Low Power Application on SAM L10 Using MPLAB® Harmony v3 Peripheral Libraries: Step 1
Verify Whether the MHC Plug-in is Installed in MPLAB® X IDE
Verify that MPLAB® Harmony Configurator (MHC) is installed.
You will see MPLAB® Harmony 3 Configurator in the menu.
If you don't see it in the menu, install MHC.
Set Up MHC Plug-in Window to Open in Standalone Mode
Go to Tools > Options. You will see the Options window open.
Go to Plugins > Window Manager and select Standalone mode. Click Apply and then click OK.
Create MPLAB Harmony v3 Project Using MPLAB X IDE
Select File > New Project from the main IDE menu.
In the Categories pane of the New Project dialog window, select Microchip Embedded. In the Projects pane, select 32-bit MPLAB Harmony 3 Project, then click Next.
Browse to the folder you downloaded the framework to in the Framework Path edit box. If you haven't done this, or want to download it to a different folder, click the Launch Content Manager button, then click Next.
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, <Your_folder>\dev\saml10_low_power.
- Folder: Indicates the name of the MPLABX .X folder. Enter "sam_l10_xpro" to create a sam_l10_xpro.X folder.
- Name: Indicates the name of the project that will be shown in MPLAB X IDE. Enter "low_power_sam_l10_xpro" to set the project's name.
- Click Next to proceed to Configuration Settings.
Follow the steps below to set the project’s Configuration Settings.
- Name: Enter the configuration name as "sam_l10_xpro".
- Target Device: Select ATSAML10E16A as the target device.
After selecting the target device, click Finish to launch the MHC.
Click Launch to launch the MHC tool with the selected packages.
The MHC plug-in’s main window for the project will be displayed.
Before proceeding, set up the compiler toolchain. Click on the Projects tab on the top left pane in MPLAB X IDE. Right-click on the project name low_power_sam_l10_xpro and go to Properties.
Make sure that XC32 (v2.40) is selected as the Compiler Toolchain for XC32. Click on Apply and then click on OK.
Configure Clock Settings
Launch Clock Easy View by going to the Tools menu of the MHC window and then selecting Clock Configuration.
A new window, Clock Easy View, is opened inside MHC.
The Clock Easy View window will then appear on your screen.
Tool Tip:
- The Clock Easy View window can be minimized by clicking the minimize button, as shown below.
- After minimizing the Clock Easy View window, you can see a small Clock Easy View tab at the bottom-left in MHC, as shown below.
- The Clock Easy View window can be maximized by clicking the maximize button or by double-clicking on the Clock Easy View window, as shown below.
- These tips apply to all other plug-in managers like Pin Configuration, DMA Configuration, Event System Configuration, and EVIC Configuration.
Verify the 16 MHz Internal Oscillator (OSC16M) is enabled and select the 12 MHz ouput in the Oscillator Controller box.
Verify the Digital Frequecy Locked Loop (DFLL) is disabled.
Set OSC16M as the Generic Clock Generator 0 (GCLK0) source clock.
Enable GCLK1 and set OSC16M as the GCLK1 clock source.
Enable GCLK2 and set OSCULP32K as the GCLK2 clock source. Then, click on the Settings (wheel) button in the top right.
The Advanced Settings window will appear after clicking on the Settings (wheel) button of GCLK2. Check the box for GCLK should keep running in Standby mode.
