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_uart_isr use wr_addr != rd_addr as test for internal queue not empty (#1849)

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Baruch Nissenbaum 2018-09-17 22:19:51 +03:00 committed by Me No Dev
parent 02ee799f35
commit a6a9a518a7
1 changed files with 1 additions and 1 deletions
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cores/esp32/esp32-hal-uart.c
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@ -80,7 +80,7 @@ static void IRAM_ATTR _uart_isr(void *arg)
uart->dev->int_clr.rxfifo_full = 1; uart->dev->int_clr.rxfifo_full = 1;
uart->dev->int_clr.frm_err = 1; uart->dev->int_clr.frm_err = 1;
uart->dev->int_clr.rxfifo_tout = 1; uart->dev->int_clr.rxfifo_tout = 1;
while(uart->dev->status.rxfifo_cnt) { while(uart->dev->status.rxfifo_cnt || (uart->dev->mem_rx_status.wr_addr != uart->dev->mem_rx_status.rd_addr)) {
c = uart->dev->fifo.rw_byte; c = uart->dev->fifo.rw_byte;
if(uart->queue != NULL && !xQueueIsQueueFullFromISR(uart->queue)) { if(uart->queue != NULL && !xQueueIsQueueFullFromISR(uart->queue)) {
xQueueSendFromISR(uart->queue, &c, &xHigherPriorityTaskWoken); xQueueSendFromISR(uart->queue, &c, &xHigherPriorityTaskWoken);