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I am trying to learn mplab xc8. I am familiar with C and C++. I have written some code using these languages. But while I am trying to learn mplab, I couldn't find any good source or book. For example I know what TRIS means but I don't know how to write it to program (btw I know how).
Neither datasheet nor mplab help section worked for me. I mean for example while I am learning C language there are a lot of books which explain code and how to use it.
Where should I start to study?
There is some resources about Microchip on their developer's website. You will find some example about 8,16,32 bits microcontrollers and more.
You can also take a look on some code examples.
Did you ever write some code for microcontrollers? If not, buy a development board, you will have plenty of code examples for a specific dev board.
(Note that, when I last checked, MPLAB X IDE is supplied separately from the compilers XC8, XC16, and XC32.)
XC8 compiles C89 a.k.a. C90 with a few extensions, all documented in the User Guide. (Soon it will compile C99 and C11 when asked, but that has not yet been released.)
When you #include <xc.h>, that pulls in declarations for the various Special Function Registers on the chip you select at compile-time. These SFRs are specified as integers and bitfields of appropriate sizes. You simply read from them and write to them just like you would any other variable.
