kopia lustrzana https://github.com/pimoroni/pimoroni-pico
55 wiersze
1.1 KiB
C++
55 wiersze
1.1 KiB
C++
#include <cstdio>
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#include "pico/stdlib.h"
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#include "encoder.hpp"
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/*
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A demonstration of a rotary encoder being used to control a value.
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*/
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using namespace encoder;
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// Create an encoder on the 3 ADC pins, using PIO 0 and State Machine 0
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const uint PIN_A = 26; // The A channel pin
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const uint PIN_B = 28; // The B channel pin
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const uint PIN_C = 27; // The common pin
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Encoder enc(pio0, 0, {PIN_A, PIN_B}, PIN_C);
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// The min and max value
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const int MIN_VALUE = 0;
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const int MAX_VALUE = 100;
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int value = 50;
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int main() {
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stdio_init_all();
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// Sleep 8 seconds to give enough time to connect up a terminal
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sleep_ms(8000);
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// Uncomment the below line to reverse the counting direction
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// enc.direction(REVERSED_DIR);
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// Initialise the encoder
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enc.init();
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// Print out the initial value
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printf("Value = %d\n", value);
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// Loop forever
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while(true) {
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int32_t delta = enc.delta();
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if(delta != 0) {
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if(delta > 0)
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value = MIN(value + 1, MAX_VALUE);
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else
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value = MAX(value - 1, MIN_VALUE);
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// Print out the new value
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printf("Value = %d\n", value);
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}
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}
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}
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