I’ve added to the new code, by using the Y button to swap between channel names and nanometres. There’s a slight anomaly in the 555, 550 order - I’m not sure whether gadgetoid has them correct.
Tony
from AS7343 import AS7343
from pimoroni_i2c import PimoroniI2C
from picographics import PicoGraphics, DISPLAY_PICO_W_EXPLORER, PEN_P4
from pimoroni import Button
import time
i2c = PimoroniI2C(sda=20, scl=21)
as7343 = AS7343(i2c)
button_a = Button(12)
button_b = Button(13)
button_x = Button(14)
button_y = Button(15)
display = PicoGraphics(display=DISPLAY_PICO_W_EXPLORER, pen_type=PEN_P4, rotate=270)
display.set_font("bitmap8")
display.set_backlight(0.5)
WIDTH, HEIGHT = display.get_bounds()
BLACK = display.create_pen(0, 0, 0)
F1 = display.create_pen(130, 0, 200)
F2 = display.create_pen(84, 0, 255)
FZ = display.create_pen(0, 70, 255)
F3 = display.create_pen(0, 192, 255)
F4 = display.create_pen(31, 255, 0)
FY = display.create_pen(179, 255, 0)
F5 = display.create_pen(163, 255, 0)
FXL = display.create_pen(255, 190, 0)
F6 = display.create_pen(255, 33, 0)
F7 = display.create_pen(255, 0, 0)
F8 = display.create_pen(171, 0, 0)
NIR = display.create_pen(97, 0, 0)
WHITE = display.create_pen(255, 255, 255)
# Starting max values for auto-ranging
MAX_VALUES = [
7186,
2196,
2711,
962,
3926,
4684,
1967,
5970,
4170,
6774,
1080,
13226
]
# List order for values
ORDER = [
"F1",
"F2",
"FZ",
"F3",
"F4",
"FY",
"F5",
"FXL",
"F6",
"F7",
"F8",
"NIR"
]
ORDER2 = [
"405",
"425",
"450",
"475",
"515",
"555",
"550",
"600",
"640",
"690",
"745",
"855"
]
MARGIN = max([display.measure_text(l) for l in ORDER]) + 2
BAR_WIDTH = 16
BAR_SPACING = 4
BAR_HEIGHT = WIDTH - MARGIN
OFFSET_LEFT = int((HEIGHT - 110 - ((BAR_WIDTH + BAR_SPACING) * 12)) / 2)
WHICH_LABEL = 0
while True:
display.set_pen(0)
display.clear()
readings = as7343.read()
for i , label in enumerate(ORDER):
reading = readings[label]
# print (i,label,reading)
# print (i,ORDER2[i], reading)
MAX_VALUES[i] = max(reading, MAX_VALUES[i])
scaled = int(reading / MAX_VALUES[i] * BAR_HEIGHT)
y = (i + 1) * (BAR_WIDTH + BAR_SPACING)
y += OFFSET_LEFT
display.set_pen(i + 1)
display.rectangle(MARGIN, y, scaled, BAR_WIDTH)
display.set_pen(WHITE)
if WHICH_LABEL == 0:
display.text(label, 0, y + 1)
else:
display.text(ORDER2[i], 0, y + 1)
display.update()
if button_b.is_pressed:
as7343.set_illumination_led(False)
elif button_a.is_pressed:
as7343.set_illumination_current(4)
as7343.set_illumination_led(True)
elif button_x.is_pressed:
as7343.set_illumination_current(10)
as7343.set_illumination_led(True)
elif button_y.is_pressed:
WHICH_LABEL = not WHICH_LABEL
time.sleep(0.5)
time.sleep(0.01)
