X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/8cfa2e802332957d461dadfca156a847cf8f0cc3..2db71bc8a48a042d49a63b27723d9bcb27a35542:/Bootloaders/MassStorage/BootloaderMassStorage.txt diff --git a/Bootloaders/MassStorage/BootloaderMassStorage.txt b/Bootloaders/MassStorage/BootloaderMassStorage.txt index f7b303858..e09484793 100644 --- a/Bootloaders/MassStorage/BootloaderMassStorage.txt +++ b/Bootloaders/MassStorage/BootloaderMassStorage.txt @@ -13,7 +13,7 @@ * \li Series 7 USB AVRs (AT90USBxxx7) * \li Series 6 USB AVRs (AT90USBxxx6) * \li Series 4 USB AVRs (ATMEGAxxU4) - See \ref SSec_Aux_Space - * \li Series 2 USB AVRs (AT90USBxx2, ATMEGAxxU2) - See \ref SSec_Aux_Space + * \li ATMEGA32U2 - See \ref SSec_Aux_Space * * \section Sec_Info USB Information: * @@ -57,6 +57,25 @@ * When the bootloader is running, the board's LED(s) will flash at regular intervals to distinguish the * bootloader from the normal user application. * + * \warning THIS BOOTLOADER IS NOT SECURE. Malicious entities can recover written data, even if the device + * lockbits are set. + * + * \section Sec_Running Running the Bootloader + * + * This bootloader is designed to be started via the HWB mechanism of the USB AVRs; ground the HWB pin (see device + * datasheet) then momentarily ground /RESET to start the bootloader. This assumes the HWBE fuse is set and the BOOTRST + * fuse is cleared. + * + * For board specific exceptions to the above, see below. + * + * \subsection SSec_XPLAIN Atmel Xplain Board + * Ground the USB AVR JTAG's \c TCK pin to ground when powering on the board to start the bootloader. This assumes the + * \c HWBE fuse is cleared and the \c BOOTRST fuse is set as the HWBE pin is not user accessible on this board. + * + * \subsection SSec_Leonardo Arduino Leonardo Board + * Ground \c IO13 when powering the board to start the bootloader. This assumes the \c HWBE fuse is cleared and the + * \c BOOTRST fuse is set as the HWBE pin is not user accessible on this board. + * * \section Sec_Installation Driver Installation * * This bootloader uses the Mass Storage drivers inbuilt into all modern operating systems, thus no additional