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 setup():
global n, sensor_davis, sensor_bme280, sleep_time
# Initial sleep time
sleep_time = 30
# Connect to LoRaWAN
n = LORA()
n.connect(dev_eui, app_eui, app_key)
# Connect Sensors
try:
i2c = I2C(0)
sensor_bme280 = BME280(i2c=i2c)
sensor_davis = DAVIS7911()
except Exception as e:
print("Error: ", e)
print("Setup... done")
def setup():
global n, sensor_davis, sensor_temp, packet, sleep_time, state
# Initial state and sleeptime
state = 7
sleep_time = 10
# Init packet object
packet = Packet()
# Connect to LoRaWAN
n = LORA()
n.connect(dev_eui, app_eui, app_key)
# Connect Sensors
try:
sensor_temp = SI7021()
sensor_davis = DAVIS7911()
except Exception as e:
print('Error: ', e)
sta_if.ifconfig(
['192.168.0.13', '255.255.255.0', '192.168.0.254', '192.168.0.254'])
#sta_if.ifconfig()
def on_receive(lora, payload):
lora.blink()
payload_string = payload.decode()
rssi = lora.rssi()
snr = lora.snr()
print("*** Received message ***\n{}".format(payload_string))
print("RSSI={}, SNR={}\n".format(rssi, snr))
lora = LORA() # init LoRa subsystem
lora.setFrequency(433000, 000) # kHz, Hz
lora.setTxPower(
13, True) # power +13dBm (RFO pin if False or PA_BOOST pin if True)
#lora.setHighPower(False) # add +3 dB (up to +20 dBm power on PA_BOOST pin)
lora.setSignalBandwidth(125e3) # BW [7.8e3...500e3] Hz
lora.setSpreadingFactor(10) # SF 6...12
lora.setLDR(False) # Low Datarate Optimize
lora.setCodingRate(5) # 5..8
lora.setPreambleLength(8) # 6..65000 (8 by default)
lora.setSyncWord(0x12) # allways 0x12
lora.enableCRC(False) # CRC off
lora.collect()
if 0:
# reseiver
from lora import LORA
from config import dev_eui, app_eui, app_key
from time import sleep
from pysense import Pysense
from machine import ADC
# Formula is calculated using calibration fluids
def magicFormula(val):
return 20.2489 - (0.00452489 * val)
try:
adc = ADC()
pin = adc.channel(pin='P13', attn=ADC.ATTN_11DB)
except Exception:
pass
# Connect to LoRaWAN
n = LORA()
n.connect(dev_eui, app_eui, app_key)
# Send value
val = pin()
tmp = "%.2f" % magicFormula(val)
n.send(tmp)
py = Pysense()
py.setup_sleep(1200) # 20 min
py.go_to_sleep()
# Turn off hearbeat LED
import pycom
pycom.heartbeat(False)
info = None
n = None
def SendInfo(port,data):
print("info requested")
if not data: return
if (not info) or (not n): return
print("Sent info")
sleep(30)
n.send(info,port=3)
n = LORA()
if not n.connect(dev_eui, app_eui, app_key,ports=2):
print("Failed to connect to LoRaWan TTN")
sys.exit(0)
# send first some info
# dust (None,Shiney,Nova,Plantower, ...) 4 low bits
# meteo (None,DHT11,DHT22,BME280,BME680, ...) 4 high bits
# GPS (longitude,latitude, altitude) float
# send 17 bytes
Dust = ['unknown','PPD42NS','SDS011','PMS7003']
Meteo = ['unknown','DHT11','DHT22','BME280','BME680']
try:
from Config import meteo
except:
#
# found oled, try it and blow RGB led wissle
##################### LoRa
if not wokeUp:
Network = ''
from Config import Network
if Network != 'TTN': raise ValueError("%s not supported" % Network)
initLoRa = not wokeUp
if MyConfig.getConfig('LoRa') in ['ABP', 'OTAA']:
print("Using %s LoRa info from flash" % MyConfig.getConfig('LoRa'))
initLoRa = False
from lora import LORA
myLoRa = LORA()
# myLoRa.cleanup will clear LoRa nvram
info = None
method = {}
if initLoRa:
# OTAA keys
try:
from Config import dev_eui, app_eui, app_key
method['OTAA'] = (dev_eui, app_eui, app_key)
MyConfig.dump('LoRa', 'OTAA')
except:
pass
# ABP keys
try:
from Config import dev_addr, nwk_swkey, app_swkey