diff options
| author | Yuval Adam <yuval@y3xz.com> | 2015-03-13 12:24:52 +0200 |
|---|---|---|
| committer | Yuval Adam <yuval@y3xz.com> | 2015-03-13 12:24:52 +0200 |
| commit | 4085ae3ddfbbf10c8ccbd3dccd43452c40a1fe40 (patch) | |
| tree | ac63581949a49511136e7e9e47d265bfb4119b26 /nfclib/nfc_f.c | |
| parent | 788db64b8642bf31de6930d18a62177c64163ee0 (diff) | |
Add bootloader, nfclib and sensorlib
Diffstat (limited to 'nfclib/nfc_f.c')
| -rw-r--r-- | nfclib/nfc_f.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/nfclib/nfc_f.c b/nfclib/nfc_f.c new file mode 100644 index 0000000..c27ef22 --- /dev/null +++ b/nfclib/nfc_f.c @@ -0,0 +1,166 @@ +//*****************************************************************************
+//
+// nfc_f.c - contains implementation of NFC Type F (Felica) protocol
+//
+// Copyright (c) 2014 Texas Instruments Incorporated. All rights reserved.
+// Software License Agreement
+//
+// Texas Instruments (TI) is supplying this software for use solely and
+// exclusively on TI's microcontroller products. The software is owned by
+// TI and/or its suppliers, and is protected under applicable copyright
+// laws. You may not combine this software with "viral" open-source
+// software in order to form a larger program.
+//
+// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
+// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
+// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
+// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
+// DAMAGES, FOR ANY REASON WHATSOEVER.
+//
+// This is part of revision 2.1.0.12573 of the Tiva Firmware Development Package.
+//
+//*****************************************************************************
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "nfclib/nfc_f.h"
+#include "nfclib/trf79x0.h"
+
+//*****************************************************************************
+//
+// NFC ID for TYPE F cards
+//
+//*****************************************************************************
+uint8_t g_ui8NFCID2[8] = {0x01 , 0xFE, 0x88 , 0x77, 0x66 , 0x55, 0x44 , 0x33};
+
+//*****************************************************************************
+//
+// Pointer to buffer
+//
+//*****************************************************************************
+uint8_t * g_pui8NFC_F_BufferPtr;
+
+//*****************************************************************************
+//
+// Sens SENSF_REQ (request)
+//
+//*****************************************************************************
+void NFCTypeF_SendSENSF_REQ(void)
+{
+ uint8_t ui8NFC_F_Packet[6];
+ //
+ // Length
+ //
+ ui8NFC_F_Packet[0] = 0x06;
+ //
+ // Command
+ //
+ ui8NFC_F_Packet[1] = SENSF_REQ_CMD;
+
+ ui8NFC_F_Packet[2] = 0xFF; // System Code (SC) 7:0
+ ui8NFC_F_Packet[3] = 0xFF; // System Code (SC) 15:8
+
+ ui8NFC_F_Packet[4] = 0x00; // Request Code (RC)
+
+ ui8NFC_F_Packet[5] = 0x03; // Time Slot Number (TSN) (DP, Table 42, 4 time slots)
+ TRF79x0WriteFIFO(ui8NFC_F_Packet,CRC_BIT_ENABLE,6);
+}
+
+//*****************************************************************************
+//
+// Send SENSF_RES (response)
+//
+//*****************************************************************************
+void NFCTypeF_SendSENSF_RES(void)
+{
+ uint8_t ui8NFC_F_Packet[18];
+ uint8_t ui8Offset = 0;
+ uint8_t ui8Counter = 0;
+ //
+ // Length
+ //
+ ui8NFC_F_Packet[ui8Offset++] = 0x12;
+ //
+ // Command
+ //
+ ui8NFC_F_Packet[ui8Offset++] = SENSF_RES_CMD;
+
+ for(ui8Counter = 0; ui8Counter < 8; ui8Counter++)
+ {
+ ui8NFC_F_Packet[ui8Offset++] = g_ui8NFCID2[ui8Counter];
+ }
+
+ // PAD 0
+ ui8NFC_F_Packet[ui8Offset++] = 0xC0;
+ ui8NFC_F_Packet[ui8Offset++] = 0xC1;
+ // PAD 1
+ ui8NFC_F_Packet[ui8Offset++] = 0xC2;
+ ui8NFC_F_Packet[ui8Offset++] = 0xC3;
+ ui8NFC_F_Packet[ui8Offset++] = 0xC4;
+ // MRTI CHECK
+ ui8NFC_F_Packet[ui8Offset++] = 0xC5;
+ // MRTI UPDATE
+ ui8NFC_F_Packet[ui8Offset++] = 0xC6;
+ // PAD2
+ ui8NFC_F_Packet[ui8Offset++] = 0xC7;
+
+ TRF79x0WriteFIFO(ui8NFC_F_Packet,CRC_BIT_ENABLE,ui8Offset);
+}
+//*****************************************************************************
+//
+// Process data received in buffer
+//
+//*****************************************************************************
+tStatus NFCTypeF_ProcessReceivedData(uint8_t * pui8RxBuffer)
+{
+ volatile uint8_t ui8CommandLength;
+ uint8_t ui8Command;
+ uint8_t ui8Counter;
+ tStatus eNFCFStatus = STATUS_SUCCESS;
+
+ ui8CommandLength = pui8RxBuffer[0];
+ ui8Command = pui8RxBuffer[1];
+
+// //UARTprintf("NFC_F CMD: %d \n",ui8Command);
+
+ if(ui8Command == SENSF_RES_CMD)
+ {
+ //
+ // Store the g_ui8NFCID2
+ //
+ for(ui8Counter = 0; ui8Counter < 8; ui8Counter++)
+ {
+ g_ui8NFCID2[ui8Counter] = pui8RxBuffer[2+ui8Counter];
+ }
+ }
+ else if(ui8Command == SENSF_REQ_CMD && ui8CommandLength == 0x06 )
+ {
+ if(pui8RxBuffer[2] == 0xFF && pui8RxBuffer[3] == 0xFF)
+ {
+ // Valid SENSF_REQ received - thus send a SENSF Response
+ NFCTypeF_SendSENSF_RES();
+ }
+ else
+ eNFCFStatus = STATUS_FAIL;
+ }
+ else
+ {
+ eNFCFStatus = STATUS_FAIL;
+ }
+ return eNFCFStatus;
+}
+
+//*****************************************************************************
+//
+// Return the NFCID
+//
+//*****************************************************************************
+uint8_t * NFCTypeF_GetNFCID2(void)
+{
+ return g_ui8NFCID2;
+}
+
+
+
+
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