Using C language for PIC microcontroller (I)-EEWORLD

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Using HitechC Compiler in MPLAB-IDE

1. Load the compiler:

1. Start MPLAB-IDE and select Project-》Install Language Tool as shown below Click to view full image

2. In the pop-up Install Language Tool dialog box, the "Language Suite" option now shows Microchip. Click the arrow behind it to select the language.

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The tool I use is HI-TECH PICCME, so I choose "HI-TECH PICC".

3. Next, select the calling path of the compiler component in "Tool Name". Here, "PICC Compiler" (C compiler), "PICC Assembler" (assembler) and "PICC Linker" (linker) all need to be set.

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Use "Browse" to select the calling path, and set the calling files of the above three components to PICC.EXE. Click "OK" to complete the setting.

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2. Choose a compiler:

1. Create a new project. The default "Language Tool Suite" column in the Edit Project dialog box is "Microchip". Change it to "HI-TECH PICC".

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2. Click "flasha[.hex]" in the project file box, and the "Node Properties" button will light up. Click to enter.

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3. Set node properties. Since FLASHA.C has other related source programs that need to be added, you should select "PICC Linker" in the "Language Tool" column.

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Usually we can choose:

1) Generate debug info: Display debug information;

2) Create map file: After selecting this option, we will see the usage of ROM and RAM;

3) Error file: displays error information;

4) Compile for MPLAB ICD: If you do not use ICD, you do not need to select this item.

4. After the settings are completed, click "Add Node" to add a node.

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This project has two nodes: fla.c and flasha.c. Select the node and click "Node Properties" or double-click the node to enter the node property settings.

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5. The tool for the node file should be "PICC Compiler" (C compiler). The 4 items in the blue circle are: 1) Display debug information; 2) Local optimization; 3) Global optimization; 4) ICD compilation accessories. Selecting optimization will make the program code more reasonable and reduce the resource usage. Similarly, if you are not using ICD, the 4th item should not be selected.

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6. After completing the above settings, you can compile. The figure below is the compilation interface.

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The following is the interface of successful compilation: the blue box contains the compilation success information; the red box displays the resource usage.

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Keywords：PIC Reference address：Using C language for PIC microcontroller (I)

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