pOTRice wrote:
> On Mon, 10 Mar 2008 21:25:57 GMT, Tom <t.wyckoff@[EMAIL PROTECTED]
> wrote:
>
>
>>pOTRice wrote:
>>
>>>Hi
>>>
>>>First time I've submitted to this group and unfortunately it has to be
>>>to ask some kind soul for some help.
>>>
>>>For the last 5 years I have been sup****ting a 10-year old PIC 16C57
>>>program by 'tinkering' - i.e by editing the assembler, using MPLAB
>>>and sending the HEX file to the factory for them to test it in the
>>>product hardware. This has been adequate for the low impact
>>>modifications that have been required.
>>>
>>>However, I now have to do a serious modification to this program which
>>>will require *me* to do thorough testing.
>>>I have retrieved my MPSTART-16C chip programmer from its box (where
>>>it's been for the last 5 years) set it up and connected it to COM1 on
>>>a WIn98 PC using the 9-pin 'D' connector straight through lead
>>>supplied with the kit.
>>>Although MPSTART appears to successfully connect to the programmer
>>>without any 'squeeks', it will only ever read back all zeroes from any
>>>chip, blank or otherwise. The LED on the programmer *does* light up
>>>while comms are apparently occurring.
>>>The PICSTART manual does not specify the serial baud rate, number of
>>>data bits or parity (but does mention the use of hardware flow
>>>control).
>>>
>>>I am hoping that the symptoms are not caused by a dead programmer but
>>>that I simply have the wrong comms configuration.
>>>
>>>The last time the programmer was used, it was connected to a real
>>>*DOS* PC but unfortunately I can find no notes about how I got it
>>>working first time round.
>>>
>>>So . . please can anybody confirm what the comms configuration should
>>>be?
>>>
>>>TIA
>>>
>>>pOTRice
>>
>>As far as I can remember, it used 9600 8N1
>>I still have mine around here someplace too. :-)
>
>
>
> Many thanks for your quick reply Tom.
> However, that was just the answer I didn't want to hear - that was the
> first setting I tried (it was the default in Win98).
> Starts to look like it may be the programmer.
> A first trawl around the net suggests that the 16C57 really is
> unsup****ted now. (I have no idea where my client actually buys them)
> Some of the third parties' programmers specifically exclude it.
> I believe I may have access to another MPSTART-16C programmer so may
> be able to borrow that.
>
> Thanks again
>
> pOTRice
Well, I found my Picstart 16B1, and I still have two 16C57-RC/P's and
one 16C57-JW-S1 too. If you can communicate with the programmer then
you have the settings right. I just found two floppy disks with what I
think is the software too.
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