RFID (Radio Frequency Identification Devices) reader-writer and data transmission method thereof
A reader and data technology, applied in the field of RFID readers, can solve the problems of large RFID readers and RFID readers cannot be used in occasions with high reading and writing speed requirements.
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[0037] In order to better understand the essence of the present invention, the following embodiments describe the present invention in detail in conjunction with the accompanying drawings.
[0038] Such as figure 1 As shown, the RFID reader-writer based on the PCI-E interface in the present embodiment includes a host end and a reader-writer end, and the host end and the reader-writer end are connected to each other by a PCI-E interface connector; the host end includes Control module, database, data processing module, PCI-E interface driver module; the reader includes PCI-E interface chip, embedded microprocessor, VHF-based RFID sending and receiving chip, VHF RFID antenna;
[0039] From figure 2 The software flow chart of data and command processing by the control module can be seen: when the host is powered on, the control module initializes the local registers and then waits and scans whether there is data sent by the data processing module or whether there is any data tha...
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