Digitalmultimeter am Mac, c't 4/97 S. 384, cm
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DVM_XFCN.p Think Pascal Source fr XFCN
DVMStack.hqx Beispiel-Stack mit fertiger XFCN, StuffIt-komprimiert
Mit einer einfachen XFCN kann HyperCard Digitalmultimeter mit RS-232-Schnittstelle auslesen. Nachfolgend ein Beispiel-Script:
--HyperCard-Stack Script fr DMM-Stack
on openCard
get DVM("open","modem")
put it into msg
end openCard
on closeCard
get DVM("close","modem")
end closeCard
on idle
get DVM("dump","modem")
wait 30 -- Minimum fr M3610 DVM, evt. anzupassen
put DVM("input","modem") into AnzahlZeichen
get DVM("read","modem")
put it into msg
-- mit dem ausgesendeten "dump" sollten 14 Zeichen zurckkommen
if AnzahlZeichen=14 then
put char 4 to 9 of it into Wert
put char 10 to 14 of it into Einheit
if word 1 of wert is a number then
put (word 1 of Wert)*1.0 into cd fld "Wert"
put Wert into nWert
put "200" & Einheit into Scale
if abs(nWert)<20 then
put nWert*10 into nWert
put "20" & Einheit into Scale
end if
if abs(nWert)<20 then
put nWert*10 into nWert
put "2" & Einheit into Scale
end if
if abs(nWert)<20 then
put nWert*10 into nWert
put "0,2 " & Einheit into Scale
end if
put Scale into cd fld "Scale +"
put "-" & Scale into cd fld "Scale -"
set the loc of cd btn "Zeiger" to (round(nWert)+256),270
else
put "Range!" into cd fld "Wert"
end if
put word 1 of Einheit into cd fld "Einheit"
end if
end idle
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.