81dc72dea6
The Camera is a 640x480 JPEG camera. The driver currently supports: - Picture, Thumbnail, EXIF download. - Delete Single Picture git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@4417 67ed7778-7388-44ab-90cf-0a291f65f57c
117 lines
2.5 KiB
HTML
117 lines
2.5 KiB
HTML
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USB control messages:<nr>
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<ul>
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<li>Command : (cmd << 8) | param
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<li>Index : only set for read
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<li>Buffer : arguments, usually in WORDs
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</ul>
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<table>
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<tr>
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<td>Commandname</td>
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<td>R/W</td>
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<td>Code</td>
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<td>Param</td>
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<td>Ind.</td>
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<td>Data</td>
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<td>Description</td>
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</tr>
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<tr>
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<td>Init Camera</td>
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<td>W</td>
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<td>0xD7</td>
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<td>1</td>
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<td>-</td>
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<td>-</td>
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<td>Send for opening the camera.</td>
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</tr>
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<tr>
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<td>Exit Camera</td>
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<td>W</td>
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<td>0xD8</td>
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<td>0</td>
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<td>-</td>
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<td>-</td>
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<td>Send for closing the camera.</td>
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</tr>
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<tr>
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<td>Select Picture</td>
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<td>W</td>
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<td>0xB2</td>
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<td>0</td>
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<td>-</td>
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<td>WORD picnum</td>
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<td>Select <b>picnum</b> picture (first is 1).</td>
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</tr>
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<tr>
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<td>Download Image</td>
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<td>W</td>
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<td>0x93</td>
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<td>Flags, 0x10,0x01. 0x00 works just fine.</td>
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<td>-</td>
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<td>-</td>
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<td>Download selected picture by doing bulk reads (until no more data).</td>
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</tr>
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<tr>
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<td>Download Thumbnail</td>
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<td>W</td>
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<td>0x9B</td>
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<td>0x00 ?</td>
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<td>-</td>
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<td>-</td>
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<td>Download selected thumbnail by doing bulk reads (until no more data).</td>
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</tr>
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<tr>
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<td>Download Exif</td>
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<td>W</td>
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<td>0xE5</td>
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<td>0x00</td>
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<td>-</td>
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<td>-</td>
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<td>Download EXIF data for selected picture by doing bulk reads (until no more data).</td>
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</tr>
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<tr>
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<td>Get Picture Info</td>
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<td>R</td>
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<td>0xAD</td>
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<td>0x00</td>
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<td>picnum</td>
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<td>4 words: percentage, index number (in camera?), flags, unknown</td>
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<td>Apparently gets image information about images in camera.</td>
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</tr>
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<tr>
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<td>Get Picture Fileentry</td>
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<td>R</td>
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<td>0xB9</td>
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<td>0x00</td>
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<td>-</td>
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<td>WORD check;<br>CHAR filename[14] (byteflipped) from 2..16<br>DWORD filesize (32bit?), unknown(32bit?) <BR></td>
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<td>Gets the directory entry of the file.</td>
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</tr>
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<tr>
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<td>Delete Picture</td>
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<td>R</td>
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<td>0xBA</td>
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<td>WORD flag;</td>
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<td>-</td>
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<td>WORD result;</td>
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<td>Deletes the selected picture. Parameter might be 0x40 (delete?) or 0x00 (?).</td>
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</tr>
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<tr>
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<td>Get Number of Pictures?</td>
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<td>R</td>
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<td>0xB6</td>
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<td>0x00</td>
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<td>-</td>
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<td>WORD unknown<br>
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WORD numpics<br>
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WORD unknown<br>
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DWORD freemem?
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</td>
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<td>Gets several global parameters, like the number of pictures.The
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last 32bit appear to be free memory?</td>
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</tr>
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</table>
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