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| author | Josh Rahm <joshuarahm@gmail.com> | 2020-11-28 23:21:22 -0700 |
|---|---|---|
| committer | Josh Rahm <joshuarahm@gmail.com> | 2020-11-28 23:21:22 -0700 |
| commit | fd674424d19cf12c1186394606729cff236d5bdf (patch) | |
| tree | 5ecd05faa96a32dbf86a94cec191954c14f1cb0f /include/drv/ws2812B | |
| parent | 654511788e24794c03ecb810a3b5907e95b8b55c (diff) | |
| download | stm32l4-fd674424d19cf12c1186394606729cff236d5bdf.tar.gz stm32l4-fd674424d19cf12c1186394606729cff236d5bdf.tar.bz2 stm32l4-fd674424d19cf12c1186394606729cff236d5bdf.zip | |
Some LED lights working. Not great. WIP
Diffstat (limited to 'include/drv/ws2812B')
| -rw-r--r-- | include/drv/ws2812B/ws2812b.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/drv/ws2812B/ws2812b.h b/include/drv/ws2812B/ws2812b.h new file mode 100644 index 0000000..cdbb41a --- /dev/null +++ b/include/drv/ws2812B/ws2812b.h @@ -0,0 +1,18 @@ +#ifndef WS2812B_H_ +#define WS2812B_H_ + +#include "kern/common.h" + +typedef struct { + /* why is it out of order? Don't know! That's the way the hardware was + * designed! */ + uint8_t g; + uint8_t r; + uint8_t b; +} PACKED rgb_t; + +static_assert(sizeof(rgb_t) == 3, "Sizeof rgb_t should be 3."); + +uint8_t* ws2812b_compile_rgb(rgb_t* out, size_t arr_len); + +#endif /* WS2812B_H_ */ |