47 lines
1.2 KiB
Arduino
47 lines
1.2 KiB
Arduino
|
/**
|
||
|
|
* @file led-test.ino
|
||
|
|
* @brief Test for the single WS2812-compatible RGB LED on the Hosyond 2.8"
|
||
|
|
* ESP32-S3 Display (IO42, single-wire). Cycles red/green/blue/white/off so
|
||
|
|
* you can confirm the LED and its color channel wiring are all good.
|
||
|
|
*
|
||
|
|
* Dependencies:
|
||
|
|
* - https://github.com/adafruit/Adafruit_NeoPixel
|
||
|
|
* @see https://www.lcdwiki.com/2.8inch_ESP32-S3_Display
|
||
|
|
* @author Phil Schatzmann
|
||
|
|
* @copyright GPLv3
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <Adafruit_NeoPixel.h>
|
||
|
|
|
||
|
|
constexpr int kPinLed = 42;
|
||
|
|
constexpr int kNumPixels = 1;
|
||
|
|
|
||
|
|
Adafruit_NeoPixel pixel(kNumPixels, kPinLed, NEO_GRB + NEO_KHZ800);
|
||
|
|
|
||
|
|
struct NamedColor {
|
||
|
|
const char* name;
|
||
|
|
uint8_t r, g, b;
|
||
|
|
};
|
||
|
|
|
||
|
|
const NamedColor colors[] = {
|
||
|
|
{"RED", 255, 0, 0}, {"GREEN", 0, 255, 0}, {"BLUE", 0, 0, 255},
|
||
|
|
{"WHITE", 255, 255, 255}, {"OFF", 0, 0, 0},
|
||
|
|
};
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
Serial.begin(115200);
|
||
|
|
Serial.println("starting RGB LED test...");
|
||
|
|
|
||
|
|
pixel.begin();
|
||
|
|
pixel.setBrightness(64); // keep it comfortable to look at directly
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
for (const auto& c : colors) {
|
||
|
|
Serial.printf("LED: %s (%d,%d,%d)\n", c.name, c.r, c.g, c.b);
|
||
|
|
pixel.setPixelColor(0, pixel.Color(c.r, c.g, c.b));
|
||
|
|
pixel.show();
|
||
|
|
delay(1000);
|
||
|
|
}
|
||
|
|
}
|