minimal blinky sketch

movement.c

@@ -0,0 +1,16 @@
+#include "app.h"
+#include "delay.h"
+
+void app_init(void) {
+}
+
+void app_setup(void) {
+    HAL_GPIO_GREEN_out();
+}
+
+bool app_loop(void) {
+    HAL_GPIO_GREEN_toggle();
+    delay_ms(500);
+
+    return false;
+}