82066163-7050-ab49-b8cc-b3855e8d2252
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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 | * ----------------- * .... /* With CS 5 we set the adress of field * On CS 6 we get results. */ #define XU_CS_MESURE_FIELD 5 #define XU_CS_MESURE_FIELD_RET 6 ....
