espressif/ESP8266_RTOS_SDK
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fix(esp8266): fix UART output error when start up

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Add UART system API to flush UART and wait until all characters are sent.
This commit is contained in:
dongheng
2019-09-16 13:59:38 +08:00
parent 0769fb46dc
commit 96e5df4ebd
6 changed files with 54 additions and 49 deletions
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15
components/esp8266/source/startup.c
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@ -30,7 +30,6 @@
#include "internal/esp_wifi_internal.h"
#include "internal/esp_system_internal.h"
#include "esp8266/eagle_soc.h"
#include "esp8266/uart_register.h"
#include "FreeRTOS.h"
#include "task.h"
@ -63,19 +62,6 @@ static inline int should_load(uint32_t load_addr)
return 1;
}
static inline void uart_init()
{
#ifdef CONFIG_CONSOLE_UART_BAUDRATE
const uint32_t uart_baudrate = CONFIG_CONSOLE_UART_BAUDRATE;
#else
const uint32_t uart_baudrate = 74880; // ROM default baudrate
#endif
while (READ_PERI_REG(UART_STATUS(0)) & (UART_TXFIFO_CNT << UART_TXFIFO_CNT_S));
while (READ_PERI_REG(UART_STATUS(1)) & (UART_TXFIFO_CNT << UART_TXFIFO_CNT_S));
uart_div_modify(0, UART_CLK_FREQ / uart_baudrate);
uart_div_modify(1, UART_CLK_FREQ / uart_baudrate);
}
static void user_init_entry(void *param)
{
void (**func)(void);
@ -98,7 +84,6 @@ static void user_init_entry(void *param)
assert(nvs_flash_init() == 0);
assert(rtc_init() == 0);
assert(mac_init() == 0);
uart_init();
assert(base_gpio_init() == 0);
esp_phy_load_cal_and_init(0);