Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-10-02 03:00:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

feat(uart): add DTR and DSR signals support for UART

Browse Source
This commit is contained in:
Song Ruo Jing
2025-08-05 16:45:46 +08:00
parent b59bc28553
commit 6bfdc93593
40 changed files with 1020 additions and 345 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/soc/esp32c2/include/soc/uart_pins.h
+10 -4
View File
@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -8,19 +8,20 @@
#include "soc/io_mux_reg.h"
/* Specify the number of pins for UART */
#define SOC_UART_PINS_COUNT (4)
/* Specify the GPIO pin number for each UART signal in the IOMUX */
#define U0RXD_GPIO_NUM 19
#define U0TXD_GPIO_NUM 20
#define U0RTS_GPIO_NUM (-1)
#define U0CTS_GPIO_NUM (-1)
#define U0DTR_GPIO_NUM (-1)
#define U0DSR_GPIO_NUM (-1)
#define U1RXD_GPIO_NUM (-1)
#define U1TXD_GPIO_NUM (-1)
#define U1RTS_GPIO_NUM (-1)
#define U1CTS_GPIO_NUM (-1)
#define U1DTR_GPIO_NUM (-1)
#define U1DSR_GPIO_NUM (-1)
/* The following defines are necessary for reconfiguring the UART
* to use IOMUX, at runtime. */
@@ -29,8 +30,13 @@
/* No func for the following pins, they shall not be used */
#define U0RTS_MUX_FUNC (-1)
#define U0CTS_MUX_FUNC (-1)
#define U0DTR_MUX_FUNC (-1)
#define U0DSR_MUX_FUNC (-1)
/* Same goes for UART1 */
#define U1TXD_MUX_FUNC (-1)
#define U1RXD_MUX_FUNC (-1)
#define U1RTS_MUX_FUNC (-1)
#define U1CTS_MUX_FUNC (-1)
#define U1DTR_MUX_FUNC (-1)
#define U1DSR_MUX_FUNC (-1)