HAL_RCC_GetPCLK1Freq() function

Returns the PCLK1 frequency

Syntax

from stm32f4xx_hal_rcc.h:1258

uint32_t HAL_RCC_GetPCLK1Freq(void);

Implemented in stm32f4xx_hal_rcc.c:952

Return value

PCLK1 frequency

Notes

Each time PCLK1 changes, this function must be called to update the right PCLK1 value. Otherwise, any configuration based on this function will be incorrect.

Examples

HAL_RCC_GetPCLK1Freq() is referenced by 187 libraries and example projects.

References

Location	Referrer	Text
stm32f4xx_hal_rcc.c:952		uint32_t HAL_RCC_GetPCLK1Freq(void)
stm32f4xx_hal_rcc.h:1258		uint32_t HAL_RCC_GetPCLK1Freq(void);
stm32f4xx_hal_i2c.c:508	HAL_I2C_Init()	pclk1 = HAL_RCC_GetPCLK1Freq();
stm32f4xx_hal_irda.c:2663	IRDA_SetConfig()	pclk = HAL_RCC_GetPCLK1Freq();
stm32f4xx_hal_smartcard.c:2341	SMARTCARD_SetConfig()	pclk = HAL_RCC_GetPCLK1Freq();
stm32f4xx_hal_uart.c:3746	UART_SetConfig()	pclk = HAL_RCC_GetPCLK1Freq();
stm32f4xx_hal_usart.c:2813	USART_SetConfig()	pclk = HAL_RCC_GetPCLK1Freq();