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7.9.2 Windows 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
communication device.
112
EnableCommNotification
Permits or prohibits the posting of WM_COMMNOTIFY to
the window.
113
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
sets the event mask.
126
SetCommState
Sets the communication device to the state specified by the
device control block.
128
TransmitCommChar
Place the specified character at the head of the transmission
queue.
132
UngetCommChar
Designates a character to be read next. 133
WriteComm
Reads data from the buffer and writes it to the communication
device.
134