def test_fourlines(name, full_refresh=False):
test_splotter = plotter.ScreenPlotter([red, green, blue, red+green+blue],
min_value=0, max_value=100, top_space=10+10,
display=screen, auto_show=False)
# add a colour coded text label for each reading
test_splotter.group.append(label.Label(terminalio.FONT,
text="A: {:.0f}",
color=red, x=0, y=5, max_glyphs=15))
test_splotter.group.append(label.Label(terminalio.FONT,
text="B: {:.0f}",
color=green, x=50, y=5, max_glyphs=15))
test_splotter.group.append(label.Label(terminalio.FONT,
text="C: {:.0f}",
color=blue, x=110, y=5, max_glyphs=15))
test_splotter.group.append(label.Label(terminalio.FONT,
text=name + (" CLS" if full_refresh else ""),
color=0xffffff, x=0, y=5))
screen.show(test_splotter.group)
for idx in range(200):
time.sleep(0.050)
test_splotter.update((idx * 2 + 50) % 121,
(idx * 2 + 20) % 101,
idx * 4 % 101,
50,
draw=not full_refresh)
if full_refresh:
test_splotter.draw(full_refresh=full_refresh)
def test_altandmiss(name, full_refresh=False):
"""Draw three lines which alternate values to allow visual check on scrolling.
Also misses values on third line.
"""
test_splotter = plotter.ScreenPlotter([red+green, green+blue, red+(blue>>1)],
top_space=10+10,
display=screen, auto_show=False)
test_splotter.group.append(label.Label(terminalio.FONT,
text=name + (" CLS" if full_refresh else ""),
color=0xffffff, x=0, y=5))
screen.show(test_splotter.group)
for idx in range(180):
if idx >= 140:
time.sleep(0.25)
values = [40960 - idx % 2 * 2048,
24576 + idx % 4 * 1024]
if idx % 4 >= 2:
values.append(32768)
test_splotter.update(*values,
draw=not full_refresh)
if full_refresh:
test_splotter.draw(full_refresh=full_refresh)
def test_threeflatlines(name, full_refresh=False):
test_splotter = plotter.ScreenPlotter([red, green, blue],
min_value=0, max_value=100, top_space=10,
display=screen)
test_splotter.group.append(label.Label(terminalio.FONT,
text=name + (" CLS" if full_refresh else ""),
color=0xffffff, x=0, y=5))
for _ in range(200):
time.sleep(0.050)
test_splotter.update(0,
50,
100,
draw=not full_refresh)
if full_refresh:
test_splotter.draw(full_refresh=full_refresh)
def test_twolinesfewdraws(name, full_refresh=False):
"""Only issue a draw every 4 updates to see how library handles it.
Current implementation (Dec-2020) misses pixels until it starts scrolling.
"""
test_splotter = plotter.ScreenPlotter([red+green, green+blue],
min_value=0, max_value=1000, top_space=10+10,
display=screen, auto_show=False)
test_splotter.group.append(label.Label(terminalio.FONT,
text=name + (" CLS" if full_refresh else ""),
color=0xffffff, x=0, y=5))
screen.show(test_splotter.group)
for idx in range(200 + 32):
time.sleep(0.050)
test_splotter.update((idx * 50 + 20) % 1001,
(idx * 2 + 300) % 1001,
draw=False)
# draw every 4 columns for first 200 columns but skip after that to
# test going beyond internal circular buffer size
if idx % 4 == 0 and idx < 200:
test_splotter.draw(full_refresh=full_refresh)
test_splotter.draw(full_refresh=full_refresh)
import time
from pimoroni_envirowing import gas
from pimoroni_envirowing.screen import plotter
import terminalio
from adafruit_display_text import label
# colours for the plotter are defined as rgb values in hex, with 2 bytes for each colour
red = 0xFF0000
green = 0x00FF00
blue = 0x0000FF
# the max value is set to 3.3 as its the max voltage the feather can read
splotter = plotter.ScreenPlotter([red, green, blue],
max_value=3.3,
min_value=0.5,
top_space=10)
# add a colour coded text label for each reading
splotter.group.append(
label.Label(terminalio.FONT,
text="OX:{}",
color=red,
x=0,
y=5,
max_glyphs=15))
splotter.group.append(
label.Label(terminalio.FONT,
text="RED:{}",
color=green,
x=50,
pwm = pulseio.PWMOut(pimoroni_physical_feather_pins.pin21())
# start the screen at 50% brightness
pwm.duty_cycle = 2**15
# set up mic input
mic = analogio.AnalogIn(pimoroni_physical_feather_pins.pin8())
# colours for the plotter are defined as rgb values in hex, with 2 bytes for each colour
red = 0xFF0000
green = 0x00FF00
blue = 0x0000FF
# Setup bme280 screen plotter
# the max value is set to 70 as it is the screen height in pixels after the labels (top_space) (this is just to make a calculation later on easier)
bme280_splotter = plotter.ScreenPlotter([red, green, blue, red+green+blue], max_value=70, min_value=0, top_space=10, display=screen)
# add a colour coded text label for each reading
bme280_splotter.group.append(label.Label(terminalio.FONT, text="{:0.1f} C".format(bme280.temperature), color=red, x=0, y=5, max_glyphs=15))
bme280_splotter.group.append(label.Label(terminalio.FONT, text="{:0.1f} hPa".format(bme280.pressure), color=green, x=50, y=5, max_glyphs=15))
bme280_splotter.group.append(label.Label(terminalio.FONT, text="{:0.1f} %".format(bme280.humidity), color=blue, x=120, y=5, max_glyphs=15))
#bme280_splotter.group.append(label.Label(terminalio.FONT, text="{:0.2f} m".format(bme280.altitude), color=red+green+blue, x=40, y=20, max_glyphs=15)) # uncomment for altitude estimation
# if the pms5003 is connected
if is_pms5003:
# Set up the pms5003 screen plotter
# the max value is set to 1000 as a nice number to work with
pms5003_splotter = plotter.ScreenPlotter([green, blue, red+blue+green], max_value=1000, min_value=0, top_space=10, display=screen)
# add a colour coded text label for each reading
pms5003_splotter.group.append(label.Label(terminalio.FONT, text="PM2.5: {:d}", color=green, x=0, y=5, max_glyphs=15))
import terminalio, displayio
from adafruit_display_text import label
# colours for the plotter are defined as rgb values in hex, with 2 bytes for each colour
red = 0xFF0000
green = 0x00FF00
blue = 0x0000FF
# set up the sensor
pms5003 = PMS5003()
# Set up the plotter
# the max value is set to 1000 as a nice number to work with
splotter = plotter.ScreenPlotter([green, blue, red + blue + green],
max_value=1000,
min_value=0,
top_space=10)
# add a colour coded text label for each reading
splotter.group.append(
label.Label(terminalio.FONT,
text="PM2.5: {:d}",
color=green,
x=0,
y=5,
max_glyphs=15))
splotter.group.append(
label.Label(terminalio.FONT,
text="PM10: {:d}",
color=blue,
x=80,
# set up the screen
screen = screen.Screen(backlight_control=False)
# set up connection with the sensor
i2c_dev = not_SMBus()
ltr559 = LTR559(i2c_dev=i2c_dev)
# define our pwm pin (for changing the screen brightness)
pwm = pulseio.PWMOut(pimoroni_physical_feather_pins.pin21())
# start the screen at 50% brightness
pwm.duty_cycle = 2**15
# set up the plotter
splotter = plotter.ScreenPlotter([green, blue],
display=screen,
max_value=1,
top_space=10)
# add a colour coded text label for each reading
splotter.group.append(
label.Label(terminalio.FONT,
text="Sound",
color=green,
x=0,
y=5,
max_glyphs=15))
splotter.group.append(
label.Label(terminalio.FONT,
text="Light",
color=blue,
x=80,
blue = 0x0000FF
# set up the sensor
scd30 = SCD30(board.I2C())
# The SCD-30 is more accurate if given local air pressure in mb (hPa)
# which is available from the BME280 on the Enviro+ FeatherWing
# The altitude in metres is a less accurate way of compensating for pressure
# The altitude is remembered if the power is removed and is best set
# only when needed to avoid wear on SCD-30 NVRAM
#scd30.ambient_pressure = 1021
#scd30.altitude = 123
# Set up the plotter
splotter = plotter.ScreenPlotter([green],
max_value=3000,
min_value=0,
top_space=10)
# add a colour coded text label for each reading
splotter.group.append(
label.Label(terminalio.FONT,
text="CO2: {:.0f} ppm",
color=green,
x=0,
y=5,
max_glyphs=15))
while True:
# take readings
co2ppm = scd30.CO2
splotter.update(co2ppm)
# colours for the plotter are defined as rgb values in hex, with 2 bytes for each colour
red = 0xFF0000
green = 0x00FF00
blue = 0x0000FF
# set up the connection with the sensor
i2c = busio.I2C(board.SCL, board.SDA)
bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c, address=0x76)
# average global sea level pressure, for more accurate readings change this to your local sea level pressure (measured in hPa)
bme280.sea_level_pressure = 1013.25
# the max value is set to 70 as it is the screen height in pixels after the labels (top_space) (this is just to make a calculation later on easier)
splotter = plotter.ScreenPlotter([red, green, blue, red + green + blue],
max_value=70,
min_value=0,
top_space=10)
# add a colour coded text label for each reading
splotter.group.append(
label.Label(terminalio.FONT,
text="{:0.1f} C".format(bme280.temperature),
color=red,
x=0,
y=5,
max_glyphs=15))
splotter.group.append(
label.Label(terminalio.FONT,
text="{:0.1f} hPa".format(bme280.pressure),
color=green,
x=50,
# start the screen at 50% brightness
pwm.duty_cycle = 2**15
# set up mic input
#mic = analogio.AnalogIn(pimoroni_physical_feather_pins.pin8())
# colours for the plotter are defined as rgb values in hex, with 2 bytes for each colour
red = 0xFF0000
green = 0x00FF00
blue = 0x0000FF
# Setup bme280 screen plotter
# the max value is set to 70 as it is the screen height in pixels after the labels (top_space) (this is just to make a calculation later on easier)
bme280_splotter = plotter.ScreenPlotter([red, green, blue, red + green + blue],
max_value=70,
min_value=0,
top_space=10,
display=screen)
# add a colour coded text label for each reading
bme280_splotter.group.append(
label.Label(terminalio.FONT,
text="{:0.1f} F".format(bme280.temperature * 1.8 + 21),
color=red,
x=0,
y=5,
max_glyphs=15))
bme280_splotter.group.append(
label.Label(terminalio.FONT,
text="{:0.1f} hPa".format(bme280.pressure),
color=green,