STM CMSIS
Macros
AHB1 Peripheral Clock Enable Disable Status
STM32F4xx_HAL_Driver » RCC » RCC Exported Macros

Get the enable or disable status of the AHB1 peripheral clock. More...

Macros

#define __HAL_RCC_GPIOA_IS_CLK_ENABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOAEN)) != RESET)
 
#define __HAL_RCC_GPIOB_IS_CLK_ENABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOBEN)) != RESET)
 
#define __HAL_RCC_GPIOC_IS_CLK_ENABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOCEN)) != RESET)
 
#define __HAL_RCC_GPIOH_IS_CLK_ENABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOHEN)) != RESET)
 
#define __HAL_RCC_DMA1_IS_CLK_ENABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA1EN)) != RESET)
 
#define __HAL_RCC_DMA2_IS_CLK_ENABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA2EN)) != RESET)
 
#define __HAL_RCC_GPIOA_IS_CLK_DISABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOAEN)) == RESET)
 
#define __HAL_RCC_GPIOB_IS_CLK_DISABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOBEN)) == RESET)
 
#define __HAL_RCC_GPIOC_IS_CLK_DISABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOCEN)) == RESET)
 
#define __HAL_RCC_GPIOH_IS_CLK_DISABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_GPIOHEN)) == RESET)
 
#define __HAL_RCC_DMA1_IS_CLK_DISABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA1EN)) == RESET)
 
#define __HAL_RCC_DMA2_IS_CLK_DISABLED()   ((RCC->AHB1ENR &(RCC_AHB1ENR_DMA2EN)) == RESET)
 

Detailed Description

Get the enable or disable status of the AHB1 peripheral clock.

Note
After reset, the peripheral clock (used for registers read/write access) is disabled and the application software has to enable this clock before using it.