The downloads below are freely available and downloadable from Microchip and Hi-Tech websites. The MPLAB IDE and HI-TECH PIC C LITE Compiler.

Getting Started with C Programming of Microchip PICs is made simpler with my book series 'Beginner's Guide to Embedded C Programming. C Programming is just like any other compiler including the BASIC compilers in that it takes a higher level of programming language and converts it to assembly code that gets assembled into the 1's and 0's that get programmed into the Microchip PIC device. MPLAB is the software recommended to write software for the Microchip PIC devices and it now has been updated to MPLAB X. The differences are many and one of the biggest is that MPLAB X will run on Windows, Linux or Mac while the original MPLAB only runs on Windows. The C Compiler used with MPLAB for the 8-bit PIC devices, that we focus on here at this site, is name the HI-TECH C compiler. This was a third party compiler that Microchip bought.

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The Microchip XC8 compiler has been released with the MPLAB X to replace the HI-TECH C compiler. Underneath the XC8 though is mostly the HI-TECH C compiler so your code transfers easily. Here is the best part, both MPLAB/HI-TECH C Compiler and MPLAB X/XC8 compiler are all free to download. And not some time limited version. A full working version Software. MPLAB/HI-TECH is only available on the Microchip Archive site.

I use this setup in my books because that's all that was available back when I wrote them. The MPLAB will install and then ask you if you want to install the HI-TECH compiler so one download has it all. You can get the version I recommend for my books at this site: MPLABX/XC8 are available from the Microchip website. They require a separate download and installation. You can get them at the links on this page. You will also need a programmer plus development board and Microchip PIC device.

I used the PICkit 2 Starter kit with my books. You can still get that at various locations including here: Programmers.

Migrating to for PIC MCU is not really a hard task. The developers have taken much care in keeping it that way. In addition to the existing features of the C18 compiler, there are a lot of other added features in the HI-TECH C compiler. This post will give you an introduction to the compiler, its features and how to write C programs in it. This compiler can be used to program all 8 bit PIC MCUs.

There is one compiler for series and another for series. You can choose the compiler based on the family of controller that you are working with. Most of the time the code is interchangeable between the compilers, only the device specific references such as the configuration bits and SFRs may differ. Why the HI-TECH C compiler? The Microchip C18 compiler has been around for quite some time and has a lot documentation and device specific library functions. Yet, I feel that the HI-TECH C compiler is much more elegant and easy to program. Some of the major features are listed below.

• You no longer have to write PORTBbits.RB0 to access PORT B pin 0. Just use RB0 and you are done. Now this saves a lot of time and gives more readability to the code.

The same is true for all SFRs (INTCONbits.GIE is now just GIE). The reason is that the previous method used structures (more specifically bit-fields) to access the port pins. Now the individual bits are mapped on to their respective addresses. • Using Interrupts in your code can never be this easy. You can create an ISR like you would create a function and place the keyword ‘interrupt’ in between the return type and function name. • Functions like printf() & scanf() are now available in HI-TECH C compiler under the header file stdio.h. The c18 compiler does not have this feature.

• In C18 compiler global data chunks larger than 256 bytes cannot be accommodated without having to modify the linker scripts. I had one hell of a time adding fonts for a GLCD code I wrote some time back. On the other hand, the HI-TECH C compiler takes care of the work for you. • If you are a linux user, HI-TECH C compiler has a good integration.

• There are no device specific header files in the HI-TECH C compiler. You just have to include htc.h to all your source codes. The compiler determines which device you are using from the project properties and includes the necessary headers.

This reduces the time taken to port the code form one device to another. Teac cd p3500 service manual pdf. • Some people have reported to have better code optimization with this compiler.

I have neither verified it personally nor did I verify the authenticity of the information (I came across this information in a forum thread). Install the compiler You can download the lite version of the compiler. A lite version compiler is sufficient for any hobby project that you can think off. If you ever feel that a lite version compiler is not good enough for the work you are doing, start optimizing your code to run fast or occupy less space. If you still can’t reduce the size, the project is no longer a hobby project and you ought to buy a pro version and start selling your product. Follow the on screen instruction to install the compiler. Check the options to add the path to the MPLAB environment variables so that the IDE knows where you have installed the compiler.