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@Tamakichi
Created March 11, 2021 02:03
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Raspberry Pi Picoで8個のLEDの制御
/**
* 8個のLEDの制御
* 2021/03/03 たま吉さん
*
*/
#include "pico/stdlib.h"
#define MAXLED 8
// 8個のLEDのPIN番号割り付け
const uint8_t LED_PIN[MAXLED] = {2, 3, 4, 5, 6, 7, 8, 9};
// 8個のLEDの更新表示
void update(uint8_t value) {
for (uint8_t i=0; i < MAXLED; i++) {
gpio_put(LED_PIN[i], value & 0x80>>i ? 1:0);
}
}
// メイン
int main() {
// ピンの機能割り付け
for (uint8_t i = 0; i< MAXLED; i++) {
gpio_init(LED_PIN[i]);
gpio_set_dir(LED_PIN[i], GPIO_OUT);
gpio_put(LED_PIN[i], 0);
}
// LEDの表示更新ループ
while (true) {
update((uint8_t)0b10101010);
sleep_ms(250);
update((uint8_t)0b01010101);
sleep_ms(250);
}
}
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