Eagle Tech 72A/C Manual de usuario descargar pdf (Pagina 31)

SERIAL Digital I/O Series User Manual Eagle Technology - Data Acquisition

Programming Interrupts

The interrupt sub-system is totally programmable and includes functions to configure, enable

and disable interrupts.

Configuring the Interrupt sub-system

A single call is necessary to configure the interrupt sub-system.

API-CALL

Long EDREIntX.IntConfigure(long Source, long Mode, long Type)

Parameter Type Description

Source long

0 Counter 0

1 Counter 1

2 Counter 2

3 Counter 3

4 Counter 4

5 Counter 5

Mode long Disable or Enable a source

0 : Disable

1 : Enable

Type long Set the type of trigger for the interrupt

No Description

0 Rising Edge

1 Falling Edge

RETURN Long This parameter contains the error code return. If =0 then no

error occurred.

Table 4-6 EDREIntX.Configure Parameters

Enabling Interrupts

A single call is necessary to enable the interrupt sub-system.

ACTIVEX-CALL

Long EDREIntX.Enable

A returned error code will contain the status of the call.

Disabling Interrupts

A single call is necessary to disable the interrupt sub-system.

ACTIVEX-CALL

Long EDREIntX.Disable

A returned error code will contain the status of the call.

Interrupt Event

If interrupts are enabled an event will occur on each interrupt. The interrupt control’s interrupt

event will be triggered. The source of the interrupt will also be passed to the event handler.

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Eagle Tech 72A/C Manual de usuario Pagina 31