'****************************************************************************
'Module HP3458
'This module contains I/O subroutines for the HP3458.
'
'The following parameters must be present in param.inc.
'gpibinP%, the GPIB input file number
'gpiboutP%, the GPIB output file number
'hp3458addrP%, the HP3458 GPIB address
'****************************************************************************

'Open the parameter file
REM $INCLUDE: 'param.inc'

SUB hp3458getntv (n%, v!())

'****************************************************************************
'This returns the values from n voltage readings spaced t seconds apart.
'
'Input:
' n%, the number of voltage samples
'
'Output:
' v!(0 to n%-1), the measured voltages
'
'Inputs from param.inc:
' gpibinP%, GPIB input file number
' gpiboutP%, GPIB output file number
' hp3458addrP%, the HP3458 GPIB address
'
'Zachary Wolf
'2/3/95
'****************************************************************************

'Get the GPIB I/O file numbers and the HP3458 address from the parameters
gpibin% = gpibinP%
gpibout% = gpiboutP%
hp3458addr% = hp3458addrP%

'Put the address number into a string
hp3458addr$ = STR$(hp3458addr%)

'Set the GPIB terminators
PRINT #gpibout%, "TERM IN CR LF"
PRINT #gpibout%, "TERM OUT CR LF EOI"

'Make sure the meter is ready for instructions
bit4% = 0
WHILE bit4% = 0
 SLEEP 1
 PRINT #gpibout%, "SPOLL " + hp3458addr$
 INPUT #gpibin%, status%
 bit4% = INT(status% / 16) MOD 2
' PRINT status%, bit4%
WEND

'Turn off the input buffer
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";INBUF OFF"

'Check for errors
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";ERR?"
PRINT #gpibout%, "ENTER " + hp3458addr$
INPUT #gpibin%, er%
'PRINT "err? = "; er%
IF er% <> 0 THEN
 PRINT : PRINT "HP3458, ERR = "; er%
 PRINT "HP3458 Problem, Re-run program!!!"
 EXIT SUB
END IF

'Get the readings
FOR i% = 0 TO n% - 1
 PRINT #gpibout%, "ENTER " + hp3458addr$
 INPUT #gpibin%, v!(i%)
NEXT i%

END SUB

SUB hp3458init

'****************************************************************************
'This subroutine resets the HP3458.  It then does some simple checks.
'
'Zachary Wolf
'2/22/94, 2/2/95
'****************************************************************************

'Get the GPIB I/O file numbers and the HP3458 address from the parameters
gpibin% = gpibinP%
gpibout% = gpiboutP%
hp3458addr% = hp3458addrP%

'Put the address number into a string
hp3458addr$ = STR$(hp3458addr%)

'Set the GPIB terminators
PRINT #gpibout%, "TERM IN CR LF"
PRINT #gpibout%, "TERM OUT CR LF EOI"

'Message
PRINT
PRINT "Resetting the hp3458..."

'Clear the hp3458
PRINT #gpibout%, "CLEAR " + hp3458addr$

'Preset
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";PRESET NORM"

'Display the ID
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";ID?"
PRINT #gpibout%, "ENTER " + hp3458addr$
LINE INPUT #gpibin%, id$
PRINT id$

END SUB

SUB hp3458ntv (n%, t!, v!())

'****************************************************************************
'This subroutine takes n voltage readings spaced t seconds apart and returns
'the values.
'
'Input:
' n%, the number of voltage samples
' t!, the time between voltage samples
'
'Output:
' v!(0 to n%-1), the measured voltages
'
'Inputs from param.inc:
' gpibinP%, GPIB input file number
' gpiboutP%, GPIB output file number
' hp3458addrP%, the HP3458 GPIB address
'
'Zachary Wolf
'2/3/95
'****************************************************************************

'Get the GPIB I/O file numbers and the HP3458 address from the parameters
gpibin% = gpibinP%
gpibout% = gpiboutP%
hp3458addr% = hp3458addrP%

'Put the address number into a string
hp3458addr$ = STR$(hp3458addr%)

'Set the GPIB terminators
PRINT #gpibout%, "TERM IN CR LF"
PRINT #gpibout%, "TERM OUT CR LF EOI"

'Preset the HP3458
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";PRESET"

'Measure DC Volts
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";FUNC DCV"

'Set the voltage range
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";RANGE 10."

'Set the A/D integration time
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";NPLC 1"

'Turn off the autozero
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";AZERO OFF"

'Turn off the display
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";DISP OFF"

'Set the timer
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";TIMER " + STR$(t!)
'PRINT "t = "; t!

'Send the readings to the memory
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";MEM FIFO"

'Set up the trigger
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";TARM AUTO"
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";NRDGS " + STR$(n%) + ", TIMER"

'Turn on the input buffer
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";INBUF ON"

'Trigger the readings
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";TRIG SGL"

'Make sure the meter is ready for instructions
bit4% = 0
WHILE bit4% = 0
 SLEEP 1
 PRINT #gpibout%, "SPOLL " + hp3458addr$
 INPUT #gpibin%, status%
 bit4% = INT(status% / 16) MOD 2
' PRINT status%, bit4%
WEND

'Turn off the input buffer
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";INBUF OFF"

'Check for errors
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";ERR?"
PRINT #gpibout%, "ENTER " + hp3458addr$
INPUT #gpibin%, er%
'PRINT "err? = "; er%
IF er% <> 0 THEN
 PRINT : PRINT "HP3458, ERR = "; er%
 PRINT "HP3458 Problem, Re-run program!!!"
 EXIT SUB
END IF

'Get the readings
FOR i% = 0 TO n% - 1
 PRINT #gpibout%, "ENTER " + hp3458addr$
 INPUT #gpibin%, v!(i%)
NEXT i%

END SUB

SUB hp3458startntv (n%, t!)

'****************************************************************************
'This subroutine takes n voltage readings spaced t seconds apart.
'
'Input:
' n%, the number of voltage samples
' t!, the time between voltage samples
'
'Inputs from param.inc:
' gpibinP%, GPIB input file number
' gpiboutP%, GPIB output file number
' hp3458addrP%, the HP3458 GPIB address
'
'Zachary Wolf
'2/3/95
'****************************************************************************

'Get the GPIB I/O file numbers and the HP3458 address from the parameters
gpibin% = gpibinP%
gpibout% = gpiboutP%
hp3458addr% = hp3458addrP%

'Put the address number into a string
hp3458addr$ = STR$(hp3458addr%)

'Set the GPIB terminators
PRINT #gpibout%, "TERM IN CR LF"
PRINT #gpibout%, "TERM OUT CR LF EOI"

'Preset the HP3458
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";PRESET"

'Measure DC Volts
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";FUNC DCV"

'Set the voltage range
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";RANGE .1"

'Set the A/D integration time
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";NPLC 1"

'Turn off the autozero
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";AZERO OFF"

'Turn off the display
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";DISP OFF"

'Set the delay value
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";DELAY .1"

'Set the timer
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";TIMER " + STR$(t!)

'Send the readings to the memory
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";MEM FIFO"

'Set up the trigger
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";TARM AUTO"
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";NRDGS " + STR$(n%) + ", TIMER"

'Turn on the input buffer
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";INBUF ON"

'Trigger the readings
PRINT #gpibout%, "OUTPUT " + hp3458addr$ + ";TRIG SGL"

END SUB