Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentes Révision précédente Prochaine révision | Révision précédente | ||
| python:micropython:comserie [2023/06/04 15:54] – [2 Communication synchrone] phil | python:micropython:comserie [Date inconnue] (Version actuelle) – supprimée - modification externe (Date inconnue) 127.0.0.1 | ||
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| - | [[: | ||
| - | |||
| - | ===== MicroPython - Communication série ===== | ||
| - | {{ : | ||
| - | |||
| - | [Mise à jour le : 4/6/2023] <color # | ||
| - | * **Ressources** | ||
| - | * < | ||
| - | * < | ||
| - | * < | ||
| - | * < | ||
| - | |||
| - | ==== 1. Présentation ==== | ||
| - | |||
| - | ==== 2 Communication synchrone ==== | ||
| - | === 2.1 Bus I2C === | ||
| - | |||
| - | == Outils == | ||
| - | <button type=" | ||
| - | < | ||
| - | <code python scan.py> | ||
| - | # -------------------------------------------------------------------------------- | ||
| - | # Titre : Scanner I2C | ||
| - | # Source : adafruit | ||
| - | # Langage : CircuitPython | ||
| - | # Circuit : Raspberry Pi Pico | ||
| - | # | ||
| - | # Remarques | ||
| - | # Si le bus I2C semble bloqué, utiliser le code si dessous dans la console | ||
| - | # >>> | ||
| - | # >>> | ||
| - | # -------------------------------------------------------------------------------- | ||
| - | import time | ||
| - | import board | ||
| - | import busio | ||
| - | |||
| - | i2c_0 = busio.I2C(board.GP9, | ||
| - | i2c_1 = busio.I2C(board.GP7, | ||
| - | |||
| - | while not i2c_0.try_lock(): | ||
| - | pass | ||
| - | |||
| - | while not i2c_1.try_lock(): | ||
| - | pass | ||
| - | |||
| - | try: | ||
| - | while True: | ||
| - | print( | ||
| - | " | ||
| - | [hex(device_address_0) for device_address_0 in i2c_0.scan()]," | ||
| - | [hex(device_address_1) for device_address_1 in i2c_1.scan()]," | ||
| - | ) | ||
| - | time.sleep(2) | ||
| - | |||
| - | finally: | ||
| - | i2c_0.unlock() | ||
| - | i2c_1.unlock() | ||
| - | </ | ||
| - | </ | ||
| - | |||
| - | |||
| - | ==== 3. Communication asynchrone ==== | ||