RCCEx Private Functions

Functions
static HAL_StatusTypeDef	RCCEx_PLLSAI1_Config (RCC_PLLSAI1InitTypeDef *PllSai1, uint32_t Divider)
	Configure the parameters N & P & optionally M of PLLSAI1 and enable PLLSAI1 output clock(s).
static uint32_t	RCCEx_GetSAIxPeriphCLKFreq (uint32_t PeriphClk, uint32_t InputFrequency)

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Function Documentation

static uint32_t RCCEx_GetSAIxPeriphCLKFreq	(	uint32_t	PeriphClk,
		uint32_t	InputFrequency
	)		[static]

Definition at line 3305 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_GET_PLLCLKOUT_CONFIG, __HAL_RCC_GET_PLLSAI1CLKOUT_CONFIG, __HAL_RCC_GET_SAI1_SOURCE, EXTERNAL_SAI1_CLOCK_VALUE, EXTERNAL_SAI2_CLOCK_VALUE, HSI_VALUE, RCC_PERIPHCLK_SAI1, RCC_PLL_SAI2CLK, RCC_PLLSAI1_SAI1CLK, RCC_SAI1CLKSOURCE_PIN, RCC_SAI1CLKSOURCE_PLL, and RCC_SAI1CLKSOURCE_PLLSAI1.

Referenced by HAL_RCCEx_GetPeriphCLKFreq().

static HAL_StatusTypeDef RCCEx_PLLSAI1_Config	(	RCC_PLLSAI1InitTypeDef *	PllSai1,
		uint32_t	Divider
	)		[static]

Configure the parameters N & P & optionally M of PLLSAI1 and enable PLLSAI1 output clock(s).

Parameters:

PllSai1	pointer to an RCC_PLLSAI1InitTypeDef structure that contains the configuration parameters N & P & optionally M as well as PLLSAI1 output clock(s)
Divider	divider parameter to be updated

Note:

PLLSAI1 is temporary disable to apply new parameters

Return values:

HAL

status

Definition at line 2903 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_GET_PLL_OSCSOURCE, __HAL_RCC_PLLSAI1_DISABLE, __HAL_RCC_PLLSAI1_ENABLE, __HAL_RCC_PLLSAI1CLKOUT_ENABLE, assert_param, DIVIDER_P_UPDATE, DIVIDER_Q_UPDATE, HAL_GetTick(), IS_RCC_PLLSAI1CLOCKOUT_VALUE, IS_RCC_PLLSAI1M_VALUE, IS_RCC_PLLSAI1N_VALUE, IS_RCC_PLLSAI1P_VALUE, IS_RCC_PLLSAI1Q_VALUE, IS_RCC_PLLSAI1R_VALUE, IS_RCC_PLLSAI1SOURCE, PLLSAI1_TIMEOUT_VALUE, RCC_PLLSAI1InitTypeDef::PLLSAI1ClockOut, RCC_PLLSAI1InitTypeDef::PLLSAI1M, RCC_PLLSAI1InitTypeDef::PLLSAI1N, RCC_PLLSAI1InitTypeDef::PLLSAI1P, RCC_PLLSAI1InitTypeDef::PLLSAI1Q, RCC_PLLSAI1InitTypeDef::PLLSAI1R, RCC_PLLSAI1InitTypeDef::PLLSAI1Source, RCC_PLLSOURCE_HSE, RCC_PLLSOURCE_HSI, RCC_PLLSOURCE_MSI, and RCC_PLLSOURCE_NONE.

Referenced by HAL_RCCEx_PeriphCLKConfig().