yemai/bizhang_-obav
1
0
Fork 0
mirror of https://gitee.com/xiaohuolufeihua/bizhang_-obav.git synced 2026-05-22 01:12:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

Finishes the PWM driver for the STM32

Browse Source 
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4206 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2011-12-20 18:28:50 +00:00
parent 025c867f10
commit 5a714f6d99
9 changed files with 119 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
nuttx/configs/stm3240g-eval/include/board.h
View File

@@ -126,14 +126,34 @@
/* APB1 clock (PCLK1) is HCLK/4 (42MHz) */
#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd4 /* PCLK1 = HCLK / 4 */
#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd4 /* PCLK1 = HCLK / 4 */
#define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/4)
/* Timers driven from APB1 will be twice PCLK1 */
#define STM32_APB1_TIM2_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM3_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM4_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM5_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM6_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM7_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM12_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM13_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM14_CLKIN (2*STM32_PCLK1_FREQUENCY)
/* APB2 clock (PCLK2) is HCLK/2 (84MHz) */
#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLKd2 /* PCLK2 = HCLK / 2 */
#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLKd2 /* PCLK2 = HCLK / 2 */
#define STM32_PCLK2_FREQUENCY (STM32_HCLK_FREQUENCY/2)
/* Timers driven from APB12will be twice PCLK2 */
#define STM32_APB2_TIM1_CLKIN (2*STM32_PCLK2_FREQUENCY)
#define STM32_APB2_TIM8_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB2_TIM9_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB2_TIM10_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB2_TIM11_CLKIN (2*STM32_PCLK1_FREQUENCY)
/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,8 are on APB2, others on APB1