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Code Issues Wiki Activity

Fix DMA transmit

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This commit is contained in:
Sami Korhonen 2016-10-09 09:48:29 +03:00
parent a70da02c58
commit bf162b0730
2 changed files with 6 additions and 15 deletions
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9
src/main/drivers/serial_uart_hal.c
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@ -85,8 +85,6 @@ static void uartReconfigure(uartPort_t *uartPort)
if (uartPort->port.mode & MODE_TX)
uartPort->Handle.Init.Mode |= UART_MODE_TX;
SET_BIT(uartPort->USARTx->CR3, USART_CR3_OVRDIS);
usartConfigurePinInversion(uartPort);
@ -131,7 +129,6 @@ static void uartReconfigure(uartPort_t *uartPort)
}
else
{
//__HAL_UART_ENABLE_IT(&s->Handle, UART_IT_RXNE);
/* Enable the UART Parity Error Interrupt */
SET_BIT(uartPort->USARTx->CR1, USART_CR1_PEIE);
@ -140,7 +137,6 @@ static void uartReconfigure(uartPort_t *uartPort)
/* Enable the UART Data Register not empty Interrupt */
SET_BIT(uartPort->USARTx->CR1, USART_CR1_RXNEIE);
//HAL_UART_Receive_IT(&s->Handle, (uint8_t*)s->port.rxBuffer, 1);
}
}
@ -172,7 +168,6 @@ static void uartReconfigure(uartPort_t *uartPort)
/* Associate the initialized DMA handle to the UART handle */
__HAL_LINKDMA(&uartPort->Handle, hdmatx, uartPort->txDMAHandle);
// __HAL_DMA_ENABLE_IT(s->txDMAHandle, DMA_IT_TC|DMA_IT_FE|DMA_IT_TE|DMA_IT_DME);
__HAL_DMA_SET_COUNTER(&uartPort->txDMAHandle, 0);
} else {
__HAL_UART_ENABLE_IT(&uartPort->Handle, UART_IT_TXE);
@ -254,7 +249,9 @@ void uartStartTxDMA(uartPort_t *s)
{
uint16_t size = 0;
uint32_t fromwhere=0;
//HAL_UART_DMAStop(&s->Handle);
HAL_UART_StateTypeDef state = HAL_UART_GetState(&s->Handle);
if((state & HAL_UART_STATE_BUSY_TX) == HAL_UART_STATE_BUSY_TX)
return;
if (s->port.txBufferHead > s->port.txBufferTail) {
size = s->port.txBufferHead - s->port.txBufferTail;

12
src/main/drivers/serial_uart_stm32f7xx.c
View file

@ -309,7 +309,6 @@ void uartIrqHandler(uartPort_t *s)
s->port.rxBuffer[s->port.rxBufferHead] = rbyte;
s->port.rxBufferHead = (s->port.rxBufferHead + 1) % s->port.rxBufferSize;
}
//__HAL_UART_CLEAR_IT(huart, UART_IT_RXNE);
CLEAR_BIT(huart->Instance->CR1, (USART_CR1_PEIE));
/* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */
@ -345,19 +344,16 @@ void uartIrqHandler(uartPort_t *s)
/* UART in mode Transmitter ------------------------------------------------*/
if((__HAL_UART_GET_IT(huart, UART_IT_TXE) != RESET))
{
//UART_Transmit_IT(huart);
HAL_UART_IRQHandler(huart);
}
/* UART in mode Transmitter (transmission end) -----------------------------*/
if((__HAL_UART_GET_IT(huart, UART_IT_TC) != RESET))
{
__HAL_UART_CLEAR_IT(huart, UART_CLEAR_TCF);
HAL_UART_IRQHandler(huart);
handleUsartTxDma(s);
}
/*if(s->txDMAStream && (s->Handle.TxXferCount == 0) && (s->Handle.TxXferSize != 0))
{
handleUsartTxDma(s);
}*/
}
static void handleUsartTxDma(uartPort_t *s)
@ -367,7 +363,6 @@ static void handleUsartTxDma(uartPort_t *s)
else
{
s->txDMAEmpty = true;
s->Handle.gState = HAL_UART_STATE_READY;
}
}
@ -375,7 +370,6 @@ void dmaIRQHandler(dmaChannelDescriptor_t* descriptor)
{
uartPort_t *s = &(((uartDevice_t*)(descriptor->userParam))->port);
HAL_DMA_IRQHandler(&s->txDMAHandle);
handleUsartTxDma(s);
}
uartPort_t *serialUART(UARTDevice device, uint32_t baudRate, portMode_t mode, portOptions_t options)