MfrcCommand Enum
Definition
Important
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Command of MFRC522 reader
public enum MfrcCommandtype MfrcCommand = Public Enum MfrcCommand- Inheritance
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MfrcCommand
Fields
| Name | Value | Description |
|---|---|---|
| Idle | 0 | Idle : no action, cancels current command execution |
| Memory | 1 | Memory: stores 25 bytes into the internal buffer |
| GenerateRandomId | 2 | Generate Random Id: generates a 10-byte random ID number |
| CalculateCrc | 3 | Calculate CRC: activates the CRC coprocessor or performs a self test |
| Transmit | 4 | Transmit: transmits data from the FIFO buffer |
| NoCommandChange | 7 | No Command Change: no command change, can be used to modify the CommandReg register bits without affecting the command, for example, the PowerDown bit |
| Receive | 8 | Receive: activates the receiver circuits |
| Transceive | 12 | Transceive: transmits data from FIFO buffer to antenna and automatically activates the receiver after transmission |
| MifareAuthenticate | 14 | Mifare Authenticate: performs the MIFARE standard authentication as a reader |
| ResetPhase | 15 | Reset Phase: soft resets the MFRC522 |
Remarks
Most of the time, the only one you need to use is the Transceive command. The SendAndReceiveData function is already using some of those commands to allow send and receive scenarios