Complete animation mode

include/animation.h

@@ -11,8 +11,25 @@ enum animation_state {
 	ANI_FLASH_WHITE,
 };
 
+struct rgb_color {
+	uint8_t red;
+	uint8_t green;
+	uint8_t blue;
+};
+
+enum rainbow_state {
+	RAINBOW_RY,
+	RAINBOW_YG,
+	RAINBOW_GC,
+	RAINBOW_CB,
+	RAINBOW_BM,
+	RAINBOW_MR,
+};
+
 struct animation {
 	enum animation_state state;
+	enum rainbow_state rb_start_state;
+	struct rgb_color rb_start_color;
 	uint32_t step;
 	uint32_t last_tick;
 	uint32_t next_interval;

include/systick.h

@@ -2,8 +2,10 @@
 #define _SYSTICK_H_
 
 #include <stdint.h>
+#include <stdbool.h>
 
 void systick_wait_ms(uint32_t ms);
 uint32_t systick_get_global_tick(void);
+bool systick_get_blink_state(void);
 
 #endif /* _SYSTICK_H_ */