rusefi
/
atbetaflight
mirror of https://github.com/rusefi/atbetaflight.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #1992 from jflyper/bfdev-disable-UART-TXDMA-by-default 

F4: Disable UART TX DMA by default
This commit is contained in:
borisbstyle 2017-01-04 11:51:23 +01:00 committed by GitHub
parent d5f5a85897 23a411d25e
commit 6854553a03
1 changed files with 17 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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)
{
@ -357,8 +371,10 @@ 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;