djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

esp8266/uart: Properly initialise UART0 RXD pin in uart_config.

Browse Source 
Tested and seems to work.  See #1995.
This commit is contained in:
Damien George 2016-05-29 10:30:27 +01:00
parent 6707fc94ae
commit 602305b211
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
esp8266/uart.c
View File

@ -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));