UNIT_RGB_LED「M5Stack用RGB LEDユニット(SK6812)」を動かす

2021/12/30
初版

UNIT_RGB_LED

UNIT_RGB_LED

概要

UNIT_RGB_LED「M5Stack用RGB LEDユニット(SK6812)」を動かす。
ソースは共通になっており、ターゲットのM5Atom,M5StickCPlus,M5Core2をplatformio.iniの内容で切り替えてビルドする。

ソース

src/RGB_SK6812.ino

  /*
  *******************************************************************************
  * Copyright (c) 2021 by M5Stack
  *                  Equipped with M5Core2 sample source code
  *                          配套  M5Core2 示例源代码
  * Visit the website for more information：https://docs.m5stack.com/en/core/core2
  * 获取更多资料请访问：https://docs.m5stack.com/zh_CN/core/core2
  *
  * describe：RGB.  多彩灯
  * date：2021/8/11
  *******************************************************************************
    Please connect to Port B,Control RGB Unit to scroll through three colors of red, green and blue
    请连接端口B,控制RGB单元滚动红、绿、蓝三种颜色.
  */
  #ifdef M5C2
  #include <M5Core2.h>
  #endif
  #ifdef M5STICK_CP
  #include <M5StickCPlus.h>
  #endif
  #ifdef M5ATOM
  #include <M5Atom.h>
  #endif

  #include <Adafruit_NeoPixel.h>

  #ifdef M5C2
  #define PIN        32
  #define NUMPIXELS  3
  #endif
  #ifdef M5STICK_CP
  #define PIN        32
  #define NUMPIXELS  3
  #endif
  #ifdef M5ATOM
  #define PIN        26
  #define NUMPIXELS  3
  #endif

  Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800); //set number of LEDs, pin number, LED type.  设置灯的数量,控制引脚编号,灯灯类型

  void setup() {
  #ifndef M5ATOM
    M5.begin(); //Init M5Core2.  初始化 M5Core2
    pixels.begin(); //Init the NeoPixel library.  初始化NeoPixel库
    M5.Lcd.println(("RGB Example"));
  #endif
  #ifdef M5ATOM
    pixels.begin(); //Init the NeoPixel library.
  #endif
  }

  int i=0,j=1,k=2;

  void loop() {
    pixels.setPixelColor(i++, pixels.Color(100, 0, 0)); // Bright red
    pixels.setPixelColor(j++, pixels.Color(0,100,0)); // Bright green
    pixels.setPixelColor(k++, pixels.Color(0,0,100)); // Bright blue
    pixels.show(); //sends the updated color to the hardware.  将更新后的颜色发送到硬件。
    delay(100);
    if(i==3)  i=0;
    else if(j==3)  j=0;
    else if(k==3)  k=0;
  }
  

platformio.ini

M5Atom用

  [env:M5ATOM]
  platform = espressif32
  board = m5stick-c
  framework = arduino
  build_flags = -DM5ATOM
  upload_poert = /dev/ttyUSB0
  monitor_speed = 115200

  lib_deps =
      m5stack/M5Atom @ ^0.0.7
      fastled/FastLED @ ^3.4.0
      adafruit/Adafruit NeoPixel @ ^1.10.3

  lib_ldf_mode = deep+
  

M5Core2用

  [env:m5core2]
  platform = espressif32
  board = m5stack-core2
  framework = arduino
  upload_speed = 2000000
  monitor_speed = 115200
  board_build.partitions = default_16MB.csv

  build_flags = 
      -DM5C2
      -DCORE_DEBUG_LEVEL=4
      -DBOARD_HAS_PSRAM
      -mfix-esp32-psram-cache-issue

  lib_deps =
      https://github.com/m5stack/M5Core2.git
      https://github.com/FastLED/FastLED
      ;https://github.com/m5stack/M5Core2/blob/master/examples/core2_for_aws/ArduinoECCX08.zip
      lovyan03/LovyanGFX
      adafruit/Adafruit BMP280 Library @ ^2.5.0
      adafruit/Adafruit Unified Sensor @ ^1.1.4    
      m5stack/UNIT_ENV @ ^0.0.2 
      adafruit/Adafruit NeoPixel @ ^1.10.3

  lib_ldf_mode = deep+
  

M5StickCPlus用

  [env:M5StickCPlus]
  platform = espressif32
  board = m5stick-c
  framework = arduino
  build_flags = -DM5STICK_CP
  monitor_speed = 115200
  lib_ldf_mode = deep+

  lib_deps =
      m5stack/M5StickCPlus @ ^0.0.5
      tinyu-zhao/FFT @ ^0.0.1
      m5stack/UNIT_ENV @ ^0.0.2
      adafruit/Adafruit BMP280 Library @ ^2.5.0
      adafruit/Adafruit Unified Sensor @ ^1.1.4
      adafruit/Adafruit NeoPixel @ ^1.10.3

  

動作

UNITの３つのLEDが光る。

参考情報

terminal関連:
Bootterm – a developer-friendly serial terminal program

platformio関連：
arduinoフレームワーク用platformio.ini集
Building Core2 FactoryDemo in PlatformIO
VSCodeとPlatformIOでM5Stack Core2開発
M5Stack Core2とVSCode + PlatformIOとでM5Stackプログラミングを始めてみた。

Arduino-IDE関連：
Arduino IDE environment - M5Paper
Arduino IDEのインストールと設定 (Windows, Mac, Linux対応)

M5Stackファミリ関連：
M5Core2 Arduino Install
M5Paper Arduino Install
M5CoreInk Arduino Install
M5Stamp-PICO Arduino Install
M5Stamp-C3 Arduino Install
Wio-Terminal/ESP8622/ESP32ボードを共通のスケッチで動かす(NTP-CLIENT編)
Wio-Terminal/M5Atom/ESP8622/ESP32ボードを共通のスケッチで動かす(v2)(STARWARS編)
Wio-Terminal/M5Atom/ESP8622/ESP32ボードを共通のスケッチで動かす(v2)(MQTT編)
Wio-Terminal/M5Atom/ESP8622/ESP32ボードを共通のスケッチで動かす(v2)(REST-API編)
Wio-Terminal/M5Atom/ESP8622/ESP32ボードを共通のスケッチで動かす(v2)(OSC編)

以上