hulk/gd32e230_bootloader
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Follow the reference to port the bootloader

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yelvlab
2025-09-28 01:14:06 +08:00
parent 422c27846f
commit bd541d585e
23 changed files with 712 additions and 1638 deletions
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45
Src/main.c
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@@ -35,11 +35,10 @@ OF SUCH DAMAGE.
#include "gd32e23x.h"
#include "systick.h"
#include "uart.h"
#include "led.h"
#include "command.h"
#include <stdio.h>
#include "i2c.h"
#include "uart_ring_buffer.h"
#include "board_config.h"
#include "gpio.h"
#include "bootloader.h"
/*!
\brief main function
@@ -49,29 +48,39 @@ OF SUCH DAMAGE.
*/
int main(void)
{
led_init();
mcu_detect_and_config();
uint8_t buf[1];
uart_ring_buffer_init();
if (rcu_flag_get(RCU_FLAG_SWRST) == RESET)
{
check_flash_and_jump((uint8_t*)FLASH_FLAG_ADDRESS);
}
setbuf(stdout, NULL);
systick_config();
gpio_init();
rs485_init();
printf("Flash size: %d Kbytes\n", get_flash_size());
// gpio_bit_write(MOTOR_EN_PORT, MOTOR_EN_PIN, RESET);
#ifdef DEBUG_VERBOSE
printf("Hello World!\r\n");
#endif
delay_ms(100);
rs485_send_str((uint8_t*)"ok", 2);
delay_ms(100);
// wait rs485 send complete: DE high -> low
i2c_config();
while (uart_ring_buffer_get() != 0x30);
rs485_send_str((uint8_t*)"ok", 2);
#ifdef DEBUG_VERBOSE
i2c_scan();
while (uart_ring_buffer_get() != 0x31);
rs485_send_str((uint8_t*)"ok", 2);
i2c_bus_reset();
#endif
ymodem_receive(buf);
delay_ms(100);
check_flash_and_jump((uint8_t*)FLASH_FLAG_ADDRESS);
while(1){
command_process();
delay_ms(10);
}
}