kopia lustrzana https://github.com/pimoroni/pimoroni-pico
60 wiersze
1.4 KiB
C++
60 wiersze
1.4 KiB
C++
#include <math.h>
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#include <string>
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#include "pimoroni_i2c.hpp"
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#include "breakout_encoder_wheel.hpp"
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#include "time.h"
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using namespace pimoroni;
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using namespace encoderwheel;
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/*
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A demonstration of reading the rotary dial of the Encoder Wheel breakout.
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*/
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// Create a new BreakoutEncoderWheel
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I2C i2c(BOARD::BREAKOUT_GARDEN);
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BreakoutEncoderWheel wheel(&i2c);
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// Variables
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int position = 0;
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float hue = 0.0f;
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int main() {
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stdio_init_all();
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// Attempt to initialise the encoder wheel
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if(wheel.init()) {
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// Set the first LED
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wheel.clear();
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wheel.set_hsv(position, hue, 1.0f, 1.0f);
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wheel.show();
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// Loop forever
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while(true) {
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// Has the dial been turned since the last time we checked?
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int16_t change = wheel.delta();
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if(change != 0) {
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// Print out the direction the dial was turned, and the count
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if(change > 0)
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printf("Clockwise, Count = %d\n", wheel.count());
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else
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printf("Counter Clockwise, Count = %d\n", wheel.count());
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// Record the new position (from 0 to 23)
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position = wheel.step();
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// Record a colour hue from 0.0 to 1.0
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hue = fmodf(wheel.revolutions(), 1.0f);
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// Set the LED at the new position to the new hue
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wheel.clear();
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wheel.set_hsv(position, hue, 1.0f, 1.0f);
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wheel.show();
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}
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}
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}
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return 0;
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} |