MATLAB REAL-TIME WORKSHOP 7 - TARGET LANGUAGE COMPILER Uživatelský manuál stáhnout pdf (Strana 369)

100

101

Events and Callbacks

8-49

Event Types and Callback Properties

The serial port event types and associated callback properties are described

below.

Break-Interrupt Event. A break-interrupt event is generated immediately after a

break interrupt is generated by the serial port. The serial port generates a

break interrupt when the received data has been in an inactive state longer

than the transmission time for one character.

This event executes the callback function specified for the

BreakInterruptFcn

property. It can be generated for both synchronous and asynchronous read and

write operations.

Bytes-Available Event. A bytes-available event is generated immediately after a

predetermined number of bytes are available in the input buffer or a

terminator is read, as determined by the

BytesAvailableFcnMode property.

BytesAvailableFcnMode is byte, the bytes-available event executes the

callback function specified for the

BytesAvailableFcn property every time the

number of bytes specified by

BytesAvailableFcnCount is stored in the input

Table 8-9: Event Types and Callback Properties

Event Type Associated Properties

Break interrupt BreakInterruptFcn

Bytes available BytesAvailableFcn

BytesAvailableFcnCount

BytesAvailableFcnMode

Error ErrorFcn

Output empty OutputEmptyFcn

Pin status PinStatusFcn

Timer TimerFcn

TimerPeriod

1 2 ... 364 365 366 367 368 369 370 371 372 373 374 ... 407 408

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