Description: Abstract: this paper introduces the design and implementation of universal radio frequency card reading/writing module based on MF-RC500 chip. The read/write module has a variety of modes of communication interface and system application, including two wire communication mode module design has a senior user to read and write instructions, greatly simplifies the application system to the operation of the radio frequency card application system and the module of communication based on quadratic handshake communication protocol, to ensure the stable and reliable communication.
Feed: the C language definition of the function and the header file defining the function.
Description: descriptive description of functions and their purpose.
Routine: give an example of an application that illustrates this function.
Data type: lists the C language definitions of some special data types (such as structs) used in functions. The definitions of these data types are included in the header files that are listed below the feed title.
See: give the associated functions.
Return value: if the function has a return value, the type and nature of the return value will be given under this heading, as well as the error returned information.
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