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MPLAB® Harmony v3 Drivers on SAM E70/S70/V70/V71 Using FreeRTOS™: Step 3

Last modified by Microchip on 2023/11/09 09:08

Configure LED Pin

In this step, the User LED on the SAM E70 Xplained Ultra Evaluation Kit will be configured according to the USER_LED0 design schematic below.

User Led and User Button

User Led Diagram

Select the MPLAB® Harmony Configurator (MHC) Pin Settings tab, scroll down to Pin Number 73, Pin ID PA05, and then configure the PA05 PORT pin  s an output pin for LED functionality.

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The LED on the SAM E70 Xplained Pro board is active low. Configure the LED in default OFF state by configuring the Latch value to High.

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Rename Default File

Under the Project Graph tab, click on System, and give a name of your choice to the default template main file generated by MHC.

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The name of the default main.c is changed to main_e70.c to indicate that the referred main.c is for the SAM E70/S70/V70/V71 getting started training module.

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Configure Application Threads

Go to the Project Graph and select Harmony Core Service.

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The Configuration Options tab shows that for a Harmony Project, MHC automatically enables the generation of application files (app.c and app.h).

Change the Number of Applications to 3.

Change the Number of Applications to 3

Expand Application 0 Configuration and change the Application Name to app_sensor_thread. This will create an RTOS thread _APP_SENSOR_THREAD_Tasks.

Expand RTOS Configuration to configure Stack Size, Task Priority and Task Delay. For this thread, use the default values.

 Application 0 Configuration and change the Application Name to app_sensor_thread

Expand Application 1 Configuration and change the Application Name to app_eeprom_thread. This will create RTOS thread _APP_EEPROM_THREAD_Tasks.

Expand Application 2 Configuration and change the Application Name to app_user_input_thread. This will create RTOS thread _APP_USER_INPUT_THREAD_Tasks.

Accept the default RTOS Configuration for both threads.

Expand Application 2 Configuration and change the Application Name to app_user_input_thread

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