async def pulse(
): # This demo pulses blue LED each time a subscribed msg arrives.
blue_led(True)
await asyncio.sleep(0.5)
blue_led(False)
await asyncio.sleep(0.5)
return True
async def main(client):
blue_led(True)
try:
await client.connect()
except OSError:
print('Connection failed')
return
while True:
data = []
for i in range(8):
data.append(None)
# read the PMSA003
pm2_5 = p3.read()
if pm2_5 != None:
print("PMSx003: D={:f}µg/m³ X={:d}".format(pm2_5[0], pm2_5[1]))
async def heartbeat():
s = True
while True:
await asyncio.sleep_ms(500)
blue_led(s)
s = not s
async def pulse():
blue_led(True)
await asyncio.sleep_ms(100)
blue_led(False)
#print("pub:", data)
#await client.publish(TOPIC+"/sensors", json.dumps(data), qos = 1)
#await asyncio.sleep(1)
# Define configuration
#config['subs_cb'] = sub_cb
config['wifi_coro'] = wifi_cb
config['connect_coro'] = conn_cb
config['keepalive'] = 120
# power config
#machine.freq(80000000, min_freq=10000000)
#config['listen_interval']=5
# Set up client. Enable optional debug statements.
#MQTTClient.DEBUG = True
client = MQTTClient(config)
#import uasyncio, logging
#logging.basicConfig(level=logging.DEBUG)
#uasyncio.set_debug(True)
print("Starting loop...")
try:
loop.run_until_complete(main(client))
finally: # Prevent LmacRxBlk:1 errors.
client.close()
blue_led(True)
from mqtt_as import MQTTClient, config
from config import wifi_led, blue_led
import uasyncio as asyncio
import ujson
from state import latest, history
wifi_led(False)
blue_led(False)
def sub_cb(topic, msg, retained):
sensor = topic.decode()
print((sensor, msg, retained))
if type(msg) == int or type(msg) == float:
data = msg
else:
data = ujson.loads(msg)
if sensor in latest:
latest[sensor] = data
if sensor in history:
history[sensor].append(data)
if len(history[sensor]) > 15:
del history[sensor][0]
# ###################################################################### #
def exit_to_repl(pin):
client.close()
blue_led(True)
sys.exit('Exiting to REPL')
