espressif/ESP8266_RTOS_SDK
1
0
Fork 0
mirror of https://github.com/espressif/ESP8266_RTOS_SDK.git synced 2025-07-15 08:32:42 +08:00
Code Issues Packages Projects Releases Wiki Activity

feat(esp8266): Add configuration for UART baudrate

Browse Source
This commit is contained in:
Dong Heng
2018-09-07 15:40:35 +08:00
parent dbdacdf3ec
commit 1a6ffe4e9e
6 changed files with 10 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
components/bootloader_support/src/bootloader_init.c
View File

@ -553,7 +553,6 @@ void __assert_func(const char *file, int line, const char *func, const char *exp
#include "esp8266/pin_mux_register.h"
#include "esp8266/rom_functions.h"
#define CONFIG_CONSOLE_UART_BAUDRATE 74880
#define BOOTLOADER_CONSOLE_CLK_FREQ 52 * 1000 * 1000
extern int _bss_start;
@ -575,8 +574,6 @@ static void uart_console_configure(void)
CLEAR_PERI_REG_MASK(UART_CONF1(CONFIG_CONSOLE_UART_NUM), UART_RX_FLOW_EN);
CLEAR_PERI_REG_MASK(UART_CONF0(CONFIG_CONSOLE_UART_NUM), UART_TX_FLOW_EN);
uart_div_modify(CONFIG_CONSOLE_UART_NUM, BOOTLOADER_CONSOLE_CLK_FREQ / CONFIG_CONSOLE_UART_BAUDRATE);
WRITE_PERI_REG(UART_CONF0(CONFIG_CONSOLE_UART_NUM),
0 // None parity
| (1 << 4) // 1-bit stop
@ -587,6 +584,8 @@ static void uart_console_configure(void)
SET_PERI_REG_MASK(UART_CONF0(CONFIG_CONSOLE_UART_NUM), UART_RXFIFO_RST | UART_TXFIFO_RST);
CLEAR_PERI_REG_MASK(UART_CONF0(CONFIG_CONSOLE_UART_NUM), UART_RXFIFO_RST | UART_TXFIFO_RST);
#endif
uart_div_modify(CONFIG_CONSOLE_UART_NUM, BOOTLOADER_CONSOLE_CLK_FREQ / CONFIG_CONSOLE_UART_BAUDRATE);
}
esp_err_t bootloader_init()