kopia lustrzana https://github.com/pimoroni/pimoroni-pico
96 wiersze
2.4 KiB
C++
96 wiersze
2.4 KiB
C++
#include <math.h>
|
|
#include <string>
|
|
#include "pimoroni_i2c.hpp"
|
|
#include "breakout_encoder_wheel.hpp"
|
|
#include "time.h"
|
|
|
|
using namespace pimoroni;
|
|
using namespace encoderwheel;
|
|
|
|
/*
|
|
A demonstration of reading the 5 buttons on Encoder Wheel.
|
|
*/
|
|
|
|
// Constants
|
|
const std::string BUTTON_NAMES[] = {"Up", "Down", "Left", "Right", "Centre"};
|
|
|
|
// Create a new BreakoutEncoderWheel
|
|
I2C i2c(BOARD::BREAKOUT_GARDEN);
|
|
BreakoutEncoderWheel wheel(&i2c);
|
|
|
|
// Variables
|
|
bool last_pressed[NUM_BUTTONS] = {false, false, false, false, false};
|
|
bool pressed[NUM_BUTTONS] = {false, false, false, false, false};
|
|
|
|
|
|
int main() {
|
|
stdio_init_all();
|
|
|
|
// Attempt to initialise the encoder wheel
|
|
if(wheel.init()) {
|
|
// Loop forever
|
|
while(true) {
|
|
// Read all of the encoder wheel's buttons
|
|
for(int b = 0 ; b < NUM_BUTTONS; b++) {
|
|
pressed[b] = wheel.pressed(b);
|
|
if(pressed[b] != last_pressed[b]) {
|
|
printf("%s %s\n", BUTTON_NAMES[b].c_str(), pressed[b] ? "Pressed" : "Released");
|
|
}
|
|
last_pressed[b] = pressed[b];
|
|
}
|
|
|
|
// Clear the LED ring
|
|
wheel.clear();
|
|
|
|
for(int i = 0; i < NUM_LEDS; i++) {
|
|
if(i % 6 == 3) {
|
|
wheel.set_rgb(i, 64, 64, 64);
|
|
}
|
|
}
|
|
|
|
// If up is pressed, set the top LEDs to yellow
|
|
if(pressed[UP]) {
|
|
int mid = NUM_LEDS;
|
|
for(int i = mid - 2; i < mid + 3; i++) {
|
|
wheel.set_rgb(i % NUM_LEDS, 255, 255, 0);
|
|
}
|
|
}
|
|
|
|
// If right is pressed, set the right LEDs to red
|
|
if(pressed[RIGHT]) {
|
|
int mid = NUM_LEDS / 4;
|
|
for(int i = mid - 2; i < mid + 3; i++) {
|
|
wheel.set_rgb(i % NUM_LEDS, 255, 0, 0);
|
|
}
|
|
}
|
|
|
|
// If down is pressed, set the bottom LEDs to green
|
|
if(pressed[DOWN]) {
|
|
int mid = NUM_LEDS / 2;
|
|
for(int i = mid - 2; i < mid + 3; i++) {
|
|
wheel.set_rgb(i % NUM_LEDS, 0, 255, 0);
|
|
}
|
|
}
|
|
|
|
// If left is pressed, set the left LEDs to blue
|
|
if(pressed[LEFT]) {
|
|
int mid = (NUM_LEDS * 3) / 4;
|
|
for(int i = mid - 2; i < mid + 3; i++) {
|
|
wheel.set_rgb(i % NUM_LEDS, 0, 0, 255);
|
|
}
|
|
}
|
|
|
|
// If centre is pressed, set the diagonal LEDs to half white
|
|
if(pressed[CENTRE]) {
|
|
for(int i = 0; i < NUM_LEDS; i++) {
|
|
if(i % 6 >= 2 && i % 6 <= 4) {
|
|
wheel.set_rgb(i, 128, 128, 128);
|
|
}
|
|
}
|
|
}
|
|
wheel.show();
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
} |