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Merge branch 'bugfix/uart_set_pin_use_iomux' into 'master'

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uart: uart_set_pin function will now use IOMUX whenever possible

Closes IDF-3183

See merge request espressif/esp-idf!14318
This commit is contained in:
Michael (XIAO Xufeng)
2021-08-05 04:17:29 +00:00
parent ee6b1736c6 779e7400b0
commit 947980ecac
24 changed files with 697 additions and 103 deletions
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53
components/soc/esp32/include/soc/uart_pins.h Normal file
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// Copyright 2015-2021 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#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 U0TXD_GPIO_NUM (1)
#define U0RXD_GPIO_NUM (3)
#define U0CTS_GPIO_NUM (19)
#define U0RTS_GPIO_NUM (22)
#define U1TXD_GPIO_NUM (10)
#define U1RXD_GPIO_NUM (9)
#define U1CTS_GPIO_NUM (6)
#define U1RTS_GPIO_NUM (11)
#define U2TXD_GPIO_NUM (17)
#define U2RXD_GPIO_NUM (16)
#define U2CTS_GPIO_NUM (8)
#define U2RTS_GPIO_NUM (7)
/* The following defines are necessary for reconfiguring the UART
* to use IOMUX, at runtime. */
#define U0TXD_MUX_FUNC (FUNC_U0TXD_U0TXD)
#define U0RXD_MUX_FUNC (FUNC_U0RXD_U0RXD)
#define U0RTS_MUX_FUNC (FUNC_GPIO22_U0RTS)
#define U0CTS_MUX_FUNC (FUNC_GPIO19_U0CTS)
#define U1TXD_MUX_FUNC (FUNC_SD_DATA3_U1TXD)
#define U1RXD_MUX_FUNC (FUNC_SD_DATA2_U1RXD)
#define U1RTS_MUX_FUNC (FUNC_SD_CMD_U1RTS)
#define U1CTS_MUX_FUNC (FUNC_SD_CLK_U1CTS)
#define U2TXD_MUX_FUNC (FUNC_GPIO17_U2TXD)
#define U2RXD_MUX_FUNC (FUNC_GPIO16_U2RXD)
#define U2RTS_MUX_FUNC (FUNC_SD_DATA0_U2RTS)
#define U2CTS_MUX_FUNC (FUNC_SD_DATA1_U2CTS)