使用jlink可以正常打断点

.vscode/launch.json

@@ -7,7 +7,7 @@
     {
       "cwd": "${workspaceRoot}/Project",
       "executable": "./output/stm32.elf",
-      "name": "Debug Microcontroller",
+      "name": "ST-Link",
       "request": "launch",
       "type": "cortex-debug",
       "showDevDebugOutput": "raw",
@@ -21,6 +21,21 @@
       "svdFile": "Project/STM32F429.svd",
       "armToolchainPath": "D:/Program Files/arm-gnu-toolchain/bin",
       "breakAfterReset": true,
+    },
+    {
+      "cwd": "${workspaceRoot}/Project",
+      "executable": "./output/stm32.elf",
+      "name": "J-Link",
+      "request": "launch",
+      "type": "cortex-debug",
+      "showDevDebugOutput": "raw",
+      "servertype": "jlink",
+      "serverpath": "D:/RT-ThreadStudio/repo/Extract/Debugger_Support_Packages/SEGGER/J-Link/v7.50a/JLinkGDBServerCL.exe",
+      "device": "stm32f429ig",
+      "interface": "swd",
+      "svdFile": "Project/STM32F429.svd",
+      "armToolchainPath": "D:/Program Files/arm-gnu-toolchain/bin",
+      "breakAfterReset": true,
     }
   ]
 }

Project/Src/MY/main_my.c

@@ -54,7 +54,10 @@ int main (void)
   
 	while (1)
 	{
-		my_delay_ms (1000);
+		LED2_ON;
+		my_delay_ms (500);
+		LED2_OFF;
+		my_delay_ms (500);
 		if (SysFile_CheckAlarm()==1)
 		{
 			//发送闹钟时间到的消息