Nathan Argetsinger / Mbed 2 deprecated FIR_SENSOR

Light Show library for organic, calm, light display.

Dependencies:   BLE_API mbed nRF51822

Fork of mbed_blinky by Mbed

light_show.h@27:a55dde8334f3, 2016-02-01 (annotated)

Committer:
nargetdev
Date:
Mon Feb 01 02:45:51 2016 +0000
Revision:
27:a55dde8334f3
Parent:
26:8bc9984c4600 
light_show library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nargetdev 27:a55dde8334f3 1 /*LED driver library for an "organic" light show, a composition of sine waves.
nargetdev 27:a55dde8334f3 2 *
nargetdev 27:a55dde8334f3 3 * by Nate Argetsinger
nargetdev 27:a55dde8334f3 4 *
nargetdev 27:a55dde8334f3 5 * Permission is hereby granted, free of charge, to any person obtaining a copy
nargetdev 27:a55dde8334f3 6 * of this software and associated documentation files (the "Software"), to deal
nargetdev 27:a55dde8334f3 7 * in the Software without restriction, including without limitation the rights
nargetdev 27:a55dde8334f3 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
nargetdev 27:a55dde8334f3 9 * copies of the Software, and to permit persons to whom the Software is
nargetdev 27:a55dde8334f3 10 * furnished to do so, subject to the following conditions: Buy me a beer.
nargetdev 27:a55dde8334f3 11 *
nargetdev 27:a55dde8334f3 12 * The above copyright notice and this permission notice shall be included in
nargetdev 27:a55dde8334f3 13 * all copies or substantial portions of the Software.
nargetdev 27:a55dde8334f3 14 *
nargetdev 27:a55dde8334f3 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
nargetdev 27:a55dde8334f3 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
nargetdev 27:a55dde8334f3 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
nargetdev 27:a55dde8334f3 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
nargetdev 27:a55dde8334f3 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
nargetdev 27:a55dde8334f3 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
nargetdev 27:a55dde8334f3 21 * THE SOFTWARE.
nargetdev 27:a55dde8334f3 22 */
nargetdev 27:a55dde8334f3 23
nargetdev 27:a55dde8334f3 24
nargetdev 24:52319c0a14b8 25 #ifndef LIGHT_SHOW_H
nargetdev 24:52319c0a14b8 26 #define LIGHT_SHOW_H
nargetdev 24:52319c0a14b8 27
nargetdev 25:d48f46d753fd 28 #include "macros.h"
nargetdev 25:d48f46d753fd 29 #include "config.h"
nargetdev 25:d48f46d753fd 30 #include "utility.h"
nargetdev 25:d48f46d753fd 31
nargetdev 25:d48f46d753fd 32 #include "rgb_led.h"
nargetdev 25:d48f46d753fd 33 #include "sinusoid.h"
nargetdev 25:d48f46d753fd 34
nargetdev 25:d48f46d753fd 35 extern Serial pc;
nargetdev 25:d48f46d753fd 36
nargetdev 26:8bc9984c4600 37 const float HYSTERESIS_QUANTITY = PI*2;
nargetdev 26:8bc9984c4600 38 const float INCREMENT = 0.00628f * 2;
nargetdev 25:d48f46d753fd 39
nargetdev 24:52319c0a14b8 40 class LightShow
nargetdev 24:52319c0a14b8 41 {
nargetdev 24:52319c0a14b8 42 public:
nargetdev 25:d48f46d753fd 43 LightShow(Rgb*);
nargetdev 26:8bc9984c4600 44
nargetdev 26:8bc9984c4600 45 /* randomize parameters of the 3 sine waves */
nargetdev 24:52319c0a14b8 46 void randomize_params();
nargetdev 25:d48f46d753fd 47
nargetdev 26:8bc9984c4600 48 /* Displays light show.
nargetdev 26:8bc9984c4600 49 * The light show is a composition of 3 sine waves for 3 channel LEDs
nargetdev 26:8bc9984c4600 50 **/
nargetdev 25:d48f46d753fd 51 void show();
nargetdev 26:8bc9984c4600 52
nargetdev 26:8bc9984c4600 53 /** sanity check for debugging **/
nargetdev 26:8bc9984c4600 54 void simple_show();
nargetdev 25:d48f46d753fd 55
nargetdev 25:d48f46d753fd 56 private:
nargetdev 25:d48f46d753fd 57 Rgb* strip;
nargetdev 25:d48f46d753fd 58 Sinusoid sine_waves[3];
nargetdev 24:52319c0a14b8 59
nargetdev 25:d48f46d753fd 60 // get some randomness
nargetdev 25:d48f46d753fd 61 Timer t;
nargetdev 25:d48f46d753fd 62
nargetdev 24:52319c0a14b8 63 static const float HYSTERESIS_QUANTITY = PI/4;
nargetdev 24:52319c0a14b8 64
nargetdev 25:d48f46d753fd 65 float time; // phase
nargetdev 25:d48f46d753fd 66 uint8_t finished; // bit mask for smooth fade out
nargetdev 25:d48f46d753fd 67 float hysteresis;
nargetdev 25:d48f46d753fd 68 float rgb_c[3];
nargetdev 24:52319c0a14b8 69
nargetdev 25:d48f46d753fd 70 void update_rgb();
nargetdev 24:52319c0a14b8 71 };
nargetdev 24:52319c0a14b8 72
nargetdev 24:52319c0a14b8 73 #endif