Low-power-consumption Bluetooth roll call method in Internet of Things application
A low-power Bluetooth, IoT technology, applied in power management, recording/indicating event time, connection management, etc., can solve the problem of limited number of BLE master connected to slave devices, cumbersome BLE connection process, and poor Bluetooth communication performance and other problems, to achieve the effect of expanding node access capability, expanding access capability, and avoiding repeated connections
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Embodiment 1
[0058] A low-power bluetooth roll call method in an Internet of Things application, including introducing a roll call mechanism to dynamically connect / disconnect multiple slaves, including the following steps:
[0059] Step 1: The host scan parameters are initialized, the scan interval and scan window are set, the scan is started, and the broadcast data packets with flags are received from the slave.
[0060] The scan interval is the time interval between two scans of the controller of the host; the scan window is the duration of each scan of the controller of the host.
[0061] Wherein, the method for setting the marked broadcast data packet is as follows: adding a three-byte custom field to the original broadcast data, and initializing the three-byte custom field, wherein the third byte of the three-byte custom field is initialized. One byte represents whether the slave is configured, initialized to 0; the second byte and the third byte represent the total number of position...
Embodiment 2
[0066] A low-power bluetooth roll call method in an Internet of Things application, including introducing a roll call mechanism to dynamically connect / disconnect multiple slaves, including the following steps:
[0067] The master scan parameters are initialized, the scan interval and scan window are set, the scan is started, and the broadcast data packets with the flag set are received from the slave.
[0068] The scan interval is the time interval between two scans of the controller of the host; the scan window is the duration of each scan of the controller of the host.
[0069] Wherein, the method for setting the marked broadcast data packet is as follows: adding a three-byte custom field to the original broadcast data, and initializing the three-byte custom field, wherein the third byte of the three-byte custom field is initialized. One byte represents whether the slave is configured, initialized to 0; the second byte and the third byte represent the total number of positio...
Embodiment 3
[0072] A low-power bluetooth roll call method in an Internet of Things application, including introducing a roll call mechanism to dynamically connect / disconnect multiple slaves, including the following steps:
[0073] The master scan parameters are initialized, the scan interval and scan window are set, the scan is started, and the broadcast data packets with the flag set are received from the slave.
[0074] The scan interval is the time interval between two scans of the controller of the host; the scan window is the duration of each scan of the controller of the host.
[0075] Wherein, the method for setting the marked broadcast data packet is as follows: adding a three-byte custom field to the original broadcast data, and initializing the three-byte custom field, wherein the third byte of the three-byte custom field is initialized. One byte represents whether the slave is configured, initialized to 0; the second byte and the third byte represent the total number of positio...
PUM
| Property | Measurement | Unit |
|---|---|---|
| Power consumption | aaaaa | aaaaa |
| Power consumption | aaaaa | aaaaa |
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