void ColourEngine::Update() {
_LAT(PIO_LED2) = HIGH;
// Adjust current colour by brightness
RGBWColour colour = current_rgbw * current_brightness;
// Raw RGBW values are passed directly to the PWM outputs.
// Note that scaling by brightness will probably not look right, so refrain from using brightness control in this case!
// sRGBW values operate in a perceptually-uniform colour space
// ie, 0.5 = half brightness (not half power!)
// These values can be scaled while still appearing linear.
if (colour.space == RGBWColour::sRGB) {
colour = colour.to_linear();
}
PWMUpdate(colour.red, colour.green, colour.blue, colour.white);
_LAT(PIO_LED2) = LOW;
}
//////////////////////////////////////////////////////////////////////////////////////////
//
// TransducerUpdate - Update the transducer driver
//
// Inputs: None
//
// Outputs: None.
//
// NOTE: Called by timer update, not for public consumption
//
void TransducerUpdate(void) {
//
// Update all subordinate components
//
PWMUpdate();
ACS712Update();
InputsUpdate();
//
// If we're running, use the PWM version of frequency since it's the most accurate.
// Otherwise the PWM is offline so use the less-accurate count to keep us in the
// ballpark.
//
// Note: SG3525 counted output is twice the actual frequency
//
TransducerCurr.Freq = GetPWMFreq();
TransducerCurr.PWM = GetPWM()*2;
TransducerCurr.Current = ACS712GetCurrent();
//
// PWM is % x 10, Current is in Amps x 10, and drive is 12 volts
//
// Multiply everything together and divide by 10 to get power in Watts x 10
//
uint32_t PwrTemp;
PwrTemp = TransducerCurr.Current*TRANSDUCER_DRIVE_VOLTS;
PwrTemp *= TransducerCurr.PWM;
PwrTemp /= 1000;
TransducerCurr.Power = (uint16_t) PwrTemp;
//
// If we're running on timer, decrement and possibly stop
//
if( TransducerCurr.On && TransducerSet.RunMode == RUN_TIMED ) {
if( --TransducerCurr.RunTimer == 0 )
TransducerOn(false);
}
switch(TransducerSet.CtlMode) {
//////////////////////////////////////////////////////////////////////////////////
//
// CTL_CONST_FREQ - Set constant frequency and power
//
case CTL_CONST_FREQ:
// AdjustPower();
break;
//////////////////////////////////////////////////////////////////////////////////
//
// CTL_MAX_EFF - Keep maximum efficiency
//
case CTL_MAX_EFF:
break;
default:
break;
}
}
