TI CC1352P Launchpad
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The is a development board equipped with the multiprotocol wireless CC1352P microcontroller. The Launchpad, when paired with the and booster packs, is fully supported by Edge Impulse, and is able to sample accelerometer & microphone data, build models, and deploy directly to the device without any programming required. The , , and boards are available for purchase directly from Texas Instruments.
If you don't have either booster pack or are using different sensing hardware, you can use the to capture data from any other sensor type, and then follow the tutorial to run your impulse. Or, you can clone and modify the open source project on GitHub.
The Edge Impulse firmware for this development board is open source and hosted on GitHub: .
To set this device up in Edge Impulse, you will need to install the following software:
Add the installation directory to your PATH
On Linux:
GNU Screen: install for example via sudo apt install screen.
Problems installing the Edge Impulse CLI?
With all the software in place it's time to connect the development board to Edge Impulse.
To interface the Launchpad with sensor hardware, you will need to either connect the BOOSTXL-SENSORS to collect accelerometer data, or the CC3200AUDBOOST to collect audio data. Follow the guides below based on what data you want to collect.
2. Connect the development board to your computer
Use a micro-USB cable to connect the development board to your computer.
3. Update the firmware
The development board does not come with the right firmware yet. To update the firmware:
Open the flash script for your operating system (flash_windows.bat, flash_mac.command or flash_linux.sh) to flash the firmware.
Wait until flashing is complete, and press the RESET button once to launch the new firmware.
Problems flashing firmware onto the Launchpad?
3. Setting keys
From a command prompt or terminal, run:
This will start a wizard which will ask you to log in, and choose an Edge Impulse project. If you want to switch projects run the command with --clean.
Which device do you want to connect to?
The Launchpad enumerates two serial ports. The first is the Application/User UART, which the edge-impulse firmware communicates through. The other is an Auxiliary Data Port, which is unused.
When running the edge-impulse-daemon you will be prompted on which serial port to connect to. On Mac & Linux, this will appear as:
Generally, select the lower numbered serial port. This usually corresponds with the Application/User UART. On Windows, the serial port may also be verified in the Device Manager
4. Verifying that the device is connected
With everything set up you can now build and run your first machine learning model with these tutorials:
Failed to flash
If the UniFlash CLI is not added to your PATH, the install scripts will fail. To fix this, add the installation directory of UniFlash (example /Applications/ti/uniflash_6.4.0 on macOS) to your PATH on:
If during flashing you encounter further issues, ensure:
The device is properly connected and/or the cable is not damaged.
You have the proper permissions to access the USB device and run scripts. On macOS you can manually approve blocked scripts via System Preferences->Security Settings->Unlock Icon
If on Linux you may want to try copying tools/71-ti-permissions.rules to /etc/udev/rules.d/. Then re-attach the USB cable and try again.
.
Install the desktop version for your operating system
See for more details
See the guide.
The Launchpad jumper connections should be in their original configuration out of the box. If you have already modified the jumper connections, see the Launchpad's for the original configuration.
You will need five extra to connect the CC3200AUDBOOST to the Launchpad, as described in the .
The CC3200AUDBOOST board requires modifications to interface properly with the CC1352P series of Launchpads. The full documentation regarding these modifications is available from Texas Instruments in their , and a summary of the steps to configure the board are shown below.
The pin connections shown below are required by TI to interface between the two boards. Connect the pins by using jumper wires and following the diagram. For more information see the CC3200AUDBOOST and
Perform all modifications to the Launchpad and audio booster pack described in the
, and unzip the file.
See the section for more information.
If a selected serial port fails to connect. Test the other port before checking for other common issues.
Alternatively, recent versions of Google Chrome and Microsoft Edge can collect data directly from your development board, without the need for the Edge Impulse CLI. See for more information.
That's all! Your device is now connected to Edge Impulse. To verify this, go to , and click Devices. The device will be listed here.
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Looking to connect different sensors? The lets you easily send data from any sensor into Edge Impulse, and you can with custom firmware or sensor data.
Alternatively, the gcc/build/edge-impulse-standalone.out binary file may be flashed to the Launchpad using the UniFlash GUI or web-app. See the for more info.
