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fix(console): UART0 TX pin was not properly disabled

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Closes https://github.com/espressif/esp-idf/issues/16764
Closes https://github.com/espressif/esp-idf/issues/17459
This commit is contained in:
Song Ruo Jing
2025-11-10 21:14:39 +08:00
parent de87969611
commit 133cfd8dc9
1 changed files with 1 additions and 0 deletions
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components/bootloader_support/src/bootloader_console.c
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@@ -30,6 +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);
gpio_ll_func_sel(&GPIO, U0TXD_GPIO_NUM, PIN_FUNC_GPIO); // Set TX pin to GPIO function to truly disable output
esp_rom_gpio_connect_in_signal(GPIO_MATRIX_CONST_ONE_INPUT, UART_PERIPH_SIGNAL(UART_NUM_0, SOC_UART_PERIPH_SIGNAL_RX), 0);
}