Update blink example to use status_led lib

Author: peterharperuk

blink/CMakeLists.txt

@@ -3,11 +3,7 @@ add_executable(blink
     )
 
 # pull in common dependencies
-target_link_libraries(blink pico_stdlib)
-
-if (PICO_CYW43_SUPPORTED)
-    target_link_libraries(blink pico_cyw43_arch_none)
-endif()
+target_link_libraries(blink pico_stdlib pico_status_led)
 
 # create map/bin/hex file etc.
 pico_add_extra_outputs(blink)

blink/blink.c

@@ -5,49 +5,23 @@
  */
 
 #include "pico/stdlib.h"
-
-// Pico W devices use a GPIO on the WIFI chip for the LED,
-// so when building for Pico W, CYW43_WL_GPIO_LED_PIN will be defined
-#ifdef CYW43_WL_GPIO_LED_PIN
-#include "pico/cyw43_arch.h"
-#endif
+#include "pico/status_led.h"
 
 #ifndef LED_DELAY_MS
 #define LED_DELAY_MS 250
 #endif
 
-// Perform initialisation
-int pico_led_init(void) {
-#if defined(PICO_DEFAULT_LED_PIN)
-    // A device like Pico that uses a GPIO for the LED will define PICO_DEFAULT_LED_PIN
-    // so we can use normal GPIO functionality to turn the led on and off
-    gpio_init(PICO_DEFAULT_LED_PIN);
-    gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT);
-    return PICO_OK;
-#elif defined(CYW43_WL_GPIO_LED_PIN)
-    // For Pico W devices we need to initialise the driver etc
-    return cyw43_arch_init();
-#endif
-}
-
-// Turn the led on or off
-void pico_set_led(bool led_on) {
-#if defined(PICO_DEFAULT_LED_PIN)
-    // Just set the GPIO on or off
-    gpio_put(PICO_DEFAULT_LED_PIN, led_on);
-#elif defined(CYW43_WL_GPIO_LED_PIN)
-    // Ask the wifi "driver" to set the GPIO on or off
-    cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, led_on);
-#endif
-}
-
 int main() {
-    int rc = pico_led_init();
-    hard_assert(rc == PICO_OK);
+    bool rc = pico_status_led_init(NULL);
+    hard_assert(rc);
     while (true) {
-        pico_set_led(true);
+        pico_status_led_set(true);
+        pico_status_led_color_set(true);
         sleep_ms(LED_DELAY_MS);
-        pico_set_led(false);
+        assert(pico_status_led_get());
+        pico_status_led_set(false);
+        pico_status_led_color_set(false);
         sleep_ms(LED_DELAY_MS);
+        assert(!pico_status_led_get());
     }
 }