AMX AXCESS CONTROL SYSTEM PROGRAM Instruction Manual page 6

Table of Contents
Controlling Time in Axcess.............................................................................................. 79
The Wait List ................................................................................................................... 79
Multiple Waits.................................................................................................................. 81
Naming Waits.................................................................................................................. 82
Canceling, Pausing, and Restarting Waits...................................................................... 82
Special Uses of Wait ....................................................................................................... 83
The Wait_Until Keyword.................................................................................................. 83
Misusing Wait_Until......................................................................................................... 83
Naming and Removing Wait_Untils ................................................................................ 84
Timer Keywords .............................................................................................................. 84
Using Time, Date, and Day .................................................................................... 87
Time, Date, and Day Keywords ...................................................................................... 88
Using Subroutines ................................................................................................. 89
Defining a Subroutine...................................................................................................... 89
Calling subroutines................................................................................................................. 89
Local Variables and Parameters ..................................................................................... 90
Local Variables....................................................................................................................... 90
Parameters............................................................................................................................. 90
Passing values back to the caller........................................................................................... 91
Local Variables and Parameter Keywords ...................................................................... 93
Include Files and System_Calls ............................................................................ 95
Managing Large Programs.............................................................................................. 95
Include files ............................................................................................................................ 95
System_Calls and Library files........................................................................................ 96
Factory System_Calls ..................................................................................................... 97
Pre-Processor Statements .................................................................................. 101
Debugging ............................................................................................................. 103
Types of Errors.............................................................................................................. 103
Compilation Errors and Warnings ................................................................................. 103
Run-Time Errors............................................................................................................ 105
Using AMX BUG .................................................................................................................. 105
Tracking down your errors ............................................................................................ 106
Tracing program flow ........................................................................................................... 106
Viewing Variables.......................................................................................................... 107
Compiler Error Messages .................................................................................... 109
The External_Control Protocol ........................................................................... 113
Controlling Axcess from the Outside............................................................................. 113
iv Axcess Programming Language