|
|
|
@ -47,28 +47,48 @@
|
|
|
|
|
* This bootloader enumerates to the host as a DFU Class device, allowing for DFU-compatible programming
|
|
|
|
|
* software to load firmware onto the AVR.
|
|
|
|
|
*
|
|
|
|
|
* This bootloader is compatible with Atmel's FLIP application. However, it requires the use of Atmel's
|
|
|
|
|
* DFU drivers. You will need to install Atmel's DFU drivers prior to using this bootloader. If you are
|
|
|
|
|
* using a 64 bit Windows OS, you will need to either disable the driver signing requirement (see online
|
|
|
|
|
* tutorials for details) or use a digitally signed version of the official Atmel driver provided by a
|
|
|
|
|
* third party AVR user at
|
|
|
|
|
* <a>http://www.avrfreaks.net/index.php?module=Freaks%20Academy&func=viewItem&item_id=2196&item_type=project</a>.
|
|
|
|
|
*
|
|
|
|
|
* As an open-source option, this bootloader is also compatible with the Linux Atmel USB DFU Programmer
|
|
|
|
|
* software, available for download at <a>http://sourceforge.net/projects/dfu-programmer/</a>.
|
|
|
|
|
*
|
|
|
|
|
* If SECURE_MODE is defined as true, upon start-up the bootloader will be locked, with only the chip erase
|
|
|
|
|
* function available (similar to Atmel's DFU bootloader). If SECURE_MODE is defined as false, all functions
|
|
|
|
|
* are usable on start-up without the prerequisite firmware erase.
|
|
|
|
|
*
|
|
|
|
|
* Out of the box this bootloader builds for the USB1287, and should 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.
|
|
|
|
|
*
|
|
|
|
|
* <b>NOTE:</b> This device spoofs Atmel's DFU Bootloader USB VID and PID so that the Atmel DFU bootloader
|
|
|
|
|
* When the bootloader is running, the board's LED(s) will flash at regular intervals to distinguish the
|
|
|
|
|
* bootloader from the normal user application.
|
|
|
|
|
*
|
|
|
|
|
* \section Sec_Installation Driver Installation
|
|
|
|
|
*
|
|
|
|
|
* This bootloader is designed to be compatible with Atmel's provided Windows DFU class drivers. You will need to
|
|
|
|
|
* install Atmel's DFU drivers prior to using this bootloader on Windows platforms. If you are using a 64 bit Windows
|
|
|
|
|
* OS, you will need to either disable the driver signing requirement (see online tutorials for details) or use a
|
|
|
|
|
* digitally signed version of the official Atmel driver provided by a third party AVR user at
|
|
|
|
|
* <a>http://www.avrfreaks.net/index.php?module=Freaks%20Academy&func=viewItem&item_id=2196&item_type=project</a>.
|
|
|
|
|
*
|
|
|
|
|
* \note This device spoofs Atmel's DFU Bootloader USB VID and PID so that the Atmel DFU bootloader
|
|
|
|
|
* drivers included with FLIP will work. If you do not wish to use Atmel's ID codes, please
|
|
|
|
|
* manually change them in Descriptors.c and alter your driver's INF file accordingly.
|
|
|
|
|
*
|
|
|
|
|
* \section Sec_HostApp Host Controller Application
|
|
|
|
|
*
|
|
|
|
|
* This bootloader is compatible with Atmel's FLIP utility on Windows machines, and dfu-programmer on Linux machines.
|
|
|
|
|
*
|
|
|
|
|
* \subsection SSec_FLIP FLIP (Windows)
|
|
|
|
|
*
|
|
|
|
|
* FLIP (Flexible In-System Programmer) is a utility written by Atmel, and distributed for free on the Atmel website.
|
|
|
|
|
* The FLIP utility is designed to assist in the bootloader programming of a range of Atmel devices, through several
|
|
|
|
|
* popular physical interfaces including USB. It is written in Java, however makes use of native extensions for USB
|
|
|
|
|
* support and thus is only offered on Windows.
|
|
|
|
|
*
|
|
|
|
|
* To program a device using FLIP, refer to the Atmel FLIP documentation.
|
|
|
|
|
*
|
|
|
|
|
* \subsection SSec_DFUProgrammer dfu-programmer (Linux)
|
|
|
|
|
*
|
|
|
|
|
* dfu-programmer is an open-source command line solution for the bootloader programming of Atmel devices through a
|
|
|
|
|
* USB connection, using the DFU protocol, available for download at <a>http://sourceforge.net/projects/dfu-programmer/</a>.
|
|
|
|
|
*
|
|
|
|
|
* The following example loads a HEX file into the AVR's FLASH memory using dfu-programmer:
|
|
|
|
|
* \code
|
|
|
|
|
* dfu-programmer at90usb1287 erase flash Mouse.hex
|
|
|
|
|
* \endcode
|
|
|
|
|
*
|
|
|
|
|
* \section Sec_Options Project Options
|
|
|
|
|
*
|
|
|
|
|
* The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
|
|
|
|
|