Fw: BDM LINUX-Patch for GDB with OCD-Wiggler

[Wendell Thompson]

We're using Sergey's original design with an MPC850 with good
results, but it was necessary to invert the clock in the driver.
It seemed to be out of phase per the BDM interface spec.


>
>>I am using the patch for GDB with a small
>>PCB that cleans up the LPT port signals and am
>>using it daily with a 860 on Linux.
>>
>>Info can be found on:
>>
>>http://www.vas-gmbh.de/software/mpcbdm/
>>
>>And even Sergey's "simple" version worked ok , but only with
>>a very short cable ( < 15 cm). The cable from the LPT port to
>>the PCB is about 30 cm and from the PCB to the 860 about 50 cm.
>>One can fine tune the time that is used to generate the pulses
>>from inside GDB , this depends very much on the host CPU speed
>>and the cable type/length.
>>
>>I must say i haven't had an problems yet, it is as if yer
>debugging
>>a linux programm on a linux host.
>>
>>
>>One disadvantage, it doesn't run on Windows. I could imagine
>someone
>>writting a remote GDB server for it on 95/98 but under NT
>/(2000?)
>>one needs a device driver to access the LTP port in "raw" mode.
>>
>>- Erwin
>>
>>
>>Sergey Drazhnikov wrote:
>>>
>>>    Part 1.1    Type: Plain Text (text/plain)
>>>            Encoding: 7bit
>>
>>--
>>        Q - S O F T - E N G I N E E R I N G
>>     Rodachtalweg 11, 81549 Muenchen, Germany
>>
>>Erwin Rol (Software Engineer)     phone: +49-89-68050051
>>Erwin.Rol at Q-Soft-Engineering.com  fax  : +49-89-68050052
>>
>