void update_display(int ser_fd)
{
lcd_line1(ser_fd);
char buffer[20];
sprintf(buffer, "%0.2f (%0.1f) %s", g_temperature_now, g_thermostat_temperature, g_last_state?"on ":"off");
write(ser_fd, &buffer[0], strlen(buffer));
}
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() */
/* ****************************************************************** */
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() */
int main(int argc, char **argv)
{
uint8_t mcusr;
char startupmsg[17];
startmain:
cli();
mcusr = MCUSR;
MCUSR = 0;
TOGGLE_BEGIN();
BSP_startmain(); /* Disables the watchdog timer. */
serial_init();
serial_send_rom(startup_message);
serial_drain();
SERIALSTR("*** Reset reason:");
if (mcusr & (1 << WDRF)) SERIALSTR(" WD");
if (mcusr & (1 << BORF)) SERIALSTR(" BO");
if (mcusr & (1 << EXTRF)) SERIALSTR(" EXT");
if (mcusr & (1 << PORF)) SERIALSTR(" PO");
SERIALSTR("\r\n");
twi_ctor();
timekeeper_ctor();
lcd_init();
// Show the startup reason on the LCD.
strcpy(startupmsg, "Startup: ----");
if (mcusr & (1<<3)) startupmsg[9] = 'W';
if (mcusr & (1<<2)) startupmsg[10] = 'B';
if (mcusr & (1<<1)) startupmsg[11] = 'X';
if (mcusr & (1<<0)) startupmsg[12] = 'P';
lcd_line1(startupmsg);
_delay_ms(500);
buttons_ctor();
alarm_ctor();
timedisplay_ctor();
timesetter_ctor();
/* Drain the serial output just before the watchdog timer is
reenabled. */
serial_drain();
/* Turn off interrrupts until we have initialised the rest of the
hardware, and after QF_run() has properly initialised the active
objects. Interrupts go back on in QF_onStartup() */
QF_INT_LOCK();
/* Initialize the BSP. Enables the watchdog timer. */
BSP_init();
QF_run();
goto startmain;
}
// check some EEprom values for correct values
void EE_check_init(void) {
#if (!defined(SamplingADC) || (PROCESSOR_TYP != 328)) && !defined(USE_EEPROM)
uint8_t tt; // read test value
tt = (uint8_t)eeprom_read_byte(&EE_ESR_ZEROtab[0]);
// this value will never be changed by calibration
if (tt != ESR_ZERO) goto init_ee;
#ifdef AUTO_CAL
uint8_t tt0; // value of first c_zero_tab
uint8_t ww; // loop counter
tt0 = tt; // init tt0 value
for (ww=0;ww<7;ww++) { //checking loop
tt = (uint8_t)eeprom_read_byte(&c_zero_tab[ww]);
if (ww == 0) tt0 = tt; // save first value
// for forth element, tt must be tt0 or tt0+1
if ((ww == 3) && ((tt != tt0) && (tt != (tt0+1)) && (tt != (tt0+2)) )) goto init_ee;
if ((tt > 190) || (tt < 10)) goto init_ee; // value too low or too big
}
#endif
return;
init_ee:
// init all EEprom values
lcd_line1();
lcd_data('E');
lcd_data('E');
#ifdef AUTO_CAL
// write the correction value for ADC internal 1.1V reference
(void) eeprom_write_byte((uint8_t *)(&RefDiff), (uint8_t)REF_R_KORR); // offset for true reference Voltage
// write the correction value for comparator 1.1V reference
(void) eeprom_write_word((uint16_t *)(&ref_offset), REF_C_KORR); // hold zero offset + slew rate dependend offset
// write all 7 c_zero_tab values
(void) eeprom_write_word((uint16_t *)(&c_zero_tab[0]),((C_NULL)*256) + (C_NULL));
(void) eeprom_write_byte((uint8_t *)(&c_zero_tab[2]),(C_NULL+TP2_CAP_OFFSET));
(void) eeprom_write_byte((uint8_t *)(&c_zero_tab[3]),(C_NULL+2));
(void) eeprom_write_byte((uint8_t *)(&c_zero_tab[4]),(C_NULL+TP2_CAP_OFFSET));
(void) eeprom_write_word((uint16_t *)(&c_zero_tab[5]),((C_NULL)*256) + (C_NULL));
#endif
// write 4 EE_ESR_ZEROtab values
(void) eeprom_write_word((uint16_t *)(&EE_ESR_ZEROtab[0]),(ESR_ZERO*256)+ESR_ZERO);
(void) eeprom_write_word((uint16_t *)(&EE_ESR_ZEROtab[2]),(ESR_ZERO*256)+ESR_ZERO);
#if ((LCD_ST_TYPE == 7565) || (LCD_ST_TYPE == 1306))
(void) eeprom_write_byte((uint8_t *)(&EE_Volume_Value), VOLUME_VALUE);
#endif
#ifdef WITH_ROTARY_SWITCH
// (void) eeprom_write_byte(&EE_RotarySwitch,0); // no switch is detected
#endif
wait_about1s(); // time to read the "EE" message, initialization of EEprom finished
#endif
}
void show_Resis13(void) {
uint8_t key_pressed;
message_key_released(RESIS_13_str); // "1-|=|-3 .."
#ifndef RMETER_WITH_L
lcd_set_cursor(0,6);
lcd_MEM_string(RL_METER_str); // " [R]" or "[RL]"
#endif
#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
GetResistance(TP3, TP1);
GetResistance(TP1, TP3);
lcd_line1(); // lcd_set_cursor(0,0);
if (ResistorsFound != 0) {
show_resis(TP1,TP3,1);
} else { /* no resistor found */
#ifdef RMETER_WITH_L
lcd_MEM_string(RESIS_13_str);
lcd_MEM_string(RL_METER_str+4); // " [R]" or "[RL]"
#endif
lcd_line2();
lcd_data('?'); // too big
#if LCD_LINES>2
lcd_next_line(0);
#endif
lcd_clear_line();
}
#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
#if defined(POWER_OFF)
times = Pwr_mode_check(times); // no time limit with DC_Pwr_mode
#endif
} /* end for times */
lcd_clear();
} /* end show_Resis13() */
/** Main routine for midi-link. **/
int main(void) {
/** Disable watchdog. **/
wdt_disable();
/** setbits for the LEDs. **/
// DDRC |= _BV(5);
DDRC |= _BV(4);
sr165_init();
lcd_init();
lcd_line1();
lcd_puts("HELO");
for (;;) {
uint16_t sr = sr165_read16();
lcd_line1();
lcd_putnumber16(sr);
}
/** Initialize UART. **/
uart_init();
usb_midi_init();
/** Initialize D12 pins and stack. **/
d12_pins_init();
d12_init();
/** Enable interrupts. **/
sei();
uint8_t uart_configured = 0;
for (;;) {
if (d12_device_is_configured() && (uart_configured == 0)) {
/* discard data in uart buffer */
while (uart_avail()) {
uart_getc();
}
uart_configured = 1;
}
if (uart_configured < 100) {
_delay_ms(10);
uart_configured++;
} else {
/** Handle midi from UART and from USB. **/
midi_link_main();
}
/** Handle usb status. **/
d12_main();
/* check ep2 again because of d12 bug */
uint8_t status;
do {
d12_read_cmd(D12_CMD_SELECT_EP + D12_MIDI_EP_OUT, &status, 1);
if ((status & 1) && d12_device_is_configured() && (uart_configured > 100)) {
handle_midi_ep_out();
}
} while (status & 1);
}
}
/* *************************************************** */
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 show_vext() {
#ifdef WITH_VEXT
uint8_t key_pressed;
uint8_t key_long_pressed;
unsigned int Vext;
// show the external voltage
message_key_released(VOLTAGE_str);
key_long_pressed = 0;
#ifdef POWER_OFF
uint8_t times;
for (times=0;times<240;times++)
#else
while (1) /* wait endless without option POWER_OFF */
#endif
{
#ifdef TPex2
lcd_line1(); // 2 Vext measurements
lcd_clear_line();
lcd_line1();
#else
lcd_line2(); // only one measurement use line 2
lcd_clear_line();
lcd_line2();
#endif /* TPex2 */
#ifdef WITH_UART
uart_newline(); // start of new measurement
uart_newline(); // start of new measurement
#endif
lcd_MEM_string(Vext_str); // Vext=
Vext = W5msReadADC(TPext); // read external voltage
// ADC_DDR = TXD_MSK; //activate Software-UART
#if EXT_NUMERATOR <= (0xffff/U_VCC)
DisplayValue(Vext*EXT_NUMERATOR/EXT_DENOMINATOR,-3,'V',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
#ifdef TPex2
lcd_line2();
lcd_clear_line();
lcd_line2();
#ifdef WITH_UART
uart_newline(); // start of new measurement
#endif
lcd_MEM_string(Vext_str); // Vext=
Vext = W5msReadADC(TPext); // read external voltage
#if EXT_NUMERATOR <= (0xffff/U_VCC)
DisplayValue(Vext*EXT_NUMERATOR/EXT_DENOMINATOR,-3,'V',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
#endif /* TPex2 */
key_pressed = wait_for_key_ms(1000);
#ifdef POWER_OFF
#ifdef WITH_ROTARY_SWITCH
if ((key_pressed > 0) || (rotary.incre > 0)) times = 0; // reset the loop counter, operator is active
if (rotary.incre > 5) break; // fast rotation ends voltage measurement
#else
if (key_pressed > 0) times = 0; //reset the loop counter, operator is active
#endif
#endif
if (key_pressed > ((1000/10)-6)) {
key_long_pressed++; // count the long key press
}
if (key_pressed == 0) key_long_pressed = 0; //reset the key long pressed counter
if (key_long_pressed > 4) break; // five seconds end the loop
} /* end for times */
#endif /* WITH_VEXT */
} /* end show_vext() */
//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 */
// not enough Flash space for ShowIcons at ATmega328
// Show all Icons on the screen, up to four at one screen
void ShowIcons(void) {
#define ShowTime 15000 /* 15 seconds wait time, or key press, or rotary encoder movement */
uint8_t cc;
lcd_clear();
lcd_big_icon(BJT_NPN|LCD_UPPER_LEFT);
lcd_update_icon_opt(bmp_vakdiode, OPT_VREVERSE);
lcd_big_icon(BJT_NPN|LCD_UPPER_RIGHT);
lcd_update_icon(bmp_pnp); // update for PNP
lcd_set_cursor(5,0);
lcd_MEM_string(NPN_str);
lcd_set_cursor(5,(LCD_LINE_LENGTH / 2));
lcd_MEM_string(PNP_str);
wait_for_key_ms(ShowTime);
lcd_clear();
lcd_big_icon(N_JFET|LCD_LOWER_LEFT);
lcd_big_icon(N_JFET|LCD_LOWER_RIGHT);
lcd_update_icon(bmp_p_jfet); // update to P_JFET
lcd_set_cursor(2,1);
lcd_data('N'); // N-Type
lcd_data('-');
lcd_MEM_string(jfet_str);
lcd_set_cursor(2,1+(LCD_LINE_LENGTH / 2));
lcd_data('P'); // P-Type
lcd_data('-');
lcd_MEM_string(jfet_str);
wait_for_key_ms(ShowTime);
lcd_clear();
lcd_big_icon(N_E_IGBT|LCD_UPPER_LEFT);
lcd_big_icon(N_E_IGBT|LCD_UPPER_RIGHT);
lcd_update_icon(bmp_p_e_igbt); // update to P-E-IGBT
lcd_set_cursor(5,0);
lcd_data('N'); // N-Type
lcd_data('-');
lcd_data('E'); // Enhancement Type
lcd_MEM_string(igbt_str);
lcd_set_cursor(6,(LCD_LINE_LENGTH / 2));
lcd_data('P'); // P-Type
lcd_data('-');
lcd_data('E'); // Enhancement Type
lcd_MEM_string(igbt_str);
wait_for_key_ms(ShowTime);
lcd_clear();
lcd_big_icon(N_E_IGBT|LCD_LOWER_LEFT);
lcd_update_icon(bmp_n_d_igbt); // update to N-D-IGBT
lcd_big_icon(N_E_IGBT|LCD_LOWER_RIGHT);
lcd_update_icon(bmp_p_d_igbt); // update to P-D-IGBT
lcd_set_cursor(1,0);
lcd_data('N'); // N-Type
lcd_data('-');
lcd_data('D'); // Depletion Type
lcd_MEM_string(igbt_str);
lcd_set_cursor(2,(LCD_LINE_LENGTH / 2));
lcd_data('P'); // P-Type
lcd_data('-');
lcd_data('D'); // Depletion Type
lcd_MEM_string(igbt_str);
wait_for_key_ms(ShowTime);
lcd_clear();
lcd_big_icon(N_E_MOS|LCD_UPPER_LEFT);
lcd_big_icon(N_E_MOS|LCD_UPPER_RIGHT);
lcd_update_icon(bmp_p_e_mos); // update to P-E-MOS
lcd_set_cursor(5,0);
lcd_data('N'); // N-Type
lcd_data('-');
lcd_data('E'); // Enhancement Type
lcd_MEM_string(mosfet_str);
lcd_set_cursor(6,(LCD_LINE_LENGTH / 2));
lcd_data('P'); // P-Type
lcd_data('-');
lcd_data('E'); // Enhancement Type
lcd_MEM_string(mosfet_str);
wait_for_key_ms(ShowTime);
lcd_clear();
lcd_big_icon(N_E_MOS|LCD_LOWER_LEFT);
lcd_update_icon(bmp_n_d_mos); // update to N-D-MOS
lcd_big_icon(N_E_MOS|LCD_LOWER_RIGHT);
lcd_update_icon(bmp_p_d_mos); // update to P-D-MOS
lcd_set_cursor(1,1);
lcd_data('N'); // N-Type
lcd_data('-');
lcd_data('D'); // Depletion Type
lcd_MEM_string(mosfet_str);
lcd_set_cursor(2,1+(LCD_LINE_LENGTH / 2));
lcd_data('P'); // P-Type
lcd_data('-');
lcd_data('D'); // Depletion Type
lcd_MEM_string(mosfet_str);
wait_for_key_ms(ShowTime);
#if (ICON_ELEMENTS == 14)
lcd_clear();
lcd_big_icon(TRIAC|LCD_UPPER_LEFT);
lcd_big_icon(THYRISTOR|LCD_UPPER_RIGHT);
wait_for_key_ms(ShowTime);
lcd_clear();
lcd_big_icon(INDUCTOR|LCD_LOWER_LEFT);
lcd_big_icon(CAPACITOR|LCD_LOWER_RIGHT);
lcd_big_icon(RESISTOR|LCD_UPPER_LEFT);
lcd_big_icon(RESISTORS|LCD_UPPER_RIGHT);
wait_for_key_ms(ShowTime);
lcd_clear();
lcd_big_icon(DIODE_C_A|LCD_UPPER_LEFT);
lcd_big_icon(DIODES_C_A_C_A|LCD_UPPER_RIGHT);
lcd_big_icon(DIODES_A_C_C_A|LCD_LOWER_LEFT);
lcd_big_icon(DIODES_C_A_A_C|LCD_LOWER_RIGHT);
wait_for_key_ms(ShowTime);
#endif
lcd_clear();
lcd_line1();
lcd_MEM_string(Resistor_str); // -[=]-
lcd_line2();
lcd_MEM_string(Inductor_str); // -ww-
lcd_line3();
lcd_MEM_string(CapZeich); // capacitor sign
lcd_line4();
lcd_MEM_string(AnKat_str); //"->|-"
lcd_space();
lcd_MEM_string(KatAn_str); //"-|<-"
// show character set
for (cc=0;cc<(0x7f-0x20);cc++) {
if ((cc%16) == 0) {
// begin new line
if((cc%64) == 0) {
wait_for_key_ms(ShowTime);
lcd_clear();
}
lcd_set_cursor(((cc/16)%4)*2,0);
}
lcd_data(cc+0x20);
} /* end for cc */
wait_for_key_ms(ShowTime);
lcd_clear();
#ifdef LCD_CYRILLIC
for (cc=0;cc<((Cyr_ja+1-Cyr_B)+(Cyr_schtsch+1-Cyr_D));cc++) {
if ((cc%16) == 0) {
// begin new line
lcd_set_cursor(((cc/16)%4)*2,0);
}
if (cc <= (Cyr_ja-Cyr_B))
{
lcd_data(cc + Cyr_B);
} else {
lcd_data(cc + Cyr_D - (Cyr_ja + 1 - Cyr_B));
}
} /* end for cc */
wait_for_key_ms(ShowTime);
lcd_clear();
#endif
}
/* ****************************************************************** */
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 GetFrequency(uint8_t range) {
unsigned char taste; // set if key is pressed during measurement
#if PROCESSOR_TYP == 644
unsigned long freq_count; // the counted pulses in 1 second
#endif
unsigned long long ext_period;
unsigned long freq_from_per;
uint8_t ii;
uint8_t mm;
/* range has set the lowest bit to use the 16:1 frequency divider permanently. */
/* The upper bits of range specifies the input selection. */
/* 0 = external input, 2 = channel 2, 4 = HF Quartz, 6 = LF Quartz */
#if PROCESSOR_TYP == 644
FDIV_DDR |= (1<<FDIV_PIN); //switch to output
if ((range & 0x01) == 0) {
FDIV_PORT &= ~(1<<FDIV_PIN); // switch off the 16:1 divider
} else {
FDIV_PORT |= (1<<FDIV_PIN); // use frequency divider for next measurement
}
FINP_DDR |= (1<<FINP_P0) | (1<<FINP_P1); // switch both pins to output
FINP_PORT &= ~(1<<FINP_P0); // clear lower bit of input selection
FINP_PORT &= ~(1<<FINP_P1); // clear higher bit of input selection
if (range == 0) {
message_key_released(FREQ_str); // Frequency: in line 1
} else if (range == 1) {
message_key_released(HFREQ_str); // High Frequency: in line 1
} else if (range < 4) { /* 2+3 */
FINP_PORT |= (1<<FINP_P0); // set lower bit of input selection
FINP_PORT &= ~(1<<FINP_P1); // clear higher bit of input selection
} else if (range < 6) { /* 4+5 */
FINP_PORT &= ~(1<<FINP_P0); // clear lower bit of input selection
FINP_PORT |= (1<<FINP_P1); // set higher bit of input selection
message_key_released(H_CRYSTAL_str); // HF Quarz: in line 1
} else { /* 6+7 */
FINP_PORT |= (1<<FINP_P0); // set lower bit of input selection
FINP_PORT |= (1<<FINP_P1); // set higher bit of input selection
message_key_released(L_CRYSTAL_str); // LF Quarz: in line 1
}
#else
message_key_released(FREQ_str); // Frequency: in line 1
#endif
taste = 0; // reset flag for key pressed
for (mm=0;mm<240;mm++) {
// *************************************************************************
// *********** straight frequency measurement by counting 1 second *********
// *************************************************************************
//set up Counter 0
// Counter 0 is used to count the external signal connected to T0 (PD4 or PB0)
FREQINP_DDR &= ~(1<<FREQINP_PIN); // switch frequency pin to input
wait1ms(); // let capacitor time to load to 2.4V input
#if PROCESSOR_TYP == 1280
TCCR3A = 0; // normal operation, no output
TCNT3 = 0; // set counter 3 to zero
ext_freq.dw = 0; // set external frequency to zero
TIFR3 = (1<<TOV3); // clear OV interrupt of timer 3
TIMSK3 = (1<<TOIE3); // enable OV interrupt of timer 3
#else
TCCR0A = 0; // normal operation, no output
TCNT0 = 0; // set counter to zero
ext_freq.dw = 0; // set external frequency to zero
TIFR0 = (1<<TOV0); // clear OV interrupt of timer 0
TIMSK0 = (1<<TOIE0); // enable OV interrupt of timer 0
#endif
// start counter after starting second counter timer 1
// set up counter 1 to measure one second
TCCR1A = 0; // normal operation
#define CNT1_END_VAL ((F_CPU / 256UL) + 1)
#define CNT1_DIVIDER (1<<CS12)
#if CNT1_END_VAL > 0xffff
#undef CNT1_END_VAL
#undef CNT1_DIVIDER
#define CNT1_END_VAL ((F_CPU / 1024UL) + 1)
#define CNT1_DIVIDER ((1<<CS12) | (1<<CS10))
#if F_CPU != ((F_CPU / 1024UL) * 1024UL)
#warning F_CPU can not be divided by 1024, measured frequency is wrong!
#endif
#else
#if F_CPU != ((F_CPU / 256UL) * 256UL)
#warning F_CPU can not be divided by 256, measured frequency is wrong!
#endif
#endif
OCR1B = CNT1_END_VAL; // set to 1 second (counter 0 is started with 1)
OCR1A = 1; // start counter 0 with first count
TCNT1 = 0; // set counter to zero
GTCCR |= (1<<PSRSYNC); // reset clock precounter
TIFR1 = (1<<OCF1B) | (1<<OCF1A); // clear Output compare match
TIMSK1 = (1<<OCIE1B) | (1<<OCIE1A); // enable the Compare A match and Compare B match interrupt
sei(); // set interrupt enable
TCCR1B = CNT1_DIVIDER; // divide CPU clock by 256, start counter
// both counter are running now, wait for counter 1 reach OCR1A
for (ii=0;ii<50;ii++) {
wait20ms(); // first count of counter 1 (<32us) has started the counter 0
wdt_reset();
if (!(RST_PIN_REG & (1<<RST_PIN))) taste = 1; // user request stop of operation
#if PROCESSOR_TYP == 1280
if (TCCR3B == 0) break; // timer 3 is stopped by interrupt
#else
if (TCCR0B == 0) break; // timer 0 is stopped by interrupt
#endif
}
// one second is counted
#if PROCESSOR_TYP == 1280
TCCR3B = 0; // stop timer 3, if not stopped by timer 1 compare interrupt
ext_freq.w[0] = TCNT3; // add lower 16 bit to get total counts
#else
TCCR0B = 0; // stop timer 0, if not stopped by timer 1 compare interrupt
ext_freq.b[0] = TCNT0; // add lower 8 bit to get total counts
#endif
#if PROCESSOR_TYP == 644
freq_count = ext_freq.dw; // save the frequency counter
#endif
#if (LCD_LINES > 3)
lcd_line3();
lcd_clear_line();
lcd_line4();
lcd_clear_line();
lcd_clear_line2();
#else
lcd_clear(); // clear total display
#endif
lcd_data('f');
lcd_equal(); // lcd_data('=');
#if PROCESSOR_TYP == 644
if ((FDIV_PORT&(1<<FDIV_PIN)) == 0) {
Display_Hz(ext_freq.dw, 7);
} else {
// frequency divider is activ
Display_Hz(ext_freq.dw*FREQ_DIV, 7);
}
#else
Display_Hz(ext_freq.dw, 7);
#endif
#if PROCESSOR_TYP == 644
lcd_space();
if ((FDIV_PORT&(1<<FDIV_PIN)) != 0) {
lcd_data('/'); // Frequency divider is activ
} else {
lcd_space(); // Frequency divider is not activ
}
#endif
FREQINP_DDR &= ~(1<<FREQINP_PIN); // switch frequency pin to input
if (TCCR1B != 0) {
// Exact 1000ms period is only with "end of period" from timer1 interrupt.
// When stopped with the for loop, the time is too long because wait call does not
// respect CPU time used for interrupts and loop itself.
// For this case show ? behind the Hz.
lcd_data('?');
}
TCCR1B = 0; // stop timer 1
TIMSK1 = 0; // disable all timer 1 interrupts
if ((ext_freq.dw < FMAX_PERIOD) && (ext_freq.dw > 0)) {
// *************************************************************************
// ******** Period measurement by counting some periods ********************
// *************************************************************************
pinchange_max = ((10 * (unsigned long)ext_freq.dw) + MHZ_CPU) / MHZ_CPU; // about 10000000 clock tics
pinchange_max += pinchange_max; // * 2 for up and down change
FREQINP_DDR &= ~(1<<FREQINP_PIN); // switch frequency pin to input
wait1ms(); // let capacitor time to load to 2.4V input
#if PROCESSOR_TYP == 1280
TCNT3 = 0; // set counter 3 to zero
ext_freq.dw = 0; // reset counter to zero
TIFR3 = (1<<TOV3); // clear OV interrupt
TIMSK3 = (1<<TOIE3); // enable OV interrupt
// counter 3 ist started with first pin change interrupt
pinchange_count = 0;
EICRB = (0<<ISC61) | (1<<ISC60); // set int6 pin change
EIFR |= (1<<INTF6); // clear interrupt 6 flag
PCMSK_FREQ |= (1<<PCINT_FREQ); // enable int6
#else
TCNT0 = 0; // set counter 0 to zero
ext_freq.dw = 0; // reset counter to zero
TIFR0 = (1<<TOV0); // clear OV interrupt
TIMSK0 = (1<<TOIE0); // enable OV interrupt
// counter 0 ist started with first pin change interrupt
pinchange_count = 0;
PCIFR = (1<<PCI_CLEAR_BIT); // clear Pin Change Status
PCICR |= (1<<PCI_ENABLE_BIT); // enable pin change interrupt
#endif
sei();
PCMSK_FREQ |= (1<<PCINT_FREQ); // monitor PD4 PCINT20 or PB0 PCINT8 pin change
for (ii=0;ii<250;ii++) {
wait20ms();
wdt_reset();
if (!(RST_PIN_REG & (1<<RST_PIN))) taste = 1; // user request stop of operation
if ((PCMSK_FREQ & (1<<PCINT_FREQ)) == 0) break; // monitoring is disabled by interrupt
} /* end for ii */
#if PROCESSOR_TYP == 1280
TCCR3B = 0; // stop counter 3
PCMSK_FREQ &= ~(1<<PCINT_FREQ); // disable int6
ext_freq.w[0] = TCNT3; // add lower 16 bit to get total counts
#else
TCCR0B = 0; // stop counter 0
PCMSK_FREQ &= ~(1<<PCINT_FREQ); // stop monitor PD4 PCINT20 or PB0 PCINT8 pin change
PCICR &= ~(1<<PCI_ENABLE_BIT); // disable the interrupt
ext_freq.b[0] = TCNT0; // add lower 8 bit to get total counts
#endif
// lcd_clear_line2();
// wait50ms(); // let LCD flicker to
#if (LCD_LINES > 3)
lcd_line3(); // use line3 to report the period with 4-line LCD
#else
lcd_line2(); // report period on line 2 of 2-line LCD
#endif
lcd_data('T');
lcd_equal(); // lcd_data('=');
ext_period = ((unsigned long long)ext_freq.dw * (200000/MHZ_CPU)) / pinchange_max;
#if PROCESSOR_TYP == 644
if ((FDIV_PORT&(1<<FDIV_PIN)) != 0) {
// frequency divider is activ, period is measured too long
ext_period = ext_period / FREQ_DIV;
}
#endif
if (pinchange_max > 127) {
DisplayValue(ext_period,-11,'s',7); // show period converted to 0.01ns units
} else {
//prevent overflow of 32-Bit
DisplayValue((unsigned long)(ext_period/100),-9,'s',7); // show period converted to 1ns units
}
if (ii == 250) {
lcd_data('?'); // wait loop has regular finished
} else {
if (ext_period > 249500) {
#if (LCD_LINES > 3)
lcd_line4(); // use line 4 of 4-line LCD to report the computed frequency
#else
lcd_line1(); // overwrite line 1 of 2-line LCD to report the computed frequency
#endif
lcd_data('f');
lcd_equal(); // lcd_data('=');
if (ext_period > 1000000000) {
// frequency in 0.000001Hz (1e11*1e6)/(0.01ns count)
freq_from_per = (unsigned long long)(100000000000000000) / ext_period;
DisplayValue(freq_from_per,-6,'H',7); // display with 0.000001 Hz resolution
} else {
// prevent unsigned long overflow, scale to 0.0001 Hz
// frequency in 0.0001Hz (1e11*1e4)/(0.01ns count)
freq_from_per = (unsigned long long)(1000000000000000) / ext_period;
DisplayValue(freq_from_per,-4,'H',7); // display with 0.0001 Hz resolution
}
lcd_data('z');
FREQINP_DDR &= ~(1<<FREQINP_PIN); // switch frequency pin to input
}
}
} /* end if 1 < ext_freq < FMAX_PERIOD */
#if PROCESSOR_TYP == 644
if ((FDIV_PORT & (1<<FDIV_PIN)) == 0) {
// frequency divider is not activ
if ( ((freq_count >= FMAX_PERIOD) && (freq_count < ((unsigned long)FMAX_PERIOD*FREQ_DIV))) ||
(freq_count > FMAX_INPUT) ){
FDIV_PORT |= (1<<FDIV_PIN); // use frequency divider for next measurement
}
} else {
// frequency divider is activ
if ((freq_count < (FMAX_PERIOD/FREQ_DIV)) && ((range & 0x01) == 0)) {
FDIV_PORT &= ~(1<<FDIV_PIN); // switch off the 16:1 divider
}
}
#endif
// taste += wait_for_key_ms(SHORT_WAIT_TIME/2);
TIMSK0 = 0; // disable all timer 0 interrupts
taste += wait_for_key_ms(2000);
#ifdef WITH_ROTARY_SWITCH
if ((taste != 0) || (rotary.incre > 2)) break;
#else
if (taste != 0) break;
#endif
} /* end for mm */
return;
} // end GetFrequency()
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 */
