Re: [oopic] How to use oSerialL for reception of data ?

The oSerialL objects are what you are after. These are half-duplex
ports and the serial input especially _requires_ that you use CTS/RTS
type flow control with it. From the manual:

'This program creates two oSerialL
'Objects. One is used to receive a
'serial signal and the other is used
'to send a serial signal.
'A oDio1 is used to show that while
'the oSerialL Object is waiting
'for incoming serial data, the
'program flow is stopped.

Dim A As New oSerialL
Dim B As New oSerialL
Dim C As New oDIO1

Sub Main()
C.IOLine = 24
C.Direction = cvOutput
B.IOLineS = 23
B.IOLineF = 18
B.Baud = cv2400
A.IOLineS = 22
A.IOLineF = 16
A.Baud = cv2400
Do
A=B
C.Invert
Loop
End Sub

I have used these at up to 9600 baud successfully with flow control.
Sometimes you need to fiddle with the flow control polarity to match
what you are talking to.

DLC

patrickcastelein wrote:
> Dear all,
>
> I'm very new to the ooPIC community but I'm already able to do some
> really cool event-driven stuff with the ooPIC-C.
>
> The last phase in my first project, is to have the ooPIC listen and
> talk to a serial port at 9600 bits/sec. The protocol on this port is
> half-duplex, so there will be no transmission and reception of data
> at the same time.
>
> Because I inserted the ooPIC-C in an existing BASIC-Stamp design of
> mine, the printed circuit board was already made and the pins for
> RxD, TxD, DTR and CTS are defined. That made me choose for the
> oSerialL object in stead of the oSerial or oSerialPort.
>
> I am now struggling on how I should write proper code for an event-
> driven routine that handles the reception of the data from this port.
>
> Does anyone have some samples of code, showing a small routine that
> is able to receive a byte from the oSerialL object and put it in a 20-
> byte buffer ? (I count on using the oBuffer20 object for that).
> How should I make a VC for that ?
> I cannot find a trigger flag in the oSerialL object that would be
> able to trigger an event.
>
> Thanks for any help !!
>
> regards,
> Patrick.
>
>
>
>
> Yahoo! Groups Links
>
>
>

--
------------------------------------------------------
Dennis Clark ooPIC Tech Support
www.oopic.com
------------------------------------------------------

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