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93 lines
2.4 KiB
93 lines
2.4 KiB
9 years ago
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#ifndef MPORK_WS2812_H
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#define MPORK_WS2812_H
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/* Includes ------------------------------------------------------------------*/
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#include <common.h>
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/* Exported types ------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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// PB8 - WS2812B data line
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#define COLORLED_GPIO GPIOC
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#define COLORLED_PIN GPIO15
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#define RGB_RED rgb(255, 0, 0)
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#define RGB_ORANGE rgb(255, 110, 0)
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#define RGB_YELLOW rgb(255, 255, 0)
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#define RGB_LIME rgb(160, 255, 0)
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#define RGB_GREEN rgb( 0, 255, 0)
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#define RGB_CYAN rgb( 0, 255, 120)
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#define RGB_BLUE rgb( 0, 0, 255)
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#define RGB_MAGENTA rgb(255, 0, 255)
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#define RGB_WHITE rgb(255, 255, 255)
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#define RGB_BLACK rgb( 0, 0, 0)
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/* Exported macros -----------------------------------------------------------*/
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/**
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* @brief Compose an RGB color.
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* @param r, g, b - components 0xFF
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* @returns integer 0xRRGGBB
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*/
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#define rgb(r, g, b) (((0xFF & (r)) << 16) | ((0xFF & (g)) << 8) | (0xFF & (b)))
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/* Get components */
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#define rgb_r(rgb) (((rgb) >> 16) & 0xFF)
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#define rgb_g(rgb) (((rgb) >> 8) & 0xFF)
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#define rgb_b(rgb) ((rgb) & 0xFF)
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/* Exported functions --------------------------------------------------------*/
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/**
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* @brief Struct for easy manipulation of RGB colors.
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*
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* Set components in the xrgb.r (etc.) and you will get
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* the hex in xrgb.num.
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*/
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typedef union {
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/** Struct for access to individual color components */
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struct __attribute__((packed)) {
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uint8_t b;
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uint8_t g;
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uint8_t r;
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};
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/** RGB color as a single uint32_t */
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uint32_t num;
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} ws2812_rgb_t;
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/**
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* @brief Macro to compose the RGB struct.
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*
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* You can also use {.num = 0xFF0000} to set the hex directly.
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*/
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#define WS2812_RGB(r, g, b) {.num = (((r) & 0xFF) << 16) | (((g) & 0xFF) << 8) | ((b) & 0xFF)}
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/**
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* @brief Send a sequence of colors, then display it.
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* @param GPIOx
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* @param pin
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* @param rgbs : array of colors
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* @param count : array length
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*/
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void ws2812_send(GPIO_TypeDef *GPIOx, uint16_t pin, uint32_t *rgbs, uint32_t count);
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/**
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* @brief Send a single color.
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* @param GPIOx
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* @param pin
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* @param rgb : color to show
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*/
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void ws2812_single(GPIO_TypeDef *GPIOx, uint16_t pin, uint32_t rgb);
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/**
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* @brief Wait the necessary time for the colors sent using ws2812_single() to show.
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*/
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void ws2812_flip();
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#endif //MPORK_WS2812_H
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