SPI_CHECK_FLAG macro

Check whether the specified SPI flag is set or not.

Syntax

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Declaration

from stm32f4xx_hal_spi.h:507

#define SPI_CHECK_FLAG(__SR__, __FLAG__) ((((__SR__) & ((__FLAG__) & SPI_FLAG_MASK)) == \ ((__FLAG__) & SPI_FLAG_MASK)) ? SET : RESET)

Arguments

Argument

Description

__SR__

copy of SPI SR register.

__FLAG__

specifies the flag to check. This parameter can be one of the following values: @arg SPI_FLAG_RXNE: Receive buffer not empty flag @arg SPI_FLAG_TXE: Transmit buffer empty flag @arg SPI_FLAG_CRCERR: CRC error flag @arg SPI_FLAG_MODF: Mode fault flag @arg SPI_FLAG_OVR: Overrun flag @arg SPI_FLAG_BSY: Busy flag @arg SPI_FLAG_FRE: Frame format error flag

SPI_CHECK_FLAG macro

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Arguments

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