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| R2012a Documentation → xPC Target | |
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xPC Target Library for RS232
The Filter Interrupt Reason block filters the output of the Read Int(errupt) Status block. If the condition that the interrupt query block reads from the IIR register matches the one chosen here, the output is true.
This block is used exclusively inside the interrupt service subsystem for this board.
From the list, choose a port. This parameter specifies the port from which this block gets control data.
From the list, choose Receive data, Transmitter empty, or Modem status change. This parameter specifies the interrupt reason that this filter block is looking for.
Note that Modem status change currently has no effect because the interrupt is never enabled.
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