def sample(channel):
""" Callback function for button interrupt that causes a sample to
be taken from both sensors.
"""
time.sleep(0.1)
print("Button pushed!")
DAQC.getINTflags(0) # clear the interrupt
# use light strobes to indicate measurement
DAQC.setDOUTall(0, 0)
for j in range(7):
DAQC.setDOUTbit(0, j)
time.sleep(0.1)
DAQC.clrDOUTbit(0, j)
time.sleep(0.1)
# measure from the BME280 (ORDER MATTERS!)
temp = sensor.read_temperature()
pressure = sensor.read_pressure() / 100. # convert to hectopascals
humidity = sensor.read_humidity()
t = sensor.t_fine
# measure from the (analog) photo-sensor
light = DAQC.getADC(0, 0)
global data
data.append([t, temp, pressure, humidity, light])
# turn off LEDs
DAQC.setDOUTall(0, 0)
def triggerINT():
"""Callback rountine when a Digital Input has been triggered.
"""
logger.debug("triggerINT")
DAQC.setDOUTbit(0, 0)
DAQC.getINTflags(0)
if DEBUG:
print("\033[94m _-*xmit triggered!*-_ \033[0m")
vswr()
DAQC.clrDOUTbit(0, 0)
def leds():
DAQC.enableSWint(0)
DAQC.intEnable(0)
while True:
DAQC.setLED(0, 0)
if DAQC.getINTflags(0) == 256:
break
time.sleep(.25)
if DAQC.getINTflags(0) == 256:
break
DAQC.clrLED(0, 0)
if DAQC.getINTflags(0) == 256:
break
time.sleep(.25)
if DAQC.getINTflags(0) == 256:
break
for i in range(0, 100):
DAQC.clrLED(0, 0)
DAQC.clrLED(0, 1)
def run(self, *args):
logger.info("ButtonPushedThread run start")
DAQC.enableSWint(self.daqcBoard)
DAQC.intEnable(self.daqcBoard)
while True:
if self.isShutdown:
break
if DAQC.getINTflags(self.daqcBoard) == 256:
self.pillDispenser.setDispenseState('CONFIRMING')
break
time.sleep(.25)
def createIote2eRequest(self):
iote2eRequest = None
if DAQC.getINTflags(0) == 256:
logger.info("ProcessLedGreen createIote2eRequest {}".format(
self.sensorName))
pairs = {self.sensorName: self.btnPressed}
iote2eRequest = Iote2eRequest(
login_name=self.loginVo.loginName,
source_name=self.loginVo.sourceName,
source_type='switch',
request_uuid=str(uuid.uuid4()),
request_timestamp=ClientUtils.nowIso8601(),
pairs=pairs,
operation='SENSORS_VALUES')
if self.btnPressed == '1':
self.btnPressed = '0'
else:
self.btnPressed = '1'
return iote2eRequest
def main():
try:
"""Main program loop."""
logger.debug("Main loop start")
cursor.execute("SHOW TABLES LIKE 'swr'")
result = cursor.fetchone()
if result:
if DEBUG:
print("\033[92mDB: database and tables exist \033[0m")
else:
if DEBUG:
print("\033[91mDB: no tables, creating database \033[0m")
createDB()
while True:
if GPIO.event_detected(22):
triggerINT()
rm_utils.clr_all()
# Two red flashes denotes start of cycle
rm_utils.blink_red()
rm_utils.blink_red()
if DEBUG:
print(time.ctime())
print("INT flags: {}".format(DAQC.getINTflags(0)))
db_analog()
db_din()
rm_utils.blink_red()
rm_utils.blink_red()
# Two red flashes denotes end of cycle
rm_utils.clr_all()
if DEBUG:
print("\033[91mDEBUG sleep 10s\033[0m")
sleep(10)
else:
# sleep for 30 minutes
sleep(900)
except KeyboardInterrupt:
cursor.close()
mariadb_connection.close()
GPIO.cleanup()
t = sensor.t_fine
# measure from the (analog) photo-sensor
light = DAQC.getADC(0, 0)
global data
data.append([t, temp, pressure, humidity, light])
# turn off LEDs
DAQC.setDOUTall(0, 0)
# set up GPIO interface for pushbotton on PiDAQC
DAQC.enableSWint(0) # enable pushbutton interrupt
DAQC.intEnable(0) # enable global interrupts
DAQC.getINTflags(0) # clear any flags
# GPIO event detection must be set up AFTER clearing DAQC interrupt flag
GPIO.setmode(GPIO.BCM)
GPIO.setup(22, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(22, GPIO.FALLING, callback=sample)
DAQC.getINTflags(0)
# set up BME280
sensor = BME280(mode=BME280_OSAMPLE_8)
try:
while (1):
# wait for button
DAQC.setLED(0, 0)
time.sleep(0.5)
