Gymtrack / RFIDTestNFC

interrupt handling

Dependencies:  

readerComm.h@10:98a58968dc7d, 2015-04-09 (annotated)

Committer:
soumi_ghsoh
Date:
Thu Apr 09 22:09:35 2015 +0000
Revision:
10:98a58968dc7d
Parent:
9:9266e0109d26
Child:
11:d5e8f47880f1
sg apr 9/15

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rwclough 1:1eb96189824d 1
rwclough 1:1eb96189824d 2 // Prototypes
soumi_ghsoh 7:96baf1b2fd07 3 //void SpiInit1(void); // SPI 250 Khz
soumi_ghsoh 7:96baf1b2fd07 4 void SpiInit(void); // SPI 1Mhz
soumi_ghsoh 7:96baf1b2fd07 5 void trf797xDirectCommand(uint8_t *buffer); // send direct command to trf7970a
soumi_ghsoh 7:96baf1b2fd07 6 void trf797xWriteSingle(uint8_t *buffer, uint8_t length); // write to trf7970a register
soumi_ghsoh 7:96baf1b2fd07 7 void trf797xReadSingle(uint8_t *buffer, uint8_t number); // read trf7970a register
soumi_ghsoh 7:96baf1b2fd07 8 void trf797xReadContinuous(uint8_t *buffer, uint8_t length); // read continuous bytes from trf7970a
soumi_ghsoh 7:96baf1b2fd07 9 void trf797xRawWrite(uint8_t *buffer, uint8_t length); // raw write to trf7970a FIFO
soumi_ghsoh 7:96baf1b2fd07 10 void PowerUpNFC(void); // powerup trf7970a
soumi_ghsoh 9:9266e0109d26 11 void PowerUpNFC2(void);
soumi_ghsoh 7:96baf1b2fd07 12 void PowerDownNFC(void); // powerdown trf7970a
soumi_ghsoh 7:96baf1b2fd07 13 void NFCInit(void); // initialize trf7970 iso control =0x02, chip status control=0x20, modulator=0x21
soumi_ghsoh 7:96baf1b2fd07 14 void RegisterReInitNFC(void); // reinitialize nfc status registers
soumi_ghsoh 7:96baf1b2fd07 15 void RegistersReadNFC(void); // read nfc status registers
soumi_ghsoh 7:96baf1b2fd07 16 void InventoryReqNFC(void); // inventory request to trf7970a
soumi_ghsoh 7:96baf1b2fd07 17 void MemReadReqNFC(void); // memory read request to trf7970a
soumi_ghsoh 7:96baf1b2fd07 18 void ReadNFC(void); // read teag ID/Single Read
soumi_ghsoh 7:96baf1b2fd07 19 void PollNFC(uint8_t *irqStatus); // read rx complete irq from trf7970a.
soumi_ghsoh 9:9266e0109d26 20 void handlerNFC(void); // trf7970 irq handler
soumi_ghsoh 10:98a58968dc7d 21 void StandByNFC(void);
soumi_ghsoh 10:98a58968dc7d 22 //uint8_t pwr_mode ;
soumi_ghsoh 9:9266e0109d26 23
soumi_ghsoh 9:9266e0109d26 24
soumi_ghsoh 5:93c612f43ec2 25 // Booleans
soumi_ghsoh 10:98a58968dc7d 26 #define DESELECT 1
soumi_ghsoh 10:98a58968dc7d 27 #define SELECT 0
soumi_ghsoh 10:98a58968dc7d 28 #define ADDRESS 0
soumi_ghsoh 10:98a58968dc7d 29 #define COMMAND 1
soumi_ghsoh 10:98a58968dc7d 30 #define WRITE 0
soumi_ghsoh 10:98a58968dc7d 31 #define READ 1
soumi_ghsoh 10:98a58968dc7d 32
soumi_ghsoh 5:93c612f43ec2 33 //led
soumi_ghsoh 5:93c612f43ec2 34 #define LED_ON 0
soumi_ghsoh 5:93c612f43ec2 35 #define LED_OFF 1
soumi_ghsoh 5:93c612f43ec2 36 #define FALSE 0
soumi_ghsoh 5:93c612f43ec2 37 #define TRUE 1
rwclough 1:1eb96189824d 38
soumi_ghsoh 5:93c612f43ec2 39 // Direct commands for trf797x
rwclough 1:1eb96189824d 40 #define IDLE 0x00
rwclough 1:1eb96189824d 41 #define SOFT_INIT 0x03
rwclough 1:1eb96189824d 42 #define INITIAL_RF_COLLISION 0x04
rwclough 1:1eb96189824d 43 #define RESPONSE_RF_COLLISION_N 0x05
rwclough 1:1eb96189824d 44 #define RESPONSE_RF_COLLISION_0 0x06
rwclough 1:1eb96189824d 45 #define RESET 0x0F
rwclough 1:1eb96189824d 46 #define TRANSMIT_NO_CRC 0x10
rwclough 1:1eb96189824d 47 #define TRANSMIT_CRC 0x11
rwclough 1:1eb96189824d 48 #define DELAY_TRANSMIT_NO_CRC 0x12
rwclough 1:1eb96189824d 49 #define DELAY_TRANSMIT_CRC 0x13
rwclough 1:1eb96189824d 50 #define TRANSMIT_NEXT_SLOT 0x14
rwclough 1:1eb96189824d 51 #define CLOSE_SLOT_SEQUENCE 0x15
rwclough 1:1eb96189824d 52 #define STOP_DECODERS 0x16
rwclough 1:1eb96189824d 53 #define RUN_DECODERS 0x17
rwclough 1:1eb96189824d 54 #define CHECK_INTERNAL_RF 0x18
rwclough 1:1eb96189824d 55 #define CHECK_EXTERNAL_RF 0x19
rwclough 1:1eb96189824d 56 #define ADJUST_GAIN 0x1A
rwclough 1:1eb96189824d 57
soumi_ghsoh 5:93c612f43ec2 58 // Registers for trf797x
rwclough 1:1eb96189824d 59 #define CHIP_STATUS_CONTROL 0x00
rwclough 1:1eb96189824d 60 #define ISO_CONTROL 0x01
rwclough 1:1eb96189824d 61 #define ISO_14443B_OPTIONS 0x02
rwclough 1:1eb96189824d 62 #define ISO_14443A_OPTIONS 0x03
rwclough 1:1eb96189824d 63 #define TX_TIMER_EPC_HIGH 0x04
rwclough 1:1eb96189824d 64 #define TX_TIMER_EPC_LOW 0x05
rwclough 1:1eb96189824d 65 #define TX_PULSE_LENGTH_CONTROL 0x06
rwclough 1:1eb96189824d 66 #define RX_NO_RESPONSE_WAIT_TIME 0x07
rwclough 1:1eb96189824d 67 #define RX_WAIT_TIME 0x08
rwclough 1:1eb96189824d 68 #define MODULATOR_CONTROL 0x09
rwclough 1:1eb96189824d 69 #define RX_SPECIAL_SETTINGS 0x0A
rwclough 1:1eb96189824d 70 #define REGULATOR_CONTROL 0x0B
rwclough 1:1eb96189824d 71 #define IRQ_STATUS 0x0C
rwclough 1:1eb96189824d 72 #define IRQ_MASK 0x0D
rwclough 1:1eb96189824d 73 #define COLLISION_POSITION 0x0E
rwclough 1:1eb96189824d 74 #define RSSI_LEVELS 0x0F
rwclough 1:1eb96189824d 75 #define SPECIAL_FUNCTION_1 0x10
rwclough 1:1eb96189824d 76 #define SPECIAL_FUNCTION_2 0x11
rwclough 1:1eb96189824d 77 #define RAM_0 0x12
rwclough 1:1eb96189824d 78 #define RAM_1 0x13
rwclough 1:1eb96189824d 79 #define FIFO_IRQ_LEVELS_ADJ 0x14
rwclough 1:1eb96189824d 80 #define RESERVED 0x15
rwclough 1:1eb96189824d 81 #define NFC_LOW_DETECTION 0x16
rwclough 2:bd5afc5aa139 82 #define NFCID 0x17
rwclough 1:1eb96189824d 83 #define NFC_TARGET_LEVEL 0x18
rwclough 1:1eb96189824d 84 #define NFC_TARGET_PROTOCOL 0x19
rwclough 1:1eb96189824d 85 #define TEST_SETTINGS_1 0x1A
rwclough 1:1eb96189824d 86 #define TEST_SETTINGS_2 0x1B
soumi_ghsoh 7:96baf1b2fd07 87 #define FIFO_COUNTER 0x1C
rwclough 2:bd5afc5aa139 88 #define TX_LENGTH_BYTE_1 0x1D
rwclough 2:bd5afc5aa139 89 #define TX_LENGTH_BYTE_2 0x1E
rwclough 2:bd5afc5aa139 90 #define FIFO 0x1F
rwclough 2:bd5afc5aa139 91
rwclough 2:bd5afc5aa139 92 // BITs
rwclough 2:bd5afc5aa139 93 #define BIT0 0x01 // 0b00000001
rwclough 2:bd5afc5aa139 94 #define BIT1 0x02 // 0b00000010
rwclough 2:bd5afc5aa139 95 #define BIT2 0x40 // 0b00000100
rwclough 2:bd5afc5aa139 96 #define BIT3 0x08 // 0b00001000
rwclough 2:bd5afc5aa139 97 #define BIT4 0x10 // 0b00010000
rwclough 2:bd5afc5aa139 98 #define BIT5 0x20 // 0b00100000
rwclough 2:bd5afc5aa139 99 #define BIT6 0x40 // 0b01000000
rwclough 2:bd5afc5aa139 100 #define BIT7 0x80 // 0b10000000
rwclough 2:bd5afc5aa139 101
rwclough 2:bd5afc5aa139 102 // Misc
rwclough 2:bd5afc5aa139 103 #define SIXTEEN_SLOTS 0x06
rwclough 2:bd5afc5aa139 104 #define ONE_SLOT 0x26
soumi_ghsoh 10:98a58968dc7d 105 //power modes
soumi_ghsoh 10:98a58968dc7d 106 //#if STANDBY
soumi_ghsoh 10:98a58968dc7d 107 //#endif
soumi_ghsoh 10:98a58968dc7d 108 //
soumi_ghsoh 10:98a58968dc7d 109 //#if NFC_3V
soumi_ghsoh 10:98a58968dc7d 110 //#define PWR_MODE4_3V pwr_mode=0x20
soumi_ghsoh 10:98a58968dc7d 111 //#endif
soumi_ghsoh 10:98a58968dc7d 112 //
soumi_ghsoh 10:98a58968dc7d 113 //#if NFV_5V
soumi_ghsoh 10:98a58968dc7d 114 ////#define PWR_MODE4_5V pwr_mode=0x21
soumi_ghsoh 10:98a58968dc7d 115 //#endif
soumi_ghsoh 5:93c612f43ec2 116
soumi_ghsoh 10:98a58968dc7d 117 #define NFC_SLEEP EN2=1
soumi_ghsoh 10:98a58968dc7d 118 #define NFC_C_PWR_DOWN EN2=0
soumi_ghsoh 10:98a58968dc7d 119 #define NFC_ON EN=1
soumi_ghsoh 10:98a58968dc7d 120 #define NFC_OFF EN=0
soumi_ghsoh 10:98a58968dc7d 121 //#define PWR_MODE4_3V pwr_mode=0x20
soumi_ghsoh 10:98a58968dc7d 122 //#define PWR_MODE4_5V pwr_mode=0x21
soumi_ghsoh 10:98a58968dc7d 123 //#define PWR_STANDBY_3V pwr_mode =0x81 //enable this to operate trf7970a in standby mode.
soumi_ghsoh 10:98a58968dc7d 124 //#define PWR_STANDBY_5V pwr_mode =0x80