void show_Cap13(void) {
uint8_t key_pressed;
// lcd_clear();
#ifdef POWER_OFF
uint8_t times;
for (times=0;times<250;)
#else
while (1) /* wait endless without the POWER_OFF option */
#endif
{
init_parts(); // set all parts to nothing found
// cap.v_loss = 0; // clear vloss for low capacity values (<25pF)!
ReadCapacity(TP3, TP1);
PartFound = PART_CAPACITOR;
#ifdef SamplingADC
if (cap.cpre==-12 && cap.cval<100) {
// if below 100 pF, try the alternative measuring method for small capacitors
cap.cval = sampling_cap(TP3,TP1,0);
cap.cpre = sampling_cap_pre;
}
#endif
if (cap.cpre > -15) { /* Capacity below the detection limit */
cap.cpre_max = cap.cpre; // show_cap will display the cap.cval_max value
cap.cval_max = cap.cval;
show_cap(1); // with [C] at the end of line
} else { /* no cap detected */
lcd_line1();
lcd_MEM2_string(CAP_13_str); // 1-||-3
lcd_spaces(LCD_LINE_LENGTH - 3 - _lcd_column);
lcd_MEM2_string(CMETER_13_str); // "[C]" at the end of line 1
lcd_line2();
lcd_data('?');
lcd_clear_line(); // clear to end of line 2
#if (LCD_LINES > 2)
lcd_line3();
lcd_clear_line(); // clear old Vloss= message
#endif
}
#if defined(POWER_OFF) && defined(BAT_CHECK)
Bat_update(times);
#endif
key_pressed = wait_for_key_ms(SCREEN_TIME);
#ifdef WITH_ROTARY_SWITCH
if ((key_pressed != 0) || (rotary.incre > 3)) break;
#else
if (key_pressed != 0) break;
#endif
#if defined(POWER_OFF)
times = Pwr_mode_check(times); // no time limit with DC_Pwr_mode
#endif
} /* end for times */
lcd_clear(); // clear to end of line
} /* end show_Cap13() */
uint8_t function_menu() {
uint8_t func_number;
display_menu();
func_number = read_menu();
if (func_number == 0) {
return 0;
} else {
do_menu(func_number);
lcd_MEM2_string(Done_str); // "Done.\n"
lcd_refresh();
return 1;
}
}
/* ****************************************************************** */
void show_C_ESR() {
uint8_t key_pressed;
message_key_released(C_ESR_str);
#ifdef POWER_OFF
uint8_t times;
for (times=0;times<250;times++)
#else
while (1) /* wait endless without the POWER_OFF option */
#endif
{
PartFound = PART_NONE;
ReadBigCap(TP3,TP1);
if (PartFound == PART_CAPACITOR) {
lcd_line1(); // clear old capacity value
lcd_clear_line();
lcd_line1();
lcd_data('C');
lcd_data('=');
DisplayValue(cap.cval_max,cap.cpre_max,'F',3);
cap.esr = GetESR(cap.cb,cap.ca);
lcd_line2(); // clear old ESR value
lcd_clear_line();
lcd_line2();
lcd_MEM_string(&ESR_str[1]);
if (cap.esr < 65530) {
DisplayValue(cap.esr,-2,LCD_CHAR_OMEGA,2);
} else {
lcd_data('?'); // too big
}
} else {
lcd_clear();
lcd_MEM2_string(C_ESR_str);
}
key_pressed = wait_for_key_ms(1000);
#ifdef WITH_ROTARY_SWITCH
if ((key_pressed != 0) || (rotary.incre > 3)) break;
#else
if (key_pressed != 0) break;
#endif
} /* end for times */
} /* end show_C_ESR() */
/* *************************************************** */
void make_frequency() {
#define MAX_FREQ_NR 19
uint8_t key_pressed;
uint8_t freq_nr;
uint8_t old_freq;
message_key_released(F_GEN_str); // display f-Generator and wait for key released
// OC1B is connected with 680 Ohm resistor to TP2 (middle test pin)
TCCR1A = (0<<COM1B1) | (1<<COM1B0) | (0<<WGM11) | (0<<WGM10); // CTC mode, count to OCR1A
TIMSK1 = 0; // no interrupt used
OCR1A = 1; // highest frequency
OCR1B = 0; // toggle OC1B at this count
TIFR1 = (1<<OCF1A) | (1<<OCF1A) | (1<<TOV1); // reset interrupt flags
TCCR1C = 0;
TCCR1B = (0<<WGM13) | (1<<WGM12) | (0<<CS12) | (0<<CS11) | (0<<CS10); // set counter mode
R_PORT = 0; // set all resistor port outputs to GND
#if PROCESSOR_TYP == 644
R_DDR = (1<<PIN_RL1) | (1<<PIN_RL2) | (1<<PIN_RL3); // set TP1, DDD4(TP2) and TP3 to output
#else
R_DDR = (1<<PIN_RL1) | (1<<PIN_RL3); // set TP1 and TP3 to output
#endif
ADC_PORT = TXD_VAL;
ADC_DDR = (1<<TP1) | TXD_MSK; //connect TP1 to GND
DDRB |= (1<<DDB2); // set output enable
TCCR1B = (0<<WGM13) | (1<<WGM12) | (0<<CS12) | (0<<CS11) | (1<<CS10); // no clock divide
old_freq = 0;
freq_nr = MAX_FREQ_NR - 1; // start with 1 MHz
#ifdef POWER_OFF
uint8_t new_points; // one point for every 30 seconds wait time
uint8_t shown_points; // one point for every 30 seconds wait time
uint8_t times; // total wait time
shown_points = 0;
for (times=0; times<240; times++)
#else
while (1) /* wait endless without option POWER_OFF */
#endif
{
#define KEYPRESS_LENGTH_10ms 0
#ifdef POWER_OFF
new_points = (times+10) / 30;
if (new_points != shown_points) {
// count of points has changed, build LCD line1 new
lcd_line1();
lcd_clear_line(); // clear line 1
lcd_line1();
lcd_MEM2_string(F_GEN_str); // display f-Generator
shown_points = new_points;
for (new_points=0; new_points<shown_points ;new_points++) {
lcd_data('.'); // show elapsed time, one point is 30 seconds
}
}
#undef KEYPRESS_LENGTH_10ms
#define KEYPRESS_LENGTH_10ms 20 /* change frequency only with >200ms key press */
#endif
if (old_freq != freq_nr) {
// new frequency is selected
if (freq_nr > MAX_FREQ_NR) freq_nr -= (MAX_FREQ_NR + 1);
old_freq = freq_nr; // update the last active frequency number
#ifdef FOUR_LINE_LCD
lcd_line2();
lcd_clear_line(); // clear line 2 for previous frequency
lcd_line2();
lcd_space(); // add a space to row 1 of line2
switch_frequency(freq_nr + MAX_FREQ_NR);
lcd_line4();
lcd_clear_line(); // clear line 4 for next frequency
lcd_line4();
lcd_space(); // add a space to row 1 of line4
switch_frequency(freq_nr + 1);
lcd_line3();
lcd_clear_line(); // clear line 3 for new frequency
lcd_line3();
lcd_data('>');
switch_frequency(freq_nr);
#else
lcd_line2();
lcd_clear_line(); // clear line 2 for next frequency
lcd_line2();
switch_frequency(freq_nr);
#endif
} /* end if (old_freq != freq_nr) */
key_pressed = wait_for_key_ms(1000);
#ifdef POWER_OFF
#ifdef WITH_ROTARY_SWITCH
if ((key_pressed != 0) || (rotary.incre > 0)) times = 0; // reset counter, operator is active
#else
if (key_pressed != 0) times = 0; // reset counter, operator is active
#endif
#endif
#ifdef WITH_ROTARY_SWITCH
if (rotary.incre > FAST_ROTATION) break; // fast rotation ends voltage measurement
if (rotary.count >= 0) {
freq_nr += rotary.count; // increase the frequency number by rotary.count
} else {
freq_nr += (MAX_FREQ_NR + 1 + rotary.count); // decrease the frequency by rotary.count
}
#endif
if (key_pressed > KEYPRESS_LENGTH_10ms) freq_nr++; // longer key press select next frequency
if(key_pressed >= 80) break; // more than 0.8 seconds
} /* end for times */
TCCR1B = 0; // stop counter
TCCR1A = 0; // stop counter
ADC_DDR = TXD_MSK; // disconnect TP1
R_DDR = 0; // switch resistor ports to Input
DDRB &= ~(1<<DDB2); // disable output
} /* end make frequency */
/* ****************************************************************** */
void message2line(uint8_t number) {
if (number > MODE_LAST) number -= (MODE_LAST + 1);
if (number == MODE_TRANS) lcd_MEM2_string(TESTER_str);
if (number == MODE_FREQ) lcd_MEM2_string(FREQ_str);
#if PROCESSOR_TYP == 644
if (number == MODE_HFREQ) lcd_MEM2_string(HFREQ_str);
if (number == MODE_H_CRYSTAL) lcd_MEM2_string(H_CRYSTAL_str);
if (number == MODE_L_CRYSTAL) lcd_MEM2_string(L_CRYSTAL_str);
#endif
if (number == MODE_FGEN) lcd_MEM2_string(F_GEN_str);
if (number == MODE_PWM) lcd_MEM2_string(PWM_10bit_str);
if (number == MODE_ESR) lcd_MEM2_string(C_ESR_str);
if (number == MODE_ROTARY) lcd_MEM2_string(RotaryEncoder_str);
#ifdef WITH_SELFTEST
if (number == MODE_SELFTEST) lcd_MEM2_string(FULLCHECK_str);
#endif
#ifdef WITH_VEXT
if (number == MODE_VEXT) lcd_MEM_string(VOLTAGE_str);
#endif
#if (LCD_ST_TYPE == 7565)
if (number == MODE_CONTRAST) lcd_MEM_string(CONTRAST_str);
#endif
if (number == MODE_SHOW) {
lcd_MEM2_string(SHOW_str);
}
if (number == MODE_OFF) {
lcd_MEM2_string(OFF_str);
}
}
//begin of transistortester program
int main(void) {
uint8_t ii;
unsigned int max_time;
#ifdef SEARCH_PARASITIC
unsigned long n_cval; // capacitor value of NPN B-E diode, for deselecting the parasitic Transistor
int8_t n_cpre; // capacitor prefix of NPN B-E diode
#endif
#ifdef WITH_GRAPHICS
unsigned char options;
#endif
uint8_t vak_diode_nr; // number of the protection diode of BJT
union {
uint16_t pw;
uint8_t pb[2];
} rpins;
uint8_t x, y, z;
//switch on
ON_DDR = (1<<ON_PIN); // switch to output
ON_PORT = (1<<ON_PIN); // switch power on
#ifndef PULLUP_DISABLE
RST_PORT |= (1<<RST_PIN); // enable internal Pullup for Start-Pin
#endif
uint8_t tmp;
//ADC-Init
ADCSRA = (1<<ADEN) | AUTO_CLOCK_DIV; //prescaler=8 or 64 (if 8Mhz clock)
#ifdef __AVR_ATmega8__
// #define WDRF_HOME MCU_STATUS_REG
#define WDRF_HOME MCUCSR
#else
#define WDRF_HOME MCUSR
#if FLASHEND > 0x3fff
// probably was a bootloader active, disable the UART
UCSR0B = 0; // disable UART, if started with bootloader
#endif
#endif
wait500ms();
#if (PROCESSOR_TYP == 644) || (PROCESSOR_TYP == 1280)
#define BAUD_RATE 9600
// UBRR0H = (F_CPU / 16 / BAUD_RATE - 1) >> 8;
// UBRR0L = (F_CPU / 16 / BAUD_RATE - 1) & 0xff;
// UCSR0B = (1<<TXEN0);
// UCSR0C = (1<<USBS0) | (3<<UCSZ00); // 2 stop bits, 8-bit
// while (!(UCSR0A & (1<<UDRE0))) { }; // wait for send data port ready
#ifdef SWUART_INVERT
SERIAL_PORT &= ~(1<<SERIAL_BIT);
#else
SERIAL_PORT |= (1<<SERIAL_BIT);
#endif
SERIAL_DDR |= (1<<SERIAL_BIT);
#endif
tmp = (WDRF_HOME & ((1<<WDRF))); // save Watch Dog Flag
WDRF_HOME &= ~(1<<WDRF); //reset Watch Dog flag
wdt_disable(); // disable Watch Dog
#ifndef INHIBIT_SLEEP_MODE
// switch off unused Parts
#if PROCESSOR_TYP == 644
#ifdef PRUSART1
PRR0 = (1<<PRTWI) | (1<<PRSPI) | (1<<PRUSART1);
#else
PRR0 = (1<<PRTWI) | (1<<PRSPI) ;
#endif
// PRR1 = (1<<PRTIM3) ;
#elif PROCESSOR_TYP == 1280
PRR0 = (1<<PRTWI) | (1<<PRSPI) | (1<<PRUSART1);
PRR1 = (1<<PRTIM5) | (1<<PRTIM4) | (1<<PRTIM3) | (1<<PRUSART3) | (1<<PRUSART2) | (1<<PRUSART3);
#else
PRR = (1<<PRTWI) | (1<<PRSPI) | (1<<PRUSART0);
#endif
// disable digital inputs of Analog pins, but TP1-3 digital inputs must be left enabled for VGS measurement
DIDR0 = ((1<<ADC5D) | (1<<ADC4D) | (1<<ADC3D) | (1<<ADC2D) | (1<<ADC1D) | (1<<ADC0D)) & ~((1<<TP3) | (1<<TP2) | (1<<TP1));
TCCR2A = (0<<WGM21) | (0<<WGM20); // Counter 2 normal mode
TCCR2B = CNTR2_PRESCALER; //prescaler set in autoconf
#endif /* INHIBIT_SLEEP_MODE */
sei(); // enable interrupts
lcd_init(); //initialize LCD
// ADC_PORT = TXD_VAL;
// ADC_DDR = TXD_MSK;
if(tmp) {
// check if Watchdog-Event
// this happens, if the Watchdog is not reset for 2s
// can happen, if any loop in the Program doen't finish.
lcd_line1();
lcd_MEM_string(TestTimedOut); //Output Timeout
wait_about3s(); // time to read the Timeout message
switch_tester_off();
return 0;
}
#ifdef PULLUP_DISABLE
#ifdef __AVR_ATmega8__
SFIOR = (1<<PUD); // disable Pull-Up Resistors mega8
#else
MCUCR = (1<<PUD); // disable Pull-Up Resistors mega168 family
#endif
#endif
//#if POWER_OFF+0 > 1
// tester display time selection
#ifndef USE_EEPROM
EE_check_init(); // init EEprom, if unset
#endif
#ifdef WITH_ROTARY_SWITCH
// rotary_switch_present = eeprom_read_byte(&EE_RotarySwitch);
rotary.ind = ROT_MSK+1; //initilize state history with next call of check_rotary()
#endif
#ifdef WITH_HARDWARE_SERIAL
// ii = 60;
ii = 30;
#else
#if 1
for (ii=0; ii<60; ii++) {
if (RST_PIN_REG & (1 << RST_PIN))
break; // button is released
wait_about10ms();
}
#else
ii = 0;
if (!(RST_PIN_REG & (1<<RST_PIN))) {
// key is still pressed
ii = wait_for_key_ms(700);
}
#endif
display_time = OFF_WAIT_TIME; // LONG_WAIT_TIME for single mode, else SHORT_WAIT_TIME
if (ii > 30) {
display_time = LONG_WAIT_TIME; // ... set long time display anyway
}
#endif // WITH_HARDWARE_SERIAL
#if POWER_OFF+0 > 1
empty_count = 0;
mess_count = 0;
#endif
ADCconfig.RefFlag = 0;
Calibrate_UR(); // get Ref Voltages and Pin resistance
#ifdef WDT_enabled
wdt_enable(WDTO_2S); //Watchdog on
#endif
#ifdef WITH_MENU
if (ii >= 60) {
while(function_menu()); // selection of function
}
#endif
//*****************************************************************
//Entry: if start key is pressed before shut down
loop_start:
#if ((LCD_ST_TYPE == 7565) || (LCD_ST_TYPE == 1306))
lcd_command(CMD_DISPLAY_ON);
lcd_command(CMD_SET_ALLPTS_NORMAL); // 0xa4
#endif
lcd_clear(); // clear the LCD
ADC_DDR = TXD_MSK; // activate Software-UART
init_parts(); // reset parts info to nothing found
Calibrate_UR(); // get Ref Voltages and Pin resistance
lcd_line1(); // Cursor to 1. row, column 1
#ifdef BAT_CHECK
// Battery check is selected
Battery_check();
#else
lcd_MEM_string(VERSION_str); // if no Battery check, Version .. in row 1
#endif /* BAT_CHECK */
// begin tests
#if FLASHEND > 0x1fff
if (WithReference) {
/* 2.5V precision reference is checked OK */
#if POWER_OFF+0 > 1
if ((mess_count == 0) && (empty_count == 0))
#endif
{
/* display VCC= only first time */
lcd_line2();
lcd_MEM_string(VCC_str); // VCC=
Display_mV(ADCconfig.U_AVCC,3); // Display 3 Digits of this mV units
lcd_refresh(); // write the pixels to display, ST7920 only
wait_about1s(); // time to read the VCC= message
}
}
#endif
#ifdef WITH_VEXT
unsigned int Vext;
// show the external voltage
while (!(RST_PIN_REG & (1<<RST_PIN))) {
lcd_clear_line2();
lcd_MEM_string(Vext_str); // Vext=
ADC_DDR = 0; //deactivate Software-UART
Vext = W5msReadADC(TPext); // read external voltage
// ADC_DDR = TXD_MSK; //activate Software-UART
uart_newline(); // MAURO replaced uart_putc(' ') by uart_newline(), 'Z'
#if EXT_NUMERATOR <= (0xffff/U_VCC)
Display_mV(Vext*EXT_NUMERATOR/EXT_DENOMINATOR,3); // Display 3 Digits of this mV units
#else
DisplayValue((unsigned long)Vext*EXT_NUMERATOR/EXT_DENOMINATOR,-3,'V',3); // Display 3 Digits of this mV units
#endif
lcd_refresh(); // write the pixels to display, ST7920 only
wait_about300ms(); // delay to read the Vext= message
}
#endif /* WITH_VEXT */
#ifndef DebugOut
lcd_line2(); //LCD position row 2, column 1
#endif
EntladePins(); // discharge all capacitors!
if(PartFound == PART_CELL) {
lcd_clear();
lcd_MEM_string(Cell_str); // display "Cell!"
#if FLASHEND > 0x3fff
lcd_line2(); // use LCD line 2
Display_mV(cell_mv[0],3);
lcd_space();
Display_mV(cell_mv[1],3);
lcd_space();
Display_mV(cell_mv[2],3);
#endif
#ifdef WITH_SELFTEST
lcd_refresh(); // write the pixels to display, ST7920 only
wait_about2s();
AutoCheck(0x11); // full Selftest with "Short probes" message
#endif
goto tt_end;
}
#ifdef WITH_SELFTEST
#ifdef AUTO_CAL
lcd_cursor_off();
UnCalibrated = (eeprom_read_byte(&c_zero_tab[3]) - eeprom_read_byte(&c_zero_tab[0]));
if (UnCalibrated != 0) {
// if calibrated, both c_zero_tab values are identical! c_zero_tab[3] is not used otherwise
lcd_cursor_on();
}
#endif
#ifdef WITH_MENU
AutoCheck(0x00); //check, if selftest should be done, only calibration
#else
AutoCheck(0x01); //check, if selftest should be done, full selftest without MENU
#endif
#endif
#if FLASHEND > 0x1fff
lcd_clear_line2(); //LCD position row2, column 1
#else
lcd_line2(); //LCD position row2, column 1
#endif
lcd_MEM_string(TestRunning); //String: testing...
lcd_refresh(); // write the pixels to display, ST7920 only
#ifdef WITH_UART
uart_putc(0x03); // ETX, start of new measurement
uart_newline(); // MAURO Added
#endif
//
// check all 6 combinations for the 3 pins
// High Low Tri
CheckPins(TP1, TP2, TP3);
CheckPins(TP2, TP1, TP3);
CheckPins(TP1, TP3, TP2);
CheckPins(TP3, TP1, TP2);
CheckPins(TP2, TP3, TP1);
CheckPins(TP3, TP2, TP1);
// Capacity measurement is only possible correctly with two Pins connected.
// A third connected pin will increase the capacity value!
// if(((PartFound == PART_NONE) || (PartFound == PART_RESISTOR) || (PartFound == PART_DIODE)) ) {
if(PartFound == PART_NONE) {
// If no part is found yet, check separate if is is a capacitor
#ifdef DebugOut
lcd_data('C');
#endif
EntladePins(); // discharge capacities
//measurement of capacities in all 3 combinations
ReadCapacity(TP3, TP1);
#ifdef DebugOut
lcd_data('K');
#endif
#if DebugOut != 10
ReadCapacity(TP3, TP2);
#ifdef DebugOut
lcd_data('K');
#endif
ReadCapacity(TP2, TP1);
#ifdef DebugOut
lcd_data('K');
#endif
#endif
}
#ifdef WITH_UJT
// check for UJT
if (PartFound==PART_DIODE
&& NumOfDiodes==2 // UJT is detected as 2 diodes E-B1 and E-B2...
// && ResistorsFound==1 // ...and a resistor B1-B2
&& diodes.Anode[0]==diodes.Anode[1] // check diodes have common anode
// && (unsigned char)(ResistorList[0]+diodes.Anode[0])==2 // and resistor is between cathodes
)
// note: there also exist CUJTs (complementary UJTs); they seem to be (even) rarer than UJTs, and are not supported for now
{
CheckUJT();
}
#endif /* defined WITH_UJT */
#ifdef WITH_XTAL
if (PartFound==PART_NONE || ((PartFound==PART_CAPACITOR) && (cap.cpre_max == -12))) {
// still not recognized anything? then check for ceramic resonator or crystal
// these tests are time-consuming, so we do them last, and only on TP1/TP3
sampling_test_xtal();
}
#endif
//All checks are done, output result to display
#ifdef DebugOut
// only clear two lines of LCD
lcd_clear_line1();
#else
lcd_clear(); // clear total display
#endif
_trans = &ntrans; // default transistor structure to show
if (PartFound == PART_THYRISTOR) {
#ifdef WITH_GRAPHICS
lcd_big_icon(THYRISTOR|LCD_UPPER_LEFT);
lcd_draw_trans_pins(-8, 16);
lcd_set_cursor(0,TEXT_RIGHT_TO_ICON); // position behind the icon, Line 1
lcd_MEM_string(Thyristor); //"Thyristor"
#else
lcd_MEM_string(Thyristor); //"Thyristor"
PinLayout(Cathode_char,'G','A'); // CGA= or 123=...
#endif
goto TyUfAusgabe;
}
if (PartFound == PART_TRIAC) {
#ifdef WITH_GRAPHICS
lcd_big_icon(TRIAC|LCD_UPPER_LEFT);
lcd_draw_trans_pins(-8, 16);
lcd_set_cursor(0,TEXT_RIGHT_TO_ICON); // position behind the icon, Line 1
lcd_MEM_string(Triac); //"Triac"
#else
lcd_MEM_string(Triac); //"Triac"
PinLayout('1','G','2'); // CGA= or 123=...
#endif
goto TyUfAusgabe;
}
#ifdef WITH_PUT
if (PartFound == PART_PUT) {
static const unsigned char PUT_str[] MEM_TEXT = "PUT";
lcd_MEM_string(PUT_str);
_trans=&ptrans;
PinLayout('A','G',Cathode_char);
goto TyUfAusgabe;
}
#endif
#ifdef WITH_UJT
if (PartFound == PART_UJT) {
static const unsigned char UJT_str[] MEM_TEXT = "UJT";
lcd_MEM_string(UJT_str);
PinLayout('1','E','2');
#ifdef SamplingADC
static const unsigned char eta_str[] MEM_TEXT = " eta=";
lcd_next_line(0);
ResistorChecked[ntrans.e - TP_MIN + ntrans.c - TP_MIN - 1] = 0; // forget last resistance measurement
GetResistance(ntrans.c, ntrans.e); // resistor value is in ResistorVal[resnum]
DisplayValue(ResistorVal[ntrans.e - TP_MIN + ntrans.c - TP_MIN - 1],-1,LCD_CHAR_OMEGA,2);
lcd_MEM_string(eta_str); //"eta="
DisplayValue(ntrans.gthvoltage,0,'%',3);
#else /* ! SamplingADC */
static const unsigned char R12_str[] MEM_TEXT = "R12=";
lcd_next_line(0);
lcd_MEM_string(R12_str); //"R12="
DisplayValue(ResistorVal[ntrans.e - TP_MIN + ntrans.c - TP_MIN - 1],-1,LCD_CHAR_OMEGA,2);
lcd_data(',');
DisplayValue(((RR680PL * (unsigned long)(ADCconfig.U_AVCC - ntrans.uBE)) / ntrans.uBE)-RRpinPL,-1,LCD_CHAR_OMEGA,3);
#endif /* SamplingADC */
goto tt_end;
}
#endif /* WITH_UJT */
if (PartFound == PART_CAPACITOR) {
#if FLASHEND > 0x3fff
if ((cap.ca + cap.cb) == (TP1 + TP3)) {
show_Cap13(); // repeated capacity measurement
goto shut_off; // key was pressed or timeout
}
show_cap(0); // show capacity in normal way and measure additional parameters
#else
show_cap_simple(); // show capacity in normal way and measure additional parameters
#endif
goto tt_end;
} /* end PartFound == PART_CAPACITOR */
#ifdef WITH_XTAL
if (PartFound == PART_CERAMICRESONATOR) {
// static const unsigned char cerres_str[] MEM_TEXT = "Cer.resonator ";
lcd_MEM_string(cerres_str);
if (sampling_measure_xtal()) goto loop_start;
goto tt_end;
}
if (PartFound == PART_XTAL) {
// static const unsigned char xtal_str[] MEM_TEXT = "Crystal ";
lcd_MEM_string(xtal_str);
if (sampling_measure_xtal()) goto loop_start;
goto tt_end;
}
#endif
// ========================================
if(PartFound == PART_DIODE) {
// ========================================
if(NumOfDiodes == 1) { //single Diode
// lcd_MEM_string(Diode); //"Diode: "
#if FLASHEND > 0x1fff
// enough memory (>8k) to sort the pins and additional Ir=
DiodeSymbol_withPins(0);
GetIr(diodes.Cathode[0],diodes.Anode[0]); // measure and output Ir=x.xuA
#else
// too less memory to sort the pins
DiodeSymbol_withPins(0);
#endif
UfAusgabe(0x70); // mark for additional resistor and output Uf= in line 2
#ifndef SamplingADC
/* load current of capacity is (5V-1.1V)/(470000 Ohm) = 8298nA */
ReadCapacity(diodes.Cathode[0],diodes.Anode[0]); // Capacity opposite flow direction
if (cap.cpre < -3) { /* capacity is measured */
#if (LCD_LINES > 2)
lcd_line3(); // output Capacity in line 3
#endif
lcd_MEM_string(Cap_str); //"C="
#if LCD_LINE_LENGTH > 16
DisplayValue(cap.cval,cap.cpre,'F',3);
#else
DisplayValue(cap.cval,cap.cpre,'F',2);
#endif
}
#else // SamplingADC
showdiodecap:
cap.cval=sampling_cap(diodes.Cathode[0],diodes.Anode[0],0); // at low voltage
lcd_next_line_wait(0); // next line, wait 5s and clear line 2
DisplayValue(cap.cval,sampling_cap_pre,'F',2);
#ifdef PULLUP_DISABLE
lcd_data('-');
cap.cval=sampling_cap(diodes.Cathode[0],diodes.Anode[0],1); // at high voltage
if (cap.cval < 0) cap.cval = 0; // don't show negativ value
DisplayValue(cap.cval,sampling_cap_pre,'F',2);
#if LCD_LINE_LENGTH > 16
lcd_MEM_string(AT05volt); // " @0-5V"
#else
lcd_MEM_string(AT05volt+1); // "@0-5V"
#endif
uart_newline(); // MAURO Diode ('A')
#else
#warning Capacity measurement from high to low not possible for diodes without PULLUP_DISABLE option!
#endif /* PULLUP_DISABLE */
#endif
goto end3;
} else if(NumOfDiodes == 2) { // double diode
lcd_data('2');
lcd_MEM_string(Dioden); //"diodes "
if(diodes.Anode[0] == diodes.Anode[1]) { //Common Anode
DiodeSymbol_CpinApin(0); // 1-|<-2
DiodeSymbol_ACpin(1); // ->|-3
UfAusgabe(0x01);
#ifdef SamplingADC
goto showdiodecap; // double diodes are often varicap; measure capacitance of one of them
#else
goto end3;
#endif
}
if(diodes.Cathode[0] == diodes.Cathode[1]) { //Common Cathode
DiodeSymbol_ApinCpin(0); // 1->|-2
DiodeSymbol_CApin(1); // -|<-3
UfAusgabe(0x01);
#ifdef SamplingADC
goto showdiodecap; // double diodes are often varicap; measure capacitance of one of them
#else
goto end3;
#endif
// else if ((diodes.Cathode[0] == diodes.Anode[1]) && (diodes.Cathode[1] == diodes.Anode[0]))
}
if (diodes.Cathode[0] == diodes.Anode[1]) {
// normaly two serial diodes are detected as three diodes, but if the threshold is high
// for both diodes, the third diode is not detected.
// can also be Antiparallel
diode_sequence = 0x01; // 0 1
SerienDiodenAusgabe();
goto end3;
}
if (diodes.Cathode[1] == diodes.Anode[0]) {
diode_sequence = 0x10; // 1 0
SerienDiodenAusgabe();
goto end3;
}
} else if(NumOfDiodes == 3) {
//Serial of 2 Diodes; was detected as 3 Diodes
diode_sequence = 0x33; // 3 3
/* Check for any constellation of 2 serial diodes:
Only once the pin No of anyone Cathode is identical of another anode.
two diodes in series is additionally detected as third big diode.
*/
if (diodes.Cathode[0] == diodes.Anode[1]) {
diode_sequence = 0x01; // 0 1
}
if (diodes.Anode[0] == diodes.Cathode[1]) {
diode_sequence = 0x10; // 1 0
}
if (diodes.Cathode[0] == diodes.Anode[2]) {
diode_sequence = 0x02; // 0 2
}
if (diodes.Anode[0] == diodes.Cathode[2]) {
diode_sequence = 0x20; // 2 0
}
if (diodes.Cathode[1] == diodes.Anode[2]) {
diode_sequence = 0x12; // 1 2
}
if (diodes.Anode[1] == diodes.Cathode[2]) {
diode_sequence = 0x21; // 2 1
}
// if((ptrans.b<3) && (ptrans.c<3))
if(diode_sequence < 0x22) {
lcd_data('3');
lcd_MEM_string(Dioden); //"Diodes "
SerienDiodenAusgabe();
goto end3;
}
} // end (NumOfDiodes == 3)
lcd_MEM_string(Bauteil); //"Bauteil"
lcd_MEM_string(Unknown); //" unbek."
lcd_line2(); //2. row
lcd_data(NumOfDiodes + '0');
lcd_data('*');
lcd_MEM_string(AnKat_str); //"->|-"
lcd_MEM_string(Detected); //" detected"
goto not_known;
// end (PartFound == PART_DIODE)
// ========================================
} else if (PartFound == PART_TRANSISTOR) {
// ========================================
#ifdef SEARCH_PARASITIC
if ((ptrans.count != 0) && (ntrans.count !=0)) {
// Special Handling of NPNp and PNPn Transistor.
// If a protection diode is built on the same structur as the NPN-Transistor,
// a parasitic PNP-Transistor will be detected.
ReadCapacity(ntrans.e, ntrans.b); // read capacity of NPN base-emitter
n_cval = cap.cval; // save the found capacity value
n_cpre = cap.cpre; // and dimension
ReadCapacity(ptrans.b, ptrans.e); // read capacity of PNP base-emitter
// check if one hfe is very low. If yes, simulate a very low BE capacity
if ((ntrans.hfe < 500) && (ptrans.hfe >= 500)) n_cpre = -16; // set NPN BE capacity to low value
if ((ptrans.hfe < 500) && (ntrans.hfe >= 500)) cap.cpre = -16; // set PNP BE capacity to low value
if (((n_cpre == cap.cpre) && (cap.cval > n_cval))
|| (cap.cpre > n_cpre)) {
// the capacity value or dimension of the PNP B-E is greater than the NPN B-E
PartMode = PART_MODE_PNP;
} else {
PartMode = PART_MODE_NPN;
}
} /* end ((ptrans.count != 0) && (ntrans.count !=0)) */
#endif
// not possible for mega8, change Pin sequence instead.
if ((ptrans.count != 0) && (ntrans.count != 0)
&& (!(RST_PIN_REG & (1 << RST_PIN)))) {
// if the Start key is still pressed, use the other Transistor
#if 0
if (PartMode == PART_MODE_NPN) {
PartMode = PART_MODE_PNP; // switch to parasitic transistor
} else {
PartMode = PART_MODE_NPN; // switch to parasitic transistor
}
#else
PartMode ^= (PART_MODE_PNP - PART_MODE_NPN);
#endif
}
#ifdef WITH_GRAPHICS
lcd_set_cursor(0,TEXT_RIGHT_TO_ICON); // position behind the icon, Line 1
lcd_big_icon(BJT_NPN|LCD_UPPER_LEFT); // show the NPN Icon at lower left corner
if(PartMode == PART_MODE_NPN) {
// _trans = &ntrans; is allready selected a default
lcd_MEM_string(NPN_str); //"NPN "
if (ptrans.count != 0) {
lcd_data('p'); // mark for parasitic PNp
}
} else {
_trans = &ptrans; // change transistor structure
lcd_update_icon(bmp_pnp); // update for PNP
lcd_MEM_string(PNP_str); //"PNP "
if (ntrans.count != 0) {
lcd_data('n'); // mark for parasitic NPn
}
}
#else /* only character display */
if(PartMode == PART_MODE_NPN) {
// _trans = &ntrans; is allready selected a default
lcd_MEM_string(NPN_str); //"NPN "
if (ptrans.count != 0) {
lcd_data('p'); // mark for parasitic PNp
}
} else {
_trans = &ptrans; // change transistor structure
lcd_MEM_string(PNP_str); //"PNP "
if (ntrans.count != 0) {
lcd_data('n'); // mark for parasitic NPn
}
}
lcd_space();
#endif
// show the protection diode of the BJT
vak_diode_nr = search_vak_diode();
if (vak_diode_nr < 5) {
// no side of the diode is connected to the base, this must be the protection diode
#ifdef WITH_GRAPHICS
options = 0;
if (_trans->c != diodes.Anode[vak_diode_nr])
options |= OPT_VREVERSE;
lcd_update_icon_opt(bmp_vakdiode,options); // show the protection diode right to the Icon
#else /* only character display, show the diode in correct direction */
char an_cat; // diode is anode-cathode type
an_cat = 0;
#ifdef EBC_STYLE
#if EBC_STYLE == 321
// Layout with 321= style
an_cat = (((PartMode == PART_MODE_NPN) && (ntrans.c < ntrans.e)) ||
((PartMode != PART_MODE_NPN) && (ptrans.c > ptrans.e)));
#else
// Layout with EBC= style
an_cat = (PartMode == PART_MODE_NPN);
#endif
#else
// Layout with 123= style
an_cat = (((PartMode == PART_MODE_NPN) && (ntrans.c > ntrans.e))
|| ((PartMode != PART_MODE_NPN) && (ptrans.c < ptrans.e)));
#endif
if (an_cat) {
lcd_MEM_string(AnKat_str); //"->|-"
} else {
lcd_MEM_string(KatAn_str); //"-|<-"
}
#endif /* !WITH_GRAPHICS */
} /* endif vak_diode_nr < 6 */
#ifdef WITH_GRAPHICS
lcd_draw_trans_pins(-7, 16); // show the pin numbers
lcd_next_line(TEXT_RIGHT_TO_ICON); // position behind the icon, Line 2
lcd_MEM_string(hfe_str); //"B=" (hFE)
DisplayValue(_trans->hfe,-2,0,3);
lcd_next_line(TEXT_RIGHT_TO_ICON+1-LOW_H_SPACE); // position behind the icon+1, Line 3
lcd_data('I');
if (_trans->current >= 10000) {
lcd_data('e'); // emitter current has 10mA offset
_trans->current -= 10000;
} else {
lcd_data('c');
}
lcd_equal(); // lcd_data('=');
DisplayValue16(_trans->current,-6,'A',2); // display Ic or Ie current
lcd_next_line(TEXT_RIGHT_TO_ICON); // position behind the icon, Line 4
lcd_MEM_string(Ube_str); //"Ube="
Display_mV(_trans->uBE,3-LOW_H_SPACE);
last_line_used = 1;
#ifdef SHOW_ICE
if (_trans->ice0 > 0) {
lcd_next_line_wait(TEXT_RIGHT_TO_ICON-1-LOW_H_SPACE); // position behind the icon, Line 4 & wait and clear last line
lcd_MEM2_string(ICE0_str); // "ICE0="
DisplayValue16(_trans->ice0,-6,'A',2); // display ICEO
}
if (_trans->ices > 0) {
lcd_next_line_wait(TEXT_RIGHT_TO_ICON-1-LOW_H_SPACE); // position behind the icon, Line 4 & wait and clear last line
lcd_MEM2_string(ICEs_str); // "ICEs="
DisplayValue16(_trans->ices,-6,'A',2); // display ICEs
}
#endif
#else /* character display */
PinLayout('E','B','C'); // EBC= or 123=...
lcd_line2(); //2. row
lcd_MEM_string(hfe_str); //"B=" (hFE)
DisplayValue(_trans->hfe,-2,0,3);
#if FLASHEND > 0x1fff
lcd_space();
lcd_data('I');
if (_trans->current >= 10000) {
lcd_data('e'); // emitter current has 10mA offset
_trans->current -= 10000;
} else {
lcd_data('c');
}
lcd_equal(); // lcd_data('=');
DisplayValue16(_trans->current,-6,'A',2); // display Ic or Ie current
#endif
#if defined(SHOW_ICE)
lcd_next_line_wait(0); // next line, wait 5s and clear line 2
lcd_MEM_string(Ube_str); //"Ube="
Display_mV(_trans->uBE,3);
if (_trans->ice0 > 0) {
lcd_next_line_wait(0); // next line, wait 5s and clear line 2
lcd_MEM2_string(ICE0_str); // "ICE0="
DisplayValue16(_trans->ice0,-6,'A',3);
}
if (_trans->ices > 0) {
lcd_next_line_wait(0); // next line, wait 5s and clear line 2
lcd_MEM2_string(ICEs_str); // "ICEs="
DisplayValue16(_trans->ices,-6,'A',3);
}
#endif
#endif /* WITH_GRAPHICS */
#ifdef SHOW_VAKDIODE
if (vak_diode_nr < 5) {
lcd_next_line_wait(0); // next line, wait 5s and clear line 2/4
DiodeSymbol_withPins(vak_diode_nr);
lcd_MEM_string(Uf_str); //"Uf="
mVAusgabe(vak_diode_nr);
uart_newline(); // MAURO not verified ('D')
} /* end if (vak_diode_nr < 5) */
#endif
#ifdef WITH_GRAPHICS
PinLayoutLine('E','B','C'); // Pin 1=E ...
uart_newline(); // MAURO OK BJT ('E')
#endif
goto tt_end;
// end (PartFound == PART_TRANSISTOR)
// ========================================
} else if (PartFound == PART_FET) { /* JFET or MOSFET */
// ========================================
#ifdef WITH_GRAPHICS
unsigned char fetidx = 0;
lcd_set_cursor(0,TEXT_RIGHT_TO_ICON); // position behind the icon, Line 1
#endif
if((PartMode&P_CHANNEL) == P_CHANNEL) {
lcd_data('P'); //P-channel
_trans = &ptrans;
#ifdef WITH_GRAPHICS
fetidx = 2;
#endif
} else {
lcd_data('N'); //N-channel
// _trans = &ntrans; is allready selected as default
}
lcd_data('-'); // minus is used for JFET, D-MOS, E-MOS ...
uint8_t part_code;
part_code = PartMode&0x0f;
#ifdef WITH_GRAPHICS
if (part_code == PART_MODE_JFET) {
lcd_MEM_string(jfet_str); //"JFET"
lcd_big_icon(N_JFET|LCD_UPPER_LEFT);
if (fetidx != 0) {
lcd_update_icon(bmp_p_jfet); // update the n_jfet bitmap to p_jfet
}
} else { // no JFET
if ((PartMode&D_MODE) == D_MODE) {
lcd_data('D'); // N-D or P-D
fetidx += 1;
} else {
lcd_data('E'); // N-E or P-E
}
if (part_code == (PART_MODE_IGBT)) {
lcd_MEM_string(igbt_str); //"-IGBT"
lcd_big_icon(N_E_IGBT|LCD_UPPER_LEFT);
if (fetidx == 1) lcd_update_icon(bmp_n_d_igbt);
if (fetidx == 2) lcd_update_icon(bmp_p_e_igbt);
if (fetidx == 3) lcd_update_icon(bmp_p_d_igbt);
} else {
lcd_MEM_string(mosfet_str); //"-MOS "
lcd_big_icon(N_E_MOS|LCD_UPPER_LEFT);
if (fetidx == 1) lcd_update_icon(bmp_n_d_mos);
if (fetidx == 2) lcd_update_icon(bmp_p_e_mos);
if (fetidx == 3) lcd_update_icon(bmp_p_d_mos);
}
} /* end PART_MODE_JFET */
#else /* normal character display */
if (part_code == PART_MODE_JFET) {
lcd_MEM_string(jfet_str); //"-JFET"
} else { // no JFET
if ((PartMode&D_MODE) == D_MODE) {
lcd_data('D'); // N-D or P-D
} else {
lcd_data('E'); // N-E or P-E
}
if (part_code == (PART_MODE_IGBT)) {
lcd_MEM_string(igbt_str); //"-IGBT"
} else {
lcd_MEM_string(mosfet_str); //"-MOS "
}
} /* end PART_MODE_JFET */
if (part_code == PART_MODE_IGBT) {
PinLayout('E','G','C'); // SGD= or 123=...
} else if (part_code == PART_MODE_JFET) {
PinLayout('?','G','?'); // ?G?= or 123=...
} else {
PinLayout('S','G','D'); // SGD= or 123=...
}
#endif /* WITH_GRAPHICS */
vak_diode_nr = search_vak_diode();
if(vak_diode_nr < 5) {
//MOSFET with protection diode; only with enhancement-FETs
#ifndef WITH_GRAPHICS
#if FLASHEND <= 0x1fff
char an_cat; // diode is anode-cathode type
an_cat = 0;
#ifdef EBC_STYLE
#if EBC_STYLE == 321
// layout with 321= style
an_cat = (((PartMode&P_CHANNEL) && (ptrans.c > ptrans.e)) || ((!(PartMode&P_CHANNEL)) && (ntrans.c < ntrans.e)));
#else
// Layout with SGD= style
an_cat = (PartMode&P_CHANNEL); /* N or P MOS */
#endif
#else /* EBC_STYLE not defined */
// layout with 123= style
an_cat = (((PartMode & P_CHANNEL) && (ptrans.c < ptrans.e))
|| ((!(PartMode & P_CHANNEL)) && (ntrans.c > ntrans.e)));
#endif /* end ifdef EBC_STYLE */
// show diode symbol in right direction (short form for less flash memory)
if (an_cat) {
lcd_data(LCD_CHAR_DIODE1); //show Diode symbol >|
} else {
lcd_data(LCD_CHAR_DIODE2); //show Diode symbol |<
}
#endif
#endif /* not WITH_GRAPHICS */
#ifdef WITH_GRAPHICS
options = 0;
if (_trans->c != diodes.Anode[vak_diode_nr])
options |= OPT_VREVERSE;
lcd_update_icon_opt(bmp_vakdiode,options); // update Icon with protection diode
#endif
} /* end if NumOfDiodes == 1 */
#ifdef WITH_GRAPHICS
lcd_draw_trans_pins(-7, 16); // update of pin numbers must be done after diode update
lcd_next_line(TEXT_RIGHT_TO_ICON); // position text behind the icon, Line 2
#if LCD_LINES > 6
lcd_next_line(TEXT_RIGHT_TO_ICON); // double line
#endif
if((PartMode&D_MODE) != D_MODE) { //enhancement-MOSFET
lcd_MEM_string(vt_str+1); // "Vt="
Display_mV(_trans->gthvoltage,2); //Gate-threshold voltage
//Gate capacity
ReadCapacity(_trans->b,_trans->e); //measure capacity
lcd_next_line(TEXT_RIGHT_TO_ICON); // position text behind the icon, Line 3
lcd_show_Cg(); // show Cg=xxxpF
#ifdef SHOW_R_DS
lcd_show_rds(TEXT_RIGHT_TO_ICON-1); // show RDS at column behind the icon -1
#endif
} else { /* depletion mode */
if ((PartMode&0x0f) != PART_MODE_JFET) { /* kein JFET */
ReadCapacity(_trans->b,_trans->e); //measure capacity
lcd_show_Cg(); // show Cg=xxxpF
#ifdef FET_Idss
} else { // it is a JFET
// display the I_DSS, if measured
if (_trans->uBE!=0) {
static const unsigned char str_Idss[] MEM_TEXT = "Idss=";
lcd_MEM_string(str_Idss);
DisplayValue16(_trans->uBE,-6,'A',2);
}
#endif
}
// set cursor below the icon
#define LINE_BELOW_ICON ((ICON_HEIGHT/8)/((FONT_HEIGHT+7)/8))
#if LCD_LINES > 6
lcd_set_cursor((LINE_BELOW_ICON + 1) * PAGES_PER_LINE,0);
#else
lcd_set_cursor(LINE_BELOW_ICON * PAGES_PER_LINE,0);
#endif
lcd_data('I');
#if (LCD_LINE_LENGTH > 17)
lcd_data('d');
#endif
lcd_equal(); // lcd_data('=');
DisplayValue16(_trans->current,-6,'A',2);
lcd_MEM_string(Vgs_str); // "@Vg="
Display_mV(_trans->gthvoltage,2); //Gate-threshold voltage
#ifdef SHOW_ICE
// Display also the cutoff gate voltage, idea from Pieter-Tjerk
if (_trans->ice0<4800) { // can't trust cutoff voltage if close to 5V supply voltage, since then the transistor may not have been cut off at all
lcd_next_line_wait(0);
lcd_data('I');
#if (LCD_LINE_LENGTH > 17)
lcd_data('d');
#endif
lcd_equal(); // lcd_data('=');
DisplayValue16(0,-5,'A',2);
lcd_MEM_string(Vgs_str); // "@Vg="
Display_mV(_trans->ice0,2); // cutoff Gate voltage
#endif
}
#ifdef SHOW_R_DS
lcd_show_rds(0); // show Drain-Source resistance RDS at column 0
#endif
} /* end of enhancement or depletion mode WITH_GRAPHICS */
#else /* character display */
if((PartMode&D_MODE) != D_MODE) { //enhancement-MOSFET
//Gate capacity
lcd_line2(); // line 2
ReadCapacity(_trans->b,_trans->e); //measure capacity
lcd_show_Cg(); // show Cg=xxxpF
lcd_MEM_string(vt_str); // " Vt="
Display_mV(_trans->gthvoltage,2); //Gate-threshold voltage
#ifdef SHOW_R_DS
lcd_show_rds(0); // show Drain-Source resistance RDS at column 0
#endif
} else {
// depletion
#if FLASHEND > 0x1fff
if ((PartMode&0x0f) != PART_MODE_JFET) { /* kein JFET */
lcd_next_line(0); // line 2
ReadCapacity(_trans->b,_trans->e); //measure capacity
lcd_show_Cg(); // show Cg=xxxpF
#ifdef FET_Idss
} else { // it is a JFET
// display the I_DSS, if measured
if (_trans->uBE!=0) {
lcd_next_line(0);
static const unsigned char str_Idss[] MEM_TEXT = "Idss=";
lcd_MEM_string(str_Idss);
DisplayValue16(_trans->uBE,-6,'A',2);
}
#endif
}
lcd_next_line_wait(0); // line 2 or 3, if possible & wait and clear last line
#endif
lcd_data('I'); // show I=xmA@Vg=y.yV at line 2 or 3
#if (LCD_LINE_LENGTH > 17)
lcd_data('d');
#endif
lcd_equal(); // lcd_data('=');
DisplayValue16(_trans->current,-6,'A',2);
lcd_MEM_string(Vgs_str); // "@Vg="
Display_mV(_trans->gthvoltage,2); //Gate-threshold voltage
#ifdef SHOW_ICE
// Display also the cutoff gate voltage, idea from Pieter-Tjerk
if (_trans->ice0<4800) { // can't trust cutoff voltage if close to 5V supply voltage, since then the transistor may not have been cut off at all
lcd_next_line_wait(0);
lcd_data('I');
#if (LCD_LINE_LENGTH > 17)
lcd_data('d');
#endif
lcd_equal(); // lcd_data('=');
DisplayValue16(0,-5,'A',2);
lcd_MEM_string(Vgs_str); // "@Vg="
Display_mV(_trans->ice0,2); // cutoff Gate voltage
}
#endif
#ifdef SHOW_R_DS
lcd_show_rds(0); // show Drain-Source resistance RDS at column 0
#endif
} /* end of enhancement or depletion mode */
/* ****************************************************************** */
void show_C_ESR() {
uint8_t key_pressed;
message_key_released(C_ESR_str);
#ifdef POWER_OFF
uint8_t times;
for (times=0;times<250;)
#else
while (1) /* wait endless without the POWER_OFF option */
#endif
{
PartFound = PART_NONE;
ReadBigCap(TP3,TP1);
if (PartFound == PART_CAPACITOR) {
#if LCD_LINES > 2
lcd_line2(); // set to line2
#else
lcd_line1(); // set to line1
#endif
lcd_data('C');
lcd_equal(); // lcd_data('=');
DisplayValue(cap.cval_max,cap.cpre_max,'F',3);
lcd_clear_line(); // clear to end of line 1
cap.esr = GetESR(cap.cb,cap.ca);
#if LCD_LINES > 2
lcd_line3(); // use line 3
#else
lcd_line2(); // use line 2
#endif
lcd_MEM_string(&ESR_str[1]);
if (cap.esr < 65530) {
DisplayValue16(cap.esr,-2,LCD_CHAR_OMEGA,2);
} else {
lcd_data('?'); // too big
}
lcd_clear_line(); // clear to end of line
} else { // no cap found
#if LCD_LINES > 2
lcd_clear_line2(); // clear C value
lcd_line3();
lcd_clear_line(); // clear old ESR value
#else
lcd_line1(); //
lcd_MEM2_string(C_ESR_str);
lcd_clear_line();
lcd_clear_line2(); // clear old ESR value
#endif
}
#if defined(POWER_OFF) && defined(BAT_CHECK)
Bat_update(times);
#endif
key_pressed = wait_for_key_ms(1000);
#ifdef WITH_ROTARY_SWITCH
if ((key_pressed != 0) || (rotary.incre > 3)) break;
#else
if (key_pressed != 0) break;
#endif
#ifdef POWER_OFF
times = Pwr_mode_check(times); // no time limit with DC_Pwr_mode
#endif
} /* end for times */
} /* end show_C_ESR() */
/* ****************************************************************** */
void message2line(uint8_t number) {
if (number > MODE_LAST) number -= (MODE_LAST + 1);
if (number == MODE_TRANS) lcd_MEM2_string(TESTER_str);
if (number == MODE_FREQ) lcd_MEM2_string(FREQ_str);
#if PROCESSOR_TYP == 644
if (number == MODE_HFREQ) lcd_MEM2_string(HFREQ_str);
if (number == MODE_H_CRYSTAL) lcd_MEM2_string(H_CRYSTAL_str);
if (number == MODE_L_CRYSTAL) lcd_MEM2_string(L_CRYSTAL_str);
#endif
if (number == MODE_FGEN) lcd_MEM2_string(F_GEN_str);
if (number == MODE_PWM) lcd_MEM2_string(PWM_10bit_str);
if (number == MODE_ESR) lcd_MEM2_string(C_ESR_str);
if (number == MODE_RESIS) lcd_MEM_string(RESIS_13_str);
if (number == MODE_CAP13) lcd_MEM_string(CAP_13_str);
if (number == MODE_ROTARY) lcd_MEM2_string(RotaryEncoder_str);
if (number == MODE_BIG_CAP_CORR) lcd_MEM2_string(SetCapCorr_str);
#ifdef WITH_SELFTEST
if (number == MODE_SELFTEST) lcd_MEM2_string(FULLCHECK_str);
#endif
#ifdef WITH_VEXT
if (number == MODE_VEXT) lcd_MEM_string(VOLTAGE_str);
#endif
#if ((LCD_ST_TYPE == 7565) || (LCD_ST_TYPE == 8814) || (LCD_ST_TYPE == 8812) || (LCD_ST_TYPE == 1306) || defined(LCD_DOGM))
if (number == MODE_CONTRAST) lcd_MEM_string(CONTRAST_str);
#endif
if (number == MODE_SHOW) {
lcd_MEM2_string(SHOW_str);
}
if (number == MODE_OFF) {
lcd_MEM2_string(OFF_str);
}
while (_lcd_column<LCD_LINE_LENGTH) {
lcd_space();
}
}
void show_resis(byte pin1, byte pin2, byte how)
// can be invoked both from main() and from show_Resis13()
// pin1 and pin2 are resistor's pin numbers, but ResistorList[0] should also be correctly filled
// assumes resistance has already been measured, but will do inductance measurements as appropriate
// "how" flag tells how to show the results: if set [R] or [RL] will be shown in top right corner
{
#ifdef RMETER_WITH_L
lcd_testpin(pin1);
lcd_MEM_string(Resistor_str); // -[==]-
lcd_refresh();
ReadInductance(); // measure inductance, possible only with R<2.1k
#ifdef SamplingADC
sampling_lc(pin1,pin2); // measure inductance using resonance method
// draw first line: the pin numbers, RR and possibly LL symbol, and possibly [R] or [RL]
byte lclx0=(lc_lx==0);
if (inductor_lpre < 0 || !lclx0)
#else
if (inductor_lpre < 0)
#endif
{
lcd_MEM_string(Inductor_str+1); // "LL-"
}
lcd_testpin(pin2);
// second line: measured R value (but that goes on first line if lc_lx!=0), and measured inductance, if applicable
#ifdef SamplingADC
if (!lclx0) { /* inductance measured by sampling method */
lcd_space();
RvalOut(ResistorList[0]); // show Resistance, probably ESR, still on first line
}
#endif
#if FLASHEND > 0x3fff
if (how) {
// still need to write "[RL]" or "[R]" at the end of first line, if it fits
if (_lcd_column<=LCD_LINE_LENGTH-4) {
lcd_MEM_string(RL_METER_str+(_lcd_column-6)); // " [R]" or "[RL]"
}
}
#else
lcd_clear_line();
#endif
lcd_line2();
#ifdef SamplingADC
if (!lclx0) { /* Frequency found */
// lcd_next_line(0);
DisplayValue(lc_lx,lc_lpre,'H',3); // output inductance
lcd_MEM2_string(iF_str); // " if "
uint16_t lc_cpar; // value of parallel capacitor used for calculating inductance, in pF
lc_cpar=eeprom_read_word((uint16_t *)&lc_cpar_ee);
#if (LCD_LINES<3) && (LCD_LINE_LENGTH<17)
DisplayValue16(lc_cpar,-12,'F',2); // on 2-line dispaly show parallel capacitance with only 2 digits to make room for the '+' sign at the end of the line
#else
DisplayValue16(lc_cpar,-12,'F',3); // show parallel capacitance
#endif
} else
#endif
{
// lcd_next_line_wait(0);
RvalOut(ResistorList[0]); // show Resistance, probably ESR
if (inductor_lpre < -2) {
// resistor has also inductance
lcd_MEM_string(Lis_str); // "L="
DisplayValue(inductor_lx,inductor_lpre,'H',3); // output classic inductance
}
}
// third line: measured resonance frequency and Q, if applicable
#ifdef SamplingADC
if (lc_fx) {
lcd_next_line_wait(0);
DisplayValue(lc_fx,lc_fpre,'H',4);
lcd_MEM2_string(zQ_str); // "z Q="
DisplayValue16(lc_qx, lc_qpre,' ',3);
lcd_clear_line();
} else {
// #if LCD_LINES>2
// // make sure we clean the third line, but only if the display actually has a 3rd line
// lcd_next_line(0);
// #endif
lcd_next_line(0);
if (last_line_used == 0) {
lcd_clear_line();
}
}
#endif
#else /* without Inductance measurement, only show resistance */
lcd_line2();
inductor_lpre = -1; // prevent ESR measurement because Inductance is not tested
RvalOut(ResistorList[0]); // show Resistance, no ESR
#endif
}
void show_cap_simple(void)
#endif
{
// lcd_MEM_string(Capacitor);
lcd_line1();
lcd_testpin(cap.ca); //Pin number 1
lcd_MEM_string(CapZeich); // capacitor sign
#if FLASHEND > 0x1fff
uint8_t present_res; // true, if resistor symbol is shown in Row 1
uint8_t present_esr;
uint8_t present_vloss;
GetVloss();
cap.esr = GetESR(cap.cb, cap.ca); // get ESR of capacitor
present_esr = (cap.esr < 65530);
present_vloss = (cap.v_loss != 0);
#if (LCD_LINES > 2)
present_res = present_esr; // show every time a well ESR value is detected, Vloss extra line
#else
#if FLASHEND > 0x3fff
present_res = (present_esr && (!present_vloss || how));
#else
present_res = (present_esr && (!present_vloss));
#endif
// show Vloss additionally in line 2 , or no Vloss
#endif
if (present_res)
{
lcd_MEM_string(Resistor_str+1); // [=]-
}
#endif /* FLASHEND > 0x1fff */
lcd_testpin(cap.cb); //Pin number 2
#if FLASHEND > 0x1fff
#if FLASHEND > 0x3fff
if (how) {
// Vloss is allways shown in separate line
lcd_spaces(LCD_LINE_LENGTH - 3 - _lcd_column);
lcd_MEM2_string(CMETER_13_str); // "[C]" at the end of line 1
} else {
#endif /* FLASHENF > 0x3fff */
#if (LCD_LINES <= 2) /* Vloss in line 1 */
if (cap.v_loss != 0) {
lcd_MEM_string(VLOSS_str); // " Vloss="
DisplayValue16(cap.v_loss,-1,'%',2);
}
#endif
lcd_clear_line(); // clear to end of line
#if FLASHEND > 0x3fff
} /* end of if (how) */
#endif
#else
lcd_clear_line(); // clear to end of line
#endif /* FLASHEND > 0x1fff */
// - - - - - - - - - - - - - - - - - - - - - -
lcd_line2(); //2. row
DisplayValue(cap.cval_max,cap.cpre_max,'F',4);
#if FLASHEND > 0x1fff
if (present_esr) {
lcd_MEM_string(ESR_str); // " ESR="
DisplayValue16(cap.esr,-2,LCD_CHAR_OMEGA,2);
}
lcd_clear_line();
// - - - - - - - - - - - - - - - - - - - - - -
#if LCD_LINES > 2
lcd_line3();
if (present_vloss ) {
lcd_MEM_string(&VLOSS_str[1]); // "Vloss="
DisplayValue16(cap.v_loss,-1,'%',2);
}
lcd_clear_line();
#else /* only two lines */
#if FLASHEND > 0x3fff
if (how && present_vloss)
#else
if (present_vloss)
#endif
{
lcd_next_line_wait(0); // show vloss after waiting
lcd_MEM_string(&VLOSS_str[1]); // "Vloss="
DisplayValue16(cap.v_loss,-1,'%',2);
lcd_clear_line(); // clear to end of line
}
#endif
#else
lcd_clear_line();
#endif /* FLASHEND > 0x1fff */
} /* end show_cap or show_cap_simple */
void AutoCheck(uint8_t test_mode) {
/* (test_mode & 0x0f) == 0 , only calibration without T1-T7 */
/* (test_mode & 0x0f) == 1 , calibration and additional T1-T7 */
/* (test_mode & 0xf0) == 0 , check for shorted probes, if unshorted, return */
/* (test_mode & 0xf0) == 0x10 , ask for shorted probes */
uint8_t ww; // counter for repeating the tests
int adcmv[7];
#ifdef EXTENDED_TESTS
uint16_t u680; // 3 * (Voltage at 680 Ohm)
uint8_t taste; // ist key pressed? 0 = no
#else
#ifndef NO_TEST_T1_T7
#warning "Selftest without extended tests T1 to T7!"
#endif
#endif
#if defined(EXTENDED_TESTS) || defined(WITH_MENU)
uint8_t tt; // number of running test
#endif
#ifdef FREQUENCY_50HZ
uint8_t ff50; // loop counter for 2s
#endif
// define the maximum count of repetitions MAX_REP
#define MAX_REP 4
#ifdef AUTO_CAL
uint8_t cap_found; // counter for found capacitor
#ifdef AUTOSCALE_ADC
int8_t udiff; // difference between ADC Voltage with VCC or Bandgap reference
int8_t udiff2;
#endif
#endif
PartFound = PART_NONE; // no part found before
if ((test_mode & 0xf0) == 0) {
// probed should be shorted already to begin selftest
if (AllProbesShorted() != 3) return;
lcd_clear();
lcd_MEM_string(SELFTEST); // "Selftest mode.."
lcd_line2();
lcd_data('?'); // wait for key pressed for confirmation
if (wait_for_key_ms(2000) > 10) goto begin_selftest; // key is pressed again
#ifdef WITH_MENU
} else {
// report to user, that probes should be shorted
ww = 0;
for (tt=0;tt<150;tt++) { /* wait about 30 seconds for shorted probes */
lcd_clear();
lcd_MEM2_string(SHORT_PROBES_str); // message "Short probes!" to LCD
if (AllProbesShorted() == 3) {
ww++; // all probes now shorted
} else {
ww = 0; // connection not stable, retry
}
if (ww > 3) break; // connection seems to be stable
lcd_refresh(); // write the pixels to display, ST7920 only
wait_about200ms(); // wait 200ms and try again
} /* end for (tt...) */
if (tt < 150) goto begin_selftest; // is shorted before time limit
goto no_zero_resistance; // skip measuring of the zero resistance
#endif
}
// no key pressed for 2s
lcd_clear();
lcd_MEM_string(VERSION_str); //"Version ..."
return;
begin_selftest:
lcd_line2();
lcd_MEM2_string(R0_str); // "R0="
eeprom_write_byte((uint8_t *)(&EE_ESR_ZEROtab[2]), (uint8_t)0); // clear zero offset
eeprom_write_byte((uint8_t *)(&EE_ESR_ZEROtab[3]), (uint8_t)0); // clear zero offset
eeprom_write_byte((uint8_t *)(&EE_ESR_ZEROtab[1]), (uint8_t)0); // clear zero offset
adcmv[0] = GetESR(TP3, TP1);
adcmv[1] = GetESR(TP3, TP2);
adcmv[2] = GetESR(TP2, TP1);
DisplayValue16(adcmv[0],-2,' ',3);
DisplayValue16(adcmv[1],-2,' ',3);
DisplayValue16(adcmv[2],-2,LCD_CHAR_OMEGA,3);
if (adcmv[0] >= 90) {
adcmv[0] = ESR_ZERO; // set back to default value
}
eeprom_write_byte((uint8_t *)(&EE_ESR_ZEROtab[2]), (uint8_t)adcmv[0]); // fix zero offset
if (adcmv[1] >= 90) {
adcmv[1] = ESR_ZERO; // set back to default value
}
eeprom_write_byte((uint8_t *)(&EE_ESR_ZEROtab[3]), (uint8_t)adcmv[1]); // fix zero offset
if (adcmv[2] >= 90) {
adcmv[2] = ESR_ZERO; // set back to default value
}
eeprom_write_byte((uint8_t *)(&EE_ESR_ZEROtab[1]), (uint8_t)adcmv[2]); // fix zero offset
last_line_used = 2;
wait_for_key_5s_line2(); // wait up to 5 seconds and clear line 2
#ifdef WITH_MENU
no_zero_resistance:
#endif
#ifdef EXTENDED_TESTS
#define TEST_COUNT 8
if((test_mode & 0x0f) == 1) { /* full test requested */
for(tt=1;tt<TEST_COUNT;tt++) { // loop for all Tests
for(ww=0;ww<MAX_REP;ww++) { // repeat the test MAX_REP times
lcd_clear_line2(); // clear total line 2
lcd_clear_line1(); // clear total line 1
lcd_data('T'); //output the Testmode "T"
u2lcd(tt); //lcd_string(utoa(tt, outval, 10)); //output Test number
lcd_space();
//############################################
if (tt == 1) { // output of reference voltage and factors for capacity measurement
lcd_MEM2_string(URef_str); //"URef="
Calibrate_UR(); // get Reference voltage, Pin resistance
Display_mV(ref_mv,4);
lcd_line2(); //Cursor to column 1, row 2
lcd_MEM2_string(RHfakt_str); //"RHf="
u2lcd(RHmultip); //lcd_string(utoa(RHmultip, outval, 10));
ADCconfig.Samples = R_ANZ_MESS; // set number of ADC reads near to maximum
}
//############################################
if (tt == 2) { // how equal are the RL resistors?
u680 = ((long)ADCconfig.U_AVCC * (PIN_RM + R_L_VAL) / (PIN_RM + R_L_VAL + R_L_VAL + PIN_RP));
R_PORT = 1<<PIN_RL1; //RL1 to VCC
R_DDR = (1<<PIN_RL1) | (1<<PIN_RL2); //RL2 to -
adcmv[0] = W20msReadADC(TP1);
adcmv[0] -= u680;
R_DDR = (1<<PIN_RL1) | (1<<PIN_RL3); //RL3 to -
adcmv[1] = W20msReadADC(TP1);
adcmv[1] -= u680;
R_PORT = 1<<PIN_RL2; //RL2 to VCC
R_DDR = (1<<PIN_RL2) | (1<<PIN_RL3); //RL3 to -
adcmv[2] = W20msReadADC(TP2);
adcmv[2] -= u680;
lcd_MEM_string(RLRL_str); // "RLRL"
}
//############################################
if (tt == 3) { // how equal are the RH resistors
R_PORT = 1<<PIN_RH1; //RH1 to VCC
R_DDR = (1<<PIN_RH1) | (1<<PIN_RH2); //RH2 to -
adcmv[0] = W20msReadADC(TP1);
adcmv[3] = ADCconfig.U_AVCC / 2;
adcmv[0] -= adcmv[3];
R_DDR = (1<<PIN_RH1) | (1<<PIN_RH3); //RH3 to -
adcmv[1] = W20msReadADC(TP1);
adcmv[1] -= adcmv[3];
R_PORT = 1<<PIN_RH2; //RH2 to VCC
R_DDR = (1<<PIN_RH2) | (1<<PIN_RH3); //RH3 to -
adcmv[2] = W20msReadADC(TP2);
adcmv[2] -= adcmv[3];
lcd_MEM_string(RHRH_str); // "RHRH"
}
//############################################
if (tt == 4) { // Text release probes
lcd_MEM_string(RELPROBE); // "Release Probes"
if (AllProbesShorted() != 0) ww = MAX_REP-2;
}
//############################################
if (tt == 5) { // can we switch the ADC pins to GND across R_H resistor?
R_PORT = 0;
R_DDR = 1<<PIN_RH1; //Pin 1 over R_H to GND
adcmv[0] = W20msReadADC(TP1);
R_DDR = 1<<PIN_RH2; //Pin 2 over R_H to GND
adcmv[1] = W20msReadADC(TP2);
R_DDR = 1<<PIN_RH3; //Pin 3 over R_H to GND
adcmv[2] = W20msReadADC(TP3);
lcd_MEM_string(RH1L_str); // "RH_Lo="
}
//############################################
if (tt == 6) { // can we switch the ADC pins to VCC across the R_H resistor?
R_DDR = 1<<PIN_RH1; //Pin 1 over R_H to VCC
R_PORT = 1<<PIN_RH1;
adcmv[0] = W20msReadADC(TP1) - ADCconfig.U_AVCC;
R_DDR = 1<<PIN_RH2; //Pin 2 over R_H to VCC
R_PORT = 1<<PIN_RH2;
adcmv[1] = W20msReadADC(TP2) - ADCconfig.U_AVCC;
R_DDR = 1<<PIN_RH3; //Pin 3 over R_H to VCC
R_PORT = 1<<PIN_RH3;
adcmv[2] = W20msReadADC(TP3) - ADCconfig.U_AVCC;
lcd_MEM_string(RH1H_str); // "RH_Hi="
}
if (tt == 7) { // is the voltage of all R_H / R_L dividers correct?
u680 = ((long)ADCconfig.U_AVCC * (PIN_RM + R_L_VAL) / (PIN_RM + R_L_VAL + (unsigned long)R_H_VAL*100));
R_PORT = 1<<PIN_RH1; //RH1 to VCC
R_DDR = (1<<PIN_RH1) | (1<<PIN_RL1); //RH1 to +, RL1 to -
adcmv[0] = W20msReadADC(TP1);
adcmv[0] -= u680;
R_PORT = 1<<PIN_RH2; //RH2 to VCC
R_DDR = (1<<PIN_RH2) | (1<<PIN_RL2); //RH2 to +, RL2 to -
adcmv[1] = W20msReadADC(TP2);
adcmv[1] -= u680;
R_PORT = 1<<PIN_RH3; //RH3 to VCC
R_DDR = (1<<PIN_RH3) | (1<<PIN_RL3); //RH3 to +, RL3 to -
adcmv[2] = W20msReadADC(TP3);
adcmv[2] -= u680;
lcd_MEM_string(RHRL_str); // "RH/RL"
}
//############################################
if (tt > 1) { // output 3 voltages
lcd_line2(); //Cursor to column 1, row 2
i2lcd(adcmv[0]); // lcd_string(itoa(adcmv[0], outval, 10)); //output voltage 1
lcd_space();
i2lcd(adcmv[1]); // lcd_string(itoa(adcmv[1], outval, 10)); //output voltage 2
lcd_space();
i2lcd(adcmv[2]); // lcd_string(itoa(adcmv[2], outval, 10)); //output voltage 3
}
ADC_DDR = TXD_MSK; // all-Pins to Input
ADC_PORT = TXD_VAL; // all ADC-Ports to GND
R_DDR = 0; // all R-Ports to Input
R_PORT = 0;
taste = wait_for_key_ms(1000); // wait up to 1 second or key is pressed
if ((tt != 4) && (taste > 10)) {
// don't finish repetition for T4 with pressed key
break; // if key is pressed, don't repeat
}
} //end for ww
wait_for_key_ms(1000); // wait up to 1 second or key is pressed
} //end for tt
#if PROCESSOR_TYP == 1280
lcd_clear();
lcd_testpin(TP1);
lcd_data('L');
lcd_equal(); // lcd_data('=');
ADC_PORT = TXD_VAL;
ADC_DDR = (1<<TP1) | TXD_MSK;
R_PORT = (1<<PIN_RL1);
R_DDR = (1<<PIN_RL1);
adcmv[0] = W5msReadADC(TP1);
ADCSRB = (1<<MUX5); // switch to upper 8 MUX inputs
adcmv[1] = ReadADC(PIN_RL1);
ADCSRB = 0; // switch back to lower 8 MUX inputs
ResistorVal[0] = (adcmv[0] * (unsigned long)R_L_VAL) / (adcmv[1] - adcmv[0]);
DisplayValue(ResistorVal[0],-1,LCD_CHAR_OMEGA,3);
lcd_space();
lcd_data('H');
lcd_equal(); // lcd_data('=');
ResistorVal[1] = ((ADCconfig.U_AVCC - adcmv[1]) * (unsigned long)R_L_VAL) / (adcmv[1] - adcmv[0]);
DisplayValue(ResistorVal[1],-1,LCD_CHAR_OMEGA,3);
lcd_line2();
lcd_testpin(TP1);
lcd_space();
lcd_data('H');
lcd_equal(); // lcd_data('=');
ADC_PORT = (1<<TP1) | TXD_VAL;
R_PORT = 0;
adcmv[0] = W5msReadADC(TP1);
ADCSRB = (1<<MUX5); // switch to upper 8 MUX inputs
adcmv[1] = ReadADC(PIN_RL1);
ADCSRB = 0; // switch back to lower 8 MUX inputs
ResistorVal[1] = ((ADCconfig.U_AVCC - adcmv[0]) * (unsigned long)R_L_VAL) / (adcmv[0] - adcmv[1]);
DisplayValue(ResistorVal[1],-1,LCD_CHAR_OMEGA,3);
lcd_space();
lcd_data('L');
lcd_equal(); // lcd_data('=');
ResistorVal[0] = (adcmv[1] * (unsigned long)R_L_VAL) / (adcmv[0] - adcmv[1]);
DisplayValue(ResistorVal[0],-1,LCD_CHAR_OMEGA,3);
wait_about1s(); // only for mega1280
last_line_used = 2;
wait_for_key_5s_line2(); // wait up to 5 seconds and clear line 2
//
lcd_clear();
lcd_testpin(TP2);
lcd_data('L');
lcd_equal(); // lcd_data('=');
ADC_PORT = TXD_VAL;
ADC_DDR = (1<<TP2) | TXD_MSK;
R_PORT = (1<<PIN_RL2);
R_DDR = (1<<PIN_RL2);
adcmv[0] = W5msReadADC(TP2);
ADCSRB = (1<<MUX5); // switch to upper 8 MUX inputs
adcmv[1] = ReadADC(PIN_RL2);
ADCSRB = 0; // switch back to lower 8 MUX inputs
ResistorVal[0] = (adcmv[0] * (unsigned long)R_L_VAL) / (adcmv[1] - adcmv[0]);
DisplayValue(ResistorVal[0],-1,LCD_CHAR_OMEGA,3);
lcd_space();
lcd_data('H');
lcd_equal(); // lcd_data('=');
ResistorVal[1] = ((ADCconfig.U_AVCC - adcmv[1]) * (unsigned long)R_L_VAL) / (adcmv[1] - adcmv[0]);
DisplayValue(ResistorVal[1],-1,LCD_CHAR_OMEGA,3);
lcd_line2();
lcd_testpin(TP2);
lcd_data('H');
lcd_equal(); // lcd_data('=');
ADC_PORT = (1<<TP2) | TXD_VAL;
R_PORT = 0;
adcmv[0] = W5msReadADC(TP2);
ADCSRB = (1<<MUX5); // switch to upper 8 MUX inputs
adcmv[1] = ReadADC(PIN_RL2);
ADCSRB = 0; // switch back to lower 8 MUX inputs
ResistorVal[1] = ((ADCconfig.U_AVCC - adcmv[0]) * (unsigned long)R_L_VAL) / (adcmv[0] - adcmv[1]);
DisplayValue(ResistorVal[1],-1,LCD_CHAR_OMEGA,3);
lcd_space();
lcd_data('L');
lcd_equal(); // lcd_data('=');
ResistorVal[0] = (adcmv[1] * (unsigned long)R_L_VAL) / (adcmv[0] - adcmv[1]);
DisplayValue(ResistorVal[0],-1,LCD_CHAR_OMEGA,3);
wait_about1s(); // only for mega1280
last_line_used = 2;
wait_for_key_5s_line2(); // wait up to 5 seconds and clear line 2
//
lcd_clear();
lcd_testpin(TP3);
lcd_data('L');
lcd_equal(); // lcd_data('=');
ADC_DDR = (1<<TP3) | TXD_MSK;
R_PORT = (1<<PIN_RL3);
R_DDR = (1<<PIN_RL3);
adcmv[0] = W5msReadADC(TP3);
ADCSRB = (1<<MUX5); // switch to upper 8 MUX inputs
adcmv[1] = ReadADC(PIN_RL3);
ADCSRB = 0;
ResistorVal[0] = (adcmv[0] * (unsigned long)R_L_VAL) / (adcmv[1] - adcmv[0]);
DisplayValue(ResistorVal[0],-1,LCD_CHAR_OMEGA,3);
lcd_space();
lcd_data('H');
lcd_equal(); // lcd_data('=');
ResistorVal[1] = ((ADCconfig.U_AVCC - adcmv[1]) * (unsigned long)R_L_VAL) / (adcmv[1] - adcmv[0]);
DisplayValue(ResistorVal[1],-1,LCD_CHAR_OMEGA,3);
lcd_line2();
lcd_testpin(TP3);
lcd_data('H');
lcd_equal(); // lcd_data('=');
ADC_PORT = (1<<TP3) | TXD_VAL;
R_PORT = 0;
adcmv[0] = W5msReadADC(TP3);
ADCSRB = (1<<MUX5); // switch to upper 8 MUX inputs
adcmv[1] = ReadADC(PIN_RL3);
ADCSRB = 0; // switch back to lower 8 MUX inputs
ResistorVal[1] = ((ADCconfig.U_AVCC - adcmv[0]) * (unsigned long)R_L_VAL) / (adcmv[0] - adcmv[1]);
DisplayValue(ResistorVal[1],-1,LCD_CHAR_OMEGA,3);
lcd_space();
lcd_data('L');
lcd_equal(); // lcd_data('=');
ResistorVal[0] = (adcmv[1] * (unsigned long)R_L_VAL) / (adcmv[0] - adcmv[1]);
DisplayValue(ResistorVal[0],-1,LCD_CHAR_OMEGA,3);
wait_about1s(); // only for mega1280
last_line_used = 2;
wait_for_key_5s_line2(); // wait up to 5 seconds and clear line 2
#endif /* PROCESSOR_TYP == 1280 */
} /* end if((test_mode & 0x0f) == 1) */
#endif /* end EXTENDED_TESTS */
for (ww=0;ww<120;ww++) {
// wait up to 1 minute for releasing the probes
if (AllProbesShorted() == 0) break;
lcd_clear_line2(); // clear total line2
lcd_MEM_string(RELPROBE); // "Release Probes"
lcd_refresh(); // write the pixels to display, ST7920 only
wait_about500ms();
}
lcd_clear();
lcd_MEM_string(RIHI_str); // "RiHi="
DisplayValue16(RRpinPL,-1,LCD_CHAR_OMEGA,3);
lcd_line2();
lcd_MEM_string(RILO_str); // "RiLo="
DisplayValue16(RRpinMI,-1,LCD_CHAR_OMEGA,3);
last_line_used = 2;
wait_for_key_5s_line2(); // wait up to 5 seconds and clear line 2
//measure Zero offset for Capacity measurement
PartFound = PART_NONE;
lcd_clear();
lcd_MEM_string(C0_str); //output "C0 "
ReadCapacity(TP3, TP1);
adcmv[5] = (unsigned int) cap.cval_uncorrected.dw; //save capacity value of empty Pin 1:3
ReadCapacity(TP3, TP2);
adcmv[6] = (unsigned int) cap.cval_uncorrected.dw; //save capacity value of empty Pin 2:3
ReadCapacity(TP2, TP1);
adcmv[2] = (unsigned int) cap.cval_uncorrected.dw; //save capacity value of empty Pin 1:2
ReadCapacity(TP1, TP3);
adcmv[1] = (unsigned int) cap.cval_uncorrected.dw; //save capacity value of empty Pin 3:1
ReadCapacity(TP2, TP3);
adcmv[4] = (unsigned int) cap.cval_uncorrected.dw; //save capacity value of empty Pin 3:2
ReadCapacity(TP1, TP2);
adcmv[0] = (unsigned int) cap.cval_uncorrected.dw; //save capacity value of empty Pin 2:1
#ifdef WITH_MENU
if (((test_mode & 0x0f) == 1) || (UnCalibrated == 2))
#else
if (UnCalibrated == 2)
#endif
{
adcmv[3] = adcmv[0] + 2; // mark as uncalibrated until Cap > 100nF has success
} else {
adcmv[3] = adcmv[0]; // mark as calibrated, short calibration is finished
UnCalibrated = 0; // clear the UnCalibrated Flag
lcd_cursor_off(); // switch cursor off
}
u2lcd_space(adcmv[5]); //DisplayValue(adcmv[5],0,' ',3); //output cap0 1:3
u2lcd_space(adcmv[6]); //DisplayValue(adcmv[6],0,' ',3); //output cap0 2:3
DisplayValue(adcmv[2],-12,'F',3); //output cap0 1:2
#ifdef AUTO_CAL
for (ww=0;ww<7;ww++) { //checking loop
if ((adcmv[ww] > 190) || (adcmv[ww] < 10)) goto no_c0save;
}
for (ww=0;ww<7;ww++) {
// write all zero offsets to the EEprom
(void) eeprom_write_byte((uint8_t *)(&c_zero_tab[ww]),adcmv[ww]+(COMP_SLEW1 / (CC0 + CABLE_CAP + COMP_SLEW2)));
}
lcd_line2();
lcd_MEM_string(OK_str); // output "OK"
no_c0save:
#endif
last_line_used = 2;
wait_for_key_5s_line2(); // wait up to 5 seconds and clear line 2
#ifdef SamplingADC
sampling_cap_calibrate(); // measure zero capacity for samplingADC
#endif
#ifdef AUTO_CAL
#ifdef WITH_MENU
if (((test_mode & 0x0f) == 1) || (UnCalibrated == 2))
#endif
// without menu function the capacitor is requested every time,
// because there is no way to request recaltbration again
// With menu function the capacitor is only requested for first time
// calibration (UnCalibrated = 2) or for the full selftest call (test_mode = 1)
// of the menu function, not with the automatically call (test_mode = 1).
{
// for full test or first time calibration, use external capacitor
// Message C > 100nF at TP1 and TP3
cap_found = 0;
for (ww=0;ww<64;ww++) {
init_parts();
#if (TPCAP >= 0)
CalibrationCap(); // measure with internal calibration capacitor
#else
lcd_clear();
lcd_testpin(TP1);
lcd_MEM_string(CapZeich); // "-||-"
lcd_testpin(TP3);
lcd_MEM2_string(MinCap_str); // " >100nF!"
PartFound = PART_NONE;
ReadCapacity(TP3, TP1); // look for capacitor > 100nF
#endif
while (cap.cpre < -9) {
cap.cpre++;
cap.cval /= 10;
}
if ((cap.cpre == -9) && (cap.cval > 95) && (cap.cval < 22000) &&
(load_diff > -150) && (load_diff < 150)) {
cap_found++;
} else {
cap_found = 0; // wait for stable connection
}
if (cap_found > 4) {
// value of capacitor is correct
(void) eeprom_write_word((uint16_t *)(&ref_offset), load_diff); // hold zero offset + slew rate dependend offset
lcd_clear();
lcd_MEM2_string(REF_C_str); // "REF_C="
i2lcd(load_diff); // lcd_string(itoa(load_diff, outval, 10)); //output REF_C_KORR
RefVoltage(); // new ref_mv_offs and RHmultip
#if 0
//#######################################
// Test for switching level of the digital input of port TP3
for (tt=0;tt<8;tt++) {
ADC_PORT = TXD_VAL; //ADC-Port 1 to GND
ADC_DDR = 1<<TP1 | TXD_MSK; //ADC-Pin 1 to output 0V
R_PORT = 1<<PIN_RH3; //Pin 3 over R_H to VCC
R_DDR = 1<<PIN_RH3; //Pin 3 over R_H to VCC
while (1) {
wdt_reset();
if ((ADC_PIN&(1<<TP3)) == (1<<TP3)) break;
}
R_DDR = 0; //Pin 3 without current
R_PORT = 0;
adcmv[0] = ReadADC(TP3);
lcd_line3();
Display_mV(adcmv[0],4);
R_DDR = 1<<PIN_RH3; //Pin 3 over R_H to GND
while (1) {
wdt_reset();
if ((ADC_PIN&(1<<TP3)) != (1<<TP3)) break;
}
R_DDR = 0; //Pin 3 without current
lcd_line4();
adcmv[0] = ReadADC(TP3);
Display_mV(adcmv[0],4);
last_line_used = 2;
wait_for_key_5s_line2(); // wait up to 5 seconds and clear line 2
}
//#######################################
#endif
#ifdef AUTOSCALE_ADC
#if (TPCAP >= 0)
#define CAP_ADC TPCAP /* Cap >100nF is integrated at TPCAP */
TCAP_PORT &= ~(1<<TCAP_RH); // 470k resistor to GND
TCAP_DDR |= (1<<TCAP_RH); // enable output
#else
#define CAP_ADC TP3 /* Cap >100nF at TP3 */
ADC_PORT = TXD_VAL; //ADC-Port 1 to GND
ADC_DDR = 1<<TP1 | TXD_MSK; //ADC-Pin 1 to output 0V
R_DDR = 1<<PIN_RH3; //Pin 3 over R_H to GND
#endif
do {
adcmv[0] = ReadADC(CAP_ADC);
} while (adcmv[0] > 980);
#if (TPCAP >= 0)
TCAP_DDR &= ~(1<<TCAP_RH); // 470k resistor port to input mode
#else
R_DDR = 0; //all Pins to input
#endif
ADCconfig.U_Bandgap = 0; // do not use internal Ref
adcmv[0] = ReadADC(CAP_ADC); // get cap voltage with VCC reference
ADCconfig.U_Bandgap = adc_internal_reference;
adcmv[1] = ReadADC(CAP_ADC); // get cap voltage with internal reference
adcmv[1] += adcmv[1]; // double the value
ADCconfig.U_Bandgap = 0; // do not use internal Ref
adcmv[2] = ReadADC(CAP_ADC); // get cap voltage with VCC reference
ADCconfig.U_Bandgap = adc_internal_reference;
udiff = (int8_t)(((signed long)(adcmv[0] + adcmv[2] - adcmv[1])) * adc_internal_reference / adcmv[1])+REF_R_KORR;
lcd_line2();
lcd_MEM2_string(REF_R_str); // "REF_R="
udiff2 = udiff + (int8_t)eeprom_read_byte((uint8_t *)(&RefDiff));
(void) eeprom_write_byte((uint8_t *)(&RefDiff), (uint8_t)udiff2); // hold offset for true reference Voltage
i2lcd(udiff2); // output correction voltage
RefVoltage(); // set new ADCconfig.U_Bandgap
#endif /* end AUTOSCALE_ADC */
last_line_used = 2;
wait_for_key_5s_line2(); // wait up to 5 seconds and clear line 2
UnCalibrated = 0; // clear the UnCalibrated Flag
lcd_cursor_off(); // switch cursor off
cap_found = eeprom_read_byte((uint8_t *)&c_zero_tab[0]); // read first capacity zero offset
eeprom_write_byte((uint8_t *)&c_zero_tab[3], cap_found); // mark as calibrated permanent
break; // leave the ww for loop
} /* end if (cap_found > 4) */
lcd_line2();
DisplayValue(cap.cval,cap.cpre,'F',4);
lcd_refresh(); // write the pixels to display, ST7920 only
wait_about200ms(); // wait additional time
} // end for ww
} /* end if((test_mode & 0x0f) == 1) */
#endif /* end AUTO_CAL */
ADCconfig.Samples = ANZ_MESS; // set to configured number of ADC samples
#ifdef SamplingADC
sampling_lc_calibrate(); // Cap for L-meas
#endif
#ifdef FREQUENCY_50HZ
//#define TEST_SLEEP_MODE /* only select for checking the sleep delay */
lcd_clear();
lcd_MEM_string(T50HZ); //" 50Hz"
lcd_refresh(); // write the pixels to display, ST7920 only
ADC_PORT = TXD_VAL;
ADC_DDR = 1<<TP1 | TXD_MSK; // Pin 1 to GND
R_DDR = (1<<PIN_RL3) | (1<<PIN_RL2);
for(ww=0;ww<30;ww++) { // repeat the signal up to 30 times (1 minute)
for (ff50=0;ff50<100;ff50++) { // for 2 s generate 50 Hz
R_PORT = (1<<PIN_RL2); // Pin 2 over R_L to VCC, Pin 3 over R_L to GND
#ifdef TEST_SLEEP_MODE
sleep_5ms(2); // test of timing of sleep mode call
#else
wait10ms(); // normal delay
#endif
R_PORT = (1<<PIN_RL3); // Pin 3 over R_L to VCC, Pin 2 over R_L to GND
#ifdef TEST_SLEEP_MODE
sleep_5ms(2); // test of timing of sleep mode call
#else
wait10ms(); // normal delay
#endif
wdt_reset();
} /* end for ff50 */
if (!(RST_PIN_REG & (1<<RST_PIN))) {
// if key is pressed, don't repeat
break;
}
} /* end for ww */
#endif /* end FREQUENCY_50HZ */
lcd_clear();
lcd_MEM_string(VERSION_str); //"Version ..."
lcd_line2();
lcd_MEM_string(ATE); //"Selftest End"
PartFound = PART_NONE;
last_line_used = 2;
wait_for_key_5s_line2(); // wait up to 5 seconds and clear line 2
} /* end AutoCheck */
void ShowData(void) {
#ifdef WITH_ROTARY_SWITCH
show_page_1:
#endif
lcd_clear();
lcd_MEM2_string(VERSION_str); // "Version x.xxk"
lcd_line2();
lcd_MEM2_string(R0_str); // "R0="
DisplayValue(eeprom_read_byte(&EE_ESR_ZEROtab[2]),-2,' ',3);
DisplayValue(eeprom_read_byte(&EE_ESR_ZEROtab[3]),-2,' ',3);
DisplayValue(eeprom_read_byte(&EE_ESR_ZEROtab[1]),-2,LCD_CHAR_OMEGA,3);
#ifdef FOUR_LINE_LCD
lcd_line3();
#else
wait_for_key_ms(MIDDLE_WAIT_TIME);
#ifdef WITH_ROTARY_SWITCH
if (rotary.incre > FAST_ROTATION) return; // fast rotation ends the function
if (rotary.count < 0) goto show_page_1;
show_page_2:
#endif
lcd_clear();
#endif
/* output line 3 */
lcd_MEM_string(RIHI); // "RiHi="
DisplayValue(RRpinPL,-1,LCD_CHAR_OMEGA,3);
#ifdef FOUR_LINE_LCD
lcd_line4();
#else
lcd_line2();
#endif
/* output line 4 */
lcd_MEM_string(RILO); // "RiLo="
DisplayValue(RRpinMI,-1,LCD_CHAR_OMEGA,3);
wait_for_key_ms(MIDDLE_WAIT_TIME);
#ifdef WITH_ROTARY_SWITCH
if (rotary.incre > FAST_ROTATION) return; // fast rotation ends the function
#ifdef FOUR_LINE_LCD
if (rotary.count < 0) goto show_page_1;
#else
if (rotary.count < -1) goto show_page_1;
if (rotary.count < 0) goto show_page_2;
#endif
show_page_3:
#endif
lcd_clear();
lcd_MEM_string(C0_str); //output "C0 "
DisplayValue(eeprom_read_byte(&c_zero_tab[5]),0,' ',3); //output cap0 1:3
DisplayValue(eeprom_read_byte(&c_zero_tab[6]),0,' ',3); //output cap0 2:3
DisplayValue(eeprom_read_byte(&c_zero_tab[2]),-12,'F',3); //output cap0 1:2
lcd_line2();
lcd_space();
lcd_space();
lcd_space();
DisplayValue(eeprom_read_byte(&c_zero_tab[1]),0,' ',3); //output cap0 3:1
DisplayValue(eeprom_read_byte(&c_zero_tab[4]),0,' ',3); //output cap0 3:2
DisplayValue(eeprom_read_byte(&c_zero_tab[0]),-12,'F',3); //output cap0 2:1
#ifdef FOUR_LINE_LCD
lcd_line3();
#else
wait_for_key_ms(MIDDLE_WAIT_TIME);
#ifdef WITH_ROTARY_SWITCH
if (rotary.incre > FAST_ROTATION) return; // fast rotation ends the function
if (rotary.count < -2) goto show_page_1;
if (rotary.count < -1) goto show_page_2;
if (rotary.count < 0) goto show_page_3;
show_page_4:
#endif
lcd_clear();
#endif
/* output line 7 */
lcd_MEM2_string(REF_C_str); // "REF_C="
i2lcd((int16_t)eeprom_read_word((uint16_t *)(&ref_offset)));
#ifdef FOUR_LINE_LCD
lcd_line4();
#else
lcd_line2();
#endif
/* output line 8 */
lcd_MEM2_string(REF_R_str); // "REF_R="
i2lcd((int8_t)eeprom_read_byte((uint8_t *)(&RefDiff)));
wait_for_key_ms(MIDDLE_WAIT_TIME);
#ifdef WITH_ROTARY_SWITCH
if (rotary.incre > FAST_ROTATION) return; // fast rotation ends the function
#ifdef FOUR_LINE_LCD
if (rotary.count < -1) goto show_page_1;
if (rotary.count < 0) goto show_page_3;
#else
if (rotary.count < -3) goto show_page_1;
if (rotary.count < -2) goto show_page_2;
if (rotary.count < -1) goto show_page_3;
if (rotary.count < 0) goto show_page_4;
#endif
#endif
}