def test_relay(delay):
test = get_all_device_paths()
print(test)
set_relay_state(test[0], 1, OFF) # ensure it is turned off
set_relay_state(test[0], 2, OFF)
print(
"Beginning loop with a {} second cycles. Ctrl+C to stop".format(delay)
)
cycles = 0 # counter
try:
while True:
print("Turning Relay On")
set_relay_state(test[0], 1, ON)
set_relay_state(test[0], 2, ON)
time.sleep(delay)
print("Turning Relay Off")
set_relay_state(test[0], 1, OFF)
set_relay_state(test[0], 2, OFF)
time.sleep(delay)
cycles += 1
if cycles == 1:
print(cycles, "Cycle completed")
else:
print(cycles, "Cycles completed")
except KeyboardInterrupt:
print("Preparing for graceful shutdown...")
set_relay_state(test[0], 1, OFF) # ensure it is turned off
set_relay_state(test[0], 2, OFF)
print("Test Concluded")
def turn_off_usb_relay(num_of_chs=2):
print('Turning OFF all USB relays...')
for relay in get_all_device_paths():
print('Turning OFF channels of relay {}'.format(relay.decode('utf-8')))
for ch in range(num_of_chs):
set_relay_state(relay, ch, OFF)
print('Channel {} is set to OFF.'.format(ch))
def __init__(self, host, port, entry='relay',
automaticDiscovery=True, relayIdx=0, relayDevId=None):
self.host = host
self.port = port
self.entry = entry
if automaticDiscovery:
relays = list(map(lambda x: x.decode('utf8'),
get_all_device_paths()))
self.relay = relays[relayIdx]
else:
self.relay = relayDevId
async def handler_relay_list(self, request):
devs = '\n'.join([p.decode('utf-8') for p in get_all_device_paths()])
return web.Response(text=devs)
try:
while True:
print("Turning Relay On")
set_relay_state(test[0], 1, ON)
set_relay_state(test[0], 2, ON)
time.sleep(delay)
print("Turning Relay Off")
set_relay_state(test[0], 1, OFF)
set_relay_state(test[0], 2, OFF)
time.sleep(delay)
cycles += 1
if cycles == 1:
print(cycles, "Cycle completed")
else:
print(cycles, "Cycles completed")
except KeyboardInterrupt:
print("Preparing for graceful shutdown...")
set_relay_state(test[0], 1, OFF) # ensure it is turned off
set_relay_state(test[0], 2, OFF)
print("Test Concluded")
if __name__ == "__main__":
relay_paths = get_all_device_paths()
sleep_time = int(sys.argv[1])
test_relay(sleep_time)