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Artery-MCU
2021-12-14 13:33:09 +08:00
commit ac7004a64e
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69
utilities/at32f413_slib_demo/project_l0/iar_v8.2/AT32F413xC_slib.icf Normal file
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/*###ICF### Section handled by ICF editor, don't touch! ****/
/*-Editor annotation file-*/
/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
/*-Specials-*/
define symbol __ICFEDIT_intvec_start__ = 0x08000000;
/*-Memory Regions-*/
define symbol __ICFEDIT_region_ROM_start__ = 0x08000000;
define symbol __ICFEDIT_region_ROM_end__ = 0x0803FFFF;
/* SLIB INSTRUCTION area */
define symbol __ICFEDIT_region_SLIB_INSTRUCTION_start__ = 0x08001000;
define symbol __ICFEDIT_region_SLIB_INSTRUCTION_end__ = 0x08001FFF;
/* SLIB DATA area */
define symbol __ICFEDIT_region_SLIB_DATA_start__ = 0x08002000;
define symbol __ICFEDIT_region_SLIB_DATA_end__ = 0x08002FFF;
define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
define symbol __ICFEDIT_region_RAM_end__ = 0x20003FFF;
/* SLIB RAM region */
define symbol __ICFEDIT_region_SLIB_RAM_start__ = 0x20003000;
define symbol __ICFEDIT_region_SLIB_RAM_end__ = 0x20003FFF;
/*-Sizes-*/
define symbol __ICFEDIT_size_cstack__ = 0x1000;
define symbol __ICFEDIT_size_heap__ = 0x1000;
/**** End of ICF editor section. ###ICF###*/
define memory mem with size = 4G;
/* Reserved 0x08001000 ~ 0x08002FFF as SLIB area */
define region ROM_region = mem:[from __ICFEDIT_region_ROM_start__ to __ICFEDIT_region_ROM_end__]
-mem:[from __ICFEDIT_region_SLIB_INSTRUCTION_start__ to __ICFEDIT_region_SLIB_INSTRUCTION_end__]
-mem:[from __ICFEDIT_region_SLIB_DATA_start__ to __ICFEDIT_region_SLIB_DATA_end__] ;
define region SLIB_INSTRUCTION_region = mem:[from __ICFEDIT_region_SLIB_INSTRUCTION_start__ to __ICFEDIT_region_SLIB_INSTRUCTION_end__];
define region SLIB_DATA_region = mem:[from __ICFEDIT_region_SLIB_DATA_start__ to __ICFEDIT_region_SLIB_DATA_end__];
/* Reserved 0x20003000 ~ 0x20003FFF as RAM used for SLIB code */
define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__]
- mem:[from __ICFEDIT_region_SLIB_RAM_start__ to __ICFEDIT_region_SLIB_RAM_end__];
define region SLIB_RAM_region = mem:[from __ICFEDIT_region_SLIB_RAM_start__ to __ICFEDIT_region_SLIB_RAM_end__];
define block CSTACK with alignment = 8, size = __ICFEDIT_size_cstack__ { };
define block HEAP with alignment = 8, size = __ICFEDIT_size_heap__ { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
place in ROM_region { readonly };
/* SLIB INSTRUCTION area */
place in SLIB_INSTRUCTION_region { ro object arm_fir_f32.o,
ro object arm_fir_init_f32.o,
ro object fir_filter.o};
/* SLIB DATA area */
place in SLIB_DATA_region { ro object fir_coefficient.o };
place in RAM_region { readwrite,
block CSTACK, block HEAP };
/* Place slib used sram */
place in SLIB_RAM_region { readwrite object fir_filter.o };

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utilities/at32f413_slib_demo/project_l0/iar_v8.2/project_l0.eww Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<workspace>
<project>
<path>$WS_DIR$\project_l0.ewp</path>
</project>
<batchBuild>
<batchDefinition>
<name>all</name>
<member>
<project>project_l0</project>
<configuration>at_start_f403a</configuration>
</member>
<member>
<project>project_l0</project>
<configuration>at_start_f407</configuration>
</member>
</batchDefinition>
</batchBuild>
</workspace>

1
utilities/at32f413_slib_demo/project_l0/iar_v8.2/steering_file.txt Normal file
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show FIR_lowpass_filter

46
utilities/at32f413_slib_demo/project_l0/inc/at32f413_clock.h Normal file
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/**
**************************************************************************
* @file at32f413_clock.h
* @version v2.0.0
* @date 2021-11-26
* @brief header file of clock program
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __AT32F413_CLOCK_H
#define __AT32F413_CLOCK_H
#ifdef __cplusplus
extern "C" {
#endif
/* includes ------------------------------------------------------------------*/
#include "at32f413.h"
/* exported functions ------------------------------------------------------- */
void system_clock_config(void);
#ifdef __cplusplus
}
#endif
#endif /* __AT32F413_CLOCK_H */

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utilities/at32f413_slib_demo/project_l0/inc/at32f413_conf.h Normal file
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/**
**************************************************************************
* @file at32f413_conf.h
* @version v2.0.0
* @date 2021-11-26
* @brief at32f413 config header file
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __AT32F413_CONF_H
#define __AT32F413_CONF_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief in the following line adjust the value of high speed exernal crystal (hext)
* used in your application
*
* tip: to avoid modifying this file each time you need to use different hext, you
* can define the hext value in your toolchain compiler preprocessor.
*
*/
#if !defined HEXT_VALUE
#define HEXT_VALUE ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
#endif
/**
* @brief in the following line adjust the high speed exernal crystal (hext) startup
* timeout value
*/
#define HEXT_STARTUP_TIMEOUT ((uint16_t)0x3000) /*!< time out for hext start up */
#define HICK_VALUE ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
/* module define -------------------------------------------------------------*/
#define CRM_MODULE_ENABLED
#define TMR_MODULE_ENABLED
#define RTC_MODULE_ENABLED
#define BPR_MODULE_ENABLED
#define GPIO_MODULE_ENABLED
#define I2C_MODULE_ENABLED
#define USART_MODULE_ENABLED
#define PWC_MODULE_ENABLED
#define CAN_MODULE_ENABLED
#define ADC_MODULE_ENABLED
#define SPI_MODULE_ENABLED
#define DMA_MODULE_ENABLED
#define DEBUG_MODULE_ENABLED
#define FLASH_MODULE_ENABLED
#define CRC_MODULE_ENABLED
#define WWDT_MODULE_ENABLED
#define WDT_MODULE_ENABLED
#define EXINT_MODULE_ENABLED
#define SDIO_MODULE_ENABLED
#define USB_MODULE_ENABLED
#define ACC_MODULE_ENABLED
#define MISC_MODULE_ENABLED
/* includes ------------------------------------------------------------------*/
#ifdef CRM_MODULE_ENABLED
#include "at32f413_crm.h"
#endif
#ifdef TMR_MODULE_ENABLED
#include "at32f413_tmr.h"
#endif
#ifdef RTC_MODULE_ENABLED
#include "at32f413_rtc.h"
#endif
#ifdef BPR_MODULE_ENABLED
#include "at32f413_bpr.h"
#endif
#ifdef GPIO_MODULE_ENABLED
#include "at32f413_gpio.h"
#endif
#ifdef I2C_MODULE_ENABLED
#include "at32f413_i2c.h"
#endif
#ifdef USART_MODULE_ENABLED
#include "at32f413_usart.h"
#endif
#ifdef PWC_MODULE_ENABLED
#include "at32f413_pwc.h"
#endif
#ifdef CAN_MODULE_ENABLED
#include "at32f413_can.h"
#endif
#ifdef ADC_MODULE_ENABLED
#include "at32f413_adc.h"
#endif
#ifdef SPI_MODULE_ENABLED
#include "at32f413_spi.h"
#endif
#ifdef DMA_MODULE_ENABLED
#include "at32f413_dma.h"
#endif
#ifdef DEBUG_MODULE_ENABLED
#include "at32f413_debug.h"
#endif
#ifdef FLASH_MODULE_ENABLED
#include "at32f413_flash.h"
#endif
#ifdef CRC_MODULE_ENABLED
#include "at32f413_crc.h"
#endif
#ifdef WWDT_MODULE_ENABLED
#include "at32f413_wwdt.h"
#endif
#ifdef WDT_MODULE_ENABLED
#include "at32f413_wdt.h"
#endif
#ifdef EXINT_MODULE_ENABLED
#include "at32f413_exint.h"
#endif
#ifdef SDIO_MODULE_ENABLED
#include "at32f413_sdio.h"
#endif
#ifdef ACC_MODULE_ENABLED
#include "at32f413_acc.h"
#endif
#ifdef MISC_MODULE_ENABLED
#include "at32f413_misc.h"
#endif
#ifdef USB_MODULE_ENABLED
#include "at32f413_usb.h"
#endif
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif

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utilities/at32f413_slib_demo/project_l0/inc/at32f413_int.h Normal file
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/**
**************************************************************************
* @file at32f413_int.h
* @version v2.0.0
* @date 2021-11-26
* @brief header file of main interrupt service routines.
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __AT32F413_INT_H
#define __AT32F413_INT_H
#ifdef __cplusplus
extern "C" {
#endif
/* includes ------------------------------------------------------------------*/
#include "at32f413.h"
/* exported types ------------------------------------------------------------*/
/* exported constants --------------------------------------------------------*/
/* exported macro ------------------------------------------------------------*/
/* exported functions ------------------------------------------------------- */
void NMI_Handler(void);
void HardFault_Handler(void);
void MemManage_Handler(void);
void BusFault_Handler(void);
void UsageFault_Handler(void);
void SVC_Handler(void);
void DebugMon_Handler(void);
void PendSV_Handler(void);
void SysTick_Handler(void);
#ifdef __cplusplus
}
#endif
#endif

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utilities/at32f413_slib_demo/project_l0/inc/fir_filter.h Normal file
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/**
******************************************************************************
* File : Step1-ST_Customer_level_n/Inc/fir_filter.h
* Version: V1.3.0
* Date : 2021-03-18
* Brief : This file contains the headers of FIR filter IP-Code.
******************************************************************************
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __FIR_FILTER_H
#define __FIR_FILTER_H
/* Includes ------------------------------------------------------------------*/
#include "arm_math.h"
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
void arm_fir_init_f32(
arm_fir_instance_f32 * S,
uint16_t numTaps,
const float32_t * pCoeffs,
float32_t * pState,
uint32_t blockSize);
void arm_fir_f32(
const arm_fir_instance_f32 * S,
const float32_t * pSrc,
float32_t * pDst,
uint32_t blockSize);
void FIR_lowpass_filter(float32_t * pSrc, float32_t * pDst, uint32_t testlengthsamples);
#endif /* __FIR_FILTER_H */

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utilities/at32f413_slib_demo/project_l0/inc/math_helper.h Normal file
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/* ----------------------------------------------------------------------
* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
*
* $Date: 17. January 2013
* $Revision: V1.4.0
*
* Project: CMSIS DSP Library
*
* Title: math_helper.h
*
* Description: Prototypes of all helper functions required.
*
* Target Processor: Cortex-M4/Cortex-M3
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of ARM LIMITED nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* -------------------------------------------------------------------- */
#include "arm_math.h"
#ifndef MATH_HELPER_H
#define MATH_HELPER_H
float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize);
void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples);
void arm_provide_guard_bits_q15(q15_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
void arm_provide_guard_bits_q31(q31_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
void arm_float_to_q14(float *pIn, q15_t *pOut, uint32_t numSamples);
void arm_float_to_q29(float *pIn, q31_t *pOut, uint32_t numSamples);
void arm_float_to_q28(float *pIn, q31_t *pOut, uint32_t numSamples);
void arm_float_to_q30(float *pIn, q31_t *pOut, uint32_t numSamples);
void arm_clip_f32(float *pIn, uint32_t numSamples);
uint32_t arm_calc_guard_bits(uint32_t num_adds);
void arm_apply_guard_bits (float32_t * pIn, uint32_t numSamples, uint32_t guard_bits);
uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples);
uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t *pOut, uint32_t numSamples);
uint32_t arm_calc_2pow(uint32_t guard_bits);
#endif

4
utilities/at32f413_slib_demo/project_l0/mdk_v5/fir_filter_symbol.txt Normal file
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#<SYMDEFS># ARM Linker, 5060061: Last Updated: Tue Nov 16 11:24:41 2021
0x08001001 T FIR_lowpass_filter

424
utilities/at32f413_slib_demo/project_l0/mdk_v5/project_l0.uvoptx Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<ProjectOpt xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_optx.xsd">
<SchemaVersion>1.0</SchemaVersion>
<Header>### uVision Project, (C) Keil Software</Header>
<Extensions>
<cExt>*.c</cExt>
<aExt>*.s*; *.src; *.a*</aExt>
<oExt>*.obj; *.o</oExt>
<lExt>*.lib</lExt>
<tExt>*.txt; *.h; *.inc</tExt>
<pExt>*.plm</pExt>
<CppX>*.cpp</CppX>
<nMigrate>0</nMigrate>
</Extensions>
<DaveTm>
<dwLowDateTime>0</dwLowDateTime>
<dwHighDateTime>0</dwHighDateTime>
</DaveTm>
<Target>
<TargetName>project_l0</TargetName>
<ToolsetNumber>0x4</ToolsetNumber>
<ToolsetName>ARM-ADS</ToolsetName>
<TargetOption>
<CLKADS>12000000</CLKADS>
<OPTTT>
<gFlags>0</gFlags>
<BeepAtEnd>1</BeepAtEnd>
<RunSim>0</RunSim>
<RunTarget>1</RunTarget>
<RunAbUc>0</RunAbUc>
</OPTTT>
<OPTHX>
<HexSelection>1</HexSelection>
<FlashByte>65535</FlashByte>
<HexRangeLowAddress>0</HexRangeLowAddress>
<HexRangeHighAddress>0</HexRangeHighAddress>
<HexOffset>0</HexOffset>
</OPTHX>
<OPTLEX>
<PageWidth>79</PageWidth>
<PageLength>66</PageLength>
<TabStop>8</TabStop>
<ListingPath>.\listings\</ListingPath>
</OPTLEX>
<ListingPage>
<CreateCListing>1</CreateCListing>
<CreateAListing>1</CreateAListing>
<CreateLListing>1</CreateLListing>
<CreateIListing>0</CreateIListing>
<AsmCond>1</AsmCond>
<AsmSymb>1</AsmSymb>
<AsmXref>0</AsmXref>
<CCond>1</CCond>
<CCode>0</CCode>
<CListInc>0</CListInc>
<CSymb>0</CSymb>
<LinkerCodeListing>0</LinkerCodeListing>
</ListingPage>
<OPTXL>
<LMap>1</LMap>
<LComments>1</LComments>
<LGenerateSymbols>1</LGenerateSymbols>
<LLibSym>1</LLibSym>
<LLines>1</LLines>
<LLocSym>1</LLocSym>
<LPubSym>1</LPubSym>
<LXref>0</LXref>
<LExpSel>0</LExpSel>
</OPTXL>
<OPTFL>
<tvExp>0</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<IsCurrentTarget>1</IsCurrentTarget>
</OPTFL>
<CpuCode>0</CpuCode>
<DebugOpt>
<uSim>0</uSim>
<uTrg>1</uTrg>
<sLdApp>1</sLdApp>
<sGomain>1</sGomain>
<sRbreak>1</sRbreak>
<sRwatch>1</sRwatch>
<sRmem>1</sRmem>
<sRfunc>1</sRfunc>
<sRbox>1</sRbox>
<tLdApp>1</tLdApp>
<tGomain>1</tGomain>
<tRbreak>1</tRbreak>
<tRwatch>1</tRwatch>
<tRmem>1</tRmem>
<tRfunc>0</tRfunc>
<tRbox>1</tRbox>
<tRtrace>1</tRtrace>
<sRSysVw>1</sRSysVw>
<tRSysVw>1</tRSysVw>
<sRunDeb>0</sRunDeb>
<sLrtime>0</sLrtime>
<bEvRecOn>1</bEvRecOn>
<bSchkAxf>0</bSchkAxf>
<bTchkAxf>0</bTchkAxf>
<nTsel>0</nTsel>
<sDll></sDll>
<sDllPa></sDllPa>
<sDlgDll></sDlgDll>
<sDlgPa></sDlgPa>
<sIfile></sIfile>
<tDll></tDll>
<tDllPa></tDllPa>
<tDlgDll></tDlgDll>
<tDlgPa></tDlgPa>
<tIfile></tIfile>
<pMon>BIN\CMSIS_AGDI.dll</pMon>
</DebugOpt>
<TargetDriverDllRegistry>
<SetRegEntry>
<Number>0</Number>
<Key>UL2CM3</Key>
<Name>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0AT32F413_256 -FS08000000 -FL040000 -FP0($$Device:-AT32F413RCT7$Flash\AT32F413_256.FLM))</Name>
</SetRegEntry>
</TargetDriverDllRegistry>
<Breakpoint/>
<Tracepoint>
<THDelay>0</THDelay>
</Tracepoint>
<DebugFlag>
<trace>0</trace>
<periodic>0</periodic>
<aLwin>0</aLwin>
<aCover>0</aCover>
<aSer1>0</aSer1>
<aSer2>0</aSer2>
<aPa>0</aPa>
<viewmode>0</viewmode>
<vrSel>0</vrSel>
<aSym>0</aSym>
<aTbox>0</aTbox>
<AscS1>0</AscS1>
<AscS2>0</AscS2>
<AscS3>0</AscS3>
<aSer3>0</aSer3>
<eProf>0</eProf>
<aLa>0</aLa>
<aPa1>0</aPa1>
<AscS4>0</AscS4>
<aSer4>0</aSer4>
<StkLoc>0</StkLoc>
<TrcWin>0</TrcWin>
<newCpu>0</newCpu>
<uProt>0</uProt>
</DebugFlag>
<LintExecutable></LintExecutable>
<LintConfigFile></LintConfigFile>
<bLintAuto>0</bLintAuto>
<bAutoGenD>0</bAutoGenD>
<LntExFlags>0</LntExFlags>
<pMisraName></pMisraName>
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<pSingCmds></pSingCmds>
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utilities/at32f413_slib_demo/project_l0/mdk_v5/project_l0.uvprojx Normal file
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39
utilities/at32f413_slib_demo/project_l0/mdk_v5/slib-w-xo.sct Normal file
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@@ -0,0 +1,39 @@
; *************************************************************
; *** Scatter-Loading Description File generated by uVision ***
; *************************************************************
LR_IROM1 0x08000000 0x001000 { ; load region size_region
ER_IROM1 0x08000000 0x001000 { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
RW_IRAM1 0x20000000 0x00003000 { ; user RW data
.ANY (+RW +ZI)
}
RW_IRAM2 0x20003000 0x00001000 { ; RAM used for slib code
fir_filter.o (+RW +ZI)
}
}
LR_SLIB_INSTRUCTION 0x08001000 0x00001000 { ; slib instruction area
ER_SLIB_INSTRUCTION 0x08001000 0x00001000 { ; load address = execution address
arm_fir_init_f32.o (+XO)
arm_fir_f32.o (+XO)
fir_filter.o (+XO)
}
}
LR_SLIB_DATA 0x08002000 0x00001000 { ; sLib data area
ER_SLIB_DATA 0x08002000 0x00001000 {
fir_coefficient.o (+RO)
}
}
LR_IROM2 0x08003000 0x0003D000 { ; user code area
ER_IROM2 0x08003000 0x0003D000 { ; load address = execution address
.ANY (+RO)
}
}

89
utilities/at32f413_slib_demo/project_l0/readme.txt Normal file
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@@ -0,0 +1,89 @@
/**
**************************************************************************
* @file readme.txt
* @version v2.0.0
* @date 2021-11-26
* @brief readme
**************************************************************************
*/
this demo is based on the at-start board, in this demo(project_l0, step1 of
the slib example) describes how to generate an execute-only ip-code (using
compiler options), place and protect it (protection using slib) in some preferred
sectors in internal flash memory. the fir filter algorithm from cmsis library
is chosen as an example of ip-code to be protected. enabling slib is managed
by software in slib_enable() function.
the ip-code function fir_lowpass_filter() is called in main.c file. note that
symbol definition file have to be generated in project configuration described
below, it has to be used in customer project project_l1.
with the project configurations, the compiler is configured to generate an
execute-only ip-code avoiding any data read from it (avoiding literal pools
and branch tables).
@note the ip-code and ip-data are placed in sector 2 to sector 5 which will
be protected.
activating the slib on these sectors is completed by slib_enable() function
descripes in main file.
@note the application needs to ensure that the systick time base is always
set to 1 millisecond to have correct operation.
@par Directory contents
extra used files:
- project_l0/src/math_helper.c calculation of snr
- project_l0/src/arm_fir_data.c contains fir_filter's input signal and reference output signal computed with matlab
- project_l0/inc/fir_filter.h fir-filter slib protected ip-code header file
fir filter files representing the ip-code to be protected:
- project_l0/src/fir_filter.c file containing global fir low pass filter function
- project_l0/src/arm_fir_f32.c file containing fir filter basic function from cmsis lib
- project_l0/src/arm_fir_init_f32.c file containing fir filter initialization function from cmsis lib
- project_l0/src/fir_coefficient.c file containing fir coefficients generated using fir1() matlab function.
@par hardware and software environment
- this example runs on at-start board.
- this example has been tested with the following toolchain:
keil mdk-arm uvision v5.18.0.0
@par generating symbol definition file
generating symbol definition file is mandatory for project_l1 and the provided
file must be replaced by the newly generated. to generate symbol definition
file required for project_l1, click on rebuild all button then symbol definition
file is created.
- for mdk-arm toolchain: fir_filter_symbol.txt symbol definition file is created
in project_l0\mdk_v5\Objects. it must be modified by deleting all lines
and keeping only fir-filter ip-code functions (please follow the provided
fir_filter_symbol.txt file in project_l0\mdk_v5). once modified, copy it
to project_l1\mdk_v5 and replace the existing file.
@par how to use it ?
before running this project the following conditions must be met:
- the same toolchain and compiler version must be used for both projects in
project_l0 and project_l1: for instance if mdk-arm v5.18 is used in project_l0
then it must be used for project_l1 too.
- check if any flash access protection(FAP), erase/program protection(EPP)
or slib protection is enabled, if yes disable these protection first.
in order to make the program work, you must do the following :
configurate the compiler to generate an execute only ip-code avoiding any
data read from it (literal pools and branch tables) .
1. open project located in project_l0 directory and choose your preferred toolchain
2. select the project configuration
3. rebuild all files.
4. run the example following the sequence below:
(a) power on the board then load the code, led3 should toggle fast if not
press reset button.
(b) press the user button key to execute the ip-code called in main.c file.
(c) if macro "use_slib_function" is defined and slib is never enabled, go
to step(e).
(d) if the ip-code is successfully executed, the green led4 should toggle
continuously. else the red led2 toggles continuously.
(e) the slib_enable() function will set slib configuration once the ip-code
is correctly executed. the green led4 will turn on some time and then
a system rest is executed to activate slib. the code will run to step(b).
for details, please refer to the application note document AN0038.

139
utilities/at32f413_slib_demo/project_l0/src/arm_fir_data.c Normal file
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/* ----------------------------------------------------------------------
* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
*
* $Date: 17. January 2013
* $Revision: V1.4.0
*
* Project: CMSIS DSP Library
* Title: arm_fir_data.c
*
* Description: Data file used for example code
*
* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of ARM LIMITED nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* -------------------------------------------------------------------- */
#include "at32f413.h"
#include "arm_math.h"
/* ----------------------------------------------------------------------
** Test input signal contains 1000Hz + 15000 Hz
** ------------------------------------------------------------------- */
float32_t testInput_f32_1kHz_15kHz[320] =
{
+0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
-0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
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-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
+0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
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-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
+0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
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-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f,
-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
-0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
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+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
-0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
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-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
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+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
+0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f,
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+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
+0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f,
-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
-0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
+0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
};
/* ----------------------------------------------------------------------
** Reference output signal computed with MATLAB
** ------------------------------------------------------------------- */
float32_t refOutput[320] =
{
+0.0000000000f, -0.0010797829f, -0.0007681386f, -0.0001982932f, +0.0000644313f, +0.0020854271f, +0.0036891871f, +0.0015855941f,
-0.0026280805f, -0.0075907658f, -0.0119390538f, -0.0086665968f, +0.0088981202f, +0.0430539279f, +0.0974468742f, +0.1740405600f,
+0.2681416601f, +0.3747720089f, +0.4893362230f, +0.6024154672f, +0.7058740791f, +0.7968348987f, +0.8715901940f, +0.9277881093f,
+0.9682182661f, +0.9934674267f, +1.0012052245f, +0.9925859371f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, -0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, -0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, -0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, +0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, +0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, -0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, +0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f
};

1305
utilities/at32f413_slib_demo/project_l0/src/arm_fir_f32.c Normal file
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85
utilities/at32f413_slib_demo/project_l0/src/arm_fir_init_f32.c Normal file
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/* ----------------------------------------------------------------------
* Project: CMSIS DSP Library
* Title: arm_fir_init_f32.c
* Description: Floating-point FIR filter initialization function
*
* $Date: 18. March 2019
* $Revision: V1.6.0
*
* Target Processor: Cortex-M cores
* -------------------------------------------------------------------- */
/*
* Copyright (C) 2010-2019 ARM Limited or its affiliates. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "arm_math.h"
void* my_memset(void *s, int c, size_t n);
/**
@brief Initialization function for the floating-point FIR filter.
@param[in,out] S points to an instance of the floating-point FIR filter structure
@param[in] numTaps number of filter coefficients in the filter
@param[in] pCoeffs points to the filter coefficients buffer
@param[in] pState points to the state buffer
@param[in] blockSize number of samples processed per call
@return none
@par Details
<code>pCoeffs</code> points to the array of filter coefficients stored in time reversed order:
<pre>
{b[numTaps-1], b[numTaps-2], b[N-2], ..., b[1], b[0]}
</pre>
@par
<code>pState</code> points to the array of state variables.
<code>pState</code> is of length <code>numTaps+blockSize-1</code> samples, where <code>blockSize</code> is the number of input samples processed by each call to <code>arm_fir_f32()</code>.
@par Initialization of Helium version
For Helium version the array of coefficients must be a multiple of 16 even if less
then 16 coefficients are used. The additional coefficients must be set to 0.
It does not mean that all the coefficients will be used in the filter (numTaps
is still set to its right value in the init function.) It just means that
the implementation may require to read more coefficients due to the vectorization and
to avoid having to manage too many different cases in the code.
*/
void arm_fir_init_f32(
arm_fir_instance_f32 * S,
uint16_t numTaps,
const float32_t * pCoeffs,
float32_t * pState,
uint32_t blockSize)
{
/* Assign filter taps */
S->numTaps = numTaps;
/* Assign coefficient pointer */
S->pCoeffs = pCoeffs;
/* Clear state buffer. The size is always (blockSize + numTaps - 1) */
my_memset(pState, 0, (numTaps + (blockSize - 1u)) * sizeof(float32_t));
/* Assign state pointer */
S->pState = pState;
}
void* my_memset(void *s, int c, size_t n)
{
while (n>0)
*( (char*)s + n-- -1 ) = (char)c;
return (s);
}

96
utilities/at32f413_slib_demo/project_l0/src/at32f413_clock.c Normal file
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/**
**************************************************************************
* @file at32f413_clock.c
* @version v2.0.0
* @date 2021-11-26
* @brief system clock config program
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* includes ------------------------------------------------------------------*/
#include "at32f413_clock.h"
/**
* @brief system clock config program
* @note the system clock is configured as follow:
* - system clock = hext / 2 * pll_mult
* - system clock source = pll (hext)
* - hext = 8000000
* - sclk = 192000000
* - ahbdiv = 1
* - ahbclk = 192000000
* - apb2div = 2
* - apb2clk = 96000000
* - apb1div = 2
* - apb1clk = 96000000
* - pll_mult = 48
* - pll_range = GT72MHZ (greater than 72 mhz)
* @param none
* @retval none
*/
void system_clock_config(void)
{
/* reset crm */
crm_reset();
crm_clock_source_enable(CRM_CLOCK_SOURCE_HEXT, TRUE);
/* wait till hext is ready */
while(crm_hext_stable_wait() == ERROR)
{
}
/* config pll clock resource */
crm_pll_config(CRM_PLL_SOURCE_HEXT_DIV, CRM_PLL_MULT_48, CRM_PLL_OUTPUT_RANGE_GT72MHZ);
/* enable pll */
crm_clock_source_enable(CRM_CLOCK_SOURCE_PLL, TRUE);
/* wait till pll is ready */
while(crm_flag_get(CRM_PLL_STABLE_FLAG) != SET)
{
}
/* config ahbclk */
crm_ahb_div_set(CRM_AHB_DIV_1);
/* config apb2clk */
crm_apb2_div_set(CRM_APB2_DIV_2);
/* config apb1clk */
crm_apb1_div_set(CRM_APB1_DIV_2);
/* enable auto step mode */
crm_auto_step_mode_enable(TRUE);
/* select pll as system clock source */
crm_sysclk_switch(CRM_SCLK_PLL);
/* wait till pll is used as system clock source */
while(crm_sysclk_switch_status_get() != CRM_SCLK_PLL)
{
}
/* disable auto step mode */
crm_auto_step_mode_enable(FALSE);
/* update system_core_clock global variable */
system_core_clock_update();
}

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/**
**************************************************************************
* @file at32f413_int.c
* @version v2.0.0
* @date 2021-11-26
* @brief main interrupt service routines.
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* includes ------------------------------------------------------------------*/
#include "at32f413_int.h"
#include "at32f413_board.h"
/** @addtogroup UTILITIES_examples
* @{
*/
/** @addtogroup SLIB_project_l0
* @{
*/
/**
* @brief this function handles nmi exception.
* @param none
* @retval none
*/
void NMI_Handler(void)
{
}
/**
* @brief this function handles hard fault exception.
* @param none
* @retval none
*/
void HardFault_Handler(void)
{
/* go to infinite loop when hard fault exception occurs */
while (1)
{
}
}
/**
* @brief this function handles memory manage exception.
* @param none
* @retval none
*/
void MemManage_Handler(void)
{
/* go to infinite loop when memory manage exception occurs */
while (1)
{
}
}
/**
* @brief this function handles bus fault exception.
* @param none
* @retval none
*/
void BusFault_Handler(void)
{
/* go to infinite loop when bus fault exception occurs */
while (1)
{
}
}
/**
* @brief this function handles usage fault exception.
* @param none
* @retval none
*/
void UsageFault_Handler(void)
{
/* go to infinite loop when usage fault exception occurs */
while (1)
{
}
}
/**
* @brief this function handles svcall exception.
* @param none
* @retval none
*/
void SVC_Handler(void)
{
}
/**
* @brief this function handles debug monitor exception.
* @param none
* @retval none
*/
void DebugMon_Handler(void)
{
}
/**
* @brief this function handles pendsv_handler exception.
* @param none
* @retval none
*/
void PendSV_Handler(void)
{
}
/**
* @brief this function handles systick handler.
* @param none
* @retval none
*/
void SysTick_Handler(void)
{
}
/**
* @brief flash handler.
* @param none
* @retval none
*/
void FLASH_IRQHandler(void)
{
if(flash_flag_get(FLASH_EPPERR_FLAG))
{
flash_flag_clear(FLASH_EPPERR_FLAG);
delay_ms(500);
}
}
/**
* @}
*/
/**
* @}
*/

68
utilities/at32f413_slib_demo/project_l0/src/fir_coefficient.c Normal file
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/* ----------------------------------------------------------------------
* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
*
* $Date: 17. January 2013
* $Revision: V1.4.0
*
* Project: CMSIS DSP Library
* Title: arm_fir_example_f32.c
*
* Description: Example code demonstrating how an FIR filter can be used
* as a low pass filter.
*
* Target Processor: Cortex-M4/Cortex-M3
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of ARM LIMITED nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* -------------------------------------------------------------------- */
/* ----------------------------------------------------------------------
** Include Files
** ------------------------------------------------------------------- */
#include "at32f413.h"
#include "arm_math.h"
#include "fir_filter.h"
/* ----------------------------------------------------------------------
** Macro Defines
** ------------------------------------------------------------------- */
#define NUM_TAPS 29
/* ----------------------------------------------------------------------
** FIR Coefficients buffer generated using fir1() MATLAB function.
** fir1(28, 6/24)
** ------------------------------------------------------------------- */
//#if defined ( __ICCARM__ )
//const float32_t firCoeffs32[NUM_TAPS] @ 0x08002000 ={
//#elif defined ( __CC_ARM )
//const float32_t firCoeffs32[NUM_TAPS] __attribute__((at(0x08002000))) = {
//#endif
const float32_t firCoeffs32[NUM_TAPS] = {
-0.0018225230f, -0.0015879294f, +0.0000000000f, +0.0036977508f, +0.0080754303f, +0.0085302217f, -0.0000000000f, -0.0173976984f,
-0.0341458607f, -0.0333591565f, +0.0000000000f, +0.0676308395f, +0.1522061835f, +0.2229246956f, +0.2504960933f, +0.2229246956f,
+0.1522061835f, +0.0676308395f, +0.0000000000f, -0.0333591565f, -0.0341458607f, -0.0173976984f, -0.0000000000f, +0.0085302217f,
+0.0080754303f, +0.0036977508f, +0.0000000000f, -0.0015879294f, -0.0018225230f
};

94
utilities/at32f413_slib_demo/project_l0/src/fir_filter.c Normal file
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/* ----------------------------------------------------------------------
* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
*
* $Date: 17. January 2013
* $Revision: V1.4.0
*
* Project: CMSIS DSP Library
* Title: arm_fir_example_f32.c
*
* Description: Example code demonstrating how an FIR filter can be used
* as a low pass filter.
*
* Target Processor: Cortex-M4/Cortex-M3
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of ARM LIMITED nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* -------------------------------------------------------------------- */
/* ----------------------------------------------------------------------
** Include Files
** ------------------------------------------------------------------- */
#include "at32f413.h"
#include "arm_math.h"
#include "fir_filter.h"
extern const float32_t firCoeffs32[];
/* ----------------------------------------------------------------------
** Macro Defines
** ------------------------------------------------------------------- */
#define BLOCK_SIZE 32
#define NUM_TAPS 29
/* -------------------------------------------------------------------
* Declare State buffer of size (numTaps + blockSize - 1)
* ------------------------------------------------------------------- */
//#if defined ( __ICCARM__ )
//static float32_t firStateF32[BLOCK_SIZE + NUM_TAPS - 1] @ 0x20017000 ;
//#elif defined ( __CC_ARM )
//static float32_t firStateF32[BLOCK_SIZE + NUM_TAPS - 1] __attribute__((at(0x20017000)));
//#endif
static float32_t firStateF32[BLOCK_SIZE + NUM_TAPS - 1] ;
/* ----------------------------------------------------------------------
** FIR Coefficients buffer generated using fir1() MATLAB function.
** fir1(28, 6/24)
** ------------------------------------------------------------------- */
/* ----------------------------------------------------------------------
* FIR LPF Example
* ------------------------------------------------------------------- */
void FIR_lowpass_filter(float32_t * pSrc, float32_t * pDst, uint32_t testlengthsamples)
{
uint32_t i;
uint32_t blockSize = BLOCK_SIZE;
uint32_t numBlocks = testlengthsamples/BLOCK_SIZE;
arm_fir_instance_f32 S;
/* Call FIR init function to initialize the instance structure. */
arm_fir_init_f32(&S, NUM_TAPS, (float32_t *)&firCoeffs32[0], &firStateF32[0], blockSize);
/* ----------------------------------------------------------------------
** Call the FIR process function for every blockSize samples
** ------------------------------------------------------------------- */
for(i=0; i < numBlocks; i++)
{
arm_fir_f32(&S, pSrc + (i * blockSize), pDst + (i * blockSize), blockSize);
}
}

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/**
**************************************************************************
* @file main.c
* @version v2.0.0
* @date 2021-11-26
* @brief main program
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
#include "at32f413_board.h"
#include "at32f413_clock.h"
#include <stdio.h>
#include "math_helper.h"
#include "fir_filter.h"
extern float32_t testInput_f32_1kHz_15kHz[];
extern float32_t refOutput[];
/** @addtogroup UTILITIES_examples
* @{
*/
/** @addtogroup SLIB_project_l0
* @{
*/
#define USE_SLIB_FUNCTION /* define it when user want to activate slib in this project */
#if defined (USE_SLIB_FUNCTION)
#define FLASH_START_ADDR 0x08000000
#define TEST_SLIB_PSW 0x55665566
#define SLIB_START_ADDR 0x08001000
#define SLIB_DATA_ADDR 0x08002000
#define SLIB_END_ADDR 0x08002800
#define FLASH_SECTOR_SIZE 0x800
#define SECTOR_NUM(dwAddr) ((dwAddr & (FLASH_START_ADDR - 1)) / FLASH_SECTOR_SIZE)
#define SECTOR_WORD_CNT (FLASH_SECTOR_SIZE >> 2) /* words per sector */
#endif
#define SNR_THRESHOLD_F32 140.0f
#define TEST_LENGTH_SAMPLES 320
#if defined (USE_SLIB_FUNCTION)
uint32_t dw_start_sector, dw_data_start_sector, dw_end_sector;
uint32_t temp_buf[512]; /* 2kb buffer */
#endif
static float32_t testOutput[TEST_LENGTH_SAMPLES];
#if defined (USE_SLIB_FUNCTION)
flash_status_type slib_enable(void);
#endif
void config_flash_interrupt(void);
/**
* @brief config flash error interrupt.
* @param none
* @retval flash status
*/
void config_flash_interrupt(void)
{
flash_unlock();
flash_interrupt_enable(FLASH_ERR_INT, TRUE);
flash_lock();
/* config nvic priority group */
nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);
nvic_irq_enable(FLASH_IRQn, 0, 0);
}
#if defined (USE_SLIB_FUNCTION)
/**
* @brief config slib enable and program slib area.
* @param none
* @retval flash status
*/
flash_status_type slib_enable(void)
{
uint32_t *ptr;
uint32_t i, j;
flash_status_type status = FLASH_OPERATE_DONE;
ptr = (uint32_t *)SLIB_START_ADDR;
dw_start_sector = SECTOR_NUM(SLIB_START_ADDR); /* slib start sector */
dw_data_start_sector = SECTOR_NUM(SLIB_DATA_ADDR); /* slib data sector */
dw_end_sector = SECTOR_NUM(SLIB_END_ADDR); /* slib end sector */
flash_unlock();
status = flash_slib_enable(TEST_SLIB_PSW, dw_start_sector, dw_data_start_sector, dw_end_sector);
if(status != FLASH_OPERATE_DONE)
return status;
for(i = 0; i <= (dw_end_sector - dw_start_sector); i++)
{
memcpy(temp_buf, ptr, FLASH_SECTOR_SIZE);
status = flash_sector_erase(SLIB_START_ADDR + i * FLASH_SECTOR_SIZE);
if(status != FLASH_OPERATE_DONE)
return status;
for(j = 0; j < (FLASH_SECTOR_SIZE >> 2); j++)
{
status = flash_word_program(SLIB_START_ADDR + i * FLASH_SECTOR_SIZE + (j << 2), temp_buf[j]);
if(status != FLASH_OPERATE_DONE)
return status;
}
ptr += SECTOR_WORD_CNT;
}
return status;
}
#endif
/**
* @brief main function.
* @param none
* @retval none
*/
int main(void)
{
arm_status status;
float32_t *inputf32, *outputf32, snr;
system_clock_config();
at32_board_init();
/* initialize input and output buffer pointers */
inputf32 = &testInput_f32_1kHz_15kHz[0];
outputf32 = &testOutput[0];
/* configure flash to generate an interrupt when a write protect error occur */
config_flash_interrupt();
/* wait for key button to be pushed, then turn off led3 */
while(at32_button_press() == NO_BUTTON)
{
at32_led_toggle(LED3);
delay_ms(100);
}
at32_led_off(LED3);
/* call the fir low pass filter function */
FIR_lowpass_filter(inputf32, outputf32, TEST_LENGTH_SAMPLES);
/* compare the generated output against the reference output computed in matlab. */
snr = arm_snr_f32(&refOutput[0], &testOutput[0], TEST_LENGTH_SAMPLES);
if(snr < SNR_THRESHOLD_F32)
{
status = ARM_MATH_TEST_FAILURE;
}
else
{
status = ARM_MATH_SUCCESS;
#if defined (USE_SLIB_FUNCTION)
/* enable slib protection from sector 2 to sector 5 when fir filter ip-code is tested ok */
if(flash_slib_state_get() == RESET)
{
/* if slib has not been enabled, set slib configuration */
if(slib_enable() == FLASH_OPERATE_DONE)
{
/* if slib configuration is correctly set, tuen on green led4 */
at32_led_on(LED4);
delay_sec(3);
/* execute system reset to activate slib protection */
nvic_system_reset();
}
else
{
/* turn on red led2 if slib activation failed */
at32_led_on(LED2);
while(1);
}
}
#endif
}
/* infinite loop */
while(1)
{
if(status == ARM_MATH_TEST_FAILURE)
{
/* toggle red led2 if fir function failed */
at32_led_toggle(LED2);
delay_ms(500);
}
else
{
/* toggle green led4 if fir function success */
at32_led_toggle(LED4);
delay_ms(500);
}
}
}
/**
* @}
*/
/**
* @}
*/

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/* ----------------------------------------------------------------------
* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
*
* $Date: 17. January 2013
* $Revision: V1.4.0 b
*
* Project: CMSIS DSP Library
*
* Title: math_helper.c
*
* Description: Definition of all helper functions required.
*
* Target Processor: Cortex-M4/Cortex-M3
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of ARM LIMITED nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* -------------------------------------------------------------------- */
/* ----------------------------------------------------------------------
* Include standard header files
* -------------------------------------------------------------------- */
#include<math.h>
/* ----------------------------------------------------------------------
* Include project header files
* -------------------------------------------------------------------- */
#include "math_helper.h"
/**
* @brief Caluclation of SNR
* @param[in] pRef Pointer to the reference buffer
* @param[in] pTest Pointer to the test buffer
* @param[in] buffSize total number of samples
* @return SNR
* The function Caluclates signal to noise ratio for the reference output
* and test output
*/
float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize)
{
float EnergySignal = 0.0, EnergyError = 0.0;
uint32_t i;
float SNR;
int temp;
int *test;
for (i = 0; i < buffSize; i++)
{
/* Checking for a NAN value in pRef array */
test = (int *)(&pRef[i]);
temp = *test;
if (temp == 0x7FC00000)
{
return(0);
}
/* Checking for a NAN value in pTest array */
test = (int *)(&pTest[i]);
temp = *test;
if (temp == 0x7FC00000)
{
return(0);
}
EnergySignal += pRef[i] * pRef[i];
EnergyError += (pRef[i] - pTest[i]) * (pRef[i] - pTest[i]);
}
/* Checking for a NAN value in EnergyError */
test = (int *)(&EnergyError);
temp = *test;
if (temp == 0x7FC00000)
{
return(0);
}
SNR = 10 * log10 (EnergySignal / EnergyError);
return (SNR);
}
/**
* @brief Provide guard bits for Input buffer
* @param[in,out] input_buf Pointer to input buffer
* @param[in] blockSize block Size
* @param[in] guard_bits guard bits
* @return none
* The function Provides the guard bits for the buffer
* to avoid overflow
*/
void arm_provide_guard_bits_q15 (q15_t * input_buf, uint32_t blockSize,
uint32_t guard_bits)
{
uint32_t i;
for (i = 0; i < blockSize; i++)
{
input_buf[i] = input_buf[i] >> guard_bits;
}
}
/**
* @brief Converts float to fixed in q12.20 format
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to outputbuffer
* @param[in] numSamples number of samples in the input buffer
* @return none
* The function converts floating point values to fixed point(q12.20) values
*/
void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 1048576.0f corresponds to pow(2, 20) */
pOut[i] = (q31_t) (pIn[i] * 1048576.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 1.0)
{
pOut[i] = 0x000FFFFF;
}
}
}
/**
* @brief Compare MATLAB Reference Output and ARM Test output
* @param[in] pIn Pointer to Ref buffer
* @param[in] pOut Pointer to Test buffer
* @param[in] numSamples number of samples in the buffer
* @return maximum difference
*/
uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t *pOut, uint32_t numSamples)
{
uint32_t i;
int32_t diff, diffCrnt = 0;
uint32_t maxDiff = 0;
for (i = 0; i < numSamples; i++)
{
diff = pIn[i] - pOut[i];
diffCrnt = (diff > 0) ? diff : -diff;
if (diffCrnt > maxDiff)
{
maxDiff = diffCrnt;
}
}
return(maxDiff);
}
/**
* @brief Compare MATLAB Reference Output and ARM Test output
* @param[in] pIn Pointer to Ref buffer
* @param[in] pOut Pointer to Test buffer
* @param[in] numSamples number of samples in the buffer
* @return maximum difference
*/
uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t * pOut, uint32_t numSamples)
{
uint32_t i;
int32_t diff, diffCrnt = 0;
uint32_t maxDiff = 0;
for (i = 0; i < numSamples; i++)
{
diff = pIn[i] - pOut[i];
diffCrnt = (diff > 0) ? diff : -diff;
if (diffCrnt > maxDiff)
{
maxDiff = diffCrnt;
}
}
return(maxDiff);
}
/**
* @brief Provide guard bits for Input buffer
* @param[in,out] input_buf Pointer to input buffer
* @param[in] blockSize block Size
* @param[in] guard_bits guard bits
* @return none
* The function Provides the guard bits for the buffer
* to avoid overflow
*/
void arm_provide_guard_bits_q31 (q31_t * input_buf,
uint32_t blockSize,
uint32_t guard_bits)
{
uint32_t i;
for (i = 0; i < blockSize; i++)
{
input_buf[i] = input_buf[i] >> guard_bits;
}
}
/**
* @brief Provide guard bits for Input buffer
* @param[in,out] input_buf Pointer to input buffer
* @param[in] blockSize block Size
* @param[in] guard_bits guard bits
* @return none
* The function Provides the guard bits for the buffer
* to avoid overflow
*/
void arm_provide_guard_bits_q7 (q7_t * input_buf,
uint32_t blockSize,
uint32_t guard_bits)
{
uint32_t i;
for (i = 0; i < blockSize; i++)
{
input_buf[i] = input_buf[i] >> guard_bits;
}
}
/**
* @brief Caluclates number of guard bits
* @param[in] num_adds number of additions
* @return guard bits
* The function Caluclates the number of guard bits
* depending on the numtaps
*/
uint32_t arm_calc_guard_bits (uint32_t num_adds)
{
uint32_t i = 1, j = 0;
if (num_adds == 1)
{
return (0);
}
while (i < num_adds)
{
i = i * 2;
j++;
}
return (j);
}
/**
* @brief Apply guard bits to buffer
* @param[in,out] pIn pointer to input buffer
* @param[in] numSamples number of samples in the input buffer
* @param[in] guard_bits guard bits
* @return none
*/
void arm_apply_guard_bits (float32_t *pIn,
uint32_t numSamples,
uint32_t guard_bits)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
pIn[i] = pIn[i] * arm_calc_2pow(guard_bits);
}
}
/**
* @brief Calculates pow(2, numShifts)
* @param[in] numShifts number of shifts
* @return pow(2, numShifts)
*/
uint32_t arm_calc_2pow(uint32_t numShifts)
{
uint32_t i, val = 1;
for (i = 0; i < numShifts; i++)
{
val = val * 2;
}
return(val);
}
/**
* @brief Converts float to fixed q14
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to output buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_float_to_q14 (float *pIn, q15_t *pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 16384.0f corresponds to pow(2, 14) */
pOut[i] = (q15_t) (pIn[i] * 16384.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 2.0)
{
pOut[i] = 0x7FFF;
}
}
}
/**
* @brief Converts float to fixed q30 format
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to output buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_float_to_q30 (float *pIn, q31_t * pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 1073741824.0f corresponds to pow(2, 30) */
pOut[i] = (q31_t) (pIn[i] * 1073741824.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 2.0)
{
pOut[i] = 0x7FFFFFFF;
}
}
}
/**
* @brief Converts float to fixed q30 format
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to output buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_float_to_q29 (float *pIn, q31_t *pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 1073741824.0f corresponds to pow(2, 30) */
pOut[i] = (q31_t) (pIn[i] * 536870912.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 4.0)
{
pOut[i] = 0x7FFFFFFF;
}
}
}
/**
* @brief Converts float to fixed q28 format
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to output buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_float_to_q28 (float *pIn, q31_t *pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 268435456.0f corresponds to pow(2, 28) */
pOut[i] = (q31_t) (pIn[i] * 268435456.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 8.0)
{
pOut[i] = 0x7FFFFFFF;
}
}
}
/**
* @brief Clip the float values to +/- 1
* @param[in,out] pIn input buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_clip_f32 (float *pIn, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
if (pIn[i] > 1.0f)
{
pIn[i] = 1.0;
}
else if ( pIn[i] < -1.0f)
{
pIn[i] = -1.0;
}
}
}

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/*###ICF### Section handled by ICF editor, don't touch! ****/
/*-Editor annotation file-*/
/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
/*-Specials-*/
define symbol __ICFEDIT_intvec_start__ = 0x08000000;
/*-Memory Regions-*/
define symbol __ICFEDIT_region_ROM_start__ = 0x08000000;
define symbol __ICFEDIT_region_ROM_end__ = 0x0803FFFF;
/* SLIB area */
define symbol __ICFEDIT_region_SLIB_start__ = 0x08001000;
define symbol __ICFEDIT_region_SLIB_end__ = 0x08002FFF;
define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
define symbol __ICFEDIT_region_RAM_end__ = 0x20003FFF;
/* SLIB RAM region */
define symbol __ICFEDIT_region_SLIB_RAM_start__ = 0x20003000;
define symbol __ICFEDIT_region_SLIB_RAM_end__ = 0x20003FFF;
/*-Sizes-*/
define symbol __ICFEDIT_size_cstack__ = 0x1000;
define symbol __ICFEDIT_size_heap__ = 0x1000;
/**** End of ICF editor section. ###ICF###*/
define memory mem with size = 4G;
/* Reserved SLIB area */
define region ROM_region = mem:[from __ICFEDIT_region_ROM_start__ to __ICFEDIT_region_ROM_end__]
-mem:[from __ICFEDIT_region_SLIB_start__ to __ICFEDIT_region_SLIB_end__];
define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__]
- mem:[from __ICFEDIT_region_SLIB_RAM_start__ to __ICFEDIT_region_SLIB_RAM_end__];
define block CSTACK with alignment = 8, size = __ICFEDIT_size_cstack__ { };
define block HEAP with alignment = 8, size = __ICFEDIT_size_heap__ { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
block CSTACK, block HEAP };

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<?xml version="1.0" encoding="UTF-8"?>
<workspace>
<project>
<path>$WS_DIR$\project_l1.ewp</path>
</project>
<batchBuild>
<batchDefinition>
<name>all</name>
<member>
<project>project_l1</project>
<configuration>at_start_f403a</configuration>
</member>
<member>
<project>project_l1</project>
<configuration>at_start_f407</configuration>
</member>
</batchDefinition>
</batchBuild>
</workspace>

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/**
**************************************************************************
* @file at32f413_clock.h
* @version v2.0.0
* @date 2021-11-26
* @brief header file of clock program
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __AT32F413_CLOCK_H
#define __AT32F413_CLOCK_H
#ifdef __cplusplus
extern "C" {
#endif
/* includes ------------------------------------------------------------------*/
#include "at32f413.h"
/* exported functions ------------------------------------------------------- */
void system_clock_config(void);
#ifdef __cplusplus
}
#endif
#endif /* __AT32F413_CLOCK_H */

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/**
**************************************************************************
* @file at32f413_conf.h
* @version v2.0.0
* @date 2021-11-26
* @brief at32f413 config header file
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __AT32F413_CONF_H
#define __AT32F413_CONF_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief in the following line adjust the value of high speed exernal crystal (hext)
* used in your application
*
* tip: to avoid modifying this file each time you need to use different hext, you
* can define the hext value in your toolchain compiler preprocessor.
*
*/
#if !defined HEXT_VALUE
#define HEXT_VALUE ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
#endif
/**
* @brief in the following line adjust the high speed exernal crystal (hext) startup
* timeout value
*/
#define HEXT_STARTUP_TIMEOUT ((uint16_t)0x3000) /*!< time out for hext start up */
#define HICK_VALUE ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
/* module define -------------------------------------------------------------*/
#define CRM_MODULE_ENABLED
#define TMR_MODULE_ENABLED
#define RTC_MODULE_ENABLED
#define BPR_MODULE_ENABLED
#define GPIO_MODULE_ENABLED
#define I2C_MODULE_ENABLED
#define USART_MODULE_ENABLED
#define PWC_MODULE_ENABLED
#define CAN_MODULE_ENABLED
#define ADC_MODULE_ENABLED
#define SPI_MODULE_ENABLED
#define DMA_MODULE_ENABLED
#define DEBUG_MODULE_ENABLED
#define FLASH_MODULE_ENABLED
#define CRC_MODULE_ENABLED
#define WWDT_MODULE_ENABLED
#define WDT_MODULE_ENABLED
#define EXINT_MODULE_ENABLED
#define SDIO_MODULE_ENABLED
#define USB_MODULE_ENABLED
#define ACC_MODULE_ENABLED
#define MISC_MODULE_ENABLED
/* includes ------------------------------------------------------------------*/
#ifdef CRM_MODULE_ENABLED
#include "at32f413_crm.h"
#endif
#ifdef TMR_MODULE_ENABLED
#include "at32f413_tmr.h"
#endif
#ifdef RTC_MODULE_ENABLED
#include "at32f413_rtc.h"
#endif
#ifdef BPR_MODULE_ENABLED
#include "at32f413_bpr.h"
#endif
#ifdef GPIO_MODULE_ENABLED
#include "at32f413_gpio.h"
#endif
#ifdef I2C_MODULE_ENABLED
#include "at32f413_i2c.h"
#endif
#ifdef USART_MODULE_ENABLED
#include "at32f413_usart.h"
#endif
#ifdef PWC_MODULE_ENABLED
#include "at32f413_pwc.h"
#endif
#ifdef CAN_MODULE_ENABLED
#include "at32f413_can.h"
#endif
#ifdef ADC_MODULE_ENABLED
#include "at32f413_adc.h"
#endif
#ifdef SPI_MODULE_ENABLED
#include "at32f413_spi.h"
#endif
#ifdef DMA_MODULE_ENABLED
#include "at32f413_dma.h"
#endif
#ifdef DEBUG_MODULE_ENABLED
#include "at32f413_debug.h"
#endif
#ifdef FLASH_MODULE_ENABLED
#include "at32f413_flash.h"
#endif
#ifdef CRC_MODULE_ENABLED
#include "at32f413_crc.h"
#endif
#ifdef WWDT_MODULE_ENABLED
#include "at32f413_wwdt.h"
#endif
#ifdef WDT_MODULE_ENABLED
#include "at32f413_wdt.h"
#endif
#ifdef EXINT_MODULE_ENABLED
#include "at32f413_exint.h"
#endif
#ifdef SDIO_MODULE_ENABLED
#include "at32f413_sdio.h"
#endif
#ifdef ACC_MODULE_ENABLED
#include "at32f413_acc.h"
#endif
#ifdef MISC_MODULE_ENABLED
#include "at32f413_misc.h"
#endif
#ifdef USB_MODULE_ENABLED
#include "at32f413_usb.h"
#endif
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif

58
utilities/at32f413_slib_demo/project_l1/inc/at32f413_int.h Normal file
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/**
**************************************************************************
* @file at32f413_int.h
* @version v2.0.0
* @date 2021-11-26
* @brief header file of main interrupt service routines.
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __AT32F413_INT_H
#define __AT32F413_INT_H
#ifdef __cplusplus
extern "C" {
#endif
/* includes ------------------------------------------------------------------*/
#include "at32f413.h"
/* exported types ------------------------------------------------------------*/
/* exported constants --------------------------------------------------------*/
/* exported macro ------------------------------------------------------------*/
/* exported functions ------------------------------------------------------- */
void NMI_Handler(void);
void HardFault_Handler(void);
void MemManage_Handler(void);
void BusFault_Handler(void);
void UsageFault_Handler(void);
void SVC_Handler(void);
void DebugMon_Handler(void);
void PendSV_Handler(void);
void SysTick_Handler(void);
#ifdef __cplusplus
}
#endif
#endif

59
utilities/at32f413_slib_demo/project_l1/inc/fir_filter.h Normal file
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/**
******************************************************************************
* File : Step1-ST_Customer_level_n/Inc/fir_filter.h
* Version: V1.3.0
* Date : 2021-03-18
* Brief : This file contains the headers of FIR filter IP-Code.
******************************************************************************
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __FIR_FILTER_H
#define __FIR_FILTER_H
/* Includes ------------------------------------------------------------------*/
#include "arm_math.h"
/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
void arm_fir_init_f32(
arm_fir_instance_f32 * S,
uint16_t numTaps,
const float32_t * pCoeffs,
float32_t * pState,
uint32_t blockSize);
void arm_fir_f32(
const arm_fir_instance_f32 * S,
const float32_t * pSrc,
float32_t * pDst,
uint32_t blockSize);
void FIR_lowpass_filter(float32_t * pSrc, float32_t * pDst, uint32_t testlengthsamples);
#endif /* __FIR_FILTER_H */

63
utilities/at32f413_slib_demo/project_l1/inc/math_helper.h Normal file
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/* ----------------------------------------------------------------------
* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
*
* $Date: 17. January 2013
* $Revision: V1.4.0
*
* Project: CMSIS DSP Library
*
* Title: math_helper.h
*
* Description: Prototypes of all helper functions required.
*
* Target Processor: Cortex-M4/Cortex-M3
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of ARM LIMITED nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* -------------------------------------------------------------------- */
#include "arm_math.h"
#ifndef MATH_HELPER_H
#define MATH_HELPER_H
float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize);
void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples);
void arm_provide_guard_bits_q15(q15_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
void arm_provide_guard_bits_q31(q31_t *input_buf, uint32_t blockSize, uint32_t guard_bits);
void arm_float_to_q14(float *pIn, q15_t *pOut, uint32_t numSamples);
void arm_float_to_q29(float *pIn, q31_t *pOut, uint32_t numSamples);
void arm_float_to_q28(float *pIn, q31_t *pOut, uint32_t numSamples);
void arm_float_to_q30(float *pIn, q31_t *pOut, uint32_t numSamples);
void arm_clip_f32(float *pIn, uint32_t numSamples);
uint32_t arm_calc_guard_bits(uint32_t num_adds);
void arm_apply_guard_bits (float32_t * pIn, uint32_t numSamples, uint32_t guard_bits);
uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t * pOut, uint32_t numSamples);
uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t *pOut, uint32_t numSamples);
uint32_t arm_calc_2pow(uint32_t guard_bits);
#endif

28
utilities/at32f413_slib_demo/project_l1/mdk_v5/end_user_code.sct Normal file
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@@ -0,0 +1,28 @@
; *************************************************************
; *** Scatter-Loading Description File generated by uVision ***
; *************************************************************
LR_IROM1 0x08000000 0x00001000 { ; load region size_region
ER_IROM1 0x08000000 0x00001000 { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
RW_IRAM1 0x20000000 0x00003000 { ; RW data
.ANY (+RW +ZI)
}
; 0x20003000 ~ 0x20003FFF RAM reserved for SLIB code
}
; 0x08001000 ~ 0x08002FFF is SLIB area
LR_IROM2 0x08003000 0x0003D000 { ; load region size_region
ER_IROM2 0x08003000 0x0003D000 { ; load address = execution address
.ANY (+RO)
}
}

4
utilities/at32f413_slib_demo/project_l1/mdk_v5/fir_filter_symbol.txt Normal file
View File

@@ -0,0 +1,4 @@
#<SYMDEFS># ARM Linker, 5060061: Last Updated: Tue Nov 16 11:24:41 2021
0x08001001 T FIR_lowpass_filter

388
utilities/at32f413_slib_demo/project_l1/mdk_v5/project_l1.uvoptx Normal file
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@@ -0,0 +1,388 @@
<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<ProjectOpt xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="project_optx.xsd">
<SchemaVersion>1.0</SchemaVersion>
<Header>### uVision Project, (C) Keil Software</Header>
<Extensions>
<cExt>*.c</cExt>
<aExt>*.s*; *.src; *.a*</aExt>
<oExt>*.obj; *.o</oExt>
<lExt>*.lib</lExt>
<tExt>*.txt; *.h; *.inc</tExt>
<pExt>*.plm</pExt>
<CppX>*.cpp</CppX>
<nMigrate>0</nMigrate>
</Extensions>
<DaveTm>
<dwLowDateTime>0</dwLowDateTime>
<dwHighDateTime>0</dwHighDateTime>
</DaveTm>
<Target>
<TargetName>project_l1</TargetName>
<ToolsetNumber>0x4</ToolsetNumber>
<ToolsetName>ARM-ADS</ToolsetName>
<TargetOption>
<CLKADS>12000000</CLKADS>
<OPTTT>
<gFlags>0</gFlags>
<BeepAtEnd>1</BeepAtEnd>
<RunSim>0</RunSim>
<RunTarget>1</RunTarget>
<RunAbUc>0</RunAbUc>
</OPTTT>
<OPTHX>
<HexSelection>1</HexSelection>
<FlashByte>65535</FlashByte>
<HexRangeLowAddress>0</HexRangeLowAddress>
<HexRangeHighAddress>0</HexRangeHighAddress>
<HexOffset>0</HexOffset>
</OPTHX>
<OPTLEX>
<PageWidth>79</PageWidth>
<PageLength>66</PageLength>
<TabStop>8</TabStop>
<ListingPath>.\listings\</ListingPath>
</OPTLEX>
<ListingPage>
<CreateCListing>1</CreateCListing>
<CreateAListing>1</CreateAListing>
<CreateLListing>1</CreateLListing>
<CreateIListing>0</CreateIListing>
<AsmCond>1</AsmCond>
<AsmSymb>1</AsmSymb>
<AsmXref>0</AsmXref>
<CCond>1</CCond>
<CCode>0</CCode>
<CListInc>0</CListInc>
<CSymb>0</CSymb>
<LinkerCodeListing>0</LinkerCodeListing>
</ListingPage>
<OPTXL>
<LMap>1</LMap>
<LComments>1</LComments>
<LGenerateSymbols>1</LGenerateSymbols>
<LLibSym>1</LLibSym>
<LLines>1</LLines>
<LLocSym>1</LLocSym>
<LPubSym>1</LPubSym>
<LXref>0</LXref>
<LExpSel>0</LExpSel>
</OPTXL>
<OPTFL>
<tvExp>0</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<IsCurrentTarget>1</IsCurrentTarget>
</OPTFL>
<CpuCode>0</CpuCode>
<DebugOpt>
<uSim>0</uSim>
<uTrg>1</uTrg>
<sLdApp>1</sLdApp>
<sGomain>1</sGomain>
<sRbreak>1</sRbreak>
<sRwatch>1</sRwatch>
<sRmem>1</sRmem>
<sRfunc>1</sRfunc>
<sRbox>1</sRbox>
<tLdApp>1</tLdApp>
<tGomain>1</tGomain>
<tRbreak>1</tRbreak>
<tRwatch>1</tRwatch>
<tRmem>1</tRmem>
<tRfunc>0</tRfunc>
<tRbox>1</tRbox>
<tRtrace>1</tRtrace>
<sRSysVw>1</sRSysVw>
<tRSysVw>1</tRSysVw>
<sRunDeb>0</sRunDeb>
<sLrtime>0</sLrtime>
<bEvRecOn>1</bEvRecOn>
<bSchkAxf>0</bSchkAxf>
<bTchkAxf>0</bTchkAxf>
<nTsel>0</nTsel>
<sDll></sDll>
<sDllPa></sDllPa>
<sDlgDll></sDlgDll>
<sDlgPa></sDlgPa>
<sIfile></sIfile>
<tDll></tDll>
<tDllPa></tDllPa>
<tDlgDll></tDlgDll>
<tDlgPa></tDlgPa>
<tIfile></tIfile>
<pMon>BIN\CMSIS_AGDI.dll</pMon>
</DebugOpt>
<TargetDriverDllRegistry>
<SetRegEntry>
<Number>0</Number>
<Key>UL2CM3</Key>
<Name>UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000 -FN1 -FF0AT32F413_256 -FS08000000 -FL040000 -FP0($$Device:-AT32F413RCT7$Flash\AT32F413_256.FLM))</Name>
</SetRegEntry>
</TargetDriverDllRegistry>
<Breakpoint/>
<Tracepoint>
<THDelay>0</THDelay>
</Tracepoint>
<DebugFlag>
<trace>0</trace>
<periodic>0</periodic>
<aLwin>0</aLwin>
<aCover>0</aCover>
<aSer1>0</aSer1>
<aSer2>0</aSer2>
<aPa>0</aPa>
<viewmode>0</viewmode>
<vrSel>0</vrSel>
<aSym>0</aSym>
<aTbox>0</aTbox>
<AscS1>0</AscS1>
<AscS2>0</AscS2>
<AscS3>0</AscS3>
<aSer3>0</aSer3>
<eProf>0</eProf>
<aLa>0</aLa>
<aPa1>0</aPa1>
<AscS4>0</AscS4>
<aSer4>0</aSer4>
<StkLoc>0</StkLoc>
<TrcWin>0</TrcWin>
<newCpu>0</newCpu>
<uProt>0</uProt>
</DebugFlag>
<LintExecutable></LintExecutable>
<LintConfigFile></LintConfigFile>
<bLintAuto>0</bLintAuto>
<bAutoGenD>0</bAutoGenD>
<LntExFlags>0</LntExFlags>
<pMisraName></pMisraName>
<pszMrule></pszMrule>
<pSingCmds></pSingCmds>
<pMultCmds></pMultCmds>
<pMisraNamep></pMisraNamep>
<pszMrulep></pszMrulep>
<pSingCmdsp></pSingCmdsp>
<pMultCmdsp></pMultCmdsp>
</TargetOption>
</Target>
<Group>
<GroupName>user</GroupName>
<tvExp>0</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<cbSel>0</cbSel>
<RteFlg>0</RteFlg>
<File>
<GroupNumber>1</GroupNumber>
<FileNumber>1</FileNumber>
<FileType>1</FileType>
<tvExp>0</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<bDave2>0</bDave2>
<PathWithFileName>..\src\at32f413_clock.c</PathWithFileName>
<FilenameWithoutPath>at32f413_clock.c</FilenameWithoutPath>
<RteFlg>0</RteFlg>
<bShared>0</bShared>
</File>
<File>
<GroupNumber>1</GroupNumber>
<FileNumber>2</FileNumber>
<FileType>1</FileType>
<tvExp>0</tvExp>
<tvExpOptDlg>0</tvExpOptDlg>
<bDave2>0</bDave2>
<PathWithFileName>..\src\at32f413_int.c</PathWithFileName>
<FilenameWithoutPath>at32f413_int.c</FilenameWithoutPath>
<RteFlg>0</RteFlg>
<bShared>0</bShared>
</File>
<File>
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<PathWithFileName>..\src\arm_fir_data.c</PathWithFileName>
<FilenameWithoutPath>arm_fir_data.c</FilenameWithoutPath>
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</File>
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</File>
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</File>
</Group>
<Group>
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<GroupName>firmware</GroupName>
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utilities/at32f413_slib_demo/project_l1/mdk_v5/project_l1.uvprojx Normal file
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utilities/at32f413_slib_demo/project_l1/readme.txt Normal file
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/**
**************************************************************************
* @file readme.txt
* @version v2.0.0
* @date 2021-11-26
* @brief readme
**************************************************************************
*/
this demo is based on the at-start board, in this demo(project_l1, step2 of
the slib example), the mcu is already preloaded with fir-filter slib protected
ip-code (done in project_l0 project).
to call the ip-code fir_lowpass_filter() function:
- the fir_filter.h header file is included in main.c file
- symbol definition file (fir_filter_symbol.txt for mdk-arm) containing the
protected function symbols and addresses is included in this project. noting
that symbol definition file have to be generated in project_l0 in order to
replace the existing one in this project.
@note the application needs to ensure that the systick time base is always
set to 1 millisecond to have correct operation.
@par directory contents
extra used files:
- project_l1/src/math_helper.c calculation of snr
- project_l1/src/arm_fir_data.c contains fir_filter's input signal and reference output signal computed with matlab
related ip-code files provided from project_l0:
- project_l1/mdk_v5/fir_filter_symbol.txt symbol definition file for mdk-arm project containing slib protected code symbols and addresses
- project_l1/inc/fir_filter.h fir-filter slib protected ip-code header file
@par hardware and software environment
- this example runs on at-start board.
- this example has been tested with the following toolchain:
keil mdk-arm uvision v5.18.0.0
@par how to use it ?
before running this project the following conditions must be met:
- the same toolchain and compiler version must be used for both projects in
project_l0 and project_l1: for instance if mdk-arm v5.18 is used in project_l0
then it must be used for project_l1 too.
- check if any flash access protection(FAP), erase/program protection(EPP)
or slib protection is enabled, if yes disable these protection first.
in order to make the program work, you must do the following :
1. open project located in project_l1 directory and choose your preferred toolchain
2. select the project configuration
3. rebuild all files.
4. run the example following the sequence below:
(a) power on the board then load the code, led3 should toggle fast if not
press reset button.
(b) press the user button key to execute the ip-code called in main.c file.
(c) if the ip-code is successfully executed, the green led4 should toggle
continuously. else the red led2 toggles continuously.
for details, please refer to the application note document AN0038.

139
utilities/at32f413_slib_demo/project_l1/src/arm_fir_data.c Normal file
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/* ----------------------------------------------------------------------
* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
*
* $Date: 17. January 2013
* $Revision: V1.4.0
*
* Project: CMSIS DSP Library
* Title: arm_fir_data.c
*
* Description: Data file used for example code
*
* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of ARM LIMITED nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* -------------------------------------------------------------------- */
#include "at32f413.h"
#include "arm_math.h"
/* ----------------------------------------------------------------------
** Test input signal contains 1000Hz + 15000 Hz
** ------------------------------------------------------------------- */
float32_t testInput_f32_1kHz_15kHz[320] =
{
+0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
-0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f,
-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
+0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
+0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f,
-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
+0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
+0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f,
-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
-0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
-0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f,
-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
+0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
+0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f,
-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
-0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
+0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
-0.8660254038f, -0.4619397663f, -1.3194792169f, -1.1827865776f, -0.5000000000f, -1.1827865776f, -1.3194792169f, -0.4619397663f,
-0.8660254038f, -1.2552931065f, -0.3535533906f, -0.4174197128f, -1.0000000000f, -0.1913417162f, +0.0947343455f, -0.5924659585f,
-0.0000000000f, +0.5924659585f, -0.0947343455f, +0.1913417162f, +1.0000000000f, +0.4174197128f, +0.3535533906f, +1.2552931065f,
+0.8660254038f, +0.4619397663f, +1.3194792169f, +1.1827865776f, +0.5000000000f, +1.1827865776f, +1.3194792169f, +0.4619397663f,
+0.8660254038f, +1.2552931065f, +0.3535533906f, +0.4174197128f, +1.0000000000f, +0.1913417162f, -0.0947343455f, +0.5924659585f,
+0.0000000000f, -0.5924659585f, +0.0947343455f, -0.1913417162f, -1.0000000000f, -0.4174197128f, -0.3535533906f, -1.2552931065f,
};
/* ----------------------------------------------------------------------
** Reference output signal computed with MATLAB
** ------------------------------------------------------------------- */
float32_t refOutput[320] =
{
+0.0000000000f, -0.0010797829f, -0.0007681386f, -0.0001982932f, +0.0000644313f, +0.0020854271f, +0.0036891871f, +0.0015855941f,
-0.0026280805f, -0.0075907658f, -0.0119390538f, -0.0086665968f, +0.0088981202f, +0.0430539279f, +0.0974468742f, +0.1740405600f,
+0.2681416601f, +0.3747720089f, +0.4893362230f, +0.6024154672f, +0.7058740791f, +0.7968348987f, +0.8715901940f, +0.9277881093f,
+0.9682182661f, +0.9934674267f, +1.0012052245f, +0.9925859371f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, -0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, -0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, -0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, +0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, +0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, -0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f,
+0.7085021596f, +0.6100062330f, +0.5012752767f, +0.3834386057f, +0.2592435399f, +0.1309866321f, +0.0000000000f, -0.1309866321f,
-0.2592435399f, -0.3834386057f, -0.5012752767f, -0.6100062330f, -0.7085021596f, -0.7952493046f, -0.8679010068f, -0.9257026822f,
-0.9681538347f, -0.9936657199f, -1.0019733630f, -0.9936657199f, -0.9681538347f, -0.9257026822f, -0.8679010068f, -0.7952493046f,
-0.7085021596f, -0.6100062330f, -0.5012752767f, -0.3834386057f, -0.2592435399f, -0.1309866321f, +0.0000000000f, +0.1309866321f,
+0.2592435399f, +0.3834386057f, +0.5012752767f, +0.6100062330f, +0.7085021596f, +0.7952493046f, +0.8679010068f, +0.9257026822f,
+0.9681538347f, +0.9936657199f, +1.0019733630f, +0.9936657199f, +0.9681538347f, +0.9257026822f, +0.8679010068f, +0.7952493046f
};

96
utilities/at32f413_slib_demo/project_l1/src/at32f413_clock.c Normal file
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/**
**************************************************************************
* @file at32f413_clock.c
* @version v2.0.0
* @date 2021-11-26
* @brief system clock config program
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* includes ------------------------------------------------------------------*/
#include "at32f413_clock.h"
/**
* @brief system clock config program
* @note the system clock is configured as follow:
* - system clock = hext / 2 * pll_mult
* - system clock source = pll (hext)
* - hext = 8000000
* - sclk = 192000000
* - ahbdiv = 1
* - ahbclk = 192000000
* - apb2div = 2
* - apb2clk = 96000000
* - apb1div = 2
* - apb1clk = 96000000
* - pll_mult = 48
* - pll_range = GT72MHZ (greater than 72 mhz)
* @param none
* @retval none
*/
void system_clock_config(void)
{
/* reset crm */
crm_reset();
crm_clock_source_enable(CRM_CLOCK_SOURCE_HEXT, TRUE);
/* wait till hext is ready */
while(crm_hext_stable_wait() == ERROR)
{
}
/* config pll clock resource */
crm_pll_config(CRM_PLL_SOURCE_HEXT_DIV, CRM_PLL_MULT_48, CRM_PLL_OUTPUT_RANGE_GT72MHZ);
/* enable pll */
crm_clock_source_enable(CRM_CLOCK_SOURCE_PLL, TRUE);
/* wait till pll is ready */
while(crm_flag_get(CRM_PLL_STABLE_FLAG) != SET)
{
}
/* config ahbclk */
crm_ahb_div_set(CRM_AHB_DIV_1);
/* config apb2clk */
crm_apb2_div_set(CRM_APB2_DIV_2);
/* config apb1clk */
crm_apb1_div_set(CRM_APB1_DIV_2);
/* enable auto step mode */
crm_auto_step_mode_enable(TRUE);
/* select pll as system clock source */
crm_sysclk_switch(CRM_SCLK_PLL);
/* wait till pll is used as system clock source */
while(crm_sysclk_switch_status_get() != CRM_SCLK_PLL)
{
}
/* disable auto step mode */
crm_auto_step_mode_enable(FALSE);
/* update system_core_clock global variable */
system_core_clock_update();
}

156
utilities/at32f413_slib_demo/project_l1/src/at32f413_int.c Normal file
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/**
**************************************************************************
* @file at32f413_int.c
* @version v2.0.0
* @date 2021-11-26
* @brief main interrupt service routines.
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* includes ------------------------------------------------------------------*/
#include "at32f413_int.h"
#include "at32f413_board.h"
/** @addtogroup UTILITIES_examples
* @{
*/
/** @addtogroup SLIB_project_l1
* @{
*/
/**
* @brief this function handles nmi exception.
* @param none
* @retval none
*/
void NMI_Handler(void)
{
}
/**
* @brief this function handles hard fault exception.
* @param none
* @retval none
*/
void HardFault_Handler(void)
{
/* go to infinite loop when hard fault exception occurs */
while (1)
{
}
}
/**
* @brief this function handles memory manage exception.
* @param none
* @retval none
*/
void MemManage_Handler(void)
{
/* go to infinite loop when memory manage exception occurs */
while (1)
{
}
}
/**
* @brief this function handles bus fault exception.
* @param none
* @retval none
*/
void BusFault_Handler(void)
{
/* go to infinite loop when bus fault exception occurs */
while (1)
{
}
}
/**
* @brief this function handles usage fault exception.
* @param none
* @retval none
*/
void UsageFault_Handler(void)
{
/* go to infinite loop when usage fault exception occurs */
while (1)
{
}
}
/**
* @brief this function handles svcall exception.
* @param none
* @retval none
*/
void SVC_Handler(void)
{
}
/**
* @brief this function handles debug monitor exception.
* @param none
* @retval none
*/
void DebugMon_Handler(void)
{
}
/**
* @brief this function handles pendsv_handler exception.
* @param none
* @retval none
*/
void PendSV_Handler(void)
{
}
/**
* @brief this function handles systick handler.
* @param none
* @retval none
*/
void SysTick_Handler(void)
{
}
/**
* @brief flash handler.
* @param none
* @retval none
*/
void FLASH_IRQHandler(void)
{
if(flash_flag_get(FLASH_EPPERR_FLAG))
{
flash_flag_clear(FLASH_EPPERR_FLAG);
delay_ms(500);
}
}
/**
* @}
*/
/**
* @}
*/

136
utilities/at32f413_slib_demo/project_l1/src/main.c Normal file
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/**
**************************************************************************
* @file main.c
* @version v2.0.0
* @date 2021-11-26
* @brief main program
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
#include "at32f413_board.h"
#include "at32f413_clock.h"
#include <stdio.h>
#include "math_helper.h"
#include "fir_filter.h"
extern float32_t testInput_f32_1kHz_15kHz[];
extern float32_t refOutput[];
/** @addtogroup UTILITIES_examples
* @{
*/
/** @addtogroup SLIB_project_l1
* @{
*/
#define SNR_THRESHOLD_F32 140.0f
#define TEST_LENGTH_SAMPLES 320
static float32_t testOutput[TEST_LENGTH_SAMPLES];
void config_flash_interrupt(void);
/**
* @brief config flash error interrupt.
* @param none
* @retval flash status
*/
void config_flash_interrupt(void)
{
flash_unlock();
flash_interrupt_enable(FLASH_ERR_INT, TRUE);
flash_lock();
/* config nvic priority group */
nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);
nvic_irq_enable(FLASH_IRQn, 0, 0);
}
/**
* @brief main function.
* @param none
* @retval none
*/
int main(void)
{
arm_status status;
float32_t *inputf32, *outputf32, snr;
system_clock_config();
at32_board_init();
/* initialize input and output buffer pointers */
inputf32 = &testInput_f32_1kHz_15kHz[0];
outputf32 = &testOutput[0];
/* configure flash to generate an interrupt when a write protect error occur */
config_flash_interrupt();
/* wait for key button to be pushed, then turn off led3 */
while(at32_button_press() == NO_BUTTON)
{
at32_led_toggle(LED3);
delay_ms(100);
}
at32_led_off(LED3);
/* call the fir low pass filter function */
FIR_lowpass_filter(inputf32, outputf32, TEST_LENGTH_SAMPLES);
/* compare the generated output against the reference output computed in matlab. */
snr = arm_snr_f32(&refOutput[0], &testOutput[0], TEST_LENGTH_SAMPLES);
if(snr < SNR_THRESHOLD_F32)
{
status = ARM_MATH_TEST_FAILURE;
}
else
{
status = ARM_MATH_SUCCESS;
}
/* infinite loop */
while(1)
{
if(status == ARM_MATH_TEST_FAILURE)
{
/* toggle red led2 if fir function failed */
at32_led_toggle(LED2);
delay_ms(500);
}
else
{
/* toggle green led4 if fir function success */
at32_led_toggle(LED4);
delay_ms(500);
}
}
}
/**
* @}
*/
/**
* @}
*/

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/* ----------------------------------------------------------------------
* Copyright (C) 2010-2012 ARM Limited. All rights reserved.
*
* $Date: 17. January 2013
* $Revision: V1.4.0 b
*
* Project: CMSIS DSP Library
*
* Title: math_helper.c
*
* Description: Definition of all helper functions required.
*
* Target Processor: Cortex-M4/Cortex-M3
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* - Neither the name of ARM LIMITED nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
* -------------------------------------------------------------------- */
/* ----------------------------------------------------------------------
* Include standard header files
* -------------------------------------------------------------------- */
#include<math.h>
/* ----------------------------------------------------------------------
* Include project header files
* -------------------------------------------------------------------- */
#include "math_helper.h"
/**
* @brief Caluclation of SNR
* @param[in] pRef Pointer to the reference buffer
* @param[in] pTest Pointer to the test buffer
* @param[in] buffSize total number of samples
* @return SNR
* The function Caluclates signal to noise ratio for the reference output
* and test output
*/
float arm_snr_f32(float *pRef, float *pTest, uint32_t buffSize)
{
float EnergySignal = 0.0, EnergyError = 0.0;
uint32_t i;
float SNR;
int temp;
int *test;
for (i = 0; i < buffSize; i++)
{
/* Checking for a NAN value in pRef array */
test = (int *)(&pRef[i]);
temp = *test;
if (temp == 0x7FC00000)
{
return(0);
}
/* Checking for a NAN value in pTest array */
test = (int *)(&pTest[i]);
temp = *test;
if (temp == 0x7FC00000)
{
return(0);
}
EnergySignal += pRef[i] * pRef[i];
EnergyError += (pRef[i] - pTest[i]) * (pRef[i] - pTest[i]);
}
/* Checking for a NAN value in EnergyError */
test = (int *)(&EnergyError);
temp = *test;
if (temp == 0x7FC00000)
{
return(0);
}
SNR = 10 * log10 (EnergySignal / EnergyError);
return (SNR);
}
/**
* @brief Provide guard bits for Input buffer
* @param[in,out] input_buf Pointer to input buffer
* @param[in] blockSize block Size
* @param[in] guard_bits guard bits
* @return none
* The function Provides the guard bits for the buffer
* to avoid overflow
*/
void arm_provide_guard_bits_q15 (q15_t * input_buf, uint32_t blockSize,
uint32_t guard_bits)
{
uint32_t i;
for (i = 0; i < blockSize; i++)
{
input_buf[i] = input_buf[i] >> guard_bits;
}
}
/**
* @brief Converts float to fixed in q12.20 format
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to outputbuffer
* @param[in] numSamples number of samples in the input buffer
* @return none
* The function converts floating point values to fixed point(q12.20) values
*/
void arm_float_to_q12_20(float *pIn, q31_t * pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 1048576.0f corresponds to pow(2, 20) */
pOut[i] = (q31_t) (pIn[i] * 1048576.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 1.0)
{
pOut[i] = 0x000FFFFF;
}
}
}
/**
* @brief Compare MATLAB Reference Output and ARM Test output
* @param[in] pIn Pointer to Ref buffer
* @param[in] pOut Pointer to Test buffer
* @param[in] numSamples number of samples in the buffer
* @return maximum difference
*/
uint32_t arm_compare_fixed_q15(q15_t *pIn, q15_t *pOut, uint32_t numSamples)
{
uint32_t i;
int32_t diff, diffCrnt = 0;
uint32_t maxDiff = 0;
for (i = 0; i < numSamples; i++)
{
diff = pIn[i] - pOut[i];
diffCrnt = (diff > 0) ? diff : -diff;
if (diffCrnt > maxDiff)
{
maxDiff = diffCrnt;
}
}
return(maxDiff);
}
/**
* @brief Compare MATLAB Reference Output and ARM Test output
* @param[in] pIn Pointer to Ref buffer
* @param[in] pOut Pointer to Test buffer
* @param[in] numSamples number of samples in the buffer
* @return maximum difference
*/
uint32_t arm_compare_fixed_q31(q31_t *pIn, q31_t * pOut, uint32_t numSamples)
{
uint32_t i;
int32_t diff, diffCrnt = 0;
uint32_t maxDiff = 0;
for (i = 0; i < numSamples; i++)
{
diff = pIn[i] - pOut[i];
diffCrnt = (diff > 0) ? diff : -diff;
if (diffCrnt > maxDiff)
{
maxDiff = diffCrnt;
}
}
return(maxDiff);
}
/**
* @brief Provide guard bits for Input buffer
* @param[in,out] input_buf Pointer to input buffer
* @param[in] blockSize block Size
* @param[in] guard_bits guard bits
* @return none
* The function Provides the guard bits for the buffer
* to avoid overflow
*/
void arm_provide_guard_bits_q31 (q31_t * input_buf,
uint32_t blockSize,
uint32_t guard_bits)
{
uint32_t i;
for (i = 0; i < blockSize; i++)
{
input_buf[i] = input_buf[i] >> guard_bits;
}
}
/**
* @brief Provide guard bits for Input buffer
* @param[in,out] input_buf Pointer to input buffer
* @param[in] blockSize block Size
* @param[in] guard_bits guard bits
* @return none
* The function Provides the guard bits for the buffer
* to avoid overflow
*/
void arm_provide_guard_bits_q7 (q7_t * input_buf,
uint32_t blockSize,
uint32_t guard_bits)
{
uint32_t i;
for (i = 0; i < blockSize; i++)
{
input_buf[i] = input_buf[i] >> guard_bits;
}
}
/**
* @brief Caluclates number of guard bits
* @param[in] num_adds number of additions
* @return guard bits
* The function Caluclates the number of guard bits
* depending on the numtaps
*/
uint32_t arm_calc_guard_bits (uint32_t num_adds)
{
uint32_t i = 1, j = 0;
if (num_adds == 1)
{
return (0);
}
while (i < num_adds)
{
i = i * 2;
j++;
}
return (j);
}
/**
* @brief Apply guard bits to buffer
* @param[in,out] pIn pointer to input buffer
* @param[in] numSamples number of samples in the input buffer
* @param[in] guard_bits guard bits
* @return none
*/
void arm_apply_guard_bits (float32_t *pIn,
uint32_t numSamples,
uint32_t guard_bits)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
pIn[i] = pIn[i] * arm_calc_2pow(guard_bits);
}
}
/**
* @brief Calculates pow(2, numShifts)
* @param[in] numShifts number of shifts
* @return pow(2, numShifts)
*/
uint32_t arm_calc_2pow(uint32_t numShifts)
{
uint32_t i, val = 1;
for (i = 0; i < numShifts; i++)
{
val = val * 2;
}
return(val);
}
/**
* @brief Converts float to fixed q14
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to output buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_float_to_q14 (float *pIn, q15_t *pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 16384.0f corresponds to pow(2, 14) */
pOut[i] = (q15_t) (pIn[i] * 16384.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 2.0)
{
pOut[i] = 0x7FFF;
}
}
}
/**
* @brief Converts float to fixed q30 format
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to output buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_float_to_q30 (float *pIn, q31_t * pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 1073741824.0f corresponds to pow(2, 30) */
pOut[i] = (q31_t) (pIn[i] * 1073741824.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 2.0)
{
pOut[i] = 0x7FFFFFFF;
}
}
}
/**
* @brief Converts float to fixed q30 format
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to output buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_float_to_q29 (float *pIn, q31_t *pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 1073741824.0f corresponds to pow(2, 30) */
pOut[i] = (q31_t) (pIn[i] * 536870912.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 4.0)
{
pOut[i] = 0x7FFFFFFF;
}
}
}
/**
* @brief Converts float to fixed q28 format
* @param[in] pIn pointer to input buffer
* @param[out] pOut pointer to output buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_float_to_q28 (float *pIn, q31_t *pOut, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
/* 268435456.0f corresponds to pow(2, 28) */
pOut[i] = (q31_t) (pIn[i] * 268435456.0f);
pOut[i] += pIn[i] > 0 ? 0.5 : -0.5;
if (pIn[i] == (float) 8.0)
{
pOut[i] = 0x7FFFFFFF;
}
}
}
/**
* @brief Clip the float values to +/- 1
* @param[in,out] pIn input buffer
* @param[in] numSamples number of samples in the buffer
* @return none
* The function converts floating point values to fixed point values
*/
void arm_clip_f32 (float *pIn, uint32_t numSamples)
{
uint32_t i;
for (i = 0; i < numSamples; i++)
{
if (pIn[i] > 1.0f)
{
pIn[i] = 1.0;
}
else if ( pIn[i] < -1.0f)
{
pIn[i] = -1.0;
}
}
}