ESP-IDF
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#include "soc/uart_periph.h"
uart_periph_signal
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/soc/esp32/uart_periph.c
 
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/* * SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #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] = { { .pins = { [SOC_UART_TX_PIN_IDX] = { .default_gpio = U0TXD_GPIO_NUM, .iomux_func = U0TXD_MUX_FUNC, .input = 0, .signal = U0TXD_OUT_IDX, }{...}, [SOC_UART_RX_PIN_IDX] = { .default_gpio = U0RXD_GPIO_NUM, .iomux_func = U0RXD_MUX_FUNC, .input = 1, .signal = U0RXD_IN_IDX, }{...}, [SOC_UART_RTS_PIN_IDX] = { .default_gpio = U0RTS_GPIO_NUM, .iomux_func = U0RTS_MUX_FUNC, .input = 0, .signal = U0RTS_OUT_IDX, }{...}, [SOC_UART_CTS_PIN_IDX] = { .default_gpio = U0CTS_GPIO_NUM, .iomux_func = U0CTS_MUX_FUNC, .input = 1, .signal = U0CTS_IN_IDX, }{...} }{...}, .irq = ETS_UART0_INTR_SOURCE, }{...}, { .pins = { [SOC_UART_TX_PIN_IDX] = { .default_gpio = U1TXD_GPIO_NUM, .iomux_func = U1TXD_MUX_FUNC, .input = 0, .signal = U1TXD_OUT_IDX, }{...}, [SOC_UART_RX_PIN_IDX] = { .default_gpio = U1RXD_GPIO_NUM, .iomux_func = U1RXD_MUX_FUNC, .input = 1, .signal = U1RXD_IN_IDX, }{...}, [SOC_UART_RTS_PIN_IDX] = { .default_gpio = U1RTS_GPIO_NUM, .iomux_func = U1RTS_MUX_FUNC, .input = 0, .signal = U1RTS_OUT_IDX, }{...}, [SOC_UART_CTS_PIN_IDX] = { .default_gpio = U1CTS_GPIO_NUM, .iomux_func = U1CTS_MUX_FUNC, .input = 1, .signal = U1CTS_IN_IDX, }{...}, }{...}, .irq = ETS_UART1_INTR_SOURCE, }{...}, { .pins = { [SOC_UART_TX_PIN_IDX] = { .default_gpio = U2TXD_GPIO_NUM, .iomux_func = U2TXD_MUX_FUNC, .input = 0, .signal = U2TXD_OUT_IDX, }{...}, [SOC_UART_RX_PIN_IDX] = { .default_gpio = U2RXD_GPIO_NUM, .iomux_func = U2RXD_MUX_FUNC, .input = 1, .signal = U2RXD_IN_IDX, }{...}, [SOC_UART_RTS_PIN_IDX] = { .default_gpio = U2RTS_GPIO_NUM, .iomux_func = U2RTS_MUX_FUNC, .input = 0, .signal = U2RTS_OUT_IDX, }{...}, [SOC_UART_CTS_PIN_IDX] = { .default_gpio = U2CTS_GPIO_NUM, .iomux_func = U2CTS_MUX_FUNC, .input = 1, .signal = U2CTS_IN_IDX, }{...} }{...}, .irq = ETS_UART2_INTR_SOURCE, }{...} }{...};
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