kopia lustrzana https://github.com/pimoroni/pimoroni-pico
57 wiersze
1.0 KiB
C++
57 wiersze
1.0 KiB
C++
#include "pico/stdlib.h"
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#include "motor2040.hpp"
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#include "button.hpp"
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/*
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Displays a rotating rainbow pattern on the Motor 2040's onboard LED.
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Press "Boot" to exit the program.
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*/
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using namespace plasma;
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using namespace motor;
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// The speed that the LED will cycle at
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const uint SPEED = 5;
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// The brightness of the LED
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constexpr float BRIGHTNESS = 0.4f;
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// How many times the LED will be updated per second
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const uint UPDATES = 50;
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// Create the LED, using PIO 1 and State Machine 0
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WS2812 led(motor2040::NUM_LEDS, pio1, 0, motor2040::LED_DATA);
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// Create the user button
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Button user_sw(motor2040::USER_SW);
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int main() {
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stdio_init_all();
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// Start updating the LED
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led.start();
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float hue = 0.0f;
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// Make rainbows until the user button is pressed
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while(!user_sw.raw()) {
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hue += (float)SPEED / 1000.0f;
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// Update the LED
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led.set_hsv(0, hue, 1.0f, BRIGHTNESS);
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sleep_ms(1000 / UPDATES);
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}
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// Turn off the LED
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led.clear();
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// Sleep a short time so the clear takes effect
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sleep_ms(100);
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}
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