kopia lustrzana https://github.com/pimoroni/pimoroni-pico
66 wiersze
1.4 KiB
C++
66 wiersze
1.4 KiB
C++
#include <cstdio>
|
|
#include "pico/stdlib.h"
|
|
|
|
#include "inventor.hpp"
|
|
|
|
/*
|
|
Shows how to initialise and read the 6 GPIO headers of Inventor 2040 W.
|
|
|
|
Press "User" to exit the program.
|
|
*/
|
|
|
|
using namespace inventor;
|
|
|
|
// The brightness of the LEDs
|
|
constexpr float BRIGHTNESS = 0.4f;
|
|
|
|
const char* GPIO_NAMES[] = {"GP0", "GP1", "GP2", "A0", "A1", "A2"};
|
|
|
|
|
|
// Create a new Inventor2040W
|
|
Inventor2040W board;
|
|
|
|
|
|
int main() {
|
|
stdio_init_all();
|
|
|
|
// Attempt to initialise the board
|
|
if(board.init()) {
|
|
|
|
// Set up the GPIOs as inputs
|
|
for(uint i = 0; i < NUM_GPIOS; i++) {
|
|
uint pin = GPIOS[i];
|
|
gpio_set_function(pin, GPIO_FUNC_SIO);
|
|
gpio_set_dir(pin, GPIO_IN);
|
|
gpio_pull_down(pin);
|
|
}
|
|
|
|
// Read the GPIOs until the user button is pressed
|
|
while(!board.switch_pressed()) {
|
|
|
|
// Read each GPIO in turn and print its value
|
|
for(uint i = 0; i < NUM_GPIOS; i++) {
|
|
bool value = gpio_get(GPIOS[i]);
|
|
printf("%s = %d, ", GPIO_NAMES[i], value);
|
|
|
|
// Set the neighbouring LED to a colour based on
|
|
// the input, with Green for high and Blue for low
|
|
if(value)
|
|
board.leds.set_hsv(i, 0.333, 1.0, BRIGHTNESS);
|
|
else
|
|
board.leds.set_hsv(i, 0.666, 1.0, BRIGHTNESS);
|
|
}
|
|
|
|
// Print a new line
|
|
printf("\n");
|
|
|
|
sleep_ms(0.1);
|
|
}
|
|
|
|
// Turn off the LED bars
|
|
board.leds.clear();
|
|
|
|
// Sleep a short time so the clear takes effect
|
|
sleep_ms(100);
|
|
}
|
|
} |