Chapter 8 of the book AdvancedPICMicrocontrollerProjectsinC by Dogan Ibrahim may be helpful in conjunction with the USB spec because it has examples in addition to explanation of all Descriptors including HID. It is titled "Advanced PIC18 Projects -- USB Bus Projects." I cannot claim that it will necessarily answer your specific questions because I have not done a USB project using the chapter info yet.
If you do not want to purchase the book, try Interlibrary Loan through a local library.
Fred, on slide 16 of today's package, is the window that shows the USB HID DEvice List also by Kadtronix? I looked at the user manual for their API Library, and I see the window that is on slide 18, but I don't see the window like on slide 16.
Yep.. You can install only the portions you are interested in. For example, when I do USB projects I only install the USB packages. You can install multiple directories that way. One for a TCP/IP project another for a USB project and so forth. The latest MLA for general purpose use is 2013-06-15. If you want to move towards Harmony, the 2013-12-20 package is geared that way.
Depending on the number of prototype design cycles you have, if you can choose a "fatter" / faster MCU to do your proof-of-concept, then go for it ; higher-end MCUs will have more features (for design & debug). Hence eval boards with headers !
Same thing for FPGA designs ; take a bigger one (expecially if a smaller pin-compatible one is available) for debugging purposes...
ESD is the company name. They are all about dispensing. I have a machine that is foot pedal operated and dispenses solder using shop air. It's very precise. I think Metcal got bought out by someone. Can't think of the company right now. The oven came from Manncorp.
I would guess the 1st (hardest ?) question is knowing if you'll have enough horse power with an 8b / 16b or 32b device ! Overall BOM cost objective would also help (if realistic for objective to fill !)
@Fred re fabrication response: "ESD solder dispenser (when I don't need a stencil from Stencils Unlimited), ESD solder paste, a table top batch oven (not a toaster oven) and Metcal soldering equipment"
What type of solder (paste) dispenser are you referring to; just a syringe when you don't need stencil accuracy? Also, is the "table top batch oven" also form Metcal or another vendor? Thanks.
To answer my own question: The delayms() function in slide six is subject to failure once every 5.8e18 days or so, if I calculated correctly. That routine would need to be written more carefully if 8- or 16-bit arithmetic were being used.
I use ExpressPCB, an ESD solder dispenser (when I don't need a stencil from Stencils Unlimited), ESD solder paste, a table top batch oven (not a toaster oven) and Metcal soldering equipment. I use a hot air machine for quick changes and repairs.
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The structure of the day-2 source material in day2PicCode.zip is as follows. Top 5 folders follow each of the project examples in the slides. Each folder is organized as an MPLABX workspace and project so the sub-folders are typically "<directory>.X" and "firmware", where <directory> is the name of the workspace/project (e.g., xc8cls). The "<directory>.X" folder contains the MPLABX workspace and project structure files plus compilation output files. The "firmware" folder contains the software source files you are seeking. The one exception to this general organization is the "pmodcls-16lf1829" workspace. Since it used the MPLABX Configurator the generated source is contained in the "pmodcls-16lf1829.X" directory as well.
The board layout files from day 1 are in ExpressPCB format, which are normally ".sch" (schematic) and ".pcb" (PCB layout). You can download the free ExpressPCB tools to view and manipulate these files and then generate PCBs.
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Can anyone help me find the source code (C, assembly, and Basic) in the folders Fred has shared? What are the file extensions for each and what folders are they in? And which files are the board layouts?
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