release version for only uart sent angle

raspberrypi_spi/LocalDimming/interface.c

@@ -31,8 +31,6 @@ int count = 1;
 int fileusb;
 int fileuart;
 
-
-
 int spi_fd;
 
 
@@ -140,9 +138,46 @@ uint16_t CrcValueCalc(const uint8_t *cpucData, uint16_t usLength)
 	return crcValue;
 }
 
+void sendMessageHead(int mode, char* message)  
+{
+    *(message) = 0x40;
+    *(message + 1) = 0x38;   // head 
+    if (mode == 0)   // read
+    {
+        *(message + 2) = 0x07;  //length
+        *(message + 3) = 0x03;   //instru
+        *(message + 4) = 0x00;   //reg0
+        *(message + 6) = 0x01;  //ack
+    }
+    else{             // write
+        *(message + 2) = 0x0b;   //length
+        *(message + 3) = 0x06;    //instru
+        *(message + 4) = 0x00;    //reg0
+        *(message + 5) = 0x02;    //reg1 write angle
+        *(message + 6) = 0x00;  //ack
+    }
+}
+
+void sentMessageAngle(int fileuart, uint16_t angle)  //changed
+{
+    char messageAngle[13];
+    sendMessageHead(1, messageAngle);
+    messageAngle[7] = 0x00;
+    messageAngle[8] = 0x00;
+    messageAngle[9] = (angle >> 8) & 0xff;
+    messageAngle[10] = angle & 0xff;
+
+    uint16_t crc;
+    crc = CrcValueCalc(messageAngle, 11);
+    messageAngle[11] = (crc >> 8) & 0xff;
+    messageAngle[12] = crc & 0xff;
+
+    write(fileuart, messageAngle, 11);
+}
+
 extern int get_audio_device_id();
 
-void releaseAckeachwakenwords(char* totalbuf)
+void releaseAckeachwakenwords(char* totalbuf)   //used for test
 {
     char* p = totalbuf;
     while (*p != 'k' || *(p+1) != 'e')
@@ -156,8 +191,12 @@ void releaseAckeachwakenwords(char* totalbuf)
         //system("mpg321 /usr/local/bin/Videos/aaaa.mp3 &");
         //system("cvlc --play-and-exit --aout alsa --alsa-audio-device hw:2,0 /usr/local/bin/Videos/aaaa.mp3 &");
         system(buf);
-        g_callback(g_callback_ctx, 2);
     }
+    
+    uint16_t angle;
+    angle = getAngle(totalbuf);
+    sentMessageAngle(fileuart, angle);
+    
     switch(*p)
     {
         case 'x':
@@ -172,6 +211,7 @@ void releaseAckeachwakenwords(char* totalbuf)
         default:
             break;
     }
+    usleep(100);
     
 }
 
@@ -180,13 +220,7 @@ void sentUart(char *buf, int fileuart)
 	if (count == 9)
 	{
 		strcat(totalbuf, buf);
-		uint16_t angle;
-		angle = getAngle(totalbuf);
-		printf("angle = %x\n", angle);
-		char angleret[2];
-		angleret[1] = angle & 0xff;
-		angleret[0] = (angle >> 8) & 0xff;
-		write(fileuart, angleret, 2);
+		
 		count = 1;
 		memset(totalbuf, 0, 1024);
 
@@ -224,6 +258,7 @@ void circleReading()
 			else
 			{
 				sentUart(buf, fileuart);     printf("                          %d\n", __LINE__);
+
                 serialFlush(fileusb);
 			}
 		}