send 3 AFSK packets, shift frequency 3 Hz lower

afsk/main.c

@@ -421,7 +421,8 @@ int upper_digit(int number) {
 }
 
 int get_tlm(void) {
-	
+
+for (int j = 0; j < 3; j++);	
   int tlm[7][5];
   memset(tlm, 0, sizeof tlm);
 	
@@ -491,7 +492,7 @@ int get_tlm(void) {
   #endif
 
     char header_str2[] = "echo 'KU2Y>CQ:hi hi ";
-    char footer_str[] = "\' > t.txt && echo \'KU2Y>CQ:hi hi ' >> t.txt && gen_packets -o telem.wav t.txt -r 48000 > /dev/null 2>&1 && cat telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/CubeSatSim/rpitx/rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1";
+    char footer_str[] = "\' > t.txt && echo \'KU2Y>CQ:hi hi ' >> t.txt && gen_packets -o telem.wav t.txt -r 48000 > /dev/null 2>&1 && cat telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/CubeSatSim/rpitx/rpitx -i- -m RF -f 434.897e3 > /dev/null 2>&1";
 
 //    printf("%s-1>%s-1:", (uint8_t *)src_addr, (uint8_t *)dest_addr);  
 
@@ -520,7 +521,11 @@ int get_tlm(void) {
       	  pclose(file2);
 //	printf("Response: %s\n", cmdbuffer);
 //	  fprintf(stderr, "Response\n");
-    printf("End of get_tlm and rpitx =========================================================\n");
+  
+	sleep(2);
+}
+	
+printf("End of get_tlm and rpitx =========================================================\n");
 
 return;
 }