DMA transfers management functions.
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Functions |
| void | SPI_I2S_DMACmd (SPI_TypeDef *SPIx, uint16_t SPI_I2S_DMAReq, FunctionalState NewState) |
| | Enables or disables the SPIx/I2Sx DMA interface.
|
Detailed Description
DMA transfers management functions.
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DMA transfers management functions
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Function Documentation
| void SPI_I2S_DMACmd |
( |
SPI_TypeDef * |
SPIx, |
|
|
uint16_t |
SPI_I2S_DMAReq, |
|
|
FunctionalState |
NewState | |
|
) |
| | |
Enables or disables the SPIx/I2Sx DMA interface.
- Parameters:
-
| SPIx,: | To select the SPIx/I2Sx peripheral, where x can be: 1, 2 or 3 in SPI mode or 2 or 3 in I2S mode or I2Sxext for I2S full duplex mode. |
| SPI_I2S_DMAReq,: | specifies the SPI DMA transfer request to be enabled or disabled. This parameter can be any combination of the following values:
- SPI_I2S_DMAReq_Tx: Tx buffer DMA transfer request
- SPI_I2S_DMAReq_Rx: Rx buffer DMA transfer request
|
| NewState,: | new state of the selected SPI DMA transfer request. This parameter can be: ENABLE or DISABLE. |
- Return values:
-
