init fw

app/app.cpp

@@ -0,0 +1,16 @@
+#include "Arduino.h"
+
+extern "C" void app() {
+    printf("hello Flipper!\n");
+
+    GpioPin red_led = {LED_RED_GPIO_Port, LED_RED_Pin};
+
+    app_gpio_init(red_led, GpioModeOutput);
+
+    while(1) {
+        delay(100);
+        app_gpio_write(red_led, true);
+        delay(100);
+        app_gpio_write(red_led, false);
+    }
+}