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main.c
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/* ************************************************************************
*
* main part
*
* (c) 2012-2018 by Markus Reschke
* based on code from Markus Frejek and Karl-Heinz K�bbeler
*
* ************************************************************************ */
/*
* local constants
*/
/* source management */
#define MAIN_C
/*
* include header files
*/
/* local includes */
#include "config.h" /* global configuration */
#include "common.h" /* common header file */
#include "variables.h" /* global variables */
#include "functions.h" /* external functions */
#include "colors.h" /* color definitions */
/*
* local variables
*/
/* program control */
uint8_t MissedParts; /* counter for failed/missed components */
/* ************************************************************************
* output components and errors
* ************************************************************************ */
/*
* show pinout for semiconductors
*
* required:
* - character for pin A
* - character for pin B
* - character for pin C
*/
void Show_SemiPinout(uint8_t A, uint8_t B, uint8_t C)
{
uint8_t n; /* counter */
uint8_t Char; /* character */
#ifdef SW_PROBE_COLORS
uint16_t Color; /* color value */
Color = UI.PenColor; /* save current color */
#endif
/* display: 123 */
for (n = 0; n <= 2; n++)
{
Display_ProbeNumber(n);
}
/* display: = */
Display_Char('=');
/* display pin IDs */
for (n = 0; n <= 2; n++) /* loop through probe pins */
{
#ifdef SW_PROBE_COLORS
UI.PenColor = ProbeColors[n]; /* set probe color */
#endif
if (n == Semi.A) Char = A; /* probe A - ID A */
else if (n == Semi.B) Char = B; /* probe B - ID B */
else Char = C; /* - ID C */
Display_Char(Char); /* display ID */
}
#ifdef SW_PROBE_COLORS
UI.PenColor = Color; /* restore old color */
#endif
}
/*
* show simple pinout
*
* required:
* - ID: characters for probes 1, 2 and 3
* 0 -> not displayed
*/
void Show_SimplePinout(uint8_t ID_1, uint8_t ID_2, uint8_t ID_3)
{
uint8_t n; /* counter */
unsigned char ID[3]; /* component pin IDs */
#ifdef SW_PROBE_COLORS
uint16_t Color; /* color value */
Color = UI.PenColor; /* save current color */
#endif
/* copy probe pin characters/IDs */
ID[0] = ID_1;
ID[1] = ID_2;
ID[2] = ID_3;
for (n = 0; n <= 2; n++) /* loop through probe pins */
{
if (ID[n] != 0) /* display this one */
{
Display_ProbeNumber(n);
Display_Char(':');
#ifdef SW_PROBE_COLORS
UI.PenColor = ProbeColors[n]; /* set probe color */
#endif
Display_Char(ID[n]);
#ifdef SW_PROBE_COLORS
UI.PenColor = Color; /* restore old color */
#endif
Display_Space();
}
}
}
/*
* show failed test
*/
void Show_Fail(void)
{
/* display info */
Display_EEString(Failed1_str); /* display: No component */
Display_NL_EEString(Failed2_str); /* display: found!*/
MissedParts++; /* increase counter */
}
/*
* show error
*/
void Show_Error()
{
if (Check.Type == TYPE_DISCHARGE) /* discharge failed */
{
Display_EEString(DischargeFailed_str); /* display: Battery? */
/* display probe number and remaining voltage */
Display_NextLine();
Display_ProbeNumber(Check.Probe);
Display_Char(':');
Display_Space();
Display_Value(Check.U, -3, 'V');
}
}
/*
* show single (first) resistor
*
* requires:
* - ID1: pin ID #1 character
* - ID2: pin ID #2 character
*/
void Show_SingleResistor(uint8_t ID1, uint8_t ID2)
{
Resistor_Type *Resistor; /* pointer to resistor */
Resistor = &Resistors[0]; /* pointer to first resistor */
/* show pinout */
Display_Char(ID1);
Display_EEString(Resistor_str);
Display_Char(ID2);
/* show resistance value */
Display_Space();
Display_Value(Resistor->Value, Resistor->Scale, LCD_CHAR_OMEGA);
}
/*
* show resistor(s)
*/
void Show_Resistor(void)
{
Resistor_Type *R1; /* pointer to resistor #1 */
Resistor_Type *R2; /* pointer to resistor #2 */
uint8_t Pin; /* ID of common pin */
R1 = &Resistors[0]; /* pointer to first resistor */
if (Check.Resistors == 1) /* single resistor */
{
R2 = NULL; /* disable second resistor */
Pin = R1->A; /* make B the first pin */
}
else /* multiple resistors */
{
R2 = R1;
R2++; /* pointer to second resistor */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Quantity = 2; /* got two */
#endif
if (Check.Resistors == 3) /* three resistors */
{
Resistor_Type *Rmax; /* pointer to largest resistor */
/*
* 3 resistors mean 2 single resistors and both resistors in series.
* So we have to single out that series resistor by finding the
* largest resistor.
*/
Rmax = R1; /* starting point */
for (Pin = 1; Pin <= 2; Pin++)
{
if (CmpValue(R2->Value, R2->Scale, Rmax->Value, Rmax->Scale) == 1)
{
Rmax = R2; /* update largest one */
}
R2++; /* next one */
}
/* get the two smaller resistors */
if (R1 == Rmax) R1++;
R2 = R1;
R2++;
if (R2 == Rmax) R2++;
}
/* find common pin of both resistors */
if ((R1->A == R2->A) || (R1->A == R2->B)) Pin = R1->A;
else Pin = R1->B;
}
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Comp1 = (void *)R1; /* first resistor */
Info.Comp2 = (void *)R2; /* second resistor */
#endif
/*
* display the pins
*/
/* first resistor */
if (R1->A != Pin) Display_ProbeNumber(R1->A);
else Display_ProbeNumber(R1->B);
Display_EEString(Resistor_str);
Display_ProbeNumber(Pin);
if (R2) /* second resistor */
{
Display_EEString(Resistor_str);
if (R2->A != Pin) Display_ProbeNumber(R2->A);
else Display_ProbeNumber(R2->B);
}
/*
* display the values
*/
/* first resistor */
Display_NextLine();
Display_Value(R1->Value, R1->Scale, LCD_CHAR_OMEGA);
if (R2) /* second resistor */
{
Display_Space();
Display_Value(R2->Value, R2->Scale, LCD_CHAR_OMEGA);
}
#ifdef SW_INDUCTOR
else /* single resistor */
{
/* get inductance and display if relevant */
if (MeasureInductor(R1) == 1)
{
Display_Space();
Display_Value(Inductor.Value, Inductor.Scale, 'H');
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_R_L; /* inductance measured */
#endif
}
}
#endif
}
/*
* show capacitor
*/
void Show_Capacitor(void)
{
Capacitor_Type *MaxCap; /* pointer to largest cap */
Capacitor_Type *Cap; /* pointer to cap */
#if defined (SW_ESR) || defined (SW_OLD_ESR)
uint16_t ESR; /* ESR (in 0.01 Ohms) */
#endif
uint8_t Counter; /* loop counter */
/* find largest cap */
MaxCap = &Caps[0]; /* pointer to first cap */
Cap = MaxCap;
for (Counter = 1; Counter <= 2; Counter++)
{
Cap++; /* next cap */
if (CmpValue(Cap->Value, Cap->Scale, MaxCap->Value, MaxCap->Scale) == 1)
{
MaxCap = Cap;
}
}
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Comp1 = (void *)MaxCap; /* largest cap */
#endif
/* display pinout */
Display_ProbeNumber(MaxCap->A); /* display pin #1 */
Display_EEString(Cap_str); /* display capacitor symbol */
Display_ProbeNumber(MaxCap->B); /* display pin #2 */
/* show capacitance */
Display_NextLine(); /* move to next line */
Display_Value(MaxCap->Value, MaxCap->Scale, 'F');
#if defined (SW_ESR) || defined (SW_OLD_ESR)
/* show ESR */
ESR = MeasureESR(MaxCap); /* measure ESR */
if (ESR < UINT16_MAX) /* if successfull */
{
Display_Space();
Display_Value(ESR, -2, LCD_CHAR_OMEGA); /* display ESR */
}
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Val1 = ESR; /* copy ESR */
#endif
#endif
/* show discharge leakage current */
if (MaxCap->I_leak > 0)
{
Display_NL_EEString_Space(I_leak_str);
Display_Value(MaxCap->I_leak, -8, 'A'); /* in 10nA */
}
}
/*
* show current (leakage or whatever) of semiconductor
*/
void Show_SemiCurrent(const unsigned char *String)
{
if (CmpValue(Semi.I_value, Semi.I_scale, 50, -9) >= 0) /* show if >=50nA */
{
Display_NL_EEString_Space(String); /* display: <string> */
Display_Value(Semi.I_value, Semi.I_scale, 'A'); /* display current */
}
}
#ifndef UI_SERIAL_COMMANDS
/*
* display capacitance of a diode
*
* requires:
* - pointer to diode structure
*/
void Show_Diode_Cap(Diode_Type *Diode)
{
/* get capacitance (reversed direction) */
MeasureCap(Diode->C, Diode->A, 0);
/* and show capacitance */
Display_Value(Caps[0].Value, Caps[0].Scale, 'F');
}
#endif
/*
* show diode
*/
void Show_Diode(void)
{
Diode_Type *D1; /* pointer to diode #1 */
Diode_Type *D2 = NULL; /* pointer to diode #2 */
uint8_t CapFlag = 1; /* flag for capacitance output */
uint8_t A = 5; /* ID of common anode */
uint8_t C = 5; /* ID of common cothode */
uint8_t R_Pin1 = 5; /* B_E resistor's pin #1 */
uint8_t R_Pin2 = 5; /* B_E resistor's pin #2 */
uint8_t n; /* counter */
uint8_t m; /* counter */
D1 = &Diodes[0]; /* pointer to first diode */
/*
* figure out which diodes to display
*/
if (Check.Diodes == 1) /* single diode */
{
C = D1->C; /* make cathode first pin */
}
else if (Check.Diodes == 2) /* two diodes */
{
D2 = D1;
D2++; /* pointer to second diode */
if (D1->A == D2->A) /* common anode */
{
A = D1->A; /* save common anode */
/* possible PNP BJT with low value B-E resistor and flyback diode */
R_Pin1 = D1->C;
R_Pin2 = D2->C;
}
else if (D1->C == D2->C) /* common cathode */
{
C = D1->C; /* save common cathode */
/* possible NPN BJT with low value B-E resistor and flyback diode */
R_Pin1 = D1->A;
R_Pin2 = D2->A;
}
else if ((D1->A == D2->C) && (D1->C == D2->A)) /* anti-parallel */
{
A = D1->A; /* anode and cathode */
C = A; /* are the same */
CapFlag = 0; /* skip capacitance */
}
}
else if (Check.Diodes == 3) /* three diodes */
{
/*
* Two diodes in series are detected as a virtual third diode:
* - Check for any possible way the 2 diodes could be connected in series.
* - Only once the cathode of diode #1 matches the anode of diode #2.
*/
for (n = 0; n <= 2; n++) /* loop for first diode */
{
D1 = &Diodes[n]; /* get pointer of first diode */
for (m = 0; m <= 2; m++) /* loop for second diode */
{
D2 = &Diodes[m]; /* get pointer of second diode */
if (n != m) /* don't check same diode :-) */
{
if (D1->C == D2->A) /* got match */
{
n = 5; /* end loops */
m = 5;
}
}
}
}
if (n < 5) D2 = NULL; /* no match found */
C = D1->C; /* cathode of first diode */
A = 3; /* in series mode */
}
else /* too much diodes */
{
Display_EEString(Diode_AC_str); /* display: -|>|- */
Display_Space(); /* display space */
Display_Char(Check.Diodes + '0'); /* display number of diodes found */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Quantity = Check.Diodes; /* set quantity */
#endif
return;
}
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Comp1 = (void *)D1; /* first diode */
Info.Comp2 = (void *)D2; /* second diode */
#endif
/*
* display pins
*/
/* first diode */
if (A < 3) /* common anode: show C first */
{
Display_ProbeNumber(D1->C); /* show C */
Display_EEString(Diode_CA_str); /* show -|<- */
Display_ProbeNumber(A); /* show A */
}
else /* common cathode: show A first */
{
Display_ProbeNumber(D1->A); /* show A */
Display_EEString(Diode_AC_str); /* show ->|- */
Display_ProbeNumber(C); /* show C */
}
if (D2) /* second diode */
{
if (A <= 3) /* common anode or in-series */
{
Display_EEString(Diode_AC_str); /* show ->|- */
}
else /* common cathode */
{
Display_EEString(Diode_CA_str); /* show -|<- */
}
if (A == C) /* anti parallel */
{
n = D2->A; /* get anode */
}
else if (A <= 3) /* common anode or in-series */
{
n = D2->C; /* get cathode */
}
else /* common cathode */
{
n = D2->A; /* get anode */
}
Display_ProbeNumber(n); /* display pin */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Quantity = 2; /* got two */
#endif
}
/* check for B-E resistor of possible BJT */
if (R_Pin1 < 5) /* possible BJT */
{
/* B-E resistor below 25kOhms */
if (CheckSingleResistor(R_Pin1, R_Pin2, 25) == 1)
{
/* show: PNP/NPN? */
Display_Space();
if (A < 3) /* PNP */
{
Display_EEString(PNP_str);
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_D_R_BE | INFO_D_BJT_PNP; /* R_BE & PNP */
#endif
}
else /* NPN */
{
Display_EEString(NPN_str);
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_D_R_BE | INFO_D_BJT_NPN; /* R_BE & NPN */
#endif
}
Display_Char('?');
Display_NextLine(); /* move to line #2 */
R_Pin1 += '1'; /* convert pin ID to character */
R_Pin2 += '1';
Show_SingleResistor(R_Pin1, R_Pin2); /* show resistor */
CapFlag = 0; /* skip capacitance */
}
}
/*
* display:
* - Uf (forward voltage)
* - reverse leakage current (for single diodes)
* - capacitance (not for anti-parallel diodes)
*/
/* display Uf */
Display_NL_EEString_Space(Vf_str); /* display: Vf */
/* first diode */
Display_Value(D1->V_f, -3, 'V'); /* in mV */
Display_Space();
/* display low current Uf and reverse leakage current for a single diode */
if (D2 == NULL) /* single diode */
{
/* display low current Uf if it's quite low (Ge/Schottky diode) */
if (D1->V_f2 < 250) /* < 250mV */
{
Display_Char('(');
Display_Value(D1->V_f2, 0, 0); /* no unit */
Display_Char(')');
}
/* reverse leakage current */
UpdateProbes(D1->C, D1->A, 0); /* reverse diode */
GetLeakageCurrent(1); /* get current */
Show_SemiCurrent(I_R_str); /* display I_R */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_D_I_R; /* measured I_R */
#endif
}
else /* two diodes */
{
/* show Uf of second diode */
Display_Value(D2->V_f, -3, 'V');
}
/* display capacitance */
if (CapFlag == 1) /* if feasable */
{
Display_NL_EEString_Space(DiodeCap_str); /* display: C */
#ifndef UI_SERIAL_COMMANDS
/* first diode */
Show_Diode_Cap(D1); /* measure & show capacitance */
if (D2) /* second diode */
{
Display_Space();
Show_Diode_Cap(D2); /* measure & show capacitance */
}
#endif
#ifdef UI_SERIAL_COMMANDS
/* first diode */
MeasureCap(D1->C, D1->A, 0); /* get capacitance (reversed direction) */
Display_Value(Caps[0].Value, Caps[0].Scale, 'F');
if (D2) /* second diode */
{
Display_Space();
MeasureCap(D2->C, D2->A, 1); /* get capacitance (reversed direction) */
Display_Value(Caps[1].Value, Caps[1].Scale, 'F');
}
#endif
}
}
/*
* show BJT
*/
void Show_BJT(void)
{
Diode_Type *Diode; /* pointer to diode */
unsigned char *String; /* string pointer (EEPROM) */
uint8_t Char; /* character */
uint8_t BE_A; /* V_BE: pin acting as anode */
uint8_t BE_C; /* V_BE: pin acting as cathode */
uint8_t CE_A; /* flyback diode: pin acting as anode */
uint8_t CE_C; /* flyback diode: pin acting as cathode */
uint16_t V_BE; /* V_BE */
int16_t Slope; /* slope of forward voltage */
/*
* Mapping for Semi structure:
* A - Base pin
* B - Collector pin
* C - Emitter pin
* U_1 - U_BE (mV) (not yet)
* F_1 - hFE
* I_value/I_scale - I_CEO
*/
/* preset stuff based on BJT type */
if (Check.Type & TYPE_NPN) /* NPN */
{
String = (unsigned char *)NPN_str; /* "NPN" */
/* direction of B-E diode: B -> E */
BE_A = Semi.A; /* anode at base */
BE_C = Semi.C; /* cathode at emitter */
/* direction of optional flyback diode */
CE_A = Semi.C; /* anode at emitter */
CE_C = Semi.B; /* cathode at collector */
Char = LCD_CHAR_DIODE_CA; /* |<| */
}
else /* PNP */
{
String = (unsigned char *)PNP_str; /* "PNP" */
/* direction of B-E diode: E -> B */
BE_A = Semi.C; /* anode at emitter */
BE_C = Semi.A; /* cathode at base */
/* direction of optional flyback diode */
CE_A = Semi.B; /* anode at collector */
CE_C = Semi.C; /* cathode at emitter */
Char = LCD_CHAR_DIODE_AC; /* |>| */
}
/* display type */
Display_EEString_Space(BJT_str); /* display: BJT */
Display_EEString(String); /* display: NPN / PNP */
/* parasitic BJT (freewheeling diode on same substrate) */
if (Check.Type & TYPE_PARASITIC)
{
Display_Char('+');
}
Display_NextLine(); /* next line (#2) */
/* display pinout */
Show_SemiPinout('B', 'C', 'E');
/* optional freewheeling diode */
Diode = SearchDiode(CE_A, CE_C); /* search for matching diode */
if (Diode != NULL) /* got it */
{
Display_Space(); /* display space */
Display_Char('C'); /* collector */
Display_Char(Char); /* display diode symbol */
Display_Char('E'); /* emitter */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_BJT_D_FB; /* found flyback diode */
Info.Comp1 = Diode; /* copy diode */
#endif
}
/*
* display either optional B-E resistor or h_FE & V_BE
*/
/* check for B-E resistor below 25kOhms */
if (CheckSingleResistor(BE_C, BE_A, 25) == 1) /* found B-E resistor */
{
Display_NextLine(); /* next line (#3) */
Show_SingleResistor('B', 'E');
/* B-E resistor renders hFE and V_BE measurements useless */
#ifdef SW_SYMBOLS
UI.SymbolLine = 4; /* display fancy pinout in line #4 */
#endif
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_BJT_R_BE; /* R_BE */
#endif
}
else /* no B-E resistor found */
{
/* h_FE and V_BE */
/* display h_FE */
Display_NL_EEString_Space(h_FE_str); /* display: hFE */
Display_Value(Semi.F_1, 0, 0); /* display h_FE */
/* display V_BE (taken from diode's forward voltage) */
Diode = SearchDiode(BE_A, BE_C); /* search for matching B-E diode */
if (Diode != NULL) /* got it */
{
Display_NL_EEString_Space(V_BE_str); /* display: Vbe */
/*
* V_f is quite linear for a logarithmicly scaled I_b.
* So we may interpolate the V_f values of low and high test current
* measurements for a virtual test current. Low test current is 10�A
* and high test current is 7mA. That's a logarithmic scale of
* 3 decades.
*/
/* calculate slope for one decade */
Slope = Diode->V_f - Diode->V_f2;
Slope /= 3;
/* select V_BE based on hFE */
if (Semi.F_1 < 100) /* low h_FE */
{
/*
* BJTs with low hFE are power transistors and need a large I_b
* to drive the load. So we simply take Vf of the high test current
* measurement (7mA).
*/
V_BE = Diode->V_f;
}
else if (Semi.F_1 < 250) /* mid-range h_FE */
{
/*
* BJTs with a mid-range hFE are signal transistors and need
* a small I_b to drive the load. So we interpolate Vf for
* a virtual test current of about 1mA.
*/
V_BE = Diode->V_f - Slope;
}
else /* high h_FE */
{
/*
* BJTs with a high hFE are small signal transistors and need
* only a very small I_b to drive the load. So we interpolate Vf
* for a virtual test current of about 0.1mA.
*/
V_BE = Diode->V_f2 + Slope;
}
Display_Value(V_BE, -3, 'V'); /* in mV */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Val1 = V_BE; /* copy V_BE */
#endif
}
}
/* I_CEO: collector emitter open current (leakage) */
Show_SemiCurrent(I_CEO_str); /* display I_CEO */
}
/*
* show MOSFET/IGBT extras
* - diode
* - V_th
* - Cgs
*/
void Show_FET_Extras(void)
{
Diode_Type *Diode; /* pointer to diode */
uint8_t Anode; /* anode of diode */
uint8_t Cathode; /* cathode of diode */
uint8_t Char_1; /* pin name */
uint8_t Char_2; /* pin name */
uint8_t Symbol; /* diode symbol */
/*
* Mapping for Semi structure:
* A - Gate pin
* B - Drain pin
* C - Source pin
* U_1 - R_DS_on (0.01 Ohms)
* U_2 - V_th (mV)
*/
/*
* show instrinsic/freewheeling diode
*/
if (Check.Type & TYPE_N_CHANNEL) /* n-channel/NPN */
{
Anode = Semi.C; /* source/emitter */
Cathode = Semi.B; /* drain/collector */
Symbol = LCD_CHAR_DIODE_CA; /* |<| */
}
else /* p-channel/PNP */
{
Anode = Semi.B; /* drain/collector */
Cathode = Semi.C; /* source/emitter */
Symbol = LCD_CHAR_DIODE_AC; /* |>| */
}
if (Check.Found == COMP_FET) /* FET */
{
Char_1 = 'D';
Char_2 = 'S';
}
else /* IGBT */
{
Char_1 = 'C';
Char_2 = 'E';
}
/* search for matching diode */
Diode = SearchDiode(Anode, Cathode);
if (Diode != NULL) /* got it */
{
/* show diode */
Display_Space(); /* space */
Display_Char(Char_1); /* left pin name */
Display_Char(Symbol); /* diode symbol */
Display_Char(Char_2); /* right pin name */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_FET_D_FB; /* found flyback diode */
Info.Comp1 = Diode; /* copy diode */
#endif
}
/* skip remaining stuff for depletion-mode FETs/IGBTs */
if (Check.Type & TYPE_DEPLETION) return;
/* gate threshold voltage V_th */
if (Semi.U_2 != 0)
{
Display_NL_EEString_Space(Vth_str); /* display: Vth */
Display_SignedValue(Semi.U_2, -3, 'V'); /* display V_th in mV */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_FET_V_TH; /* measured Vth */
#endif
}
/* display gate-source capacitance C_GS */
/* todo: display "Cge" for IGBT? */
Display_NL_EEString_Space(Cgs_str); /* display: Cgs */
Display_Value(Semi.C_value, Semi.C_scale, 'F'); /* display value and unit */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_FET_C_GS; /* measured C_GS */
#endif
/* display R_DS_on, if available */
if (Semi.U_1 > 0)
{
Display_NL_EEString_Space(R_DS_str); /* display: Rds */
Display_Value(Semi.U_1, -2, LCD_CHAR_OMEGA); /* display value */
#ifdef UI_SERIAL_COMMANDS
/* set data for remote commands */
Info.Flags |= INFO_FET_R_DS; /* measured R_DS */
#endif
}
/* display V_f of diode, if available */
if (Diode != NULL)
{
Display_NL_EEString_Space(Vf_str); /* display: Vf */
Display_Value(Diode->V_f, -3, 'V'); /* display value */
}
}
/*
* show FET/IGBT channel type
*/
void Show_FET_Channel(void)
{
Display_Space(); /* display space */
/* channel type */
if (Check.Type & TYPE_N_CHANNEL) /* n-channel */
{
Display_Char('N'); /* display: N */
}
else /* p-channel */
{
Display_Char('P'); /* display: P */
}
Display_EEString(Channel_str); /* display: -ch */