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#!/usr/bin/env python3
#
# The MIT License (MIT)
#
# Copyright (c) 2023 Matthias P. Braendli
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os
import socket
import serial
from tkinter import *
from tkinter import ttk
from functools import partial
import sys
NUM_MACROS=5
DEFAULT_MACROS=["CQ WCA de HB9HI/P HB9HI/P HB9HI/P pse K", "THIS IS A CASTLE ACTIVATION", "REF WCA HB-00631 LOC JN36GR", "", ""]
DEFAULT_CQ_TIMER = 30
class GUI(Frame):
def __init__(self, root):
super().__init__(root)
self.root = root
self.timer_interval = DEFAULT_CQ_TIMER
self.create_widgets()
self.last_tx_freq = None
self.last_serial_message = bytes()
try:
self.serial = serial.Serial("/dev/ttyACM0", 115200, timeout=0)
print(f"Opened serial port {self.serial.name}")
except Exception as e:
self.serial = None
self.set_status(f"Serial port failed {e}")
self.root.after(1000, self.fetch_gqrx_freq)
self.root.after(1000, self.read_serial)
self.root.after(1000, self.handle_timer)
def read_serial(self):
if self.serial is not None:
try:
dat = self.serial.read(1)
if dat:
self.last_serial_message += dat
if self.last_serial_message.endswith(b"\n"):
print(f"< {self.last_serial_message.decode().strip()}")
self.set_status(f"Received: {self.last_serial_message.decode().strip()}")
if self.last_serial_message == b"Switch RX\n" and self.enable_mute.get():
os.system("pactl set-sink-mute alsa_output.pci-0000_00_1f.3.analog-stereo false")
elif self.last_serial_message == b"Switch TX\n" and self.enable_mute.get():
os.system("pactl set-sink-mute alsa_output.pci-0000_00_1f.3.analog-stereo true")
elif self.last_serial_message.startswith(b"FH sent"):
if self.tx_messages:
del self.tx_messages[0]
self.tx_messages_var.set(self.tx_messages)
if self.tx_messages:
msg = self.tx_messages[0]
print(f"Send '{msg}'")
self.send_serial('m {} \n'.format(msg).encode("ascii"))
else:
self.send_serial(b'rx\n')
self.last_serial_message = bytes()
except serial.SerialException as e:
self.set_status(f"Serial read failed: {e:!r}")
except Exception as e:
self.set_status(f"Serial read failed: {e:!r}")
self.root.after(10, self.read_serial)
else:
self.root.after(1000, self.read_serial)
# For GQRX remote control commands see https://github.com/csete/gqrx/blob/master/resources/remote-control.txt
def fetch_gqrx_freq(self):
gqrx_sock = socket.socket()
gqrx_sock.settimeout(100)
try:
gqrx_sock.connect(("127.0.0.1", 7356))
gqrx_sock.send(b"f\n")
buf = gqrx_sock.recv(1024)
freq = int(buf.decode())
if self.enable_freq_sync.get():
self.gqrx_freq_var.set(freq)
tx_freq = freq + self.gqrx_offset_var.get()
if self.last_tx_freq != tx_freq:
self.last_tx_freq = tx_freq
self.send_serial('f{}\n'.format(tx_freq).encode("ascii"))
self.root.after(100, self.fetch_gqrx_freq)
except Exception as e:
self.set_status(f"GQRX socket error {e}")
self.root.after(1000, self.fetch_gqrx_freq)
gqrx_sock.close()
def handle_timer(self):
try:
if self.timer_enabled.get():
pending = self.timer_pending.get()
if pending == 0:
msg = self.macro_widgets[0]["var"].get()
print(f"TX and Send '{msg}'")
self.send_serial('tx\nm {} \n'.format(msg).encode("ascii"))
if self.timer_interval > 0:
self.timer_pending.set(self.timer_interval)
else:
self.timer_enabled.set(0) # safety
else:
self.timer_pending.set(pending - 1)
else:
self.timer_interval = self.timer_pending.get()
except Exception as e:
print(f"Exception {e}")
self.root.after(1000, self.handle_timer)
def terminate(self):
print("Terminate: send RX")
self.send_serial(b'rx\n')
def toggle_to_rx(self):
self.root.after(1000, self.send_serial, b'rx\n')
def send_wspr(self):
self.root.after(1000, self.send_serial, b'wspr\n')
def load_macro(self, i):
self.tx_messages.append(self.macro_widgets[i]["var"].get())
self.tx_messages_var.set(self.tx_messages)
def send_serial(self, message):
if self.serial is not None:
self.serial.write(message)
def set_font_narrow(self):
print("Set font narrow")
self.send_serial(b'fontn\n')
def set_font_wide(self):
print("Set font wide")
self.send_serial(b'fontw\n')
def send_tx_message(self):
if self.tx_messages:
msg = self.tx_messages[0]
print(f"TX and Send '{msg}'")
self.send_serial('tx\nm {} \n'.format(msg).encode("ascii"))
def append_message_edit(self, event=None):
self.tx_messages.append(self.message_edit_var.get())
self.tx_messages_var.set(self.tx_messages)
self.message_edit_var.set("")
def clear_tx_messages(self):
self.tx_messages.clear()
self.tx_messages_var.set(self.tx_messages)
def create_widgets(self):
self.root.columnconfigure(0, weight=1)
self.root.rowconfigure(0, weight=1)
self.top_frame = Frame(self.root, borderwidth=5, relief="ridge", width=800, height=600)
self.top_frame.grid(column=0, row=0, sticky=(N, S, E, W))
self.top_frame.columnconfigure(0, weight=1)
self.top_frame.columnconfigure(1, weight=1)
self.top_frame.rowconfigure(0, weight=0)
self.top_frame.rowconfigure(1, weight=1)
self.macros_frame = Frame(self.top_frame, borderwidth=1, relief="ridge")
self.macros_frame.grid(column=0, row=0, sticky=(N, S, E, W))
self.macro_widgets = []
for i in range(NUM_MACROS):
tv = StringVar()
tv.set(DEFAULT_MACROS[i])
e = Entry(self.macros_frame, textvariable=tv, width=80)
e.grid(column=0, row=i)
b = Button(self.macros_frame, text=f"Load {i+1}", command=partial(self.load_macro, i))
b.grid(column=1, row=i)
def handle_f1_event(i, event=None):
self.load_macro(i)
self.root.bind("<F{}>".format(i+1), partial(handle_f1_event, i))
self.macro_widgets.append({'entry': e, 'button': b, 'var': tv})
self.control_frame = Frame(self.top_frame, borderwidth=1, relief="ridge")
self.control_frame.grid(column=1, row=0, sticky=(N, S, E, W))
self.font_frame = Frame(self.control_frame, borderwidth=1, relief="ridge")
self.font_frame.grid(column=0, row=0)
self.font_label = Label(self.font_frame, text="Font selection")
self.font_label.grid(column=0, row=0)
self.button_font_narrow = Button(self.font_frame, text="Narrow", command=self.set_font_narrow)
self.button_font_narrow.grid(column=0, row=1)
self.button_font_wide = Button(self.font_frame, text="Wide", command=self.set_font_wide)
self.button_font_wide.grid(column=1, row=1)
self.gqrx_frame = Frame(self.control_frame, borderwidth=1, relief="ridge")
self.gqrx_frame.grid(column=0, row=1, sticky=(N, S, E, W))
self.enable_freq_sync = IntVar()
self.enable_mute = IntVar()
self.gqrx_checkbutton = Checkbutton(self.gqrx_frame, text="Sync", variable=self.enable_freq_sync)
self.gqrx_checkbutton.grid(column=0, row=0, columnspan=1)
self.mute_on_tx_checkbutton = Checkbutton(self.gqrx_frame, text="Mute on TX", variable=self.enable_mute)
self.mute_on_tx_checkbutton.grid(column=1, row=0, columnspan=1)
self.gqrx_freq_label = Label(self.gqrx_frame, text="Frequency")
self.gqrx_freq_label.grid(column=0, row=1)
self.gqrx_freq_var = IntVar()
self.gqrx_freq = Label(self.gqrx_frame, width=10, textvariable=self.gqrx_freq_var)
self.gqrx_freq.grid(column=1, row=1, columnspan=1, sticky=(N, S, E, W))
self.gqrx_offset_label = Label(self.gqrx_frame, text="Offset")
self.gqrx_offset_label.grid(column=0, row=2)
self.gqrx_offset_var = IntVar()
self.gqrx_offset_var.set(800)
self.gqrx_offset = Entry(self.gqrx_frame, width=10, textvariable=self.gqrx_offset_var)
self.gqrx_offset.grid(column=1, row=2, columnspan=1, sticky=(N, S, E, W))
self.timer_frame = Frame(self.control_frame, borderwidth=1, relief="ridge")
self.timer_frame.grid(column=0, row=2, sticky=(N, S, E, W))
self.timer_label = Label(self.timer_frame, text="CQ Timer")
self.timer_label.grid(column=0, row=1)
self.timer_pending = IntVar()
self.timer_pending.set(self.timer_interval)
self.timer_entry = Entry(self.timer_frame, textvariable=self.timer_pending)
self.timer_entry.grid(column=0, row=2, columnspan=1, sticky=(N, S, E, W))
self.timer_enabled = IntVar()
self.timer_enable_checkbox = Checkbutton(self.timer_frame, text="CQ Timer", variable=self.timer_enabled)
self.timer_enable_checkbox.grid(column=0, row=3, columnspan=1)
self.trx_frame = Frame(self.control_frame, borderwidth=1, relief="ridge")
self.trx_frame.grid(column=0, row=3, sticky=(N, S, E, W))
self.rx_button = Button(self.trx_frame, text="Receive!", command=self.toggle_to_rx)
self.rx_button.grid(column=0, row=0, columnspan=2)
self.tx_button = Button(self.trx_frame, text="WSPR!", command=self.send_wspr)
self.tx_button.grid(column=0, row=2, columnspan=1)
self.transmit_frame = Frame(self.top_frame, borderwidth=1, relief="ridge")
self.transmit_frame.grid(column=0, row=1, columnspan=2)
self.transmit_frame.columnconfigure(0, weight=1)
self.transmit_frame.columnconfigure(1, weight=1)
self.message_edit_var = StringVar()
self.message_edit = Entry(self.transmit_frame, width=90, textvariable=self.message_edit_var)
self.message_edit.bind("<Return>", self.append_message_edit)
self.message_edit.grid(column=0, row=0, sticky=(N, S, E, W))
self.tx_messages = []
self.tx_messages_var = StringVar(value=self.tx_messages)
self.tx_message_entry = Listbox(self.transmit_frame, width=90, listvariable=self.tx_messages_var)
self.tx_message_entry.grid(column=0, columnspan=2, row=1, sticky=(N, S, E, W))
self.tx_message_entry.columnconfigure(0, weight=1)
self.tx_message_entry.columnconfigure(1, weight=1)
self.tx_message_button = Button(self.transmit_frame, text="Send", command=self.send_tx_message)
self.tx_message_button.grid(column=0, row=2, sticky=(N, S, E, W), columnspan=1)
self.clear_tx_message_button = Button(self.transmit_frame, text="Clear", command=self.clear_tx_messages)
self.clear_tx_message_button.grid(column=1, row=2, sticky=(N, S, E, W), columnspan=1)
self.status_var = StringVar()
self.status_label = Label(self.top_frame, bd=1, relief=SUNKEN, anchor=W, textvariable=self.status_var)
self.status_label.grid(column=0, row=2, columnspan=2, sticky=(N, S, E, W))
self.set_status("")
def set_status(self, message):
self.status_var.set(f"Status: {message}")
root = Tk()
app = GUI(root)
try:
root.mainloop()
finally:
app.terminate()
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