Liyang HU
Use the hardware PwmOut to pulsate an LED (or something else), with selectable active high/low, customisable intensity function, gamma correction, and number of brightness levels.
Diff: Pulsator.cpp
- Revision:
- 3:a789d816b3a2
- Parent:
- 2:e351afc2a3a8
- Child:
- 4:55b287904199
--- a/Pulsator.cpp Fri Apr 24 05:20:38 2015 +0000
+++ b/Pulsator.cpp Fri Apr 24 07:54:31 2015 +0000
@@ -61,7 +61,7 @@
out.period(1.0 / 1024.0);
phase_2 = 0.0;
step();
- ticker.attach(this, &Pulsator::step, 0.5 * period / levels);
+ ticker.attach(this, &Pulsator::step, 0.5 * period / (float)(levels - 1));
}
void Pulsator::disable(void)
@@ -85,7 +85,6 @@
disable();
}
-
/*! Enable or disable the output.
* \param state Pulsate the output?
* \note Passing \a false deactivates the output completely, rather than