Low Power Application on SAMC2x Using MPLAB® Harmony v3 Peripheral Libraries: Step 1

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Step 1.1: Verify whether MPLAB® Code Configurator (MCC) Plugin installed in MPLAB X IDE

1

Verify that MCC is installed

• Launch MPLAB® X IDE from the Microsoft Windows® Start menu. Close any projects and files that are currently open.
• Go to Tools > Embedded.
• You will see MPLAB® Code Configurator v5: Open/Close in the menu.

mcc_setup.png

If you don't see it in the menu, install MCC.

Step 1.2: Create MPLAB Harmony v3 Project using MPLAB X IDE

1

Select File > New Project from the main IDE menu.

2

In the Categories pane of the New Project dialog, select Microchip Embedded. In the Projects pane, select 32-bit MCC Harmony Project, then click Next.

project_creation_setup.png
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If “32-Bit MCC Harmony Project” is not displayed, install MCC.

3

In the Framework Path edit box, browse to the folder where the framework has been downloaded, then click Next.

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For more information on the framework downloader, see the "MPLAB Code Configurator Overview with MPLAB Harmony Content" page.

project_path_setup.png

4

In the Project Settings window, apply the following settings:

  • Location: Indicates the path to the root folder of the new project. All project files will be placed inside this folder. The project location can be any valid path, for example, C:\microchip\harmony\v3\training\dev\samc21_low_power.
  • Folder: Indicates the name of the MPLABX .X folder. Enter "sam_c21_xpro" to create a sam_c21_xpro.X folder.
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Note: This must be a valid directory name for your operating system.

  • Name: Enter the project’s logical name as "low_power_sam_c21_xpro". This is the name that will be shown from within MPLAB X IDE.
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Note: The Path box is read-only. It will update as you make changes to the other entries.

  • Click Next to proceed to Configuration Settings.
project_naming_setup.png
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Note: Clicking on the Show Visual Help button will open a help window providing a detailed description of the various fields in the Project Settings window.

project_naming_setup_help.png

5

Follow the steps below to set the project’s Configuration Settings.

  • Name: Enter the configuration name as “sam_c21_xpro”.
  • Target Device: Select ATSAMC21J18A as the target device.
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Note: You can select the Device Family or enter a partial device name to filter the list in Target Device to make it easier to locate the desired device.

  • After selecting the target device, click Finish to launch MCC.
project_setup_finish.png
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Note: The New Project Wizard opens a Configuration Database Setup window to allow you to review the packages that will be used by the current project.

6

The MCC content manager window is displayed. In this click Select MPLAB Harmony (by default this option is selected).

mcc_launch_step.png

Click Finish to launch the MCC Configurator tool with the packages.

mcc_launch_finish.png

7

The MCC plugin’s main window for the project will be displayed.

launched_mcc_view.png

8

Before proceeding, set up the compiler toolchain. Click on the Projects tab on the top left pane. Right click on the project name low_power_sam_c21_xpro.

Go to Set Configuration and click on Customize.

project_view.png

Make sure that XC32 (v4.30) is selected as the Compiler Toolchain for XC32 and select the Simulator.
Click on Apply and then click on OK.

xc32_setup.png
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Tool Tip: If you closed MCC accidentally, and would like to open it again, go to Tools > Embedded > MPLAB Code Configurator v5: Open/Close.

Step 1.3: Verify Clock Settings

1

Launch Clock Easy View by going to the Project Graph tab in MPLABX IDE and then select Plugins > Clock Configuration.

clock_configuration_open.png

A new window, Clock Easy View, is opened in the project’s main window.

2

Click on the Clock Easy View tab, scroll to the right, and verify that the Main Clock is set to 48 MHz.

clock_configuration_setup.png
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Tool Tip: Double click on Clock Easy View tab to maximize the window.



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