XPRESS-Loader

USB-MSD Programmer and CDC Serial Port Emulator

This application is designed to act as a fast on-board programmer for the MPLAB Xpress Evaluation Board.

A serial to USB bridge function is simultaneously available.

Additional information about the MPLAB Xpress project can be found at https://mplabxpress.microchip.com

License

This application is licensed under the Apache v2 license (see "LICENSE" file in root directory of the repository). To request to license this code under the MLA license (www.microchip.com/mla\_license), please contact [email protected].

Product Support

• This application runs on the PIC18LF25K50 and programs/interfaces to the PIC16F18855.

• The input (file) parsing algorithm is compatible with all PIC16/PIC18 INTEL Hex files produced by the MPLAB XC8 compiler.

• The programming algorithm is currently supporting only the new 8-bit LVP-ICSP protocol common to the PIC16F188xx (5 digit) devices. It is also assuming a fixed row size of 32 words.

• The default serial interface does not support hardware handshake although this feature can be enabled if required.

Folder Structure

• MPLAB.X - contains the main application source files

• framework - elements of the MLA - USB and File System open source libraries (note: the MSD portion has been customised to reduce considerably RAM usage)

• utilities - contains the Windows signed drivers for the Virtual COM port (OS X and Linux users do not need it)

• bsp - board support package (currently only the XPRESS evaluation board)