Move code from M0 express feather board to M4 express board
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@ -4,13 +4,14 @@ import board
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import digitalio
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import storage
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switch = digitalio.DigitalInOut(board.D5)
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switch.direction = digitalio.Direction.INPUT
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switch.pull = digitalio.Pull.UP
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jumper = digitalio.DigitalInOut(board.D5)
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jumper.direction = digitalio.Direction.INPUT
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jumper.pull = digitalio.Pull.UP
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led = digitalio.DigitalInOut(board.D13)
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led.direction = digitalio.Direction.OUTPUT
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# If the D0 is connected to ground with a wire
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# CircuitPython can write to the drive
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storage.remount("/", switch.value)
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led.value = switch.value
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storage.remount("/", jumper.value)
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led.value = jumper.value
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print("Read-only:{}".format(jumper.value))
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@ -18,7 +18,7 @@
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Author : Pierrick "Arofarn" Couturier
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Use with:
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* Adafruit Feather M0 Express (CircuitPython firmware)
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* Adafruit Feather M4 Express (CircuitPython firmware)
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* Adafruit Ultimate GPS FeatherWing
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* Bosch BME280 sensor (air temperature, humidity, atmospheric pressure) on I2C
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@ -45,7 +45,7 @@ neopixel_max_value =const(70) #max value instead of brightness to spare some mem
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#######################
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import microcontroller
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import microcontroller, board
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import gc, os
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# import micropython
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import time, rtc
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@ -200,14 +200,21 @@ class Data:
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def check_data_dir():
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"""Check if data directories 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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elif 'hourly' not in os.listdir('data'):
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os.mkdir('data/hourly')
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elif 'daily' not in os.listdir('data'):
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os.mkdir('data/daily')
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try:
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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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elif 'hourly' not in os.listdir('data'):
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os.mkdir('data/hourly')
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elif 'daily' not in os.listdir('data'):
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os.mkdir('data/daily')
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except OSError as e:
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print("Err {}: readonly".format(e))
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backup_data = False #to avoid trying again till next reset
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# Turn onboard led on to indicate read-only error
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led13.value = True
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def set_clock_from_GPS(treshold=5.0):
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"""Compare internal RTC and date-time from GPS (if enable and fixed) and set
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@ -255,28 +262,28 @@ clock = rtc.RTC()
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#clock.datetime = time.struct_time((2018, 7, 29, 15, 31, 30, 0, 0, 0))
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# BME280 sensors (I2C)
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i2c = I2C(microcontroller.pin.PA23, microcontroller.pin.PA22)
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i2c = I2C(board.SCL, board.SDA)
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# i2c addresses for BME280 breakout :
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# 0x77 = adafruit breakout board
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# 0x76 = tiny chinese board
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bme280 = Adafruit_BME280_I2C(i2c, address=0x76)
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# Battery voltage
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vbat = AnalogIn(microcontroller.pin.PA07)
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vbat = AnalogIn(board.VOLTAGE_MONITOR)
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#Set the pin to control the power to GPS module
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gps_en_pin = DigitalInOut(microcontroller.pin.PB02)
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gps_en_pin = DigitalInOut(board.A5)
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gps_en_pin.direction = Direction.OUTPUT
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#Set the pin N°13 to use the onboard LED as read-only/read-write indicator
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led13 = DigitalInOut(microcontroller.pin.PA17)
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led13 = DigitalInOut(board.D13)
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led13.direction = Direction.OUTPUT
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led13.value = False
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# Set GPS module on FeatherWing board
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gps_en_pin.value = not gps_enable #Set enable pin high to disable GPS module
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if gps_enable:
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gps_uart = UART(microcontroller.pin.PA10, microcontroller.pin.PA11,
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gps_uart = UART(board.TX, board.RX,
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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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@ -285,16 +292,16 @@ if gps_enable:
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# Second UART to communicate with raspberry pi (throught GPIO)
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if send_json_data:
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rpi_uart = UART(microcontroller.pin.PB10, microcontroller.pin.PB11,
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rpi_uart = UART(board.D10, board.D11,
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baudrate=115200, timeout=2000)
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# Set onboard Neopixel : used as atmo data output
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# brightness is fixed to 1 to spare some memory. Use neopixel_max_value instead
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if data_to_neopixel:
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pixel = neopixel.NeoPixel(microcontroller.pin.PA06, 1, brightness=1)
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pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=1)
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else:
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#if neopixel is disable : turn off the LED
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pixel = neopixel.NeoPixel(microcontroller.pin.PA06, 1, brightness=1)
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pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=1)
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pixel[0] = (0,0,0)
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pixel = None
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