Create program_fm.py

groundstation/program_fm.py

@@ -0,0 +1,39 @@
+import serial	
+from os import system
+
+if __name__ == "__main__":
+  txf = 434.9
+  rxf = 435
+	if (len(sys.argv)) > 1:
+    print("There are arguments!")
+		txf = float(sys.argv[1])
+    if (len(sys.argv)) > 2:
+			rxf = loat(sys.argv[2])
+		print("Programming FM module!\n")
+    tx = "{:.4f}".format(txf)
+    rx = "{:.4f}".format(rxf)
+    print(tx)
+    print(rx)
+		output(pd, 1)
+		output (ptt, 1)
+
+    system("gpio -g mode 20 out")
+    system("gpio -g write 20 1")
+    system("gpio -g mode 21 out  # set PD high")
+    system("gpio -g write 21 1")
+
+		try:
+			ser = serial.Serial("/dev/ttyAMA0", 9600)
+			print(ser.portstr)
+			uhf_string = "AT+DMOSETGROUP=0," + rx +"," + tx + ",0,3,0,0\r\n"
+	#		uhf_string = "AT+DMOSETGROUP=0," + rx + "," + tx + "," + rxpl_value + "," + sq + "," + txpl_value + ",0\r\n"
+			print(uhf_string)
+			for i in range(6):
+	#			ser.write(b"AT+DMOSETGROUP=0,435.0000,434.9000,0,3,0,0\r\n")
+				ser.write(uhf_string.encode())
+				sleep(0.1)
+			ser.close()
+			ser = serial.Serial("/dev/ttyAMA0", 115200) # reset back to 115200 for cubesatsim code for payload sensor data
+		except:
+			print("Error in serial write")
+		system("gpio -g write 21 0")