PMM-328 32 Bit Dynamic Link Libraries User Manual
Contents
1. 0 all active PMM modules have finished the measurement 1 the measurement is still running at least in one PMM module no modules are waiting for an external trigger 2 at least one module is waiting for the external trigger The PMM_read_status function returns the current status of a particular PMM module The most important status bits delivered by the function are listed below see also PMM_DEF H ARMED MEASURE CT_EXP CT_OV OVFL_1 OVFL_2 OVFL_3 OVFL_4 OVFL_5 OVFL_6 OVFL_7 OVFL_8 0x1 module is armed 0x2 module collects data Armed and Triggered 0x40 collection timer expired 0 0x80 collection timer overflow 0x100 overflow on counter 1 0x200 overflow on counter 2 0x400 overflow on counter 3 0x800 overflow on counter 4 0x1000 overflow on counter 5 0x2000 overflow on counter 6 0x4000 overflow on counter 7 0x8000 overflow on counter 8 PMM start_measure starts the measurement in all active PMM modules with the parameters set before by the EMN init PMM_set_parameters or PMM_set_parameter functions The measurement starts to collect photons in subsequent points in PMM memory from the address START_PTR The measurement stops when the memory pointer reaches END_PTR i e after recording End_ptr Start_ptr 1 points PMM_stop_measure is used to stop the measurement by a software command In the figures below some block diagrams of some simple measurement routines are given PMM_init change module pa2. mod_no It is a low level procedure that is called also during the initialisation in PMM_init The procedure returns a module type value if the id is correct Possible module type values are defined in the pmm_def h file 19 Input parameters mod_no module number 0 3 active pointer to gate polarity variable Return value 0 no errors lt 0 error code see pmm_def h The procedure performs a trigger test and counter test in the PMM module mod_no and determines the state of the gate polarity jumpers Possible values of the active variable after the test is listed below hardware error detected gate polarity unknown 0 test OK gate polarity active high 1 test OK gate polarity active low 2 hardware error detected Probably jumper missing check the module and insert the missing jumper In case of a return value lt O the function PMM_get_test_error_string can get additional information on test error The error string is prepared during the test execution Important The input signals must be disconnected from the module inputs during the test Input parameters error_string pointer to error message string Return value lt 0 last error code see pmm_def h The procedure fills error_string with the internal DLL string generated during the last execution of the PMM_test_counter or PMM_init function Error string contains detailed information on a counter test error or a DAC test
3. The value of the specified parameter is transferred to the internal data structures of the DLL functions and to the PMM module mod_no The new parameter value is recalculated according to the parameter limits and hardware restrictions e g DAC resolution Furthermore cross dependencies between different parameters are taken into account to ensure the correct hardware operation It is recommended to read back the parameters after setting to get their real values after recalculation The parameters BASE_ADR and ACTIVE cannot be changed They can be changed only by a new ini_file and aPMM init call The par_id values are defined in pmm_def h file as PMM_PARAMETERS_KEYWORDS 14 Input parameters mod_no module number 0 3 eep_data pointer to result structure Return value 0 no errors lt 0 error code see pmm_def h The structure eep_data is filled with the contents of the EEPROM of the PMM module specified by mod_no The EEPROM contains production data and adjust parameters of the module The structure PMM_EEP_Data is defined in the file pmm_def h Normally the EEPROM data need not be read explicitly because the EEPROM is read during PMM_init and the module type information and the adjust values are taken into account when the PMM module registers are loaded short CVICDECL PMM_write_eeprom_data short mod_no unsigned short write_enable EMN EEE Data eep_data Input parameters mod_no module number 0 3 wri
4. 0 2 0 2V and default value 0 1V inp_threshold_1 0 1 input threshold level of channel 1 inp_threshold_2 0 1 input threshold level of channel 2 inp_threshold_3 0 1 input threshold level of channel 3 inp_threshold_4 0 1 input threshold level of channel 4 inp_threshold_5 0 1 input threshold level of channel 5 inp_threshold_6 0 1 input threshold level of channel 6 inp_threshold_7 0 1 input threshold level of channel 7 inp_threshold_8 0 1 input threshold level of channel 8 collect_time 1 s collection time in seconds default 1 0 sec 0 25 mikrosec 100000 sec start_ptr 0 start point of collection O default 32767 end_ptr 0 end point of collection start_ptr default 32767 pmm_modulel PMM module hardware parameters base_adr 0x280 base I O address 0 Ox3FC active 0 module not active cannot be used pmm_module2 PMM module 2 hardware parameters base_adr 0x2a0 sbase I O address 0 Ox3FC active 0 module not active cannot be used pmm_module3 PMM module 3 hardware parameters base_adr 0x2c0 sbase I O address 0 Ox3FC active 0 module not active cannot be used After a PMM_ init call we recommend to check which PMM modules are active by calling PMM _test_if_active function At least one module must be active and only active modules can be operated further It is recommended but not required to check also the initialisation status PMM_get_init_sta
5. Description The procedure sends all parameters from the PMMdata structure to the internal DLL structures and to the control registers of the PMM module mod_no The new parameter values are recalculated according to the parameter limits and hardware restrictions e g DAC resolution Furthermore cross dependencies between different parameters are taken into account to ensure the correct hardware operation It is recommended to read back the parameters after setting to get their real values after recalculation The values of base_adr init and active are not changed They can be changed only by a new ini_file an a PMM_init call If an error occurs at a particular parameter the procedure does not set the rest of the parameters and returns with an error code 13 Input parameters mod_no module number 0 3 par_id parameter identification number see pmm_def h value pointer to the parameter value Return value 0 no errors lt 0 error code see pmm_def h The procedure loads value with the actual value of the requested parameter from the DLL internal data structures of the module mod_no The par_id values are defined in pmm_def h file as PMM_PARAMETERS_KEYWORDS Input parameters mod_no module number 0 3 par_id parameter identification number value new parameter value Return value 0 no errors lt 0 error code see pmm_def h The procedure sets the specified hardware parameter
6. error code see pmm_def h Description After calling the PMM_init function see above the measurement parameters from the initialisation file are present in the module and in the internal data structures of the DLLs To give the user access to the parameters the function PMM_get_parameters is provided This function transfers the parameter values of the module mod_no from the internal structures 12 of the DLL into a structure of the type PMMdata see pmm_def h which has to be defined by the user The parameter values in this structure are described below short base_adr short init short active short test_eep short meas_mode short enable_meas short trigger float gate_level float inp_threshold 8 float collect_time unsigned short start_ptr unsigned short end_ptr unsigned short count 8 I O base address set to initialisation result code most of the library functions are executed only when module is active not 0 test EEPROM checksum on start up or not measurement mode measurement enabled disabled 1 0 external trigger condition none 0 active low 1 active high 2 gate discriminator level input threshold level of channels 1 8 collection time interval memory start pointer memory end pointer last value read from photon counter 1 8 Input parameters mod_no module number 0 3 data pointer to parameters structure type PMMdata see pmm_def h Return value 0 no errors lt 0 error code see pmm_def h
7. procedure reads the PMM memory from the address from up to the current memory pointer Then it reads the last not finished point value directly from the counter Finally the procedure sets the points_read variable to a value equal to the number of points collected from the start of the measurement Please make sure that the buffer buf is allocated with enough memory for the required number of points to from 1 short CVICDECL PMA_ get_ADC_value short mod_no short chan_no unsigned short value Input parameters mod_no module number 0 3 chan_no ADC channel number 0 31 value pointer to a variable which to be set with ADC value Return value 0 no errors lt 0 error code see pmm_def h The procedure is intended for use with PMA modules only a version of the PMM 328 with an additional 32 channel multiplexed ADC It sets the input multiplexer to the desired input channel chan_no 0 31 waits until the multiplexer output has settled starts the AD conversion and reads the result from the ADC The range of the result is 8192 to 8191 for all input voltage ranges The procedure fills the value variable with the value read from the ADC connected to the input channel chan_no on the PMA module mod_no Input parameters mod_no module number 0 3 Return value on success module type on error lt 0 error code The procedure is used to check the identification code of PMM module
8. Becker amp Hickl GmbH Nahmitzer Damm 12277 Berlin Tel 49 30 787 56 32 Fax 49 30 787 57 34 email info becker hickl de http www becker hickl de pmmdll32 doc PMM 328 32 Bit Dynamic Link Libraries User Manual Version 1 0 December 98 Introduction The PMM 32 bits Dynamic Link Library contains all functions to control the PMM 328 and PMA 328 modules The functions work under Windows 95 and Windows NT The program which calls the DLLs must be compiled with the compiler option Structure Alignment set to 1 Byte The distribution disks contain the following files PMMDLL32 DLL dynamic link library main file PMMDLL32 LIB import library file for Microsoft Visual C C Borland C C Watcom C C and Symantec C C compilers PMM_DEF H Include file containing Types definitions Functions Prototypes and Pre processor statements PMM328 INI PMM DLL initialisation file PMMDLL32 DOC This description file USE_PMM XXX Set of files to compile and run a simple example of using PMM DLL functions The source file of the example is the file use_pmm c The example was originally prepared under Borland C C v 4 52 For use in other compilers choose the correct import library file to link There is no special installation procedure required Simply execute the setup program from the Ist distribution diskette and follow its instructions PMM DLL Functions list The following functions are implemented in the PMM DLL Init
9. EXP 0x40 collection timer expired 0 CT_OV 0x80 collection timer overflow OVFL_1 0x 100 overflow in counter 1 OVFL_2 0x200 overflow in counter 2 OVFL_3 0x400 overflow in counter 3 OVFL_4 0x800 overflow in counter 4 OVFL_5 0x1000 overflow in counter 5 OVFL_6 0x2000 overflow in counter 6 OVFL_7 0x4000 overflow in counter 7 OVFL_8 0x8000 overflow in counter 8 The function is a low level procedure which is normally used only to test whether an overflow occurred during the measurement and to get additional information about the PMM module state To control the measurement the PMM_test_if_busy function is recommended Input parameters none Return value 0 no errors lt 0 error code see pmm_def h The procedure is used to start the measurement Before a measurement is started by PMM_start_measure the parameters on all active modules must be set PMM_init or PMM_set_parameter s the measurement must be enabled in all requested modules parameter ENABLE_MEAS must be set by PMM_set_parameter START_PTR and END_PTR must be set to define the number of points to be measured The measurement stops the when the memory pointer reaches END_PTR i e after collecting End_ptr Start_ptr 1 points 17 Input parameters none Return value 0 no errors lt 0 error code see pmm_def h PMM_stop_measure is used to stop the measurement by a software command short CVICDECL PMM fill_memory short mod_no short channel unsigned short fr
10. IT_OK 0 no error INIT_NOT_DONE 1 initialisation not done INIT_WRONG_EEP_CHKSUM 2 wrong EEPROM checksum INIT_WRONG_MOD_ID 3 wrong module identification code INIT_WRONG_BASE_ADR 4 not unique base address INIT_WRONG_SYNC_ADR 5 sync address equal to base address INIT_WRONG_COUNTER 6 counter test failed INIT_WRONG_DACS 7 DAC s test failed In case of hardware test errors values INIT_WRONG_COUNTER or INIT_WRONG_DACS the function PMM_get_test_error_string gives additional information on the test error Input parameters adr pointer to the sync address Return value 0 no errors lt 0 error code see pmm_def h Description The procedure loads the adr variable with the actual sync address value 10 The Sync address is common for all active modules and is used to synchronously start and stop all modules The procedure returns an error if the sync address has not the same value for all modules Input parameters mod_no module number 0 3 adr new value of sync address Return value 0 no errors lt 0 error code see pmm_def h Description The procedure sets the sync address value to adr The Sync address is common for all active modules and is used to synchronously start stop all modules The procedure checks for conflicts with I O addresses used by the active PMM modules and if there are no conflicts changes the sync address The procedure should be used only if the actual sync address set during th
11. al trigger condition none 0 default active low 1 active high 2 gate_level 0 2 discriminator level for gate signal 0 2V 0 2V default 0 2 trig_level 1 0 trigger level for 1 0V 1 0V default 1 0 all input thresholds have range 0 2 0 2V and 8 default value 0 1V inp_threshold_1 0 1 input threshold level of channel 1 inp_threshold_2 0 1 input threshold level of channel 2 inp_threshold_3 0 1 input threshold level of channel 3 inp_threshold_4 0 1 input threshold level of channel 4 inp_threshold_5 0 1 input threshold level of channel 5 inp_threshold_6 0 1 input threshold level of channel 6 inp_threshold_7 0 1 input threshold level of channel 7 inp_threshold_8 0 1 input threshold level of channel 8 collect_time 1 collection time in seconds default 1 0 sec 0 25 mikrosec 100000 sec start_ptr 0 Start point of collection O default 32767 end_ptr 0 end point of collection start_ptr default 32767 pmm_modulel PMM module 1 hardware parameters base_adr 0x280 base I O address 0 Ox3FC active 0 smodule not active cannot be used pmm_module2 PMM module 2 hardware parameters base_adr 0x2a0 sbase I O address 0 Ox3FC active 0 smodule not active cannot be used pmm_module3 PMM module 3 hardware parameters base_adr 0x2c0 sbase I O address 0 Ox3FC active 0 smodule not active cannot be used After a PMM_init ca
12. ameter values to the PMM control registers on each active PMM module performs a hardware test of each active PMM module The initialisation file is an ASCII file with a structure shown in the table below Each module has its own section in the initialisation file pmm_module0 3 Only modules which have an entry active 1 are initialised We recommend either to use the file pmm328 ini or to start with pmm328 ini and to introduce the desired changes PMM328 initialisation file PMM parameters have to be included in ini file only when parameter value is different from default module section pmm_module0 3 is required for each existing PMM module pmm_base simulation 0 0 hardware mode default gt 0 simulation mode see pmm_def h for possible values base_sync_adr 0x398 sync_adr will be set on all active modules to start stop collection of photons 0 Ox3FC default 0x398 pmm_modulel PMM module 1 hardware parameters 3 base_adr 0x380 sbase I O address 0 Ox3FC default 0x380 active 1 module active can be used default 0 not active enable_meas 1 enable disable 1 0 measurement default enable trigger 0 external trigger condition none 0 default active low 1 active high 2 gate_level 0 2 discriminator level for gate signal 0 2V 0 2V default 0 2 trig_level 1 0 trigger level for 1 0V 1 0V default 1 0 all input thresholds have range
13. djpara The function is used to set the module adjust parameters to values other than the values from the EEPROM The new adjust values will be used until the next call of PMM_init The next call to PMM_init replaces the adjust parameters by the values from the EEPROM We strongly discourage to use modified adjust parameters because the module function can be seriously corrupted The structure PMM_Adjust_Para is defined in the file pmm_def h Input parameters busy pointer to result value Return value 0 no errors lt 0 error code see pmm_def h PMM_test_if_busy sets a busy variable according to the current state of the measurement The function is used to control the measurement loop after starting the measurement The current state of all active modules is taken into account Possible values of busy are listed below 0 all active PMM modules finished the measurement 1 the measurement is still running at least in one PMM module no modules are waiting for the trigger 2 at least one module is waiting for the trigger 16 Input parameters mod_no module number 0 3 status pointer to result value Return value 0 no errors lt 0 error code see pmm_def h The PMM_read_status function returns the current status of PMM module mod_no The most important status bits delivered by the function are listed below see also PMM_DEF H ARMED 0x1 module is armed MEASURE 0x2 module collects data Armed and Triggered CT_
14. e initialisation to a value taken from ini_file causes conflicts with other devices Input parameters none Return value current mode of DLL operation Description The procedure returns the current mode of DLL operation hardware or simulation Possible mode values are defined in the pmm_def h file define PMM_ HARD 0 hardware mode define PMM_SIMUL328 30 simulation mode of PMM328 define PMA_SIMUL328 40 simulation mode of PMA328 11 Input parameters mode mode of DLL operation Return value 0 no errors lt 0 error code see pmm_def h Description The procedure is used to change the mode of the DLL operation between the hardware mode and the simulation mode It is a low level procedure and not intended to normal use It is used to switch the DLL to the simulation mode if hardware errors occur during the initialisation Use the function PMM_get_mode to check which mode is actually set Possible mode values are defined in the pmm_def h file Input parameters mod_no module number 0 3 version pointer to the version variable Return value 0 no errors lt 0 error code see pmm_def h Description The procedure loads the version variable with the FPGA version of the module specified by mod_no This is low a level procedure not needed normally Input parameters mod_no module number 0 3 data pointer to result structure type PMMdata Return value 0 no errors lt 0
15. error during PMM_ init After a call to PMM_get_test_error_string DLL s internal error string is empty 20 21
16. ialisation functions PMM_ init PMM_test_if_active PMM_get_init_status PMM_get_sync_adr PMM_set_sync_adr PMM_get_mode PMM_set_mode PMM_get_version Setup functions PMM_get_parameter PMM_set_parameter PMM_get_parameters PMM_set_parameters PMM_get_eeprom_data PMM write_eeprom_data EMN get_adjust_parameters PMM_set_adjust_parameters Status functions PMM_test_if_busy PMM read_status Measurement control functions PMM_start_measure PMM_stop_measure PMM transfer functions PMM_fill_ memory PMM_read_data PMA_get_ADC_value for PMA modules only Test functions PMM_test_id PMM_test_counter PMM_get_test_error_string Application Guide Initialisation of the PMM Measurement Parameters Before a measurement is started the measurement parameter values must be written into the internal structures of the DLL functions not directly visible from the user program and sent to the control registers of the PMM module This is accomplished by the function PMM_ init The PMM DLL Functions can control up to four PMM modules All modules can be synchronously started and stopped The PMM init function reads the parameter values from a specified initialisation file checks the sync_adr and base I O addresses for all active modules to avoid hardware conflicts checks and recalculates the parameters depending on the hardware restrictions and the adjust parameters from the EEPROM on each active PMM module sends the par
17. ll we recommend to check which PMM modules are active by calling PMM_test_if_active function minimum one module must be active and only active modules can be operated further It is reasonable also to check the initialisation status PMM_get_init_status of each used module The initialisation status can show the reason of a wrong initialisation see pmm_def h for possible values In case of hardware test errors values INIT_WRONG_COUNTER or INIT_WRONG_DACS the function PMM_get_test_error_string delivers additional information Input parameters mod_no module number 0 3 Return value 0 module mod_no not active cannot be used 1 module mod_no active Description The procedure returns information whether the module specified by mod_no is active or not A module is set active only if there is the entry active 1 in the respective module section in the ini_file As a result of a wrong initialisation PMM_init function a module can be deactivated In this case a the PMM_get_init_status function can explain the reason of deactivating the module Input parameters mod_no module number 0 3 ini_status pointer to the initialisation status Return value 0 no errors lt 0 error code see pmm_def h Description The procedure loads the ini_status variable with the initialisation result code set by the function PMM init for module mod_no The possible values are shown below see also pmm_def h IN
18. om unsigned short to unsigned long fill_value Input parameters mod_no module number 0 3 channel channel number 0 7 all channels 1 from Ist address to fill 0 to 32767 to last address to fill from to 32767 fill_ value value written into the PMM memory Return value 0 no errors lt 0 error code see pmm_def h The procedure is used to fill a specified part of the memory of the PMM module mod_no with the value DI value short CVICDECL PMM_read_data short mod_no short channel unsigned short from unsigned short to unsigned short buf unsigned short points_read Input parameters mod_no module number 0 3 channel channel number 0 7 from Ist address to read 0 to 32767 to last address to read from to 32767 buf pointer to a data buffer to be filled with channel data points_read pointer to a variable which will be set with number of read points Return value 0 no errors lt 0 error code see pmm_def h The procedure is used to read measurement results from the channel number channel on PMM module mod_no The number of points read 16 bit counter values depends on the state of the measurement 18 If the measurement is already finished or not started yet the procedure reads the PMM memory from the address from to the address to and sets the points_read variable to the value to from 1 If the measurement is still running the
19. ort count 8 last value read from photon counter 1 8 To send the complete parameter set back to the DLLs and to the PMM module e g after changing parameter values the function PMM_set_parameters is used This function checks and if required recalculates all parameter values due to cross dependencies and hardware restrictions Therefore it is recommended to read the parameter values after calling PMM_set_parameters by PMM_get_parameters Single parameter values can be transferred to or from the DLL and module level by the functions PMM_set_parameter and PMM_get_parameter To identify the desired parameter the parameter identification par_id is used The parameter identification keywords are defined in pmm_def h Memory Configuration The memory is organised in two banks which contain the data for 8 channels The channel data are 16 bit counter values The measurement memory length 32768 words for each counter channel Memory Read Write Functions Reading the memory of the PMM module is accomplished by the function PMM_read_data To fill the memory with a constant value or to clear the memory the function PMM fill_memory is available Standard Measurements The most important measurement functions are listed below The PMM_test_if_busy function is used to control the measurement loop It sets a busy variable according to the current state of the measurement The state of all active modules is taken into account in the return value
20. rameters if required enable measurement ENABLE_MEAS 1 set START_PTR set END_PTR PMM_start_measure PMM_test_if_busy 0 1 2 finished still running wait for trigger PMM_read_data PMM_read_status check for possible overflow Figl Multiscaler measurement without accumulation PMM_init change module parameters if required enable measurement ENABLE_MEAS 1 set START_PTR set END_PTR PMM_start_measure PMM_test_if_busy 0 1 2 finished still running wait for trigger PMM_read_data Add sweep data to PC memory buffers last sweep No Yes PMM_read_status check for possible overflow ready Fig 2 Multiscaler Measurement with software accumulation Error Handling Each PMM DLL function returns an error status Return values gt 0 indicate error fee execution A value lt 0 indicates that an error occurred during execution The meaning of a particular error code can be found in pmm_def h file We recommend to check the return value after each function call Description of the PMM DLL Functions Input parameters ini_file pointer to a string containing the name of the initialisation file in use including file name and extension Return value 0 no errors lt 0 error code Description Before a measurement is started the measurement parameter values must be written into the internal structures of the DLL functions not directly visible from the user program and sent
21. te_enable write enable password eep_data pointer to result structure Return value 0 no errors lt 0 error code see pmm_def h The function is used to write data to the EEPROM of an PMM module mod_no by the manufacturer To prevent corruption of the adjust data by not allowed access the function writes data to the EEPROM only if the write_enable password is correct short CVICDECL PMM_get_adjust_parameters short mod_no PMM_Adjust_Para adjpara Input parameters mod_no module number 0 3 adjpara pointer to result structure Return value 0 no errors lt 0 error code see pmm_def h 15 The structure adjpara is filled with adjust parameters that are currently in use The parameters can either be previously loaded from the EEPROM by EMN init or PMM_get_eeprom_data or not recommended set by PMM_set_adust_parameters The structure PMM_Adjust_Para is defined in the file pmm_def h Normally the adjust parameters need not be read explicitly because the EEPROM is read during PMM_init and the adjust values are taken into account when the PMM module registers are loaded short CVICDECL PMM_set_adjust_parameters short mod_no PMM_Adjust_Para adjpara Input parameters mod_no module number 0 3 adjpara pointer to result structure Return value 0 no errors lt 0 error code see pmm_def h The adjust parameters in the internal DLL structures not in the EEPROM are set to values from the structure a
22. to the control registers of the PMM module This is accomplished by the function PMM_ init The function reads the parameter values from the specified file ini_file checks sync_adr and base I O addresses for all active modules to avoid hardware conflicts checks and recalculates the parameters depending on hardware restrictions and adjust parameters from the EEPROM in each active PMM module sends the parameter values to the PMM control registers of each active PMM module performs a hardware test of each active PMM module The initialisation file is an ASCII file with a structure shown in the table below We recommend either to use the file pmm328 ini or to start with pmm328 ini and introduce the desired changes PMM328 initialisation file PMM parameters have to be included in ini file only when parameter value is different from default module section pmm_module0 3 is required for each existing PMM module pmm_base simulation 0 0 hardware mode default gt 0 simulation mode see pmm_def h for possible values base_sync_adr 0x398 sync_adr will be set on all active modules to start stop collection of photons 0 Ox3FC default 0x398 pmm_module1 PMM module 1 hardware parameters base_adr 0x380 sbase I O address 0 Ox3FC default 0x380 active 1 module active can be used default 0 not active enable_meas 1 enable disable 1 0 measurement default enable trigger 0 extern
23. tus of each used module In case of a wrong initialisation the initialisation status shows the reason of the error see pmm_def h for possible values In case of hardware test errors values INIT_WRONG_COUNTER or INIT_WRONG_DACS the function PMM_get_test_error_string returns additional information about the error After calling the PMM_init function the measurement parameters from the initialisation file are present in the module control registers and in the internal data structures of the DLLs To give the user access to the parameters the function PMM_get_parameters is provided This function transfers the parameter values from the internal structures of the DLLs into a structure of the type PMMdata see pmm_def h which has to be defined by the user The parameter values in this structure are described below short base_adr T O base address short init set to initialisation result code short active most of the library functions are executed only when module is active not 0 short test_eep test EEPROM checksum on start up or not short meas_mode measurement mode short enable_meas measurement enabled disabled 1 0 short trigger external trigger condition none 0 active low 1 active high 2 float gate_level gate discriminator level float inp_threshold 8 input threshold level of channels 1 8 float collect_time collection time interval unsigned short start_ptr memory start pointer unsigned short end_ptr memory end pointer unsigned sh
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