def initialize_sensors(info_config):
"""Do all setup operations necesary to get ready prior to recording data.
"""
# Config data.
pins_data = info_config['pins_data']
pin_power = int(info_config['pin_power'])
# Initialize GPIO.
# dht22.SetupGpio()
# Power up the sensors.
if pin_power:
dht22._pinMode(pin_power, dht22._OUTPUT)
dht22._digitalWrite(pin_power, True)
time.sleep(5)
# Create data recording channels.
channels, queue = sensors.start_channels(pins_data)
ok = sensors.check_channels_ok(channels, verbose=True)
if not ok:
sensors.stop_channels(channels)
raise ValueError('Data channels not ready.')
# Done.
return channels, queue
def initialize_sensors(info_config):
"""Do all setup operations necesary to get ready prior to recording data.
"""
# Config data.
pins_data = info_config['pins_data']
pin_power = int(info_config['pin_power'])
# Initialize GPIO.
# dht22.SetupGpio()
# Power up the sensors.
if pin_power:
dht22._pinMode(pin_power, dht22._OUTPUT)
dht22._digitalWrite(pin_power, True)
time.sleep(5)
# Create data recording channels.
channels, queue = sensors.start_channels(pins_data)
ok = sensors.check_channels_ok(channels, verbose=True)
if not ok:
sensors.stop_channels(channels)
raise ValueError('Data channels not ready.')
# Done.
return channels, queue
def finalize(channels, info_config):
"""
Do all operations necesary to shutdown.
"""
# Stop recording.
if channels:
sensors.stop_channels(channels)
# Turn off the sensors.
if info_config:
if info_config['pin_power']:
print('pin_power off')
dht22._digitalWrite(info_config['pin_power'], False)
def finalize(channels, info_config):
"""
Do all operations necesary to shutdown.
"""
# Stop recording.
if channels:
sensors.stop_channels(channels)
# Turn off the sensors.
if info_config:
if info_config['pin_power']:
print('pin_power off')
dht22._digitalWrite(info_config['pin_power'], False)
def power_cycle(channels, info_config, time_off=30):
"""
Power cycle all conected sensors.
time_off: sleep time in seconds.
"""
if not info_config['pin_power']:
# Nothing to do.
pass
else:
# Do it.
sensors.pause_channels(channels)
time.sleep(0.01)
dht22._digitalWrite(info_config['pin_power'], False)
time.sleep(time_off)
dht22._digitalWrite(info_config['pin_power'], True)
time.sleep(0.01)
sensors.unpause_channels(channels)
def power_cycle(channels, info_config, time_off=30):
"""
Power cycle all conected sensors.
time_off: sleep time in seconds.
"""
if not info_config['pin_power']:
# Nothing to do.
pass
else:
# Do it.
sensors.pause_channels(channels)
time.sleep(0.01)
dht22._digitalWrite(info_config['pin_power'], False)
time.sleep(time_off)
dht22._digitalWrite(info_config['pin_power'], True)
time.sleep(0.01)
sensors.unpause_channels(channels)
