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Amman_1 0 Newbie Poster

Please Guide me i have data which is in ascii form.
First i need to convert into hexa then from hexa values generate image in .png

here are values which are in ascii form
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

`Inline Code Example Here`
1、Function description
Upload fingerprint features stored in the TZ_BUF 

2、Instruction format
Byte    1   2   3   4   5   6   7       8   9
Command 0x02    0x00    0x04    0x13    0x00    0x00    0x00    None    0x17    0x03
Command size    1   1   1   1   1   1   1   0   1   1
Instruction illustration：
0x02 0x00 0x04 0x13 0x00 0x00 0x00 0x17 0x03

3、Succeed response：
Byte    1   2   3   4   5           
Command 0x02    0x??    0x??    0x00    0x13    Fingerprint features    0x??    0x03
Command size    1   1   1   1   1   <=256    1   1
Note: Fingerprint features are capturing fingerprint features value, whose length is not longer than 256 bytes

4、Failed response：
Byte    1   2   3   4   5       6   7
Command 0x02    0x00    0x02    ECODE   0x13    None    0x??    0x03
Command size    1   1   1   1   1   0   1   1
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