ID TECH SecureHead SPI with TMIV User Manual
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16.4.
Example
Following is an example when loading firmware with ID TECH
FWUpdate
software.
Step 1: Review current firmware version:
OUT
02 52 22 88 03 f9
IN
06 02 49 44 20 54 45
43
..ID TEC 250ms
48 20 54 4d 34 20 53
65
H TM4 Se
63 75 72 65 48 65 61
64
cureHead
20 53 50 49 20 52 65
61
SPI Rea
64 65 72 20 56 31 2e
34 2e 30 34 39 03 17
32
der V1.2 4.049..
B. Erase current firmware:
OUT
02 53 7e 0d 31 01 02
03
.S..1...
18sc
04 05 06 07 08 04 03
02
........
IN
01 03 1c
5a
...
Z
2.2sc
Note
: It takes about 2 seconds for SecureHead to finish erasing firmware. The host should wait for
DAV line rise and read the response 5A. The host might wait another 3 seconds to perform following
loading step.
Step 2: Download firmware:
1.
Send one byte for getting into download mode: BD.
2.
Send encrypted bin file (new firmware file).
3.
Wait for DAV line rise, get one-byte response, ignore it.
4.
Wait a few seconds (about 3 seconds).
Step 3: Check new firmware version
OUT
02 52 22 88
03 f9
.R"...
5.0sc
IN
06 02 49 44
20 54 45 43
..ID TEC
251ms
48 20 54 4d
34 20 53 65
H TM4 Se
63 75 72 65
48 65 61 64
cureHead
20 53 50 49
20 52 65 61
SPI Rea
64 65 72 20
56 31 2e 32
der V1.2
34 2e 30 35
30 03 1f
4.050..