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  • Closing the port
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Stored procedures
Disables the detection of an event on a serial port. The event was managed by sEvent.
WEBDEV - Server code This function returns information regarding the server.
Example
// Detect characters on COM1 port
sEvent(1, sEveCharReceived, "Read")
sEvent(1, sEveBreak, "Break")
...
sEndEvent(1, sEveBreak)
...

// --Procedure Read(PortNum, Event)
Trace(sRead(1, sInEntryQueue(1)))
Syntax
<Result> = sEndEvent(<Port number> [, <Event to stop>])
<Result>: Boolean
  • True if the function was run,
  • False otherwise.
<Port number>: Integer
  • Number of the serial port (1, 2, 3, up to 32 for COM1, COM2, COM3, ... COM32).
  • Port number returned by sOpen (if this function was called with a port name).
<Event to stop>: Optional Integer constant (or combination of constants)
Event whose management must be stopped. If this parameter is not specified, all the events managed on the port are disabled.
sEveBreakReceive a "Break line" event
sEveCharReceivedReceive a character
sEveCTSChange of CTS status
sEveDSRChange of DSR status
sEveEntryQueue80The input buffer is full at 80%
sEveErrorDetect an error on the line
sEvePrinterErrorPrinter error detected
sEveRingDetect the "Ring" signal (ring)
sEveRLSDChange of RLSD status
sEveTransmitCompletedThe output buffer is empty
Remarks

Closing the port

When closing the port, all the events managed on this port are disabled. When re-opening the port, sEvent must be re-run to define the events managed on this port.
Business / UI classification: Business Logic
Component: wd280com.dll
Minimum version required
  • Version 9
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