>> Could you do it as a two stage process? Load some specific code in the
>> PIC,
...
>
>Yes, I suppose I could do that. I may as well leave the flash programming
>code there, though. I'll have to add a connector to bring out the UART to
>send the code to the PIC, though. As it is, data gets into the PIC as an
>RF carrier over IR, so no I/O leaves the board (though I guess I could bit
>bang something on RB6 and RB7, which do go to a programming header).
>
>Thanks for the comments!

I was thinking in terms of bit banging an interface using the programming 
pins - it could even be an SPI interface, with the code in the PIC just 
acting as an SPI pass through.

I was envisaging that the whole thing could be done as a script, so that on 
the test bench it is a one button push to do all the programming - program 
SPI download code into PIC, transfer data to SPI device, program production 
code into PIC.

As to a suitable programmer, does Olins one do SPI? I know his host code is 
scriptable, so may make a starting point, especially as he does make the 
source available, so it is modifiable.

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