Mirror/betaflight
1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-15 12:25:20 +03:00
Code Issues Wiki Activity

Remove stale DMA service function (#8636)

Browse source 
Remove stale DMA service function
This commit is contained in:
Michael Keller 2019-08-02 08:41:25 +12:00 • committed by GitHub
commit ae9d41d9f8
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 0 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/main/drivers/bus_spi_hal.c
View file

@ -220,47 +220,5 @@ void dmaSPIIRQHandler(dmaChannelDescriptor_t* descriptor)
if (device != SPIINVALID)
HAL_DMA_IRQHandler(&spiDevice[device].hdma);
}
DMA_HandleTypeDef* spiSetDMATransmit(DMA_Stream_TypeDef *Stream, uint32_t Channel, SPI_TypeDef *Instance, uint8_t *pData, uint16_t Size)
{
SPIDevice device = spiDeviceByInstance(Instance);
spiDevice_t *spi = &(spiDevice[device]);
spi->hdma.Instance = Stream;
#if !defined(STM32H7)
spi->hdma.Init.Channel = Channel;
#else
UNUSED(Channel);
#endif
spi->hdma.Init.Direction = DMA_MEMORY_TO_PERIPH;
spi->hdma.Init.PeriphInc = DMA_PINC_DISABLE;
spi->hdma.Init.MemInc = DMA_MINC_ENABLE;
spi->hdma.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
spi->hdma.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
spi->hdma.Init.Mode = DMA_NORMAL;
spi->hdma.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
spi->hdma.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_1QUARTERFULL;
spi->hdma.Init.PeriphBurst = DMA_PBURST_SINGLE;
spi->hdma.Init.MemBurst = DMA_MBURST_SINGLE;
spi->hdma.Init.Priority = DMA_PRIORITY_LOW;
HAL_DMA_DeInit(&spi->hdma);
HAL_DMA_Init(&spi->hdma);
__HAL_DMA_ENABLE(&spi->hdma);
__HAL_SPI_ENABLE(&spi->hspi);
/* Associate the initialized DMA handle to the spi handle */
__HAL_LINKDMA(&spi->hspi, hdmatx, spi->hdma);
// DMA TX Interrupt
dmaSetHandler(spi->dmaIrqHandler, dmaSPIIRQHandler, NVIC_BUILD_PRIORITY(3, 0), (uint32_t)device);
//HAL_CLEANCACHE(pData,Size);
// And Transmit
HAL_SPI_Transmit_DMA(&spi->hspi, pData, Size);
return &spi->hdma;
}
#endif // USE_DMA
#endif