• aligned : pcm.h , mock/pwm.h , pwm.h
• videocore_mbox_t : ws2811.c
• ws2811_channel_t : ws2811.h , mock/ws2811.h
• ws2811_device_t : ws2811.cpp , ws2811.c
• ws2811_led_t : ws2811.h , mock/ws2811.h
• ws2811_t : mock/ws2811.h , ws2811.h