Get-Function Listing - ViewSonic IFP32 Series User Manual

Get-Function Listing

The PC can interrogate the LFD for specific information. The Get-Function packet
format consists of 9 bytes which is similar to the Set-Function packet structure.
Note that the "Value" byte is always = 000.
Get-Function Description:
Length:
TV/DS ID
Command Type
Command:
Value[1~3]:
CR
Get-Function Format
Send: (Command Type="g")
Name Length
Byte
1 Byte
Count
Bytes
1
order
Reply: (Command Type="r" or "-")
If the Command is valid, Command Type = "r"
Name Length
Byte 1 Byte
Count
Bytes 1
order
If the Command is NOT valid, Command Type = "-"
Name
Byte
Count
Bytes
order
Total Byte of Message excluding "CR".
Identification for each of TV/DS (01~98; default is 01).
Identify command type,
"g" (0x67h) : Get Command
"r" (0x72h) : Valid command Reply
"-" (0x2Dh) : Invalid command Reply
Function command code: One byte ASCII code.
Three bytes ASCII that defines the value.
0x0D
ID Command Type
2
1 Byte
Byte
2~3 4
ID Command Type
2 1 Byte
Byte
2~3 4
Length ID
1 Byte 2 Byte
1 2~3
Command Value1 Value2 Value3
1 Byte 1 Byte
5 6
Command Value1 Value2 Value3
1 Byte 1 Byte
5 6
Command Type
1 Byte
4
109
CR
1 Byte 1 Byte
Byte
7 8
CR
1 Byte 1 Byte
Byte
7 8
CR
1 Byte
5
1
9
1
9