82066163-7050-ab49-b8cc-b3855e8d2252

This Extension Unit used for Logitech RightLight Technology.

* Most Logitech Cams support so called "RightLight Technology" * It is software based multi field mesuring and adopted exposure * settings. * The thecnology works as fallow: * the image on the cam will splitted to 8 fields, each field has two parts. * -  To get the light intensity of one field, * |   |   |   |   |  host should SET the adress of field and then * |  c4   |  c5   |  GET the result. The result has two bytes, * -  first byte is the left part of the field, * |   |   |   |   |  sesond byte is the right part of the field. * |  c6   |  c7   | * - *  |   |   |   |   | *  |  c8   |  c9   | * - *  |   |   |   |   | *  |  ca   |  cb   | * - *

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/* With CS 5 we set the adress of field * On CS 6 we get results. */
 * 1) define XU_CS_MESURE_FIELD 5
 * 2) define XU_CS_MESURE_FIELD_RET 6

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