summaryrefslogtreecommitdiff
path: root/contrib/restore-dfu-bootloader.txt
diff options
context:
space:
mode:
authorChristian Pointner <equinox@spreadspace.org>2021-09-23 19:06:43 +0200
committerChristian Pointner <equinox@spreadspace.org>2021-09-23 19:06:43 +0200
commit50aaefda801e97acd1d2bcc188b4fd8908eab1cc (patch)
tree94f7c9d8eebb7eb2a26d80d152ff8705344d5bc6 /contrib/restore-dfu-bootloader.txt
parentadd support for sparkfun ProMicro (diff)
add instructions to restore the DFU bootloader vor atmega usb devices
Diffstat (limited to 'contrib/restore-dfu-bootloader.txt')
-rw-r--r--contrib/restore-dfu-bootloader.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/contrib/restore-dfu-bootloader.txt b/contrib/restore-dfu-bootloader.txt
new file mode 100644
index 0000000..690edec
--- /dev/null
+++ b/contrib/restore-dfu-bootloader.txt
@@ -0,0 +1,10 @@
+Downlaod:
+
+ $ wget http://www.atmel.com/Images/megaUSB_DFU_Bootloaders.zip
+ $ mkdir megaUSB_DFU_Bootloaders
+ $ cd megaUSB_DFU_Bootloaders
+ $ unp ../megaUSB_DFU_Bootloaders.zip
+
+Flash:
+
+ # avrdude -p m32u4 -c arduino -U flash:w:ATMega32U4-usbdevice_dfu-1_0_0.hex -U lfuse:w:0x5e:m -U hfuse:w:0x99:m -U efuse:w:0xc3:m -P /dev/ttyACM0