Extended Clock management functions. More...

Functions
HAL_StatusTypeDef	HAL_RCCEx_EnablePLLSAI1 (RCC_PLLSAI1InitTypeDef *PLLSAI1Init)
	Enable PLLSAI1.
HAL_StatusTypeDef	HAL_RCCEx_DisablePLLSAI1 (void)
	Disable PLLSAI1.
void	HAL_RCCEx_WakeUpStopCLKConfig (uint32_t WakeUpClk)
	Configure the oscillator clock source for wakeup from Stop and CSS backup clock.
void	HAL_RCCEx_StandbyMSIRangeConfig (uint32_t MSIRange)
	Configure the MSI range after standby mode.
void	HAL_RCCEx_EnableLSECSS (void)
	Enable the LSE Clock Security System.
void	HAL_RCCEx_DisableLSECSS (void)
	Disable the LSE Clock Security System.
void	HAL_RCCEx_EnableLSECSS_IT (void)
	Enable the LSE Clock Security System Interrupt & corresponding EXTI line.
void	HAL_RCCEx_LSECSS_IRQHandler (void)
	Handle the RCC LSE Clock Security System interrupt request.
__weak void	HAL_RCCEx_LSECSS_Callback (void)
	RCCEx LSE Clock Security System interrupt callback.
void	HAL_RCCEx_EnableLSCO (uint32_t LSCOSource)
	Select the Low Speed clock source to output on LSCO pin (PA2).
void	HAL_RCCEx_DisableLSCO (void)
	Disable the Low Speed clock output.
void	HAL_RCCEx_EnableMSIPLLMode (void)
	Enable the PLL-mode of the MSI.
void	HAL_RCCEx_DisableMSIPLLMode (void)
	Disable the PLL-mode of the MSI.

Detailed Description

Extended Clock management functions.

 ===============================================================================
                ##### Extended clock management functions  #####
 ===============================================================================
    [..]
    This subsection provides a set of functions allowing to control the
    activation or deactivation of MSI PLL-mode, PLLSAI1, PLLSAI2, LSE CSS,
    Low speed clock output and clock after wake-up from STOP mode.

Function Documentation

void HAL_RCCEx_DisableLSCO ( void )

Disable the Low Speed clock output.

Return values:

None

Definition at line 2450 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_PWR_CLK_DISABLE, __HAL_RCC_PWR_CLK_ENABLE, __HAL_RCC_PWR_IS_CLK_DISABLED, HAL_PWR_DisableBkUpAccess(), and HAL_PWR_EnableBkUpAccess().

void HAL_RCCEx_DisableLSECSS ( void )

Disable the LSE Clock Security System.

Note:: LSE Clock Security System can only be disabled after a LSE failure detection.

Return values:

None

Definition at line 2341 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_DISABLE_IT, and RCC_IT_LSECSS.

void HAL_RCCEx_DisableMSIPLLMode ( void )

Disable the PLL-mode of the MSI.

Note:: PLL-mode of the MSI is automatically reset when LSE oscillator is disabled.

Return values:

None

Definition at line 2498 of file stm32l4xx_hal_rcc_ex.c.

HAL_StatusTypeDef HAL_RCCEx_DisablePLLSAI1 ( void )

Disable PLLSAI1.

Return values:

HAL status

Definition at line 2122 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_PLLSAI1_DISABLE, __HAL_RCC_PLLSAI1CLKOUT_DISABLE, HAL_GetTick(), PLLSAI1_TIMEOUT_VALUE, and RCC_PLLSOURCE_NONE.

void HAL_RCCEx_EnableLSCO ( uint32_t LSCOSource )

Select the Low Speed clock source to output on LSCO pin (PA2).

Parameters:

LSCOSource

specifies the Low Speed clock source to output. This parameter can be one of the following values:

RCC_LSCOSOURCE_LSI LSI clock selected as LSCO source
RCC_LSCOSOURCE_LSE LSE clock selected as LSCO source

Return values:

None

Definition at line 2403 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_PWR_CLK_DISABLE, __HAL_RCC_PWR_CLK_ENABLE, __HAL_RCC_PWR_IS_CLK_DISABLED, __LSCO_CLK_ENABLE, assert_param, GPIO_MODE_ANALOG, GPIO_NOPULL, GPIO_SPEED_FREQ_HIGH, HAL_GPIO_Init(), HAL_PWR_DisableBkUpAccess(), HAL_PWR_EnableBkUpAccess(), IS_RCC_LSCOSOURCE, LSCO_GPIO_PORT, LSCO_PIN, GPIO_InitTypeDef::Mode, GPIO_InitTypeDef::Pin, GPIO_InitTypeDef::Pull, and GPIO_InitTypeDef::Speed.

void HAL_RCCEx_EnableLSECSS ( void )

Enable the LSE Clock Security System.

Note:: Prior to enable the LSE Clock Security System, LSE oscillator is to be enabled with HAL_RCC_OscConfig() and the LSE oscillator clock is to be selected as RTC clock with HAL_RCCEx_PeriphCLKConfig().

Return values:

None

Definition at line 2331 of file stm32l4xx_hal_rcc_ex.c.

void HAL_RCCEx_EnableLSECSS_IT ( void )

Enable the LSE Clock Security System Interrupt & corresponding EXTI line.

Note:: LSE Clock Security System Interrupt is mapped on RTC EXTI line 19

Return values:

None

Definition at line 2354 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_ENABLE_IT, __HAL_RCC_LSECSS_EXTI_ENABLE_IT, __HAL_RCC_LSECSS_EXTI_ENABLE_RISING_EDGE, and RCC_IT_LSECSS.

void HAL_RCCEx_EnableMSIPLLMode ( void )

Enable the PLL-mode of the MSI.

Note:: Prior to enable the PLL-mode of the MSI for automatic hardware calibration LSE oscillator is to be enabled with HAL_RCC_OscConfig().

Return values:

None

Definition at line 2488 of file stm32l4xx_hal_rcc_ex.c.

HAL_StatusTypeDef HAL_RCCEx_EnablePLLSAI1 ( RCC_PLLSAI1InitTypeDef * PLLSAI1Init )

Enable PLLSAI1.

Parameters:

PLLSAI1Init pointer to an RCC_PLLSAI1InitTypeDef structure that contains the configuration information for the PLLSAI1

Return values:

HAL status

Definition at line 2054 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_PLLSAI1_CONFIG, __HAL_RCC_PLLSAI1_DISABLE, __HAL_RCC_PLLSAI1_ENABLE, __HAL_RCC_PLLSAI1CLKOUT_ENABLE, assert_param, 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, and RCC_PLLSAI1InitTypeDef::PLLSAI1Source.

void HAL_RCCEx_LSECSS_Callback ( void )

RCCEx LSE Clock Security System interrupt callback.

Return values:

none

Definition at line 2388 of file stm32l4xx_hal_rcc_ex.c.

Referenced by HAL_RCCEx_LSECSS_IRQHandler().

void HAL_RCCEx_LSECSS_IRQHandler ( void )

Handle the RCC LSE Clock Security System interrupt request.

Return values:

None

Definition at line 2371 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_CLEAR_IT, __HAL_RCC_GET_IT, HAL_RCCEx_LSECSS_Callback(), and RCC_IT_LSECSS.

void HAL_RCCEx_StandbyMSIRangeConfig ( uint32_t MSIRange )

Configure the MSI range after standby mode.

Note:: After Standby its frequency can be selected between 4 possible values (1, 2, 4 or 8 MHz).

Parameters:

MSIRange

MSI range This parameter can be one of the following values:

RCC_MSIRANGE_4 Range 4 around 1 MHz
RCC_MSIRANGE_5 Range 5 around 2 MHz
RCC_MSIRANGE_6 Range 6 around 4 MHz (reset value)
RCC_MSIRANGE_7 Range 7 around 8 MHz

Return values:

None

Definition at line 2317 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_MSI_STANDBY_RANGE_CONFIG, assert_param, and IS_RCC_MSI_STANDBY_CLOCK_RANGE.

void HAL_RCCEx_WakeUpStopCLKConfig ( uint32_t WakeUpClk )

Configure the oscillator clock source for wakeup from Stop and CSS backup clock.

Parameters:

WakeUpClk

Wakeup clock This parameter can be one of the following values:

RCC_STOP_WAKEUPCLOCK_MSI MSI oscillator selection
RCC_STOP_WAKEUPCLOCK_HSI HSI oscillator selection

Note:: This function shall not be called after the Clock Security System on HSE has been enabled.

Return values:

None

Definition at line 2299 of file stm32l4xx_hal_rcc_ex.c.

References __HAL_RCC_WAKEUPSTOP_CLK_CONFIG, assert_param, and IS_RCC_STOP_WAKEUPCLOCK.

Functions

Detailed Description

Function Documentation