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| R2012a Documentation → xPC Target | |
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xPC Target Library for RS232
The Enable TX Interrupt block enables the transmitter buffer empty interrupt when data is present in the software FIFO.
The input port for controlling this is a Boolean value. If the input port value is true, the Enable Transmit Interrupt block enables the transmitter buffer empty interrupt in the UART. After the interrupt service routine empties the software FIFO, the interrupt is disabled.
Enter the base address of the UART for which you want to enable the transmitter buffer empty interrupt.
From the list, choose a port. This parameter specifies the input port for which this block enables the interrupt.
If only one board of this type is in the target PC, enter
-1
to automatically locate the board.
If two or more boards of this type are in the target PC, enter the bus number and the PCI slot number of the board associated with this driver block. Use the format [BusNumber, SlotNumber]. To determine the bus number and the PCI slot number, type
getxpcpci
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