Online upgrade method and apparatus for bluetooth cluster

An online upgrade method for a Bluetooth cluster, comprising:

• receiving, by a Bluetooth device, upgrade data and an upgrade path, wherein the upgrade path comprises information about a to-be-upgraded device and a preceding Bluetooth device corresponding to the to-be-upgraded device determined by an upgrade device, and the to-be-upgraded device comprises a part or all of Bluetooth devices in the Bluetooth cluster;
• sending, by the Bluetooth device, the upgrade data and the upgrade path to a next-level to-be-upgraded device in the upgrade path;
• and
• receiving, by the Bluetooth device, upgrade result information sent by a next-level Bluetooth device in the upgrade path, and sending the upgrade result information to a preceding Bluetooth device of the Bluetooth device or the upgrade device.

An upgrade device for an online upgrade of a Bluetooth cluster, the upgrade device comprises a memory and a processor;

• the memory is coupled to the processor;
• the memory is configured to store program instructions;
• the processor is configured to invoke the program instructions stored in the memory, enabling the upgrade device to execute the follow steps:
• selecting a central node in the Bluetooth cluster, and establishing a Bluetooth connection with the central node;
• and
• selecting an upgrade path, and sending upgrade data to a to-be-upgraded device through the central node according to the upgrade path, enabling the to-be-upgraded device to obtain the upgrade data to achieve an upgrade, wherein the to-be-upgraded device comprises a part or all of Bluetooth devices in the Bluetooth cluster.