Near-field payment, near-field connection and data transmission method between ble Bluetooth devices
A near-field payment and Bluetooth device technology, which is applied in connection management, data exchange details, data processing applications, etc., can solve the application and technology development in the payment field that cannot realize cross-manufacturer, cross-system, and cross-platform near-field payment Problems such as slowness, the configuration of the maximum number of bytes transmitted by the Bluetooth module are uneven, etc.
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[0044] The present invention will be further described below in conjunction with accompanying drawing.
[0045] see figure 2 , the near-field connection method based on BLE bluetooth of the present invention, comprises the following steps:
[0046] Step S11, the peripheral device broadcasts through BLE Bluetooth.
[0047] Step S12, the central device actively scans through BLE Bluetooth.
[0048] Step S13, the peripheral device receives the scanning signal and sends a reply.
[0049] Step S14, the central device obtains the device manufacturer, device model and RSSI value in the reply signal, and selects different pre-established signal strength thresholds according to the device manufacturer and device model. When the central device approaches and touches the peripheral device, the RSSI value is in the signal Within the strength threshold, it is judged as a touch relationship, and a unique connection is established; if it is not within the signal strength threshold, the c...
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