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80 lines
1.9 KiB
80 lines
1.9 KiB
9 years ago
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#pragma once
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/* Includes ------------------------------------------------------------------*/
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#include "main.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 GPIOB
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#define COLORLED_PIN GPIO_Pin_12
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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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/**
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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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/* 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 Turn OFF the rgb LED
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*/
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void colorled_off(void);
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/**
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* @brief Set color of a WS2812B
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* @param rgb - color 0xRRGGBB
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*/
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void colorled_set(uint32_t rgb);
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/**
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* @brief Set color of multiple chained RGB leds
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* @param rgbs - array of colors (0xRRGGBB)
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* @param count - number of LEDs
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*/
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void colorled_set_many(uint32_t *rgbs, int count);
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