espressif/ESP8266_RTOS_SDK
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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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3
components/bootloader/subproject/main/esp8266.bootloader.rom.ld
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@ -1,6 +1,7 @@
PROVIDE ( ets_memcpy = 0x400018b4 );
PROVIDE ( ets_printf = 0x400024cc );
PROVIDE ( SPIRead = 0x40004b1c );
PROVIDE ( xthal_get_ccount = 0x4000dd38 );
PROVIDE ( uart_div_modify = 0x400039d8 );
PROVIDE ( ets_io_vprintf = 0x40001f00 );

33
components/bootloader_support/src/bootloader_init.c
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@ -547,6 +547,15 @@ void __assert_func(const char *file, int line, const char *func, const char *exp
#include "esp_flash_partitions.h"
#include "bootloader_flash.h"
#include "esp8266/uart_register.h"
#include "esp8266/eagle_soc.h"
#include "esp8266/gpio_register.h"
#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;
extern int _bss_end;
extern int _data_start;
@ -558,6 +567,28 @@ static esp_err_t bootloader_main();
static void print_flash_info(const esp_image_header_t* pfhdr);
static void update_flash_config(const esp_image_header_t* pfhdr);
static void uart_console_configure(void)
{
#if CONFIG_CONSOLE_UART_NUM == 1
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO2_U, FUNC_U1TXD_BK);
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
| (3 << 2) // 8-bit data
| 0 // None flow control
| 0); // None Inverse
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
}
esp_err_t bootloader_init()
{
//Clear bss
@ -571,6 +602,8 @@ esp_err_t bootloader_init()
static esp_err_t bootloader_main()
{
uart_console_configure();
esp_image_header_t fhdr;
if (bootloader_flash_read(ESP_BOOTLOADER_OFFSET, &fhdr, sizeof(esp_image_header_t), true) != ESP_OK) {
ESP_LOGE(TAG, "failed to load bootloader header!");

17
components/esp8266/Kconfig
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@ -35,6 +35,23 @@ config SOC_FULL_ICACHE
Enable this option, full 32 KB iram instead of 16 KB iram will be used as icache, so the heap use can use
may reduce a lot.
choice CONSOLE_UART_NUM
prompt "UART peripheral to use for console output (0-1)"
default CONSOLE_UART_CUSTOM_NUM_0
help
Configrate output console UART for "ets_printf", "printf", "ESP_LOGX" and so on.
config CONSOLE_UART_CUSTOM_NUM_0
bool "UART0"
config CONSOLE_UART_CUSTOM_NUM_1
bool "UART1"
endchoice
config CONSOLE_UART_NUM
int
default 0 if CONSOLE_UART_CUSTOM_NUM_0
default 1 if CONSOLE_UART_CUSTOM_NUM_1
endmenu
menu WIFI

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;
}