interface {
	minor = 0	/* board index, minor = 0 uses /dev/gpib0, minor = 1 uses /dev/gpib1, etc. */
	board_type = "agilent_82357a"	/* type of interface board being used */
	name = "agilent"	/* optional name, allows you to get a board descriptor using ibfind() */
	pad = 0	/* primary address of interface             */
	sad = 0	/* secondary address of interface           */
	master = yes	/* interface board is system controller */
	timeout = TNONE	/* timeout for commands */
}

device {
       minor = 0
       name = "ATTN"
       pad = 0
       sad = 0
}

#!/bin/sh
GPIB_CONFIG_OPTIONS="--minor 0"
DATADIR=/usr/share
FXLOAD=fxload
FXLOAD_OPTIONS=

PATH=$PATH:/sbin:/usr/sbin:/usr/local/sbin:/bin:/usr/bin:/usr/local/bin
FIRMWARE=

# pre-renumeration device IDs
case $PRODUCT in
# 82357a with firmware already loaded
957/107/*)
	gpib_config $GPIB_CONFIG_OPTIONS
	;;

# 82357a without firmware
957/7/*)
	FIRMWARE=$DATADIR/usb/agilent_82357a/82357a_fw.hex
	;;

# 82357b with firmware already loaded
957/718/*)
	gpib_config $GPIB_CONFIG_OPTIONS
	;;

# 82357b without firmware
957/518/*)
	FIRMWARE=$DATADIR/usb/agilent_82357a/measat_releaseX1.8.hex
	FXLOAD_OPTIONS="-t fx2"
	;;

esac

# quit unless we were called to download some firmware 
if [ "$FIRMWARE" = "" ]; then
    # OR:  restructure to do other things for
    # specific post-renumeration devices
    exit 0
fi

# missing firmware?
if [ ! -r $FIRMWARE ]; then
    if [ -x /usr/bin/logger ]; then
	/usr/bin/logger -t $0 "missing $FIRMWARE for $PRODUCT ??"
    fi
    exit 1
fi

# missing fxload?
if ! which $FXLOAD; then
    if [ -x /usr/bin/logger ]; then
	/usr/bin/logger -t $0 "missing $FXLOAD ??"
    fi
    exit 1
fi

if [ -x /usr/bin/logger ]; then
    /usr/bin/logger -t $0 "load $FIRMWARE for $PRODUCT to $DEVICE"
fi

$FXLOAD $FXLOAD_OPTIONS -I $FIRMWARE

# usb module match_flags idVendor idProduct bcdDevice_lo bcdDevice_hi bDeviceClass bDeviceSubClass bDeviceProtocol bInterfaceClass bInterfaceSubClass bInterface Protocol driver_info
agilent_82357a 0x0003 0x0957 0x0007 0x0000 0x0000 0x00 0x00 0x00 0x00 0x00 0x00 0x00000000
#agilent 82357b
agilent_82357a 0x0003 0x0957 0x0518 0x0000 0x0000 0x00 0x00 0x00 0x00 0x00 0x00 0x00000000

        # Generate a 1kHz, 1V square wave.
        f = HP_3325A( address['HP_3325A'], 0 )
        f.set_print_gpib(0)
        f.set_print_error(0)
        f.set_function( 'square' )
        f.set_frequency( 1, 'kHz' )
        f.set_amplitude( 1, 'v_rms' )

        # Get the signal's spectrum
        s = HP_3582A( address['HP_3582A'], 0 )
        s.set_print_gpib(0)
        s.set_print_error(0)
        s.set_input_mode( 'cha' )
        s.set_sensitivity( 'cha', 3 )
        s.start_measurement( 'rms', 5, 1 )
        (frq,cha,chb,samps,aok,bok) = s.get_spectrum()

        # Plot it.
        ann = s.read_annotation()
        ch1ann = s.parse_channel_annotation(ann,'cha')
        ch2ann = s.parse_channel_annotation(ann,'chb')
        avann = s.parse_average_annotation(ann)
        bwann = s.parse_bandwidth_annotation(ann)
        plt.plot(frq[0:samps-1],cha[0:samps-1])
        plt.title( 'HP 3582A Spectrum Analyzer' )
        plt.xlabel( 'Frequency (Hz)' )
        plt.ylabel( 'Amplitude (dBV)' )
        plt.grid( True )
        ax = plt.gca()
        plt.text( 0.6, 0.90, ch1ann, transform=ax.transAxes )
        plt.text( 0.6, 0.85, ch2ann, transform=ax.transAxes )
        plt.text( 0.6, 0.80, avann, transform=ax.transAxes )
        plt.text( 0.6, 0.75, bwann, transform=ax.transAxes )
        plt.show()