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This commit is contained in:
Attila Body 2020-02-10 15:06:45 +01:00
parent 90d89c7fbe
commit 49383b1b32
68 changed files with 3385 additions and 610 deletions
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23
Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c
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@ -220,7 +220,7 @@ __weak HAL_StatusTypeDef HAL_RCC_DeInit(void)
*/
__weak HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
{
uint32_t tickstart;
uint32_t tickstart, pll_config;
/* Check Null pointer */
if(RCC_OscInitStruct == NULL)
@ -531,7 +531,24 @@ __weak HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruc
}
else
{
return HAL_ERROR;
/* Check if there is a request to disable the PLL used as System clock source */
if((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_OFF)
{
return HAL_ERROR;
}
else
{
/* Do not return HAL_ERROR if request repeats the current configuration */
pll_config = RCC->CFGR;
if((READ_BIT(pll_config, RCC_PLLCFGR_PLLSRC) != RCC_OscInitStruct->PLL.PLLSource) ||
(READ_BIT(pll_config, RCC_PLLCFGR_PLLM) != RCC_OscInitStruct->PLL.PLLM) ||
(READ_BIT(pll_config, RCC_PLLCFGR_PLLN) != RCC_OscInitStruct->PLL.PLLN) ||
(READ_BIT(pll_config, RCC_PLLCFGR_PLLP) != RCC_OscInitStruct->PLL.PLLP) ||
(READ_BIT(pll_config, RCC_PLLCFGR_PLLQ) != RCC_OscInitStruct->PLL.PLLQ))
{
return HAL_ERROR;
}
}
}
}
return HAL_OK;
@ -693,7 +710,7 @@ HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, ui
SystemCoreClock = HAL_RCC_GetSysClockFreq() >> AHBPrescTable[(RCC->CFGR & RCC_CFGR_HPRE)>> RCC_CFGR_HPRE_Pos];
/* Configure the source of time base considering new system clocks settings */
HAL_InitTick (TICK_INT_PRIORITY);
HAL_InitTick (uwTickPrio);
return HAL_OK;
}