Texas Instruments SimpleLink CC3220-OV788 Application Report

Audio/video streaming reference

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SimpleLink™ CC3220-OV788 Audio/Video Streaming
This document demonstrates the ability of the CC3220 to provide a full system solution for audio-video
streaming applications.
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Key System Specifications
Trademarks
SimpleLink is a trademark of Texas Instruments.
iOS is a trademark of Apple.
Android is a trademark of Google LLC.
Wi-Fi is a registered trademark of Wi-Fi Alliance.
All other trademarks are the property of their respective owners.
SWRA599 - March 2018
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Copyright © 2018, Texas Instruments Incorporated
ABSTRACT
Contents
List of Figures
List of Tables
SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference
Application Report
SWRA599 - March 2018
Reference
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Summary of Contents for Texas Instruments SimpleLink CC3220-OV788

  • Page 1: Table Of Contents

    List of Tables ....................Key System Specifications Trademarks SimpleLink is a trademark of Texas Instruments. iOS is a trademark of Apple. Android is a trademark of Google LLC. Wi-Fi is a registered trademark of Wi-Fi Alliance. All other trademarks are the property of their respective owners.
  • Page 2: Introduction

    Streaming quality Video 720p, 30 fps, 2 Mbps Audio PCM, 16 bps, 11025 Hz Application protocols RTP/RTSP Supported Wi-Fi networks 802.11 b/g/n SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference SWRA599 – March 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 3: Hardware Setup

    – Order from Arrow: https://www.arrow.com/en/products/ov09712-ecvf-aw1b/omnivision-technologies • 802.11 b/g/n Wi-Fi Access Point CC3220 Launchpad Setup Set up the jumpers on the CC3220 LaunchPad as shown in Figure SWRA599 – March 2018 SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 4: Cc3220 Launchpad

    Hardware Setup www.ti.com Figure 2. CC3220 LaunchPad SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference SWRA599 – March 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 5: Omnivision Ov788 Reference Board

    Populate R136 with 0 Ω • Populate R29 with 0 Ω • Populate R31 with 100 Ω • Populate R32 with 100 Ω SWRA599 – March 2018 SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 6: Cable Twist

    To reduce interference and get the best audio quality, twist the cable to the Omnivision reference board tightly, as shown in Figure Figure 4. Cable Twist SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference SWRA599 – March 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 7: Ov788 Adapter Booster Pack Connection

    12-pin 1.27-mm pitch headers. Connect the boards together as shown in Figure Figure 5. OV788 Adapter Booster Pack Connection SWRA599 – March 2018 SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 8: Cc3220 Launchpad Setup

    OV788 board on the adapter, aligning the GND and power pins. Set up the demo as shown in Figure Figure 6. CC3220 LaunchPad Setup SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference SWRA599 – March 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 9: Rs232 Debug Board Setup

    For this setup, ensure the ribbon cable orientation is correct. The Omnivision debug port has the following settings: • Bits per second: 115200 • Data bits: 8 • Parity: None • Stop bits: 1 • Flow control: None SWRA599 – March 2018 SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 10: Running The Setup

    Select Action, and Select MCU image as the CC3220 binary file located in <CC3220 SDK>\examples\rtos\CC3220S_LAUNCHXL\demos\video_streaming_ov788\freertos\iar\Debug\Exe c. Use dummy-root-ca-cert as the certification file, and <CC3220 SDK>\tools\CC3220_tools\certificate-playground\dummy-root-ca-cert-key as the private key. SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference SWRA599 – March 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 11: Starting Provisioning

    CC3220 is not able to connect to an AP after 10 seconds: Figure 9. Starting Provisioning SWRA599 – March 2018 SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 12: Successful Provisioning

    5. Alternatively, Bonjour for iOS™ or Bonjour Browser for Android™ can be used to discover the IP address through MDNS device discovery, as shown in Figure 12 Figure Figure 12. mDNS Device Discovery SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference SWRA599 – March 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 13: Ip Address From Mdns

    Running the Setup www.ti.com Figure 13. IP Address from mDNS SWRA599 – March 2018 SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 14: Open Network Stream

    Figure 14. Open Network Stream 3. For the Network URL, enter ”rtsp://<local IP address>:8554/Video.264” and press Play, as shown in Figure Figure 15. Enter Network URL SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference SWRA599 – March 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 15: Open Network Stream

    1. Connect the iOS device to the same access point as the CC3220-OV788 setup. 2. Run VLC, and Choose Open Network Stream, as shown in Figure Figure 16. Open Network Stream SWRA599 – March 2018 SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 16: Enter Network Url

    3. For the Network URL, enter ”rtsp://<local IP address>:8554", as shown in Figure Figure 17. Enter Network URL 4. Press Open Network Stream. SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference SWRA599 – March 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 17: Choose Stream

    1. Connect the Android device to the same access point as the CC3220-OV788 setup. 2. Run VLC, and Choose Stream, as shown in Figure Figure 18. Choose Stream SWRA599 – March 2018 SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 18: Enter Network Url

    IP networks. SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference SWRA599 – March 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 19: Final Setup

    Running the Setup www.ti.com Figure 20. Final Setup SWRA599 – March 2018 SimpleLink™ CC3220-OV788 Audio/Video Streaming Reference Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 20 IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products;...

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