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fixup examples based on default pin #define-s and also support them being undefined

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graham sanderson
2021-02-28 09:00:36 -06:00
committed by Graham Sanderson
parent 82c7a506de
commit 3c82d8aa2b
10 changed files with 101 additions and 43 deletions
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10
picoboard/button/button.c
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@@ -11,7 +11,7 @@
#include "hardware/structs/ioqspi.h"
#include "hardware/structs/sio.h"
// This example blinks the Picoboard LED when the BOOTSEL button is pressed.
// This example blinks the Pico LED when the BOOTSEL button is pressed.
//
// Picoboard has a button attached to the flash CS pin, which the bootrom
// checks, and jumps straight to the USB bootcode if the button is pressed
@@ -53,10 +53,14 @@ bool __no_inline_not_in_flash_func(get_bootsel_button)() {
}
int main() {
#ifndef PICO_DEFAULT_LED_PIN
#warning picobooard/button example requires a board with a regular LED
#else
gpio_init(PICO_DEFAULT_LED_PIN);
gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT);
while (true) {
gpio_put(PICO_DEFAULT_LED_PIN, get_bootsel_button());
gpio_put(PICO_DEFAULT_LED_PIN, get_bootsel_button() ^ PICO_DEFAULT_LED_PIN_INVERTED);
sleep_ms(10);
}
}
#endif
}