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Configuration Commands
Messages starting with 8x-01-40-<00..1f> are configuration commands.
Command Command Packet Comments
SW_Port_0_Cfg 8x 01 40 00 ... ff Currently not in use.
SW_Port_1_Cfg 8x 01 40 01 ... ff Currently not in use.
SW_Port_2_Cfg 8x 01 40 02 0p ff p=0: Disable this port
p=1: Enable this port as a secondary
VISCA chain port for cameras usually
connected to codec input 2-5 (default).
p=2: Use this port as a debug port.
SW_Port_3_Cfg 8x 01 40 03 0p ff p=0: Disable this port
p=1: Enable this port as a dual visca port
(default).
p=2: Use this port as a debug port.
SW_Port_x_Push_Cfg 8x 01 40 04 0p 0q 0r ff Configure which push messages to send
for given port.
p=0/3: Configure port 0 or 3.
qr bit 0: Enable/disable SW_Input_Push.
qr bit 1: Enable/disable SW_Sync_Push.
qr bit 2: Enable/disable Enhanced VISCA.
qr = 00 is default for both ports.
Switch control commands
Messages starting with 8x-01-40-<20..3f> are switch control commands.
Command Set Command Packet Comments
SW_Input_Set 8x 01 40 20 0p ff Sets which input to use.
p=0..5
This will generate a SW_Input_Push on
the THSI Visca port if issued from the
dual visca port and vice versa.
Misc.
Command Command Packet Comments
CAM_Boot 8x 01 42 ff Reboot the switch. This will also reset
serial speed to 9600.
Inquiries
Messages starting with 8x- 09...
Command set Command Packet Reply and comments
CAM_ID_Inq 8x 09 04 22 FF Reply: 90 50 zz xx 00 yy FF
zz xx = switch rev, zz=0x40 for TVS
yy = firmware rev
CAM_SWID_Inq 8x 09 04 23 ff Reply: x0 50 [1-125 bytes SWID] ff.
SW_Input_Inq 8x 09 40 20 ff Reply 90 50 0p ff
p=Active input, 0..5
SW_Sync_Inq 8x 09 40 e0 0p ff Input: p=Input 0..5
Reply: 90 50 0p ff
p=2: Input has sync
p=3: No sync on input
SW_InputFormat_ Inq 8x 09 40 e1 ff Reply: 90 50 0p 0q ff
pq = Format for active input.
0 = 720p60
1 = 720p59.94
2 = 720p50
Push Messages
Command set Push Message Comments
SW_Input_Push x0 01 40 20 0p ff The input has been changed.
p = the new input source
SW_Sync_Push x0 01 40 e0 0p 0q ff Sync state has changed on an input.
This one will also be sent if the format is
changed, so if sync is on, send a SW_
Format_Inq.
p = source 0..5
q = state: 2 = sync, 3 = no sync
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