Seeed / color_pixels

Color pixels library using WS2812B and nRF51822

Dependents:   BLE_Color_Pixels Grove_Node BLE_HeartRate

Color pixels library using WS2812B and nRF51822 (16Hz)

http://www.seeedstudio.com/depot/bmz_cache/4/4f346dc15724a7b5a5c1383253aeefc9.image.530x397.jpg

It's for

color_pixels.h@4:16ef874fa57f, 2015-05-05 (annotated)

Committer:
yihui
Date:
Tue May 05 05:37:20 2015 +0000
Revision:
4:16ef874fa57f
Parent:
3:91af7b451005 
update header file name

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 1:0322642447e2 1 /** Color pixels library using WS2812B and nRF51822 (16Hz)
yihui 1:0322642447e2 2 * It's for
yihui 1:0322642447e2 3 * + http://www.seeedstudio.com/depot/Digital-RGB-LED-FlexiStrip-60-LED-1-Meter-p-1666.html
yihui 1:0322642447e2 4 * + http://www.seeedstudio.com/depot/WS2812B-Digital-RGB-LED-Waterproof-FlexiStrip-144-LEDmeter-2-meter-p-1869.html
yihui 1:0322642447e2 5 * + http://www.seeedstudio.com/depot/WS2812B-RGB-LED-with-Integrated-Driver-Chip-10-PCs-pack-p-1675.html
yihui 1:0322642447e2 6 *
yihui 1:0322642447e2 7 * The MIT License (MIT)
yihui 1:0322642447e2 8 *
yihui 1:0322642447e2 9 * Copyright (c) 2014 Seeed Technology Inc.
yihui 1:0322642447e2 10 *
yihui 1:0322642447e2 11 * Permission is hereby granted, free of charge, to any person obtaining a copy
yihui 1:0322642447e2 12 * of this software and associated documentation files (the "Software"), to deal
yihui 1:0322642447e2 13 * in the Software without restriction, including without limitation the rights
yihui 1:0322642447e2 14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
yihui 1:0322642447e2 15 * copies of the Software, and to permit persons to whom the Software is
yihui 1:0322642447e2 16 * furnished to do so, subject to the following conditions:
yihui 1:0322642447e2 17
yihui 1:0322642447e2 18 * The above copyright notice and this permission notice shall be included in
yihui 1:0322642447e2 19 * all copies or substantial portions of the Software.
yihui 1:0322642447e2 20
yihui 1:0322642447e2 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
yihui 1:0322642447e2 22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
yihui 1:0322642447e2 23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
yihui 1:0322642447e2 24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
yihui 1:0322642447e2 25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
yihui 1:0322642447e2 26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
yihui 1:0322642447e2 27 * THE SOFTWARE.
yihui 1:0322642447e2 28 */
yihui 1:0322642447e2 29
yihui 1:0322642447e2 30 #ifndef __COLOR_PIXELS_H__
yihui 1:0322642447e2 31 #define __COLOR_PIXELS_H__
yihui 1:0322642447e2 32
yihui 1:0322642447e2 33 #include <stdint.h>
yihui 1:0322642447e2 34
Yihui Xiong 2:5c805323a2c0 35 typedef union {
Yihui Xiong 2:5c805323a2c0 36 uint32_t rgb;
Yihui Xiong 2:5c805323a2c0 37 struct {
Yihui Xiong 2:5c805323a2c0 38 uint8_t r;
Yihui Xiong 2:5c805323a2c0 39 uint8_t g;
Yihui Xiong 2:5c805323a2c0 40 uint8_t b;
Yihui Xiong 2:5c805323a2c0 41 };
Yihui Xiong 2:5c805323a2c0 42 } color_t;
Yihui Xiong 2:5c805323a2c0 43
yihui 1:0322642447e2 44 /** Color pixels class using WS2812B and nRF51822 (16Hz)
yihui 1:0322642447e2 45 *
yihui 1:0322642447e2 46 * Example:
yihui 1:0322642447e2 47 * @code
yihui 1:0322642447e2 48 * #include "mbed.h"
yihui 1:0322642447e2 49 * #include "color_pixels.h"
yihui 1:0322642447e2 50 *
yihui 1:0322642447e2 51 * ColorPixels pixels(1, 32);
yihui 1:0322642447e2 52 *
yihui 1:0322642447e2 53 * int main() {
yihui 1:0322642447e2 54 * pixels.set_color(0, 0, 255, 0);
yihui 1:0322642447e2 55 * pixels.update();
yihui 1:0322642447e2 56 *
yihui 1:0322642447e2 57 * while(1) {
yihui 1:0322642447e2 58 * }
yihui 1:0322642447e2 59 * }
yihui 1:0322642447e2 60 * @endcode
yihui 1:0322642447e2 61 */
yihui 1:0322642447e2 62 class ColorPixels
yihui 1:0322642447e2 63 {
yihui 1:0322642447e2 64 public:
yihui 1:0322642447e2 65 /** Initilaze
yihui 1:0322642447e2 66 * \param pin number of GPIO
yihui 1:0322642447e2 67 * \param num number of pixels
yihui 1:0322642447e2 68 */
yihui 1:0322642447e2 69 ColorPixels(uint8_t pin, uint16_t num);
yihui 1:0322642447e2 70
yihui 1:0322642447e2 71 ~ColorPixels();
yihui 1:0322642447e2 72
yihui 1:0322642447e2 73 /** Set the color of a pixel (without update)
yihui 1:0322642447e2 74 * \param index index of a pixel
yihui 1:0322642447e2 75 * \param r red
yihui 1:0322642447e2 76 * \param g green
yihui 1:0322642447e2 77 * \param b blue
yihui 1:0322642447e2 78 */
yihui 1:0322642447e2 79 void set_color(uint16_t index, uint8_t r, uint8_t g, uint8_t b);
yihui 1:0322642447e2 80
Yihui Xiong 2:5c805323a2c0 81 void set_color(uint16_t index, uint32_t rgb);
Yihui Xiong 2:5c805323a2c0 82
yihui 3:91af7b451005 83 void set_all_color(uint8_t r, uint8_t g, uint8_t b);
yihui 3:91af7b451005 84
Yihui Xiong 2:5c805323a2c0 85 void rainbow(uint8_t r, uint8_t g, uint8_t b);
Yihui Xiong 2:5c805323a2c0 86
Yihui Xiong 2:5c805323a2c0 87 void rainbow(uint32_t rgb = 0x0000FF);
Yihui Xiong 2:5c805323a2c0 88
yihui 1:0322642447e2 89 /** Update
yihui 1:0322642447e2 90 */
yihui 1:0322642447e2 91 void update();
yihui 1:0322642447e2 92
yihui 1:0322642447e2 93 /** Turn off all pixels
yihui 1:0322642447e2 94 */
yihui 1:0322642447e2 95 void clear();
yihui 1:0322642447e2 96
yihui 1:0322642447e2 97 private:
yihui 1:0322642447e2 98 typedef union {
yihui 1:0322642447e2 99 struct {
yihui 1:0322642447e2 100 uint8_t g, r, b;
yihui 0:1e1ce549ad91 101 };
yihui 1:0322642447e2 102 uint32_t grb;
Yihui Xiong 2:5c805323a2c0 103 } grb_t;
yihui 1:0322642447e2 104
yihui 1:0322642447e2 105 uint8_t pin;
yihui 1:0322642447e2 106 uint16_t num;
Yihui Xiong 2:5c805323a2c0 107 grb_t *colors;
yihui 1:0322642447e2 108
yihui 1:0322642447e2 109 };
yihui 1:0322642447e2 110
yihui 1:0322642447e2 111 #endif // __COLOR_PIXELS_H__