检查APB1外设时钟是否已使能。更多...

宏定义
#define	__HAL_RCC_TIM2_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM2EN) != 0U)
#define	__HAL_RCC_TIM3_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM3EN) != 0U)
#define	__HAL_RCC_TIM4_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM4EN) != 0U)
#define	__HAL_RCC_TIM5_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM5EN) != 0U)
#define	__HAL_RCC_TIM6_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM6EN) != 0U)
#define	__HAL_RCC_TIM7_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM7EN) != 0U)
#define	__HAL_RCC_CRS_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_CRSEN) != 0U)
#define	__HAL_RCC_RTCAPB_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_RTCAPBEN) != 0U)
#define	__HAL_RCC_WWDG_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_WWDGEN) != 0U)
#define	__HAL_RCC_SPI2_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_SPI2EN) != 0U)
#define	__HAL_RCC_SPI3_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_SPI3EN) != 0U)
#define	__HAL_RCC_USART2_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_USART2EN) != 0U)
#define	__HAL_RCC_USART3_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_USART3EN) != 0U)
#define	__HAL_RCC_UART4_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_UART4EN) != 0U)
#define	__HAL_RCC_UART5_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_UART5EN) != 0U)
#define	__HAL_RCC_I2C1_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_I2C1EN) != 0U)
#define	__HAL_RCC_I2C2_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_I2C2EN) != 0U)
#define	__HAL_RCC_USB_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_USBEN) != 0U)
#define	__HAL_RCC_FDCAN_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_FDCANEN) != 0U)
#define	__HAL_RCC_PWR_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN) != 0U)
#define	__HAL_RCC_I2C3_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_I2C3EN) != 0U)
#define	__HAL_RCC_LPTIM1_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_LPTIM1EN) != 0U)
#define	__HAL_RCC_LPUART1_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR2, RCC_APB1ENR2_LPUART1EN) != 0U)
#define	__HAL_RCC_I2C4_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR2, RCC_APB1ENR2_I2C4EN) != 0U)
#define	__HAL_RCC_UCPD1_IS_CLK_ENABLED() (READ_BIT(RCC->APB1ENR2, RCC_APB1ENR2_UCPD1EN) != 0U)
#define	__HAL_RCC_TIM2_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM2EN) == 0U)
#define	__HAL_RCC_TIM3_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM3EN) == 0U)
#define	__HAL_RCC_TIM4_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM4EN) == 0U)
#define	__HAL_RCC_TIM5_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM5EN) == 0U)
#define	__HAL_RCC_TIM6_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM6EN) == 0U)
#define	__HAL_RCC_TIM7_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_TIM7EN) == 0U)
#define	__HAL_RCC_CRS_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_CRSEN) == 0U)
#define	__HAL_RCC_RTCAPB_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_RTCAPBEN) == 0U)
#define	__HAL_RCC_WWDG_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_WWDGEN) == 0U)
#define	__HAL_RCC_SPI2_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_SPI2EN) == 0U)
#define	__HAL_RCC_SPI3_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_SPI3EN) == 0U)
#define	__HAL_RCC_USART2_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_USART2EN) == 0U)
#define	__HAL_RCC_USART3_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_USART3EN) == 0U)
#define	__HAL_RCC_UART4_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_UART4EN) == 0U)
#define	__HAL_RCC_UART5_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_UART5EN) == 0U)
#define	__HAL_RCC_I2C1_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_I2C1EN) == 0U)
#define	__HAL_RCC_I2C2_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_I2C2EN) == 0U)
#define	__HAL_RCC_USB_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_USBEN) == 0U)
#define	__HAL_RCC_FDCAN_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_FDCANEN) == 0U)
#define	__HAL_RCC_PWR_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_PWREN) == 0U)
#define	__HAL_RCC_I2C3_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_I2C3EN) == 0U)
#define	__HAL_RCC_LPTIM1_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR1, RCC_APB1ENR1_LPTIM1EN) == 0U)
#define	__HAL_RCC_LPUART1_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR2, RCC_APB1ENR2_LPUART1EN) == 0U)
#define	__HAL_RCC_I2C4_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR2, RCC_APB1ENR2_I2C4EN) == 0U)
#define	__HAL_RCC_UCPD1_IS_CLK_DISABLED() (READ_BIT(RCC->APB1ENR2, RCC_APB1ENR2_UCPD1EN) == 0U)

详细说明

检查APB1外设时钟是否已使能。

注意：: 复位后，用于寄存器读写访问的外设时钟处于禁用状态，应用软件必须在使用前使能该时钟。

宏定义说明

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#define __HAL_RCC_CRS_IS_CLK_DISABLED (