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- This is the Readme file for the libs-device directory. This directory contains
- code snippets which may be useful for USB device firmware.
- WHAT IS INCLUDED IN THIS DIRECTORY?
- ===================================
- osccal.c and osccal.h
- This module contains a function which calibrates the AVR's built-in RC
- oscillator based on the USB frame clock. See osccal.h for a documentation
- of the API.
- osctune.h
- This header file contains a code snippet for usbconfig.h. With this code,
- you can keep the AVR's internal RC oscillator in sync with the USB frame
- clock. This is a continuous synchronization, not a single calibration at
- USB reset as with osccal.c above. Please note that this code works only
- if D- is wired to the interrupt, not D+.
- ----------------------------------------------------------------------------
- (c) 2008 by OBJECTIVE DEVELOPMENT Software GmbH.
- http://www.obdev.at/
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