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[FAQ] TI 15.4 stack星型网络方案

Other Parts Discussed in Thread: AES-128, CC1352P, CC1352R


一、TI 15.4-Stack

TI 15.4 stack是Sub1 GHz和2.4 GHz频段的星型网络协议栈,具有低功耗,远距离,稳定和安全的特点。 灵活且易于配置,开发人员可以快速修改TI 15.4协议栈的网络参数以适应其应用需求。

TI 15.4 Stack包含在SimpleLink™ SDK中,基于IEEE 802.15.4 MAC和PHY规范。 对于Sub1 GHz频率,TI 15.4 stack还实现了跳频方案以增强鲁棒性:

1)应用层:

•包含可配置的网络控制器和可根据需求修改的示例程序

•例程包括sensor and collector, over the air download, 和TI 15.4-Stack + Bluetooth® low energy

•可以设置MAC和PHY的操作模式,通过简单的函数调用实现安全设置和网络参数修改

2MAC层:

•三种操作模式:beacon, non-beacon, and frequency hopping(增强抗干扰能力)

•内置安全性:带有密钥管理的AES-128加密

•具有可靠的双向通信确认机制:CSMA/CA, listen before talk和 retries

3)物理层:

•表征Sub1 GHz(433、863和915 MHz)和2.4 GHz应用

 

二、TI 15.4 stack 特点

•降低在开发低功耗,远距离Sub-1 GHz应用中的门槛

•通过了全面测试的pre-built星型网络解决方案,降低开发成本并缩短上市时间

•使用CC1312,CC1352R或CC1352P collector可以在几分钟内启用具有安全性的250+ 个nodes

•通过frequency hopping, two-way communication with acknowledgments, CSMA/CA, listen before talk, 和retries来提高数据包传输成功率

•使工程师能够专注于开发应用程序,而不是从头开始建立网络

 

三、开发参考资料:

TI 15.4-Stack User’s Guide:https://dev.ti.com/tirex/explore/node?node=APeHcG.A0wniaym22zAYKw__pTTHBmu__LATEST

TI 15.4-Stack API :https://dev.ti.com/tirex/content/simplelink_cc13x2_sdk_2_30_00_45/docs/ti154stack/html/ti154stack/api-reference.html#ti-15-4-stack-api-reference

TI 15.4 Stack 功耗估算工具:

https://www.ti.com/tool/15.4-STACK-CALC

TI 15.4-Stack Academy:

https://dev.ti.com/tirex/explore/node?node=ABRXrYdFS1e-0P3PY6NmNg__pTTHBmu__LATEST