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MCHP

Basic ThreadX

This example application blinks an LED to show the Azure RTOS ThreadX threads that are running and to indicate status

Description

This demonstration creates a task which toggle an LED for every 500ms.

Downloading and building the application

To clone or download these applications from Github, go to the main page of this repository and then click Clone button to clone this repository or download as zip file. This content can also be downloaded using content manager by following these instructions

Path of the application within the repository is apps/basic_threadx/firmware/

To build the application, refer to the following table and open the project using its IDE.

Azure RTOS ThreadX Application

Project Name Description
sam_a5d2_xult.X MPLABX project for SAMA5D2 Xplained Ultra Evaluation Kit
sam_a5d2_xult_iar.IAR IAR project for SAMA5D2 Xplained Ultra Evaluation Kit

Setting up AT91Bootstrap loader

To load the application binary onto the target device, we need to use at91bootstrap loader. Refer to the at91bootstrap loader documentation for details on how to configure, build and run bootstrap loader project and use it to bootstrap the application binaries.

Setting up the hardware

The following table shows the target hardware for the application projects.

Project Name Board
sam_a5d2_xult.X
sam_a5d2_xult_iar.IAR		 SAMA5D2 Xplained Ultra Evaluation Kit
   

Setting up SAMA5D2 Xplained Ultra Evaluation Kit

Addtional hardware required

  • SD Card with FAT32 file system

Setting up the SD Card

  • Download harmony MPU bootstrap loader from this location
  • Copy the downloaded boot loader binary( boot.bin) onto the SD card

Setting up the board

  • SDMMC slot used for bootloading the application is SDMMC1
  • Short jumper JP2 (DEBUG_DIS)
  • Connect the Debug USB port on the board to the computer using a micro USB cable

Running the Application

  1. Build the application using its IDE
  2. Copy the output binary (named ‘harmony.bin’) onto the SD Card (Refer to the ‘Setting up hardware’ section above for setting up the SD card)
  3. Insert the SD card into SDMMC slot on the board (Refer to the ‘Setting up hardware’ section for the correct SDMMC slot)
  4. Reset the board to run the application
  5. The LED indicates the success or failure.
    • The LED toggles on success i.e. for every 500 ms.

Refer to the following table for LED name:

Board LED Name
SAMA5D2 Xplained Ultra Evaluation Kit RGB_LED(Green)