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How To Read A Weight Scale (Cardinal) Through COM1 port
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18/02/2008 11:14:33
Raza Malik
Universal Accounting Software
Edgewater, New Jersey, États-Unis
 
 
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Information générale
Forum:
Visual FoxPro
Catégorie:
COM/DCOM et OLE Automation
Titre:
How To Read A Weight Scale (Cardinal) Through COM1 port
Versions des environnements
Visual FoxPro:
VFP 7 SP1
Divers
Thread ID:
01293466
Message ID:
01293466
Vues:
267
Hello Experts...

I have weight scale attached to a COM1 port. Truck goes over the scale and it sends multiple readings to a VFP application via COM1 port. I can see the data comming through Hyper Terminal but I always get 0 through VFP application. I use the following code to capture the weight through COM1 port:
	SET OLEOBJECT ON 
	oComm = CREATEOBJECT('MSCOMMLib.MSComm')
	oComm.CommPort = 1
	oComm.Settings = "1200,N,8,1"
	oComm.InputLen = 0
	oComm.PortOpen = .T.

	II = oComm.input

	=MESSAGEBIOX(II)

	oComm.PortOpen = .F.

	RETURN
Can someone tell me what I am doing wrong ?

Please...

Thank You.

Raza Malik
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