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0.2.3

1. Introduction

This programm is called hp215. It is used for accessing the HP Photosmart 215 digicam.
Linux USB Driver for the HP Photosmart 215 Camera

2. Writers

2.1. Actual maintainer: Enno Bartels <ennobartels@t-online.de> in 2002/2003
<added features:

• automake/-conf framework
• doxygen comments and framework
• configurable through options
• single picture mode
• single picture deleting incl. delete command crypt
• preview and picture file formating posiblities
• test modes
• picture rotation
• simple web page creation
• dot ini file usage

2.2. Orginal author: Jason Surprise <thesurprises1@attbi.com> in 2002.

2.3. Checksum author: Roberto Ragusa <r.ragusa@libero.it> in 2002/2003.

• Checksum code written (mostly hp_gen_cmd() )
  
  

3. The programm

The programm is in hp215.c

4. Camera commands

     Global comands
                           Bytes   | 0    1cmd 2    3    4    5    6    7    8    9    10   11   12   13   14   15
    -------------------------------+----------------------------------------------------------------------------------
     init camera              8    | 0x02 0xce 0x80 0x8a 0x84 0x8d 0x83 0x03
     get camera date/time     8    | 0x02 0xc1 0x80 0x8b 0x84 0x8e 0x8d 0x03
     Get number of pics      16    | 0x02 0xc6 0x88 0x80 0x80 0x83 0x84 0x38 0x2f 0x30 0x32 0x88 0x84 0x8e 0x8b 0x03
     Delete all pics         12    | 0x02 0xb1 0x84 0x8f 0x8f 0x8f 0x8f 0x86 0x80 0x8a 0x86 0x03

     Single picture comands
     Allways 12 bytes long
                                   | 0    1cmd 2    3    4    5    6    7    8    9    10    11 
    -------------------------------+---------------------------------------------------------------
     Request for a preview         | 0x02 0xb3 0x84 0x80 ...                                 0x03
     Request for a picture         | 0x02 0xb4 0x84 0x80 ...                                 0x03
     Request date/time for preview | 0x02 0xc5 0x84 0x80 ...                                 0x03
     Request for deleting one pic  | 0x02 0xb1 0x84 0x80 ...                                 0x03

0x02 = Startcode for a command
0x03 = Endcode for a command

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