Copy bootloader from PIC32

[filjoa]

Hi

I have a PIC32 kit with bootloader, but this bootloader only work with one compiller, but I like try others, but I don't have this original booloader in hex file.

I have PICKIT3, how I can copy only booloader? (PIC32 have particular memory to booloader).

best regards

 

[horace1]

what is the PIC32 board you are using?
if you are looking for a USB bootloader for the PIC32 there is a HID bootloader in the MCHPFSUSB software that can be downloaded from
**broken link removed**

 

[filjoa]

Hi

this is an kit from my univercity, the bootloader is dedicate to him... but it only work on linux and with compiler.

I like use this kit on windows at home, for that I need put other bootloader or use ISCP, but I need have this bootloader to work on univercity.

 

[horace1]

may be worth having a look on the Microchip forum
Microchip

if the board was designed and built at the university could they give you the bootloader source code? how is it connected ? serial port, USB, ?

if you use Windows at home could you run Linux in a virtual environment such as Virtualbox
VirtualBox

and hence use the bootloader

 

[filjoa]

I don't kown why but teachers don't give me hex bootloader...

for example, if I make an program on MPLAB and transfer it with ICSP to my board I will remove bootloader?

 

[horace1]

I don't kown why but teachers don't give me hex bootloader...

for example, if I make an program on MPLAB and transfer it with ICSP to my board I will remove bootloader?

it all depends on the programming hardware on the development board. For example, the PIC32 starter kit
**broken link removed**

has an onboard PIC18 as the programmer/debugger (see the PIC32 start kit users guide for the schematic).

if the board you are using is a commercial board you may be able to download a Windows programmer from the company web site

 

[filjoa]

this shematic is this: http://www.ieeta.pt/~jla/ac2/Labs/DetPIC32.pdf

my teacher tell me witch bootloader stay write on special registers, but I don't know where...

 

[horace1]

it looks from the circuit diagram that the board has a standard Microchip programming header to suit an ICD3 or Pickit3
**broken link removed**

this would enable you to use Windows with MPLAB and the C32 compiler
you may be able to use an ICD2 or Pickit2 but you would need to check that they work with the PIC32MX795F512H

the board does not appear to have a USB connection so the alternative of a USB bootloader is not available.
you could look at serial bootloader but I have never tried them
**broken link removed**

 

[filjoa]

Hi

today I asked for the hex but they wont give it. Anyway, is there a way to copy/backup the bootloader i have in the mcu or that is not possible?

best regards