Macros
#define	__HAL_RCC_I2C1_CONFIG(__I2C1CLKSOURCE__) MODIFY_REG(RCC->CFGR3, RCC_CFGR3_I2C1SW, (uint32_t)(__I2C1CLKSOURCE__))
	Macro to configure the I2C1 clock (I2C1CLK).

#define	__HAL_RCC_GET_I2C1_SOURCE() ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_I2C1SW)))
	Macro to get the I2C1 clock source.

Detailed Description

Macro Definition Documentation

#define __HAL_RCC_GET_I2C1_SOURCE ( ) ((uint32_t)(READ_BIT(RCC->CFGR3, RCC_CFGR3_I2C1SW)))

Macro to get the I2C1 clock source.

Return values

The	clock source can be one of the following values: RCC_I2C1CLKSOURCE_HSI HSI selected as I2C1 clock RCC_I2C1CLKSOURCE_SYSCLK System Clock selected as I2C1 clock

#define __HAL_RCC_I2C1_CONFIG ( __I2C1CLKSOURCE__ ) MODIFY_REG(RCC->CFGR3, RCC_CFGR3_I2C1SW, (uint32_t)(__I2C1CLKSOURCE__))

Macro to configure the I2C1 clock (I2C1CLK).

Parameters

__I2C1CLKSOURCE__

specifies the I2C1 clock source. This parameter can be one of the following values: