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sEscape (Function) In french: sEchap Runs different functions that directly affect the bits of serial port, parallel port or infrared port, independently of the communication protocol. These functions are used to manage: - the DTR signal,
- the RTS signal,
- the XOFF and XON characters.
Remarks: - The port must be opened beforehand (sOpen).
sEscape(NumPort, "CLRDTR")
Syntax
<Result> = sEscape(<Port number> , <Function>)
<Result>: Boolean - True if the function was run,
- False otherwise. If the port was not opened beforehand (by sOpen), sEscape has no effect.
<Port number>: Integer Identifier of the port used: - Port number:
- Serial port number: 1, 2, 3, ... 32 for COM1, COM2, COM3, ... COM32.
- Parallel port number: -1, -2, -3 or -4 for LPT1, LPT2, LPT3 or LPT4.
- Infrared port number: 1, 2, 3, ... 32 for IR1, IR2, IR3, ... IR32.
- Port identifier returned by sOpen (if this function was called with a port name).
<Function>: Character string Function to run: | | | CLRBREAK | Clears the "Break line" signal. | | CLRDTR | Clears the DTR signal. | | CLRRTS | Clears the RTS signal. | | RESETDEV | Reinitializes the device if possible. | | SETBREAK | Enables the "Break Line" signal. | | SETDTR | Sends the DTR signal. | | SETRTS | Sends the RTS signal. | | SETXOFF | The transmission behaves like if the XOFF character was received. | | SETXON | The transmission behaves like if the XON character was received. |
Business / UI classification: Business Logic
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