Unitech PA500 - Enable;Disable Scan2 Key; Send Scanner Command to Decoding Chip; Only Send Single Command Decoding Chip

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2.22. Enable/Disable Scan2Key
Function Description:
Enable or disable Scan2Key to put scanned data to standard keyboard input buffer.
Scan2Key is enabled by default.
Function call:
BOOL S2K_Enable(BOOL enable, DWORD timeout);
Parameter: (input)
enable: BOOL: TRUE = Enable scanned data to keyboard buffer
FALSE = Disable scanned data to keyboard
timeout: DWORD: when enable or disable Scan2Key, it will
wait until Scan2Key has been removed from memory or
timeout specified by this parameter.
Parameter: (output)
Return: TRUE : if successfully enabled Scan2Key,
otherwise FALSE
2.23. Send scanner command to decoding chip
Function Description:
Send scanner command to decoder chip. This command will send a serial of bytes to
decoder chip as following: (Esc and BCC will be calculated and added automatically)
Esc, high-length, low-length, command-ID, operation, set, BCC
Please refer to complete command reference on section 4
BOOL HAM_SendCommand(BYTE highlen, BYTE lowlen, BYTE cmdID, BYTE op,
BYTE set);
Parameter: (input)
highlen: BYTE: high byte of command length
lowlen: BYTE: low byte of command length
cmdID: BYTE: command ID
op: BYTE: operation mode for this command
set: BYTE: operand for this command
Return:
TRUE = Indicates the command has been successfully sent to queue to output.
2.24. Only send single command decoding chip
Function Description:
Send command to decoder chip. This is a variation of command HAM_SendCommand.
It sends following command to Hamster: (note, only two bytes without BCC)
Esc, 0x80+cmd
Function call:
BOOL HAM_SendCommand1(BYTE cmd);
Parameter: (input)
cmd: BYTE: command
Return:
TRUE = indicates the command has been successfully sent to queue to output.