Add bootloader, nfclib and sensorlib

1 files changed, 241 insertions, 0 deletions

diff --git a/nfclib/nfc.c b/nfclib/nfc.c
new file mode 100644
index 0000000..30bc104
--- /dev/null
+++ b/nfclib/nfc.c
@@ -0,0 +1,241 @@
+//*****************************************************************************

+//

+// nfc.c - NFC implementation.

+//

+// 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 <string.h>

+#include <stdbool.h>

+#include <stdint.h>

+#include "inc/hw_types.h"

+#include "driverlib/sysctl.h"

+#include "trf79x0.h"

+#include "iso14443b.h"

+

+unsigned char g_ucNFCID[11] = "\x80\x12\x34\x56"; //NFC ID (PUPI = 80123456)

+

+//*****************************************************************************

+//

+// Set up registers for ISO 14443 B 106Kbit/s operation.  This function must

+// be called after initializing the TRF79x0 (for example with TRF79x0Init()

+// or TRF79x0DirectCommand() with argument \b TRF79X0_SOFT_INIT_CMD) and before

+// calling any of the other ISO14443B functions.

+//

+//*****************************************************************************

+void

+NfcTagType4BSetupRegisters(void)

+{

+    TRF79x0DirectCommand(TRF79X0_SOFT_INIT_CMD);

+    TRF79x0DirectCommand(TRF79X0_IDLE_CMD);

+

+    //

+    // TODO:check why have to set as this?

+    //

+    TRF79x0WriteRegister(TRF79X0_MODULATOR_CONTROL_REG,

+    					TRF79X0_MOD_CTRL_MOD_OOK_100);

+

+    //

+    // Set the ISO format to NFC Card Emulation, Type B

+    //

+    TRF79x0WriteRegister(TRF79X0_ISO_CONTROL_REG, 0x25);

+

+    //

+    // Set the regulator voltage to be automatic.

+    //

+    TRF79x0WriteRegister(TRF79X0_REGULATOR_CONTROL_REG,

+    					TRF79X0_REGULATOR_CTRL_VRS_2_8V);

+

+    //

+    // RX Special Settings for ISO14443B

+    //

+    TRF79x0WriteRegister(TRF79X0_RX_SPECIAL_SETTINGS_REG, 0x3C);

+

+    //

+    // Set the Target Detection Level to Max; use SDD

+    //

+//    TRF79x0WriteRegister(TRF79X0_NFC_TARGET_LEVEL_REG, 0x27);

+        TRF79x0WriteRegister(TRF79X0_NFC_TARGET_LEVEL_REG, 0x07);

+

+    //

+    // Set the NFCID to be sent during SDD

+    //

+    TRF79x0WriteRegisterContinuous(TRF79X0_NFC_ID_REG, g_ucNFCID, 4);

+

+    TRF79x0WriteRegister(TRF79X0_NFC_LO_FIELD_LEVEL_REG, 0x03);

+

+    //

+    // ISO14443B TX Options

+    //

+    TRF79x0WriteRegister(TRF79X0_ISO14443B_OPTIONS_REG, 0x00);

+

+    TRF79x0WriteRegister(TRF79X0_CHIP_STATUS_CTRL_REG, 0x21);

+

+    TRF79x0ResetFifoCommand();

+    TRF79x0DirectCommand(TRF79X0_STOP_DECODERS_CMD);

+    TRF79x0DirectCommand(TRF79X0_RUN_DECODERS_CMD);

+}

+

+//*****************************************************************************

+//

+// Set up registers for ISO 14443 A 106Kbit/s operation.  This function must

+// be called after initializing the TRF79x0 (for example with TRF79x0Init()

+// or TRF79x0DirectCommand() with argument \b TRF79X0_SOFT_INIT_CMD) and before

+// calling any of the other ISO14443B functions.

+//

+//*****************************************************************************

+void

+NfcTagType4ASetupRegisters(void)

+{

+	unsigned char Data[11] = "\x08\x12\x34\x56";

+

+	//Examples of start byte of Type A UID Values and MFGs seen by Nexus S.

+    //These are just a few found by using the TagInfo app

+	//0x01, 0x05, 0x07, 0x09, 0x19 = Infineon

+	//0x02, 0x03, 0x04, 0x06, 0x0A = NXP

+	//0x08 = Unknown, considered to be for random ID

+	//0x1C, 0xC2, 0x3E, 0x80 = NXP

+

+	TRF79x0DirectCommand(TRF79X0_SOFT_INIT_CMD);

+    TRF79x0DirectCommand(TRF79X0_IDLE_CMD);

+

+    //

+    // TODO:check why have to set as this?

+    //

+    TRF79x0WriteRegister(TRF79X0_MODULATOR_CONTROL_REG,

+    					TRF79X0_MOD_CTRL_MOD_OOK_100);

+

+    //

+    // Set the ISO format to NFC Card Emulation, Type A

+    //

+    TRF79x0WriteRegister(TRF79X0_ISO_CONTROL_REG, 0x24);

+

+    //

+    // Set the regulator voltage to be automatic.

+    //

+    TRF79x0WriteRegister(TRF79X0_REGULATOR_CONTROL_REG,

+    					TRF79X0_REGULATOR_CTRL_AUTO_REG);

+

+    //

+    // RX Special Settings for ISO14443A

+    //

+    TRF79x0WriteRegister(TRF79X0_RX_SPECIAL_SETTINGS_REG, 0x30);

+

+    //

+    // Set the Target Detection Level to Max; use SDD

+    //

+    TRF79x0WriteRegister(TRF79X0_NFC_TARGET_LEVEL_REG, 0x27);

+

+    //

+    // Set the NFCID to be sent during SDD

+    //

+    TRF79x0WriteRegisterContinuous(TRF79X0_NFC_ID_REG, Data, 4);

+

+    TRF79x0WriteRegister(TRF79X0_NFC_LO_FIELD_LEVEL_REG, 0x83);

+

+    // SDD need this

+    TRF79x0WriteRegister(TRF79X0_ISO14443B_OPTIONS_REG, 0x01);

+

+    //

+    // ISO14443B TX Options

+    //

+//    TRF79x0WriteRegister(TRF79X0_ISO14443B_OPTIONS_REG, 0x01);

+    TRF79x0WriteRegister(TRF79X0_ISO14443A_OPTIONS_REG, 0x00);

+

+//    //

+//    // Set the TX pulse to 106ns (0x20 * 73.7ns).

+//    //

+//    TRF79x0WriteRegister(TRF79X0_TX_PULSE_LENGTH_CTRL_REG, 0x20);

+//

+//    //

+//    // Set the RX No response wait time to 529us (0xe * 37.76us).

+//    //

+//    TRF79x0WriteRegister(TRF79X0_RX_NO_RESPONSE_WAIT_REG, 0x0e);

+//

+//    //

+//    // Set the RX wait time to 66us (7 * 9.44us).

+//    //

+//    TRF79x0WriteRegister(TRF79X0_RX_WAIT_TIME_REG, 0x07);

+    TRF79x0WriteRegister(TRF79X0_TEST_SETTING1_REG, 0x40);

+

+    TRF79x0WriteRegister(TRF79X0_CHIP_STATUS_CTRL_REG, 0x21);

+

+    TRF79x0ResetFifoCommand();

+    TRF79x0DirectCommand(TRF79X0_STOP_DECODERS_CMD);

+    TRF79x0DirectCommand(TRF79X0_RUN_DECODERS_CMD);

+

+    //

+    // Delay 5ms before initializing the TRF79x0.

+    //

+    SysCtlDelay((SysCtlClockGet()/3000) * 2);

+}

+

+//*****************************************************************************

+//

+//

+//

+//*****************************************************************************

+int

+ISO14443BATQB(unsigned char *pucPUPI,unsigned char ucAFI, unsigned char ucBitRate,

+			  unsigned char ucMaxFrameSize, unsigned char ucProtocolType,

+			  unsigned char ucFWI, unsigned char ucADC, unsigned char ucFO)

+{

+    unsigned char pucATQB[12];

+

+//

+//    // Protocol Info Bytes

+//    buffer[10] = 0x80;    // Date Rate Capability ( Only Support 106 kbps)

+//    // Max Frame/Protocol type (128 bytes / PICC compliant to -4)

+//    buffer[11] = 0x71;

+//    // (FWI/ADC/FO) ( FWT = 77.3mSec, ADC = coded according to AFI, CID supported)

+//    buffer[12] = 0x85;

+

+    //

+    // ATQB response.

+    //

+    pucATQB[0] = 0x50;

+    pucATQB[1] = pucPUPI[0];

+    pucATQB[2] = pucPUPI[1];

+    pucATQB[3] = pucPUPI[2];

+    pucATQB[4] = pucPUPI[3];

+    pucATQB[5] = ucAFI;

+    pucATQB[6] = 0xE2;			// CRC_B

+    pucATQB[7] = 0xAF;			// CRC_B

+    pucATQB[8] = 0x11;     		// # of applications (1)

+    pucATQB[9] = ucBitRate;

+    pucATQB[10] = (ucMaxFrameSize << 4) | ucProtocolType;

+    pucATQB[11] = (ucFWI << 4) | (ucADC << 2) | ucFO;

+

+    //

+    // Transmit w/o receive

+    //

+	TRF79x0Transceive(pucATQB, sizeof(pucATQB), 0, 0, 0, 0, TRF79X0_TRANSCEIVE_TX_CRC);

+

+	//

+	// Return true

+	//

+	return(1);

+}

+

+//*****************************************************************************

+//

+// NFC P2P Functions

+//

+//*****************************************************************************