Electronics > Microcontrollers

PIC18f4500 usb programming

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Bibiricat:
Hello.
I recently managed to program the Microchip bootloader into my PIC18F4550, got MPLab, and found some blinking LED code on the net. However, i am not sure if that will work with my MC ( i don't want to overwrite the bootloader) . Besides that, i have no idea how to upload the hex file made by MPLab into the MC via USB.
Can anyone help me ?

PA0PBZ:
Hi,

I used the software Microchip made for the demo board, including an application to upload user software using the bootloader.
Read the demo board user guide, and install the MCHPFSUSB v2.2 USB Framework, both can be found here:

WWW.SecureSoftwareList/secsoftwaredownload.aspx?device=en021940#]http://www.microchip.com/Microchip.[url=http://WWW.SecureSoftwareList/secsoftwaredownload.aspx?device=en021940#]WWW.SecureSoftwareList/secsoftwaredownload.aspx?device=en021940#[/url]

Bibiricat:
Hi PA0PBZ.
The link you have provided is not working, however i am looking for that framework.

PA0PBZ:
Hmm, not sure what went wrong there, look at the bottom of this page:

http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1406&dDocName=en021940

Bibiricat:
For the pic newbies (like me ), i found this. It gives step-by-step instructions, and example programs.

http://erricous.free.fr/ELECTRON/boot4550_en.html

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