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feat(uart): add DTR and DSR signals support for UART

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This commit is contained in:
Song Ruo Jing
2025-07-10 19:33:04 +08:00
parent b59bc28553
commit 6bfdc93593
40 changed files with 1020 additions and 345 deletions
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6
components/bootloader_support/src/bootloader_console.c
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@@ -30,7 +30,7 @@ static void __attribute__((unused)) release_default_console_io(void)
{
// Default console is UART0 with TX and RX on their IOMUX pins
gpio_ll_output_disable(&GPIO, U0TXD_GPIO_NUM);
esp_rom_gpio_connect_in_signal(GPIO_MATRIX_CONST_ONE_INPUT, UART_PERIPH_SIGNAL(UART_NUM_0, SOC_UART_RX_PIN_IDX), 0);
esp_rom_gpio_connect_in_signal(GPIO_MATRIX_CONST_ONE_INPUT, UART_PERIPH_SIGNAL(UART_NUM_0, SOC_UART_PERIPH_SIGNAL_RX), 0);
}
#ifdef CONFIG_ESP_CONSOLE_NONE
@@ -72,8 +72,8 @@ void bootloader_console_init(void)
uart_rx_gpio != U0RXD_GPIO_NUM) {
release_default_console_io();
// Route GPIO signals to/from pins
const uint32_t tx_idx = UART_PERIPH_SIGNAL(uart_num, SOC_UART_TX_PIN_IDX);
const uint32_t rx_idx = UART_PERIPH_SIGNAL(uart_num, SOC_UART_RX_PIN_IDX);
const uint32_t tx_idx = UART_PERIPH_SIGNAL(uart_num, SOC_UART_PERIPH_SIGNAL_TX);
const uint32_t rx_idx = UART_PERIPH_SIGNAL(uart_num, SOC_UART_PERIPH_SIGNAL_RX);
gpio_ll_func_sel(&GPIO, uart_rx_gpio, PIN_FUNC_GPIO);
gpio_ll_input_enable(&GPIO, uart_rx_gpio);
esp_rom_gpio_pad_pullup_only(uart_rx_gpio);