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Code Issues Wiki Activity

Merge pull request #1036 from jflyper/inav-disable-tx-dma-by-default

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F1 & F4 : Disable UART TX DMA by default
This commit is contained in:
Konstantin Sharlaimov 2017-01-04 23:47:51 +10:00 • committed by GitHub
commit 1f5544876a
2 changed files with 31 additions and 1 deletions
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14
src/main/drivers/serial_uart_stm32f10x.c
View file

@ -76,6 +76,7 @@ void uartIrqCallback(uartPort_t *s)
}
}
#ifdef USE_UART1_TX_DMA
// USART1 Tx DMA Handler
void uart_tx_dma_IRQHandler(dmaChannelDescriptor_t* descriptor)
{
@ -88,6 +89,7 @@ void uart_tx_dma_IRQHandler(dmaChannelDescriptor_t* descriptor)
else
s->txDMAEmpty = true;
}
#endif
#ifdef USE_UART1
// USART1 - Telemetry (RX/TX by DMA)
@ -114,8 +116,10 @@ uartPort_t *serialUART1(uint32_t baudRate, portMode_t mode, portOptions_t option
s->rxDMAChannel = DMA1_Channel5;
s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
#endif
#ifdef USE_UART1_TX_DMA
s->txDMAChannel = DMA1_Channel4;
s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
#endif
RCC_ClockCmd(RCC_APB2(USART1), ENABLE);
RCC_ClockCmd(RCC_AHB(DMA1), ENABLE);
@ -137,8 +141,10 @@ uartPort_t *serialUART1(uint32_t baudRate, portMode_t mode, portOptions_t option
}
}
#ifdef USE_UART1_TX_DMA
// DMA TX Interrupt
dmaSetHandler(DMA1_CH4_HANDLER, uart_tx_dma_IRQHandler, NVIC_PRIO_SERIALUART1_TXDMA, (uint32_t)&uartPort1);
#endif
#ifndef USE_UART1_RX_DMA
// RX/TX Interrupt
@ -185,8 +191,12 @@ uartPort_t *serialUART2(uint32_t baudRate, portMode_t mode, portOptions_t option
s->USARTx = USART2;
#ifdef USE_UART2_TX_DMA
s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
#endif
#ifdef USE_UART2_RX_DMA
s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
#endif
RCC_ClockCmd(RCC_APB1(USART2), ENABLE);
RCC_ClockCmd(RCC_AHB(DMA1), ENABLE);
@ -250,8 +260,12 @@ uartPort_t *serialUART3(uint32_t baudRate, portMode_t mode, portOptions_t option
s->USARTx = USART3;
#ifdef USE_UART3_TX_DMA
s->txDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
#endif
#ifdef USE_UART3_RX_DMA
s->rxDMAPeripheralBaseAddr = (uint32_t)&s->USARTx->DR;
#endif
RCC_ClockCmd(RCC_APB1(USART3), ENABLE);

18
src/main/drivers/serial_uart_stm32f4xx.c
View file

@ -67,9 +67,11 @@ typedef struct uartDevice_s {
static uartDevice_t uart1 =
{
.DMAChannel = DMA_Channel_4,
.txDMAStream = DMA2_Stream7,
#ifdef USE_UART1_RX_DMA
.rxDMAStream = DMA2_Stream5,
#endif
#ifdef USE_UART1_TX_DMA
.txDMAStream = DMA2_Stream7,
#endif
.dev = USART1,
.rx = IO_TAG(UART1_RX_PIN),
@ -93,7 +95,9 @@ static uartDevice_t uart2 =
#ifdef USE_UART2_RX_DMA
.rxDMAStream = DMA1_Stream5,
#endif
#ifdef USE_UART2_TX_DMA
.txDMAStream = DMA1_Stream6,
#endif
.dev = USART2,
.rx = IO_TAG(UART2_RX_PIN),
.tx = IO_TAG(UART2_TX_PIN),
@ -116,7 +120,9 @@ static uartDevice_t uart3 =
#ifdef USE_UART3_RX_DMA
.rxDMAStream = DMA1_Stream1,
#endif
#ifdef USE_UART3_TX_DMA
.txDMAStream = DMA1_Stream3,
#endif
.dev = USART3,
.rx = IO_TAG(UART3_RX_PIN),
.tx = IO_TAG(UART3_TX_PIN),
@ -139,7 +145,9 @@ static uartDevice_t uart4 =
#ifdef USE_UART4_RX_DMA
.rxDMAStream = DMA1_Stream2,
#endif
#ifdef USE_UART4_TX_DMA
.txDMAStream = DMA1_Stream4,
#endif
.dev = UART4,
.rx = IO_TAG(UART4_RX_PIN),
.tx = IO_TAG(UART4_TX_PIN),
@ -162,7 +170,9 @@ static uartDevice_t uart5 =
#ifdef USE_UART5_RX_DMA
.rxDMAStream = DMA1_Stream0,
#endif
#ifdef USE_UART5_TX_DMA
.txDMAStream = DMA1_Stream7,
#endif
.dev = UART5,
.rx = IO_TAG(UART5_RX_PIN),
.tx = IO_TAG(UART5_TX_PIN),
@ -185,7 +195,9 @@ static uartDevice_t uart6 =
#ifdef USE_UART6_RX_DMA
.rxDMAStream = DMA2_Stream1,
#endif
#ifdef USE_UART6_RX_DMA
.txDMAStream = DMA2_Stream6,
#endif
.dev = USART6,
.rx = IO_TAG(UART6_RX_PIN),
.tx = IO_TAG(UART6_TX_PIN),
@ -260,6 +272,7 @@ void uartIrqHandler(uartPort_t *s)
}
}
#if defined(USE_UART1_TX_DMA) || defined(USE_UART2_TX_DMA) || defined(USE_UART3_TX_DMA) || defined(USE_UART4_TX_DMA) || defined(USE_UART5_TX_DMA) || defined(USE_UART6_TX_DMA)
static void handleUsartTxDma(uartPort_t *s)
{
DMA_Cmd(s->txDMAStream, DISABLE);
@ -292,6 +305,7 @@ void dmaIRQHandler(dmaChannelDescriptor_t* descriptor)
DMA_CLEAR_FLAG(descriptor, DMA_IT_DMEIF);
}
}
#endif
uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, portOptions_t options)
{
@ -350,8 +364,10 @@ uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, po
}
}
#if defined(USE_UART1_TX_DMA) || defined(USE_UART2_TX_DMA) || defined(USE_UART3_TX_DMA) || defined(USE_UART4_TX_DMA) || defined(USE_UART5_TX_DMA) || defined(USE_UART6_TX_DMA)
// DMA TX Interrupt
dmaSetHandler(uart->txIrq, dmaIRQHandler, uart->txPriority, (uint32_t)uart);
#endif
if (!(s->rxDMAChannel)) {
NVIC_InitStructure.NVIC_IRQChannel = uart->rxIrq;