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USING THE ST7 USB LOW-SPEED LIBRARY V4.2x

5 HOW TO START A NEW APPLICATION

1. Make a copy of the complete “EvaluationKit” project. Give an appropriate name to this new

directory.

2. Remove all the parts that concern the EvalKit application (modification in Applet.c, Main.c,

HIDLayer.c, Int_xxx, ...).

3. Create a new workspace and select the MAK file corresponding to the device you are using.

4. Modify the toolchain configuration files (MAK, PRM, LKF etc...).

5. Modify the file “USB_Opts.h” (in “Appli/Includes” directory) according to your application

needs.

6. Modify the files “Descript.c” and “Descript.h” (in “Appli” directory) with your own descriptors.

Don’t forget to put your own Vendor ID (assigned by the USB-IF).

7. Add your application in the file “main.c” (in “Appli” directory) inside the “EndPoint 1 & 2 man-

agement section”. Build your report_IN and send data or receive data and process the

report_OUT). You can also create new files.

8. Process the non-standard requests (Vendor and Class) in the file “USB_App.c” (in “Appli”

directory).

9. For HID CLASS requests, use the “HIDlayer.c” and “HIDlayer.h” files (in “Appli” directory).

10. You might want to use as well the predefined modules “User_Var.h” and “User_Def.h” (in

“Applis” directory).

6 OTHER DOCUMENTS

For further information on the DFU please refer to the following documents :

- AN1577 “Device Firmware Upgrade (DFU) for ST7 USB devices”