Reduction of memory use and fragmentation
Add onbaord LED as "read-only flash" indicator
This commit is contained in:
Pierrick C
@@ -44,7 +44,7 @@ neopixel_max_value =const(70) #max value instead of brightness to spare some
|
||||
|
||||
#######################
|
||||
|
||||
import board, microcontroller
|
||||
import microcontroller
|
||||
import gc, os
|
||||
# import micropython
|
||||
import time, rtc
|
||||
@@ -63,59 +63,57 @@ import neopixel
|
||||
class Data:
|
||||
"""Class for handling data"""
|
||||
def __init__(self):
|
||||
self.data = {'SYS': {'time': {'val': "2000/01/01_00:00:00", 'unit': '' },
|
||||
'vbat': {'val': int(), 'unit': 'V' },
|
||||
'CPUtemp': {'val': float(), 'unit': '°C' }},
|
||||
'BME280': {'temp': { 'val': float(), 'unit': '°C' },
|
||||
'hum': { 'val': int(), 'unit': '%' },
|
||||
'press': { 'val': float(), 'unit': 'hPa' }},
|
||||
'GPS': {'timestamp': {'val': "2000/01/01_00:00:00", 'unit': ''},
|
||||
'lat': {'val': float(), 'unit': 'deg'},
|
||||
'lon': {'val': float(), 'unit': 'deg'},
|
||||
'alt': {'val': float(), 'unit': 'm'},
|
||||
'qual': {'val': int(), 'unit': ''}}
|
||||
self.data = {'SYS': {'time': "2000/01/01_00:00:00",
|
||||
'vbat': int(),
|
||||
'cput': float()},
|
||||
'BME': {'temp': float(),
|
||||
'hum': int(),
|
||||
'press': float()},
|
||||
'GPS': {'time': "2000/01/01_00:00:00",
|
||||
'lat': float(),
|
||||
'lon': float(),
|
||||
'alt': float(),
|
||||
'qual': int()}
|
||||
}
|
||||
|
||||
def update(self):
|
||||
"""Read the data from various sensors and update the data dict variable"""
|
||||
#Data from Feather board
|
||||
self.data['SYS']['time']['val'] = datetime_format.format(*clock.datetime[0:6])
|
||||
self.data['SYS']['vbat']['val'] = round(measure_vbat(), 3)
|
||||
self.data['SYS']['CPUtemp']['val'] = round(microcontroller.cpu.temperature, 2)
|
||||
self.data['SYS']['time'] = datetime_format.format(*clock.datetime[0:6])
|
||||
self.data['SYS']['vbat'] = round(measure_vbat(), 3)
|
||||
self.data['SYS']['cput'] = round(microcontroller.cpu.temperature, 2)
|
||||
|
||||
#Data from BME280
|
||||
self.data['BME280']['temp']['val'] = round(bme280.temperature, 1)
|
||||
self.data['BME280']['hum']['val'] = int(bme280.humidity)
|
||||
self.data['BME280']['press']['val'] = round(bme280.pressure, 2)
|
||||
self.data['BME']['temp'] = round(bme280.temperature, 1)
|
||||
self.data['BME']['hum'] = int(bme280.humidity)
|
||||
self.data['BME']['press'] = round(bme280.pressure, 2)
|
||||
|
||||
if gps_enable:
|
||||
if gps.has_fix:
|
||||
self.data['GPS']['timestamp']['val'] = datetime_format.format(gps.timestamp_utc.tm_year,
|
||||
self.data['GPS']['time'] = datetime_format.format(gps.timestamp_utc.tm_year,
|
||||
gps.timestamp_utc.tm_mon,
|
||||
gps.timestamp_utc.tm_mday,
|
||||
gps.timestamp_utc.tm_hour,
|
||||
gps.timestamp_utc.tm_min,
|
||||
gps.timestamp_utc.tm_sec)
|
||||
self.data['GPS']['lat']['val'] = gps.latitude
|
||||
self.data['GPS']['lon']['val'] = gps.longitude
|
||||
self.data['GPS']['alt']['val'] = gps.altitude_m
|
||||
self.data['GPS']['qual']['val'] = gps.fix_quality
|
||||
self.data['GPS']['lat'] = gps.latitude
|
||||
self.data['GPS']['lon'] = gps.longitude
|
||||
self.data['GPS']['alt'] = gps.altitude_m
|
||||
self.data['GPS']['qual'] = gps.fix_quality
|
||||
else:
|
||||
self.data['GPS']['lat']['val'] = None
|
||||
self.data['GPS']['lon']['val'] = None
|
||||
self.data['GPS']['alt']['val'] = None
|
||||
self.data['GPS']['lat'] = None
|
||||
self.data['GPS']['lon'] = None
|
||||
self.data['GPS']['alt'] = None
|
||||
else:
|
||||
self.data['GPS'] = None
|
||||
|
||||
def show(self):
|
||||
"""Serialize data to json-formatted string for visualization on
|
||||
serial console
|
||||
"""
|
||||
"""Serialize data for visualization on serial console"""
|
||||
for source in self.data.keys():
|
||||
print(source + ": ")
|
||||
if not self.data[source] == None:
|
||||
for d in self.data[source].items():
|
||||
print("\t{0}: {val} {unit}".format(d[0], **d[1]))
|
||||
print("\t{0}: {1}".format(d[0], d[1]))
|
||||
|
||||
def json(self):
|
||||
"""Serialize data to json-formatted string"""
|
||||
@@ -124,31 +122,27 @@ class Data:
|
||||
output = "".join((output, "'", source, "': \n"))
|
||||
if not self.data[source] == None:
|
||||
for d in self.data[source].items():
|
||||
output = "".join((output, "{",
|
||||
"'{}': ".format(d[0]),
|
||||
"{",
|
||||
"'val': {val},'unit': {unit}".format(**d[1]),
|
||||
"}}\n"))
|
||||
output = "".join((output, " {'{}': '{}'}}\n".format(d[0], d[1])))
|
||||
output = output + "}, \n"
|
||||
output = output + "}"
|
||||
return output
|
||||
|
||||
def atmo2rgb(self):
|
||||
"""Congreen atmospheric data from BME280 sensor into NeoPixel color
|
||||
"""Convert atmospheric data from BME280 sensor into NeoPixel color
|
||||
* RED => temperature : max = 35degC, min =10degC (range 25°C)
|
||||
* BLUE => humidity : max= 100%, mini=0%
|
||||
* GREEN => pression : mini=960hPa, maxi = 1030hPa (range 70hPa)
|
||||
"""
|
||||
|
||||
red = int((self.data['BME280']['temp']['val']-10)*neopixel_max_value/25)
|
||||
red = int((self.data['BME']['temp']-10)*neopixel_max_value/25)
|
||||
if red > neopixel_max_value:
|
||||
red = neopixel_max_value
|
||||
if red < 0:
|
||||
red = 0
|
||||
|
||||
blue = int(self.data['BME280']['hum']['val']*neopixel_max_value/100)
|
||||
blue = int(self.data['BME']['hum']*neopixel_max_value/100)
|
||||
|
||||
green = int((self.data['BME280']['press']['val']-960)*neopixel_max_value/70)
|
||||
green = int((self.data['BME']['press']-960)*neopixel_max_value/70)
|
||||
if green > neopixel_max_value:
|
||||
green = neopixel_max_value
|
||||
if green < 0:
|
||||
@@ -163,14 +157,14 @@ class Data:
|
||||
"""Save the current data as csv file on SPI flash"""
|
||||
try:
|
||||
with open("data/data.csv", "a") as csv_file:
|
||||
csv_file.write("{};{};{};{}\n".format(self.data['SYS']['time']['val'],
|
||||
self.data['BME280']['temp']['val'],
|
||||
self.data['BME280']['hum']['val'],
|
||||
self.data['BME280']['press']['val']))
|
||||
csv_file.write("{};{};{};{}\n".format(self.data['SYS']['time'],
|
||||
self.data['BME']['temp'],
|
||||
self.data['BME']['hum'],
|
||||
self.data['BME']['press']))
|
||||
except OSError as e:
|
||||
print("Err. {} : R-O FS".format(e))
|
||||
print("Err {}: readonly".format(e))
|
||||
backup_data = False #to avoid trying again till next reset
|
||||
|
||||
led13.value = True
|
||||
|
||||
#############
|
||||
# Functions #
|
||||
@@ -229,22 +223,27 @@ clock = rtc.RTC()
|
||||
#clock.datetime = time.struct_time((2018, 7, 29, 15, 31, 30, 0, 0, 0))
|
||||
|
||||
# BME280 sensors (I2C)
|
||||
i2c = I2C(board.SCL, board.SDA)
|
||||
i2c = I2C(microcontroller.pin.PA23, microcontroller.pin.PA22)
|
||||
# i2c addresses for BME280 breakout :
|
||||
# 0x77 = adafruit breakout board
|
||||
# 0x76 = tiny chinese board
|
||||
bme280 = Adafruit_BME280_I2C(i2c, address=0x76)
|
||||
|
||||
# Battery voltage
|
||||
vbat = AnalogIn(board.D9, )
|
||||
vbat = AnalogIn(microcontroller.pin.PA07)
|
||||
|
||||
gps_en_pin = DigitalInOut(board.A5)
|
||||
gps_en_pin = DigitalInOut(microcontroller.pin.PB02)
|
||||
gps_en_pin.direction = Direction.OUTPUT
|
||||
|
||||
led13 = DigitalInOut(microcontroller.pin.PA17)
|
||||
led13.direction = Direction.OUTPUT
|
||||
led13.value = False
|
||||
|
||||
# GPS on FeatherWing board
|
||||
gps_en_pin.value = not gps_enable
|
||||
if gps_enable:
|
||||
gps_uart = UART(board.TX, board.RX, baudrate=9600, timeout=3000)
|
||||
gps_uart = UART(microcontroller.pin.PA10, microcontroller.pin.PA11,
|
||||
baudrate=9600, timeout=3000)
|
||||
gps = GPS(gps_uart)
|
||||
# Turn on the basic GGA and RMC info
|
||||
gps.send_command('PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0')
|
||||
@@ -252,10 +251,10 @@ if gps_enable:
|
||||
|
||||
# Integrated Neopixel
|
||||
if data_to_neopixel:
|
||||
pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=1)
|
||||
pixel = neopixel.NeoPixel(microcontroller.pin.PA06, 1, brightness=1)
|
||||
else:
|
||||
#if neopixel is disable : turn off the LED
|
||||
pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=1)
|
||||
pixel = neopixel.NeoPixel(microcontroller.pin.PA06, 1, brightness=1)
|
||||
pixel[0] = (0,0,0)
|
||||
pixel = None
|
||||
|
||||
|
||||
Reference in New Issue
Block a user