Merge pull request #279 from alanbjohnston/beta-v1.3.2

Beta v1.3.2

README.md

@@ -36,7 +36,7 @@ To get the software follow these steps:
 
 `cd CubeSatSim`
 
-`git checkout sr-frs-rx`
+`git checkout beta-v1.3.2`
 
 You are now ready to install the software using this script in the CubeSatSim directory:
 

hardware/beta-v1.3.2/cubesatsim-STEM-b1.3.2_bom.csv.txt

@@ -0,0 +1,54 @@
+"Qty";"Value";"Device";"Package";"Parts";"Description";"";
+"2";"100";"RESISTORPTH-1/4W-VERT";"AXIAL-0.1";"R8, R30";"Resistor";"";
+"1";"100";"RESISTORPTH-1/4W-VERT-KIT";"AXIAL-0.1EZ";"R19";"Resistor";"";
+"2";"100nF";"CAPPTH";"CAP-PTH-SMALL";"C6, C9";"Capacitor";"";
+"1";"10K";"RESISTORPTH-1/4W-VERT";"AXIAL-0.1";"R27";"Resistor";"";
+"2";"13nH";"SMD-FERRITE-CHIP-120-OHM-500MA(0603)";"L0603";"L1, L2";"303030001";"";
+"2";"16pF";"CERAMIC-10PF-50V-5%-NPO(0603)";"C0603";"C2, C4";"302010097";"";
+"1";"180";"RESISTORPTH-1/4W-VERT";"AXIAL-0.1";"R14";"Resistor";"";
+"2";"18pF";"CERAMIC-10PF-50V-5%-NPO(0603)";"C0603";"C1, C3";"302010097";"";
+"2";"1K";"RESISTORPTH-1/4W-VERT";"AXIAL-0.1";"R1, R3";"Resistor";"";
+"1";"1N4148";"DIODE-D-2.5";"D-2.5";"D3";"DIODE";"";
+"3";"1N5817";"DIODE-D-2.5";"D-2.5";"D1, D2, D4";"DIODE";"";
+"2";"1k";"RESISTORPTH-1/4W-VERT";"AXIAL-0.1";"R7, R29";"Resistor";"";
+"1";"220";"RESISTORPTH-1/4W-VERT";"AXIAL-0.1";"R9";"Resistor";"";
+"1";"220";"RESISTORPTH-1/4W-VERT-KIT";"AXIAL-0.1EZ";"R20";"Resistor";"";
+"2";"4.7k";"RESISTORPTH-1/4W-VERT";"AXIAL-0.1";"R23, R24";"Resistor";"";
+"1";"47uF";"CAPPTH";"CAP-PTH-SMALL";"C5";"Capacitor";"";
+"2";"68";"RESISTORPTH-1/4W-VERT";"AXIAL-0.1";"R13, R15";"Resistor";"";
+"2";"ANT-916-CHP-T";"ANT-916-CHP-T";"XDCR_ANT-916-CHP-T";"E1, E2";"868MHz ISM, LoRa, Sensor Networks, SigFox Chip RF Antenna 863MHz ~ 873MHz 0.5dBi Solder Surface Mount  Check prices";"";
+"1";"BME280";"M04NO_SILK_ALL_ROUND";"1X04_NO_SILK_ALL_ROUND";"J5";"Header 4";"";
+"2";"Blue 5mm";"LED3MM";"LED3MM";"LED2, LED4";"LED";"";
+"1";"CONN_20X2";"CONN_20X2";"2X20";"J1";"Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"3";"DNI/100";"SMD-RES-1.2K-1%-1/10W(0603)";"R0603";"R11, R21, R32";"301010206";"";
+"2";"DNI/100nF";"CERAMIC-10PF-50V-5%-NPO(0603)";"C0603";"C8, C10";"302010097";"";
+"1";"DNI/10k";"R-EU_R0603";"R0603";"R28";"RESISTOR, European symbol";"";
+"1";"DNI/180";"SMD-RES-1.2K-1%-1/10W(0603)";"R0603";"R17";"301010206";"";
+"1";"DNI/1N5817";"DIODE-D-2.5";"D-2.5";"D9";"DIODE";"";
+"2";"DNI/1k";"R-EU_R0603";"R0603";"R2, R4";"RESISTOR, European symbol";"";
+"2";"DNI/1k";"SMD-RES-1.2K-1%-1/10W(0603)";"R0603";"R10, R31";"301010206";"";
+"1";"DNI/1x4 pin header";"CONN_041X04_NO_SILK";"1X04_NO_SILK";"J12";"Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"2";"DNI/220";"SMD-RES-1.2K-1%-1/10W(0603)";"R0603";"R12, R22";"301010206";"";
+"2";"DNI/4.7k";"RESISTORPTH-1/4W-VERT";"AXIAL-0.1";"R33, R34";"Resistor";"";
+"2";"DNI/4.7k";"SMD-RES-1.2K-1%-1/10W(0603)";"R0603";"R25, R26";"301010206";"";
+"1";"DNI/4148WS";"DIODESOD-323F";"SOD-323F";"D7";"Diode";"";
+"1";"DNI/47uF";"CERAMIC-10PF-50V-5%-NPO(0603)";"C0603";"C7";"302010097";"";
+"2";"DNI/5.1k";"R-EU_R0603";"R0603";"R5, R6";"RESISTOR, European symbol";"";
+"1";"DNI/5V1 Zener 1W";"ZENER-DIODEZD-2.5";"ZDIO-2.5";"D8";"Z-Diode";"";
+"2";"DNI/68";"R-US_R0805";"R0805";"R16, R18";"RESISTOR, American symbol";"";
+"2";"DNI/B5817WS";"DIODESOD-323F";"SOD-323F";"D5, D6";"Diode";"";
+"1";"DNI/Sparkfun QWIIC Breakout";"CONN_041X04_NO_SILK";"1X04_NO_SILK";"J10";"Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"1";"DNI/Test Point for MIC_IN";"CONN_01PTH_NO_SILK_YES_STOP";"1X01_NO_SILK";"J11";"Single connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"1";"DNI/USB4105-GF-A or GT-USB-7010B";"USB_C_2-LAYER_PADS";"USB-C-16P-2LAYER-PADS";"J9";"USB Type C 16Pin Connector";"";
+"2";"Green 5mm";"LED3MM";"LED3MM";"LED1, LED3";"LED";"";
+"3";"JUMPER-SMT_2_NC_TRACE_SILK";"JUMPER-SMT_2_NC_TRACE_SILK";"SMT-JUMPER_2_NC_TRACE_SILK";"JP1, JP3, JP4";"Normally closed trace jumper";"";
+"4";"JUMPER-SMT_2_NO_SILK";"JUMPER-SMT_2_NO_SILK";"SMT-JUMPER_2_NO_SILK";"JP2, JP5, JP6, JP7";"Normally open jumper";"";
+"1";"MPU6050";"M08NO_SILK_FEMALE_PTH";"1X08_NO_SILK@1";"J4";"Header 8";"";
+"2";"Micro JST";"M02JST-PTH-VERT";"JST-2-PTH-VERT";"J6, J7";"Standard 2-pin 0.1" header. Use with";"";
+"1";"RA-SPST";"RA-SPST";"RA-SPST";"S1";"";"";
+"1";"Raspberry Pi Pico";"RASPBERRY_PICO-NO_DEBUG";"PICO-PKG-NO_DEBUG";"U1";"";"";
+"1";"Red 5mm";"LED3MM";"LED3MM";"LED5";"LED";"";
+"1";"SC1464-ND";"PG203J";"PG203J";"X1";"MIC/HEADPHONE JACK";"";
+"2";"SMA-VERT";"SMA-VERT";"SMA-VERT";"X2, X3";"";"";
+"1";"SRFRS0W5";"SR_FRS_0W5";"SR_FRS_0W5";"U6";"";"";
+"1";"Sparkfun USB-C Breakout";"CONN_06NO_SILK_FEMALE_PTH";"1X06_NO_SILK";"J8";"Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";

hardware/beta-v1.3.2/cubesatsim-battery-b1.3.2_bom.csv.txt

@@ -0,0 +1,11 @@
+"Qty";"Value";"Device";"Package";"Parts";"Description";"";
+"3";"";"CONN_01";"1X01";"JP2, JP3, JP7";"Single connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"1";"AA battery holder BH3AA-PC";"BH3AA-PC";"BAT_BH3AA-PC";"BT2";"Holder Batt 3-Aa Cells Pc Mount";"";
+"1";"CONN_20X2";"CONN_20X2";"2X20";"J1";"Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"1";"DNI/0.1µF";"CAP_CERAMIC0603";"0603";"C1";"Ceramic Capacitors";"";
+"1";"DNI/R100";"R-US_R0805";"R0805";"R1";"RESISTOR, American symbol";"";
+"1";"INA219 purple board";"INA219";"INA219";"U1";"";"";
+"1";"INA219AIDR";"INA219AIDR";"D0008A_N";"U2";"";"";
+"3";"JUMPER-SMT_2_NO_SILK";"JUMPER-SMT_2_NO_SILK";"SMT-JUMPER_2_NO_SILK";"JP4, JP5, JP6";"Normally open jumper";"";
+"1";"Micro JST";"M02JST-PTH-VERT";"JST-2-PTH-VERT";"JP1";"Standard 2-pin 0.1" header. Use with";"";
+"1";"PTC 0ZRG0120FF1E";"PTCPTH";"PTC";"F1";"Resettable Fuse PTC";"";

hardware/beta-v1.3.2/cubesatsim-solar-b1.3.2_bom.csv.txt

@@ -0,0 +1,18 @@
+"Qty";"Value";"Device";"Package";"Parts";"Description";"";
+"2";"";"CONN_01PTH_NO_SILK_YES_STOP";"1X01_NO_SILK";"JP16, JP19";"Single connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"6";"0.1µF";"CAP_CERAMIC0603";"0603";"C2, C3, C4, C5, C6, C7";"Ceramic Capacitors";"";
+"6";"1A/23V/620mV";"DIODE-SCHOTTKY-BAT20J";"SOD-323";"D7, D8, D9, D10, D11, D12";"Schottky diode";"";
+"6";"1N5817";"DIODE-D-2.5";"D-2.5";"D1, D2, D3, D4, D5, D6";"DIODE";"";
+"2";"4.7k";"RESISTORPTH-1/4W-VERT-KIT";"AXIAL-0.1EZ";"R3, R4";"Resistor";"";
+"1";"CONN_20X2";"CONN_20X2";"2X20";"J1";"Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"2";"DNI-4.7k";"R-US_R0603";"R0603";"R11, R12";"RESISTOR, American symbol";"";
+"2";"DNI-4.7k";"RESISTORPTH-1/4W-VERT-KIT";"AXIAL-0.1EZ";"R7, R8";"Resistor";"";
+"1";"DNI/Sparkfun QWIIC Breakout";"CONN_041X04_NO_SILK";"1X04_NO_SILK";"J5";"Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"1";"Female socket 1x4";"CONN_06NO_SILK_NO_POP";"1X06_NO_SILK";"J4";"Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"6";"INA219 purple board";"INA219";"INA219";"U3, U4, U5, U6, U7, U8";"";"";
+"6";"INA219AIDR";"INA219AIDR";"D0008A_N";"U2, U10, U11, U12, U13, U14";"";"";
+"1";"JUMPER-SMT_2_NO_SILK";"JUMPER-SMT_2_NO_SILK";"SMT-JUMPER_2_NO_SILK";"JP18";"Normally open jumper";"";
+"1";"Micro JST";"CONN_021X02_NO_SILK";"1X02_NO_SILK";"JP8";"Multi connection point. Often used as Generic Header-pin footprint for 0.1 inch spaced/style header connections";"";
+"14";"Micro JST";"M02JST-PTH-VERT";"JST-2-PTH-VERT";"JP1, JP2, JP3, JP4, JP5, JP6, JP7, JP10, JP11, JP12, JP13, JP14, JP15, JP17";"Standard 2-pin 0.1" header. Use with";"";
+"6";"R100";"R-US_R0805";"R0805";"R1, R2, R5, R6, R9, R10";"RESISTOR, American symbol";"";
+"1";"VDD-EN";"JUMPER-SMT_2_NC_TRACE_SILK";"SMT-JUMPER_2_NC_TRACE_SILK";"JP9";"Normally closed trace jumper";"";

hardware/beta-v1.3.2/readme.md

@@ -0,0 +1,33 @@
+Here is information about the Beta version of the CubeSatSim V2 Boards, version beta v1.3.2
+
+There are 3 boards: STEM Payload, Solar (was Main in v1), and Battery
+
+Here's what the files are:
+
+*_gerbers.zip -- All gerber files used to fabricate PCBs along with .TXT drill file
+
+*_schematic.pdf -- Schematic
+
+*_pcb.png -- View of board
+
+*_pour.png -- View of board with fill
+
+*_top.png -- Top view of PCB generated by gerbers
+
+*_bottom.png -- Bottom view of PCB generated by gerbers
+
+*_tNames.pdf -- Top outline of components
+
+*_bNames.pdf -- Bottom outline of components
+
+*.mnt -- top SMD component placement data
+
+*.mnb -- bottom SMD component placement data
+
+*_bom.csv.txt -- Bill of Materials in CSV format
+
+I use PCBWay to fabricate PCBs https://pcbway.com
+
+Here is a very draft bill of materials: https://docs.google.com/spreadsheets/d/1Ta5UaJcinGozcheROrkfwXdGSDUZrXvQ1_nbIBdIIOY/edit?usp=sharing
+
+Draft wiki instructions: https://github.com/alanbjohnston/CubeSatSim/wiki/v1.3.2-0.-Home

main.c

@@ -22,7 +22,7 @@
 
 #include "main.h"
 
-// #define HAB  // uncomment to change APRS icon from Satellite to Balloon
+//#define HAB  // uncomment to change APRS icon from Satellite to Balloon and only BAT telemetry
 
 int main(int argc, char * argv[]) {
 
@@ -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);	
@@ -61,6 +65,10 @@ int main(int argc, char * argv[]) {
   fflush(stdout);
 
 //  sleep(2);
+
+#ifdef HAB
+  Serial.println("HAB mode enabled - balloon icon and BAT only telem and no low voltage shutdown");
+#endif
 	
   FILE * rpitx_restart = popen("sudo systemctl restart rpitx", "r");
   pclose(rpitx_restart);
@@ -168,8 +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	
@@ -346,6 +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)
@@ -386,6 +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));
     }
@@ -805,6 +815,7 @@ int main(int argc, char * argv[]) {
 //    if ((batteryVoltage > 1.0) && (batteryVoltage < batteryThreshold)) // no battery INA219 will give 0V, no battery plugged into INA219 will read < 1V
 
 /**/
+#ifndef HAB	  
     if ((batteryCurrent > currentThreshold) && (batteryVoltage < voltageThreshold) && !sim_mode) // currentThreshold ensures that this won't happen when running on DC power.
     {
       fprintf(stderr, "Battery voltage too low: %f V - shutting down!\n", batteryVoltage);
@@ -820,17 +831,17 @@ int main(int argc, char * argv[]) {
       sleep(1);
       digitalWrite(onLed, onLedOff);
 
-      FILE * file6 = popen("/home/pi/CubeSatSim/log > shutdown_log.txt", "r");
-      pclose(file6);
-      sleep(80);	    
+      FILE * file6; // = popen("/home/pi/CubeSatSim/log > shutdown_log.txt", "r");
+//      pclose(file6);
+//      sleep(80);	    
       file6 = popen("sudo shutdown -h now > /dev/null 2>&1", "r");
       pclose(file6);
       sleep(10);
     }
-
+#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);	  
 	    
 /**/
@@ -1030,10 +1041,18 @@ void get_tlm(void) {
         channel, upper_digit(tlm[channel][4]), lower_digit(tlm[channel][4]));
       //        printf("%s",tlm_str);
 
-//       if (mode != AFSK) 
+#ifdef HAB	    
+       if (mode != AFSK)
+#endif	       
          strcat(str, tlm_str);
-    }
 
+    }
+#ifdef HAB
+    if (mode == AFSK) {
+      sprintf(tlm_str, "BAT %4.2f %5.1f ", batteryVoltage, batteryCurrent);
+      strcat(str, tlm_str);
+    }  
+#endif
     // read payload sensor if available
 /*
     char sensor_payload[500];
@@ -2164,3 +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;
@@ -129,7 +130,7 @@ unsigned int sampleTime = 0;
 int frames_sent = 0;
 int cw_id = ON;
 int vB4 = FALSE, vB5 = FALSE, vB3 = FALSE, ax5043 = FALSE, transmit = FALSE, onLed, onLedOn, onLedOff, txLed, txLedOn, txLedOff, payload = OFF;
-float voltageThreshold = 3.25, batteryVoltage = 4.5, batteryCurrent = 0, currentThreshold = 100;
+float voltageThreshold = 3.6, batteryVoltage = 4.5, batteryCurrent = 0, currentThreshold = 100;
 float latitude = 39.027702f, longitude = -77.078064f;
 float lat_file, long_file;
 double cpuTemp;

rpitx.py

@@ -135,7 +135,13 @@ GPIO.setup(27, GPIO.IN, pull_up_down=GPIO.PUD_UP)
 GPIO.setup(7, GPIO.IN, pull_up_down=GPIO.PUD_UP)
 GPIO.setup(green, GPIO.OUT)
 
-GPIO.setup(squelch, GPIO.IN)
+GPIO.setup(squelch, GPIO.IN, pull_up_down=GPIO.PUD_UP)  ## pull up in case pin is not connected
+
+if GPIO.input(squelch) == False:
+	print("squelch not set correctly, no command input!")
+	no_command = True
+else:
+	no_command = False
 
 transmit = False
 if GPIO.input(12) == False:
@@ -256,8 +262,7 @@ if __name__ == "__main__":
 	
 	system("echo 'hi hi de " + callsign + "' > id.txt && gen_packets -M 20 /home/pi/CubeSatSim/id.txt -o /home/pi/CubeSatSim/morse.wav -r 48000 > /dev/null 2>&1")	
 	
-#	if (mode != 'a'):
-	if (command_tx == True):	
+	if (mode != 'a') and (command_tx == True):	
 		output(pd, 1)
 		output (ptt, 0)
 		output(txLed, txLedOn)
@@ -277,7 +282,7 @@ if __name__ == "__main__":
 		output(pd, 0)
 		sleep(1)
 	else:
-		print("Don't transmit CW ID since command_tx is False")
+		print("Don't transmit CW ID since command_tx is False or APRS mode")
 
 	if (transmit):
 	
@@ -322,7 +327,7 @@ if __name__ == "__main__":
 						system("sudo rm /home/pi/CubeSatSim/ready")
 					f.close()
 					sleep(1)
-					if GPIO.input(squelch) == False:
+					if (no_command == False and GPIO.input(squelch) == False):
 						print("carrier received!")
 						# command_tx = not command_tx
 						print(command_tx)
@@ -388,7 +393,7 @@ if __name__ == "__main__":
 				output (ptt, 1)
 			sleep(5)
 			while True:
-				if GPIO.input(squelch) == False:
+				if (no_command == False and GPIO.input(squelch) == False):
 					print("carrier received!")
 					# command_tx = not command_tx
 					print(command_tx)
@@ -498,7 +503,7 @@ if __name__ == "__main__":
 
 					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")
@@ -513,8 +518,10 @@ if __name__ == "__main__":
 					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") 
@@ -522,7 +529,7 @@ if __name__ == "__main__":
 
 					output(pd, 1)
 					sleep(1)
-					if GPIO.input(squelch) == False:
+					if (no_command == False and GPIO.input(squelch) == False):
 						print("carrier received!")
 						# command_tx = not command_tx
 						print(command_tx)
@@ -607,7 +614,7 @@ if __name__ == "__main__":
 
 						output(pd, 1)
 						sleep(1)
-						if GPIO.input(squelch) == False:
+						if (no_command == False and GPIO.input(squelch) == False):
 							print("carrier received!")
 							# command_tx = not command_tx
 							print(command_tx)
@@ -691,7 +698,7 @@ if __name__ == "__main__":
 #					output(txLed, txLedOn)
 #					sleep(0.03)
 #					output(txLed, txLedOff)
-				if GPIO.input(squelch) == False:
+				if (no_command == False and GPIO.input(squelch) == False):
 					print("carrier received!")
 					# command_tx = not command_tx
 					print(command_tx)
@@ -739,7 +746,7 @@ if __name__ == "__main__":
 #					output(txLed, txLedOn)
 #					sleep(0.03)
 #					output(txLed, txLedOff)
-				if GPIO.input(squelch) == False:
+				if (no_command == False and GPIO.input(squelch) == False):
 					print("carrier received!")
 					# command_tx = not command_tx
 					print(command_tx)

stempayload/payload_pico/payload_pico.h

@@ -152,6 +152,10 @@ uint32_t tx_channel = 0;
 //ax5043_conf_t hax5043;
 //ax25_conf_t hax25;
 
+float xOffset;
+float yOffset;	  
+float zOffset;
+
 int twosToInt(int val, int len);
 float toAprsFormat(float input);
 float rnd_float(double min, double max);
@@ -213,7 +217,7 @@ void get_serial_char();
 void get_serial_clear_buffer();
 void set_lat_lon();
 void program_radio();
-void read_config_file(); 
+bool read_config_file(); 
 void write_config_file(); 
 void read_mode(); 
 void write_mode(); 

stempayload/payload_pico/payload_pico.ino

@@ -6,7 +6,7 @@
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  (at your option) any later version.
- *
+ *F
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -96,7 +96,7 @@ void setup() {
 	
   delay(10000);	
 	
-//  LittleFS.begin();
+  LittleFS.begin();
 //  LittleFS.format();	// only format if files of size 0 keep showing up
 //#ifdef APRS_VHF	  
 //   mode = AFSK;	// force to APRS	
@@ -113,7 +113,7 @@ void setup() {
 	
 // otherwise, run CubeSatSim Pico code
   
-  Serial.println("CubeSatSim Pico Payload v0.1 starting...\n");
+  Serial.println("CubeSatSim Pico Payload v0.2 starting...\n");
 	
 /**/	
   if (check_for_wifi()) {
@@ -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);
@@ -181,23 +181,22 @@ void program_radio() {
     
   for (int i = 0; i < 5; i++) {
      sleep(0.5); // delay(500);
-//  Serial1.println("AT+DMOSETGROUP=0,434.9100,434.9100,1,2,1,1\r");
-//    mySerial.println("AT+DMOSETGROUP=0,434.9000,434.9000,1,2,1,1\r");    
-//     mySerial.println("AT+DMOSETGROUP=0,434.9000,434.9000,0,8,0,0\r");  
-//     mySerial.println("AT+DMOSETGROUP=0,432.2510,432.2510,0,8,0,0\r");  
-//     mySerial.println("AT+DMOSETGROUP=0,432.2500,432.2500,0,8,0,0\r");  
 #ifdef APRS_VHF	  
-     mySerial.println("AT+DMOSETGROUP=0,144.3900,144.3900,0,8,0,0\r");    // can change to 144.39 for standard APRS	  
+     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
 	
   }
  }
+#ifdef APRS_VHF	  	
+ Serial.println("Programming FM tx 144.39, rx on 144.39 MHz");
+#else
  Serial.println("Programming FM tx 434.9, rx on 435.0 MHz");
-	
+#endif	
 //  digitalWrite(PTT_PIN, LOW);  // transmit carrier for 0.5 sec
 //  sleep(0.5);
 //  digitalWrite(PTT_PIN, HIGH);	
@@ -206,75 +205,37 @@ void program_radio() {
   pinMode(PTT_PIN, INPUT);	
 }
 
-void read_config_file() {
+bool read_config_file() {
   char buff[255];
   // Open configuration file with callsign and reset count
   Serial.println("Reading config file");	
-  File config_file = LittleFS.open("/sim.cfg", "r");	
-//  FILE * config_file = fopen("/sim.cfg", "r");
+  File config_file = LittleFS.open("/payload.cfg", "r");	
+//  FILE * config_file = fopen("/payload.cfg", "r");
   if (!config_file) {
-    Serial.println("Creating config file.");
-//    config_file = fopen("/sim.cfg", "w+");
-     config_file = LittleFS.open("/sim.cfg", "w+");		  
-	  
-//    fprintf(config_file, "%s %d", " ", 100);
-//	  sprintf(buff, "%d\n", cnt);
-    sprintf(buff, "%s %d", "AMSAT", 0);
-    config_file.write(buff, strlen(buff));	  
-	  
-	  
-    config_file.close();
-	  
-    config_file = LittleFS.open("/sim.cfg", "r");	  
+    return(false);  
   }
 
 //  char * cfg_buf[100];
   config_file.read((uint8_t *)buff, 255);
 //  sscanf(buff, "%d", &cnt);	
-  sscanf(buff, "%s %d %f %f %s", callsign, & reset_count, & lat_file, & long_file, sim_yes);
+  sscanf(buff, "%f %f %f", xOffset, yOffset, zOffset);
   config_file.close();
-  if (debug_mode)	
-    Serial.printf("Config file /sim.cfg contains %s %d %f %f %s\n", callsign, reset_count, lat_file, long_file, sim_yes);
-	
-  reset_count = (reset_count + 1) % 0xffff;
-
-  if ((fabs(lat_file) > 0) && (fabs(lat_file) < 90.0) && (fabs(long_file) > 0) && (fabs(long_file) < 180.0)) {
-    Serial.println("Valid latitude and longitude in config file\n");
-// convert to APRS DDMM.MM format
-    latitude = lat_file; // toAprsFormat(lat_file);
-    longitude = long_file; // toAprsFormat(long_file);
-    Serial.printf("Lat/Lon updated to: %f/%f\n", latitude, longitude);
-  }
-//  } else { // set default
-//    latitude = toAprsFormat(latitude);
-//    longitude = toAprsFormat(longitude);
-//  }
-//  Serial.printf("sim_yes: %s\n", sim_yes);
-  char yes_string[] = "yes";	
-//  if (strcmp(sim_yes, yes_string) == 0) {
-  if (sim_yes[0] == 'y') {
-	  sim_mode = true;	
-	  Serial.println("Simulated telemetry mode set by config file");
-  }
+//  if (debug_mode)	
+    Serial.printf("Config file /payload.cfg contains %f %f %f\n", xOffset, yOffset, zOffset);
 	
   config_file.close();	
 	
-  write_config_file();	
+//  write_config_file();	
+
+  return(true);	
 }
 
 void write_config_file() {
-  Serial.println("Writing /sim.cfg file");	
+  Serial.println("Writing /payload.cfg file");	
   char buff[255];	
-  File config_file = LittleFS.open("/sim.cfg", "w+");		  
+  File config_file = LittleFS.open("/payload.cfg", "w+");		  
 	  
-//  sprintf(buff, "%s %d", callsign, );
-	
-  if (sim_mode)
-	strcpy(sim_yes, "yes");
-  else
-	strcpy(sim_yes, "no");
-	
-  sprintf(buff, "%s %d %f %f %s", callsign, reset_count, latitude, longitude, sim_yes);
+  sprintf(buff, "%f %f %f", xOffset, yOffset, zOffset);
   Serial.println("Writing string ");	
 //  if (debug_mode)	
     print_string(buff);	
@@ -365,28 +326,16 @@ void start_payload() {
   else {
     mpuPresent = 1;
     mpu6050.begin();	  
-	  
-  long flag;
-  float xOffset;
-  float yOffset;	  
-  float zOffset;		  
-  EEPROM.get(0, flag);
-	  
-  if ((flag == 0xA07) && (payload_command != PAYLOAD_RESET))
-  {
-    Serial.println("Reading gyro offsets from EEPROM\n");
 
-    EEPROM.get(4, xOffset);
-    EEPROM.get(8, yOffset);
-    EEPROM.get(12, zOffset);
-	  
-    Serial.println(xOffset, DEC);
-    Serial.println(yOffset, DEC);
-    Serial.println(zOffset, DEC);
 
+//  if ((read_config_file()) && (payload_command != PAYLOAD_RESET))
+  if (false)	  
+  {
+    Serial.println("Reading gyro offsets from config file\n");
     mpu6050.setGyroOffsets(xOffset, yOffset, zOffset);
 	  	  
   }
+	  
   else
   {
     payload_command = false;
@@ -400,32 +349,12 @@ void start_payload() {
     eeprom_word_write(2, (int)(mpu6050.getGyroYoffset() * 100.0) + 0.5);
     eeprom_word_write(3, (int)(mpu6050.getGyroZoffset() * 100.0) + 0.5);
 */
-    flag = 0xA07;
+//    flag = 0xA07;
     xOffset = mpu6050.getGyroXoffset();
     yOffset = mpu6050.getGyroYoffset();
     zOffset = mpu6050.getGyroZoffset();
 	  
-    EEPROM.put(0, flag);
-    EEPROM.put(4, xOffset);
-    EEPROM.put(8, yOffset);
-    EEPROM.put(12, zOffset);
-	  
-    if (EEPROM.commit()) {
-      Serial.println("EEPROM successfully committed");
-    } else {
-      Serial.println("ERROR! EEPROM commit failed");
-    }
-	  
-    Serial.println(" ");	  
-    float f;	  
-    EEPROM.get(0, flag);  		  
-    Serial.println(flag, HEX);
-    EEPROM.get(4, f);  
-    Serial.println(f);		  
-    EEPROM.get(8, f);  
-    Serial.println(f);	
-    EEPROM.get(12, f);  
-    Serial.println(f);		  
+    write_config_file();	  
   }
   }		
 
@@ -1049,7 +978,7 @@ void prompt_for_input() {
        Serial.println("d  Change debug mode");
        Serial.println("w  Connect to WiFi\n");
 		  
-//       Serial.printf("Software version v0.39 \nConfig file /sim.cfg contains %s %d %f %f %s\n\n", callsign, reset_count, lat_file, long_file, sim_yes);
+//       Serial.printf("Software version v0.39 \nConfig file /payload.cfg contains %s %d %f %f %s\n\n", callsign, reset_count, lat_file, long_file, sim_yes);
 /*		  
        switch(mode) {