# snapdragon

## Description

The Qualcomm® Snapdragon™ 855 Mobile Hardware Development Kit (HDK) is a highly integrated and optimized Android development platform.

Accessing this system:

* Qualcomm board is connected to an HPZ820 workstation (McMurdo) or to an HP Z4 workstation (Clark) through USB
* Development Environment: Android SDK/NDK
* Login to mcmurdo or clark
  * $ ssh –Y mcmurdo
* Setup Android platform tools and development environment
  * $ source /home/nqx/setup\_android.source
* Make sure you have a functining environment
  * adb kill-server
  * adb start-server
  * adb root (restart adbd as root)
  * adb devices (to make sure there is a snapdragon responding)
  * adb shell (to test connecting to the device)
* Run Hello-world on ARM cores
  * $ git clone <https://code.ornl.gov/nqx/helloworld-android>
  * $ make compile push run
* Run OpenCL example on GPU
  * $ git clone <https://code.ornl.gov/nqx/opencl-img-processing>
  * Run Sobel edge detection
    * $ make compile push run fetch
  * Login to Qualcomm development board shell
    * $ adb shell
    * $ cd /data/local/tmp

## Other Details

The snapdragon SDK uses python 2.7; you may need to explicitly specify python2 in your environment.

## Access

Access will be granted per request (as this cannot be used as a shared resource).

## Useful Links

1. Android Studio: <https://developer.android.com/studio>
2. Qualcomm HDK: <https://developer.qualcomm.com/hardware/snapdragon-855-hdk>
3. Quallcomm Neural Processor SDK: <https://developer.qualcomm.com/software/qualcomm-neural-processing-sdk>

   <https://developer.qualcomm.com/docs/snpe/overview.htm>

## Images

![Laboratory Setup](https://4244690715-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-McQDUQ3llzFCPZiz6Wq%2Fsync%2Fb7d35750ccfb7f5f34796a2e9a96a56652768a31.jpg?generation=1623954703123279\&alt=media)