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esp_system: Fix some ESP_EARLY_LOG lines not being output fully

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At least on ESP32, calling esp_rom_uart_set_clock_baudrate() causes the
contents of the UART FIFO to be discarded.
This commit is contained in:
Angus Gratton
2021-02-01 14:23:53 +11:00
parent 8dbb14b469
commit dfda84c2ab
1 changed files with 1 additions and 0 deletions
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components/esp_system/port/cpu_start.c
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@@ -456,6 +456,7 @@ void IRAM_ATTR call_start_cpu0(void)
#if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 #if CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3
clock_hz = UART_CLK_FREQ_ROM; // From esp32-s3 on, UART clock source is selected to XTAL in ROM clock_hz = UART_CLK_FREQ_ROM; // From esp32-s3 on, UART clock source is selected to XTAL in ROM
#endif #endif
esp_rom_uart_tx_wait_idle(CONFIG_ESP_CONSOLE_UART_NUM);
esp_rom_uart_set_clock_baudrate(CONFIG_ESP_CONSOLE_UART_NUM, clock_hz, CONFIG_ESP_CONSOLE_UART_BAUDRATE); esp_rom_uart_set_clock_baudrate(CONFIG_ESP_CONSOLE_UART_NUM, clock_hz, CONFIG_ESP_CONSOLE_UART_BAUDRATE);
#endif #endif