import board
import busio
from microcontroller import Pin
def is_hardware_I2C(scl, sda):
try:
p = busio.I2C(scl, sda)
p.deinit()
return True
except ValueError:
return False
except RuntimeError:
return True
def get_unique_pins():
exclude = ['NEOPIXEL', 'APA102_MOSI', 'APA102_SCK']
pins = [pin for pin in [
getattr(board, p) for p in dir(board) if p not in exclude]
if isinstance(pin, Pin)]
unique = []
for p in pins:
if p not in unique:
unique.append(p)
return unique
for scl_pin in get_unique_pins():
for sda_pin in get_unique_pins():
if scl_pin is sda_pin:
continue
else:
if is_hardware_I2C(scl_pin, sda_pin):
print("SCL pin:", scl_pin, "\t SDA pin:", sda_pin)
else:
pass
© Adafruit Industries
https://learn.adafruit.com/adafruit-feather-m4-express-atsamd51
Page 159 of 183
