Serial Communications Functions (Compact 2013)
3/28/2014
The following table shows the serial communications functions with a description of the purpose of each.
Function |
Description |
|---|---|
Restores character transmission for a specified communications device and places the transmission line in a nonbreak state. |
|
Retrieves information about a communications error and reports the current status of a communications device. |
|
Directs a specified communication device to perform an extended function. |
|
Retrieves the event mask value for a specified communication device. |
|
Retrieves modem control register values. |
|
Fills a buffer with communication properties data for a specified communication device. |
|
Fills in a device-control block with the current control settings for a specified communication device. |
|
Retrieves the time-out parameters for all read and write operations on a specified communication device. |
|
Discards characters from the output or input buffer of a specified communications resource. |
|
Suspends character transmission for a specified communications device and places the transmission line in a break state until the ClearCommBreak function is called. |
|
Specifies a set of events to be monitored for a communications device. |
|
Configures a communications device according to the specifications in a device-control block. |
|
Sets the timeout parameters for all read and write operations on a specified communications device. |
|
Initializes the communications parameters for a specified communications device. |
|
Transmits a specified character ahead of any pending data in the output buffer of the specified communications device. |
|
Waits for an event to occur for a specified communications device. |