46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
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#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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An example of how to read a mechanical rotary encoder, only when a change has occurred.
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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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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 count, step, and turn (they should all be zero)
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printf("Count = %ld, ", enc.count());
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printf("Step = %d, ", enc.step());
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printf("Turn = %d\n", enc.turn());
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// Loop forever
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while(true) {
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if(enc.delta() != 0) {
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// Print out the new count, step, and turn
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printf("Count = %ld, ", enc.count());
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printf("Step = %d, ", enc.step());
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printf("Turn = %d\n", enc.turn());
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}
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}
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}
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