web.py 文件源码

def notify_particle():
    # The particle device gets notified about changes here
    peak_v = float(getRedisValue("peak"))
    balance_v = float(getRedisValue("balance"))

    # If the balance exceeds the peak/below 0, then the servo/needle might break.
    # Because of this, the angle's value gets checked before sending to particle.io
    if balance_v > peak_v:
        balance_v = peak_v
    elif balance_v < 0:
        balance_v = 0

    # Prevent division by zero
    if peak_v <= 0:
        peak_v = 1

    angle_v = angle(peak_v, balance_v)
    data = {"access_token": particle_token, "arg": angle_v}
    requests.post("https://api.particle.io/v1/devices/{}/gotoPos".format(device_id), data=data)
    return angle_v