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authorDean Camera <dean@fourwalledcubicle.com>2014-07-15 22:02:19 +1000
committerDean Camera <dean@fourwalledcubicle.com>2014-07-15 22:02:19 +1000
commit0c15a451280d2ff2b2fd962b4c3f9fc4812d3cbf (patch)
tree9b7a33f1368d76373ff19b1337404681745bc153 /Bootloaders/DFU
parentd90ef9aa2f97a5f8b5fd2cf0bd9564025d069f6e (diff)
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Update bootloader documentation to include execution instructions.
Diffstat (limited to 'Bootloaders/DFU')
-rw-r--r--Bootloaders/DFU/BootloaderDFU.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/Bootloaders/DFU/BootloaderDFU.txt b/Bootloaders/DFU/BootloaderDFU.txt
index b6ba45553..e63bcc1f0 100644
--- a/Bootloaders/DFU/BootloaderDFU.txt
+++ b/Bootloaders/DFU/BootloaderDFU.txt
@@ -55,6 +55,22 @@
* 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_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 is designed to be compatible with Atmel's provided Windows DFU class drivers. You will need to