Revision 3:0931a8800543, committed 2015-05-13

Comitter:

sakthipriya

Date:

Wed May 13 06:19:25 2015 +0000

Parent:

2:3d9ca9554adf

Commit message:

end of integration v.1.0

Changed in this revision

--- a/ACS.cpp	Thu Apr 09 15:12:12 2015 +0000
+++ b/ACS.cpp	Wed May 13 06:19:25 2015 +0000
@@ -7,8 +7,8 @@
 SPI spi_acs (PIN16, PIN17, PIN15);        // mosi, miso, sclk  PTE18,19,17
 DigitalOut SSN_MAG (PIN61);               // ssn for magnetometer PTB11
 DigitalInOut DRDY (PIN47);                 // drdy for magnetometer PTA17
-DigitalOut ssn_gyr (PTE2);                //Slave Select pin of gyroscope  PTB16
-InterruptIn dr(PTC6);                     //Interrupt pin for gyro PTC5
+DigitalOut ssn_gyr (PIN62);                //Slave Select pin of gyroscope  PTB16
+InterruptIn dr(PIN81);                     //Interrupt pin for gyro PTC5
 PwmOut PWM1(PIN93);                          //Functions used to generate PWM signal 
 PwmOut PWM2(PIN94); 
 PwmOut PWM3(PIN95);                          //PWM output comes from pins p6

--- a/beacon.cpp	Thu Apr 09 15:12:12 2015 +0000
+++ b/beacon.cpp	Wed May 13 06:19:25 2015 +0000
@@ -20,8 +20,9 @@
 #include "pin_config.h"
 Serial chavan(USBTX, USBRX);           // tx, rx
 //SPI spi(PIN2,PIN1,PIN3);               // mosi, miso, sclk
-DigitalOut cs_bar(PIN6);                 //slave select or chip select
-SPI spi(PTD6,PTD7,PTD5);               // mosi, miso, sclk
+DigitalOut cs(PIN6);                 //slave select or chip select
+//SPI spi(PTD6,PTD7,PTD5);               // mosi, miso, sclk
+SPI spi(PIN16,PIN17,PIN15);
 //DigitalOut cs_bar(PTC11);              //slave select or chip select
 //InterruptIn button(p9);
 //#define TIMES 16      
@@ -34,134 +35,187 @@
     
 }*/
 
+
+    
 extern  ShortBeacy Shortbeacon;
+
 void writereg(uint8_t reg,uint8_t val)
 {
-    cs_bar = 0;
-    spi.write(reg | 0x80);      
-    spi.write(val);
-    cs_bar = 1;
+    cs = 0;__disable_irq();spi.write(reg | 0x80);spi.write(val);__enable_irq();cs = 1;
 }
 uint8_t readreg(uint8_t reg)
 {
-    uint8_t val;
-    cs_bar = 0;
-    spi.write(reg & ~0x80);        
-    val = spi.write(0);
-    cs_bar = 1;
-    return val;
+    int val;cs = 0;__disable_irq();spi.write(reg & ~0x80);val = spi.write(0);__enable_irq();cs = 1;return val;
+}
+void clearTxBuf()
+{
+    writereg(RF22_REG_08_OPERATING_MODE2,0x01);
+    writereg(RF22_REG_08_OPERATING_MODE2,0x00);
+}
+void clearRxBuf()
+{
+    writereg(RF22_REG_08_OPERATING_MODE2,0x02);
+    writereg(RF22_REG_08_OPERATING_MODE2,0x00);
+}
+int setFrequency(float centre,float afcPullInRange)
+{
+//freq setting begins 
+    uint8_t fbsel = 0x40;
+    uint8_t afclimiter;
+    if (centre >= 480.0) {
+        centre /= 2;
+        fbsel |= 0x20;
+        afclimiter = afcPullInRange * 1000000.0 / 1250.0;
+    } else {
+        if (afcPullInRange < 0.0 || afcPullInRange > 0.159375)
+            return false;
+        afclimiter = afcPullInRange * 1000000.0 / 625.0;
+    }
+    centre /= 10.0;
+    float integerPart = floor(centre);
+    float fractionalPart = centre - integerPart;
+ 
+    uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23
+    fbsel |= fb;
+    uint16_t fc = fractionalPart * 64000;
+    writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0);  // REVISIT
+    writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0);
+    writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel);
+    writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8);
+    writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff);
+    writereg(RF22_REG_2A_AFC_LIMITER, afclimiter);
+    return 0;
 }
-        
-void FUNC_BEA() {
+    
+
+
+void init_beacon()
+{
+    //reset()
+    writereg(RF22_REG_07_OPERATING_MODE1,0x80);        //sw_reset
+    wait(1);                    //takes time to reset                                  
+
+    clearTxBuf();                                                             
+    clearRxBuf();                                                             
+    //txfifoalmostempty
+    writereg(RF22_REG_7D_TX_FIFO_CONTROL2,5);
+    //rxfifoalmostfull
+    writereg(RF22_REG_7E_RX_FIFO_CONTROL,20);
+    //Packet-engine registers
+    writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x8E);    //RF22_REG_30_DATA_ACCESS_CONTROL, RF22_ENPACRX | RF22_ENPACTX | RF22_ENCRC | RF22_CRC_CRC_16_IBM
+    //&0x77 = diasable packet rx-tx handling
+    writereg(RF22_REG_32_HEADER_CONTROL1,0x88);    //RF22_REG_32_HEADER_CONTROL1, RF22_BCEN_HEADER3 | RF22_HDCH_HEADER3
+    writereg(RF22_REG_33_HEADER_CONTROL2,0x42);    //RF22_REG_33_HEADER_CONTROL2, RF22_HDLEN_4 | RF22_SYNCLEN_2
+    writereg(RF22_REG_34_PREAMBLE_LENGTH,8);       //RF22_REG_34_PREAMBLE_LENGTH, nibbles); preamble length = 8;
+    writereg(RF22_REG_36_SYNC_WORD3,0x2D);    //syncword3=2D
+    writereg(RF22_REG_37_SYNC_WORD2,0xD4);    //syncword2=D4
+    writereg(RF22_REG_3F_CHECK_HEADER3,0);    //RF22_REG_3F_CHECK_HEADER3, RF22_DEFAULT_NODE_ADDRESS
+    writereg(RF22_REG_3A_TRANSMIT_HEADER3,0xab);    //header_to
+    writereg(RF22_REG_3B_TRANSMIT_HEADER2,0xbc);    //header_from 
+    writereg(RF22_REG_3C_TRANSMIT_HEADER1,0xcd);    //header_ids
+    writereg(RF22_REG_3D_TRANSMIT_HEADER0,0xde);    //header_flags
+    writereg(RF22_REG_3F_CHECK_HEADER3,0xab);   
+    writereg(RF22_REG_40_CHECK_HEADER2,0xbc);   
+    writereg(RF22_REG_41_CHECK_HEADER1,0xcd);   
+    writereg(RF22_REG_42_CHECK_HEADER0,0xde);
+    
+    //RSSI threshold for clear channel indicator
+    writereg(RF22_REG_27_RSSI_THRESHOLD,0xA5);         //55 for -80dBm, 2D for -100dBm, 7D for -60dBm, A5 for -40dBm, CD for -20 dBm
+    
+    writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state                        ??
+    writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state                        ??
+    
+    //interrupts
+    // spiWrite(RF22_REG_05_INTERRUPT_ENABLE1, RF22_ENTXFFAEM |RF22_ENRXFFAFULL | RF22_ENPKSENT |RF22_ENPKVALID| RF22_ENCRCERROR);
+    // spiWrite(RF22_REG_06_INTERRUPT_ENABLE2, RF22_ENPREAVAL);
+    
+    setFrequency(435.0, 0.05);
     
+    //return !(statusRead() & RF22_FREQERR);
+    if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00)
+    printf("frequency not set properly\n");
+    //frequency set
+
+    //setModemConfig(FSK_Rb2_4Fd36);       FSK_Rb2_4Fd36,       ///< FSK, No Manchester, Rb = 2.4kbs,  Fd = 36kHz
+    //setmodemregisters
+    //0x1b, 0x03, 0x41, 0x60, 0x27, 0x52, 0x00, 0x07, 0x40, 0x0a, 0x1e, 0x80, 0x60, 0x13, 0xa9, 0x2c, 0x22, 0x3a = FSK_RB2_4FD36
+    //0xc8, 0x03, 0x39, 0x20, 0x68, 0xdc, 0x00, 0x6b, 0x2a, 0x08, 0x2a, 0x80, 0x60, 0x13, 0xa9, 0x2c, 0x21, 0x08 = OOK,2.4, 335
+    writereg(RF22_REG_1C_IF_FILTER_BANDWIDTH,0x2B);
+    writereg(RF22_REG_1F_CLOCK_RECOVERY_GEARSHIFT_OVERRIDE,0x03);
+    writereg(RF22_REG_20_CLOCK_RECOVERY_OVERSAMPLING_RATE,0x41);
+    writereg(RF22_REG_21_CLOCK_RECOVERY_OFFSET2,0x60);                     
+    writereg(RF22_REG_22_CLOCK_RECOVERY_OFFSET1,0x27);           //updated 20 to 25 reg values from excel sheet for 1.2 Khz freq. deviation,fsk
+    writereg(RF22_REG_23_CLOCK_RECOVERY_OFFSET0,0x52);
+    writereg(RF22_REG_24_CLOCK_RECOVERY_TIMING_LOOP_GAIN1,0x00);
+    writereg(RF22_REG_25_CLOCK_RECOVERY_TIMING_LOOP_GAIN0,0x51);
+    /*writereg(RF22_REG_2C_OOK_COUNTER_VALUE_1,0x2a);
+    writereg(RF22_REG_2D_OOK_COUNTER_VALUE_2,0x08);*/    //not required for fsk (OOK counter value)
+    writereg(RF22_REG_2E_SLICER_PEAK_HOLD,0x1e);         //??
+    writereg(RF22_REG_58,0x80);
+    writereg(RF22_REG_69_AGC_OVERRIDE1,0x60);
+    writereg(RF22_REG_6E_TX_DATA_RATE1,0x09);
+    writereg(RF22_REG_6F_TX_DATA_RATE0,0xd5);
+    writereg(RF22_REG_70_MODULATION_CONTROL1,0x2c);
+    writereg(RF22_REG_71_MODULATION_CONTROL2,0x22);//ook = 0x21 //fsk = 0x22
+    writereg(RF22_REG_72_FREQUENCY_DEVIATION,0x02);
+    //set tx power
+    writereg(RF22_REG_6D_TX_POWER,0x07);    //20dbm
+    writereg(RF22_REG_3E_PACKET_LENGTH,TX_DATA); //packet length     
+}
+
+void FUNC_BEA()
+{
+    init_beacon();
+    printf("\nBeacon function entered\n");
+    wait(1);                     // wait for POR to complete   //change the timing later
+    cs=1;                          // chip must be deselected
+    wait(1);                    //change the time later
+    spi.format(8,0);
+    spi.frequency(10000000);       //10MHz SCLK    
+    if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08) printf("spi connection valid\n");
+    else printf("error in spi connection\n");
+
+       
+    
+    //********
     //button.rise(&interrupt_func);         //interrupt enabled ( rising edge of pin 9)
-    printf("\n\rBeacon function entered\n\r");
-    wait(0.02);                             //takes 10 ms for POR event + 10ms for safety                 
-    
+    wait(0.02);                                                           // pl. update this value  or even avoid it!!!                  
+    //extract values from short_beacon[]
     uint8_t byte_counter = 0;
-    
     /*struct Short_beacon{
         uint8_t Voltage[1];
         uint8_t AngularSpeed[2];
         uint8_t SubsystemStatus[1];
         uint8_t Temp[3];
         uint8_t ErrorFlag[1];
-        }Shortbeacon = { {0x22}, {0x22, 0x33} , {0x00},{0x00,0x00,0x00}, {0xFE} };
+        }Shortbeacon = { {0x88}, {0x99, 0xAA} , {0xAA},{0xAA,0xDD,0xEE}, {0x00} };
     */
     //filling hk data
-    //ShortBeacon Shortbeacon;
     uint8_t short_beacon[] = { 0xAB, 0x8A, 0xE2, 0xBB, 0xB8, 0xA2, 0x8E,Shortbeacon.Voltage[0],Shortbeacon.AngularSpeed[0], Shortbeacon.AngularSpeed[1],Shortbeacon.SubsystemStatus[0],Shortbeacon.Temp[0],Shortbeacon.Temp[1],Shortbeacon.Temp[2],Shortbeacon.ErrorFlag[0]};
     
-    //mask
-    //uint8_t mask[] = {0x80, 0x40, 0x20,0x10,0x8,0x4,0x2,0x1};
-        
     for(int i = 0; i < 15 ; i++)
     {
-        chavan.printf("0x%X\n\r",(short_beacon[i]));    
+        printf("0x%X\n",(short_beacon[i]));    
     }
-    
-    spi.format(8,0);                    
-    spi.frequency(10000000);             //10MHz SCLK frequency(its max for rfm69hcw)
-    cs_bar = 1;                              // Chip must be deselected
-    
-    //initialization
-    //Common configuration registers
-    writereg(0x01,0x04);       //sequencer on,standby mode
-    writereg(0x02,0x08);       //packet-mode used  , ook modultion , no dc-shaping
-    writereg(0x03,0x68);       //1200bps datarate
-    writereg(0x04,0x2B);       //1200bps datarate
-    writereg(0x07,0x6C);       //Frequency MSB
-    writereg(0x08,0xC0);       //Frequency MID
-    writereg(0x09,0x00);       //Frequency LSB        ....6C C0 00 for 435 MHZ   
-    
-    //Transmitter registers
-    // RegPaLevel(default +13 dBm)
-    
-    //IRQ and Pin Mapping Registers
-    //no DIO mapped yet
-    //regirq1(0x27): modeready (8th bit) will be checked for interrupts
-    //regIrq2(0x28): fifothresh (5th bit) ,packetsent(3rd bit) will be checked for interrupts
-    
-    //Packet Engine Registers
-    writereg(0x2C,0x00);        //set preamble
-    writereg(0x2D,0x0A);        //set preamble
-    writereg(0x2E,0x80);        //sync off        
-    writereg(0x2F,0x5E);        //sync word 1               
-    writereg(0x37,0x08 | 0x40);// | 0x10);        //packetconfig1, 0x40 for data whitening (only for testing)                
-    writereg(0x38,0x00);        //payload length = 0 ... unlimited payload mode
-    writereg(0x3C,0xB0);         //fifothresh = 48      because we want it cleared once its 40!!!!
-    //Initialization complete
-    
-    //while(chavan.getc() == 't'){
-    //t.start();  
-    //Filling Data into FIFO 64 BYTES : eff.32 bits = 4bytes                  //fread
-    cs_bar = 0; 
-    spi.write(0x80);//fifo write access
-    for(byte_counter=0 ; byte_counter<4; byte_counter++)
-    {    
-        for(int i=7; i>=0  ; i--)
-        {
-            if((short_beacon[byte_counter] & (uint8_t) pow(2.0,i))!=0)
-            //if((short_beacon[byte_counter] & mask[i]) != 0)
-            {
-                spi.write(0xFF);
-                spi.write(0xFF);
-            }
-    else
-            {
-                spi.write(0x00);
-                spi.write(0x00);
-            }
-        }
-    }
-    cs_bar = 1; //cs_bar
-                
-    //Check for fifoThresh
-    printf("\n\rfor loop executed\n\r");
-    while((readreg(0x28) & 0x20) != 0x20);                         
-    printf("\n\rwhile loop executed\n\r");
-    //Highpower settings
-    writereg(0x11,0x7F);    //RegPalevel (20db)                //~
-    writereg(0x13,0x0F);    //RegOCP
-    writereg(0x5A,0x5D);    //RegTestPa1
-    writereg(0x5C,0x7C);    //RegTestPa2
+    //tx settings begin
+    //setModeIdle();
+    writereg(RF22_REG_07_OPERATING_MODE1,0x01);        //ready mode
+    //fillTxBuf(data, len);
+    clearTxBuf();  
         
     //Set to Tx mode
-    writereg(0x01,0x0C);
+    writereg(RF22_REG_07_OPERATING_MODE1,0x09);
     
-        printf("\n\rpre 2nd while loop\n\r");
+    while(byte_counter!=15){
         //Check for fifoThresh
-        while((readreg(0x28) & 0x20) != 0x00);  
-        printf("\n\r2nd while loop executed\n\r");        
-        while(byte_counter!=15){
-            
+        while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) != 0x20);
         //writing again
-        cs_bar = 0;
-        spi.write(0x80);   
+        cs = 0;
+        spi.write(0xFF);   
         for(int i=7; i>=0 ;i--)
         {
+            //pc.printf("%d\n",byte_counter);
             if((short_beacon[byte_counter] & (uint8_t) pow(2.0,i))!=0)
-            //if((short_beacon[byte_counter] & mask[i]) != 0)
         {
             spi.write(0xFF);
             spi.write(0xFF);
@@ -170,34 +224,15 @@
         {
             spi.write(0x00);
             spi.write(0x00);
+            
         }
         }
-        cs_bar = 1;
+        cs = 1;
         byte_counter++;
-                       
-        //Check for fifoThresh
-        while((readreg(0x28) & 0x20) != 0x00);
-    }
-    printf("\n\r3rd big while loop executed\n\r");
-    //wait for packet sent bit to fire
-    while((readreg(0x28) & 0x08) != 0x08);
-    printf("\n\r4th while loop executed\n\r");
-    //chavan.printf("packet sent!!! \n\r");    
-    
-    //Switch back to Standby Mode
-    writereg(0x01,0x04);
+        
+    }  
+    //rf22.waitPacketSent();
+    while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) != 0x04);//pc.printf(" chck pkt sent!\n");     
+    printf("\nBeacon function exiting\n");
     
-    //Lowpowermode
-    writereg(0x11,0x9F);    //RegPalevel (13db)
-    writereg(0x13,0x1A);    //RegOCP
-    writereg(0x5A,0x55);    //RegTestPa1(setting PA_BOOST on RFIO)
-    writereg(0x5C,0x70);    //RegTestPa2(setting PA_BOOST on RFIO)
-    
-    //wait for modeready
-    while((readreg(0x27)&0x80)!=0x80);
-    
-    //t.stop();
-    //chavan.printf(" time taken to init + transmit = %f \n", t.read()) ;
-    //}
-printf("\n\rBeacon function exiting\n\r");
-}
+}
\ No newline at end of file

--- a/beacon.h	Thu Apr 09 15:12:12 2015 +0000
+++ b/beacon.h	Wed May 13 06:19:25 2015 +0000
@@ -1,5 +1,108 @@
 #include "mbed.h"
 
+
+ 
+#define TIMES 20
+#define RX_DATA 240      //in bytes
+#define TX_DATA 240      //in bytes
+
 void writereg(uint8_t reg,uint8_t val);
 uint8_t readreg(uint8_t reg);
+void clearTxBuf();
+void clearRxBuf();
+int setFrequency(float,float);
+void init_beacon();
 void FUNC_BEA();
+
+#define RF22_MAX_MESSAGE_LEN 255
+// These values we set for FIFO thresholds
+#define RF22_TXFFAEM_THRESHOLD 4
+#define RF22_RXFFAFULL_THRESHOLD 55
+
+// Register names
+#define RF22_REG_00_DEVICE_TYPE                         0x00
+#define RF22_REG_02_DEVICE_STATUS                       0x02
+#define RF22_REG_03_INTERRUPT_STATUS1                   0x03
+#define RF22_REG_04_INTERRUPT_STATUS2                   0x04
+#define RF22_REG_07_OPERATING_MODE1                     0x07
+#define RF22_REG_08_OPERATING_MODE2                     0x08
+#define RF22_REG_09_OSCILLATOR_LOAD_CAPACITANCE         0x09
+#define RF22_REG_0B_GPIO_CONFIGURATION0                 0x0b
+#define RF22_REG_0C_GPIO_CONFIGURATION1                 0x0c
+#define RF22_REG_0D_GPIO_CONFIGURATION2                 0x0d
+#define RF22_REG_1C_IF_FILTER_BANDWIDTH                 0x1c
+#define RF22_REG_1F_CLOCK_RECOVERY_GEARSHIFT_OVERRIDE   0x1f
+#define RF22_REG_20_CLOCK_RECOVERY_OVERSAMPLING_RATE    0x20
+#define RF22_REG_21_CLOCK_RECOVERY_OFFSET2              0x21
+#define RF22_REG_22_CLOCK_RECOVERY_OFFSET1              0x22
+#define RF22_REG_23_CLOCK_RECOVERY_OFFSET0              0x23
+#define RF22_REG_24_CLOCK_RECOVERY_TIMING_LOOP_GAIN1    0x24
+#define RF22_REG_25_CLOCK_RECOVERY_TIMING_LOOP_GAIN0    0x25
+#define RF22_REG_26_RSSI                                0x26
+#define RF22_REG_27_RSSI_THRESHOLD                      0x27
+#define RF22_REG_28_ANTENNA_DIVERSITY1                  0x28
+#define RF22_REG_29_ANTENNA_DIVERSITY2                  0x29
+#define RF22_REG_2A_AFC_LIMITER                         0x2a
+#define RF22_REG_2B_AFC_CORRECTION_READ                 0x2b
+#define RF22_REG_2C_OOK_COUNTER_VALUE_1                 0x2c
+#define RF22_REG_2D_OOK_COUNTER_VALUE_2                 0x2d
+#define RF22_REG_2E_SLICER_PEAK_HOLD                    0x2e
+#define RF22_REG_30_DATA_ACCESS_CONTROL                 0x30
+#define RF22_REG_31_EZMAC_STATUS                        0x31
+#define RF22_REG_32_HEADER_CONTROL1                     0x32
+#define RF22_REG_33_HEADER_CONTROL2                     0x33
+#define RF22_REG_34_PREAMBLE_LENGTH                     0x34
+#define RF22_REG_35_PREAMBLE_DETECTION_CONTROL1         0x35
+#define RF22_REG_36_SYNC_WORD3                          0x36
+#define RF22_REG_37_SYNC_WORD2                          0x37
+#define RF22_REG_38_SYNC_WORD1                          0x38
+#define RF22_REG_39_SYNC_WORD0                          0x39
+#define RF22_REG_3A_TRANSMIT_HEADER3                    0x3a
+#define RF22_REG_3B_TRANSMIT_HEADER2                    0x3b
+#define RF22_REG_3C_TRANSMIT_HEADER1                    0x3c
+#define RF22_REG_3D_TRANSMIT_HEADER0                    0x3d
+#define RF22_REG_3E_PACKET_LENGTH                       0x3e
+#define RF22_REG_3F_CHECK_HEADER3                       0x3f
+#define RF22_REG_40_CHECK_HEADER2                       0x40
+#define RF22_REG_41_CHECK_HEADER1                       0x41
+#define RF22_REG_42_CHECK_HEADER0                       0x42
+#define RF22_REG_43_HEADER_ENABLE3                      0x43
+#define RF22_REG_44_HEADER_ENABLE2                      0x44
+#define RF22_REG_45_HEADER_ENABLE1                      0x45
+#define RF22_REG_46_HEADER_ENABLE0                      0x46
+#define RF22_REG_47_RECEIVED_HEADER3                    0x47
+#define RF22_REG_48_RECEIVED_HEADER2                    0x48
+#define RF22_REG_49_RECEIVED_HEADER1                    0x49
+#define RF22_REG_4A_RECEIVED_HEADER0                    0x4a
+#define RF22_REG_4B_RECEIVED_PACKET_LENGTH              0x4b
+#define RF22_REG_58                                     0x58
+#define RF22_REG_60_CHANNEL_FILTER_COEFFICIENT_ADDRESS  0x60
+#define RF22_REG_61_CHANNEL_FILTER_COEFFICIENT_VALUE    0x61
+#define RF22_REG_62_CRYSTAL_OSCILLATOR_POR_CONTROL      0x62
+#define RF22_REG_63_RC_OSCILLATOR_COARSE_CALIBRATION    0x63
+#define RF22_REG_64_RC_OSCILLATOR_FINE_CALIBRATION      0x64
+#define RF22_REG_65_LDO_CONTROL_OVERRIDE                0x65
+#define RF22_REG_66_LDO_LEVEL_SETTINGS                  0x66
+#define RF22_REG_67_DELTA_SIGMA_ADC_TUNING1             0x67
+#define RF22_REG_68_DELTA_SIGMA_ADC_TUNING2             0x68
+#define RF22_REG_69_AGC_OVERRIDE1                       0x69
+#define RF22_REG_6A_AGC_OVERRIDE2                       0x6a
+#define RF22_REG_6B_GFSK_FIR_FILTER_COEFFICIENT_ADDRESS 0x6b
+#define RF22_REG_6C_GFSK_FIR_FILTER_COEFFICIENT_VALUE   0x6c
+#define RF22_REG_6D_TX_POWER                            0x6d
+#define RF22_REG_6E_TX_DATA_RATE1                       0x6e
+#define RF22_REG_6F_TX_DATA_RATE0                       0x6f
+#define RF22_REG_70_MODULATION_CONTROL1                 0x70
+#define RF22_REG_71_MODULATION_CONTROL2                 0x71
+#define RF22_REG_72_FREQUENCY_DEVIATION                 0x72
+#define RF22_REG_73_FREQUENCY_OFFSET1                   0x73
+#define RF22_REG_74_FREQUENCY_OFFSET2                   0x74
+#define RF22_REG_75_FREQUENCY_BAND_SELECT               0x75
+#define RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1          0x76
+#define RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0          0x77
+#define RF22_REG_79_FREQUENCY_HOPPING_CHANNEL_SELECT    0x79
+#define RF22_REG_7A_FREQUENCY_HOPPING_STEP_SIZE         0x7a
+#define RF22_REG_7C_TX_FIFO_CONTROL1                    0x7c
+#define RF22_REG_7D_TX_FIFO_CONTROL2                    0x7d
+#define RF22_REG_7E_RX_FIFO_CONTROL                     0x7e
+#define RF22_REG_7F_FIFO_ACCESS                         0x7f
\ No newline at end of file

--- a/main.cpp	Thu Apr 09 15:12:12 2015 +0000
+++ b/main.cpp	Wed May 13 06:19:25 2015 +0000
@@ -12,12 +12,15 @@
 
 InterruptIn interrupt(PIN97);                                      //I2c interrupt from CDMS
 DigitalOut data_ready(PIN90);                                     //Sends interrupt to CDMS
+//InterruptIn interrupt(D9);                                      //I2c interrupt from CDMS
+//DigitalOut data_ready(D10);   
 
 Timer t;                                                        //To know the time of execution each thread
 Timer t1;                                                       //To know the time of entering  of each thread
 Timer t2;                                                       //To check the time sync in i2c communication
 Timer t3;                                                       //To know the time taken by i2c read/write function
-
+Timer i1;
+Timer i2;
 /*****************************************************************Threads USed***********************************************************************************/
 Thread *ptr_t_hk_acq;
 Thread *ptr_t_acs;
@@ -26,8 +29,8 @@
 Thread *ptr_t_wdt;  
 
 /****************************************************************configuring I2c*********************************************************************************/
-I2CSlave slave(PIN72,PIN71);                                        //configuring pins p27, p28 as I2Cslave
-
+I2CSlave slave(PIN1,PIN2);                                        //configuring pins p27, p28 as I2Cslave
+//I2CSlave slave (D14,D15);
 int i2c_status=0;                                               //read or write mode for i2c 0: write2slave 1: write2master
 typedef struct                                                  //structure of i2c data 
 {
@@ -84,7 +87,7 @@
         printf("\n\rEntered ACS   %f\n",t1.read());
         t.start();
         FUNC_ACS_MAG_EXEC(mag_field); 
-        printf("\n\r check");
+        //printf("\n\r check");
          for(int i=0; i<3; i++) 
             {
             printf("%f\t",mag_field[i]);
@@ -198,8 +201,14 @@
 void FUNC_I2C_WRITE2CDMS(char *data, int length=1)
 {
     int slave_status = 1;
-    if(interrupt ==1)
-    {
+    int inter_test = interrupt;
+    int slr = slave.receive();
+    wait_ms(20);
+    //printf("\n\r time is %d\n",t2.read_us());
+    //if(interrupt ==1)
+    //{ 
+        //printf("\n\r slave status %d",slave.receive());
+        //t2.stop();
         if(slave.receive() == 0)
             t2.stop();
         if( slave.receive()==1)
@@ -216,10 +225,14 @@
             slave_status=slave.read(data,length);
             t3.stop();
         }
-    }
-    printf("\n\r%d\r",t2.read_us());
+    //}
+  //  printf("\n\r time taken to receive intrpt 4m cdms %d",i1.read_us());
+    //i1.reset();
+    printf("\n\r slave status %d %d %d",slave.receive(),t2.read_us(),t3.read_us());
+   // printf("\n\r time taken from interrupt to reach i2c fn %d",t2.read_us());
+    t2.stop();
     t2.reset();
-    printf("\n\r%d\r",t3.read_us());
+    //printf("\n\r time to execute i2c function %d",t3.read_us());
     t3.reset();
 }
    
@@ -229,9 +242,12 @@
      while(1)
     {
         Thread::signal_wait(0x4);
+        int something = interrupt;
+       // printf("\n\r interrupt %d",interrupt);     
         if(i2c_status == 0 )
+        
         {
-            wait_ms(23);
+           // wait_ms(23);
             FUNC_I2C_WRITE2CDMS(&data_receive,1);
             /*i2c_data * i2c_data_r = i2c_data_receive.alloc();
             i2c_data_r->data = data_receive;
@@ -248,7 +264,8 @@
             {
                 i2c_data *i2c_data_s = (i2c_data*)evt.value.p;
                 strcpy(data_send,i2c_data_s -> data);
-                wait_ms(29);
+               // wait_ms(13);
+                
                 FUNC_I2C_WRITE2CDMS(data_send,25);
                 printf("\n\rData sent to CDMS is %s\n\r",data_send);
                 
@@ -264,12 +281,13 @@
 
 void FUNC_I2C_INT()
 {
+   //i1.stop();
    
-   t2.start();
   // t3.start();
    ptr_t_i2c->signal_set(0x4);
-   
-     
+   //printf("\n ceckh\n");
+   t2.start();
+ //      printf("\n\r time taken from interrupt to reach i2c fn %d",t2.read_us());
 }
 
 void FUNC_I2C_IR2CDMS()
@@ -307,6 +325,7 @@
         i2c_data_s->length = 25;
         i2c_data_send.put(i2c_data_s); 
         data_ready=1;
+     //   i1.start();
         //temp = i2c_status;
 }
     
@@ -343,7 +362,7 @@
     
     if(schedcount%1==0)
     {
-     ptr_t_acs -> signal_set(0x1);
+     //ptr_t_acs -> signal_set(0x1);
      //ptr_t_wdt -> signal_set(0x5);
     }
     if(schedcount%2==0)
@@ -369,11 +388,11 @@
 {
     t1.start();
     printf("\n\rIITMSAT BAE Activated \n");
-    INIT_PNI();                                       // Initializing mnm blue
-    FUNC_ACS_MAG_INIT();                              // Initializing magnetometer
+    //INIT_PNI();                                       // Initializing mnm blue
+    //FUNC_ACS_MAG_INIT();                              // Initializing magnetometer
     //FUNC_ACS_INIT_GYR();                              // Initializing Gyroscope
     slave.address(0x20);                              // setting slave address for BAE for I2C communication
-
+    //init_beacon();
     ptr_t_hk_acq = new Thread(T_HK_ACQ);
     ptr_t_acs = new Thread(T_ACS);                    
     ptr_t_bea = new Thread(T_BEA);