ST STM32F31xx

UM1581
Serial peripheral interface (SPI)
DocID023800 Rev 1
413/584
configuration). But in case the prescaler value is greater than
511, the default value (0x02) will be configured instead.
20.2.7.6 SPI_Cmd
Function Name
void SPI_Cmd ( SPI_TypeDef * SPIx, FunctionalState
NewState)
Function Description
Enables or disables the specified SPI peripheral.
Parameters
 SPIx : where x can be 1, 2 or 3 to select the SPI peripheral.
 NewState : new state of the SPIx peripheral. This parameter
can be: ENABLE or DISABLE.
Return values
 None.
Notes
 None.
20.2.7.7 SPI_TIModeCmd
Function Name
void SPI_TIModeCmd ( SPI_TypeDef * SPIx, FunctionalState
NewState)
Function Description
Enables or disables the TI Mode.
Parameters
 SPIx : where x can be 1, 2 or 3 to select the SPI peripheral.
 NewState : new state of the selected SPI TI communication
mode. This parameter can be: ENABLE or DISABLE.
Return values
 None.
Notes
 This function can be called only after the SPI_Init() function
has been called.
 When TI mode is selected, the control bits SSM, SSI, CPOL
and CPHA are not taken into consideration and are
configured by hardware respectively to the TI mode
requirements.