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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-07-22 20:26:22 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-07-22 20:26:22 +0000 |
| commit | 0ce4d551dfd5c15c6908c78c7cd48000454f726d (patch) | |
| tree | cb187402dd12b3b6ffb33f6a792591281d3987d0 /os/hal/platforms/STM32/spi_lld.c | |
| parent | 99badd54946920ee69966f6a92d4b4134e4ba9a5 (diff) | |
| download | ChibiOS-0ce4d551dfd5c15c6908c78c7cd48000454f726d.tar.gz ChibiOS-0ce4d551dfd5c15c6908c78c7cd48000454f726d.tar.bz2 ChibiOS-0ce4d551dfd5c15c6908c78c7cd48000454f726d.zip | |
Optimization to the STM32 SPI driver.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2081 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32/spi_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/spi_lld.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/os/hal/platforms/STM32/spi_lld.c b/os/hal/platforms/STM32/spi_lld.c index 265669ee1..0dc47a81e 100644 --- a/os/hal/platforms/STM32/spi_lld.c +++ b/os/hal/platforms/STM32/spi_lld.c @@ -294,15 +294,15 @@ void spi_lld_start(SPIDriver *spip) { RCC->APB1ENR |= RCC_APB1ENR_SPI3EN;
}
#endif
+
+ /* DMA setup.*/
+ spip->spd_dmarx->CPAR = (uint32_t)&spip->spd_spi->DR;
+ spip->spd_dmatx->CPAR = (uint32_t)&spip->spd_spi->DR;
}
/* SPI setup.*/
spip->spd_spi->CR1 = spip->spd_config->spc_cr1 | SPI_CR1_MSTR;
spip->spd_spi->CR2 = SPI_CR2_SSOE | SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN;
-
- /* DMA setup.*/
- spip->spd_dmarx->CPAR = (uint32_t)&spip->spd_spi->DR;
- spip->spd_dmatx->CPAR = (uint32_t)&spip->spd_spi->DR;
}
/**
|