Getting Started: Running the “Device - WinUSB

1) If using the PICDEM FS USB Demo Board, no hardware related configuration or jumper setting changes should be necessary. The demo board need only be programmed with appropriate firmware.

Configuration 2: PIC18F87J50 PIM

1) Short JP4 on the PIC18F87J50 PIM. This allows the demo board to be powered through bus power.

2) Short JP1 such that the “R” and “U” options are shorted.

3) Short JP5. This enables the small surface mount LEDs D3 and D4 to function.

Configuration 3: Explorer 16

1) Before attaching the PIC24FJ256GB110 PIM to the Explorer 16 board, insure that the processor selector switch (S2) is in the “PIM” position as seen in the image below.

2) Short the J7 jumper to the “PIC24” setting

3) Before connecting the PIC24FJ256GB110 PIM to the Explorer 16 board, remove all attached cables from both boards. Connect the PIC24FJ256GB110 PIM to the Explorer 16 board. Be careful when connecting the boards to insure that no pins are bent or damaged during the process. Also insure that the PIM is not shifted in any direction and that all of the headers are properly aligned.

3a) If using the PIC24FJ64GB004 PIM, please insure that the programming port switch is switched in the PGX1 direction.

4) On the USB PICTail Plus board, short jumper JP1. Remove all other shorts on the board.

5) Connect the USB PICTail Plus board to either of the female PICTail Plus connectors or on the card edge connector (J9) at the edge of the Explorer 16 board.

Note: When using the HID bootloader for PIC32, it is important to modify the procdefs.ld file to relocate the sections of code that will hold the bootloader and those sections that will hold the user application. Example modified procdefs.ld files have been provided with each project. This file is currently named “Procdefs.ld.boot”. When using the example project with the bootloader it is required to remove the “.boot” section of the file. This will allow MPLAB to use this file instead of the default linker file. Once the linker file is renamed, however, the project will no longer work without the bootloader. Please rename the file in order to get the project working again with PIC32.

Configuration 4: Low Pin Count USB Development Kit

1) Short pins 2 and 3 of J14. Make sure J12 is left open.

Configuration 5: PIC24F Starter Kit 1

The PIC24F Starter Kit does not require any hardware setup to run this demo. This demo does, however, require the user to change the default selected device in the project before compiling the demo.

1) Open the associated project file for C30

2) In MPLAB Select “Configure->Select Device”

3) In the device list box in the top left corner of that window, select “PIC24FJ256GB106”

Configuration 6: PIC18F46J50 Full Speed USB Demo Board

1) Short JP3 to allow the board to be powered from the USB.

Configuration 7: PIC32 USB Starter Board

No specific hardware configuration is required for this demo.

Configuration 8: PIC18F Starter Kit

No specific hardware configuration is required for this demo.

Firmware:

To run this project, you will need to load the corresponding firmware into the microcontroller. Precompiled Demos are available in the “<Install Directory>\USB Precompiled Demos” folders. Each demo hex filename should include information regarding the hardware platform it is compiled for. For this demo, select the appropriate “WinUSB – High Bandwidth Demo” hex files that matches the hardware configuration that you plan to use.

For more information about how to load a precompiled project, please see the “Getting Started – Loading a precompiled demo” guide.

The source code for this demo firmware is available in the “<Install Directory\ USB Device - WinUSB – High Bandwidth Demo\WinUSB High Bandwidth Demo - Firmware” directory. In this directory you will find all of the user level source and header files as well as project and workspace files for each of the hardware platforms.

Please note that when using either the C30 or C32 demo projects you will be required to select the correct processor for the demo board.

1) Open the associated project file

2) In MPLAB Select “Configure->Select Device”

3) In the device list box in the top left corner of that window, select the desired device.

For more help on how to compile and program projects, please refer to the MPLAB® IDE help available through the help menu of MPLAB (Help->Topics…->MPLAB IDE).

Running the Demo:

This demo uses the selected hardware platform as a WinUSB class USB device. WinUSB is a vender specific driver produced by Microsoft for use with Windows® XP service pack 2 and later operating systems. This driver allows users to have access to interrupt, bulk, and control transfers directly.

The HighBandwidthWinUSB.exe program, and the associated firmware demonstrate how to use the WinUSB device drivers for USB Bulk data transfers. Total Time taken to transmit the data & data transmission rate (Bytes/Sec) is shown in the GUI once the data transmission of 9,60,000 bytes is completed from the PC side.

Before you can run the HighBandwidthWinUSB.exe executable, you will need to have the Microsoft® .NET Framework Version 2.0 Redistributable Package (later versions probably okay, but not tested) installed on your computer. Programs which were built in the Visual Studio® .NET languages require the .NET redistributable package in order to run. The redistributable package can be freely downloaded from Microsoft’s website. Users of Windows Vista® operating systems will not need to install the .NET framework, as it comes pre-installed as part of the operating system.

The source code for HighBandwidthWinUSB.exe file was created in Microsoft Visual C++® 2005 Express Edition. The source code can be found in the “<Install Directory>\ USB Device - WinUSB - High Bandwidth Demo\WinUSB High Bandwidth Demo - PC Application - MS VC++ 2005 Express” directory. Microsoft currently distributes Visual C++ 2005 Express Edition for free, and can be downloaded from Microsoft’s website. When downloading Microsoft Visual C++ 2005 Express Edition, also make sure to download and install the Platform SDK, and follow Microsoft’s instructions for integrating it with the development environment.

It is not necessary to install either Microsoft Visual C++ 2005, or the Platform SDK in order to begin using the HighBandwidthWinUSB.exe program. These are only required if the source code will be modified or compiled.

To launch the application, simply double click on the executable “HighBandwidthWinUSB.exe” in the “<Install Directory>\USB Device - WinUSB - High Bandwidth Demo” directory. A window like that shown below should appear:

If instead of this window, an error message pops up while trying to launch the application, it is likely the Microsoft .NET Framework Version 2.0 Redistributable Package has not yet been installed. Please install it and try again.

As configured by default, the application is looking for USB devices with VID = 0x04D8 and PID = 0x0052. The device descriptor in the firmware project meant to be used with this demo uses the same VID/PID. Once the device flashed with corresponding firmware is connected to the PC, the below window appears:

Hitting the “Send Bulk OUT Packets” tab will transmit 960,000 bytes of data on the USB bus to the corresponding endpoints ( EP1 Only or EP1,EP2, EP3 Simultaneously depending upon the button pressed in the GUI). Elapsed Time (ms) & Bandwidth (Bytes/Sec) are displayed in the GUI once the data transmission is complete.

Trademarks:

The Microchip name and logo, the Microchip logo, MPLAB, and PIC are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.

PICDEM and PICTail are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.

Microsoft, Windows, Visual Studio, Visual C++, and Windows Vista are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.