Denso BHT-200QW Dokumentacja Pobierz pdf (Strona 138)

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[ 2 ] I/O devices capable of being monitored by the event polling

Listed below are the I/O devices which the event polling can monitor.

I/O Devices Monitor Means Events

Keyboard

INKEY$ function

Input of one character

from the keyboard

Bar code reader

EOF or LOC function

Presence/absence of bar

code data input or the

number of read characters

(bytes)

Receive buffer

EOF, LOC, or LOF

function

Presence/absence of

receive data or the number

of received characters

(bytes)

Timer

TIMEA, TIMEB, or

TIMEC function

Timer count-up

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

Monitoring with the INP Function

Monitoring with the INP FunctionMonitoring with the INP Function

Monitoring with the INP Function

Combining the INP function with the above functions enables more elaborate programming

for event polling.

For the INP function, refer to Appendix D, "I/O Ports."

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