// 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 U0RXD_GPIO_NUM (44) #define U0TXD_GPIO_NUM (43) #define U0RTS_GPIO_NUM (15) #define U0CTS_GPIO_NUM (16) #define U1RXD_GPIO_NUM (18) #define U1TXD_GPIO_NUM (17) #define U1RTS_GPIO_NUM (19) #define U1CTS_GPIO_NUM (20) /* 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_XTAL_32K_P_U0RTS) #define U0CTS_MUX_FUNC (FUNC_XTAL_32K_N_U0CTS) #define U1TXD_MUX_FUNC (FUNC_DAC_1_U1TXD) #define U1RXD_MUX_FUNC (FUNC_DAC_2_U1RXD) #define U1RTS_MUX_FUNC (FUNC_GPIO19_U1RTS) #define U1CTS_MUX_FUNC (FUNC_GPIO20_U1CTS)