-t now needs no parameter

new parameter -k lets user change keying method

hr50ctl.py

@@ -39,6 +39,7 @@ vlcd = {
 def send_command(cmd, param):
     ser = serial.Serial(serial_port, baud, timeout=1)
     command = cmd + param + ';'
+    #print(command)
     ser.write(str.encode(command))
     ser.close()
 
@@ -64,25 +65,48 @@ def get_info():
         vlcd['SWR'] = res[3][1:2] + "." + res[3][2:3]
     ser.close()
 
+keying_methods = {
+        "off" : "0",
+        "ptt" : "1",
+        "cor" : "2",
+        "qrp" : "3"
+        }
 
 def main(argv):
     try:
-        opts, args = getopt.getopt(argv,"hb:t",["band=","tune="])
+        opts, args = getopt.getopt(argv,"hb:tk:")
     except getopt.GetoptError:
-        print("hr50ctl.py -b <band> -t <1|0>")
+        print("Error :(")
+        print("Please consult help via ./hr50ctl.py -h")
         sys.exit(2)
     for opt, arg in opts:
         if opt == '-h':
-            print("hr50ctl.py -b <band> -t <1|0>")
+            print("\nUSAGE: # ./hr50ctl.py -b <band> -t -k <keying mode>")
+            print("\nPARAMETERS:")
+            print("   -k: the following keying methods are available:")
+            print("       off, cor, ptt, qrp")
+            print("       This parameter changes the method how the HR50 will be put into TX mode.")
+            print("   -b: the following bands are available:")
+            print("       6, 10, 12, 15, 20, 17, 20, 30, 40, 60, 80, 160")
+            print("       This parameter changes the band of the HR50")
+            print("   -t: no parameter required.")
+            print("       This parameters initiates the tuning during the next PTT")
+            print("\nEXAMPLES:")
+            print("       Change the band to 12m:          # ./hr50ctl.py -b 12")
+            print("       Change the keying method to PTT: # ./hr50ctl.py -k ptt")
+            print("       Change the band to 6m and tune:  # ./hr50ctl.py -b 6 -t ")
             sys.exit()
-        elif opt in ("-b", "--band"):
+        elif opt == "-b":
             if arg in bands:
                 # change the band
                 send_command("HRBN",bands[arg])
-        elif opt in ("-t", "--tune"):
-            if arg == "1":
+        elif opt == "-t":
+            # let the HR50 know that it should return
+            send_command("HRTU","1")
+        elif opt == "-k":
+            if arg in keying_methods:
                 # let the HR50 know that it should retunr
-                send_command("HRTU1","")
+                send_command("HRMD",keying_methods[arg])
 
     # query all desired info from the HR50
     get_info()
@@ -90,8 +114,10 @@ def main(argv):
     # print info to stdout
     table = PrettyTable(['1', '2', '3', '4'])
     table.add_row([
+        #"STA: " + str_color(vlcd["STA"],"green"),
         "STA: " + vlcd["STA"],
         "PTT: " + vlcd["PTT"],
+        #"BND: " + str_color(vlcd["BND"],"yellow"),
         "BND: " + vlcd["BND"],
         "VLT: " + vlcd["VLT"]])
     table.add_row([