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config.h
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/* ************************************************************************
*
* global configuration, setup and settings
*
* (c) 2012-2021 by Markus Reschke
* based on code from Markus Frejek and Karl-Heinz Kübbeler
*
* ************************************************************************ */
/* source management */
#define CONFIG_H
/*
* For MCU specific settings (port and pin assignments) and display
* settings please edit also:
* - ATmega328: config_328.h
* - ATmega324/644/1284: config_644.h
* - ATmega640/1280/2560: config_1280.h
*/
/* ************************************************************************
* Hardware options
* ************************************************************************ */
/*
* rotary encoder for user interface
* - default pins: PD2 & PD3 (ATmega 328)
* - could be in parallel with LCD module
* - see ENCODER_PORT in config-<MCU>.h for port pins
* - uncomment to enable and also set ENCODER_PULSES & ENCODER_STEPS below
* to match your rotary encoder
*/
//#define HW_ENCODER
/*
* Number of Gray code pulses per step or detent for the rotary encoder
* - typical values: 2 or 4, rarely 1
* - a rotary encoder's pulse is the complete sequence of 4 Gray code pulses
* - adjust value to match your rotary encoder
*/
#define ENCODER_PULSES 4
/*
* Number of detents or steps
* - this is used by the detection of the rotary encoder's turning velocity
* - it doesn't have to match exactly and also allows you to finetune the
* the feedback (higher: slow down, lower: speed up)
* - typical values: 20, 24 or 30
* - adjust value to match your rotary encoder
*/
#define ENCODER_STEPS 24
/*
* increase/decrease push buttons for user interface
* - alternative for rotary encoder
* - see KEY_PORT in config-<MCU>.h for port pins
* - uncomment to enable
*/
//#define HW_INCDEC_KEYS
/*
* 2.5V voltage reference for Vcc check
* - default pin: PC4 (ATmega 328)
* - should be at least 10 times more precise than the voltage regulator
* - see TP_REF in config-<MCU>.h for port pin
* - uncomment to enable and also adjust UREF_25 below for your voltage
* reference
*/
//#define HW_REF25
/*
* Typical voltage of 2.5V voltage reference (in mV)
* - see datasheet of the voltage reference
* - or use >= 5.5 digit DMM to measure the voltage
*/
#define UREF_25 2495
/*
* Probe protection relay for discharging caps
* - default pin: PC4 (ATmega 328)
* - low signal: short circuit probe pins
* high signal via external reference: remove short circuit
* - see TP_REF in config_<MCU>.h for port pin
* - uncomment to enable
*/
//#define HW_DISCHARGE_RELAY
/*
* Zener check / voltage measurement up to 50V DC
* - default pin: PC3 (ATmega 328)
* - uses voltage divider (standard: 10:1)
* - DC-DC boost converter controlled by test push button
* - see TP_ZENER in config_<MCU>.h for port pin
* - uncomment to enable
*/
//#define HW_ZENER
/*
* non-standard voltage divider for Zener check
* - standard voltage divider is 10:1
* - ZENER_R1: top resistor in Ohms
* - ZENER_R2: bottom resistor in Ohms
* - uncomment to enable and adjust resistor values
*/
//#define ZENER_DIVIDER_CUSTOM
#define ZENER_R1 180000
#define ZENER_R2 20000
/*
* alternative mode for Zener check: don't switch boost converter
* - when the DC-DC boost converter runs all the time
* - when measuring an external voltage (circuit without boost converter)
* - uncomment to enable
*/
//#define ZENER_UNSWITCHED
/*
* Zener check during normal probing
* - requires boost converter running all the time (ZENER_UNSWITCHED)
* - uncomment to enable
* - The min/max voltages are meant for the detection of a valid Zener voltage.
* The min. voltage should be higher than the noise floor, while the max.
* voltage should be lower than the boost converter's output voltage.
*/
//#define HW_PROBE_ZENER
#define ZENER_VOLTAGE_MIN 1000 /* min. voltage in mV */
#define ZENER_VOLTAGE_MAX 30000 /* max. voltage in mV */
/*
* fixed signal output
* - in case the MCU's OC1B pin is wired as dedicated signal output
* instead of driving the Rl probe resistor for test pin #2
* - uncomment to enable
*/
//#define HW_FIXED_SIGNAL_OUTPUT
/*
* basic frequency counter
* - default pin: T0 (PD4 ATmega 328)
* - uses T0 directly as frequency input
* - counts up to 1/4 of MCU clock rate
* - might be in parallel with LCD module
* - uncomment to enable
*/
//#define HW_FREQ_COUNTER_BASIC
/*
* extended frequency counter
* - low and high frequency crystal oscillators
* and buffered frequency input
* - prescalers 1:1 and 16:1 (32:1)
* - uses T0 directly as frequency input
* - see COUNTER_CTRL_PORT in config-<MCU>.h for port pins
* - requires a display with more than 2 text lines
* - uncomment to enable
* - select the circuit's prescaler setting: either 16:1 or 32:1
*/
//#define HW_FREQ_COUNTER_EXT
#define FREQ_COUNTER_PRESCALER 16 /* 16:1 */
//#define FREQ_COUNTER_PRESCALER 32 /* 32:1 */
/*
* ring tester (LOPT/FBT tester)
* - uses T0 directly as counter input
* - uncomment to enable
* - select the pulse output: either dedicated pin or probes
* - see RINGTESTER_PORT in config-<MCU>.h for dedicated pin
*/
//#define HW_RING_TESTER
#define RING_TESTER_PIN /* dedicated pin */
//#define RING_TESTER_PROBES /* probes */
/*
* event counter
* - default pin: T0 (PD4 ATmega 328)
* - uses T0 directly as event/pulse input (rising edge)
* - no shared operation with displays possible for T0
* - requires additional keys (e.g. rotary encoder) and a display with
* more than 5 lines
* - only for MCU clock of 8, 16 or 20MHz
* - uncomment to enable
*/
//#define HW_EVENT_COUNTER
/*
* trigger output for event counter
* - uses probe #2 as trigger output, probes #1 and #3 are Gnd
* - sets trigger output to high while counting
* - uncomment to enable
*/
//#define EVENT_COUNTER_TRIGGER_OUT
/*
* IR remote control detection/decoder (via dedicated MCU pin)
* - requires IR receiver module, e.g. TSOP series
* - module is connected to fixed I/O pin
* - see IR_PORT in config-<MCU>.h for port pin
* - uncomment to enable
* - for additional protocols also enable SW_IR_RX_EXTRA
*/
//#define HW_IR_RECEIVER
/*
* fixed cap for self-adjustment
* - see TP_CAP and ADJUST_PORT in config-<MCU>.h for port pins
* - uncomment to enable
*/
//#define HW_ADJUST_CAP
/*
* L/C meter hardware option
* - uses T0 directly as frequency input
* - see LC_CTRL_PORT in config-<MCU>.h for port pins
* - uncomment to enable
*/
//#define HW_LC_METER
/*
* L/C meter: value of reference capacitor C_p (in 0.1 pF)
* - should be around 1000pF
*/
#define LC_METER_C_REF 10000
/*
* L/C meter: also display frequency of LC oscillator
* - helps to spot the oscillator's frequency drifting
* - requires display with more than two text lines
* - uncomment to enable
*/
//#define LC_METER_SHOW_FREQ
/*
* relay for parallel cap (sampling ADC)
* - uncomment to enable (not implemented yet)
*/
//#define HW_CAP_RELAY
/*
* Logic Probe
* - see TP_LOGIC in config_<MCU>.h for dedicated port pin
* - uses voltage divider (standard: 4:1, R1=10k, R2=3.3k, up to 20V)
* - LOGIC_PROBE_R1: top resistor in Ohms
* - LOGIC_PROBE_R2: bottom resistor in Ohms
* - requires additional keys (e.g. rotary encoder) and a display
* with more than 4 lines
* - uncomment to enable and adjust resistor values
*/
//#define HW_LOGIC_PROBE
#define LOGIC_PROBE_R1 10000
#define LOGIC_PROBE_R2 3300
/*
* Buzzer
* - see BUZZER_CTRL in config_<MCU>.h for port pin
* - uncomment to enable
*/
//#define HW_BUZZER
/*
* MAX6675 thermocouple converter
* - see MAX6675_CS in config_<MCU>.h for dedicated port pin
* - requires SPI bus and SPI read support
* - uncomment to enable
*/
//#define HW_MAX6675
/*
* MAX31855 thermocouple converter
* - see MAX31855_CS in config_<MCU>.h for dedicated port pin
* - requires SPI bus and SPI read support
* - uncomment to enable
*/
//#define HW_MAX31855
/* ************************************************************************
* software options
* ************************************************************************ */
/*
* PWM generator with simple user interface
* - signal output via OC1B
* - uncomment to enable
*/
#define SW_PWM_SIMPLE
/*
* PWM generator with fancy user interface
* - signal output via OC1B
* - requires additional keys and display with more than 2 text lines
* - uncomment to enable
*/
//#define SW_PWM_PLUS
/*
* PWM generator: show also pulse duration
* - duration based on timer's resolution
* - uncomment to enable
*/
//#define PWM_SHOW_DURATION
/*
* Inductance measurement
* - uncomment to enable
*/
#define SW_INDUCTOR
/*
* ESR measurement
* - requires MCU clock >= 8 MHz
* - choose SW_OLD_ESR for old method starting at 180nF
* - uncomment to enable
*/
#define SW_ESR
//#define SW_OLD_ESR
/*
* ESR Tool (in-circuit ESR measurement)
* - requires SW_ESR or SW_OLD_ESR to be enabled
* - uncomment to enable
*/
//#define SW_ESR_TOOL
/*
* check for rotary encoders
* - uncomment to enable
*/
//#define SW_ENCODER
/*
* squarewave signal generator
* - signal output via OC1B
* - requires additional keys
* - uncomment to enable
*/
#define SW_SQUAREWAVE
/*
* IR remote control detection/decoder (via probes)
* - requires IR receiver module, e.g. TSOP series
* - module will be connected to probe leads
* - uncomment to enable
*/
#define SW_IR_RECEIVER
/*
* current limiting resistor for IR receiver module
* - for 5V only modules
* - Warning: any short circuit may destroy your MCU
* - uncomment to disable resistor
*/
//#define SW_IR_DISABLE_RESISTOR
/*
* additional protocols for IR remote control detection/decoder
* - uncommon protocols which will increase flash memory usage ;)
* - uncomment to enable
*/
//#define SW_IR_RX_EXTRA
/*
* IR remote control sender
* - signal output via OC1B
* - requires additional keys and display with more than 4 text lines
* - also requires an IR LED with a simple driver
* - uncomment to enable
*/
//#define SW_IR_TRANSMITTER
/*
* Alternative delay loop for IR remote control sender
* - in case the the C compiler screws up the default delay loop
* and causes incorrect pulse/pause timings
* - uncomment to enable
*/
//#define SW_IR_TX_ALTDELAY
/*
* additional protocols for IR remote control sender
* - uncommon protocols which will increase flash memory usage ;)
* - uncomment to enable
*/
//#define SW_IR_TX_EXTRA
/*
* check for opto couplers
* - uncomment to enable
*/
#define SW_OPTO_COUPLER
/*
* check for Unijunction Transistor
* - uncomment to enable
*/
#define SW_UJT
/*
* check for Schottky Transistor (Schottky-clamped BJT)
* - uncomment to enable
*/
#define SW_SCHOTTKY_BJT
/*
* Servo Check
* - signal output via OC1B
* - requires additional keys and display with more than 2 text lines
* - uncomment to enable
*/
//#define SW_SERVO
/*
* DS18B20 - OneWire temperature sensor
* - uncomment to enable
* - also enable ONEWIRE_PROBES or ONEWIRE_IO_PIN (see section 'Busses')
*/
//#define SW_DS18B20
/*
* OneWire: read and display ROM code
* - option for OneWire related tools
* - requires display with more than 2 text lines
* - uncomment to enable
*/
//#define ONEWIRE_READ_ROM
/*
* scan OneWire bus for devices and list their ROM codes
* - requires display with more than 2 text lines
* - uncomment to enable
* - also enable ONEWIRE_PROBES or ONEWIRE_IO_PIN (see section 'Busses')
*/
//#define SW_ONEWIRE_SCAN
/*
* capacitor leakage check
* - requires display with more than two lines
* - uncomment to enable
*/
//#define SW_CAP_LEAKAGE
/*
* display reverse hFE for BJTs
* - hFE for collector and emitter reversed
* - uncomment to enable
*/
//#define SW_REVERSE_HFE
/*
* display I_C/I_E test current for hFE measurement
* - I_C for common emitter circuit
* I_E for common collector circuit
* - uncomment to enable
*/
//#define SW_HFE_CURRENT
/*
* R/C/L monitors
* - monitor passive components connected to probes #1 and #3
* - monitors for L require SW_INDUCTOR to be enabled
* - for ESR either SW_ESR or SW_OLD_ESR needs to be enabled
* - uncomment to enable (one or more)
*/
//#define SW_MONITOR_R /* just R */
//#define SW_MONITOR_C /* just C plus ESR */
//#define SW_MONITOR_L /* just L */
//#define SW_MONITOR_RCL /* R plus L, or C plus ESR */
//#define SW_MONITOR_RL /* R plus L */
/*
* DHT11, DHT22 and compatible humidity & temperature sensors
* - uncomment to enable
*/
//#define SW_DHTXX
/*
* display font for test purposes
* - uncomment to enable
*/
//#define SW_FONT_TEST
/*
* check resistor for matching E series norm value
* - requires a display with more than 2 text lines
* - color-code mode requires a color graphics display
* - uncomment to enable (one or more)
*/
//#define SW_R_E24_5_T /* E24 5% tolerance, text */
//#define SW_R_E24_5_CC /* E24 5% tolerance, color-code */
//#define SW_R_E24_1_T /* E24 1% tolerance, text */
//#define SW_R_E24_1_CC /* E24 1% tolerance, color-code */
//#define SW_R_E96_T /* E96 1% tolerance, text */
//#define SW_R_E96_CC /* E96 1% tolerance, color-code */
//#define SW_R_E96_EIA96 /* E96 1% tolerance, EIA-96 code */
/*
* check capacitor for matching E series norm value
* - requires a display with more than 2 text lines
* - uncomment to enable (one or more)
*/
//#define SW_C_E6_T /* E6 20% tolerance, text */
//#define SW_C_E12_T /* E12 10% tolerance, text */
/*
* check inductor for matching E series norm value
* - requires a display with more than 2 text lines
* - uncomment to enable (one or more)
*/
//#define SW_L_E6_T /* E6 20% tolerance, text */
//#define SW_L_E12_T /* E12 10% tolerance, text */
/*
* continuity check
* - requires buzzer (HW_BUZZER)
* - uncomment to enable
*/
//#define SW_CONTINUITY_CHECK
/* ************************************************************************
* workarounds for some testers
* ************************************************************************ */
/*
* Disable hFE measurement with common collector circuit and Rl as
* base resistor.
* - problem:
* hFE values are way too high.
* - affected testers:
* Hiland M644 (under investigation)
* - uncomment to enable
*/
//#define NO_HFE_C_RL
/* ************************************************************************
* workarounds for some IDEs
* ************************************************************************ */
/*
* Oscillator startup cycles (after wakeup from power-safe mode):
* - typical values
* - internal RC: 6
* - full swing crystal: 16384 (also 256 or 1024 based on fuse settings)
* - low power crystal: 16384 (also 256 or 1024 based on fuse settings)
* - Please change value if it doesn't match your tester!
*/
#ifndef OSC_STARTUP
#define OSC_STARTUP 16384
#endif
/* ************************************************************************
* user interface
* ************************************************************************ */
/*
* Language of user interface. Available languages:
* - English (default)
* - Czech (based on ISO 8859-1)
* - Czech 2 (with Czech characters based on ISO 8859-2)
* - Danish
* - German
* - Polish (based on ISO 8859-1)
* - Polish 2 (with Polish characters based on ISO 8859-2)
* - Spanish
* - Romanian
* - Russian (with cyrillic characters based on Windows-1251)
* - Russian 2 (with cyrillic characters based on Windows-1251)
*/
#define UI_ENGLISH
//#define UI_CZECH
//#define UI_CZECH_2
//#define UI_DANISH
//#define UI_GERMAN
//#define UI_ITALIAN
//#define UI_POLISH
//#define UI_POLISH_2
//#define UI_ROMANIAN
//#define UI_RUSSIAN
//#define UI_RUSSIAN_2
//#define UI_SPANISH
/*
* Use comma instead of dot to indicate a decimal fraction.
* - uncomment to enable
*/
//#define UI_COMMA
/*
* Display temperatures in Fahrenheit instead of Celsius.
* - uncomment to enable
*/
//#define UI_FAHRENHEIT
/*
* Display hexadecimal values in uppercase instead of lowercase
* - uncomment to enable
*/
//#define UI_HEX_UPPERCASE
/*
* Set the default operation mode to auto-hold.
* - instead of continous mode
* - uncomment to enable
*/
//#define UI_AUTOHOLD
/*
* Trigger the menu also by a short circuit of all three probes.
* - former default behaviour
* - uncomment to enable
*/
//#define UI_SHORT_CIRCUIT_MENU
/*
* Show key hints instead of cursor if available.
* - currently only "Menu/Test"
* - requires additional keys and display with a sufficient number of
* text lines (recommended: >= 8 lines)
* - uncomment to enable
*/
//#define UI_KEY_HINTS
/*
* Enter menu to select adjustment profile after powering on.
* - uncomment to enable
*/
//#define UI_CHOOSE_PROFILE
/*
* Add a third profile for adjustment values.
* - uncomment to enable
*/
//#define UI_THREE_PROFILES
/*
* Output components found also via TTL serial interface.
* - uncomment to enable
* - also enable SERIAL_BITBANG or SERIAL_HARDWARE (see section 'Busses')
*/
//#define UI_SERIAL_COPY
/*
* Control tester via TTL serial interface.
* - uncomment to enable
* - also enable SERIAL_BITBANG or SERIAL_HARDWARE, plus SERIAL_RW
* (see section 'Busses')
*/
//#define UI_SERIAL_COMMANDS
/*
* Maximum time to wait after probing (in ms).
* - applies to continuous mode only
* - Time between printing the result and starting a new probing cycle.
*/
#define CYCLE_DELAY 3000
/*
* Maximum number of probing runs without any component found in a row.
* - applies to continuous mode only
* - If this number is reached the tester will power off.
* - When set to zero the tester will run only once and turn off
* after CYCLE_DELAY.
* - When set to 255 this feature will be disabled and the tester runs
* until it's powered off manually.
*/
#define CYCLE_MAX 5
/*
* Automatic power-off when no button is pressed for a while (in s).
* - applies to auto-hold mode only
* - uncomment to enable, also adjust timeout (in s)
*/
//#define POWER_OFF_TIMEOUT 60
/*
* component symbols for fancy pinout
* - for 3-pin semiconductors
* - requires graphics display and symbol bitmap
* - uncomment to enable
*/
#define SW_SYMBOLS
/*
* color coding for probes
* - requires color graphics display
* - uncomment to enable
* - edit colors.h to select correct probe colors
* (COLOR_PROBE_1, COLOR_PROBE_2 and COLOR_PROBE_3)
*/
#define UI_PROBE_COLORS
/*
* colored titles
* - requires color graphics display
* - edit colors.h to select prefered color (COLOR_TITLE)
* - uncomment to enable
*/
//#define UI_COLORED_TITLES
/*
* colored cursor and key hints
* - requires color graphics display
* - edit colors.h to select prefered color (COLOR_CURSOR)
* - uncomment to enable
*/
//#define UI_COLORED_CURSOR
/*
* automatically exit main menu after running function/tool
* - uncomment to enable
*/
#define UI_MAINMENU_AUTOEXIT
/*
* main menu: power off tester
* - uncomment to enable
*/
//#define SW_POWER_OFF
/*
* Round some values if appropriate.
* - for
* - DS18B20 (0.1 °C/F)
* - uncomment to enable
*/
//#define UI_ROUND_DS18B20
/*
* storage of firmware data (texts, tables etc)
* - self-adjustment data is always stored in EEPROM
* - fonts and symbols are always stored in Flash
* - uncomment one
*/
#define DATA_EEPROM /* store data in EEPROM */
//#define DATA_FLASH /* store data in Flash */
/* ************************************************************************
* power management
* ************************************************************************ */
/*
* type of power switch
* - soft-latching power switch (default)
* - as in the tester's reference circuit
* - tester is able to power itself off
* - manual power switch
* - tester isn't able to power itself off
* - enable one
*/
#define POWER_SWITCH_SOFT
//#define POWER_SWITCH_MANUAL
/*
* Battery monitoring mode:
* - BAT_NONE disable battery monitoring completely
* - BAT_DIRECT direct measurement of battary voltage (< 5V)
* - BAT_DIVIDER measurement via voltage divider
* - uncomment one of the modes
*/
//#define BAT_NONE
//#define BAT_DIRECT
#define BAT_DIVIDER
/*
* Unmonitored optional external power supply
* - Some circuits supporting an additional external power supply are designed
* in a way that prevents the battery monitoring to measure the voltage of
* the external power supply. This would trigger the low battery shut-down.
* The switch below will prevent the shut-down when the measured voltage is
* below 0.9V (caused by the diode's leakage current).
* - uncomment to enable
*/
//#define BAT_EXT_UNMONITORED
/*
* Voltage divider for battery monitoring
* - BAT_R1: top resistor in Ohms
* - BAT_R2: bottom resistor in Ohms
* - standard values are: R1=10k, R2=3.3k
*/
#define BAT_R1 10000
#define BAT_R2 3300
/*
* Voltage drop by reverse voltage protection diode and power management
* transistor (in mV):
* - or any other circuitry in the power section
* - Get your DMM and measure the voltage drop!
* - Schottky diode about 200mV / PNP BJT about 100mV.
*/
#define BAT_OFFSET 290
/*
* Battery weak voltage (in mV).
* - Tester warns if BAT_WEAK is reached.
* - Voltage drop BAT_OFFSET is considered in calculation.
*/
#define BAT_WEAK 7400
/*
* Battery low voltage (in mV).
* - Tester powers off if BAT_LOW is reached.
* - Voltage drop BAT_OFFSET is considered in calculation.
*/
#define BAT_LOW 6400
/*
* Enter sleep mode when idle to save power.
* - uncomment to enable
*/