esp-idf/components/soc/esp32p4/include/soc/uart_pins.h

78 lines
2.0 KiB
C

/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#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 U0RXD_GPIO_NUM 38
#define U0TXD_GPIO_NUM 37
#define U0RTS_GPIO_NUM 8
#define U0CTS_GPIO_NUM 9
#define U1RXD_GPIO_NUM 11
#define U1TXD_GPIO_NUM 10
#define U1RTS_GPIO_NUM 12
#define U1CTS_GPIO_NUM 13
#define U2RXD_GPIO_NUM (-1)
#define U2TXD_GPIO_NUM (-1)
#define U2RTS_GPIO_NUM (-1)
#define U2CTS_GPIO_NUM (-1)
#define U3RXD_GPIO_NUM (-1)
#define U3TXD_GPIO_NUM (-1)
#define U3RTS_GPIO_NUM (-1)
#define U3CTS_GPIO_NUM (-1)
#define U4RXD_GPIO_NUM (-1)
#define U4TXD_GPIO_NUM (-1)
#define U4RTS_GPIO_NUM (-1)
#define U4CTS_GPIO_NUM (-1)
#define LP_U0RXD_GPIO_NUM 15
#define LP_U0TXD_GPIO_NUM 14
#define LP_U0RTS_GPIO_NUM (-1)
#define LP_U0CTS_GPIO_NUM (-1)
/* The following defines are necessary for reconfiguring the UART
* to use IOMUX, at runtime. */
#define U0TXD_MUX_FUNC (FUNC_GPIO37_UART0_TXD_PAD)
#define U0RXD_MUX_FUNC (FUNC_GPIO38_UART0_RXD_PAD)
#define U0RTS_MUX_FUNC (FUNC_GPIO8_UART0_RTS_PAD)
#define U0CTS_MUX_FUNC (FUNC_GPIO9_UART0_CTS_PAD)
/* Same goes for UART1 */
#define U1TXD_MUX_FUNC (FUNC_GPIO10_UART1_TXD_PAD)
#define U1RXD_MUX_FUNC (FUNC_GPIO11_UART1_RXD_PAD)
#define U1RTS_MUX_FUNC (FUNC_GPIO12_UART1_RTS_PAD)
#define U1CTS_MUX_FUNC (FUNC_GPIO13_UART1_CTS_PAD)
/* No func for the following pins, they shall not be used */
#define U2TXD_MUX_FUNC (-1)
#define U2RXD_MUX_FUNC (-1)
#define U2RTS_MUX_FUNC (-1)
#define U2CTS_MUX_FUNC (-1)
#define U3TXD_MUX_FUNC (-1)
#define U3RXD_MUX_FUNC (-1)
#define U3RTS_MUX_FUNC (-1)
#define U3CTS_MUX_FUNC (-1)
#define U4TXD_MUX_FUNC (-1)
#define U4RXD_MUX_FUNC (-1)
#define U4RTS_MUX_FUNC (-1)
#define U4CTS_MUX_FUNC (-1)
#define LP_U0TXD_MUX_FUNC (0)
#define LP_U0RXD_MUX_FUNC (0)
#define LP_U0RTS_MUX_FUNC (-1)
#define LP_U0CTS_MUX_FUNC (-1)