CONTROL
- Introduction to CTRL
- CONTROL Classes
- Types of Control Functions
- 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
  With the CTRL Debugger you can debug the programming language Control.
- CtrlExtension, basics
- CTRLPPCheck
  Save time and money with increased code quality in your projects

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