Joel Shearon / Mbed 2 deprecated NeoPixels2_copy_2

final led

Dependencies:   NeoStrip mbed

Fork of NeoPixels2 by Joel Shearon

main.cpp@1:d235193680ab, 2016-04-14 (annotated)

Committer:
hippi345
Date:
Thu Apr 14 16:08:35 2016 +0000
Revision:
1:d235193680ab
Parent:
0:f38492690f0e
Child:
2:1a511cc48d0d
LED Shoes ECE 4180

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aswild 0:f38492690f0e 1 #include "mbed.h"
aswild 0:f38492690f0e 2 #include "NeoStrip.h"
aswild 0:f38492690f0e 3 #include "gt.h"
aswild 0:f38492690f0e 4 #define N 64
aswild 0:f38492690f0e 5 #define PATTERNS 3
aswild 0:f38492690f0e 6
aswild 0:f38492690f0e 7 int hueToRGB(float h);
hippi345 1:d235193680ab 8
hippi345 1:d235193680ab 9
aswild 0:f38492690f0e 10
hippi345 1:d235193680ab 11 AnalogIn photocell(p16);
hippi345 1:d235193680ab 12 RawSerial dev(p28,p27);
aswild 0:f38492690f0e 13 NeoStrip strip(p18, N);
hippi345 1:d235193680ab 14 DigitalOut myled(LED1);
hippi345 1:d235193680ab 15 DigitalIn vibration(p15);
hippi345 1:d235193680ab 16 Serial pc(USBTX,USBRX);
hippi345 1:d235193680ab 17 int count = 0;
hippi345 1:d235193680ab 18 int senseValCur;
hippi345 1:d235193680ab 19 int senseValPre = 1;
aswild 0:f38492690f0e 20
aswild 0:f38492690f0e 21 // timer used for debugging
aswild 0:f38492690f0e 22 Timer timer;
aswild 0:f38492690f0e 23
aswild 0:f38492690f0e 24 int hueToRGB(float h)
aswild 0:f38492690f0e 25 {
aswild 0:f38492690f0e 26 // lots of floating point magic from the internet and scratching my head
aswild 0:f38492690f0e 27 float r, g, b;
aswild 0:f38492690f0e 28 if (h > 360)
aswild 0:f38492690f0e 29 h -= 360;
aswild 0:f38492690f0e 30 if (h < 0)
aswild 0:f38492690f0e 31 h += 360;
aswild 0:f38492690f0e 32 int i = (int)(h / 60.0);
aswild 0:f38492690f0e 33 float f = (h / 60.0) - i;
aswild 0:f38492690f0e 34 float q = 1 - f;
aswild 0:f38492690f0e 35
aswild 0:f38492690f0e 36 switch (i % 6)
aswild 0:f38492690f0e 37 {
aswild 0:f38492690f0e 38 case 0: r = 1; g = f; b = 0; break;
aswild 0:f38492690f0e 39 case 1: r = q; g = 1; b = 0; break;
aswild 0:f38492690f0e 40 case 2: r = 0; g = 1; b = f; break;
aswild 0:f38492690f0e 41 case 3: r = 0; g = q; b = 1; break;
aswild 0:f38492690f0e 42 case 4: r = f; g = 0; b = 1; break;
aswild 0:f38492690f0e 43 case 5: r = 1; g = 0; b = q; break;
aswild 0:f38492690f0e 44 default: r = 0; g = 0; b = 0; break;
aswild 0:f38492690f0e 45 }
aswild 0:f38492690f0e 46 // scale to integers and return the packed value
aswild 0:f38492690f0e 47 uint8_t R = (uint8_t)(r * 255);
aswild 0:f38492690f0e 48 uint8_t G = (uint8_t)(g * 255);
aswild 0:f38492690f0e 49 uint8_t B = (uint8_t)(b * 255);
aswild 0:f38492690f0e 50
aswild 0:f38492690f0e 51 return (R << 16) | (G << 8) | B;
aswild 0:f38492690f0e 52 }
aswild 0:f38492690f0e 53
hippi345 1:d235193680ab 54
hippi345 1:d235193680ab 55 int main()
hippi345 1:d235193680ab 56 {
hippi345 1:d235193680ab 57 vibration.mode(PullUp);
hippi345 1:d235193680ab 58
hippi345 1:d235193680ab 59
hippi345 1:d235193680ab 60 float bright = 0.2; // 20% is plenty for indoor use
hippi345 1:d235193680ab 61
hippi345 1:d235193680ab 62
hippi345 1:d235193680ab 63 strip.setBrightness(bright); // set default brightness
hippi345 1:d235193680ab 64
hippi345 1:d235193680ab 65 while (true)
hippi345 1:d235193680ab 66 {
hippi345 1:d235193680ab 67 strip.setBrightness(photocell);
hippi345 1:d235193680ab 68 myled = vibration.read();
hippi345 1:d235193680ab 69 senseValCur = vibration.read();
hippi345 1:d235193680ab 70 timer.reset(); // use a timer to measure loop execution time for debugging purposes
hippi345 1:d235193680ab 71 timer.start(); // for this application, the main loop takes approximately 3ms to run
hippi345 1:d235193680ab 72
hippi345 1:d235193680ab 73
hippi345 1:d235193680ab 74 if(senseValCur == 0)
hippi345 1:d235193680ab 75 {
hippi345 1:d235193680ab 76 strip.setBrightness(photocell/4);
hippi345 1:d235193680ab 77 static float dh = 360.0 / N;
hippi345 1:d235193680ab 78 static float x = 0;
hippi345 1:d235193680ab 79
hippi345 1:d235193680ab 80 for (int i = 0; i < N; i++)
hippi345 1:d235193680ab 81 {strip.setPixel(i, hueToRGB((dh * i) - x));
hippi345 1:d235193680ab 82
hippi345 1:d235193680ab 83
hippi345 1:d235193680ab 84 x += 1;
hippi345 1:d235193680ab 85 if (x > 360)
hippi345 1:d235193680ab 86 x = 0;
hippi345 1:d235193680ab 87 strip.write();
hippi345 1:d235193680ab 88 wait(0.01);}
hippi345 1:d235193680ab 89
hippi345 1:d235193680ab 90
hippi345 1:d235193680ab 91 strip.setPixels(0, N, gt_img2);
hippi345 1:d235193680ab 92 strip.write();
hippi345 1:d235193680ab 93 wait(.005);
hippi345 1:d235193680ab 94 count++;
hippi345 1:d235193680ab 95 pc.printf("%i\n\r",count);
hippi345 1:d235193680ab 96 dev.printf("%i\n\r",count);
hippi345 1:d235193680ab 97 }
hippi345 1:d235193680ab 98 senseValPre = senseValCur;
hippi345 1:d235193680ab 99 }
hippi345 1:d235193680ab 100 }
hippi345 1:d235193680ab 101
hippi345 1:d235193680ab 102
hippi345 1:d235193680ab 103