List of all I2C commands between Dual Hero Bacpac and Hero 3+ Black.

GoPro-I2Ccommands.md

op	label	description	addr	arguments	remark
vs	GET_BACPAC_PROTOCOL_VERSION	get protocol version	-	none	bacpac must reply with the correct verification string
TD	SET_CAMERA_SETTING	set camera setting	-	values returned by td	set settings and enter 3D mode
TM	SET_BACPAC_DATE_TIME	set time	1-6	YY MM DD hh mm ss
TM	SET_CAMERA_DATE_TIME	set time	1-6	YY MM DD hh mm ss
CM	SET_BACPAC_MODE	camera mode	7	0 video; 1 photo; 2 burst photo; 3 timelapse; 5 playback; 7 menu (r/o)
CM	SET_CAMERA_MODE	camera mode	7	0 video; 1 photo; 2 burst photo; 3 timelapse; 5 playback; 7 menu (r/o)
PR	SET_BACPAC_PHOTO_RESOLUTION	photo resolution	8	3 5MP Medium; 4 7MP Wide; 5 12MP Wide; 6 7MP Medium
PR	SET_CAMERA_PHOTO_RESOLUTION	photo resolution	8	3 5MP Medium; 4 7MP Wide; 5 12MP Wide; 6 7MP Medium
VR	SET_BACPAC_VIDEORESOLUTION	video resolutions (obsolete)	9	defunct
VR	SET_CAMERA_VIDEORESOLUTION	video resolutions (obsolete)	9	defunct
VV	SET_BACPAC_VIDEORESOLUTION_VV	video resolutions advance	10	0 WVGA; 1 720P; 2 960P; 3 1080P; 4 1440P; 5 2.7K; 6 4K; 7 2.7K17:9; 8 4K17:9; 9 1080Super; 10 720Super
VV	SET_CAMERA_VIDEORESOLUTION_VV	video resolutions advance	10	0 WVGA; 1 720P; 2 960P; 3 1080P; 4 1440P; 5 2.7K; 6 4K; 7 2.7K17:9; 8 4K17:9; 9 1080Super; 10 720Super
FS	SET_BACPAC_FRAMES_PER_SEC	frame rate	11	0 12fps; 1 15fps; 2 24fps; 3 25fps; 4 30fps; 5 48fps; 6 50fps; 7 60fps; 8 100fps; 9 120fps; 10 240fps; 11 12.5fps
FS	SET_CAMERA_FRAMES_PER_SEC	frame rate	11	0 12fps; 1 15fps; 2 24fps; 3 25fps; 4 30fps; 5 48fps; 6 50fps; 7 60fps; 8 100fps; 9 120fps; 10 240fps; 11 12.5fps
FV	SET_BACPAC_FOV	field of view	12	0 ultra wide; 1 medium; 2 narrow
FV	SET_CAMERA_FOV	field of view	12	0 ultra wide; 1 medium; 2 narrow
EX	SET_BACPAC_EXPOSURE	exposure meter	13	0 off; 1 on
EX	SET_CAMERA_EXPOSURE	exposure meter	13	0 off; 1 on
TI	SET_BACPAC_PHOTO_XSEC	time lapse interval	14	0 0.5sec; 1 1sec; 2 2sec; 5 5sec; 10 10sec; 30 30sec; 60 60sec
TI	SET_CAMERA_PHOTO_XSEC	time lapse interval	14	0 0.5sec; 1 1sec; 2 2sec; 5 5sec; 10 10sec; 30 30sec; 60 60sec
TS	SET_BACPAC_TIME_LAPSE	time lapse (obsolete)	15	defunct
TS	SET_CAMERA_TIME_LAPSE	time lapse (obsolete)	15	defunct
BS	SET_BACPAC_BEEP_SOUND	beep sound	16	0 off; 1 70%; 2 100%
BS	SET_CAMERA_BEEP_SOUND	beep sound	16	0 off; 1 70%; 2 100%
VM	SET_BACPAC_NTSC_PAL	video mode	17	0 NTSC; 1 PAL
VM	SET_CAMERA_NTSC_PAL	video mode	17	0 NTSC; 1 PAL
DS	SET_BACPAC_ONSCREEN_DISPLAY	OSD	18	0 off; 1 on
DS	SET_CAMERA_ONSCREEN_DISPLAY	OSD	18	0 off; 1 on
LB	SET_BACPAC_LEDBLINK	LED blinkings	19	0 off; 1 2; 2 4
LB	SET_CAMERA_LEDBLINK	LED blinkings	19	0 off; 1 2; 2 4
PN	SET_BACPAC_PHOTO_INVIDEO	simultaneous video and photo	20	0 off; 1 5sec; 2 10sec; 3 30sec; 4 60sec
PN	SET_CAMERA_PHOTO_INVIDEO	simultaneous video and photo	20	0 off; 1 5sec; 2 10sec; 3 30sec; 4 60sec
LO	SET_BACPAC_LOOPING_MODE	looping video	21	0 off; 1 5min; 2 20min; 3 60min; 4 120min; 5 max
LO	SET_CAMERA_LOOPING_MODE	looping video	21	0 off; 1 5min; 2 20min; 3 60min; 4 120min; 5 max
CS	SET_BACPAC_CONTINUOUS_SHOT	continuous shot	22	0 single; 3 3shot/sec; 5 5shot/sec; 10 10shot/sec
CS	SET_CAMERA_CONTINUOUS_SHOT	continuous shot	22	0 single; 3 3shot/sec; 5 5shot/sec; 10 10shot/sec
BU	SET_BACPAC_BURST_RATE	burst unit	23	0 3shot/1sec; 1 5shot/1sec; 2 10shot/1sec; 3 10shot/2sec; 4 30shot/1sec; 5 30shot/2sec; 6 30shot/3sec
BU	SET_CAMERA_BURST_RATE	burst unit	23	0 3shot/1sec; 1 5shot/1sec; 2 10shot/1sec; 3 10shot/2sec; 4 30shot/1sec; 5 30shot/2sec; 6 30shot/3sec
PT	SET_BACPAC_PROTUNE_MODE	protune	24	0 off; 1 on; 2 PROTUNE_RESET
PT	SET_CAMERA_PROTUNE_MODE	protune	24	0 off; 1 on; 2 PROTUNE_RESET
AO	SET_BACPAC_AUTO_POWEROFF	auto power off	25	0 manual; 1 1min; 2 2min; 3 5min
AO	SET_CAMERA_AUTO_POWEROFF	auto power off	25	0 manual; 1 1min; 2 2min; 3 5min
WB	SET_BACPAC_WHITE_BALANCE	white balance	26	0 auto; 1 3000K; 2 5500K; 3 6500K; 4 Cam RAW
WB	SET_CAMERA_WHITE_BALANCE	white balance	26	0 auto; 1 3000K; 2 5500K; 3 6500K; 4 Cam RAW
SH	SET_BACPAC_SHUTTER_ACTION	shutter action	-	defunct
SR	SET_BACPAC_3D_SYNC_READY	sync ready	-	0 CAPTURE_STOP; 1 CAPTURE_START; 2 CAPTURE_INTERMEDIATE (PES only); 3 PES interim capture complete
WI	SET_BACPAC_WIFI	bacpac wifi on	-	defunct
FN	SET_BACPAC_FAULT	fault notification	-	6 3D sync lost; 12 SC_APPLIED_TD
PW	SET_BACPAC_POWER_DOWN	power state	-	0 off
SY	SET_CAMERA_3D_SYNCHRONIZE	I2C shutter from bacpac	-	0 STOP_RECORD; 1 START_RECORD
UM	SET_CAMERA_USBMODE	usb mode	-	0 internal; 2 herobus
AI	SET_CAMERA_AUDIOINPUTMODE	set audio input mode	-	0 internal; 1 herobus
VO	SET_CAMERA_VIDEO_OUTPUT	set composite video signal mode	-	0 off; 1 herobus
PW	SET_CAMERA_POWER_STATE	power state	-	0 off
FN	SET_CAMERA_FAULT	fault notification	-	6 3D sync lost; 12 SC_APPLIED_TD
SH	SET_CAMERA_SHUTTER_ACTION	shutter action	-	defunct
UP	SET_BACPAC_FLIP_MIRROR	upside down	33	0 on; 1 off
UP	SET_CAMERA_FLIP_MIRROR	upside down	33	0 on; 1 off
DM	SET_BACPAC_DEFAULT_MODE	default mode at power up	34	0 video; 1 photo; 2 burst photo; 3 time lapse
DM	SET_CAMERA_DEFAULT_MODE	default mode at power up	34	0 video; 1 photo; 2 burst photo; 3 time lapse
DL	SET_BACPAC_DELETE_LAST	delete last	-
DL	SET_CAMERA_DELETE_LAST	delete last	-
DA	SET_BACPAC_DELETE_ALL	delete all	-
DA	SET_CAMERA_DELETE_ALL	delete all	-
CO	SET_BACPAC_PROTUNE_COLOR	color	35	0 gopro color; 1 flat
CO	SET_CAMERA_PROTUNE_COLOR	color	35	0 gopro color; 1 flat
GA	SET_BACPAC_PROTUNE_GAIN	ISO limit (gain)	36	0 6400; 1 1600; 2 400
GA	SET_CAMERA_PROTUNE_GAIN	ISO limit (gain)	36	0 6400; 1 1600; 2 400
SP	SET_BACPAC_PROTUNE_SHARPNESS	sharpness	37	0 high; 1 medium; 2 low
SP	SET_CAMERA_PROTUNE_SHARPNESS	sharpness	37	0 high; 1 medium; 2 low
EV	SET_BACPAC_PROTUNE_EXPOSURE_VALUE	exposure compensation	38	6 -2.0; 7 -1.5; 8 -1.0; 9 -0.5; 10 ±0; 11 +0.5; 12 +1.0; 13 +1.5; 14 +2.0
EV	SET_CAMERA_PROTUNE_EXPOSURE_VALUE	exposure compensation	38	6 -2.0; 7 -1.5; 8 -1.0; 9 -0.5; 10 ±0; 11 +0.5; 12 +1.0; 13 +1.5; 14 +2.0
XS	SET_BACPAC_SLAVE_SETTINGS	xfer settings	-	2 write
XS	SET_CAMERA_SLAVE_SETTINGS	xfer settings	-	0 stop; 1 read
HB	SET_BACPAC_HEARTBEAT	bacpac heartbeat	-	255 write
cv	GET_CAMERA_INFO	version string	-
td	GET_CAMERA_SETTING	current setting	-	none	get settings and enter 3D mode
um	GET_CAMERA_USBMODE	usb mode	-	0 internal; 2 herobus
ai	GET_CAMERA_AUDIOINPUTMODE	get audio input mode	-	0 internal; 3 herobus
wi	GET_CAMERA_WIFI_STATUS	wifi status	-	0 off; 1 on	slave camera returns NAK