Programming | Waiting for bar code input

Waiting for bar code input

Function

Suspend the user application program, waiting for bar code input.

Syntax

Detailed Description

This particular WAIT statement waits for port 0 bit 1 to go to 1, indicating that there is data in the bar code buffer. Specifying other bits as well terminates the wait, for example, on key input or when the specified timeout interval has elapsed.

Examples

Wait for bar code input

  open "bar:" as #1 code "A"
  wait 0,&h02

Wait for bar code input or key press

  open "bar:" as #1 code "A"
  wait 0,&h03

Wait for bar code input, key press, or timeout (3 seconds)

  open "bar:" as #1 code "A"
  timea = 30                 'set timeout interval to 3 seconds
  wait 0,&h13