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Is there any significatn advantage of using ROM_GPIOPinRead over GPIOPinRead?


I want to read the status of a pin,




I am hoping to use this method to read the status. What is the return value? Where can i find the documentation which contains aboout GPIOPinRead?


Thank you.


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There is an advantage: space (flash) saving - the ROM_ is contained in separate space, not in flash, so all flash can be dedicated to application. Tested and checked (although there are two or three functions which are bad implemented).

The main documentation can be the StellarisWare\TivaWare - since these are based on the driverlib functions. Other documentation - check the CD which came with the board - it could be there (some .pdf) or download from TI. Worth the effort - you can find out some good application notes.


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