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fix for "realtime uart" in esp32-hal-uart.c #1674

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3 changes: 2 additions & 1 deletion cores/esp32/esp32-hal-uart.c
Expand Up @@ -96,7 +96,8 @@ static void IRAM_ATTR _uart_isr(void *arg)
void uartEnableInterrupt(uart_t* uart)
{
UART_MUTEX_LOCK();
uart->dev->conf1.rxfifo_full_thrhd = 112;
//uart->dev->conf1.rxfifo_full_thrhd = 112; //original
uart->dev->conf1.rxfifo_full_thrhd = 1; //fix for "realtime" uart
uart->dev->conf1.rx_tout_thrhd = 2;
uart->dev->conf1.rx_tout_en = 1;
uart->dev->int_ena.rxfifo_full = 1;
Expand Down