On 26-Apr-07, at 3:01 AM, Gregory Omond wrote:
> Sorry that I am such a "basic newbie"... I have dabbled a bit in C and
> assembler and Delphi on PC, But now I am in Mac land (sick of
> viruses).
>
> Taken from the TI documentation (Series 2000 Reader system).
>
> All messages constructed according to the following format:
>
> Byte Contents
> 0 Start-Mark (SOH,01hex)
> 1 Destination Address
> 2 Source Address
> 3 Message-Code
> 4 Data-Length
> 5 Data-Field(1)
> N+4 Data-Field(N)
> N+5 CRC-Field(1) (MS Byte)
> N+6 CRC-Field(2)
> N+7 End-Mark(EOT, 04hex)
>
> I am just wanting to bang out a couple of packets to get the
> responses and
> verify my ideas.
> So that I can get down to the serious part.
> Just that the example serial programs supplied with RB show quoted
> strings
> going out i.e. Serial1.Write "Hello Blagh" whereas I need to do the
> equivalent to Serial1.Write(0x01) (Sorry for the C syntax).
>
> I tried the following:
>
> Sub Action
>
> Serial1.SerialPort.OutputDriverName.Encoding.variant 0x00
> Serial1.Write 0x01
> Serial1.WriteInt8 0x01
>
>
> All cause an error.
How about
Serial1.Write &h01
Serial1.WriteInt8 &h01
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