__HAL_CAN_CLEAR_FLAG macro

Clear the specified CAN pending flag.

Syntax

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Declaration

from stm32f4xx_hal_can.h:628

#define __HAL_CAN_CLEAR_FLAG(__HANDLE__, __FLAG__) \ ((((__FLAG__) >> 8U) == 5U)? (((__HANDLE__)->Instance->TSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__FLAG__) >> 8U) == 2U)? (((__HANDLE__)->Instance->RF0R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__FLAG__) >> 8U) == 4U)? (((__HANDLE__)->Instance->RF1R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \ (((__FLAG__) >> 8U) == 1U)? (((__HANDLE__)->Instance->MSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): 0U)

Arguments

Argument

Description

__HANDLE__

specifies the CAN Handle.

__FLAG__

specifies the flag to check. This parameter can be one of the following values: @arg CAN_FLAG_RQCP0: Request complete MailBox 0 Flag @arg CAN_FLAG_TXOK0: Transmission OK MailBox 0 Flag @arg CAN_FLAG_ALST0: Arbitration Lost MailBox 0 Flag @arg CAN_FLAG_TERR0: Transmission error MailBox 0 Flag @arg CAN_FLAG_RQCP1: Request complete MailBox 1 Flag @arg CAN_FLAG_TXOK1: Transmission OK MailBox 1 Flag @arg CAN_FLAG_ALST1: Arbitration Lost MailBox 1 Flag @arg CAN_FLAG_TERR1: Transmission error MailBox 1 Flag @arg CAN_FLAG_RQCP2: Request complete MailBox 2 Flag @arg CAN_FLAG_TXOK2: Transmission OK MailBox 2 Flag @arg CAN_FLAG_ALST2: Arbitration Lost MailBox 2 Flag @arg CAN_FLAG_TERR2: Transmission error MailBox 2 Flag @arg CAN_FLAG_FF0: RX FIFO 0 Full Flag @arg CAN_FLAG_FOV0: RX FIFO 0 Overrun Flag @arg CAN_FLAG_FF1: RX FIFO 1 Full Flag @arg CAN_FLAG_FOV1: RX FIFO 1 Overrun Flag @arg CAN_FLAG_WKUI: Wake up Interrupt Flag @arg CAN_FLAG_SLAKI: Sleep acknowledge Interrupt Flag

__HAL_CAN_CLEAR_FLAG macro

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