libs/RFID.MFRC522
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Merge pull request #47 from mdxs/exp_range

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Adding AttennaOff and get/set of AntennaGain
This commit is contained in:
Miki Balboa
2014-11-10 09:07:29 -06:00
parent 6db00b8fa5 1ee8cbd7fd
commit 92544cab84
3 changed files with 64 additions and 1 deletions
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19
MFRC522.h
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@@ -169,6 +169,22 @@ public:
PCD_SoftReset = 0x0F // resets the MFRC522
};
// MFRC522 RxGain[2:0] masks, defines the receiver's signal voltage gain factor (on the PCD).
// Described in 9.3.3.6 / table 98 of the datasheet at http://www.nxp.com/documents/data_sheet/MFRC522.pdf
enum PCD_RxGain {
RxGain_18dB = 0x00 << 4, // 000b - 18 dB, minimum
RxGain_23dB = 0x01 << 4, // 001b - 23 dB
RxGain_18dB_2 = 0x02 << 4, // 010b - 18 dB, it seems 010b is a duplicate for 000b
RxGain_23dB_2 = 0x03 << 4, // 011b - 23 dB, it seems 011b is a duplicate for 001b
RxGain_33dB = 0x04 << 4, // 100b - 33 dB, average, and typical default
RxGain_38dB = 0x05 << 4, // 101b - 38 dB
RxGain_43dB = 0x06 << 4, // 110b - 43 dB
RxGain_48dB = 0x07 << 4, // 111b - 48 dB, maximum
RxGain_min = 0x00 << 4, // 000b - 18 dB, minimum, convenience for RxGain_18dB
RxGain_avg = 0x04 << 4, // 100b - 33 dB, average, convenience for RxGain_33dB
RxGain_max = 0x07 << 4 // 111b - 48 dB, maximum, convenience for RxGain_48dB
};
// Commands sent to the PICC.
enum PICC_Command {
// The commands used by the PCD to manage communication with several PICCs (ISO 14443-3, Type A, section 6.4)
@@ -270,6 +286,9 @@ public:
void PCD_Init();
void PCD_Reset();
void PCD_AntennaOn();
void PCD_AntennaOff();
byte PCD_GetAntennaGain();
void PCD_SetAntennaGain(byte mask);
/////////////////////////////////////////////////////////////////////////////////////
// Functions for communicating with PICCs