Example PWM control of RGB LEDs
Dependencies: mbed
Fork of frdm_rgbled by
Using three PWM channels to mix the onboard RGB (Red, Green, Blue) LED to make a variety of colors.
NOTE: This example code does not work with FRDM-K64F.
Diff: main.cpp
- Revision:
- 7:ad8295723268
- Parent:
- 5:14891bb08b35
--- a/main.cpp Fri Feb 21 16:14:34 2014 +0000 +++ b/main.cpp Wed Jul 16 10:20:45 2014 +0000 @@ -3,16 +3,17 @@ PwmOut r(LED_RED); PwmOut g(LED_GREEN); -int main() { - r.period(0.001); - g.period(0.001); +int main() +{ + r.period(0.001f); + g.period(0.001f); while (true) { - for (float i = 0.0; i < 1.0 ; i += 0.001) { + for (float i = 0.0f; i < 1.0f ; i += 0.001f) { float p = 3 * i; - r = 1.0 - ((p < 1.0) ? 1.0 - p : (p > 2.0) ? p - 2.0 : 0.0); - g = 1.0 - ((p < 1.0) ? p : (p > 2.0) ? 0.0 : 2.0 - p); - wait (0.0025); + r = 1.0f - ((p < 1.0f) ? 1.0f - p : (p > 2.0f) ? p - 2.0f : 0.0f); + g = 1.0f - ((p < 1.0f) ? p : (p > 2.0f) ? 0.0f : 2.0f - p); + wait (0.0025f); } } -} \ No newline at end of file +}