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/** \mainpage CDC Class USB AVR Bootloader
 *
 *  \section SSec_Info USB Information:
 *
 *  The following table gives a rundown of the USB utilization of this demo.
 *
 * <table>
 *  <tr>
 *   <td><b>USB Mode:</b></td>
 *   <td>Device</td>
 *  </tr>
 *  <tr>
 *   <td><b>USB Class:</b></td>
 *   <td>Communications Device Class (CDC)</td>
 *  </tr>
 *  <tr> 
 *   <td><b>USB Subclass:</b></td>
 *   <td>Abstract Control Model (ACM)</td>
 *  </tr>
 *  <tr>
 *   <td><b>Relevant Standards:</b></td>
 *   <td>USBIF CDC Class Standard</td>
 *  </tr>
 *  <tr>
 *   <td><b>Usable Speeds:</b></td>
 *   <td>Full Speed Mode</td>
 *  </tr>
 * </table>
 *
 *  \section SSec_Description Project Description: 
 *
 * This bootloader enumerates to the host as a CDC Class device (virtual serial port), allowing for AVR109
 * protocol compatible programming software to load firmware onto the AVR.	
 *  
 * Out of the box this bootloader builds for the USB1287, and will fit into 4KB of bootloader space. If
 * you wish to enlarge this space and/or change the AVR model, you will need to edit the BOOT_START and MCU
 * values in the accompanying makefile.
 *  
 * This bootloader is compatible with the open source application AVRDUDE, or Atmel's AVRPROG.
 *
 *  \section SSec_Options Project Options
 *
 *  The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
 *
 *  <table>
 *   <tr>
 *    <td><b>Define Name:</b></td>
 *    <td><b>Location:</b></td>
 *    <td><b>Description:</b></td>
 *   </tr>
 *   <tr>
 *    <td>SIGNATURE_0, SIGNATURE_1, SIGNATURE_2</td>
 *    <td>Makefile CDEFS</td>
 *    <td>AVR part signature bytes. These are normally defined as part of the AVR device header files in recent avr-libc
 *        distributions. If your avr-libc library is out of date and does not define these values, you can define them
 *        manually in the makefile CDEFS.</td>
 *   </tr>
 *  </table>
 */