pradeep shekhar / Mbed 2 deprecated Beacon_BAE_intergration_test

General testings

Dependencies:   mbed

BCN.cpp@1:e4b70669ae61, 2015-11-02 (annotated)

Committer:
shekhar
Date:
Mon Nov 02 14:22:50 2015 +0000
Revision:
1:e4b70669ae61
Parent:
0:e0a901172445
Child:
2:5b000925d960
Child:
3:60598b6b5778
Child:
4:d1a2b3ff6b5e
minor bug fix;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shekhar 0:e0a901172445 1 #include "BCN.h"
shekhar 0:e0a901172445 2 //Check the pin names
shekhar 0:e0a901172445 3 //Takes max 4.3 sec in void FCTN_BCN_TX_MAIN() (temp.calc. + long_beacon + short_beacon)
shekhar 0:e0a901172445 4
shekhar 0:e0a901172445 5 Serial pc(USBTX, USBRX); //tx,rx
shekhar 0:e0a901172445 6 SPI spi(D11, D12, D13); // mosi, miso, sclk
shekhar 0:e0a901172445 7 DigitalOut cs(D10); //slave select or chip select
shekhar 0:e0a901172445 8 Timer t_i;
shekhar 0:e0a901172445 9 Timeout rf_sl_timeout;
shekhar 0:e0a901172445 10 Ticker loop;
shekhar 0:e0a901172445 11
shekhar 0:e0a901172445 12 //GLOBAL VARIABLES
shekhar 0:e0a901172445 13 uint8_t BCN_INIT_STATUS = 0;
shekhar 0:e0a901172445 14 uint8_t BCN_TX_MAIN_STATUS = 0;
shekhar 0:e0a901172445 15 uint8_t BCN_TX_STATUS = 0;
shekhar 0:e0a901172445 16 uint8_t BCN_TX_EN = 1; //hardcoding for now //check where is this variable toggled??
shekhar 0:e0a901172445 17 uint8_t BCN_FEN = 0; //hardcoding for now //write this value to flash
shekhar 0:e0a901172445 18 uint8_t BCN_STANDBY = 0; //hardcoding for now //check where is this variable toggled??
shekhar 0:e0a901172445 19 uint8_t BCN_TS_BUFFER = 0; // For Temperature
shekhar 0:e0a901172445 20
shekhar 0:e0a901172445 21 void FCTN_BCN_INIT()
shekhar 0:e0a901172445 22 {
shekhar 0:e0a901172445 23 pc.printf("FCTN_BCN_INIT\n");
shekhar 0:e0a901172445 24 BCN_INIT_STATUS = 1;
shekhar 0:e0a901172445 25 if(BCN_FEN == 0)
shekhar 0:e0a901172445 26 rf_sl_timeout.attach(&FCTN_BCN_FEN, 30);
shekhar 0:e0a901172445 27 Init_BEACON_HW();
shekhar 0:e0a901172445 28 BCN_INIT_STATUS = 0;
shekhar 0:e0a901172445 29 }
shekhar 0:e0a901172445 30 void FCTN_BCN_FEN()
shekhar 0:e0a901172445 31 {
shekhar 0:e0a901172445 32 pc.printf("FCTN_FEN\n");
shekhar 0:e0a901172445 33 BCN_FEN = 1;//write this value to flash
shekhar 0:e0a901172445 34 }
shekhar 0:e0a901172445 35 void FCTN_BCN_TX_MAIN()
shekhar 0:e0a901172445 36 {
shekhar 0:e0a901172445 37 pc.printf("FCTN_BCN_TX_MAIN\n");
shekhar 0:e0a901172445 38 t_i.start();
shekhar 0:e0a901172445 39 int begin = t_i.read_us();
shekhar 0:e0a901172445 40 BCN_TX_MAIN_STATUS = 1;
shekhar 0:e0a901172445 41
shekhar 0:e0a901172445 42 if(BCN_FEN == 1)
shekhar 0:e0a901172445 43 {
shekhar 0:e0a901172445 44 if(BCN_TX_EN == 1)
shekhar 0:e0a901172445 45 {
shekhar 0:e0a901172445 46 //Measure and store BCN temperature in BCN_TS_BUFFER
shekhar 0:e0a901172445 47 BCN_TS_BUFFER = check_Temperature();
shekhar 0:e0a901172445 48 pc.printf("\n\ntemperature = %d\n\n",BCN_TS_BUFFER);
shekhar 0:e0a901172445 49 //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER
shekhar 0:e0a901172445 50 if(BCN_STANDBY == 1 )
shekhar 0:e0a901172445 51 {
shekhar 0:e0a901172445 52 Set_BCN_TX_STATUS(BCN_TX_STANDBY);
shekhar 0:e0a901172445 53 BCN_TX_MAIN_STATUS = 0;
shekhar 0:e0a901172445 54
shekhar 0:e0a901172445 55 // break;
shekhar 0:e0a901172445 56 }
shekhar 0:e0a901172445 57 else
shekhar 0:e0a901172445 58 {
shekhar 0:e0a901172445 59 //transmit short beacon and long beacon
shekhar 1:e4b70669ae61 60 //SHORT_BCN_TX();
shekhar 1:e4b70669ae61 61 LONG_BCN_TX();
shekhar 0:e0a901172445 62
shekhar 0:e0a901172445 63 if(Check_ACK_RECEIVED() == 1)
shekhar 0:e0a901172445 64 {
shekhar 0:e0a901172445 65 Set_BCN_TX_STATUS(BCN_TX_SUCCESS);
shekhar 0:e0a901172445 66 BCN_TX_MAIN_STATUS = 0;
shekhar 0:e0a901172445 67 }
shekhar 0:e0a901172445 68 else
shekhar 0:e0a901172445 69 {
shekhar 0:e0a901172445 70 Set_BCN_TX_STATUS(BCN_TX_FAILURE);
shekhar 0:e0a901172445 71 BCN_TX_MAIN_STATUS = 0;
shekhar 0:e0a901172445 72
shekhar 0:e0a901172445 73 }
shekhar 0:e0a901172445 74 }
shekhar 0:e0a901172445 75 }
shekhar 0:e0a901172445 76 else
shekhar 0:e0a901172445 77 {
shekhar 0:e0a901172445 78 Set_BCN_TX_STATUS(BCN_TX_DISABLED);
shekhar 0:e0a901172445 79 BCN_TX_MAIN_STATUS = 0;
shekhar 0:e0a901172445 80 }
shekhar 0:e0a901172445 81 }
shekhar 0:e0a901172445 82 else
shekhar 0:e0a901172445 83 {
shekhar 0:e0a901172445 84 Set_BCN_TX_STATUS(BCN_RF_SILENCE); //Window of RF Silence: None of the Txs should be on.
shekhar 0:e0a901172445 85 BCN_TX_MAIN_STATUS = 0;
shekhar 0:e0a901172445 86 }
shekhar 0:e0a901172445 87 t_i.stop();
shekhar 0:e0a901172445 88 int end = t_i.read_us();
shekhar 0:e0a901172445 89 pc.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin);
shekhar 0:e0a901172445 90
shekhar 0:e0a901172445 91 }
shekhar 0:e0a901172445 92
shekhar 0:e0a901172445 93 void Set_BCN_TX_STATUS(uint8_t STATUS)
shekhar 0:e0a901172445 94 {
shekhar 0:e0a901172445 95 BCN_TX_STATUS = STATUS;
shekhar 0:e0a901172445 96 }
shekhar 0:e0a901172445 97
shekhar 0:e0a901172445 98 uint8_t check_Temperature()
shekhar 0:e0a901172445 99 {
shekhar 0:e0a901172445 100 uint8_t temperature;
shekhar 0:e0a901172445 101 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00);
shekhar 0:e0a901172445 102 writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20);
shekhar 0:e0a901172445 103 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);
shekhar 0:e0a901172445 104 wait(0.1);
shekhar 0:e0a901172445 105 temperature = readreg(RF22_REG_11_ADC_Value);
shekhar 0:e0a901172445 106 temperature = (float)temperature*0.5 - 64;
shekhar 0:e0a901172445 107 return temperature;
shekhar 0:e0a901172445 108 }
shekhar 0:e0a901172445 109
shekhar 0:e0a901172445 110 void SHORT_BCN_TX()
shekhar 0:e0a901172445 111 {
shekhar 0:e0a901172445 112 writereg(RF22_REG_6E_TX_DATA_RATE,0x01);
shekhar 0:e0a901172445 113 writereg(RF22_REG_6F_TX_DATA_RATE,0x50);//160bps
shekhar 0:e0a901172445 114 writereg(RF22_REG_3E_PACKET_LENGTH,SHORT_TX_DATA); //short packet length
shekhar 0:e0a901172445 115 wait(0.02);
shekhar 0:e0a901172445 116
shekhar 0:e0a901172445 117 uint32_t timeout_count = 10e5;
shekhar 0:e0a901172445 118 //extract values from short_beacon[]
shekhar 0:e0a901172445 119
shekhar 0:e0a901172445 120 struct Short_beacon
shekhar 0:e0a901172445 121 {
shekhar 0:e0a901172445 122 uint8_t Voltage[1];
shekhar 0:e0a901172445 123 uint8_t AngularSpeed[2];
shekhar 0:e0a901172445 124 uint8_t SubsystemStatus[1];
shekhar 0:e0a901172445 125 uint8_t Temp[3];
shekhar 0:e0a901172445 126 uint8_t ErrorFlag[1];
shekhar 0:e0a901172445 127 }Shortbeacon = { {0x88}, {0x99, 0xAA} , {0xAA},{0xAA,0xDD,0xEE}, {0x00} };
shekhar 0:e0a901172445 128
shekhar 0:e0a901172445 129 //filling hk data
shekhar 0:e0a901172445 130 //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]};
shekhar 0:e0a901172445 131 uint8_t short_beacon[] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,Shortbeacon.Voltage[0],Shortbeacon.AngularSpeed[0], Shortbeacon.AngularSpeed[1],Shortbeacon.SubsystemStatus[0],Shortbeacon.Temp[0],Shortbeacon.Temp[1],Shortbeacon.Temp[2],Shortbeacon.ErrorFlag[0]};
shekhar 0:e0a901172445 132
shekhar 0:e0a901172445 133 clearTxBuf();
shekhar 0:e0a901172445 134 //writing data first time
shekhar 0:e0a901172445 135 int byte = 0;
shekhar 0:e0a901172445 136 cs = 0;
shekhar 0:e0a901172445 137 spi.write(0xFF);
shekhar 0:e0a901172445 138
shekhar 0:e0a901172445 139 for (int byte_counter = 0; byte_counter <15 ; byte_counter++)
shekhar 0:e0a901172445 140 {
shekhar 0:e0a901172445 141 for(int j = 3; j >= 0 ; j--)
shekhar 0:e0a901172445 142 {
shekhar 0:e0a901172445 143 if((short_beacon[byte_counter] & (uint8_t) pow(2.0,(j*2+1)))!= pow(2.0,(j*2+1)))
shekhar 0:e0a901172445 144 {
shekhar 0:e0a901172445 145 byte=0x00;
shekhar 0:e0a901172445 146 }
shekhar 0:e0a901172445 147 else
shekhar 0:e0a901172445 148 {
shekhar 0:e0a901172445 149 byte=0xF0;
shekhar 0:e0a901172445 150 }
shekhar 0:e0a901172445 151 if((short_beacon[byte_counter] & (uint8_t) pow(2.0,j*2))!= pow(2.0,j*2))
shekhar 0:e0a901172445 152 {
shekhar 0:e0a901172445 153 byte=byte | 0x00;
shekhar 0:e0a901172445 154 }
shekhar 0:e0a901172445 155 else
shekhar 0:e0a901172445 156 {
shekhar 0:e0a901172445 157 byte=byte | 0x0F;
shekhar 0:e0a901172445 158 }
shekhar 0:e0a901172445 159 spi.write(byte);
shekhar 0:e0a901172445 160 }
shekhar 0:e0a901172445 161 }
shekhar 0:e0a901172445 162
shekhar 0:e0a901172445 163 cs = 1;
shekhar 0:e0a901172445 164
shekhar 0:e0a901172445 165 //Set to Tx mode
shekhar 0:e0a901172445 166 writereg(RF22_REG_07_OPERATING_MODE1,0x08);//*
shekhar 0:e0a901172445 167 wait(0.1);
shekhar 0:e0a901172445 168 //Check for fifoThresh
shekhar 0:e0a901172445 169 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;
shekhar 0:e0a901172445 170 timeout_count=10e5;
shekhar 0:e0a901172445 171
shekhar 0:e0a901172445 172 //Check for packet_sent
shekhar 0:e0a901172445 173 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;
shekhar 0:e0a901172445 174
shekhar 0:e0a901172445 175 //pc.printf("Short packet sent\r\n");
shekhar 0:e0a901172445 176
shekhar 0:e0a901172445 177 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
shekhar 0:e0a901172445 178
shekhar 0:e0a901172445 179 }
shekhar 0:e0a901172445 180 void LONG_BCN_TX()
shekhar 0:e0a901172445 181 {
shekhar 0:e0a901172445 182 writereg(RF22_REG_6E_TX_DATA_RATE,0x04);
shekhar 0:e0a901172445 183 writereg(RF22_REG_6F_TX_DATA_RATE,0xEA);//600 bps
shekhar 0:e0a901172445 184 writereg(RF22_REG_3E_PACKET_LENGTH,LONG_TX_DATA); //long packet length
shekhar 0:e0a901172445 185 wait(0.02);
shekhar 0:e0a901172445 186 uint32_t timeout_count=10e5;
shekhar 0:e0a901172445 187
shekhar 0:e0a901172445 188 //get long_beacon array
shekhar 0:e0a901172445 189
shekhar 0:e0a901172445 190 uint8_t Long_beacon[75];
shekhar 0:e0a901172445 191 for(int i = 0;i<75;)
shekhar 0:e0a901172445 192 {
shekhar 0:e0a901172445 193 Long_beacon[i++] = 0xAA;
shekhar 0:e0a901172445 194 }
shekhar 0:e0a901172445 195
shekhar 0:e0a901172445 196
shekhar 0:e0a901172445 197
shekhar 0:e0a901172445 198
shekhar 0:e0a901172445 199 //setModeIdle();
shekhar 0:e0a901172445 200 clearTxBuf();
shekhar 0:e0a901172445 201 //writing data first time
shekhar 0:e0a901172445 202 cs = 0;
shekhar 0:e0a901172445 203 spi.write(0xFF);
shekhar 0:e0a901172445 204 for(int i=0; i<60;i++)
shekhar 0:e0a901172445 205 {
shekhar 0:e0a901172445 206 spi.write(Long_beacon[i]);
shekhar 0:e0a901172445 207 }
shekhar 0:e0a901172445 208 cs = 1;
shekhar 0:e0a901172445 209
shekhar 0:e0a901172445 210 //Set to Tx mode
shekhar 0:e0a901172445 211 writereg(RF22_REG_07_OPERATING_MODE1,0x08);//*
shekhar 0:e0a901172445 212 wait(0.1);
shekhar 0:e0a901172445 213
shekhar 0:e0a901172445 214 //Check for fifoThresh
shekhar 0:e0a901172445 215 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;
shekhar 0:e0a901172445 216 timeout_count=10e5;
shekhar 0:e0a901172445 217
shekhar 0:e0a901172445 218 cs = 0;
shekhar 0:e0a901172445 219 spi.write(0xFF);
shekhar 0:e0a901172445 220 for(int i=60; i<75;i++)
shekhar 0:e0a901172445 221 {
shekhar 0:e0a901172445 222 spi.write(Long_beacon[i]);
shekhar 0:e0a901172445 223 }
shekhar 0:e0a901172445 224 cs = 1;
shekhar 0:e0a901172445 225 wait(0.1);
shekhar 0:e0a901172445 226 //Check for fifoThresh
shekhar 0:e0a901172445 227 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;
shekhar 0:e0a901172445 228 timeout_count=10e5;
shekhar 0:e0a901172445 229
shekhar 0:e0a901172445 230 //Check for packetsent interrupt
shekhar 0:e0a901172445 231 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;
shekhar 0:e0a901172445 232
shekhar 0:e0a901172445 233 //pc.printf("Long packet sent\r\n");
shekhar 0:e0a901172445 234
shekhar 0:e0a901172445 235 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
shekhar 0:e0a901172445 236 }
shekhar 0:e0a901172445 237 void reset_rfm()
shekhar 0:e0a901172445 238 {
shekhar 0:e0a901172445 239 FCTN_BCN_INIT();
shekhar 0:e0a901172445 240 }
shekhar 0:e0a901172445 241 void writereg(uint8_t reg,uint8_t val)
shekhar 0:e0a901172445 242 {
shekhar 0:e0a901172445 243 uint8_t count = 0;
shekhar 0:e0a901172445 244 for(;;count++)
shekhar 0:e0a901172445 245 {
shekhar 0:e0a901172445 246 int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1;
shekhar 0:e0a901172445 247 if(reg != 0x7 && reg != 0x58 && reg != 0xF)
shekhar 0:e0a901172445 248 {
shekhar 0:e0a901172445 249 read_val = readreg(reg);
shekhar 0:e0a901172445 250 if (read_val == val)
shekhar 0:e0a901172445 251 {
shekhar 0:e0a901172445 252 break;
shekhar 0:e0a901172445 253 }
shekhar 0:e0a901172445 254 else if(count == 5)
shekhar 0:e0a901172445 255 {
shekhar 0:e0a901172445 256 reset_rfm(), printf("reg = 0x%X\n",reg);break;
shekhar 0:e0a901172445 257 }
shekhar 0:e0a901172445 258 }
shekhar 0:e0a901172445 259 else
shekhar 0:e0a901172445 260 break;
shekhar 0:e0a901172445 261 }
shekhar 0:e0a901172445 262 }
shekhar 0:e0a901172445 263 uint8_t readreg(uint8_t reg)
shekhar 0:e0a901172445 264 {
shekhar 0:e0a901172445 265 uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val;
shekhar 0:e0a901172445 266 }
shekhar 0:e0a901172445 267 void clearTxBuf()
shekhar 0:e0a901172445 268 {
shekhar 0:e0a901172445 269 writereg(RF22_REG_08_OPERATING_MODE2,0x01);
shekhar 0:e0a901172445 270 writereg(RF22_REG_08_OPERATING_MODE2,0x00);
shekhar 0:e0a901172445 271 }
shekhar 1:e4b70669ae61 272 uint8_t setFrequency(double centre)
shekhar 0:e0a901172445 273 {
shekhar 0:e0a901172445 274 uint8_t fbsel = 0x40;
shekhar 0:e0a901172445 275 if (centre >= 480.0) {
shekhar 0:e0a901172445 276 centre /= 2;
shekhar 0:e0a901172445 277 fbsel |= 0x20;
shekhar 1:e4b70669ae61 278 }
shekhar 0:e0a901172445 279 centre /= 10.0;
shekhar 0:e0a901172445 280 double integerPart = floor(centre);
shekhar 0:e0a901172445 281 double fractionalPart = centre - integerPart;
shekhar 0:e0a901172445 282
shekhar 0:e0a901172445 283 uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23
shekhar 0:e0a901172445 284 fbsel |= fb;
shekhar 0:e0a901172445 285 uint16_t fc = fractionalPart * 64000;
shekhar 0:e0a901172445 286 writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT
shekhar 0:e0a901172445 287 writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0);
shekhar 0:e0a901172445 288 writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel);
shekhar 0:e0a901172445 289 writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8);
shekhar 0:e0a901172445 290 writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff);
shekhar 0:e0a901172445 291 return 0;
shekhar 0:e0a901172445 292 }
shekhar 0:e0a901172445 293
shekhar 0:e0a901172445 294
shekhar 0:e0a901172445 295 void Init_BEACON_HW()
shekhar 0:e0a901172445 296 {
shekhar 0:e0a901172445 297 wait(0.1);
shekhar 0:e0a901172445 298 cs=1; // chip must be deselected
shekhar 0:e0a901172445 299 wait(0.1);
shekhar 0:e0a901172445 300 spi.format(8,0);
shekhar 0:e0a901172445 301 spi.frequency(10000000); //10MHz SCLK
shekhar 0:e0a901172445 302
shekhar 0:e0a901172445 303 //should either have a flag for invalid SPI or discard this for actual case or add reset
shekhar 0:e0a901172445 304 if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08)
shekhar 0:e0a901172445 305 pc.printf("spi connection valid\r\n");
shekhar 0:e0a901172445 306 else
shekhar 0:e0a901172445 307 {pc.printf("error in spi connection\r\n");
shekhar 0:e0a901172445 308 reset_rfm();
shekhar 0:e0a901172445 309 }
shekhar 0:e0a901172445 310
shekhar 0:e0a901172445 311 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
shekhar 0:e0a901172445 312 wait(0.1); //takes time to reset
shekhar 0:e0a901172445 313
shekhar 0:e0a901172445 314 clearTxBuf();
shekhar 0:e0a901172445 315
shekhar 0:e0a901172445 316 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
shekhar 0:e0a901172445 317
shekhar 0:e0a901172445 318 //txfifoalmostempty
shekhar 0:e0a901172445 319 writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30);
shekhar 0:e0a901172445 320
shekhar 0:e0a901172445 321 //Packet-engine registers
shekhar 0:e0a901172445 322 writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00);
shekhar 0:e0a901172445 323
shekhar 0:e0a901172445 324 writereg(RF22_REG_33_HEADER_CONTROL2,0x08);
shekhar 0:e0a901172445 325 writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00);
shekhar 0:e0a901172445 326
shekhar 0:e0a901172445 327 writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state
shekhar 0:e0a901172445 328 writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state
shekhar 0:e0a901172445 329
shekhar 1:e4b70669ae61 330 setFrequency(435.0);
shekhar 0:e0a901172445 331
shekhar 0:e0a901172445 332 if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00)
shekhar 0:e0a901172445 333 {
shekhar 0:e0a901172445 334 pc.printf("frequency not set properly\r\n");
shekhar 0:e0a901172445 335 reset_rfm();
shekhar 0:e0a901172445 336 }
shekhar 0:e0a901172445 337
shekhar 0:e0a901172445 338 //set Modem Configuration
shekhar 0:e0a901172445 339 //writereg(RF22_REG_1C_IF_FILTER_BANDWIDTH,0xdf);
shekhar 0:e0a901172445 340 //writereg(RF22_REG_1F_CLOCK_RECOVERY_GEARSHIFT_OVERRIDE,0x03);
shekhar 0:e0a901172445 341 //writereg(RF22_REG_20_CLOCK_RECOVERY_OVERSAMPLING_RATE,0x39);
shekhar 0:e0a901172445 342 //writereg(RF22_REG_21_CLOCK_RECOVERY_OFFSET2,0x20);
shekhar 0:e0a901172445 343 //writereg(RF22_REG_22_CLOCK_RECOVERY_OFFSET1,0x68); //updated 20 to 25 reg values from excel sheet for 1.2 Khz freq. deviation,fsk
shekhar 0:e0a901172445 344 //writereg(RF22_REG_23_CLOCK_RECOVERY_OFFSET0,0xdc);
shekhar 0:e0a901172445 345 //writereg(RF22_REG_24_CLOCK_RECOVERY_TIMING_LOOP_GAIN1,0x00);
shekhar 0:e0a901172445 346 //writereg(RF22_REG_25_CLOCK_RECOVERY_TIMING_LOOP_GAIN0,0x6B);
shekhar 0:e0a901172445 347 //writereg(RF22_REG_2C_OOK_COUNTER_VALUE_1,0x2C);
shekhar 0:e0a901172445 348 //writereg(RF22_REG_2D_OOK_COUNTER_VALUE_2,0x11); //not required for fsk (OOK counter value)
shekhar 0:e0a901172445 349 //writereg(RF22_REG_2E_SLICER_PEAK_HOLD,0x2A); //??
shekhar 0:e0a901172445 350 writereg(RF22_REG_58,0x80);
shekhar 0:e0a901172445 351 //writereg(RF22_REG_69_AGC_OVERRIDE1,0x60);
shekhar 0:e0a901172445 352
shekhar 0:e0a901172445 353 //Data rate set later
shekhar 0:e0a901172445 354
shekhar 0:e0a901172445 355 writereg(RF22_REG_70_MODULATION_CONTROL1,0x20);
shekhar 0:e0a901172445 356 writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//ook = 0x21
shekhar 0:e0a901172445 357
shekhar 0:e0a901172445 358 //set tx power
shekhar 0:e0a901172445 359 writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm
shekhar 0:e0a901172445 360
shekhar 0:e0a901172445 361 //TX_packet_length written later
shekhar 0:e0a901172445 362 }
shekhar 0:e0a901172445 363 bool Check_ACK_RECEIVED()
shekhar 0:e0a901172445 364 {
shekhar 0:e0a901172445 365 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)
shekhar 0:e0a901172445 366 {
shekhar 0:e0a901172445 367 printf("Packet sent: ACK received\r\n");
shekhar 0:e0a901172445 368 return 1;
shekhar 0:e0a901172445 369 }
shekhar 0:e0a901172445 370 else
shekhar 0:e0a901172445 371 {
shekhar 0:e0a901172445 372 pc.printf("Packet not sent\r\n");
shekhar 0:e0a901172445 373 return 0;
shekhar 0:e0a901172445 374 }
shekhar 0:e0a901172445 375 }
shekhar 0:e0a901172445 376 int main()
shekhar 0:e0a901172445 377 {
shekhar 0:e0a901172445 378 FCTN_BCN_INIT();
shekhar 0:e0a901172445 379
shekhar 0:e0a901172445 380 loop.attach(&FCTN_BCN_TX_MAIN, 10.0);//in actual case its 30.0
shekhar 0:e0a901172445 381
shekhar 0:e0a901172445 382 while(1);
shekhar 0:e0a901172445 383
shekhar 0:e0a901172445 384 }