FlashLight Unit

FlashLight UNIT is an I/O Unit with built-in flash, including AW3641 driver and a white LED, with a color temperature of 5000-5700K. There is a mode selection switch on the board, which can set the flash mode and the constant lighting mode. The communication interface is GPIO. This Unit can be used as a flash or lighting applications.

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FlashLightUnit

Micropython Example:

 1# SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
 2#
 3# SPDX-License-Identifier: MIT
 4
 5import os, sys, io
 6import M5
 7from M5 import *
 8from unit import FlashLightUnit
 9import time
10
11
12flashlight_0 = None
13
14
15def setup():
16    global flashlight_0
17
18    M5.begin()
19    Widgets.fillScreen(0x222222)
20
21    flashlight_0 = FlashLightUnit((8, 9))
22
23
24def loop():
25    global flashlight_0
26    M5.update()
27    flashlight_0.flash(flashlight_0.BRIGHTNESS_100, flashlight_0.TIME_220MS, True)
28    time.sleep(1)
29
30
31if __name__ == "__main__":
32    try:
33        setup()
34        while True:
35            loop()
36    except (Exception, KeyboardInterrupt) as e:
37        try:
38            from utility import print_error_msg
39
40            print_error_msg(e)
41        except ImportError:
42            print("please update to latest firmware")

UIFLOW2 Example:

example.png

cores3_flashlight_example.m5f2

class FlashLightUnit

Constructors

class FlashLightUnit(port)

Initialize the FlashLightUnit.

参数:

port – The port to which the FlashLightUnit is connected. port[0]: adc pin, port[1]: pump pin.

UIFLOW2:

init.png

Methods

FlashLightUnit.flash(brightness: int, time: int, turn_off=False) → None

Flash the light.

参数:

  • brightness –

    The brightness of the light.

    Options:

    • FlashLightUnit.BRIGHTNESS_100: 100%

    • FlashLightUnit.BRIGHTNESS_90: 90%

    • FlashLightUnit.BRIGHTNESS_80: 80%

    • FlashLightUnit.BRIGHTNESS_70: 70%

    • FlashLightUnit.BRIGHTNESS_60: 60%

    • FlashLightUnit.BRIGHTNESS_50: 50%

    • FlashLightUnit.BRIGHTNESS_40: 40%

    • FlashLightUnit.BRIGHTNESS_30: 30%

  • time –

    The time of the light.

    Options:

    • FlashLightUnit.TIME_220MS: 220ms

    • FlashLightUnit.TIME_1300MS: 1300ms

  • turn_off – Turn off the light after flash.

UIFLOW2:

flash.png