I started an IOIO app from the HelloIOIO sample, and converted the "turn
the light on or off" button to a "send a PWM signal" button so it could
drive a servomotor.
With minimal changes, the code works beautifully: (Excerpt from void loop())
if (button_.isChecked()) {
pwm.setDutyCycle(0.5f); // Don't spin.
} else {
pwm.setDutyCycle(1.0f); // Do spin.
}
But once I no longer key the pwm off the button, it fails. Making this
trivial change, which I would expect to spin the motor always, prevents the
motor from spinning ever:
if (false) {
pwm.setDutyCycle(0.5f); // Never reach here. Never stop.
} else {
pwm.setDutyCycle(1.0f); // Always choose this. Always spin.
}
Can anyone point out what I'm missing?
- - - - - - - - - - - -
Originally posted on StackOverflow, here
<http://stackoverflow.com/questions/26032111/pwm-on-ioio-works-when-tied-to-a-button-fails-always-when-independent-of-button>
.
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