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413
middlewares/usbd_class/cdc/cdc_class.c Normal file
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/**
**************************************************************************
* @file cdc_class.c
* @version v2.0.0
* @date 2021-11-26
* @brief usb cdc class type
**************************************************************************
* 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 "usbd_core.h"
#include "cdc_class.h"
#include "cdc_desc.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @defgroup USB_cdc_class
* @brief usb device class cdc demo
* @{
*/
/** @defgroup USB_cdc_class_private_functions
* @{
*/
usb_sts_type class_init_handler(void *udev);
usb_sts_type class_clear_handler(void *udev);
usb_sts_type class_setup_handler(void *udev, usb_setup_type *setup);
usb_sts_type class_ept0_tx_handler(void *udev);
usb_sts_type class_ept0_rx_handler(void *udev);
usb_sts_type class_in_handler(void *udev, uint8_t ept_num);
usb_sts_type class_out_handler(void *udev, uint8_t ept_num);
usb_sts_type class_sof_handler(void *udev);
usb_sts_type class_event_handler(void *udev, usbd_event_type event);
void usb_vcp_cmd_process(void *udev, uint8_t cmd, uint8_t *buff, uint16_t len);
/* usb rx and tx buffer */
static uint32_t alt_setting = 0;
static uint8_t g_rx_buff[USBD_OUT_MAXPACKET_SIZE];
//static uint8_t g_tx_buff[USBD_IN_MAXPACKET_SIZE];
static uint8_t g_cmd[USBD_CMD_MAXPACKET_SIZE];
static uint8_t g_req;
static uint16_t g_len, g_rxlen;
__IO uint8_t g_tx_completed = 1, g_rx_completed = 0;
linecoding_type linecoding =
{
115200,
0x00,
0x00,
0x08
};
/* static variable */
/* usb device class handler */
usbd_class_handler class_handler =
{
class_init_handler,
class_clear_handler,
class_setup_handler,
class_ept0_tx_handler,
class_ept0_rx_handler,
class_in_handler,
class_out_handler,
class_sof_handler,
class_event_handler,
};
/**
* @brief initialize usb custom hid endpoint
* @param udev: to the structure of usbd_core_type
* @retval status of usb_sts_type
*/
usb_sts_type class_init_handler(void *udev)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
/* open in endpoint */
usbd_ept_open(pudev, USBD_CDC_INT_EPT, EPT_INT_TYPE, USBD_CMD_MAXPACKET_SIZE);
/* open in endpoint */
usbd_ept_open(pudev, USBD_CDC_BULK_IN_EPT, EPT_BULK_TYPE, USBD_IN_MAXPACKET_SIZE);
/* open out endpoint */
usbd_ept_open(pudev, USBD_CDC_BULK_OUT_EPT, EPT_BULK_TYPE, USBD_OUT_MAXPACKET_SIZE);
/* set out endpoint to receive status */
usbd_ept_recv(pudev, USBD_CDC_BULK_OUT_EPT, g_rx_buff, USBD_OUT_MAXPACKET_SIZE);
g_tx_completed = 1;
return status;
}
/**
* @brief clear endpoint or other state
* @param udev: to the structure of usbd_core_type
* @retval status of usb_sts_type
*/
usb_sts_type class_clear_handler(void *udev)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
/* close in endpoint */
usbd_ept_close(pudev, USBD_CDC_INT_EPT);
/* close in endpoint */
usbd_ept_close(pudev, USBD_CDC_BULK_IN_EPT);
/* close out endpoint */
usbd_ept_close(pudev, USBD_CDC_BULK_OUT_EPT);
return status;
}
/**
* @brief usb device class setup request handler
* @param udev: to the structure of usbd_core_type
* @param setup: setup packet
* @retval status of usb_sts_type
*/
usb_sts_type class_setup_handler(void *udev, usb_setup_type *setup)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
switch(setup->bmRequestType & USB_REQ_TYPE_RESERVED)
{
/* class request */
case USB_REQ_TYPE_CLASS:
if(setup->wLength)
{
if(setup->bmRequestType & USB_REQ_DIR_DTH)
{
usb_vcp_cmd_process(udev, setup->bRequest, g_cmd, setup->wLength);
usbd_ctrl_send(pudev, g_cmd, setup->wLength);
}
else
{
g_req = setup->bRequest;
g_len = setup->wLength;
usbd_ctrl_recv(pudev, g_cmd, g_len);
}
}
break;
/* standard request */
case USB_REQ_TYPE_STANDARD:
switch(setup->bRequest)
{
case USB_STD_REQ_GET_DESCRIPTOR:
usbd_ctrl_unsupport(pudev);
break;
case USB_STD_REQ_GET_INTERFACE:
usbd_ctrl_send(pudev, (uint8_t *)&alt_setting, 1);
break;
case USB_STD_REQ_SET_INTERFACE:
alt_setting = setup->wValue;
break;
default:
break;
}
break;
default:
usbd_ctrl_unsupport(pudev);
break;
}
return status;
}
/**
* @brief usb device endpoint 0 in status stage complete
* @param udev: to the structure of usbd_core_type
* @retval status of usb_sts_type
*/
usb_sts_type class_ept0_tx_handler(void *udev)
{
usb_sts_type status = USB_OK;
/* ...user code... */
return status;
}
/**
* @brief usb device endpoint 0 out status stage complete
* @param udev: usb device core handler type
* @retval status of usb_sts_type
*/
usb_sts_type class_ept0_rx_handler(void *udev)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
uint32_t recv_len = usbd_get_recv_len(pudev, 0);
/* ...user code... */
if( g_req == SET_LINE_CODING)
{
/* class process */
usb_vcp_cmd_process(udev, g_req, g_cmd, recv_len);
}
return status;
}
/**
* @brief usb device transmision complete handler
* @param udev: to the structure of usbd_core_type
* @param ept_num: endpoint number
* @retval status of usb_sts_type
*/
usb_sts_type class_in_handler(void *udev, uint8_t ept_num)
{
usbd_core_type *pudev = (usbd_core_type *)udev;
usb_sts_type status = USB_OK;
/* ...user code...
trans next packet data
*/
usbd_flush_tx_fifo(pudev, ept_num);
g_tx_completed = 1;
return status;
}
/**
* @brief usb device endpoint receive data
* @param udev: to the structure of usbd_core_type
* @param ept_num: endpoint number
* @retval status of usb_sts_type
*/
usb_sts_type class_out_handler(void *udev, uint8_t ept_num)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
/* get endpoint receive data length */
g_rxlen = usbd_get_recv_len(pudev, ept_num);
/*set recv flag*/
g_rx_completed = 1;
return status;
}
/**
* @brief usb device sof handler
* @param udev: to the structure of usbd_core_type
* @retval status of usb_sts_type
*/
usb_sts_type class_sof_handler(void *udev)
{
usb_sts_type status = USB_OK;
/* ...user code... */
return status;
}
/**
* @brief usb device event handler
* @param udev: to the structure of usbd_core_type
* @param event: usb device event
* @retval status of usb_sts_type
*/
usb_sts_type class_event_handler(void *udev, usbd_event_type event)
{
usb_sts_type status = USB_OK;
switch(event)
{
case USBD_RESET_EVENT:
/* ...user code... */
break;
case USBD_SUSPEND_EVENT:
/* ...user code... */
break;
case USBD_WAKEUP_EVENT:
/* ...user code... */
break;
case USBD_INISOINCOM_EVENT:
break;
case USBD_OUTISOINCOM_EVENT:
break;
default:
break;
}
return status;
}
/**
* @brief usb device class rx data process
* @param udev: to the structure of usbd_core_type
* @param recv_data: receive buffer
* @retval receive data len
*/
uint16_t usb_vcp_get_rxdata(void *udev, uint8_t *recv_data)
{
uint16_t i_index = 0;
uint16_t tmp_len = g_rxlen;
usbd_core_type *pudev = (usbd_core_type *)udev;
if(g_rx_completed == 0)
{
return 0;
}
g_rx_completed = 0;
tmp_len = g_rxlen;
for(i_index = 0; i_index < g_rxlen; i_index ++)
{
recv_data[i_index] = g_rx_buff[i_index];
}
usbd_ept_recv(pudev, USBD_CDC_BULK_OUT_EPT, g_rx_buff, USBD_OUT_MAXPACKET_SIZE);
return tmp_len;
}
/**
* @brief usb device class send data
* @param udev: to the structure of usbd_core_type
* @param send_data: send data buffer
* @param len: send length
* @retval error status
*/
error_status usb_vcp_send_data(void *udev, uint8_t *send_data, uint16_t len)
{
error_status status = SUCCESS;
usbd_core_type *pudev = (usbd_core_type *)udev;
if(g_tx_completed)
{
g_tx_completed = 0;
usbd_ept_send(pudev, USBD_CDC_BULK_IN_EPT, send_data, len);
}
else
{
status = ERROR;
}
return status;
}
/**
* @brief usb device function
* @param udev: to the structure of usbd_core_type
* @param cmd: request number
* @param buff: request buffer
* @param len: buffer length
* @retval none
*/
void usb_vcp_cmd_process(void *udev, uint8_t cmd, uint8_t *buff, uint16_t len)
{
switch(cmd)
{
case SET_LINE_CODING:
linecoding.bitrate = (uint32_t)(buff[0] | (buff[1] << 8) | (buff[2] << 16) | (buff[3] <<24));
linecoding.format = buff[4];
linecoding.parity = buff[5];
linecoding.data = buff[6];
break;
case GET_LINE_CODING:
buff[0] = (uint8_t)linecoding.bitrate;
buff[1] = (uint8_t)(linecoding.bitrate >> 8);
buff[2] = (uint8_t)(linecoding.bitrate >> 16);
buff[3] = (uint8_t)(linecoding.bitrate >> 24);
buff[4] = (uint8_t)(linecoding.format);
buff[5] = (uint8_t)(linecoding.parity);
buff[6] = (uint8_t)(linecoding.data);
break;
default:
break;
}
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/

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/**
**************************************************************************
* @file cdc_class.h
* @version v2.0.0
* @date 2021-11-26
* @brief usb cdc class 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 __CDC_CLASS_H
#define __CDC_CLASS_H
#ifdef __cplusplus
extern "C" {
#endif
#include "usb_std.h"
#include "usbd_core.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @addtogroup USB_cdc_class
* @{
*/
/** @defgroup USB_cdc_class_definition
* @{
*/
/**
* @brief usb cdc use endpoint define
*/
#define USBD_CDC_INT_EPT 0x82
#define USBD_CDC_BULK_IN_EPT 0x81
#define USBD_CDC_BULK_OUT_EPT 0x01
/**
* @brief usb cdc in and out max packet size define
*/
#define USBD_IN_MAXPACKET_SIZE 0x40
#define USBD_OUT_MAXPACKET_SIZE 0x40
#define USBD_CMD_MAXPACKET_SIZE 0x08
/**
* @brief usb cdc class request code define
*/
#define SET_LINE_CODING 0x20
#define GET_LINE_CODING 0x21
/**
* @}
*/
/** @defgroup USB_cdc_class_exported_types
* @{
*/
/**
* @brief usb cdc class set line coding struct
*/
typedef struct
{
uint32_t bitrate; /* line coding baud rate */
uint8_t format; /* line coding foramt */
uint8_t parity; /* line coding parity */
uint8_t data; /* line coding data bit */
}linecoding_type;
/**
* @}
*/
/** @defgroup USB_cdc_class_exported_functions
* @{
*/
extern usbd_class_handler class_handler;
uint16_t usb_vcp_get_rxdata(void *udev, uint8_t *recv_data);
error_status usb_vcp_send_data(void *udev, uint8_t *send_data, uint16_t len);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif

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/**
**************************************************************************
* @file cdc_desc.c
* @version v2.0.0
* @date 2021-11-26
* @brief usb cdc device descriptor
**************************************************************************
* 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 "stdio.h"
#include "usb_std.h"
#include "usbd_sdr.h"
#include "usbd_core.h"
#include "cdc_desc.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @defgroup USB_cdc_desc
* @brief usb device cdc descriptor
* @{
*/
/** @defgroup USB_cdc_desc_private_functions
* @{
*/
usbd_desc_t *get_device_descriptor(void);
usbd_desc_t *get_device_qualifier(void);
usbd_desc_t *get_device_configuration(void);
usbd_desc_t *get_device_other_speed(void);
usbd_desc_t *get_device_lang_id(void);
usbd_desc_t *get_device_manufacturer_string(void);
usbd_desc_t *get_device_product_string(void);
usbd_desc_t *get_device_serial_string(void);
usbd_desc_t *get_device_interface_string(void);
usbd_desc_t *get_device_config_string(void);
uint16_t usbd_unicode_convert(uint8_t *string, uint8_t *unicode_buf);
static void usbd_int_to_unicode (uint32_t value , uint8_t *pbuf , uint8_t len);
static void get_serial_num(void);
static uint8_t g_usbd_desc_buffer[256];
/**
* @brief device descriptor handler structure
*/
usbd_desc_handler desc_handler =
{
get_device_descriptor,
get_device_qualifier,
get_device_configuration,
get_device_other_speed,
get_device_lang_id,
get_device_manufacturer_string,
get_device_product_string,
get_device_serial_string,
get_device_interface_string,
get_device_config_string,
};
/**
* @brief usb device standard descriptor
*/
uint8_t g_usbd_descriptor[USB_DEVICE_DESC_LEN] =
{
USB_DEVICE_DESC_LEN, /* bLength */
USB_DESCIPTOR_TYPE_DEVICE, /* bDescriptorType */
0x00, /* bcdUSB */
0x02,
0x02, /* bDeviceClass */
0x00, /* bDeviceSubClass */
0x00, /* bDeviceProtocol */
USB_MAX_EP0_SIZE, /* bMaxPacketSize */
LBYTE(USBD_VENDOR_ID), /* idVendor */
HBYTE(USBD_VENDOR_ID), /* idVendor */
LBYTE(USBD_PRODUCT_ID), /* idProduct */
HBYTE(USBD_PRODUCT_ID), /* idProduct */
0x00, /* bcdDevice rel. 2.00 */
0x02,
USB_MFC_STRING, /* Index of manufacturer string */
USB_PRODUCT_STRING, /* Index of product string */
USB_SERIAL_STRING, /* Index of serial number string */
1 /* bNumConfigurations */
};
/**
* @brief usb configuration standard descriptor
*/
uint8_t g_usbd_configuration[USBD_CONFIG_DESC_SIZE] =
{
USB_DEVICE_CFG_DESC_LEN, /* bLength: configuration descriptor size */
USB_DESCIPTOR_TYPE_CONFIGURATION, /* bDescriptorType: configuration */
LBYTE(USBD_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
HBYTE(USBD_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
0x02, /* bNumInterfaces: 2 interface */
0x01, /* bConfigurationValue: configuration value */
0x00, /* iConfiguration: index of string descriptor describing
the configuration */
0xC0, /* bmAttributes: self powered */
0x32, /* MaxPower 100 mA: this current is used for detecting vbus */
USB_DEVICE_IF_DESC_LEN, /* bLength: interface descriptor size */
USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
0x00, /* bInterfaceNumber: number of interface */
0x00, /* bAlternateSetting: alternate set */
0x01, /* bNumEndpoints: number of endpoints */
USB_CLASS_CODE_CDC, /* bInterfaceClass: CDC class code */
0x02, /* bInterfaceSubClass: subclass code, Abstract Control Model*/
0x01, /* bInterfaceProtocol: protocol code, AT Command */
0x00, /* iInterface: index of string descriptor */
0x05, /* bFunctionLength: size of this descriptor in bytes */
USBD_CDC_CS_INTERFACE, /* bDescriptorType: CDC interface descriptor type */
USBD_CDC_SUBTYPE_HEADER, /* bDescriptorSubtype: Header function Descriptor 0x00*/
LBYTE(BCD_NUM),
HBYTE(BCD_NUM), /* bcdCDC: USB class definitions for communications */
0x05, /* bFunctionLength: size of this descriptor in bytes */
USBD_CDC_CS_INTERFACE, /* bDescriptorType: CDC interface descriptor type */
USBD_CDC_SUBTYPE_CMF, /* bDescriptorSubtype: Call Management function descriptor subtype 0x01 */
0x00, /* bmCapabilities: 0x00*/
0x01, /* bDataInterface: interface number of data class interface optionally used for call management */
0x04, /* bFunctionLength: size of this descriptor in bytes */
USBD_CDC_CS_INTERFACE, /* bDescriptorType: CDC interface descriptor type */
USBD_CDC_SUBTYPE_ACM, /* bDescriptorSubtype: Abstract Control Management functional descriptor subtype 0x02 */
0x02, /* bmCapabilities: Support Set_Line_Coding and Get_Line_Coding 0x02 */
0x05, /* bFunctionLength: size of this descriptor in bytes */
USBD_CDC_CS_INTERFACE, /* bDescriptorType: CDC interface descriptor type */
USBD_CDC_SUBTYPE_UFD, /* bDescriptorSubtype: Union Function Descriptor subtype 0x06 */
0x00, /* bControlInterface: The interface number of the communications or data class interface 0x00 */
0x01, /* bSubordinateInterface0: interface number of first subordinate interface in the union */
USB_DEVICE_EPT_LEN, /* bLength: size of endpoint descriptor in bytes */
USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
USBD_CDC_INT_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
USB_EPT_DESC_INTERRUPT, /* bmAttributes: endpoint attributes */
LBYTE(USBD_CMD_MAXPACKET_SIZE),
HBYTE(USBD_CMD_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
HID_BINTERVAL_TIME, /* bInterval: interval for polling endpoint for data transfers */
USB_DEVICE_IF_DESC_LEN, /* bLength: interface descriptor size */
USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
0x01, /* bInterfaceNumber: number of interface */
0x00, /* bAlternateSetting: alternate set */
0x02, /* bNumEndpoints: number of endpoints */
USB_CLASS_CODE_CDCDATA, /* bInterfaceClass: CDC-data class code */
0x00, /* bInterfaceSubClass: Data interface subclass code 0x00*/
0x00, /* bInterfaceProtocol: data class protocol code 0x00 */
0x00, /* iInterface: index of string descriptor */
USB_DEVICE_EPT_LEN, /* bLength: size of endpoint descriptor in bytes */
USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
USBD_CDC_BULK_IN_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
USB_EPT_DESC_BULK, /* bmAttributes: endpoint attributes */
LBYTE(USBD_IN_MAXPACKET_SIZE),
HBYTE(USBD_IN_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
0x00, /* bInterval: interval for polling endpoint for data transfers */
USB_DEVICE_EPT_LEN, /* bLength: size of endpoint descriptor in bytes */
USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
USBD_CDC_BULK_OUT_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
USB_EPT_DESC_BULK, /* bmAttributes: endpoint attributes */
LBYTE(USBD_OUT_MAXPACKET_SIZE),
HBYTE(USBD_OUT_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
0x00, /* bInterval: interval for polling endpoint for data transfers */
};
/**
* @brief usb string lang id
*/
uint8_t g_string_lang_id[USBD_SIZ_STRING_LANGID] =
{
USBD_SIZ_STRING_LANGID,
USB_DESCIPTOR_TYPE_STRING,
0x09,
0x04,
};
/**
* @brief usb string serial
*/
uint8_t g_string_serial[USBD_SIZ_STRING_SERIAL] =
{
USBD_SIZ_STRING_SERIAL,
USB_DESCIPTOR_TYPE_STRING,
};
/* device descriptor */
usbd_desc_t device_descriptor =
{
USB_DEVICE_DESC_LEN,
g_usbd_descriptor
};
/* config descriptor */
usbd_desc_t config_descriptor =
{
USBD_CONFIG_DESC_SIZE,
g_usbd_configuration
};
/* langid descriptor */
usbd_desc_t langid_descriptor =
{
USBD_SIZ_STRING_LANGID,
g_string_lang_id
};
/* serial descriptor */
usbd_desc_t serial_descriptor =
{
USBD_SIZ_STRING_SERIAL,
g_string_serial
};
usbd_desc_t vp_desc;
/**
* @brief standard usb unicode convert
* @param string: source string
* @param unicode_buf: unicode buffer
* @retval length
*/
uint16_t usbd_unicode_convert(uint8_t *string, uint8_t *unicode_buf)
{
uint16_t str_len = 0, id_pos = 2;
uint8_t *tmp_str = string;
while(*tmp_str != '\0')
{
str_len ++;
unicode_buf[id_pos ++] = *tmp_str ++;
unicode_buf[id_pos ++] = 0x00;
}
str_len = str_len * 2 + 2;
unicode_buf[0] = (uint8_t)str_len;
unicode_buf[1] = USB_DESCIPTOR_TYPE_STRING;
return str_len;
}
/**
* @brief usb int convert to unicode
* @param value: int value
* @param pbus: unicode buffer
* @param len: length
* @retval none
*/
static void usbd_int_to_unicode (uint32_t value , uint8_t *pbuf , uint8_t len)
{
uint8_t idx = 0;
for( idx = 0 ; idx < len ; idx ++)
{
if( ((value >> 28)) < 0xA )
{
pbuf[ 2 * idx] = (value >> 28) + '0';
}
else
{
pbuf[2 * idx] = (value >> 28) + 'A' - 10;
}
value = value << 4;
pbuf[2 * idx + 1] = 0;
}
}
/**
* @brief usb get serial number
* @param none
* @retval none
*/
static void get_serial_num(void)
{
uint32_t serial0, serial1, serial2;
serial0 = *(uint32_t*)MCU_ID1;
serial1 = *(uint32_t*)MCU_ID2;
serial2 = *(uint32_t*)MCU_ID3;
serial0 += serial2;
if (serial0 != 0)
{
usbd_int_to_unicode (serial0, &g_string_serial[2] ,8);
usbd_int_to_unicode (serial1, &g_string_serial[18] ,4);
}
}
/**
* @brief get device descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_descriptor(void)
{
return &device_descriptor;
}
/**
* @brief get device qualifier
* @param none
* @retval usbd_desc
*/
usbd_desc_t * get_device_qualifier(void)
{
return NULL;
}
/**
* @brief get config descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_configuration(void)
{
return &config_descriptor;
}
/**
* @brief get other speed descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_other_speed(void)
{
return NULL;
}
/**
* @brief get lang id descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_lang_id(void)
{
return &langid_descriptor;
}
/**
* @brief get manufacturer descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_manufacturer_string(void)
{
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_DESC_MANUFACTURER_STRING, g_usbd_desc_buffer);
vp_desc.descriptor = g_usbd_desc_buffer;
return &vp_desc;
}
/**
* @brief get product descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_product_string(void)
{
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_DESC_PRODUCT_STRING, g_usbd_desc_buffer);
vp_desc.descriptor = g_usbd_desc_buffer;
return &vp_desc;
}
/**
* @brief get serial descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_serial_string(void)
{
get_serial_num();
return &serial_descriptor;
}
/**
* @brief get interface descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_interface_string(void)
{
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_DESC_INTERFACE_STRING, g_usbd_desc_buffer);
vp_desc.descriptor = g_usbd_desc_buffer;
return &vp_desc;
}
/**
* @brief get device config descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_config_string(void)
{
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_DESC_CONFIGURATION_STRING, g_usbd_desc_buffer);
vp_desc.descriptor = g_usbd_desc_buffer;
return &vp_desc;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/

122
middlewares/usbd_class/cdc/cdc_desc.h Normal file
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@@ -0,0 +1,122 @@
/**
**************************************************************************
* @file cdc_desc.h
* @version v2.0.0
* @date 2021-11-26
* @brief usb cdc descriptor 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 __CDC_DESC_H
#define __CDC_DESC_H
#ifdef __cplusplus
extern "C" {
#endif
#include "cdc_class.h"
#include "usbd_core.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @addtogroup USB_cdc_desc
* @{
*/
/** @defgroup USB_cdc_desc_definition
* @{
*/
/**
* @brief usb bcd number define
*/
#define BCD_NUM 0x0110
/**
* @brief usb vendor id and product id define
*/
#define USBD_VENDOR_ID 0x2E3C
#define USBD_PRODUCT_ID 0x5740
/**
* @brief usb descriptor size define
*/
#define USBD_CONFIG_DESC_SIZE 67
#define USBD_SIZ_STRING_LANGID 4
#define USBD_SIZ_STRING_SERIAL 0x1A
/**
* @brief usb string define(vendor, product configuration, interface)
*/
#define USBD_DESC_MANUFACTURER_STRING "Artery"
#define USBD_DESC_PRODUCT_STRING "AT32 Virtual Com Port "
#define USBD_DESC_CONFIGURATION_STRING "Virtual ComPort Config"
#define USBD_DESC_INTERFACE_STRING "Virtual ComPort Interface"
/**
* @brief usb endpoint interval define
*/
#define HID_BINTERVAL_TIME 0xFF
/**
* @brief usb hid class descriptor define
*/
#define USBD_CDC_CS_INTERFACE 0x24
#define USBD_CDC_CS_ENDPOINT 0x25
/**
* @brief usb hid class sub-type define
*/
#define USBD_CDC_SUBTYPE_HEADER 0x00
#define USBD_CDC_SUBTYPE_CMF 0x01
#define USBD_CDC_SUBTYPE_ACM 0x02
#define USBD_CDC_SUBTYPE_UFD 0x06
/**
* @brief usb mcu id address deine
*/
#define MCU_ID1 (0x1FFFF7E8)
#define MCU_ID2 (0x1FFFF7EC)
#define MCU_ID3 (0x1FFFF7F0)
/**
* @}
*/
extern uint8_t g_usbd_descriptor[USB_DEVICE_DESC_LEN];
extern uint8_t g_usbd_configuration[USBD_CONFIG_DESC_SIZE];
extern usbd_desc_handler desc_handler;
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif