Martin Heine / Mbed 2 deprecated RGB color cycling Demo

RGB Spectrum Fader. A nice RGB color spectrum cycling Demo

Dependencies:   mbed

Fork of frdm_rgbled by Freescale

main.cpp@9:b0a76345f37c, 2014-11-19 (annotated)

Committer:
lasmahei
Date:
Wed Nov 19 14:34:11 2014 +0000
Revision:
9:b0a76345f37c
Parent:
8:a6c27db26c21 
Added Bit resolution setting and improved overall brightness

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chris 0:cf8a48b1fb23 1 #include "mbed.h"
chris 0:cf8a48b1fb23 2
Kojto 5:14891bb08b35 3 PwmOut r(LED_RED);
Kojto 5:14891bb08b35 4 PwmOut g(LED_GREEN);
lasmahei 7:a557f5584f83 5 PwmOut b(LED_BLUE);
chris 0:cf8a48b1fb23 6
lasmahei 7:a557f5584f83 7 float color,red,green,blue;
lasmahei 9:b0a76345f37c 8 unsigned int colorRes = 10; // Bit
lasmahei 9:b0a76345f37c 9 float colorRange = 1;
lasmahei 9:b0a76345f37c 10 unsigned int colorInt;
lasmahei 9:b0a76345f37c 11 unsigned int i;
lasmahei 7:a557f5584f83 12
lasmahei 7:a557f5584f83 13 int main()
lasmahei 7:a557f5584f83 14 {
lasmahei 9:b0a76345f37c 15 for(i=1; i<=colorRes; i++) colorRange = colorRange*2;
lasmahei 9:b0a76345f37c 16
lasmahei 9:b0a76345f37c 17 r.period_ms(10);
lasmahei 9:b0a76345f37c 18 g.period_ms(10);
lasmahei 9:b0a76345f37c 19 b.period_ms(10);
chris 1:eabc6f5b51d6 20
lasmahei 7:a557f5584f83 21 while (true)
lasmahei 7:a557f5584f83 22 {
lasmahei 9:b0a76345f37c 23 for (colorInt=0; colorInt <= colorRange; colorInt++)
lasmahei 9:b0a76345f37c 24 {
lasmahei 9:b0a76345f37c 25 color = (1/colorRange)*colorInt;
lasmahei 9:b0a76345f37c 26 if(colorInt >= 0 && colorInt <= colorRange/3 ) { red = 1-(color*3); green = color*3; blue = 0; }
lasmahei 9:b0a76345f37c 27 if(colorInt > colorRange/3 && colorInt <= 2*colorRange/3) { red = 0; green = 2-(color*3); blue = (color*3)-1; }
lasmahei 9:b0a76345f37c 28 if(colorInt > 2*colorRange/3 && colorInt <= colorRange) { red = (color*3)-2; green = 0; blue = (1-color)*3; }
lasmahei 7:a557f5584f83 29 r=1-red;
lasmahei 7:a557f5584f83 30 g=1-green;
lasmahei 7:a557f5584f83 31 b=1-blue;
lasmahei 9:b0a76345f37c 32 wait_ms(100);
chris 1:eabc6f5b51d6 33 }
chris 1:eabc6f5b51d6 34 }
chris 0:cf8a48b1fb23 35 }