def __init__(self):
self.state = 'RUN'
self.i2c = I2C(scl=Pin(22), sda=Pin(21))
self.seg = Seg7x4(self.i2c)
self.seg.fill(False)
self.seg.show()
self.count = 50
self.running = True
self.but = Pin(18, Pin.IN, Pin.PULL_UP)
self.but.irq(trigger=Pin.IRQ_FALLING, handler=self._but_press)
def init_display():
''' Init and return display object '''
i2cdevs = I2C_BUS.scan()
print(("I2C Devices Found: {}".format([hex(tmp) for tmp in i2cdevs])))
if not i2cdevs or len(i2cdevs) > 4:
print(
"I2C Bus Error. Might be disconnected, please check connections and pullups."
)
print("Using Dummy Display for debugging")
return DummyDisplay(enabled=True)
# Configure Display Object
disp = Seg7x4(I2C_BUS)
return disp
# Copier ht16k33_matrix.py et ht16k33_seg dans /lib de la Pyboard
# Test sur STM32F405 Feather Express
from pyb import Pin
from machine import I2C
from ht16k33_seg import Seg7x4
i2c = I2C(1)
aff = Seg7x4(i2c, address=0x70)
aff.fill(0) # Efface l'affichage précédent
aff.text("48.5")
aff.show()