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mqtt.c

@@ -138,8 +138,8 @@ void message_3(cJSON *body,cJSON *pwm_ctrl)//message_type为3，控制pwm
         gmodeTmep= mode->valueint;
         gtypeTemp=type->valueint;
         gvaltemp= val->valueint;
-        gvalt[0]=gmodeTmep;
-        gvalt[1]=gtypeTemp;
+        gvalt[0]=gtypeTemp;
+        gvalt[1]=gmodeTmep;
         gvalt[2]=gvaltemp;
 
         gPwmCount = 0;
@@ -165,7 +165,7 @@ void message_4(cJSON *body, cJSON *pin_setctrl)
     gvalt[1]=gpinTemp;
     gvalt[2]=gvaltemp;
     printf("gpinTemp:%d\n",gpinTemp); 
-    printf("gtypeTemp:%d\n",gvaltemp);
+    printf("gvalTemp:%d\n",gvaltemp);
     serial_Write(gvalt);
 }
 

serial.c

@@ -75,7 +75,7 @@ void serial_Receive_2()
 
 void serial_Receive_1() 
 {
-    unsigned char buffer[256];
+    unsigned char buffer[3];
 
     while(1) 
     { 
@@ -84,13 +84,17 @@ void serial_Receive_1()
         
         if (bytes_read > 0) {
              //printf("Received chatdate: %s\n", buffer);
-            //buffer[bytes_read] = '\0';
-            printf("Received chatdate: %hhn\n", buffer);
+            buffer[bytes_read] = 0xfe;
+            printf("read bite: %d\n", bytes_read);
+            printf("Received chatdate: %d\n", buffer[0]); // 以十六进制打印每个字节
+            printf("Received chatdate: %d\n", buffer[1]);
+            printf("Received chatdate: %d\n", buffer[2]);
+            printf("Received chatdate: %d\n", buffer[3]);
             //int receivedNumber = atoi(buffer);
             //printf("Received intdate: %d\n", receivedNumber);
         }
          
-        Delay_Ms(1,0); 
+        Delay_Ms(2,0); 
     }
     close(fd1);
 }

serial.h

@@ -10,7 +10,7 @@
 #include <termios.h>
 
 #define SERIAL_PORT1 "/dev/ttyS3" // 根据实际设备修改
-#define SERIAL_PORT2 "/dev/ttyS7" 
+#define SERIAL_PORT2 "/dev/ttyS0" 
 #define BUFFER_SIZE 256
 int serial_Init();
 void serial_Receive_1();