Warn when using blink_simple without PICO_DEFAULT_LED_PIN

blink_simple won't do anything without PICO_DEFAULT_LED_PIN, so raise a warning similar to other examples that rely on PICO_DEFAULT_LED_PIN (eg blinky, hello_pio)
raspberrypi · Jan 15, 2025 · 40068e3 · 40068e3
1 parent b6ac07f
commit 40068e3
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/blink_simple/blink_simple.c b/blink_simple/blink_simple.c
@@ -10,6 +10,10 @@
 #define LED_DELAY_MS 250
 #endif
 
+#ifndef PICO_DEFAULT_LED_PIN
+#warning blink_simple example requires a board with a regular LED
+#endif
+
 // Initialize the GPIO for the LED
 void pico_led_init(void) {
 #ifdef PICO_DEFAULT_LED_PIN