/* * SPDX-FileCopyrightText: 2015-2022 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 23 #define U0TXD_GPIO_NUM 24 #define U0RTS_GPIO_NUM (-1) #define U0CTS_GPIO_NUM (-1) #define U1RXD_GPIO_NUM (-1) #define U1TXD_GPIO_NUM (-1) #define U1RTS_GPIO_NUM (-1) #define U1CTS_GPIO_NUM (-1) /* 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) /* No func for the following pins, they shall not be used */ #define U0RTS_MUX_FUNC (-1) #define U0CTS_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)