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feat(bootloader): Add configration for output console UART

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This commit is contained in:
Dong Heng
2018-09-06 20:40:02 +08:00
parent 1870ecf943
commit 964e027860
4 changed files with 57 additions and 8 deletions
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10
components/esp8266/source/ets_printf.c
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@ -14,26 +14,24 @@
#include <stdint.h>
#include "sdkconfig.h"
#include "esp_attr.h"
#include "esp8266/eagle_soc.h"
#include "esp8266/uart_register.h"
#include "esp8266/rom_functions.h"
#ifndef CONFIG_ETS_PUTC_UART
#define CONFIG_ETS_PUTC_UART 0
#endif
int IRAM_ATTR ets_putc(int c)
{
while (1) {
uint32_t fifo_cnt = READ_PERI_REG(UART_STATUS(CONFIG_ETS_PUTC_UART)) & (UART_TXFIFO_CNT << UART_TXFIFO_CNT_S);
uint32_t fifo_cnt = READ_PERI_REG(UART_STATUS(CONFIG_CONSOLE_UART_NUM)) & (UART_TXFIFO_CNT << UART_TXFIFO_CNT_S);
if ((fifo_cnt >> UART_TXFIFO_CNT_S & UART_TXFIFO_CNT) < 126)
break;
}
WRITE_PERI_REG(UART_FIFO(CONFIG_ETS_PUTC_UART) , c);
WRITE_PERI_REG(UART_FIFO(CONFIG_CONSOLE_UART_NUM) , c);
return c;
}