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Let hello_double_tap run without an LED defined

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Andrew Scheller 2021-03-05 02:13:59 +00:00 committed by Graham Sanderson
parent 4d7882bc59
commit 6c6881a2a1
1 changed files with 5 additions and 3 deletions
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8
system/hello_double_tap/hello_double_tap.c
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@ -13,9 +13,7 @@
// `pico_bootsel_via_double_reset` library!
int main() {
#ifndef PICO_DEFAULT_LED_PIN
#warning system/hello_double_tap example requires a board with a regular LED
#else
#ifdef PICO_DEFAULT_LED_PIN
const uint LED_PIN = PICO_DEFAULT_LED_PIN;
gpio_init(LED_PIN);
gpio_set_dir(LED_PIN, GPIO_OUT);
@ -25,5 +23,9 @@ int main() {
gpio_put(LED_PIN, 0);
sleep_ms(250);
}
#else
while (true) {
sleep_ms(250);
}
#endif
}