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share some traces with USB devices (Thank to yobibe)

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This commit is contained in:
Romuald Conty 2012-05-01 23:17:24 +00:00
parent 82b2cfa883
commit 8549bc1e4c
1 changed files with 49 additions and 0 deletions
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49
libnfc/drivers/acr122_usb.c
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@ -442,6 +442,55 @@ acr122_usb_close (nfc_device *pnd)
nfc_device_free (pnd);
}
/*
USB activity trace for PN533, ACR122 and Touchatag
--------------------------------------------------------------------
PN533
0000ff02fe d402 2a00
0000ff00ff00
ACK
0000ff06fa d50333020707 e500
--------------------------------------------------------------------
Acr122U PICC pseudo-APDU through PCSC Escape mechanism:
6b07000000000a000000 ff00000002 d402
PC_to_RDR_Escape APDU
Len..... ClInP1P2Lc
Slot=0 pseudo-APDU DirectTransmit
Seq=0a
RFU=000000
8308000000000a028100 d50332010407 9000
RDR_to_PC_Escape SW: OK
Len.....
Slot=0
Seq=0a
Slot Status=02 ??
Slot Error=81 ??
RFU=00
--------------------------------------------------------------------
Touchatag (Acr122U SAM) pseudo-APDU mechanism:
6f07000000000e000000 ff00000002 d402
PC_to_RDR_XfrBlock APDU
Len..... ClInP1P2Lc
Slot=0 pseudo-APDU DirectTransmit
Seq=0e
BWI=00
RFU=0000
8002000000000e000000 6108
RDR_to_PC_DataBlock SW: more data: 8 bytes
Slot=0
Seq=0e
Slot Status=00
Slot Error=00
RFU=00
6f05000000000f000000 ffc0000008
pseudo-ADPU GetResponse
8008000000000f000000 d50332010407 9000
SW: OK
*/
#define ACR122_USB_BUFFER_LEN (PN53x_EXTENDED_FRAME__DATA_MAX_LEN + PN53x_EXTENDED_FRAME__OVERHEAD)
size_t
acr122_build_frame (uint8_t *frame, const size_t frame_len, const uint8_t *data, const size_t data_len)