kopia lustrzana https://github.com/pimoroni/pimoroni-pico
47 wiersze
1.0 KiB
C++
47 wiersze
1.0 KiB
C++
#include <stdio.h>
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#include "pico/stdlib.h"
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#include "breakout_trackball.hpp"
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using namespace pimoroni;
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static const uint8_t SENSITIVITY = 2;
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// Trackball requires I2C at 100kHz or less.
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I2C i2c(BOARD::BREAKOUT_GARDEN, 100000);
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BreakoutTrackball trackball(&i2c);
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int main() {
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stdio_init_all();
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if(!trackball.init()) {
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printf("Trackball failed to init!\n");
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return 1;
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}
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printf("Roll the Trackball to change colour!\n");
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trackball.set_rgbw(0, 0, 0, 64);
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while(true) {
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Trackball::State state = trackball.read();
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if(state.sw_pressed)
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trackball.set_rgbw(0, 0, 0, 255);
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else if(state.left > SENSITIVITY)
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trackball.set_rgbw(0, 0, 255, 0);
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else if(state.right > SENSITIVITY)
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trackball.set_rgbw(255, 0, 0, 0);
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else if(state.up > SENSITIVITY)
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trackball.set_rgbw(255, 255, 0, 0);
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else if(state.down > SENSITIVITY)
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trackball.set_rgbw(0, 255, 0, 0);
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else if(state.sw_changed)
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trackball.set_rgbw(0, 0, 0, 64);
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sleep_ms(20);
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}
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return 0;
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}
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