Minor documentation improvements.

[pub/lufa.git] / Bootloaders / MassStorage / BootloaderMassStorage.txt

diff --git a/Bootloaders/MassStorage/BootloaderMassStorage.txt b/Bootloaders/MassStorage/BootloaderMassStorage.txt
index f7b3038..e094847 100644 (file)
--- 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) - <i>See \ref SSec_Aux_Space</i>
  *  \li Series 7 USB AVRs (AT90USBxxx7)
  *  \li Series 6 USB AVRs (AT90USBxxx6)
  *  \li Series 4 USB AVRs (ATMEGAxxU4) - <i>See \ref SSec_Aux_Space</i>

- *  \li Series 2 USB AVRs (AT90USBxx2, ATMEGAxxU2) - <i>See \ref SSec_Aux_Space</i>
+ *  \li ATMEGA32U2 - <i>See \ref SSec_Aux_Space</i>

  *
  *  \section Sec_Info USB Information:
  *
  *
  *  \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.
  *
  *  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 <b>THIS BOOTLOADER IS NOT SECURE.</b> 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
  *  \section Sec_Installation Driver Installation
  *
  *  This bootloader uses the Mass Storage drivers inbuilt into all modern operating systems, thus no additional