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| # Texas Instruments platform overview | ||
|
|
||
| The TI platform is a [Matter][matter_gh] platform based on the Texas Instruments | ||
| Incorporated SimpleLink SDK. | ||
|
|
||
| The following diagram is a simplified representation of a Matter application | ||
| which built on the TI Platform. | ||
|
|
||
| <p align="center"> | ||
| <img src="images/matter_ti_overview_simplified.png" alt="matter_ti_overview_simplified"> | ||
| </p> | ||
|
|
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| ## Texas Instruments SimpleLink SDK | ||
|
|
||
| The SimpleLink™ CC13xx and CC26xx Software Development Kit (SDK) delivers | ||
| components that enable engineers to develop applications on the Texas | ||
| Instruments SimpleLink CC13xx and CC26xx family of wireless microcontrollers | ||
| (MCUs). This software toolkit provides a cohesive and consistent software | ||
| experience for all SimpleLink CC13xx and CC26xx wireless MCU users by packaging | ||
| essential software components, such as a Bluetooth® Low Energy (BLE) protocol | ||
| stack supporting Bluetooth 5.2, Bluetooth Mesh, Thread 1.1.1 networking stack | ||
| based on OpenThread, Zigbee 3.0 compliant protocol suite, RF-Proprietary | ||
| examples, TI’s 15.4 Stack as well as the TI-RTOS kernel and TI Drivers in one | ||
| easy-to-use software package along with example applications and documentation. | ||
| In addition, the Dynamic Multi-Protocol Manager (DMM) software component enables | ||
| multiprotocol development on a single SimpleLink wireless MCU through | ||
| time-division multiplexing. | ||
|
|
||
| The SimpleLink MCU portfolio offers a single development environment that | ||
| delivers flexible hardware, software, and tool options for customers developing | ||
| wired and wireless applications. With 100 percent code reuse across host MCUs, | ||
| Wi-Fi™, Bluetooth Low Energy, Sub-1GHz devices and more, choose the MCU or | ||
| connectivity standard that fits your design. A one-time investment with the | ||
| SimpleLink software development kit allows you to reuse often, opening the door | ||
| to create unlimited applications. For more information, visit | ||
| www.ti.com/simplelink. | ||
|
|
||
| <hr> | ||
|
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| ## BLE and Thread stacks | ||
|
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| In the TI example applications the Bluetooth Low Energy protocol is used to | ||
| provision the Thread protocol to enable Matter communication. Then Thread is | ||
| used for IP communication with other Matter devices. | ||
|
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| The TI applications leverage the Bluetooth Low Energy stack on the CC13X2 and | ||
| CC26X2 families. This BLE software is distributed in binary form within the TI | ||
| SimpleLink SDK. The BLE stack leverages code that is present in the device ROM | ||
| for certain common BLE operations. | ||
|
|
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| These applications leverage the OpenThread stack available within the Matter | ||
| repository for Thread communication. Platform support source is built from the | ||
| SimpleLink SDK. | ||
|
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| These connection protocols can be run concurrently by using the Texas | ||
| Instruments Dynamic Multi-protocol Manager. | ||
|
|
||
| <hr> | ||
|
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| ## LwIP stack | ||
|
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| The Lightweight IP stack interfaces with the OpenThread stack to offer standard | ||
| IP connectivity protocols that OpenThread does not natively support. This offers | ||
| a standard socket based interface to the Matter platform. | ||
|
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||
| <hr> | ||
|
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| ## MbedTLS | ||
|
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| The MbedTLS library is used by OpenThread and Matter for a wide variety of | ||
| protocols. This ranges from basic AES and SHA to cryptographic protocols like | ||
| ECDSA and ECDH. | ||
|
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| The MbedTLS library is hardware accelerated using the TI SimpleLink SDK drivers. | ||
| This is achieved through the usage of `_ALT` defines in the MbedTLS | ||
| configuration file. | ||
|
|
||
| <hr> | ||
|
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| ## Matter integration | ||
|
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| Matter interacts with LwIP, OpenThread, and the TI BLE stack to achieve the | ||
| protocol and application functionality. A BLE profile is registered with the | ||
| TI-BLE stack to enable provisioning and configuration. Once the device is | ||
| provisioned Matter will configure the OpenThread interface to connect to an | ||
| existing Thread network or to start its own network. From there the Matter IP | ||
| messages are sent to the LwIP stack to be routed to the OpenThread stack for | ||
| transmission. | ||
|
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| Overall, applications generally only need to interface with the Cluster Library | ||
| from Matter. The transport of messages and configuration of the device is all | ||
| handled by the platform implementation files. | ||
|
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| <hr> | ||
|
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| # Matter example applications | ||
|
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| Sample Matter applications are provided for the TI platform. These can be used | ||
| as reference for your own application. | ||
|
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| - [lock-app](../../examples/lock-app/cc13x2x7_26x2x7/README.md) | ||
| - [pump-app](../../examples/pump-app/cc13x2x7_26x2x7/README.md) | ||
| - [pump-controller-app](../../examples/pump-controller-app/cc13x2x7_26x2x7/README.md) | ||
|
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| <hr> | ||
|
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| ## Build system | ||
|
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| The TI platform uses GN to generate ninja build scripts. Build files have | ||
| already been written to build and link the TI specific code within the | ||
| SimpleLink SDK. | ||
|
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||
| <hr> | ||
|
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| ## TI Support | ||
|
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| For technical support, please consider creating a post on TI's [E2E forum][e2e]. | ||
| Additionally, we welcome any feedback. | ||
|
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||
| [e2e]: https://e2e.ti.com/support/wireless-connectivity/zigbee-and-thread | ||
| [matter_gh]: https://github.com/project-chip/connectedhomeip |
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