Control Protocols

There are two control modes, one is through UVC standard protocol, the other is through UVC custom protocol with extension unit.

Standard Protocol

Name	Field	Bytes	Default	Max	Stored	Flash Address	Note
Gain	gain	2	24	48	√	0x12	valid if manual-exposure
Brightness	brightness/exposure_time	2	120	240	√	0x14	valid if manual-exposure
Contrast	contrast/black_level_calibration	2	127	255	√	0x10	valid if manual-exposure

Name	Field	Bytes	Default	Min	Max	Stored	Flash Address	Channel	Note
Frame rate	frame_rate	2	25	10	60	√	0x21	XU_CAM_CTRL	values: {10,15,20,25,30,35,40,45,50,55,60}
IMU frequency	imu_frequency	2	200	100	500	√	0x23	XU_CAM_CTRL	values: {100,200,250,333,500}
Exposure mode	exposure_mode	1	0	0	1	√	0x0F	XU_CAM_CTRL	0: enable auto-exposure; 1: manual-exposure
Max gain	max_gain	2	48	0	48	√	0x1D	XU_CAM_CTRL	valid if auto-exposure
Max exposure time	max_exposure_time	2	240	0	240	√	0x1B	XU_CAM_CTRL	valid if auto-exposure
Desired brightness	desired_brightness	2	192	0	255	√	0x19	XU_CAM_CTRL	valid if auto-exposure
IR control	ir_control	1	0	0	160	×	-	XU_CAM_CTRL
HDR mode	hdr_mode	1	0	0	1	√	0x1F	XU_CAM_CTRL	0: 10-bit; 1: 12-bit
Zero drift calibration	zero_drift_calibration		-	-	-	×	-	XU_HALF_DUPLEX
Erase chip	erase_chip		-	-	-	×	-	XU_HALF_DUPLEX