Update main.c only start rpitx at start

main.c

@@ -45,6 +45,8 @@ int main(int argc, char * argv[]) {
     fprintf(stderr, "Pi Zero 2 detected\n");
     pi_zero_2_offset = 500;
     if (uptime_sec < 30.0) {
+	FILE * rpitx_stop = popen("sudo systemctl start rpitx", "r");
+  	pclose(rpitx_stop);   
         fprintf(stderr, "Sleep 5 sec");    
 	sleep(5);  // try sleep at start to help boot
     }
@@ -63,6 +65,8 @@ int main(int argc, char * argv[]) {
 	    }
     }
     if (uptime_sec < 30.0) {
+	FILE * rpitx_stop = popen("sudo systemctl start rpitx", "r");
+  	pclose(rpitx_stop);
 	fprintf(stderr,"Sleep 10 sec");    
     	sleep(10);
     }
@@ -125,8 +129,7 @@ int main(int argc, char * argv[]) {
 	
 //  FILE * rpitx_stop = popen("sudo systemctl stop rpitx", "r");
 //  FILE * rpitx_stop = popen("sudo systemctl restart rpitx", "r");
-  FILE * rpitx_stop = popen("sudo systemctl start rpitx", "r");
+
-  pclose(rpitx_stop);
 
 //  FILE * cc_start = popen("/home/pi/CubeSatSim/command &", "r");
 //  pclose(cc_start);