适配bootloader

Inc/board_config.h

@@ -39,6 +39,14 @@ void usart1_irq_handler(void);
 
 /******************************************************************************/
 
+#define MCU_CODE          23u
+
+#define FW_VERSION_MAJOR  0
+#define FW_VERSION_MINOR  0
+#define FW_VERSION_PATCH  3
+
+/******************************************************************************/
+
 #define RCU_GPIO_I2C         RCU_GPIOF
 #define RCU_I2C              RCU_I2C0
 #define I2C_SCL_PORT         GPIOF

LD/gd32e23x_flash.ld

@@ -12,8 +12,8 @@ _Min_Stack_Size = 0x400; /* required amount of stack */
 /* Memories definition */
 MEMORY
 {
-    FLASH (rx)  : ORIGIN = 0x08000000, LENGTH = 16K
-    RAM (xrw)   : ORIGIN = 0x20000000, LENGTH = 4K
+    FLASH (rx)  : ORIGIN = 0x08002000, LENGTH = 32K
+    RAM (xrw)   : ORIGIN = 0x20000000, LENGTH = 8K
 }
 
 /* Sections */

Src/command.c

@@ -17,6 +17,7 @@
 #include <stdio.h>
 #include "board_config.h"
 #include "gd32e23x_usart.h"
+#include "gd32e23x_misc.h"
 #include "ultrasonic_analog.h"
 #include "systick.h"
 
@@ -284,6 +285,19 @@ void handle_command(const uint8_t *frame, uint8_t len) {
             //     send_response(RESP_TYPE_OK, s_report_status_ok, sizeof(s_report_status_ok));
             //     return;
 
+            case 999u: //M999: 输出固件版本号（vMCU_CODE.FW_VERSION_MAJOR.FW_VERSION_MINOR.FW_VERSION_PATCH）
+                char version_str[16];
+                int n = snprintf(version_str, sizeof(version_str), "v%u.%u.%u.%u", MCU_CODE, FW_VERSION_MAJOR, FW_VERSION_MINOR, FW_VERSION_PATCH);
+                send_response(RESP_TYPE_OK, (uint8_t *)version_str, (uint8_t)n);
+                // send_response(RESP_TYPE_OK, (uint8_t *)"v23.0.0.3", 9);
+                return;
+
+            case 9999u:
+                // M9999: 重启系统
+                __disable_irq();        // 关闭全局中断（GD32E230 CMSIS标准函数）
+                nvic_system_reset();    // 系统复位（GD32E230标准库函数）
+                break;
+
             default:
                 // 其它无参数命令在此扩展（示例：M100）处理逻辑该如何待定
                 // send_response(RESP_TYPE_OK, s_report_status_ok, sizeof(s_report_status_ok));

Src/main.c

@@ -51,6 +51,8 @@ OF SUCH DAMAGE.
 */
 int main(void)
 {
+    nvic_vector_table_set(NVIC_VECTTAB_FLASH, 0x2000); // 设置向量表偏移地址为0x2000
+
     led_init();
     mcu_detect_and_config();
 

cmake/project_config.cmake

@@ -1,8 +1,8 @@
 # Project basic info
 set(PROJECT_NAME "ultrasonic-analog")
-set(VERSION_MAJOR 1)
+set(VERSION_MAJOR 0)
 set(VERSION_MINOR 0)
-set(VERSION_PATCH 0)
+set(VERSION_PATCH 3)
 set(VERSION "V${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
 string(TIMESTAMP BUILD_DATE "%Y-%m-%d")