127 lines
4.0 KiB
Python
127 lines
4.0 KiB
Python
# Simple weather and GPS logger
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import board
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from busio import I2C, UART
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from time import sleep
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from analogio import AnalogIn
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import microcontroller
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import gc
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import micropython
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import os
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from adafruit_bme280 import Adafruit_BME280_I2C
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from adafruit_gps import GPS
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import neopixel
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#########
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# Setup #
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#########
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# BME280 sensors (I2C)
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i2c = I2C(board.SCL, board.SDA)
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bme280 = Adafruit_BME280_I2C(i2c)
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# Integrated Neopixel
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pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
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# Battery voltage
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vbat = AnalogIn(board.D9, )
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# GPS on Feather board
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gps_uart = UART(board.TX, board.RX, baudrate=9600, timeout=3000)
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gps = GPS(gps_uart)
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# Turn on the basic GGA and RMC info
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gps.send_command('PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0')
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gps.send_command('PMTK220,2000') # 1000 ms refresh
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gc.collect()
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micropython.mem_info()
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temp, hum, press = 0.0, 0.0, 0.0
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rouge, vert, bleu = 0, 0, 0
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# Check if data directory exists
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if 'data' not in os.listdir():
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os.mkdir('data')
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os.mkdir('data/hourly')
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os.mkdir('data/daily')
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#############
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# Main loop #
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#############
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while True:
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sleep(5)
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gc.collect()
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# micropython.mem_info(1)
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# print('Memory free: {} allocated: {}'.format(gc.mem_free(), gc.mem_alloc()))
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temp = bme280.temperature
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hum = bme280.humidity
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press = bme280.pressure
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print("Temperature: {:>+.1f} degC | Humidite: {:>.1f} % | Pression: {:>.1f} hPa".format(temp, hum, press))
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print("Tension batterie : {:>.2f} V | CPU Temp: {:>+.1f} degC".format((vbat.value*2*3.3/65536), microcontroller.cpu.temperature))
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# 0.00644531 = 2*3.3/1024 :
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# 2 : voltage is divided by 2
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# 3.3 : Vref = 3.3V
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# 1024 : 10bit ADC
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# Conversion des donn?es en couleur
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# ROUGE => temp?rature : max = 35?C, min =10?C soit une amplitude de 25?C
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rouge = int((temp-10)*255/25)
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if rouge > 255:
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rouge = 255
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if rouge < 0:
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rouge = 0
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# BLEU => humidit? : max= 100%, mini=0%
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bleu = int(hum*255/100)
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# VERT => Pression : mini=960hPa, maxi = 1030hPa soit une amplitude 70hPa
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vert = int((press-960)*255/70)
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if vert > 255:
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vert = 255
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if vert < 0:
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vert = 0
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rvb = (rouge, vert, bleu)
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print("Couleur : {}".format(rvb))
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pixel[0] = rvb
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gps.update()
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if not gps.has_fix:
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# Try again if we don't have a fix yet.
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print('Waiting for fix... {} - {}'.format(gps.has_fix, gps.satellites))
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continue
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print('Fix timestamp: {}/{}/{} {:02}:{:02}:{:02}'.format(
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gps.timestamp_utc.tm_mon, # Grab parts of the time from the
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gps.timestamp_utc.tm_mday, # struct_time object that holds
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gps.timestamp_utc.tm_year, # the fix time. Note you might
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gps.timestamp_utc.tm_hour, # not get all data like year, day,
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gps.timestamp_utc.tm_min, # month!
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gps.timestamp_utc.tm_sec))
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if gps.altitude_m is not None:
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print('Latitude: {} deg | Longitude: {} deg | Altitude: {} m'.format(gps.latitude,
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gps.longitude,
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gps.altitude_m))
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else:
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print('Latitude: {} deg | Longitude: {} deg'.format(gps.latitude,
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gps.longitude))
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print('Fix quality: {}'.format(gps.fix_quality))
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# Some attributes beyond latitude, longitude and timestamp are optional
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# and might not be present. Check if they're None before trying to use!
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if gps.satellites is not None:
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print('# satellites: {}'.format(gps.satellites))
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if gps.track_angle_deg is not None:
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print('Speed: {} knots'.format(gps.speed_knots))
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if gps.track_angle_deg is not None:
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print('Track angle: {} degrees'.format(gps.track_angle_deg))
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if gps.horizontal_dilution is not None:
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print('Horizontal dilution: {}'.format(gps.horizontal_dilution))
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if gps.height_geoid is not None:
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print('Height geo ID: {} meters'.format(gps.height_geoid))
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