def test_when_request_times_out(self):
with unittest.mock.patch('http.client.HTTPSConnection') as MockHTTPSConnection:
mock_connection = MockHTTPSConnection.return_value
mock_connection.request = unittest.mock.MagicMock(side_effect=socket.timeout())
system_id = 'b90e1fc0-53d3-42ba-8bf6-83453e6af744'
flic_last_seen_secs = 5
success = heartbeat.send_heartbeat(flic_last_seen_secs, system_id)
assert success == False
assert mock_connection.request.called
def test_when_heartbeat_server_is_not_working(self):
with unittest.mock.patch('http.client.HTTPSConnection') as MockHTTPSConnection:
mock_connection = MockHTTPSConnection.return_value
mock_response = unittest.mock.MagicMock()
mock_response.status = 500
mock_connection.getresponse.return_value = mock_response
mock_connection.request = unittest.mock.MagicMock()
system_id = 'b90e1fc0-53d3-42ba-8bf6-83453e6af744'
flic_last_seen_secs = 5
success = heartbeat.send_heartbeat(flic_last_seen_secs, system_id)
assert success == False
assert mock_connection.request.called
def tof_readings():
# for heartbeat
start_time = datetime.now()
heartbeat_delta = timedelta(minutes=15)
#MQTT Client setup
client = mqtt.Client(client_id="T1_TOF")
client.username_pw_set(username="******", password="******")
client.connect("18.141.11.6")
# client.publish("test", "randylovesyellow")
global readings
lowerThreshold = 300
upperThreshold = 1500
outside = 0
inside = 0
status = 0 # toggle ROI: 0 - inside, 1 - outside
i = 1
zero_count = 0
prev_reading = [0, 0]
while True:
now = datetime.now()
# Heartbeat logic
if (now - start_time) >= heartbeat_delta:
heartbeat.send_heartbeat(client, "E_TOF")
start_time = now
curr_reading = [0, 0] #inside, outside
if status:
outside = outsideDistance(lowerThreshold, upperThreshold)
if outside:
curr_reading[1] = 1
#print("outside")
#print("Left: " + str(showLeft) + " |")
status = 0
if not status:
inside = insideDistance(lowerThreshold, upperThreshold)
if inside:
curr_reading[0] = 1
#print("inside")
#print(" | Right: " + str(showRight) )
status = 1
if i == 1 and sum(curr_reading) == 1:
readings.append(curr_reading)
prev_reading = curr_reading[:]
i = 0
zero_count = 0
#print(readings)
pass
if curr_reading != prev_reading:
if sum(curr_reading) == 1:
readings.append(curr_reading)
prev_reading = curr_reading[:]
zero_count = 0
#print(readings)
pass
if sum(curr_reading) == 0:
zero_count += 1
if zero_count > 7 and i == 0:
readings.append(curr_reading)
i = 1
prev_reading = [0, 0]
#process_thread = threading.Thread(target=counting, args=[readings])
#process_thread.start()
counting(readings)
readings = []
def main():
# Instantiate Capacitive Sensor object
mpr121 = MPR121.MPR121()
# Admin attributes
SEAT_NUMBER = 4
start_time = datetime.now()
heartbeat_delta = timedelta(minutes=5)
# Capacitive Sensor Setup
CHANNEL_NUM = 11
SD_THRESHOLD = 5
EMPTY_THRESHOLD = 120
HOGGING_THRESHOLD = 100
mpr121.sensor_init()
mpr121.set_threshold(0x60)
mpr121.wait_for_ready()
readings = np.array([])
minimum_readings = 50
window = 50
status = "Unoccupied"
change = False
# PIR Motion Sensor Setup
pir_sensor = 8
led_port = 4
motion = 0
grovepi.pinMode(pir_sensor, "INPUT")
grovepi.pinMode(led_port, "OUTPUT")
last_motion = datetime.now()
max_delta = timedelta(seconds=3)
#max_delta = timedelta(hours=2)
time.sleep(5)
#MQTT Client setup
client = mqtt.Client(client_id="T5-2")
client.username_pw_set(username="******", password="******")
client.connect("18.141.11.6")
heartbeat.send_heartbeat(client, SEAT_NUMBER)
print("Starting monitoring")
while True:
try:
original_status = status
now = datetime.now()
# Heartbeat logic
if (now - start_time) >= heartbeat_delta:
heartbeat.send_heartbeat(client, SEAT_NUMBER)
start_time = now
client.reconnect()
#print("Client reconnect")
# Capacitive logic
readings_arr = mpr121.listen_sensor_status()
r = readings_arr[CHANNEL_NUM]
# Add newest reading to array
readings = np.append(readings, [r])
# If less than required window of readings, continue taking
if len(readings) < window:
continue
# This else-if calibrates the baseline to either 2 SDs below or a fixed amount slightly lower
# If an item is on the table when this is run, the empty baseline will be calibrated too low
elif len(readings) == window:
# Reset the desk status back to unoccupied
client.reconnect()
msg = "['" + str(SEAT_NUMBER) + "','" + str(now) + "','" + str(
0) + "']"
client.publish("hd/status", msg)
# EMPTY_THRESHOLD = np.mean(readings) - np.std(readings) * 2
EMPTY_THRESHOLD = np.mean(readings) - 3
continue
# Remove oldest reading
readings = np.delete(readings, 0)
print(readings)
# Get mean and standard deviation
average = np.mean(readings)
sd = np.std(readings)
print(average)
# print(sd)
# If std. deviation > threshold, means change in state
# if sd >= SD_THRESHOLD:
# change = True
# Motion Sensor logic
motion = grovepi.digitalRead(pir_sensor)
if motion == 0 or motion == 1: # check if reads were 0 or 1 it can be 255 also because of IO Errors so remove those values
if motion == 1:
# print ('Motion Detected')
last_motion = datetime.now()
if average > EMPTY_THRESHOLD:
status = "Unoccupied"
elif average > HOGGING_THRESHOLD:
# status = "Items on desk"
status = "Occupied"
else:
# status = "Laptop on desk"
status = "Occupied"
time_difference = now - last_motion
# if the time difference if greater than 2 hours and the status is not unoccupied , means hogging
if time_difference >= max_delta and status != "Unoccupied":
status = "Hogged"
print(status)
# print(original_status)
if status != original_status:
change = True
# change in statuses must be sent to server via MQTT
if change:
# msg = {'id': SEAT_NUMBER, 'timestamp': str(now), 'occStatus': OccupancyStatus.OccupancyStatus[status].value}
# msg = json.dumps(msg)
msg = "['" + str(SEAT_NUMBER) + "','" + str(now) + "','" + str(
OccupancyStatus.OccupancyStatus[status].value) + "']"
#print(msg)
with open("actuations.txt", "a") as log:
log.write(msg + "\n")
client.reconnect()
client.publish("hd/status", msg)
print("Data sent")
msg = ""
change = False
if status == "Hogged" or status == "Unoccupied":
grovepi.digitalWrite(led_port, 255)
else:
grovepi.digitalWrite(led_port, 0)
time.sleep(0.25)
except IOError:
print("IO Error")
except Exception as e:
print(e)
motion = 0
grovepi.pinMode(pir_sensor, "INPUT")
client = create_client("grp5_motion")
motion_counter = 0
time_in_sec = 0
start_time = datetime.now()
heartbeat_delta = timedelta(minutes=1)
curr_reading = 0
prev_reading = 0
no_motion_count = 0
while True:
print("Start detecting")
heartbeat_check = datetime.now()
if (heartbeat_check - start_time) >= heartbeat_delta:
heartbeat.send_heartbeat(client, "E_Motion")
start_time = heartbeat_check
try:
# Sense motion, usually human, within the target range
print("Motion Counter", str(motion_counter))
print("Time in seconds", str(time_in_sec))
motion = grovepi.digitalRead(pir_sensor)
if motion == 1:
time_in_sec += 1
motion_counter += 1
elif motion == 0:
print("No motion detected")
time_in_sec += 1
else:
write_error()