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HAL_ChibiOS: fixed channel selection for F4/F7 uart driver

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This commit is contained in:
Andrew Tridgell 2019-02-18 10:11:35 +11:00
parent a9b3f32fc8
commit dad1774330
1 changed files with 2 additions and 4 deletions
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6
libraries/AP_HAL_ChibiOS/UARTDriver.cpp
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@ -284,8 +284,7 @@ void UARTDriver::begin(uint32_t b, uint16_t rxS, uint16_t txS)
//Start DMA
if(!was_initialised) {
uint32_t dmamode = STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
dmamode |= STM32_DMA_CR_CHSEL(STM32_DMA_GETCHANNEL(sdef.dma_rx_stream_id,
sdef.dma_rx_channel_id));
dmamode |= STM32_DMA_CR_CHSEL(sdef.dma_rx_channel_id);
dmamode |= STM32_DMA_CR_PL(0);
dmaStreamSetMemory0(rxdma, rx_bounce_buf);
dmaStreamSetTransactionSize(rxdma, RX_BOUNCE_BUFSIZE);
@ -734,8 +733,7 @@ void UARTDriver::write_pending_bytes_DMA(uint32_t n)
dmaStreamSetMemory0(txdma, tx_bounce_buf);
dmaStreamSetTransactionSize(txdma, tx_len);
uint32_t dmamode = STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE;
dmamode |= STM32_DMA_CR_CHSEL(STM32_DMA_GETCHANNEL(sdef.dma_tx_stream_id,
sdef.dma_tx_channel_id));
dmamode |= STM32_DMA_CR_CHSEL(sdef.dma_tx_channel_id);
dmamode |= STM32_DMA_CR_PL(0);
dmaStreamSetMode(txdma, dmamode | STM32_DMA_CR_DIR_M2P |
STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE);