void CheckPins(uint8_t HighPin, uint8_t LowPin, uint8_t TristatePin) { // Do the tests on the Probe pins, get device characteristics
// HighPin - Starts at H, logic 1.
// LowPin - Starts at L, logic 0.
// TriState - Starts Hi-Z, is put both H and L during the tests.
unsigned int adcv[6];
uint8_t tmpval, tmpval2;
// HighPin is Vcc, LowPin is Gnd, TriState is HiZ
wdt_reset();
// Pin set
tmpval = (LowPin * 2); // necessarily because of the arrangement of the resistances
R_DDR = (1<<tmpval); // Low pin on exit and over R_L to ground
R_PORT = 0;
ADC_DDR = (1<<HighPin); // High pin on exit
ADC_PORT = (1<<HighPin); // High pin to Vcc
_delay_ms(5);
// With some MOSFETs the gate (TriState act pin) must be unloaded first
// N-channel:
DischargePin(TristatePin,0);
adcv[0] = ReadADC(LowPin); // Read the Voltage at the Low pin
if(adcv[0] < 200)
goto next; // Does the Device close now?
DischargePin(TristatePin,1); // otherwise: Unloaded for p-channel (gate on pluses)
adcv[0] = ReadADC(LowPin); // Read the Voltage at the Low pin
next:
if(adcv[0] > 19) { // Device leads something without control current
// Test on N-JFET or leading N-MOSFET
R_DDR |= (2<<(TristatePin*2)); // Tristate pin (assumed gate) over R_H to ground
_delay_ms(20);
adcv[1] = ReadADC(LowPin); // Voltage at the assumed SOURCE measure
R_PORT |= (2<<(TristatePin*2)); // Tristate pin (assumed gate) over R_H on pluses
_delay_ms(20);
adcv[2] = ReadADC(LowPin); // Voltage at the assumed SOURCE measure again
// If it concerns a leading MOSFET or JFET, would have adcv [1] > adcv [0] its
if(adcv[2]>(adcv[1]+100)) { // Voltage at the gate measure, to the distinction between MOSFET and JFET
ADC_PORT = 0x00;
ADC_DDR = (1<<LowPin); // Low pin to ground
tmpval = (HighPin * 2); // necessarily because of the arrangement of the resistances
R_DDR |= (1<<tmpval); // High pin on exit
R_PORT |= (1<<tmpval); // High pin over R_L on Vcc
_delay_ms(20);
adcv[2] = ReadADC(TristatePin); // Voltage at the assumed gate measure
if(adcv[2]>800) { // MOSFET
PartFound = PART_FET; // N-channel-MOSFET
PartMode = PART_MODE_N_D_MOS; // Depletion MOSFET
} else { // JFET (pn transition between G and S leads)
PartFound = PART_FET; // N-channel-JFET
PartMode = PART_MODE_N_JFET;
}
b = TristatePin;
c = HighPin;
e = LowPin;
}
ADC_PORT = 0x00;
// Test on P-JFET or leading P-MOSFET
ADC_DDR = (1<<LowPin); // Low pin (assumed drain) to ground, Tristate pin (assumed gate) still is over R_H on pluses
tmpval = (HighPin * 2); // necessarily because of the arrangement of the resistances
R_DDR |= (1<<tmpval); // High pin on exit
R_PORT |= (1<<tmpval); // High pin over R_L on Vcc
_delay_ms(20);
adcv[1] = ReadADC(HighPin); // Voltage at the assumed SOURCE measure
R_PORT = (1<<tmpval); // Tristate pin (assumed gate) over R_H to ground
_delay_ms(20);
adcv[2] = ReadADC(HighPin); // Voltage at the assumed SOURCE measure again
// - If it concerns a leading P-MOSFET or P-JFET, would have adcv [0] > adcv [1] its
if(adcv[1]>(adcv[2]+100)) {
// - Voltage at the gate measure, for distinction between MOSFET and JFET
ADC_PORT = (1<<HighPin); // High pin firmly on pluses
ADC_DDR = (1<<HighPin); // High pin on exit
_delay_ms(20);
adcv[2] = ReadADC(TristatePin); // Voltage at the assumed gate measure
if(adcv[2]<200) { // MOSFET
PartFound = PART_FET; // P-channel-MOSFET
PartMode = PART_MODE_P_D_MOS; // Depletion MOSFET
} else { // JFET (pn transition between G and S leads)
PartFound = PART_FET; // P-channel-JFET
PartMode = PART_MODE_P_JFET;
}
b = TristatePin;
c = LowPin;
e = HighPin;
}
}
// Pins erneut setzen - Pin set again
tmpval = (LowPin * 2); // necessarily because of the arrangement of the resistances
R_DDR = (1<<tmpval); // Low pin on exit and over R_L to ground
R_PORT = 0;
ADC_DDR = (1<<HighPin); // High pin on exit
ADC_PORT = (1<<HighPin); // High pin to Vcc
_delay_ms(5);
if(adcv[0] < 200) { // If the Device does not have a passage between HighPin and LowPin
// Test auf pnp
tmpval2 = (TristatePin * 2); // necessarily because of the arrangement of the resistances
R_DDR |= (1<<tmpval2); // Tristate pin over R_L to ground, to the test on pnp
_delay_ms(2);
adcv[1] = ReadADC(LowPin); // Voltage measure
if(adcv[1] > 700) {
// Device leads => Pnp transistor or the like.
// Amplification factor in both directions measure
R_DDR = (1<<tmpval); // Tristate pin (basis) high impedance
tmpval2++;
R_DDR |= (1<<tmpval2); // Tristate pin (basis) over R_H to ground
_delay_ms(10);
adcv[1] = ReadADC(LowPin); // Voltage at the Low pin (assumed collector) measure
adcv[2] = ReadADC(TristatePin); // Base voltage measure
// Examine whether test already times run
if((PartFound == PART_TRANSISTOR) || (PartFound == PART_FET))
PartReady = 1;
hfe[PartReady] = adcv[1];
uBE[PartReady] = adcv[2];
if(PartFound != PART_THYRISTOR) {
if(adcv[2] > 200) {
PartFound = PART_TRANSISTOR; // PNP transistor found (basis is " " upward; pulled)
PartMode = PART_MODE_PNP;
} else {
if(adcv[0] < 20) { // - Durchlassspannung in the closed condition small enough? (otherwise D-mode-FETs are falsely recognized as E-mode)
PartFound = PART_FET; // P-channel-MOSFET found (basis/gate is not " " upward; pulled)
PartMode = PART_MODE_P_E_MOS;
// Measurement of the gate threshold voltage
tmpval = (1<<LowPin);
tmpval2 = R_DDR;
ADMUX = TristatePin | (1<<REFS0);
gthvoltage = 0;
for(b=0;b<13;b++) {
wdt_reset();
DischargePin(TristatePin,1);
while (!(ADC_PIN&tmpval)); // Control rooms, until the MOSFET scolded and on high goes to drain
R_DDR = 0;
ADCSRA |= (1<<ADSC);
while (ADCSRA&(1<<ADSC));
gthvoltage += (MAX_ADC - ADCW);
R_DDR = tmpval2;
}
gthvoltage *= 3; // Conversion in mV, together with the division by 8 (with the LCD announcement)
}
}
b = TristatePin;
c = LowPin;
e = HighPin;
}
}
// Tristate (basis assumed) on pluses, to the test on npn
ADC_PORT = 0x00; // Low pin to ground
tmpval = (TristatePin * 2); // necessarily because of the arrangement of the resistances
tmpval2 = (HighPin * 2); // necessarily because of the arrangement of the resistances
R_DDR = (1<<tmpval) | (1<<tmpval2); // High pin and Tristate pin on exit
R_PORT = (1<<tmpval) | (1<<tmpval2); // High pin and Tristate pin over R_L on Vcc
ADC_DDR = (1<<LowPin); // Low pin on exit
_delay_ms(10);
adcv[1] = ReadADC(HighPin); // Voltage at the High pin measure
if(adcv[1] < 500) {
if(PartReady == 1) goto testend;
// Device leads => NPN transistor or the like.
// Test on thyristor:
// Gate unload
R_PORT = (1<<tmpval2); // Tristate pin (gate) over R_L to ground
_delay_ms(10);
R_DDR = (1<<tmpval2); // Tristate pin (gate) high impedance
_delay_ms(5);
adcv[3] = ReadADC(HighPin); // Again Voltage at the High pin (anode assumed) measure
R_PORT = 0; // High pin (anode assumed) to ground
_delay_ms(5);
R_PORT = (1<<tmpval2); // High pin (anode assumed) pluses
_delay_ms(5);
adcv[2] = ReadADC(HighPin); // Again Voltage at the High pin (anode assumed) measure
if((adcv[3] < 500) && (adcv[2] > 900)) { // After switching the holding current off the thyristor must close
// was switched before disconnection of triggering Rome and is still switched although gate out => Thyristor
PartFound = PART_THYRISTOR;
// Test on Triac
R_DDR = 0;
R_PORT = 0;
ADC_PORT = (1<<LowPin); // Low-Pin fest auf Plus - Low pin firmly on pluses
_delay_ms(5);
R_DDR = (1<<tmpval2); // HighPin over R_L to ground
_delay_ms(5);
if(ReadADC(HighPin) > 50)
goto savenresult; // - Voltage at the High pin (more assumed a2) measure; if too highly: Device leads now => no triac
R_DDR |= (1<<tmpval); // Gate also over R_L to ground => Triac would have to ignite
_delay_ms(5);
if(ReadADC(TristatePin) < 200)
goto savenresult; // - Voltage at the Tristate pin (assumed gate) measure; Abort if Voltage too small
if(ReadADC(HighPin) < 150)
goto savenresult; // Device does not lead now => no triac => Abort
R_DDR = (1<<tmpval2); // TriState act pin (gate) again high impedance
_delay_ms(5);
if(ReadADC(HighPin) < 150)
goto savenresult; // - Device does not lead after switching the gate stream off any longer => no triac => Abort
R_PORT = (1<<tmpval2); // HighPin over R_L on pluses => Holding current out
_delay_ms(5);
R_PORT = 0; // HighPin again over R_L to ground; Triac would have to now close
_delay_ms(5);
if(ReadADC(HighPin) > 50)
goto savenresult; // - Voltage at the High pin (more assumed a2) measure; if too highly: Device leads now => no triac
PartFound = PART_TRIAC;
PartReady = 1;
goto savenresult;
}
// Test on transistor or MOSFET
tmpval++;
R_DDR |= (1<<tmpval); // Tristate pin (basis) on exit
R_PORT |= (1<<tmpval); // Tristate pin (basis) over R_H on pluses
_delay_ms(50);
adcv[1] = ReadADC(HighPin); // Voltage at the High pin (assumed collector) measure
adcv[2] = ReadADC(TristatePin); // Base voltage measure
if((PartFound == PART_TRANSISTOR) || (PartFound == PART_FET))
PartReady = 1; // examine whether test already times run
hfe[PartReady] = MAX_ADC - adcv[1];
uBE[PartReady] = MAX_ADC - adcv[2];
if(adcv[2] < 500) {
PartFound = PART_TRANSISTOR; // NPN transistor found (basis is " " downward; pulled)
PartMode = PART_MODE_NPN;
} else {
if(adcv[0] < 20) { // - Durchlassspannung in the closed condition small enough? (otherwise D-mode-FETs are falsely recognized as E-mode)
PartFound = PART_FET; // N-channel-MOSFET found (basis/gate is not " " downward; pulled)
PartMode = PART_MODE_N_E_MOS;
tmpval2 = R_DDR; // Gate threshold voltage measure
tmpval=(1<<HighPin);
ADMUX = TristatePin | (1<<REFS0);
gthvoltage = 0;
for(b=0;b<13;b++) {
wdt_reset();
DischargePin(TristatePin,0);
while ((ADC_PIN&tmpval)); // Control rooms, until the MOSFET scolded and on low goes to drain
R_DDR = 0;
R_PORT = 0;
ADCSRA |= (1<<ADSC);
while (ADCSRA&(1<<ADSC));
gthvoltage += ADCW;
R_DDR = tmpval2;
R_PORT = tmpval2;
}
gthvoltage *= 3; // Conversion in mV, together with the division by 8 (with the LCD announcement)
}
}
savenresult:
b = TristatePin;
c = HighPin;
e = LowPin;
}
ADC_DDR = 0x00;
ADC_PORT = 0x00;
// Finished
} else { // Passage
// Test auf Diode
tmpval2 = (2<<(2*HighPin)); // R_H
tmpval = (1<<(2*HighPin)); // R_L
ADC_PORT = 0x00;
ADC_DDR = (1<<LowPin); // Low pin to ground, High pin still is over R_L on Vcc
DischargePin(TristatePin,1); // Unloaded for P-channel-MOSFET
_delay_ms(5);
adcv[0] = ReadADC(HighPin) - ReadADC(LowPin);
R_DDR = tmpval2; // High pin over R_H on pluses
R_PORT = tmpval2;
_delay_ms(5);
adcv[2] = ReadADC(HighPin) - ReadADC(LowPin);
R_DDR = tmpval; // High pin over R_L on pluses
R_PORT = tmpval;
DischargePin(TristatePin,0); // Unloaded for N-channel-MOSFET
_delay_ms(5);
adcv[1] = ReadADC(HighPin) - ReadADC(LowPin);
R_DDR = tmpval2; // High pin over R_H on pluses
R_PORT = tmpval2;
_delay_ms(5);
adcv[3] = ReadADC(HighPin) - ReadADC(LowPin);
/* Without unloading it can come to wrong identifications, since the gate of a MOSFETs can be still loaded.
The additional measurement with " großen" R_H resisted is accomplished, around antiparallel diodes of
Resistances differentiate to be able.
A diode has a Durchlassspg relatively independent of the passage stream.
With a resistance the voltage drop changes strongly (linear) with the river.
*/
if(adcv[0] > adcv[1]) {
adcv[1] = adcv[0]; // the higher value wins
adcv[3] = adcv[2];
}
if((adcv[1] > 30) && (adcv[1] < 950)) { // Voltage is over 0,15V and under 4,64V => Ok one
if((PartFound == PART_NONE) || (PartFound == PART_RESISTOR))
PartFound = PART_DIODE; // Diode by default.
// Otherwise there would be problems with transistors with protection diode
diodes[NumOfDiodes].Anode = HighPin;
diodes[NumOfDiodes].Cathode = LowPin;
diodes[NumOfDiodes].Voltage = (adcv[1]*54/11); // - Multiply by approx 4,9, in order to receive from the ADC the Voltage in millivolts
NumOfDiodes++;
for(uint8_t i=0;i<NumOfDiodes;i++) {
if((diodes[i].Anode == LowPin) && (diodes[i].Cathode == HighPin)) { // two antiparallel diodes: Defectively or duo LED
if((adcv[3]*64) < (adcv[1] / 5)) { // Durchlassspannung falls with smaller test stream strongly off => Defectively
if(i<NumOfDiodes) {
for(uint8_t j=i;j<(NumOfDiodes-1);j++) {diodes[j].Anode = diodes[j+1].Anode;\
diodes[j].Cathode = diodes[j+1].Cathode;\
diodes[j].Voltage = diodes[j+1].Voltage;
}
}
NumOfDiodes -= 2;
}
}
}
}
}
// Test on resistance
tmpval2 = (2<<(2*HighPin)); // R_H
tmpval = (1<<(2*HighPin)); // R_L
ADC_PORT = 0x00;
ADC_DDR = (1<<LowPin); // Low pin to ground
R_DDR = tmpval; // High pin over R_L on pluses
R_PORT = tmpval;
adcv[2] = ReadADC(LowPin);
adcv[0] = ReadADC(HighPin) - adcv[2];
R_DDR = tmpval2; // High pin over R_H on pluses
R_PORT = tmpval2;
adcv[3] = ReadADC(LowPin);
adcv[1] = ReadADC(HighPin) - adcv[3];
// Measurement of the voltage difference between the positive terminal of R_L and R_H and Vcc
tmpval2 = (2<<(2*LowPin)); // R_H
tmpval = (1<<(2*LowPin)); // R_L
ADC_DDR = (1<<HighPin); // High pin on exit
ADC_PORT = (1<<HighPin); // High pin firmly on pluses
R_PORT = 0;
R_DDR = tmpval; // Low pin over R_L to ground
adcv[2] += (MAX_ADC - ReadADC(HighPin));
R_DDR = tmpval2; // Low pin over R_H to ground
adcv[3] += (MAX_ADC - ReadADC(HighPin));
if(((adcv[0] - adcv[2]) < 900) && ((adcv[1] - adcv[3]) > 20)) goto testend; // Voltage drops with small test stream not far enough
if(((adcv[1] * 32) / 31) < adcv[0]) { // - Sloping Voltage does not drop with smaller test stream strongly and it exists " Almost Kurzschluss" => Resistance
if((PartFound == PART_DIODE) || (PartFound == PART_NONE) || (PartFound == PART_RESISTOR)) {
if((tmpPartFound == PART_RESISTOR) && (ra == LowPin) && (rb == HighPin)) {
/* The Device was tested already once with reverse polarity. Now compare both results with one another.
If they are quite similar, it concerns (in all probability) a resistance.
*/
if(!((((adcv[0] + 100) * 6) >= ((rv[0] + 100) * 5)) && \
(((rv[0] + 100) * 6) >= ((adcv[0] + 100) * 5)) && \
(((adcv[1] + 100) * 6) >= ((rv[1] + 100) * 5)) && \
(((rv[1] + 100) * 6) >= ((adcv[1] + 100) * 5)))) { // min. 20% deviation => no resistance
tmpPartFound = PART_NONE;
goto testend;
}
PartFound = PART_RESISTOR;
}
rv[0] = adcv[0];
rv[1] = adcv[1];
radcmax[0] = MAX_ADC - adcv[2]; // - V at the Low pin is not completely zero, but approximately 0,1V (however one measures).
radcmax[1] = MAX_ADC - adcv[3];
ra = HighPin;
rb = LowPin;
tmpPartFound = PART_RESISTOR;
}
}
testend:
ADC_DDR = 0x00;
ADC_PORT = 0x00;
R_DDR = 0;
R_PORT = 0;
} // End of CheckPins()
void checkpins(u8 HighPin, u8 LowPin, u8 TristatePin){
u16 InitialADC, HighPinADC,TristatePinADC, LowPinADC;
//LowPin 680ohm R to ground
R_680(LowPin, LOW);
//HighPin to output/high
R_0(HighPin, HIGH);
Delay_MS(5);
DischargePin(TristatePin, LOW); //for MOSFETs
//Read ADC on LowPin
InitialADC=ReadADC(LowPin);
//if ADC >= 200{ //discharge other way for P MOSFETs
//discharge;
//read ADC again;
//}
//if(ADC>19) {
// N-JFET, N-MOSFET
//P-JFET P-MOSFET
//}
//reset pins
//LowPin 680ohm R to ground
R_680(LowPin, LOW);
//HighPin to output/high
R_0(HighPin, HIGH);
if(InitialADC<200){
/****************************************/
//
// PNP tests
// If this PNP:
// then collector should be high when base ground and emitter at +5
//
/*****************************************/
//C, B low through 680R, E high
R_680(TristatePin, LOW); //base to ground through 680R
Delay_MS(2);
//read LowPin ADC
//PNP allows current from Emitter to Collector and should be high
LowPinADC=ReadADC(LowPin);
if(LowPinADC>700){//PHP active, current flowing to Emitter
HiZ(TristatePin);//Base HiZ
R_470K(TristatePin, LOW); //Base to 470K low
Delay_MS(10);
//read LowPin ADC for hfe
LowPinADC=ReadADC(LowPin);
//read TristatePin ADC, see if base is transistor (>2volts) or FET (<2volts)
//save value for uBE too
TristatePinADC=ReadADC(TristatePin);
if((PartType==PART_TRANSISTOR) || (PartType==PART_FET))RepeatDetect=1;
hfe[RepeatDetect]=LowPinADC;
vBE[RepeatDetect]=TristatePinADC;
//if(PartFound != PART_THYRISTOR) {
if(TristatePinADC>200){ //high base voltage is transistor
//PNP transistor found
PartType=PART_TRANSISTOR;
PartMode=PART_MODE_PNP;
}else{ //low base voltage is MOSFET
//MOSFET and tests
PartType=PART_FET;
PartMode=PART_MODE_PNP;
}
c=LowPin;
e=HighPin;
b=TristatePin;
}
/****************************************/
//
// NPN tests
// If this NPN:
// then collector should hold pullup low when base high and emitter to ground
//
/*****************************************/
//B,C high through pullup, E low
//LowPin ground
R_0(LowPin, LOW);
//HighPin and TristatePin 680R high
R_680(HighPin, HIGH);
R_680(TristatePin, HIGH);
//read HighPin ADC to see if NPN holds the 680R pullup low...
HighPinADC=ReadADC(HighPin);
if(HighPinADC<500){//NPN grounds the weak pullup
//THYRISTOR test
/***************************************/
// Transistor or MOSFET test
// Transistor is current controlled, the base voltage after the resistor will be ~0.6-1volts
// MOSFET is voltage controlled, the base voltage after the resistor will be close to the supply (5volts)
/***************************************/
//TristatePin 470K high
R_470K(TristatePin, HIGH);
//read HighPin ADC for hfe
HighPinADC=ReadADC(HighPin);
//read TristatePin ADC, see if base is transistor (<2volts) or FET (>2volts)
//save value for uBE too
TristatePinADC=ReadADC(TristatePin);
if((PartType==PART_TRANSISTOR) || (PartType==PART_FET))RepeatDetect=1;
hfe[RepeatDetect]=1023-HighPinADC;
vBE[RepeatDetect]=1023-TristatePinADC;
if(TristatePinADC<500){ //low base voltage is transistor
//NPN transistor found
PartType=PART_TRANSISTOR;
PartMode=PART_MODE_NPN;
}else{ //high base voltage is MOSFET
//MOSFET and tests
PartType=PART_FET;
PartMode=PART_MODE_NPN;
c=((1<<HighPin)<<3);
DischargePin(TristatePin, LOW); //for MOSFETs
R_470K(TristatePin, HIGH);
while(R0_IN&c);
gthvoltage=ReadADC(TristatePin);
}
c=HighPin;
e=LowPin;
b=TristatePin;
}//adc<500
}//adc < 200
//NON transistor tests
//Diode and internal part diodes
/*
//Resistors
//LowPin ground
R_0(LowPin, LOW);
//HighPin 680 high
R_680(HighPin, HIGH);
LowPinADC1=ReadADC(LowPin);
HighPinADC1=ReadADC(HighPin)-LowPinADC1;
//HighPin 470K high
R_470K(HighPin, HIGH);
LowPinADC2=ReadADC(LowPin);
HighPinADC2=ReadADC(HighPin)-LowPinADC2;
//LowPin 680 ground
R_680(LowPin, LOW);
//highpin to Vcc
R_0(HighPin, HIGH);
LowPinADC1+=(1023-ReadADC(HighPin));
//LowPin 470K ground
R_470K(HighPin, HIGH);
LowPinADC2+=(1023-ReadADC(HighPin));
if(((HighPinADC1 - LowPinADC1) < 900) && ((HighPinADC2 - LowPinADC2) > 20)) goto testend; //not a resistor
if(((HighPinADC2 * 32) / 31) < HighPinADC1) {
if((PartFound == PART_DIODE) || (PartFound == PART_NONE) || (PartFound == PART_RESISTOR)) {
if((tmpPartFound == PART_RESISTOR) && (ra == LowPin) && (rb == HighPin)) {
if(!((((adcv[0] + 100) * 6) >= ((rv[0] + 100) * 5)) && (((rv[0] + 100) * 6) >= ((adcv[0] + 100) * 5)) && (((adcv[1] + 100) * 6) >= ((rv[1] + 100) * 5)) && (((rv[1] + 100) * 6) >= ((adcv[1] + 100) * 5)))) {
//min. 20% Abweichung => kein Widerstand
tmpPartFound = PART_NONE;
goto testend;
}
PartFound = PART_RESISTOR;
}
rv[0] = adcv[0];
rv[1] = adcv[1];
radcmax[0] = 1023 - adcv[2]; //Spannung am Low-Pin ist nicht ganz Null, sondern rund 0,1V (wird aber gemessen). Der dadurch entstehende Fehler wird hier kompenisert
radcmax[1] = 1023 - adcv[3];
ra = HighPin;
rb = LowPin;
tmpPartFound = PART_RESISTOR;
}
}
*/
testend:
HiZ(HighPin);
HiZ(LowPin);
HiZ(TristatePin);
}
void ReadCapacity(uint8_t HighPin, uint8_t LowPin) {
if(PartFound == PART_CAPACITOR)
goto end; // Already a condenser found
unsigned long gcval = 0;
unsigned int tmpint = 0;
uint8_t extcnt = 0;
uint8_t tmpx = 0;
tmpval2 = (2<<(2*HighPin)); // R_H
tmpval = (1<<(2*HighPin)); // R_L
ADC_PORT = 0x00;
R_PORT = 0;
R_DDR = 0;
ADC_DDR = (1<<LowPin); // Low pin to ground
R_DDR = tmpval2; // HighPin over R_H to ground
_delay_ms(5);
adcv[0] = ReadADC(HighPin);
DischargePin(HighPin,1);
adcv[2] = ReadADC(HighPin);
_delay_ms(5);
adcv[1] = ReadADC(HighPin);
wdt_reset();
if((adcv[1] > (adcv[0] + 1)) || (adcv[2] > (adcv[0] + 1))) { // Voltage rose
R_DDR = tmpval; // High pin over R_L to gnd
while(ReadADC(HighPin) > (ReadADC(LowPin) + 10)) {
wdt_reset();
tmpint++;
if(tmpint == 0) {
extcnt++;
if(extcnt == 30)
break; // High pin over R_L to gnd
}
}
tmpint = 0;
extcnt = 0;
R_PORT = tmpval; // High pin over R_L on pluses
_delay_ms(5);
adcv[2] = ReadADC(HighPin);
_delay_ms(80);
adcv[3] = ReadADC(HighPin);
if((adcv[3] < (adcv[2] + 3)) && (adcv[3] < 850))
goto end; // Voltage is not considerably increasedly => Abort
if((NumOfDiodes > 0) && (adcv[3] > 950) && (PartFound != PART_FET))
goto end; // in all probability (or several) a diode (n) in check direction, which is otherwise falsely recognized as condenser
R_PORT = 0;
while(ReadADC(HighPin) > (ReadADC(LowPin) + 10)) {
wdt_reset();
tmpint++;
if(tmpint == 0) {
extcnt++;
if(extcnt == 30)
break; // Timeout for unloading
}
}
tmpint = 0;
extcnt = 0;
ADC_DDR = 7; // all pins on exit and from gnd
R_PORT = tmpval; // HighPin over R_L on pluses
tmpval=(1<<HighPin);
_delay_ms(2);
ADC_DDR = (1<<LowPin); // Condenser over R_L slowly load
while (!(ADC_PIN & tmpval)) { // Control rooms, until HighPin goes on High; Loop lasts 7 cycles
wdt_reset();
tmpint++;
if(tmpint == 0) {
extcnt++;
if(extcnt == 30)
break; // Timeout for load
}
}
if((extcnt == 0) && (tmpint<256)) { // Low capacity
ADC_DDR = (1<<LowPin);
// with R_H measure again
R_PORT = 0;
tmpint = 0;
extcnt = 0;
while(ReadADC(HighPin) > (ReadADC(LowPin) + 10)) {
wdt_reset();
tmpint++;
if(tmpint == 0) {
extcnt++;
if(extcnt == 30)
break; // Timeout for unloading
}
}
tmpint = 0;
extcnt = 0;
ADC_DDR = 7; // all pins on exit
ADC_PORT = 0x00; // all pins to ground
R_DDR = tmpval2; // HighPin over R_H on exit
R_PORT = tmpval2; // HighPin over R_H on pluses
_delay_ms(2);
if(PartFound == PART_FET)
ADC_DDR = (7 & ~tmpval); // - Condenser over R_H slowly load, free pin (drain) for gate capacity measurement on gnd
else
ADC_DDR = (1<<LowPin); // Condenser over R_H slowly load
while (!(ADC_PIN & tmpval)) { // Control rooms, until HighPin goes on High; Loop lasts 7 cycles
wdt_reset();
tmpint++;
if(tmpint == 0) {
extcnt++;
if(extcnt == 30)
break; // Timeout for capacity measurement
}
}
tmpx = 1;
}
if(tmpx) {
gcval = eeprom_read_word(&H_CAPACITY_FACTOR);
if((extcnt == 0) && (tmpint < 5))
goto end; // Capacity too small
cv = 1;
} else {
gcval = eeprom_read_word(&L_CAPACITY_FACTOR);
cv = 1000;
}
gcval *= (unsigned long)(((unsigned long)extcnt * 65536) + (unsigned long)tmpint); // Unrechnen worth and store
gcval /= 100;
cv *= gcval;
PartFound = PART_CAPACITOR; // Condenser found
ca = HighPin;
cb = LowPin;
// Condenser again unload
tmpint = 0;
extcnt = 0;
R_DDR = (1<<(2*HighPin)); // High pin over R_L to ground
R_PORT = 0;
while(ReadADC(HighPin) > (ReadADC(LowPin) + 10)) {
wdt_reset();
tmpint++;
if(tmpint == 0) {
extcnt++;
if(extcnt == 30) break; // Timeout for unloading
}
}
ADC_DDR = 7; // Timeout for unloading
ADC_PORT = 7;
_delay_ms(10);
// Finished
}
end:
ADC_DDR = 0x00;
ADC_PORT = 0x00;
R_DDR = 0;
R_PORT = 0;
} // End of ReadCapacity()
