removed subprocess import and changed time.sleep to sleep

rpitx.py

@@ -1,8 +1,9 @@
 #!/usr/bin/env python
 
 import RPi.GPIO as GPIO
-import subprocess
-import time
+#import subprocess
+#import time
+from time import sleep
 #import os
 import sys
 from os import system
@@ -83,10 +84,10 @@ if __name__ == "__main__":
 	else:
 		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 && cat /home/pi/CubeSatSim/morse.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1")
 		
-	time.sleep(4); # was 8
+	sleep(4); # was 8
 	GPIO.output(txLed, txLedOff)
 
-	time.sleep(1)
+	sleep(1)
 
 	
 	if (transmit):
@@ -97,7 +98,7 @@ if __name__ == "__main__":
 #        		print("There are arguments!")
 		if (mode == 'a'):
 			print("AFSK")
-			time.sleep(5)
+			sleep(5)
 			try:
 				file = open("/home/pi/CubeSatSim/t.txt")
 				file.close()
@@ -109,9 +110,9 @@ if __name__ == "__main__":
 					system("gen_packets -o /home/pi/CubeSatSim/telem.wav /home/pi/CubeSatSim/t.txt -r 48000 > /dev/null 2>&1 && cat /home/pi/CubeSatSim/telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3")
 				else:
 					system("gen_packets -o /home/pi/CubeSatSim/telem.wav /home/pi/CubeSatSim/t.txt -r 48000 > /dev/null 2>&1 && cat /home/pi/CubeSatSim/telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1")					
-				time.sleep(0.2)
+				sleep(0.2)
 				GPIO.output(txLed, txLedOff)
-				time.sleep(3.8)
+				sleep(3.8)
 			while True:
 				try:
 					f = open("/home/pi/CubeSatSim/ready")
@@ -123,12 +124,12 @@ if __name__ == "__main__":
 					GPIO.output(txLed, txLedOff)
 					f.close()
 					system("sudo rm ready")
-					time.sleep(0.5)
+					sleep(0.5)
 				except:		  
-					time.sleep(0.5)
+					sleep(0.5)
 		elif (mode == 'm'):
 			print("CW")
-#			time.sleep(4)
+#			sleep(4)
 			try:
 				file = open("/home/pi/CubeSatSim/cw.txt")
 				file.close()
@@ -152,9 +153,9 @@ if __name__ == "__main__":
 					GPIO.output(txLed, txLedOff)
 					f.close()
 					system("sudo rm cwready")
-					time.sleep(1)
+					sleep(1)
 				except:		  
-					time.sleep(1)
+					sleep(1)
 		elif (mode == 's'):
 			print("SSTV")
 			try: 
@@ -183,7 +184,7 @@ if __name__ == "__main__":
 					else:
 						system("cat /home/pi/CubeSatSim/sstv_image_2_320_x_256.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1")
 					GPIO.output(txLed, txLedOff)
-	#					time.sleep(1)
+	#					sleep(1)
 				except:
 					print("image 2 did not load - copy from CubeSatSim/sstv directory")
 				while 1:
@@ -197,7 +198,7 @@ if __name__ == "__main__":
 					else:
 						system("cat /home/pi/CubeSatSim/camera_out.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1")
 					GPIO.output(txLed, txLedOff)
-					time.sleep(1)
+					sleep(1)
 			else:
 				try:
 					file = open("/home/pi/CubeSatSim/sstv_image_1_320_x_256.jpg")
@@ -210,7 +211,7 @@ if __name__ == "__main__":
 					else:
 						system("cat /home/pi/CubeSatSim/sstv_image_1_320_x_256.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1")
 					GPIO.output(txLed, txLedOff)
-					time.sleep(1)
+					sleep(1)
 				except:
 					print("image 1 did not load - copy from CubeSatSim/sstv directory")
 				try:
@@ -225,15 +226,15 @@ if __name__ == "__main__":
 						else:
 							system("cat /home/pi/CubeSatSim/sstv_image_2_320_x_256.jpg.wav | csdr convert_i16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1")
 						GPIO.output(txLed, txLedOff)
-						time.sleep(5)
+						sleep(5)
 				except:	
 					print("image 2 did not load - copy from CubeSatSim/sstv directory")
 					system("(while true; do (sleep 5 && cat /home/pi/CubeSatSim/wav/sstv.wav); done) | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434.9e3 &")
 					while 1:
 						GPIO.output(txLed, txLedOn)
-						time.sleep(60)
+						sleep(60)
 						GPIO.output(txLed, txLedOff)
-						time.sleep(1)
+						sleep(1)
 
 		elif (mode == 'b'):
 			print("BPSK")
@@ -241,18 +242,18 @@ if __name__ == "__main__":
 			print("Turning LED on/off")
 			while 1:
 				GPIO.output(txLed, txLedOff)
-				time.sleep(0.5)
+				sleep(0.5)
 				GPIO.output(txLed, txLedOn)
-				time.sleep(4.0)
+				sleep(4.0)
 		else:
 			print("FSK") 
 			system("sudo nc -l 8080 | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3 &")
 			print("Turning LED on/off")
 			while 1:
 				GPIO.output(txLed, txLedOff)
-				time.sleep(0.5)
+				sleep(0.5)
 				GPIO.output(txLed, txLedOn)
-				time.sleep(4.0)
+				sleep(4.0)
 #		else:
 #			print("FSK") 
 #			system("sudo nc -l 8080 | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3")
@@ -260,4 +261,4 @@ if __name__ == "__main__":
 	else:
 		print("No Band Pass Filter so no telemetry transmit.  See http://cubesatsim.org/wiki for instructions on how to build the BPF.")
 		while 1:
-			time.sleep(5)
+			sleep(5)