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The aim of this document is to explain the procedure for OEM porting of RDK.
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Refer this page SoC Platform Firmware to know the details about Yocto manifests, SoC meta-layer creation includes adding the Machine Configuration File for the new SoC .
OEM needs to add OEM specific components like Firmware Upgrade, Secure Boot Loader, MFR libraries, Vendor Specific Information, NVRAM files and partition, Provisioning, OEM Specific drivers, STB Utilities, RDK Device-Specific Patches, Image Generation Utiities etc. as well as interfacing layers to the generic RDK for relevant OEM code modules ( see below )
Any Revision change in SoC layer is usually done by SoC’s build environment and the new SDK or revision is updated in recipe. If a new recipe is added for any update in SoC software, then can be handled using PREFERRED_VERSION Yocto flag in meta layer
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Components of OEM Interface |
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The first step to get a fully functional product is the define the product features and see if they meet the standard requirements. A list of expected features from an IP based RDK-V Accelerator are listed at Product Specifications. OEM can cross check the expected features/specifications with the capabilities of the SoC platform being used and can finalize the features supported by the product.
RDKM offers collaboration space for OEMs which would help OEMs to collaborate with SoC and RDK teams (as well as any 3rd party). RDKM collaboration zone includes features like (but not limited to) CMF facility to maintain build manifests as well as SoC/OEM specific code, SoC SDK artifact storage facility, JIRA & RDK Wiki spaces, integration with Test & Certification suites, monthly & release tagging and so on.
Once the product features are decided, the device engineering can be started. OEM needs to decide on the hardware layout that incorporates OEM components to the SoC board. A sample expected hardware specification list as well as a sample flash layout is available at Product Engineering.
OEM can make use of the details available at Device Firmware to start developing a Yocto build to engineer the device firmware builds based on RDK Yocto build setup.
RDKM offers an in-house Test & certification suite that facilitates OEMs to get their Video Accelerator product certified as RDK Compliant device.
Certification program includes testing which validates the RDK stack on the device with defined test suite called as RDK Certification Test Suite. It is mandatory to go through this program in order to brand user's platform as RDK compliant product.
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For details on the RDK Certification, please refer: RDK Video Accelerator Certification |
The OEM layer features optimized components for SoC specific RDK provided by the OEM. This includes OEM software for boot-up, image updates, and APIs to handle custom drivers.
These could be specializations to the generic or SoC components or complementary software components provided by the OEM to create a fully functional set-top device.
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Bluetooth Manager implements the Bluetooth HAL i.e. Bluetooth Core (BTRCore) API. Bluetooth HAL interface provides a software abstraction layer that interfaces with the actual Bluetooth implementation and/or drivers. RDK Bluetooth HAL layer enables projects to pick any Bluetooth profiles as per their requirements. Bluetooth HAL uses BlueZ5.42 stack which is a quite popular Linux Bluetooth library.
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Uploads core dumps to a FTP server if there are any
This interface is optional, OEM may implement a customized script for uploading the crash dump files to a server using specific certificate files
Provides platform specific configuration options for Hardware test. Which will run periodically in background to check attached hardware health.
LED Manager is used to control the LED patterns during different system events.
This handles the HDCP service operations such as enable or disable the HDCP.
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For details on the Wi-Fi HAL Public APIs and Data Types, please refer: https://wiki.rdkcentral.com/doxygen/rdkv-opensourced/df/dce/group___w_i_f_i___h_a_l.html |
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Manufacturer LibraryThe Manufacturer Library implements a set of interfaces that enable configuration and usage of vendor specific components in the STB. InterfacesMFR API:The APIs comprise of functions that allow to -
eCM API:The eCM API is intended to be used by DSGCC. It allows to -
FPD API:The API controls front panel’s indicators and allows to register key stroke callbacks -
Storage ManagerProvides following functionalities in handling of storage devices such as SD card and so on.
[SDCARD_CONFIG] SYSINTA collection of system integration shell scripts and configuration files that handles many of the initialization and routine job such as bringing up applications or rotating log etc. OEM can define following parts of sysint code.
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