Texas Instruments’ connection monitor role combines the advantages of both connectionless and connection PaaK. According to Lara, it collects connection data (RSSI or AoA) from a Bluetooth® connection without participating in the connection. It follows an active Bluetooth connection given the following parameters:
- Access address
- Connection interval
- Hop increment value
- Channel map
- Sleep clock accuracy (mSA)
“The connection monitor performs an initial scan and listens on a set data channel to establish an anchor point for the specified connection,” said Lara. “Once established, it will continue to monitor the connection by capturing the central and peripheral packets involved in the connection.”
In a connection monitor example, the smartphone establishes a connection with a multi-role module inside the car. This module shares the connection parameters with the connection monitor modules (active nodes). Lara says that this solution offers the advantages of both connectionless and connection PaaK use cases. “The connection monitor feature allows developers to monitor the connection between a central and a peripheral and get independent RSSI measurements from the same packet,” said Lara.
Learn more about Bluetooth PaaK solutions.
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