Lpc2000

Leon Heller wrote:
> ----- Original Message -----
> From: "Bertrik Sikken" <bertrik@...>
> To: <lpc2000@yahoogroups.com>
> Sent: Thursday, March 16, 2006 5:50 PM
> Subject: Re: [lpc2000] Problem: debugging with OCDRemote on LPC2148
> 
> 
>> practicaarn7 wrote:
>>> Hi,
>>>
>>> we are 4 students, we are trying to debug an application on the
>>> lpc2148. We use an Olimex cable to connect to the prototype board of
>>> EmbeddedArtists
>>> (http://www.embeddedartists.com/products/boards/prototype.php). Our
>>> problem : OCDRemote says
>>> OCDemon InitializeTarget Error : Cable Disconnected
>>>
>>> We followed the debugging steps from (ARM Cross Development with
>>> Eclipse, Version 3 by Jim Lynch).
>>>
>>> When we connect the Wiggler to the board, it seems that it stays in
>>> reset mode.
>>>
>>> Can anybody help us with this problem?
>>
>> I have the same board and the same cable and some time ago I looked
>> into this problem.
>>
>> I ran into the following things:
>> * recent versions of OCDRemote expect a link between pins DATA6
>>  and ERRORn. Possibly you have an older cable that does not have
>>  this link.
>> * the olimex cable expects a high level on the DATA7 pin and possibly
>>  OCDRemote is not putting a high-level on this pin.
>> * OCDRemote may be too quick to try to communicate with the board
>>  after a reset. It appears that the embedded artists board has a
>>  reset chip that keeps the LPC in reset for some minimum amount
>>  of time.
>>
>> I was able to connect to the board with ocdremote at the very
>> lowest speed, but that is unworkably slow.
>>
>> Some people claim that it is required to configure the parallel
>> port in the BIOS for SPP or EPP, not ECP.
>>
>> I suggest to try out the open-source OpenOCD instead, see
>> http://developer.berlios.de/projects/openocd/
> 
> EPP is required for the Macraigor software to work properly. Also, pins 1
> and 18 should be connected at the DB-25.

Don't you mean pins 8 and 15?
If not, what is the connection between pin 1 and 18 good for?

Bertrik