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Re: eCos Watchdog Timer
- To: Wolfram Kattanek <wolfram dot kattanek at imms dot de>
- Subject: Re: [ECOS] eCos Watchdog Timer
- From: Jonathan Larmour <jlarmour at redhat dot com>
- Date: Fri, 07 Sep 2001 07:23:21 +0100
- Cc: diem dot b dot dang at delphiauto dot com,eCos Disuss <ecos-discuss at sourceware dot cygnus dot com>
- References: <05256ABD.0074EB62.00@notes.delphiauto.com> <999682175.3b95f07f544c8@imp.imms.de>
Wolfram Kattanek wrote:
>
> diem.b.dang@delphiauto.com:
> [snip]
> If you think of the V850 hardware watchdog timer capabilities
> then look at ecos/packages/hal/v85x/ceb_v850/current/src/plf_stub.c as an
> example. The watchdog timer is used for the breakpoint emulation inside
> the GDB stub. The V850 watchdog timer can generate NMIs or INTs (see
> V850 user manual).
>
> If you think of a watchdog functionality inside eCos then just include
> CYGPKG_IO_WATCHDOG in your eCos configuration. This will give you emulated
> watchdog functionality (using real time clock and alarm). You can also add
> your own hardware watchdog driver (currently there is no driver for the V850).
> There are some examples in ecos/packages/devs/watchdog for this kind of driver.
Of course if you add a hardware watchdog driver, it will break the use of
the watchdog for breakpoint emulation be warned...
Jifl
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