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Re: [ts-7000] TS-7800 Microsecond Counter

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Subject: Re: [ts-7000] TS-7800 Microsecond Counter
From: Michael Schmidt <>
Date: Mon, 09 Jun 2008 11:36:02 -0700
Anouk Ahamitet wrote:
> Has anyone else used this feature?  We're trying to use it and
> wondering if there's anything special that must be done to enable it

What kind of results are you seeing when you read the register?

> and/or to read the 32 bit value from 0xE8000040.  Currently, we're
> just creating a memory map starting at 0xE8000000 and reading the
> DWORD values from offset 0x40 in the map.

As long as you're doing something like this you should be fine:

unsigned int *ptr = mmap(...

ptr += 0x40 / (sizeof unsigned int);

> 
> If that's wrong and/or if there's a sample showing how to use the
> timer correctly, I'm love to see it (or a link to it).

One of these commands should work (depending on if you are using 
fastboot or fullboot):
peekpoke 32 0xE8000040
peek32 0xE8000040


> Thanks!


  ______   Best Regards,
|__  __/                  Michael Schmidt
    ||                   Software Engineer
    ||echnologic Systems (EmbeddedARM.com)
    || (480)    16610 East Laser Drive #10
    |/ 837-5200   Fountain Hills, AZ 85268
        http://oz.embeddedarm.com/~michael

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