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-rw-r--r--esp8266/uart.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/esp8266/uart.c b/esp8266/uart.c
index 573f0cb072..1c317a1cb6 100644
--- a/esp8266/uart.c
+++ b/esp8266/uart.c
@@ -19,6 +19,9 @@
#include "user_interface.h"
#include "esp_mphal.h"
+// seems that this is missing in the Espressif SDK
+#define FUNC_U0RXD 0
+
#define UART_REPL UART0
// UartDev is defined and initialized in rom code.
@@ -53,7 +56,7 @@ static void ICACHE_FLASH_ATTR uart_config(uint8 uart_no) {
ETS_UART_INTR_ATTACH(uart0_rx_intr_handler, NULL);
PIN_PULLUP_DIS(PERIPHS_IO_MUX_U0TXD_U);
PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_U0TXD);
- PIN_FUNC_SELECT(PERIPHS_IO_MUX_MTDO_U, FUNC_U0RTS);
+ PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0RXD_U, FUNC_U0RXD);
}
uart_div_modify(uart_no, UART_CLK_FREQ / (UartDev.baut_rate));