CONTROL
- Introduction to CTRL
  An introduction to the product's own programming language Control(CTRL).
- CONTROL Classes
- Types of Control Functions
  An overview of the types of functions distinguished within Control.
- Control graphics
- CONTROL Functions
  - Funtions A
  - Funtions B
  - Funtions C
  - Funtions D
  - Functions E
  - Functions F
  - Functions G
  - Functions H
  - Functions I
  - Functions J
  - Functions K
  - Functions L
  - Functions M
  - Functions N
  - Functions O
  - Functions P
  - Functions Q
  - Functions R
  - Functions S
  - Functions T
  - Functions U
  - Functions V
    - v24Close()
      Closes the interface.
    - v24Open()
      Opens a serial interface with a defined baudrate.
    - v24Read()
      Reads from the interface.
    - v24Write()
      Writes data to the interface.
    - verifyOSUser()
      The function returns TRUE (in the &result parameter) if the user with the defined user name exists, the account of the user is not locked or disabled and the specified password is correct. The default user is the current operating system user.
  - Functions W
  - Functions X
  - Functions Y
  - Functions Z
- CTRL-Debugger
  Der CTRL-Debugger ermöglicht ein Debuggen der Pogrammiersprache Control.
- CtrlExtension
  Die CtrlExtension ermöglicht das Hinzufügen von benutzerdefiniertem C++-Code.

v24Close()

Closes the interface.

Synopsis

int v24Close(int handle);

Parameter


Parameter	Description
handle	The handle of v24Open

Return value

0 if OK, otherwise -1.

Error

Missing or wrong arguments.

Description

Closes the interface.

Example

main()
{
  int write, read, close, handle;
  string get;
  time max;
  //handle = 240;
  handle = v24Open("COM2", 9600, "8N1");
  DebugN(handle);
  max = 10;
  read = v24Read(handle, get, max);
  DebugN(read);
  delay(5);
  close = v24Close(handle);
  DebugN(close);
  DebugN("Get: " + get);
}

Assignment

Communication functions

Availability

CTRL