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Re: [ts-7000] Problem with RS485 enable register

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Subject: Re: [ts-7000] Problem with RS485 enable register
From: Dennis Rockwell <>
Date: Sun, 19 Aug 2007 23:35:21 -0400
On Sun, 19 Aug 2007 02:04:55 -0000 "e_fenimore" <> 
wrote:
>I noticed in the hardware manual that, to use the RS485 feature on the
>TS-7260, one must write a byte value to the address 0x22C0_0000.  For
>example, it says to enable half duplex 9600 baud access, one must
>write a 0x04 to this address.
>
>Interesting thing is, when I read from this address in code, I get
>values alternating between 188 and 252.  If I use the peek16 value
>supplied on the development cd, I am able to see it set to 0.  

Hardware engineers often economize by not (or half-) implementing the read 
side of a register.

One of their favorite ways to drive  software types nuts...

Dennis Rockwell

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