diff options
Diffstat (limited to 'ports/esp32/uart.c')
| -rw-r--r-- | ports/esp32/uart.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/ports/esp32/uart.c b/ports/esp32/uart.c index fc69e279e..e0c8141a8 100644 --- a/ports/esp32/uart.c +++ b/ports/esp32/uart.c @@ -34,12 +34,9 @@ #if MICROPY_HW_ENABLE_UART_REPL #include <stdio.h> +#include "driver/uart.h" // For uart_get_sclk_freq() #include "hal/uart_hal.h" -// Backwards compatibility for when MICROPY_HW_UART_REPL was a ESP-IDF UART -// driver enum. Only UART_NUM_0 was supported with that version of the driver. -#define UART_NUM_0 0 - STATIC void uart_irq_handler(void *arg); // Declaring the HAL structure on the stack saves a tiny amount of static RAM @@ -53,16 +50,14 @@ STATIC void uart_irq_handler(void *arg); void uart_stdout_init(void) { uart_hal_context_t repl_hal = REPL_HAL_DEFN(); + uart_sclk_t sclk; uint32_t sclk_freq; - #if UART_SCLK_DEFAULT == SOC_MOD_CLK_APB - sclk_freq = APB_CLK_FREQ; // Assumes no frequency scaling - #else - // ESP32-H2 and ESP32-C2, I think - #error "This SoC uses a different default UART SCLK source, code needs updating." - #endif + uart_hal_get_sclk(&repl_hal, &sclk); // To restore SCLK after uart_hal_init() resets it + ESP_ERROR_CHECK(uart_get_sclk_freq(sclk, &sclk_freq)); uart_hal_init(&repl_hal, MICROPY_HW_UART_REPL); // Sets defaults: 8n1, no flow control + uart_hal_set_sclk(&repl_hal, sclk); uart_hal_set_baudrate(&repl_hal, MICROPY_HW_UART_REPL_BAUD, sclk_freq); uart_hal_rxfifo_rst(&repl_hal); uart_hal_txfifo_rst(&repl_hal); |