Pin& Pin::SetAnalogValue(float value) {
analogVal.setA(value);
CalcPin();
return *this;
}
Pin& Pin::operator= (char c) {
switch(c) {
case 'S':
outState = SHORTED;
analogVal.setD(AnalogValue::ST_GND);
break;
case 'H':
outState = HIGH;
analogVal.setD(AnalogValue::ST_VCC);
break;
case 'h':
outState = PULLUP;
analogVal.setD(AnalogValue::ST_VCC);
break;
case 't':
outState = TRISTATE;
analogVal.setD(AnalogValue::ST_FLOATING);
break;
case 'l':
outState = PULLDOWN;
analogVal.setD(AnalogValue::ST_GND);
break;
case 'L':
outState = LOW;
analogVal.setD(AnalogValue::ST_GND);
break;
case 'a':
outState = ANALOG;
analogVal.setD(AnalogValue::ST_FLOATING); // set to floating state, analog value, but not set
break;
case 'A':
outState = ANALOG_SHORTED;
analogVal.setD(AnalogValue::ST_GND);
break;
}
CalcPin();
return *this;
}
bool PortPin::CalcPinOverride(bool ddr, bool port, bool pud) {
unsigned char ddov = DDOE & DDOV; // masking values
unsigned char pvov = PVOE & PVOV;
unsigned char pvovwddr = PVOEwDDR & PVOV;
bool resultingDDR = (!DDOE && ddr) || (DDOE && ddov);
bool resultingPort = (!(PVOE || PVOEwDDR) && port) || (PVOE && pvov) || (PVOEwDDR && pvovwddr && ddr);
bool pu = !pud && !ddr && port;
bool resultingPU = (!PUOE && pu) || (PUOE && PUOV);
if(resultingDDR) {
if(resultingPort)
outState = Pin::HIGH;
else
outState = Pin::LOW;
} else {
if(resultingPU)
outState = Pin::PULLUP;
else
outState = Pin::TRISTATE;
}
return CalcPin();
}
