Diff: readerComm.h

Revision:

7:96baf1b2fd07

Parent:

6:3c510c297e2f

Child:

9:9266e0109d26

diff -r 3c510c297e2f -r 96baf1b2fd07 readerComm.h
--- a/readerComm.h	Thu Apr 02 21:10:48 2015 +0000
+++ b/readerComm.h	Tue Apr 07 20:06:51 2015 +0000
@@ -1,35 +1,22 @@
-
-/*
-    Header file for readerComm.cpp
-*/
 
 //  Prototypes
-//void SpiInit1(void);
-void SpiInit(void);
-void trf797xInitialSettings(void);
-void trf797xDirectCommand(uint8_t *buffer);
-void trf797xWriteSingle(uint8_t *buffer, uint8_t length);
-void trf797xReadSingle(uint8_t *buffer, uint8_t number);
-void trf797xReadContinuous(uint8_t *buffer, uint8_t length);
-void trf797xRawWrite(uint8_t *buffer, uint8_t length);
-//void trf797xStopDecoders(void);
-//void trf797xRunDecoders(void);
-//void trf797xTxNextSlot(void);
-//void trf797xtDisableSlotCounter(void);
-//void trf797xReset(void);
-//void trf797xTurnRfOn(void);
-//void trf797xTurnRfOff(void);
-//void trf797xWriteIsoControl(uint8_t iso_control);
-//void iso15693FindTag(void);
-//void iso15693Anticollision(uint8_t *mask, uint8_t length);
-void PowerUpNFC(void);
-void PowerDownNFC(void);
-void NFCInit(void);
-void RegisterReInitNFC(void);
-void RegistersReadNFC(void);
-void InventoryReqNFC(void);
-void ReadNFC(void);
-void PollNFC(void);
+//void SpiInit1(void);                                               // SPI 250 Khz
+void SpiInit(void);                                                  // SPI 1Mhz
+void trf797xDirectCommand(uint8_t *buffer);                          // send direct command to trf7970a
+void trf797xWriteSingle(uint8_t *buffer, uint8_t length);            // write to trf7970a register
+void trf797xReadSingle(uint8_t *buffer, uint8_t number);             // read trf7970a register  
+void trf797xReadContinuous(uint8_t *buffer, uint8_t length);         // read continuous bytes from trf7970a
+void trf797xRawWrite(uint8_t *buffer, uint8_t length);               // raw write to trf7970a FIFO
+void PowerUpNFC(void);                                               // powerup trf7970a 
+void PowerDownNFC(void);                                             // powerdown trf7970a 
+void NFCInit(void);                                                  // initialize trf7970 iso control =0x02, chip status control=0x20, modulator=0x21
+void RegisterReInitNFC(void);                                        // reinitialize nfc status registers
+void RegistersReadNFC(void);                                         // read nfc status registers
+void InventoryReqNFC(void);                                          // inventory request to trf7970a
+void MemReadReqNFC(void);                                            // memory read request to trf7970a
+void ReadNFC(void);                                                  // read teag ID/Single Read
+void PollNFC(uint8_t *irqStatus);                                    // read rx complete irq from trf7970a.
+void handlerNFC(void);                                               // trf7970 irq handler            
 //  Booleans 
 #define     DESELECT    1
 #define     SELECT      0
@@ -91,7 +78,7 @@
 #define NFC_TARGET_PROTOCOL         0x19
 #define TEST_SETTINGS_1             0x1A
 #define TEST_SETTINGS_2             0x1B
-#define FIFO_CONTROL                0x1C
+#define FIFO_COUNTER                0x1C
 #define TX_LENGTH_BYTE_1            0x1D
 #define TX_LENGTH_BYTE_2            0x1E
 #define FIFO                        0x1F