ble_blinky.py

# この作品はMITライセンスの下で提供されています。
# Copyright (c) 2013-2023 OpenMV LLC. 全著作権所有。
# https://github.com/openmv/openmv/blob/master/LICENSE
#
# App storeからnRF Connectを入手し、Nanoに接続して1/0を書き込みLEDを制御してください。

import time
from board import LED
from ubluepy import Service, Characteristic, UUID, Peripheral, constants


def event_handler(id, handle, data):
    global periph
    global service
    if id == constants.EVT_GAP_CONNECTED:
        pass
    elif id == constants.EVT_GAP_DISCONNECTED:
        # アドバタイズを再開します
        periph.advertise(device_name="Nano Blinky", services=[service])
    elif id == constants.EVT_GATTS_WRITE:
        LED(1).on() if int(data[0]) else LED(1).off()


# 最初はLED(1)をオフの状態にします
LED(1).off()

notif_enabled = False
uuid_service = UUID("0x1523")
uuid_led = UUID("0x1525")

service = Service(uuid_service)
char_led = Characteristic(uuid_led, props=Characteristic.PROP_WRITE)
service.addCharacteristic(char_led)

periph = Peripheral()
periph.addService(service)
periph.setConnectionHandler(event_handler)
periph.advertise(device_name="Nano Blinky", services=[service])

while True:
    time.sleep_ms(500)

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