esp-idf/components/soc/esp32s3/uart_periph.c

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// Copyright 2015-2020 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.
#include "soc/uart_periph.h"
/*
Bunch of constants for every UART peripheral: GPIO signals, irqs, hw addr of registers etc
*/
const uart_signal_conn_t uart_periph_signal[SOC_UART_NUM] = {
{
.tx_sig = U0TXD_OUT_IDX,
.rx_sig = U0RXD_IN_IDX,
.rts_sig = U0RTS_OUT_IDX,
.cts_sig = U0CTS_IN_IDX,
.irq = ETS_UART0_INTR_SOURCE,
.module = PERIPH_UART0_MODULE,
},
{
.tx_sig = U1TXD_OUT_IDX,
.rx_sig = U1RXD_IN_IDX,
.rts_sig = U1RTS_OUT_IDX,
.cts_sig = U1CTS_IN_IDX,
.irq = ETS_UART1_INTR_SOURCE,
.module = PERIPH_UART1_MODULE,
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},
{
.tx_sig = U2TXD_OUT_IDX,
.rx_sig = U2RXD_IN_IDX,
.rts_sig = U2RTS_OUT_IDX,
.cts_sig = U2CTS_IN_IDX,
.irq = ETS_UART2_INTR_SOURCE,
.module = PERIPH_UART2_MODULE,
},
};