/* * SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include "hal/uart_periph.h" #include "soc/lp_gpio_sig_map.h" #include "soc/uart_reg.h" // TODO: to be checked IDF-14789 /* 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] = { { // HP UART0 .pins = { [SOC_UART_PERIPH_SIGNAL_TX] = { .default_gpio = U0TXD_GPIO_NUM, .iomux_func = U0TXD_MUX_FUNC, .input = 0, .signal = UART0_TXD_PAD_OUT_IDX, }, [SOC_UART_PERIPH_SIGNAL_RX] = { .default_gpio = U0RXD_GPIO_NUM, .iomux_func = U0RXD_MUX_FUNC, .input = 1, .signal = UART0_RXD_PAD_IN_IDX, }, [SOC_UART_PERIPH_SIGNAL_RTS] = { .default_gpio = U0RTS_GPIO_NUM, .iomux_func = U0RTS_MUX_FUNC, .input = 0, .signal = UART0_RTS_PAD_OUT_IDX, }, [SOC_UART_PERIPH_SIGNAL_CTS] = { .default_gpio = U0CTS_GPIO_NUM, .iomux_func = U0CTS_MUX_FUNC, .input = 1, .signal = UART0_CTS_PAD_IN_IDX, } }, .irq = ETS_UART0_INTR_SOURCE, }, { // HP UART1 .pins = { [SOC_UART_PERIPH_SIGNAL_TX] = { .default_gpio = U1TXD_GPIO_NUM, .iomux_func = U1TXD_MUX_FUNC, .input = 0, .signal = UART1_TXD_PAD_OUT_IDX, }, [SOC_UART_PERIPH_SIGNAL_RX] = { .default_gpio = U1RXD_GPIO_NUM, .iomux_func = U1RXD_MUX_FUNC, .input = 1, .signal = UART1_RXD_PAD_IN_IDX, }, [SOC_UART_PERIPH_SIGNAL_RTS] = { .default_gpio = U1RTS_GPIO_NUM, .iomux_func = U1RTS_MUX_FUNC, .input = 0, .signal = UART1_RTS_PAD_OUT_IDX, }, [SOC_UART_PERIPH_SIGNAL_CTS] = { .default_gpio = U1CTS_GPIO_NUM, .iomux_func = U1CTS_MUX_FUNC, .input = 1, .signal = UART1_CTS_PAD_IN_IDX, }, }, .irq = ETS_UART1_INTR_SOURCE, }, { // HP UART2 .pins = { [SOC_UART_PERIPH_SIGNAL_TX] = { .default_gpio = U2TXD_GPIO_NUM, .iomux_func = U2TXD_MUX_FUNC, .input = 0, .signal = UART2_TXD_PAD_OUT_IDX, }, [SOC_UART_PERIPH_SIGNAL_RX] = { .default_gpio = U2RXD_GPIO_NUM, .iomux_func = U2RXD_MUX_FUNC, .input = 1, .signal = UART2_RXD_PAD_IN_IDX, }, [SOC_UART_PERIPH_SIGNAL_RTS] = { .default_gpio = U2RTS_GPIO_NUM, .iomux_func = U2RTS_MUX_FUNC, .input = 0, .signal = UART2_RTS_PAD_OUT_IDX, }, [SOC_UART_PERIPH_SIGNAL_CTS] = { .default_gpio = U2CTS_GPIO_NUM, .iomux_func = U2CTS_MUX_FUNC, .input = 1, .signal = UART2_CTS_PAD_IN_IDX, }, }, .irq = ETS_UART2_INTR_SOURCE, }, { // HP UART3 .pins = { [SOC_UART_PERIPH_SIGNAL_TX] = { .default_gpio = U3TXD_GPIO_NUM, .iomux_func = U3TXD_MUX_FUNC, .input = 0, .signal = -1, }, [SOC_UART_PERIPH_SIGNAL_RX] = { .default_gpio = U3RXD_GPIO_NUM, .iomux_func = U3RXD_MUX_FUNC, .input = 1, .signal = -1, }, [SOC_UART_PERIPH_SIGNAL_RTS] = { .default_gpio = U3RTS_GPIO_NUM, .iomux_func = U3RTS_MUX_FUNC, .input = 0, .signal = -1, }, [SOC_UART_PERIPH_SIGNAL_CTS] = { .default_gpio = U3CTS_GPIO_NUM, .iomux_func = U3CTS_MUX_FUNC, .input = 1, .signal = -1, }, }, .irq = ETS_UART3_INTR_SOURCE, }, };