ST STM32F31xx

UM1581
Serial peripheral interface (SPI)
DocID023800 Rev 1
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 SPI_I2S_IT_ERR : Error interrupt mask
 NewState : new state of the specified SPI interrupt. This
parameter can be: ENABLE or DISABLE.
Return values
 None.
Notes
 None.
20.2.11.2 SPI_GetTransmissionFIFOStatus
Function Name
uint16_t SPI_GetTransmissionFIFOStatus ( SPI_TypeDef *
SPIx)
Function Description
Returns the current SPIx Transmission FIFO filled level.
Parameters
 SPIx : where x can be 1, 2 or 3 to select the SPI peripheral.
Return values
 The Transmission FIFO filling state.
 SPI_TransmissionFIFOStatus_Empty: when FIFO is
empty
 SPI_TransmissionFIFOStatus_1QuarterFull: if more
than 1 quarter-full.
 SPI_TransmissionFIFOStatus_HalfFull: if more than
1 half-full.
 SPI_TransmissionFIFOStatus_Full: when FIFO is full.
Notes
 None.
20.2.11.3 SPI_GetReceptionFIFOStatus
Function Name
uint16_t SPI_GetReceptionFIFOStatus ( SPI_TypeDef * SPIx)
Function Description
Returns the current SPIx Reception FIFO filled level.
Parameters
 SPIx : where x can be 1, 2 or 3 to select the SPI peripheral.
Return values
 The Reception FIFO filling state.
 SPI_ReceptionFIFOStatus_Empty: when FIFO is
empty
 SPI_ReceptionFIFOStatus_1QuarterFull: if more than
1 quarter-full.
 SPI_ReceptionFIFOStatus_HalfFull: if more than 1
half-full.
 SPI_ReceptionFIFOStatus_Full: when FIFO is full.