Fix receive interrupt bug in Esp32 uart driver (#2446)

FIFO receive event should disable interrupt, not enable it. This could cause recursive interrupt entry and watchdog timeout.
SmingHub · Dec 11, 2021 · 6601f4e · 6601f4e
1 parent 9c6722a
commit 6601f4e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Sming/Arch/Esp32/Components/driver/uart.cpp b/Sming/Arch/Esp32/Components/driver/uart.cpp
@@ -236,7 +236,7 @@ void IRAM_ATTR uart_isr(smg_uart_instance_t* inst)
 			if(usis.rxfifo_ovf) {
 				uart_ll_disable_intr_mask(dev, UART_INTR_RXFIFO_OVF);
 			} else if(read == 0) {
-				uart_ll_ena_intr_mask(dev, UART_INTR_RXFIFO_FULL | UART_INTR_RXFIFO_TOUT);
+				uart_ll_disable_intr_mask(dev, UART_INTR_RXFIFO_FULL | UART_INTR_RXFIFO_TOUT);
 			}
 		}