def setup():
global Network, lora
global sleep_time, STOP, myId
global dust, meteo, thisGPS, useGPS
display("MySense V %s" % __version__[:6], (0,0), clear=True)
display("s/n " + myID)
display("PM : " + Dust[dust])
display("meteo: " + Meteo[meteo])
if useGPS:
display('G:%.4f/%.4f' % (thisGPS[LAT],thisGPS[LON]))
sleep(15)
if Network == 'TTN':
# Connect to LoRaWAN
display("Try LoRaWan", (0,0), clear=True)
display("LoRa App EUI:")
display(str(app_eui))
lora = LORA()
if lora.connect(dev_eui,app_eui,app_key, ports=2, callback=CallBack):
display("Joined LoRaWan")
SendInfo()
else:
display("NOT joined LoRa!")
lora = None
Network = 'None'
sleep(10)
if Network == 'None':
display("No network!", (0,0), clear=True)
LED.blink(10,0.3,0xff00ff,True)
# raise OSError("No connectivity")
display("Setup done")
def send(self, data, port=2):
"""
Send data over the network.
"""
if (port < 2) or (port > len(self.s)):
raise ValueError('Unknown LoRa port')
if not self.s[port]: raise OSError('No socket')
rts = True
try:
self.s[port].send(data)
LED.blink(2, 0.1, 0x0000ff)
# print("Sending data")
# print(data)
except OSError as e:
if e.errno == 11:
print("Caught exception while sending")
print("errno: ", e.errno)
rts = False
LED.off()
data = self.s[port].recv(64)
# print("Received data:", data)
if self.callback and data:
self.callback(port, data)
return rts
def runMe():
global lora, sleep_time, oled
global useDust
setup() # Setup network & sensors
while True:
toSleep = time()
dData = DoDust()
mData = DoMeteo()
# Send packet
if lora != None:
if lora.send(DoPack(dData,mData,LocUpdate())):
LED.off()
else:
display(" LoRa send ERROR")
LED.blink(5,0.2,0x9c5c00,False)
toSleep = sleep_time - (time() - toSleep)
if useDust:
if toSleep > 30:
toSleep -= 15
useDust.Standby() # switch off laser and fan
elif toSleep < 15: toSleep = 15
if not ProgressBar(0,63,128,2,toSleep,0xebcf5b,10):
display('stopped SENSING', (0,0), clear=True)
LED.blink(5,0.3,0xff0000,True)
if STOP:
sleep(60)
oled.poweroff()
# and put ESP in deep sleep: machine.deepsleep()
return False
def ProgressBar(x,y,width,height,secs,blink=0,slp=1):
global oled, LED, STOP
if not oled: return
rectangle(x,y,width,height)
if (height > 4) and (width > 4):
rectangle(x+1,y+1,width-2,height-2,0)
x += 2; width -= 4;
y += 2; height -= 4
elif width > 4:
rectangle(x+1,y,width-2,height,0)
x += 2; width -= 4;
else:
rectangle(x,y,width,height,0)
step = width/(secs/slp); xe = x+width; myslp = slp
if blink: myslp -= (0.1+0.1)
for sec in range(int(secs/slp+0.5)):
if STOP:
return False
if blink:
LED.blink(1,0.1,blink,False)
sleep(myslp)
if x > xe: continue
rectangle(x,y,step,height)
oled.show()
x += step
return True
def DoDust():
global useDust, Dust, dust, nl, STOP, STOPPED, useGPS, lastGPS
dData = {}
display('PM sensing',(0,0),clear=True,prt=False)
if useDust and (useDust.mode != useDust.NORMAL):
useDust.Normal()
if not showSleep(secs=15,text='starting up fan'):
display('stopped SENSING', (0,0), clear=True)
LED.blink(5,0.3,0xff0000,True)
return [0,0,0]
else:
if useGPS != None:
display("G:%.4f/%.4f" % (lastGPS[LAT],lastGPS[LON]))
display('measure PM')
if useDust:
LED.blink(3,0.1,0x005500)
# display('%d sec sample' % sample_time,prt=False)
try:
STOPPED = False
try:
SleepThread(sample_time,'%d sec sample' % sample_time)
except:
STOPPED = True
display('%d sec sample' % sample_time)
dData = useDust.getData()
for cnt in range(10):
if STOPPED: break
STOP = True
print('waiting for thread')
sleep(2)
STOP = False
except Exception as e:
display("%s ERROR" % Dust[dust])
print(e)
LED.blink(3,0.1,0xff0000)
dData = {}
LED.blink(3,0.1,0x00ff00)
if len(dData):
for k in dData.keys():
if dData[k] == None: dData[k] = 0
try:
if 'pm1' in dData.keys(): # and dData['pm1'] > 0:
display(" PM1 PM2.5 PM10", (0,0), clear=True)
display("% 2.1f % 5.1f% 5.1f" % (dData['pm1'],dData['pm25'],dData['pm10']))
else:
display("ug/m3 PM2.5 PM10", (0,0), clear=True)
display(" % 5.1f % 5.1f" % (dData['pm25'],dData['pm10']))
dData['pm1'] = 0
except:
dData = {}
if not dData:
display("No PM values")
LED.blink(5,0.1,0xff0000,True)
dData = [0,0,0]
else:
dData = [round(dData['pm1'],1),round(dData['pm25'],1),round(dData['pm10'],1)]
LED.off()
return dData
def connect(self, dev_eui, app_eui, app_key, ports=1, callback=None):
"""
Connect device to LoRa.
Set the socket and lora instances.
"""
dev_eui = unhexlify(dev_eui)
app_eui = unhexlify(app_eui)
app_key = unhexlify(app_key)
self.callback = callback # call back routine on LoRa reply callback(port,response)
# Disable blue blinking and turn LED off
LED.heartbeat(False)
LED.off()
# Initialize LoRa in LORAWAN mode
self.lora = LoRa(mode=LoRa.LORAWAN)
# Join a network using OTAA (Over the Air Activation)
self.lora.join(activation=LoRa.OTAA,
auth=(dev_eui, app_eui, app_key),
timeout=0)
# Wait until the module has joined the network
count = 0
while not self.lora.has_joined():
LED.blink(1, 2.5, 0xff0000)
if count > 20:
return False
print("Trying to join: ", count)
count += 1
# Create a LoRa socket
LED.blink(2, 0.1, 0x009900)
self.s = []
self.s.append(socket.socket(socket.AF_LORA, socket.SOCK_RAW))
# Set the LoRaWAN data rate
self.s[0].setsockopt(socket.SOL_LORA, socket.SO_DR, 5)
# Make the socket non-blocking
self.s[0].setblocking(False)
print("Success after %d tries" % count)
# print("Create LoRaWAN socket")
# Create a raw LoRa socket
# default port 2
self.s.append(None)
for nr in range(ports):
print("Setting up port %d" % (nr + 2))
self.s.append(socket.socket(socket.AF_LORA, socket.SOCK_RAW))
self.s[nr + 2].setblocking(False)
if nr: self.s[nr + 2].bind(nr + 2)
LED.off()
return True
def handle(self):
req_raw = self.request.recv(1024)
self.logger.debug("Recv from:{0}, data:{1}".format(
self.client_address, req_raw))
try:
req = json.loads(req_raw)
except Exception:
self.logger.exception(
"Failed to parse request: {0}".format(req_raw))
socket.sendto(json.dumps({
"code": -1,
"data": "Error"
}), self.client_address)
return
if req['cmd'] == 'led-control':
data = req['data']
led = LED(LED_NAMES.get(data['led-name'].upper()))
if data['op'].lower() == 'blink':
if led.blink(count=data.get('count', 1),
delay=data.get('delay', 0.5)):
self.request.sendall(json.dumps({"code": 0, "data": "OK"}))
else:
self.request.sendall(
json.dumps({
"code": 1,
"data": "FAIL"
}))
elif req['cmd'] == 'quit':
tcp_stop_event.set()
self.request.sendall(json.dumps({"code": 1, "data": "OK"}))
self.logger.debug("Request handled.")
def connect(self, dev_eui, app_eui, app_key):
"""
Connect device to LoRa.
Set the socket and lora instances.
"""
dev_eui = unhexlify(dev_eui)
app_eui = unhexlify(app_eui)
app_key = unhexlify(app_key)
# Disable blue blinking and turn LED off
LED.heartbeat(False)
LED.off()
# Initialize LoRa in LORAWAN mode
self.lora = LoRa(mode=LoRa.LORAWAN)
# Join a network using OTAA (Over the Air Activation)
self.lora.join(activation=LoRa.OTAA,
auth=(dev_eui, app_eui, app_key),
timeout=0)
# Wait until the module has joined the network
count = 0
while not self.lora.has_joined():
LED.blink(1, 2.5, 0xff0000)
# print("Trying to join: " , count)
count = count + 1
# Create a LoRa socket
LED.blink(2, 0.1)
self.s = socket.socket(socket.AF_LORA, socket.SOCK_RAW)
# Set the LoRaWAN data rate
self.s.setsockopt(socket.SOL_LORA, socket.SO_DR, 5)
# Make the socket non-blocking
self.s.setblocking(False)
# print ("Joined! ", count)
# print("Create LoRaWAN socket")
# Create a raw LoRa socket
self.s = socket.socket(socket.AF_LORA, socket.SOCK_RAW)
self.s.setblocking(False)
def send(self, data):
"""
Send data over the network.
"""
try:
self.s.send(data)
LED.blink(2, 0.1, 0x00ff00)
print("Sending data:")
print(data)
except OSError as e:
if e.errno == 11:
print("Caught exception while sending")
print("errno: ", e.errno)
LED.off()
data = self.s.recv(64)
print("Received data:", data)
return data
import time
import logging
from led import LED_NAMES, LED
from server import Server
logging.basicConfig(level=logging.DEBUG)
if __name__ == "__main__":
print("Initializing...")
led_usr1 = LED(LED_NAMES.USR1)
print("blinking 'usr1'")
s1 = led_usr1.blink()
led_usr2 = LED(LED_NAMES.USR2)
print("blinking 'usr2'")
s2 = led_usr2.blink()
if not (s1 and s2):
print("Initialization failed")
exit(-1)
Server.start_all("config.json")
class LEDWeather:
def __init__(self):
self._show_timeout = 0
self._first_update = True
self._led = LED(Pins.RED, Pins.GREEN, Pins.BLUE)
self._led.blink((1, 0, 0))
self._simple = Geoclue.Simple.new('geoclue-where-am-i', # Let's cheat
Geoclue.AccuracyLevel.EXACT,
None,
self._on_simple_ready)
def close(self):
self._unshedule_weather_show()
self._led.close()
def _on_simple_ready(self, simple, data):
location = simple.get_location()
self._on_location_updated(location)
def _on_location_updated(self, location):
latitude = location.get_property('latitude')
longitude = location.get_property('longitude')
world = GWeather.Location.get_world()
city = world.find_nearest_city(latitude, longitude)
self.info = GWeather.Info.new(city, GWeather.ForecastType.LIST)
self.info.set_enabled_providers(GWeather.Provider.METAR | GWeather.Provider.YR_NO)
self.info.connect('updated', self._on_weather_updated, None)
self._update_timeout = GLib.timeout_add_seconds(3600, self._on_weather_update_timeout)
def _on_weather_update_timeout(self):
self._unshedule_weather_show()
self._led.blink((1, 0, 0))
self.info.update()
return True
def _on_weather_updated(self, info, data):
self._unshedule_weather_show()
self._index = 0
if self._first_update:
self._show_weather()
self._first_update = False
else:
self._show_timeout = GLib.timeout_add_seconds(5, self._on_show_weather_timeout)
def _on_show_weather_timeout(self):
self._show_timeout = 0
forecast_time = self._get_current_forecast_time()
n_blinks = round((forecast_time - time.time()) / 12 / 3600)
if n_blinks > 0:
self._led.blink((0, 1, 0), n_blinks, self._show_weather)
else:
self._show_weather()
return False
def _show_weather(self):
forecasts = self.info.get_forecast_list()
current_time = self._get_current_forecast_time()
if self._index >= len(forecasts) or current_time >= time.time() + 3600 * 72:
self._index = 0
self._led.show_weather(None)
self._show_timeout = GLib.timeout_add_seconds(5, self._on_show_weather_timeout)
return False
current_time = self._get_current_forecast_time()
str = time.strftime("%c", time.gmtime(current_time))
print("Weather at %s" % str)
if self._index == 0:
self._led.show_weather(self.info)
else:
self._led.show_weather(forecasts[self._index])
self._set_next_index()
self._show_timeout = GLib.timeout_add_seconds(5, self._on_show_weather_timeout)
return False
def _set_next_index(self):
forecasts = self.info.get_forecast_list()
current_time = self._get_current_forecast_time()
index = self._index
next_index = -1
while index < len(forecasts):
[ret, timestamp] = forecasts[index].get_value_update()
if ret and timestamp >= current_time + 3600 * 12:
next_index = index
break
else:
index = index + 1
if next_index == -1:
self._index = 0
else:
self._index = next_index
def _get_current_forecast_time(self):
if self._index == 0:
return time.time()
forecasts = self.info.get_forecast_list()
[ret, timestamp] = forecasts[self._index].get_value_update()
if not ret:
# Shouldn't be happening but let's be prepared
return time.time()
return timestamp
def _unshedule_weather_show(self):
if self._show_timeout == 0:
return
GLib.source_remove(self._show_timeout)
self._show_timeout = 0
grovepi.pinMode(buzzer,"OUTPUT")
while True:
try:
# Buzz for 1 second
grovepi.digitalWrite(buzzer,1)
print ('start')
time.sleep(1)
# Stop buzzing for 1 second and repeat
grovepi.digitalWrite(buzzer,0)
print ('stop')
time.sleep(1)
except KeyboardInterrupt:
grovepi.digitalWrite(buzzer,0)
break
except IOError:
print ("Error")
led = LED(3)
t = 0.02
d = 0.01
while t>=d:
print t
led.blink(100, t)
t = t-d
def DoMeteo():
global useMeteo, nl, LF
global Meteo, meteo
global M_SDA, M_SCL
mData = [0,0,0,0,0]; sData = ""
if not useMeteo or not meteo: return mData
# Measure temp oC, rel hum %, pres pHa, gas Ohm, aqi %
LED.blink(3,0.1,0x002200,False)
error = None
try:
nr = indexBus(i2cPINs,i2c,(M_SDA,M_SCL))
if (meteo == 4) and (not useMeteo.gas_base): # BME680
display("AQI base: wait"); nl -= LF
i2c[nr].init(nr, pins=i2cPINs[nr]) # SPI oled causes bus errors
sleep(1)
try:
mData[TEMP] = float(useMeteo.temperature) # string '20.12'
sData += "%4.1f " % round(mData[TEMP],1)
except:
mData[TEMP] = 0; error = TEMP
sData += " ? "
try:
mData[HUM] = float(useMeteo.humidity) # string '25'
sData += "%2d " % round(mData[HUM])
except:
mData[HUM] = 0; error = HUM
sData += " ? "
try:
mData[PRES] = float(useMeteo.pressure) # string '1021.60'
sData += "%4d " % round(mData[PRES])
except:
mData[PRES] = 0; error = PRES
sData += " ? "
if meteo == 4: # BME680
try:
mData[GAS] = float(useMeteo.gas) # Ohm 29123
# sData += "%4.1f " % round(mData[GAS]/1000.0,1)
except:
mData[GAS] = 0; error = GAS
#sData += " ? "
try:
mData[AQI] = round(float(useMeteo.AQI),1) # 0-100% ok
sData += "%2d" % round(mData[AQI])
except:
mData[AQI] = 0; error = AQI
sData += " ?"
rectangle(0,nl,128,LF,0)
except Exception as e:
display("%s ERROR" % Meteo[meteo])
print(e)
LED.blink(5,0.1,0xff00ff,True)
return [0,0,0,0,0]
if error != None:
print("no value for %s" % ['oC','RH','hPa','gas','AQI'][error])
LED.blink(5,0.1,0xff0099,True)
LED.off()
nl += 6 # oled spacing
display(" C hum%% pHa%s" % (' AQI' if mData[GAS] > 0 else ''))
display("o",(8,-5),prt=False)
display(sData)
return mData # temp, hum, pres, gas, aqia
else:
rectangle(x, y, width, height, 0)
step = width / (secs / slp)
xe = x + width
myslp = slp
if blink: myslp -= (0.1 + 0.1)
for sec in range(int(secs / slp + 0.5)):
if blink:
LED.blink(1, 0.1, blink, False)
sleep(myslp)
if x > xe: continue
rectangle(x, y, step, height)
if oled: oled.show()
x += step
return True
try:
# Turn off hearbeat LED
pycom.heartbeat(False)
display('test bar', 0, 0, True)
if not ProgressBar(0, 44, 128, 8, 10, 0xebcf5b, 1):
LED.blink(5, 0.3, 0xff0000, True)
else:
LED.blink(5, 0.3, 0x00ff00, False)
display("MySense PyCom", 0, 0, True)
myID = binascii.hexlify(unique_id()).decode('utf-8')
display("s/n " + myID, 0, 16, False)
except:
print("Failed")
from led import LED ledYellow = LED(15, "Red") ledYellow.blink(0.5, 3)
class ListenIn(object):
def __init__(self, token, duration, interval, retrytime, last_uploaded_file):
self.token = token
self.duration = duration
self.interval = interval
self.retrytime = retrytime
self.last_uploaded_file = last_uploaded_file
self.led = LED(red=13, green=19, blue=26, initial_color='white')
self._q = Queue()
self.default_blink_interval = (5, 300)
self.fast_blinking = (0.5, 500)
def start_blinker(self):
self._blinker_stop = Event()
self._blinker_thread = Thread(target=self.blink_periodically)
self._blinker_thread.start()
def stop_blinker(self):
self._blinker_stop.set()
self._blinker_thread.join()
def blink_periodically(self):
last_blink_time = time.time()
interval, duration = self.default_blink_interval
while True:
if self._blinker_stop.isSet():
break
try:
interval, duration = self._q.get_nowait()
except Empty:
pass
if time.time() - last_blink_time > interval:
self.led.blink(duration=duration)
last_blink_time = time.time()
time.sleep(0.1)
def write_last_uploaded_ts(self):
try:
tmp_file = self.last_uploaded_file + '.tmp'
open(tmp_file, 'w').write(str(int(time.time())))
os.rename(tmp_file, self.last_uploaded_file)
except Exception:
pass
def listen(self):
self.start_blinker()
while True:
try:
logging.info('waiting for audio signal')
self.led.set('purple')
r = self.record_sample()
next(r)
logging.info('recording')
self.led.set('red')
sample = next(r)
logging.info('uploading')
self.led.set('blue')
t0 = time.time()
self.upload_sample(sample)
except Exception as e:
logging.error('%s: %s', e.__class__.__name__, e)
self.led.set('orange')
self._q.put(self.fast_blinking)
time.sleep(self.retrytime)
self._q.put(self.default_blink_interval)
else:
self.write_last_uploaded_ts()
logging.info('sample recorded and uploaded, sleeping for %d seconds', self.interval)
self.led.set('green')
sleep_time = self.interval - (time.time() - t0)
if sleep_time >= 0:
time.sleep(sleep_time)
def record_sample(self):
output_file = '/tmp/output.mp3'
processed_file = '/tmp/processed.mp3'
downsampled_output_file = '/tmp/downsampled.1c.8k.flac'
for f in output_file, downsampled_output_file:
if os.path.exists(f):
os.unlink(f)
rec_cmd = 'rec --no-show-progress -t mp3 -C 0 {} highpass 60 silence 1 0.1 -35d 1 2.0 -35d trim 0 {}'.format(
output_file,
self.duration,
)
rec_process = subprocess.Popen(rec_cmd.split())
while True:
rc = rec_process.poll()
if rc is not None:
break
try:
if os.path.getsize(output_file) > 0:
break
except OSError:
pass
time.sleep(0.1)
if rc is None:
yield
rc = rec_process.wait()
if rc != 0:
raise RuntimeError('failed to record: return code = {}'.format(rc))
normalize_cmd = 'sox --norm {} {}'.format(output_file, processed_file)
subprocess.check_call(normalize_cmd.split())
downsample_cmd = 'sox {} -r 8000 -b 16 -c 1 {}'.format(processed_file, downsampled_output_file)
subprocess.check_call(downsample_cmd.split())
w = Wave(downsampled_output_file)
if w.length < self.duration:
raise RuntimeError('sample duration too short ({}<{})'.format(w.length, self.duration))
if w.is_silence:
raise RuntimeError('sample is silent')
if w.is_noise:
raise RuntimeError('sample is 50hz hum')
yield open(processed_file).read()
def assert_sample_is_valid(self, sample_file):
pass
def upload_sample(self, sample):
url = 'http://api.listenin.io/upload?token={}'.format(self.token)
requests.post(url, data=sample, timeout=60).raise_for_status()
def cleanup(self):
self.stop_blinker()
