import time
import xmlrpc.client
from datetime import datetime
FLRIG_HOST = “192.168.1.31” # Replace with your flrig host
FLRIG_PORT = 12345 # Default flrig XML-RPC port
server_url = f”http://{FLRIG_HOST}:{FLRIG_PORT}/RPC2″
def determine_antenna_button(frequency_mhz):
“””
Determine the button number to trigger based on frequency.
“””
if 1.8 <= frequency_mhz <= 2.0: # 160m
return 2 # ANT2 corresponds to User Button #2
elif 5.3 <= frequency_mhz <= 5.4: # 60m
return 2 # ANT2 corresponds to User Button #2
elif 3.5 <= frequency_mhz <= 54: # 80m to 6m
return 1 # ANT1 corresponds to User Button #1
else:
return None # Frequency is out of supported range
def switch_antenna():
“””
Core logic to determine the frequency and switch antenna ports.
“””
try:
# Connect to the flrig server
client = xmlrpc.client.ServerProxy(server_url)
print(“Connected to flrig”)
# Get current frequency
frequency_hz = float(client.rig.get_vfoA())
frequency_mhz = frequency_hz / 1e6
print(f”Current Frequency (VFO A): {frequency_mhz:.3f} MHz”)
# Determine the correct user-defined button
button = determine_antenna_button(frequency_mhz)
if button:
print(f”Switching antenna using User Button #{button}”)
# Trigger the user-defined button via rig.cmd
response = client.rig.cmd(button)
print(f”Button #{button} execution response: {response}”)
if response is None:
print(f”Antenna successfully switched using Button #{button}.”)
else:
print(f”Unexpected response: {response}”)
else:
print(“Frequency is outside supported range. No action taken.”)
except Exception as e:
print(f”Error: {e}”)
def wait_until_next_minute():
“””
Wait until exactly :00.750 seconds of the next minute.
“””
while True:
now = datetime.now()
milliseconds = now.microsecond // 1000
if now.second == 0 and milliseconds >= 750:
break
time.sleep(0.001) # Sleep in small increments to stay accurate
def calculate_sleep_duration():
“””
Calculate the sleep duration until exactly :00.750 seconds of the next minute.
“””
now = datetime.now()
seconds_to_next_minute = 60 – now.second – 1 # Time until the next minute
# Convert microseconds to seconds and calculate the total sleep time
sleep_time = seconds_to_next_minute + 0.750 – (now.microsecond / 1_000_000.0)
return max(0, sleep_time) # Ensure sleep time is never negative
def main():
print(“Starting Antenna Switching Service…”)
print(“Script will run at :00.750 of every minute.”)
while True:
# Calculate sleep duration and ensure it’s non-negative
sleep_time = calculate_sleep_duration()
print(f”Sleeping for {sleep_time:.3f} seconds until the next :00.750 mark.”)
time.sleep(sleep_time) # Sleep for the calculated duration
# Run the antenna switch logic
switch_antenna()
if __name__ == “__main__”:
main()
