PCA9685PWM.cxx

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#include "PCA9685PWM.hxx"
 
//
// entry()
//
void *PCA9685PWM::entry()
{
    for ( ; /* forever */ ; )
    {
        sem_.wait();
        uint16_t dirty_shaddow = dirty_;
        dirty_ = 0;
 
        for (unsigned i = 0; i < NUM_CHANNELS; ++i)
        {
            if (dirty_shaddow & (0x1 << i))
            {
                write_pwm_duty(i, duty_[i]);
            }
        }
    }
 
    return NULL;
}