+void pwmled_set_brightness(uint16_t brightness);
+#define PWMLED_BRIGHTNESS(l0_lo, l0_hi, l1, l2_lo, l2_hi) ( \
+ (uint16_t)(l0_lo) \
+ | ((uint16_t)(l0_hi) << 3) \
+ | ((uint16_t)(l1) << 6) \
+ | ((uint16_t)(l2_lo) << 9) \
+ | ((uint16_t)(l2_hi) << 12) \
+ )