Advantech PCI-1718 Series Uživatelský manuál stáhnout pdf (Strana 53)

45 Chapter 4

4.3.3 Pacer Trigger Mode with Interrupt and FIFO

MUX Scan

Channel Control &

A/D Range

Control

Set Scan Channel

w Base+0 1H

w Base+0 2 H

Clear FIFO

Set To Pacer

Trigger Mode To

Enable Trigger

w Base+0 9H

w Base+ 19H

Interrupt

Set Pacer Trigger

and Disable

Generated

Interrupt

Set To Software

Trigger Mode To

Disable Trigger

w Base+ 0AH

w Base+ 09H

Enable FIFO

Interrupt

w Base+0 6H

Set ISR

Clear FIFO

Interrupt Request

w Base+ 14 H

Clear FIFO

Interrupt Request

Get 512

Samples data

(Half-Full of FIFO)

w Base+ 14 H

r Base+ 17H

r Base+18H

Start ISR

Clear System

Interrupt request

End of ISR

Set Pacer Rate

Base+0 CH~

Base+0FH

Clear System

Interrupt Request

w Base+0 2H

Enable System To

Accept Interrupt

System Ready For

Data Acquisition

Set To Software

Trigger Mode To

Disable Trigger

Restore ISR

Disable Generated

Interrupt

w Base+0 9 H

w Base+0 9H

Disable System

To Accept

Interrupt

Clear FIFO w Base+ 19H

Stop ISR

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