1.1.5 SAM E70 Xplained Ultra Kit: Building and Running the SPI Bootloader applications

Path of the application within the repository is apps/spi_bootloader/

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

Bootloader Application

Project NameDescription
bootloader/firmware/sam_e70_xpro.XMPLABX Project for SAM E70 Xplained Ultra Kit

Test Application

Project NameDescription
test_app/firmware/sam_e70_xpro.XMPLABX Project for SAM E70 Xplained Ultra Kit

Setting up SAM E70 Xplained Ultra Kit

spi_bootloader_host_target_connection

  • Connect the MOSI Pin 16 (PC04) on EXT2 of the Host development kit to the Pin 16 (PD21) on EXT1 header of the Target development kit

  • Connect the MISO Pin 17 (PC07) on EXT2 of the Host development kit to the Pin 17 (PD20) on EXT1 header of the Target development kit

  • Connect the CS Pin 15 (PC06) on EXT2 of the Host development kit to the Pin 06 (PB02) on EXT1 header of the Target development kit

  • Connect the SCK Pin 18 (PC05) on EXT2 of the Host development kit to the Pin 18 (PD22) on EXT1 header of the Target development kit

  • Connect the BUSY Pin 09 (PD00) on EXT2 of the Host development kit to the Pin 09 (PD28) on EXT1 header of the Target development kit

  • Connect a ground wire between Host development kit and Target development kit

  • Connect the Debug USB port on the Host development kit to the computer using a micro USB cable

  • Connect the Debug USB port on the Target development kit to the computer using a micro USB cable

Building and Configuring SPI Host Applications

Using SPI SDCARD Host application to send the application binary to Target development kit

host_app_sdcard_setup

if SDCARD Host Development Kit being used is SAM E54 Xplained Pro Evaluation Kit, follow the steps mentioned in Configuring SDCARD Host application project

  1. Open the SDCARD host application project host_app_sdcard/firmware/sam_e54_xpro.X in the IDE

    • If a SDCARD host application project of different development kit is used then open that project in the IDE

  2. Build and program the SDCARD host application using the IDE on to the SPI host dvelopment kit

  3. Open the test application project test_app/firmware/sam_e70_xult.X in the IDE

  4. Build the project to generate the binary (Do not program the binary)

  5. Copy the application binary into the SD card and insert the SD card in the SD card slot available on the SAM E54 Xplained Pro Evaluation Kit

  6. Open the Terminal application (Ex.:Tera Term) on the computer

  7. Configure the serial port settings for Host Development kit as follows:

    • Baud : 115200

    • Data : 8 Bits

    • Parity : None

    • Stop : 1 Bit

    • Flow Control : None

  8. Jump to Running The Application

Running the Application

  1. Open the bootloader project bootloader/firmware/sam_e70_xult.X in the IDE

  2. Build and program the application using the IDE on to the Target development kit

  3. If the test application is being programmed, Open the Terminal application (Ex.:Tera Term) on the computer and configure the serial port settings for Target Development kit as follows:

    • Baud : 115200

    • Data : 8 Bits

    • Parity : None

    • Stop : 1 Bit

    • Flow Control : None

  4. Press the Switch SW0 on the Host development kit to trigger programming of the application binary

  5. Once the programming is complete,

    • LED3 on the Host development kit will be turned on indicating success

    • If SDCARD Host application was used to program the application binary following message will be displayed on the terminal of Host development kit

      spi_bootloader_host_app_sdcard_output

    • The target development kit will be reset. Upon re-start, the boot-loader will jump to the user application

    • If the test application is programmed then LED3 should start blinking and you should see below output on the Target development kit console

      output

  6. Press and hold the Switch SW0 to trigger Bootloader from test application and you should see below output

    output

  7. Press Reset button on the Host development kit to reprogram the application binary

  8. Repeat Steps 4-5 once

    • This step is to verify that bootloader is running after triggering bootloader from test application in Step 6

Additional Steps (Optional)

Using SDCARD Host application