TL866 II PLUS/Bootloader: Difference between revisions
Jump to navigation
Jump to search
(Created page with " To reset from firmware: 3D 00 00 00 86 B9 78 A5 3F 00 00 00 00 00 00 00 To reset from bootloader: 3F 00 00 00 00 00 00 00") |
No edit summary |
||
| Line 1: | Line 1: | ||
== Reset == | |||
Command <tt>3F</tt> seems to be used to reset the device. When used from the stock firmware the device resets into the bootloader, and when used from the bootloader the device resets to the stock firmware. | |||
{| class="wikitable" | |||
! Offset || Field || Size || Value || Description | |||
|- | |||
| 0 || command || 1 || <tt>3F</tt> | |||
| the command identifier | |||
|- | |||
| 1 || ''reserved'' || 7 || 0 || reserved, set to zero | |||
|} | |||
When resetting from the stock firmware, another command is transmitted first. This may be some kind of key required to permit reset? Unknown until the firmware is dumped and analyzed. | |||
{| class="wikitable" | |||
! Offset || Field || Size || Value || Description | |||
|- | |||
| 0 || command || 1 || <tt>3D</tt> | |||
| the command identifier | |||
|- | |||
| 1 || ''reserved'' || 3 || 0 || reserved, set to zero | |||
|- | |||
| 4 || key? || 4 || <tt>86 B9 78 A5</tt> | |||
| unknown, maybe just a fixed key? Set statically in the official client. | |||
|} | |||
Revision as of 18:00, 26 August 2018
Reset
Command 3F seems to be used to reset the device. When used from the stock firmware the device resets into the bootloader, and when used from the bootloader the device resets to the stock firmware.
| Offset | Field | Size | Value | Description |
|---|---|---|---|---|
| 0 | command | 1 | 3F | the command identifier |
| 1 | reserved | 7 | 0 | reserved, set to zero |
When resetting from the stock firmware, another command is transmitted first. This may be some kind of key required to permit reset? Unknown until the firmware is dumped and analyzed.
| Offset | Field | Size | Value | Description |
|---|---|---|---|---|
| 0 | command | 1 | 3D | the command identifier |
| 1 | reserved | 3 | 0 | reserved, set to zero |
| 4 | key? | 4 | 86 B9 78 A5 | unknown, maybe just a fixed key? Set statically in the official client. |