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.
main.cpp
- Committer:
- sam_grove
- Date:
- 2014-07-16
- Revision:
- 7:ad8295723268
- Parent:
- 5:14891bb08b35
File content as of revision 7:ad8295723268:
#include "mbed.h" PwmOut r(LED_RED); PwmOut g(LED_GREEN); int main() { r.period(0.001f); g.period(0.001f); while (true) { for (float i = 0.0f; i < 1.0f ; i += 0.001f) { float p = 3 * i; 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); } } }