public:radio:radio_database:ic-r75
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Table of Contents
IC-R75
1. Details
2. Repairs / Mods
- -5V DC/DC converter
- various capacitor failures
- “Turn Off” fault - due to overheating of 13V regulator
- Cured by
- Reduce input voltage to 13.8V
- Improve heatsinking of regulator IC to chassis
3. Remote Control
- connected to
shack
server via RS232 shack
server running Python netradioserver.py
to give TCP/IP network controllaptop
PC running Python netradioclient.py
to give user access- Available controls:
gm4slv@laptop:~/Python/PythonProjects/netradio $ python2 client.py There are currently 1 radios connected. ================================= Status of Radio 1 (IC-R75) Frequency : 391.000 kHz Mode: CW S-Meter: -113.0dBm 1 : 0 ================================= Please choose a radio There are currently 1 radios connected. Radio 1 is IC-R75 Choose a radio number from the list : 1 The available commands are: lr : List Radios sr : Select the Radio to control gr : Get currently selected Radio name gm : Get Mode sm : Set Mode gf : Get Freq sf : Set Freq gs : Get S-meter gp : Get Pre-amp pon : Set Pre-amp On poff : Set Pre-amp Off gatt : Get Attn aton : Set Attn On atoff: Set Attn Off ga : Get All (status of all radios) sync : Sync freq/mode on two radios log : Setup background logging to file h : Help (show this command list) q : quit IC-R75 >
- audio via network using
PicoPhone
- running on shack
laptop
viaWine
- running on Windows laptop natively
Remote control is achieved via a SSH connection to shack laptop
to run the netradio client.py
and the RX audio can be heard via PicoPhone.
4. Further Reading
- Python code for the remote control at
github
https://github.com/gm4slv/netradio
server.py
icom.py
import serial import threading from conf import * import time #sport = "COM1" sport = "/dev/ttyS0" sbaud = 9600 lock = threading.Lock() class Icom(object): def __init__(self, model, radio_address, cal): self.ser = serial.Serial(sport, sbaud, timeout=0.1) self.model = model self.radio_address = radio_address self.cal = cal def digi_off(self): sendStr = preamble + preamble + self.radio_address + controller + digi_off_cmd + eom result = self.tx_rx(sendStr) if result[4] == ack: return "Success" elif result[4] == nak: return "NAK received" def get_pre(self): sendStr = preamble + preamble + self.radio_address + controller + set_pre_cmd + eom result = self.tx_rx(sendStr) if not result: return "0" if result[6] == "\x00": return 0 elif result[6] == "\x01": return 1 def get_pwr(self): sendStr = preamble + preamble + self.radio_address + controller + pwr_cmd + eom result = self.tx_rx(sendStr) if not result: return "0" p1 = ord(result[7]) / 16 p2 = ord(result[7]) % 16 p3 = ord(result[6]) / 16 p4 = ord(result[6]) % 16 pwr = float(100 * (10 * p3 + p4) + (10 * p1 + p2)) return int(pwr*100/255) def set_pwr(self, pwr): #if pwr == "25": # spwr = "\x00" + "\x63" #elif pwr == "50": # spwr = "\x01" + "\x27" #elif pwr == "75": # spwr = "\x01" + "\x91" #elif pwr == "100": # spwr = "\x02" + "\x55" rigpwr = int(pwr) * 255 / 100 print "rigpwr ", rigpwr pwr1 = rigpwr / 100 pwr2 = rigpwr % 100 spwr1 = (pwr1 / 10 * 16) spwr2 = (pwr1 % 10) spwr3 = (pwr2 / 10 * 16) spwr4 = (pwr2 % 10) spwr = chr(spwr1+spwr2) + chr(spwr3+spwr4) #print "spwr ", spwr sendStr = preamble + preamble + self.radio_address + controller + pwr_cmd + spwr + eom result = self.tx_rx(sendStr) if result[4] == ack: return self.get_pwr() elif result[4] == nak: return "NAK received" def pre_on(self): sendStr = preamble + preamble + self.radio_address + controller + set_pre_cmd + set_pre_on + eom result = self.tx_rx(sendStr) if result[4] == ack: return "Success" elif result[4] == nak: return "NAK received" def pre_off(self): sendStr = preamble + preamble + self.radio_address + controller + set_pre_cmd + set_pre_off + eom result = self.tx_rx(sendStr) if result[4] == ack: return "Success" elif result[4] == nak: return "NAK received" def ptt_on(self): sendStr = preamble + preamble + self.radio_address + controller + ptt_on_cmd + eom result = self.tx_rx(sendStr) #print result[5] if not result[4] == ack: return "ptt on" elif result[4] == nak: return "Error" def ptt_off(self): sendStr = preamble + preamble + self.radio_address + controller + ptt_off_cmd + eom result = self.tx_rx(sendStr) #print result[5] if not result[4] == ack: return "ptt off" elif result[4] == nak: return "Error" def get_att(self): sendStr = preamble + preamble + self.radio_address + controller + set_att_cmd + eom result = self.tx_rx(sendStr) if not result: return "0" if result[5] == "\x00": return 0 elif result[5] == "\x20": return 1 def att_on(self): sendStr = preamble + preamble + self.radio_address + controller + set_att_cmd + set_att_on + eom result = self.tx_rx(sendStr) if result[4] == ack: return "Success" elif result[4] == nak: return "NAK received" def att_off(self): sendStr = preamble + preamble + self.radio_address + controller + set_att_cmd + set_att_off + eom result = self.tx_rx(sendStr) if result[4] == ack: return "Success" elif result[4] == nak: return "NAK received" def set_freq(self, freq): fdig = "%010d" % int(freq * 1000) bcd = () for i in (8, 6, 4, 2, 0): bcd += self.freq_bcd(int(fdig[i]), int(fdig[i + 1])) set_freq_val = "" for byte in bcd: set_freq_val += chr(byte) sendStr = preamble + preamble + self.radio_address + controller + set_freq_cmd + set_freq_val + eom result = self.tx_rx(sendStr) if result[4] == ack: return "Set Freq success" elif result[4] == nak: return "NAK received / Freq not supported" def get_freq(self): sendStr = preamble + preamble + self.radio_address + controller + get_freq_cmd + eom result = self.tx_rx(sendStr) if not result: return "0" if len(result) > 0: f = 0 for k in [18, 19, 16, 17, 14, 15, 12, 13, 11, 10]: f = 10 * f + self.nib(result, k) self.freq = (float(f) / 1000) return "%.3f" % self.freq def set_mode(self, mode): print "in set_mode() with ", mode if mode == "lsb": set_mode_val = "\x00" elif mode == "usb": set_mode_val = "\x01" elif mode == "am": set_mode_val = "\x02" elif mode == "cw": set_mode_val = "\x03" elif mode == "rtty": set_mode_val = "\x04" elif mode == "fm": set_mode_val = "\x05" elif mode == "cw-r": set_mode_val = "\x07" elif mode == "rtty-r": set_mode_val = "\x08" elif mode == "s-am": set_mode_val = "\x11" else: return "Mode not recognized" sendStr = preamble + preamble + self.radio_address + controller + set_mode_cmd + set_mode_val + eom result = self.tx_rx(sendStr) if result[4] == ack: return "Set Mode Success" elif result[4] == nak: return "NAK received / Mode not supported" def get_mode(self): sendStr = preamble + preamble + self.radio_address + controller + get_mode_cmd + eom result = self.tx_rx(sendStr) if not result: return "0" mode = "" if result[5] == "\x00": mode = "lsb" elif result[5] == "\x01": mode = "usb" elif result[5] == "\x02": mode = "am" elif result[5] == "\x03": mode = "cw" elif result[5] == "\x04": mode = "rtty" elif result[5] == "\x05": mode = "fm" elif result[5] == "\x08": mode = "rtty-r" elif result[5] == "\x07": mode = "cw-r" elif result[5] == "\x11": mode = "s-am" self.mode = mode return self.mode.upper() def get_s(self): sendStr = preamble + preamble + self.radio_address + controller + get_smeter_cmd + eom result = self.tx_rx(sendStr) if not result: return "0" sm1 = ord(result[7]) / 16 sm2 = ord(result[7]) % 16 sm3 = ord(result[6]) / 16 sm4 = ord(result[6]) % 16 s = float(100 * (10 * sm3 + sm4) + (10 * sm1 + sm2)) return s def get_swr(self): sendStr = preamble + preamble + self.radio_address + controller + get_swr_cmd + eom result = self.tx_rx(sendStr) if not result: return "0" sm1 = ord(result[7]) / 16 sm2 = ord(result[7]) % 16 sm3 = ord(result[6]) / 16 sm4 = ord(result[6]) % 16 swr = float(100 * (10 * sm3 + sm4) + (10 * sm1 + sm2)) return swr def get_smeter(self): s = float(self.get_s()) cal = self.cal s1 = s - cal[0] s2 = s1 - cal[1] s3 = s2 - cal[2] s4 = s3 - cal[3] s5 = s4 - cal[4] s6 = s5 - cal[5] s7 = s6 - cal[6] if s1 <= 0: dbm = -123 adj = s / cal[0] * 10 return str(dbm + adj) elif s2 <= 0: dbm = -113 adj = s1 / cal[1] * 10 return str(dbm + adj) elif s3 <= 0: dbm = -103 adj = s2 / cal[2] * 10 return str(dbm + adj) elif s4 <= 0: dbm = -93 adj = s3 / cal[3] * 10 return str(dbm + adj) elif s5 <= 0: dbm = -83 adj = s4 / cal[4] * 10 return str(dbm + adj) elif s6 <= 0: dbm = -73 adj = s5 / cal[5] * 10 return str(dbm + adj) elif s7 <= 0: dbm = -63 adj = s6 / cal[6] * 20 return str(dbm + adj) else: dbm = -43 adj = s7 / cal[7] * 20 return str(dbm + adj) def get_name(self): return self.model def tune(self): print "tuning" curmode = self.get_mode().lower() #print "Current Mode ",curmode curpwr = self.get_pwr() if curpwr < 98: curpwr = curpwr + 1 #print "Current Power ", curpwr #print "Current percent power ", curpwr self.set_mode("rtty") self.set_pwr(25) #print "Tuning power ", self.get_pwr() #print "PTT On" self.ptt_on() time.sleep(2) swr = self.get_swr() #print "SWR :", swr time.sleep(1) self.ptt_off() #print "PTT Off" self.set_mode(curmode) #print "Mode reset ",self.get_mode() self.set_pwr(curpwr) print "Tuned : (ref pwr : %s)" % swr return "Tuned : (ref pwr : %s)" % swr def tx_rx(self, sendStr): lock.acquire() self.ser.write(sendStr) echo = self.ser.read(len(sendStr)) if len(echo) != len(sendStr): return "0" byte = "0" result = "" count = 0 while byte != eom: byte = self.ser.read() #print "%#02x" % ord(byte) result += byte count += 1 if count > 10: break lock.release() #print "" return result def nib(self, s, i): k = ord(s[i / 2]) if i % 2 == 0: k = k >> 4 return k & 0xf def freq_bcd(self, d1, d2): return (16 * d1 + d2),
conf.py
# header preamble = "\xfe" controller = "\xe0" # commands/requests set_freq_cmd = "\x05" set_mode_cmd = "\x06" get_freq_cmd = "\x03" get_mode_cmd = "\x04" get_smeter_cmd = "\x15" + "\x02" get_swr_cmd = "\x15" + "\x12" digi_off_cmd = "\x1a" + "\x04" + "\x00" + "\x00" set_pre_cmd = "\x16" + "\x02" set_pre_off = "\x00" set_pre_on = "\x01" set_att_cmd = "\x11" set_att_on = "\x20" set_att_off = "\x00" ptt_on_cmd = "\x1c" + "\x00" + "\x01" ptt_off_cmd = "\x1c" + "\x00" + "\x00" pwr_cmd = "\x14" + "\x0a" # end of message eom = "\xfd" # controller responses ack = "\xfb" nak = "\xfa" a1 = "\x5A" n1 = "IC-R75" cal1 = ( 25, 1, 36, 47, 31, 18, 34, 35 ) a2 = "\x5e" # a2 = "\x01" n2 = "IC-718" cal2 = ( 27, 28, 58, 10, 14, 14, 35, 42 ) n3 = "AR7030" n4 = "IC-M710"
client.py
__author__ = 'gm4slv' # client to work with server_oo.py # # # v0.1 import socket try: import readline except ImportError: pass import threading import time HOST, PORT = "shack", 9999 smlog = "pymon.txt" log_active = [] def make_con(): global sock sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((HOST, PORT)) def get_rnum(): global num global radios names = connect("listradios") radios = names.split() num = len(radios) return num def get_rname(i): r = radios[i] return r def list_radios(): num = get_rnum() global radio print "\r\nThere are currently %d radios connected." % num for i in range(0, num): r = get_rname(i) print "Radio %d is %s" % (i + 1, r) def get_lradio(): num = get_rnum() lradio = raw_input("Select radio to log: ").strip() if not lradio: print "Please select a radio" return False elif int(lradio) > num: print "Selected radio not recognized" return False else: return lradio def set_radio(): num = get_rnum() # global radio global radio_num global rname print "There are currently %d radios connected." % num for i in range(0, num): r = get_rname(i) print "Radio %d is %s" % (i + 1, r) radio = raw_input("Choose a radio number from the list : ").strip() try: if not radio: print "Please select a radio" return False, False elif int(radio) > num: print "Selected radio not recognized" return False, False except ValueError: print "Please enter a number" return False, False else: radio_num = "".join(("r", radio)) rname = get_rname(int(radio) - 1) return radio_num, rname def prompt(): print "" print "The available commands are:" print "lr : List Radios" print "sr : Select the Radio to control" print "gr : Get currently selected Radio name" print "gm : Get Mode" print "sm : Set Mode" print "gf : Get Freq" print "sf : Set Freq" print "gs : Get S-meter" print "gp : Get Pre-amp" print "pon : Set Pre-amp On" print "poff : Set Pre-amp Off" print "gatt : Get Attn" print "aton : Set Attn On" print "atoff: Set Attn Off" print "ga : Get All (status of all radios)" print "sync : Sync freq/mode on two radios" print "log : Setup background logging to file" print "h : Help (show this command list)" print "q : quit" print "" def start(): global radio_num global rname global sock data = raw_input(rname + " > ").lower().strip() if len(data.split()) > 1: print "only one command at a time please" start() elif data == "lr": list_radios() start() elif data == "sr": radio_num, rname = set_radio() while not radio_num: radio_num, rname = set_radio() start() elif data == "gr": print "Radio selected is %s" % rname start() elif data == "gm": mode = connect("getmode" + " " + radio_num) print "%s replied: %s" % (rname, mode) start() elif data == "sm": smode = raw_input("Enter mode: ") mode = connect("setmode" + " " + smode + " " + radio_num) print "%s replied: %s" % (rname, mode) start() elif data == "gf": freq = connect("getfreq" + " " + radio_num) print "%s replied: %s kHz" % (rname, freq) start() elif data == "sf": sfreq = raw_input("Enter freq (kHz): ") freq = connect("setfreq" + " " + sfreq + " " + radio_num) print "%s replied: %s" % (rname, freq) start() elif data == "gs": smeter = connect("getsmeter" + " " + radio_num) print "%s replied: %sdBm" % (rname, smeter) start() elif data == "gp": preamp = connect("getpreamp" + " " + radio_num) print "%s replied: %s" % (rname, preamp) start() elif data == "pon": preamp = connect("preampon" + " " + radio_num) print "%s replied: %s" % (rname, preamp) start() elif data == "poff": preamp = connect("preampoff" + " " + radio_num) print "%s replied: %s" % (rname, preamp) start() elif data == "gatt": preamp = connect("getatt" + " " + radio_num) print "%s replied: %s" % (rname, preamp) start() elif data == "aton": att = connect("atton" + " " + radio_num) print "%s replied: %s" % (rname, att) start() elif data == "atoff": att = connect("attoff" + " " + radio_num) print "%s replied: %s" % (rname, att) start() elif data == "ga": get_all() start() elif data == "log": fname = raw_input("Enter a filename (or \"Return\" for default) :") if fname == "": fname = smlog # check file is valid try: f = open(fname, 'a+') f.close() except IOError: print "File/path not valid" start() list_radios() lradio = get_lradio() while not lradio: lradio = get_lradio() rname = get_rname(int(lradio) - 1) if lradio in log_active: print "Logging already active on " + rname else: tlog = int(raw_input("Enter a polling interval (seconds) :")) p = threading.Thread(target=log, args=(lradio, tlog, fname)) p.setDaemon(True) p.start() log_active.append(lradio) start() elif data == "sync": sync_result = sync() print sync_result start() elif data == "h" or data == "help": prompt() start() elif data == "q" or data == "quit": rx = connect("quit") print "Server says: %s " % rx else: prompt() start() def get_all(): num = get_rnum() global radio print "There are currently %d radios connected." % num print "=" * 33 for i in range(0, num): r = get_rname(i) n = "".join(("r", str(i + 1))) freq = connect("getfreq" + " " + n) mode = connect("getmode" + " " + str(n)) smeter = connect("getsmeter" + " " + str(n)) preamp = connect("getpreamp" + " " + str(n)) att = connect("getatt" + " " + str(n)) print "Status of Radio %d (%s) \r\n" % (i + 1, r) print "Frequency : %s kHz" % freq print "Mode: %s" % mode print "S-Meter: %sdBm" % smeter print "%s : %s " % (preamp, att) print "=" * 33 print "" def log(p, t, f): print "\n\n" tlog = t sradio = get_rname(int(p) - 1) sr = "".join(("r", str(p))) while True: try: frequency = connect("getfreq" + " " + sr + "\n") smeter = connect("getsmeter" + " " + sr + "\n") mode = connect("getmode" + " " + sr + "\n") write_file(f, sradio, mode, frequency, smeter) time.sleep(tlog) finally: pass def get_mradio(): num = get_rnum() mradio = raw_input("Choose Master radio number from the list: ").strip() if not mradio: print "Please select a radio" return False elif int(mradio) > num: print "Selected radio not recognized" return False else: return mradio def get_sradio(): num = get_rnum() sradio = raw_input("Choose Slave radio number from the list: ").strip() if not sradio: print "Please select a radio" return False elif int(sradio) > num: print "Selected radio not recognized" return False else: return sradio def sync(): num = get_rnum() print "" print "Set SLAVE to the same Frequency and Mode as MASTER.\r\n" print "Currently connected radios are:" for i in range(0, num): r = get_rname(i) print "%d is %s" % (i + 1, r) mradio = get_mradio() while not mradio: mradio = get_mradio() sradio = get_sradio() while not sradio: sradio = get_sradio() sr = "".join(("r", sradio)) mr = "".join(("r", mradio)) mfreq = connect("getfreq" + " " + mr) mmode = connect("getmode" + " " + mr) sfreq = connect("setfreq" + " " + mfreq + " " + sr) smode = connect("setmode" + " " + mmode + " " + sr) return (sfreq + "\r\n" + smode + "\r\n") # Try to send and receive in one-go, to prevent the logging thread and the main prog # getting the wrong receive data def connect(data): try: lock.acquire() global sock sock.sendall(data + "\n") received = sock.recv(2048) finally: lock.release() return received def write_file(fname, rname, mode, freq, smeter): filename = fname f = open(filename, 'a+') timenow = time.strftime("%d/%m/%Y %H:%M:%S", time.gmtime(time.time())) log = " ".join((timenow, rname, mode, freq, smeter, "\r\n")) f.write(log) f.close() make_con() lock = threading.Lock() get_all() print "Please choose a radio\r\n" radio_num, rname = set_radio() while not radio_num: radio_num, rname = set_radio() prompt() start()
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Page created Wed May 25 00:06:01 2022 by John Pumford-Green
Page last updated: 06/03/25 06:49 GMT
public/radio/radio_database/ic-r75.1683299650.txt.gz · Last modified: 06/03/25 06:49 GMT (external edit)