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Fixed bug #525. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7172 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2014-08-13 14:26:59 +00:00
parent feb5c483c2
commit 80c4c3fd6d
2 changed files with 20 additions and 3 deletions
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9
os/hal/ports/STM32/STM32F30x/hal_lld.c
View File

@ -170,9 +170,6 @@ void stm32_clock_init(void) {
STM32_PLLSRC | STM32_PPRE1 | STM32_PPRE2 |
STM32_HPRE;
RCC->CFGR2 = STM32_ADC34PRES | STM32_ADC12PRES | STM32_PREDIV;
RCC->CFGR3 = STM32_UART5SW | STM32_UART4SW | STM32_USART3SW |
STM32_USART2SW | STM32_TIM8SW | STM32_TIM1SW |
STM32_I2C2SW | STM32_I2C1SW | STM32_USART1SW;
#if STM32_ACTIVATE_PLL
/* PLL activation.*/
@ -181,6 +178,12 @@ void stm32_clock_init(void) {
; /* Waits until PLL is stable. */
#endif
/* After PLL activation because the special requirements for TIM1 and
TIM8 bits.*/
RCC->CFGR3 = STM32_UART5SW | STM32_UART4SW | STM32_USART3SW |
STM32_USART2SW | STM32_TIM8SW | STM32_TIM1SW |
STM32_I2C2SW | STM32_I2C1SW | STM32_USART1SW;
/* Flash setup and final clock selection. */
FLASH->ACR = STM32_FLASHBITS;

14
os/hal/ports/STM32/STM32F30x/hal_lld.h
View File

@ -1017,8 +1017,15 @@
*/
#if STM32_TIM1SW == STM32_TIM1SW_PCLK2
#define STM32_TIM1CLK STM32_PCLK2
#elif STM32_TIM1SW == STM32_TIM1SW_PLLX2
#if (STM32_SW != STM32_SW_PLL) || \
(STM32_HPRE != STM32_HPRE_DIV1) || \
(STM32_PPRE2 != STM32_PPRE2_DIV2)
#error "double clock mode cannot be activated for TIM1 under the current settings"
#endif
#define STM32_TIM1CLK (STM32_PLLCLKOUT * 2)
#else
#error "invalid source selected for TIM1 clock"
#endif
@ -1028,8 +1035,15 @@
*/
#if STM32_TIM8SW == STM32_TIM8SW_PCLK2
#define STM32_TIM8CLK STM32_PCLK2
#elif STM32_TIM8SW == STM32_TIM8SW_PLLX2
#if (STM32_SW != STM32_SW_PLL) || \
(STM32_HPRE != STM32_HPRE_DIV1) || \
(STM32_PPRE2 != STM32_PPRE2_DIV2)
#error "double clock mode cannot be activated for TIM8 under the current settings"
#endif
#define STM32_TIM8CLK (STM32_PLLCLKOUT * 2)
#else
#error "invalid source selected for TIM8 clock"
#endif