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M5Stack Nodeモジュールサンプルコード (LED点灯)
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// ---------------------------------------------------------- | |
// M5Stack Nodeモジュール向けLED(SK6812)操作 2018/12/24 @ksasao | |
// ---------------------------------------------------------- | |
// M5Stack Fire向けの公式のコードを若干修正 | |
// https://github.com/m5stack/M5Stack/blob/master/examples/Fire/M5StackFire_NeoPixelTest/M5StackFire_NeoPixelTest.ino | |
#include <M5Stack.h> | |
#include <Adafruit_NeoPixel.h> | |
#define M5STACK_NODE_NEO_NUM_LEDS 12 | |
#define M5STACK_NODE_NEO_DATA_PIN 15 | |
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(M5STACK_NODE_NEO_NUM_LEDS, M5STACK_NODE_NEO_DATA_PIN, NEO_GRB + NEO_KHZ800); | |
int pos = 0; | |
void setup() | |
{ | |
M5.begin(); | |
M5.Lcd.setBrightness(30); | |
M5.Lcd.setTextSize(2); | |
M5.Lcd.println("LED Test"); | |
pixels.begin(); | |
} | |
void loop() | |
{ | |
UpdateLEDs(); | |
delay(500); | |
} | |
void UpdateLEDs(){ | |
int m = 255; // 明るさ(0 - 255) | |
for(int i=0; i<M5STACK_NODE_NEO_NUM_LEDS; i++){ | |
int col = (i == pos) ? m : 0; | |
pixels.setPixelColor(i, pixels.Color(col, m - col, m - col)); | |
} | |
pixels.show(); | |
pos = (pos+1) % M5STACK_NODE_NEO_NUM_LEDS; | |
} |
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