Is anyone there ?

--- In microchipC_pic16F87x_bootloader@yahoogroups.com, "romain145"
<romain145@...> wrote:
>
> Hi everyone !
>
> I spent hours on this bootloader and didn't understand anything.
> My hardware :
> -pic16f877a quartz=8MHz.
> -development card with a FTDI USB-serial interface.
> -2 programmers (LVP and HVP respectively Schaer and JDM type)
> -2 computers... what else ?
>
> Software :
> -picbootplus
> -icprog
> -mplab (of course)
> -bootloader 2.81
>
> What I'm doing : I modified the bootloader code to fit my hardware
> configuration : frequency and baud rate adjusted.
> I loaded the bootloader in the PIC, start picbootplus, load a hex
> file, click on Write and reset the PIC... nothing happened !!
>
> I saw it working for some hours, but since it doesn't work I changed
> PIC, programmer, PC, verified serial communication : all OK !
> What's wrong ??
>
> Please help me.
> Romain
>