Casio IT-2000W manual Windows 3.1 Communication Functions, List of communication functions

7.9.2Windows 3.1 Communication Functions

To perform communication with IrDA use API of MS-Windows. The following table lists the

specifications of the available communication functions.

List of communication functions

Function	Description	Page
BuildCommDCB	Sets the control codes to the device control block (DCB).	110
ClearCommBreak	Clears the break state of the communication device.	111
CloseComm	Transmits the current contents of the buffer, then closes the	112
	communication device.
EnableCommNotification	Permits or prohibits the posting of WM_COMMNOTIFY to	113
	the window.
EscapeCommFunction	Orders the device to execute the expanded functions.	115
FlushComm	Transmits characters from the communication device.	116
GetCommError	Reads the communication status into the buffer.	117
GetCommEventMask	Acquires the event mask, then clears it.	120
OpenComm	Opens the communication device.	121
GetCommState	Reads the device control block into the buffer.	123
ReadComm	Reads data from the communication device into the buffer.	124
SetCommBreak	Sets the communication device to the break state.	125
SetCommEventMask	Acquires the event mask from the communication device, then	126
	sets the event mask.
SetCommState	Sets the communication device to the state specified by the	128
	device control block.
TransmitCommChar	Place the specified character at the head of the transmission	132
	queue.
UngetCommChar	Designates a character to be read next.	133
WriteComm	Reads data from the buffer and writes it to the communication	134
	device.

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