添加gpio测试，软件没有运行

tb/sw/src/MstMain.c

@@ -44,6 +44,8 @@ void main()
 
 	uint32_t isLast;
 
+	uint32_t led = 0;
+
 	while(1){
 
 		*cdr_softReset = 1; //复位脉冲
@@ -53,11 +55,19 @@ void main()
 			"1:\n"
 			"rdcycle ra\n"
 			"srli ra, ra, 12\n"
-			//"srli ra, ra, 26\n"
+			// "srli ra, ra, 26\n"
 			"andi ra, ra, 0x1\n"
 			"beqz ra, 1b\n"
 		);
 
+		if( led ){
+			*WriteGpio = 0xFFFFFFFF;
+			led = 0;
+		} else{
+			*WriteGpio = 0x0;
+			led = 1;		
+		}
+
 
 		//发送下行包头
 		*cdr_txLen = 520; //总长520