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cstarr89
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Post subject: pic18f USB Device adapted for pic18f4450?  Posted: Mon Feb 27, 2012 4:14 pm |
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Joined: Mon Feb 27, 2012 4:04 pm
Posts: 1
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I'm using the article written for building a PIC18f USB device for an intro to PIC - USB communication. The article (and supporting code) was written for pic18f4550 and 2550. I have some left over pic18f4450's laying around from a previous project. Is there a way to adapt the firmware for use with the 4450? and if so what exactly would I need to change?
Thanks
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Simon Inns
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Post subject: Re: pic18f USB Device adapted for pic18f4450? Posted: Mon Feb 27, 2012 5:13 pm |
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Joined: Thu Apr 01, 2010 6:23 am
Posts: 898
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Unless the Microchip application stack supports your particular device porting the code can be tricky. This is due to the fact that the USB RAM memory map varies between devices. You could compare the USB RAM of both devices (info is in the datasheet), if they are the same then it may be possible to port by just changing the linker file in the project.
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