Merge pull request #278 from alanbjohnston/beta-v1.3.2-sstv

FM programmed by Pi instead of Pico, battery voltage and current displayed on sstv

main.c

@@ -44,9 +44,13 @@ int main(int argc, char * argv[]) {
   }
 
   printf("\n\nCubeSatSim v1.3b starting...\n\n");
+
+  wiringPiSetup();
+
+  program_radio();
 
-  FILE * rpitx_stop = popen("sudo systemctl stop rpitx", "r");
-  pclose(rpitx_stop);
+  //FILE * rpitx_stop = popen("sudo systemctl stop rpitx", "r");
+  //pclose(rpitx_stop);
 
   FILE * file_deletes = popen("sudo rm /home/pi/CubeSatSim/ready /home/pi/CubeSatSim/cwready > /dev/null", "r");
   pclose(file_deletes);	
@@ -172,8 +176,6 @@ int main(int argc, char * argv[]) {
   if (strcmp(sim_yes, "yes") == 0)
 	  sim_mode = TRUE;
 
-  wiringPiSetup();
-
   if (mode == AFSK)
   {
   // Check for SPI and AX-5043 Digital Transceiver Board	
@@ -350,6 +352,9 @@ int main(int argc, char * argv[]) {
     payload = OFF;
 
     if ((uart_fd = serialOpen("/dev/ttyAMA0", 115200)) >= 0) {  // was 9600
+      printf("Serial opened to Pico\n");	    
+      payload = ON;
+/*	    
       char c;
       int charss = (char) serialDataAvail(uart_fd);
       if (charss != 0)
@@ -390,6 +395,7 @@ int main(int argc, char * argv[]) {
 	payload = ON;      
 	      
       }
+*/	    
     } else {
       fprintf(stderr, "Unable to open UART: %s\n -> Did you configure /boot/config.txt and /boot/cmdline.txt?\n", strerror(errno));
     }
@@ -835,7 +841,7 @@ int main(int argc, char * argv[]) {
 #endif
     FILE * fp = fopen("/home/pi/CubeSatSim/telem_string.txt", "w");
     printf("Writing telem_string.txt\n");	  
-    fprintf(fp, "Vbatt = %4.2f\n", batteryVoltage);	 
+    fprintf(fp, "BAT %4.2fV %5.1fmA\n", batteryVoltage, batteryCurrent);	 
     fclose(fp);	  
 
 /**/
@@ -2177,3 +2183,48 @@ int get_payload_serial(int debug_camera)  {
   fflush(stdout);	
   return(finished);
 }
+
+void program_radio() {
+// if (sr_frs_present) {	
+  printf("Programming FM module!\n");	
+
+  pinMode(28, OUTPUT);	
+  pinMode(29, OUTPUT);
+  digitalWrite(29, HIGH);  // enable SR_FRS
+  digitalWrite(28, HIGH);  // stop transmit	
+
+if ((uart_fd = serialOpen("/dev/ttyAMA0", 9600)) >= 0) {  // was 9600
+  printf("serial opened 9600\n");  
+  for (int i = 0; i < 5; i++) {
+     sleep(1); // delay(500);
+//#ifdef APRS_VHF
+//     char vhf_string[] = "AT+DMOSETGROUP=0,144.3900,144.3900,0,3,0,0\r\n";	
+//     serialPrintf(uart_fd, vhf_string);	
+//     mySerial.println("AT+DMOSETGROUP=0,144.3900,144.3900,0,3,0,0\r");    // can change to 144.39 for standard APRS	  
+//    mySerial.println("AT+DMOSETGROUP=0,145.0000,145.0000,0,3,0,0\r");    // can change to 145 for testing ASPRS	  
+//#else
+     char uhf_string[] = "AT+DMOSETGROUP=0,435.0000,434.9000,0,3,0,0\r\n";	  
+     serialPrintf(uart_fd, uhf_string);	  
+//     mySerial.println("AT+DMOSETGROUP=0,435.1000,434.9900,0,3,0,0\r");   // squelch set to 3
+//#endif	  
+   sleep(1);
+   char mic_string[] = "AT+DMOSETMIC=8,0\r\n";  
+   serialPrintf(uart_fd, mic_string);
+//   mySerial.println("AT+DMOSETMIC=8,0\r");  // was 8
+
+  }
+ }
+//#ifdef APRS_VHF	  	
+// printf("Programming FM tx 144.39, rx on 144.39 MHz\n");
+//#else
+ printf("Programming FM tx 434.9, rx on 435.0 MHz\n");
+//#endif	
+//  digitalWrite(PTT_PIN, LOW);  // transmit carrier for 0.5 sec
+//  sleep(0.5);
+//  digitalWrite(PTT_PIN, HIGH);	
+  digitalWrite(29, LOW);  // disable SR_FRS	
+  pinMode(28, INPUT);
+  pinMode(29, INPUT);
+
+  serialClose(uart_fd);	
+}

main.h

@@ -77,6 +77,7 @@ void update_rs(unsigned char parity[32], unsigned char c);
 void write_little_endian(unsigned int word, int num_bytes, FILE *wav_file);
 static int init_rf();
 extern int Encode_8b10b[][256];
+void program_radio();
 
 int socket_open = 0;
 int sock = 0;

rpitx.py

@@ -503,7 +503,7 @@ def increment_mode():
 
 					file='/home/pi/CubeSatSim/camera_out.jpg'
 					font1 = ImageFont.truetype('DejaVuSerif.ttf', 20)
-					font2 = ImageFont.truetype('DejaVuSerif-Bold.ttf', 20)
+					font2 = ImageFont.truetype('DejaVuSerif-Bold.ttf', 16)
 
 					try:
 						filep = open("/home/pi/CubeSatSim/telem_string.txt")
@@ -518,8 +518,10 @@ def increment_mode():
 					draw = ImageDraw.Draw(img) 
 #					draw.text((10, 10), callsign, font=font2, fill='white')
 #					draw.text((120, 10), telem_string, font=font2, fill='white')					
-					draw.text((10, 10), callsign, font=font2, fill='black')
-					draw.text((120, 10), telem_string, font=font2, fill='black')
+					draw.text((12, 12), callsign, font=font1, fill='black')
+					draw.text((10, 10), callsign, font=font1, fill='white')
+					draw.text((122, 12), telem_string, font=font2, fill='black')
+					draw.text((120, 10), telem_string, font=font2, fill='white')
 					img.save(file)
 
 					system("/home/pi/PiSSTVpp/pisstvpp -r 48000 -p s2 /home/pi/CubeSatSim/camera_out.jpg") 

stempayload/payload_pico/payload_pico.ino

@@ -132,7 +132,7 @@ void setup() {
 
   Serial.print("Pi Zero present, so running Payload OK code.");
   sr_frs_present = true;	 
-  program_radio();  
+//  program_radio();  
   start_payload();
 
   pinMode(15, INPUT_PULLUP);
@@ -185,7 +185,7 @@ void program_radio() {
      mySerial.println("AT+DMOSETGROUP=0,144.3900,144.3900,0,3,0,0\r");    // can change to 144.39 for standard APRS	  
 //    mySerial.println("AT+DMOSETGROUP=0,145.0000,145.0000,0,3,0,0\r");    // can change to 145 for testing ASPRS	  
 #else
-     mySerial.println("AT+DMOSETGROUP=0,435.0000,434.9000,0,3,0,0\r");   // squelch set to 3
+     mySerial.println("AT+DMOSETGROUP=0,435.1000,434.9900,0,3,0,0\r");   // squelch set to 3
 #endif	  
    sleep(0.5);	  
    mySerial.println("AT+DMOSETMIC=8,0\r");  // was 8