32 lines
823 B
C
32 lines
823 B
C
/**
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* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "pico/stdlib.h"
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// This is a regular old LED blinking example, however it is linked with the
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// `pico_bootsel_via_double_reset` library, so resetting the board twice
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// quickly will enter the USB bootloader. This is useful for boards which have
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// a reset button but no BOOTSEL, as long as you remember to always link the
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// `pico_bootsel_via_double_reset` library!
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int main() {
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#ifdef PICO_DEFAULT_LED_PIN
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const uint LED_PIN = PICO_DEFAULT_LED_PIN;
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gpio_init(LED_PIN);
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gpio_set_dir(LED_PIN, GPIO_OUT);
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while (true) {
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gpio_put(LED_PIN, 1);
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sleep_ms(250);
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gpio_put(LED_PIN, 0);
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sleep_ms(250);
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}
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#else
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while (true) {
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sleep_ms(250);
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}
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#endif
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}
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