File content as of revision 7:96baf1b2fd07:

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
    Filename:       main.cpp
    Description:    Interface nRF51-DK eval board to TRF7970 eval board 
                    to test the suitability of the TRF7970 NFC chip 
                    for use in Gymtrack products.
                    The nRF51-DK board has an nRF51422 MCU.
    Copyright (C)   2015 Gymtrack, Inc.
    Author:         Ron Clough
    Date:           2015-02-26
    
    Changes:
    Rev     Date        Who     Details
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    0.0     2015-02-26  RWC     Original version.
    
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include    "mbed.h"

//#include    "NFC_7970.h"
#include    "readerComm.h"

SPI         spi(p25, p28, p29); // MOSI, MISO, SCLK
           // Slave Select (SS)
Serial      pc(USBTX, USBRX);   // Serial communication over USB with PC
DigitalOut  heartbeatLED(LED4); // "Heartbeat" LED
DigitalOut  debug2LED(LED2);    // "Debug2" LED
DigitalOut  ISO15693LED(LED3);  // "Detected ISO15693 tag" LED
DigitalOut  debug1LED(LED1);    // "Debug1" LED
//DigitalInOut  ook_ask(p6);      // Control ASK/OOK pin on TRF7970
//DigitalOut  mod(p5);            // Control MOD pin on TRF7970
InterruptIn     readerInt(p7); 
DigitalOut  testPin(p1);

uint8_t     buf[300];
uint8_t noBytes=0;

uint8_t     found=0;
bool tagFound=0;
int main()
{
pc.baud(115200);
readerInt.rise(&handlerNFC);
PowerUpNFC();
SpiInit(); //spi=1Mhz
NFCInit();
wait_ms(1);
RegisterReInitNFC();
RegistersReadNFC();
while(1)
{
MemReadReqNFC();
if(found==1)
{
ReadNFC();

printf("read single block:");
for(uint8_t i=0; i<noBytes; i++)
printf("%X ", buf[i]);
printf("\r\n");
found=0;
}
else 
{printf("tnf1 \r\n");
}
InventoryReqNFC();
if(found==1)
{
ReadNFC();
printf("tag id:");
for(uint8_t i=0; i<noBytes; i++)
printf("%X ", buf[i]);
printf("\r\n");
found=0;
}
else 
{printf("tnf2 \r\n");
}
}
}  

























    
    ////  Setup LEDs
//    heartbeatLED = LED_OFF;
//    ISO15693LED = LED_OFF;
//    debug1LED = LED_OFF;
//    debug2LED = LED_OFF;
    
    //for (uint8_t i=0; i<4; i++) {
//        heartbeatLED = LED_ON;
//       ISO15693LED = LED_ON;
//       debug1LED = LED_ON;
//       wait_ms(100);
//       heartbeatLED = LED_OFF;
//       ISO15693LED = LED_OFF;
//       debug1LED = LED_OFF;
//       wait_ms(100);
//           }
//    
//    Ticker  heartbeat;
//    heartbeat.attach(blinkHeartbeatLED, 1);
//    printf("LEDs, ");
   //=============================================================== 
    //  Setup the SPI interface
 //   spi.format(8, 1);       // 8 bit data, mode = 1 (transition on rising edge, sample on falling edge)
//    spi.frequency(1000000); // SCLK = 1 MHz
////    printf("SPI, ");
//    
//    //  Set On-Off Keying modulation
//    ook_ask.output();
//    ook_ask = 1;
////    printf("OOK, ");
//    
//    //  Apply initial settings to the TRF7970
//    testPin=1;
//    trf797xInitialSettings();
////    printf("Initialized, ");
//   testPin=0;
//    //  Tri-state OOK pin
//    ook_ask.input();
//    ook_ask.mode(PullUp);
//    
//    readerMode = 0x00;
   //============================================================= 
    /*
    //  Test: Write 0xAA to MODULATOR_CONTROL, then verify by reading MODULATOR_CONTROL.
//    printf("\r\n");
    buffer[0] = MODULATOR_CONTROL;
    buffer[1] = 0xAA;
//    printf("BEFORE WR: buffer[0]: %X  buffer[1]: %X\r\n", buffer[0], buffer[1]);
    spiWriteSingle(buffer, 2);
//    printf("AFTER WR:  buffer[0]: %X  buffer[1]: %X\r\n", buffer[0], buffer[1]);
    spiReadSingle(buffer, 1);
//    printf("AFTER RD:  buffer[0]: %X  buffer[1]: %X\r\n", buffer[0], buffer[1]);
//    printf("\r\n");
    */
    
   // printf("\r\nFinished Init\r\n");
    
    //  Setup interrupt from TRF7970
  //  testPin=1;
  //========================
 //  trf797xSetupIrq();
   //======================
  // testPin=0;
//    printf("IRQ setup, ");
    
//    printf("finished init.\r\n\r\n");

  //  while(1) {                                    // changed TRUE to 1 $SG
//       iso15693FindTag();
//    }
//    
//}   // End of main()