pradeep shekhar / Mbed 2 deprecated Beacon_BAE_intergration_test

General testings

Dependencies:   mbed

BCN.cpp@3:60598b6b5778, 2016-04-13 (annotated)

Committer:
shekhar
Date:
Wed Apr 13 13:04:48 2016 +0000
Revision:
3:60598b6b5778
Parent:
1:e4b70669ae61 
general testing;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shekhar 3:60598b6b5778 1 #include "BCN.h"
shekhar 3:60598b6b5778 2 #include <stdio.h>
shekhar 3:60598b6b5778 3 #include "pin_config.h"
shekhar 3:60598b6b5778 4
shekhar 3:60598b6b5778 5 Serial pc_bcn(USBTX, USBRX); //tx,rx
shekhar 3:60598b6b5778 6 SPI spi(PIN16, PIN17, PIN15); // mosi, miso, sclk
shekhar 3:60598b6b5778 7 DigitalOut cs(PIN6); //slave select or chip select
shekhar 3:60598b6b5778 8 Timer t;
shekhar 3:60598b6b5778 9 Timer t_i;
shekhar 3:60598b6b5778 10 Ticker loop;
shekhar 3:60598b6b5778 11
shekhar 3:60598b6b5778 12
shekhar 3:60598b6b5778 13 //GLOBAL VARIABLES
shekhar 3:60598b6b5778 14 uint8_t BCN_INIT_STATUS;
shekhar 3:60598b6b5778 15 uint8_t BCN_TX_MAIN_STATUS;
shekhar 3:60598b6b5778 16 uint8_t BCN_TX_STATUS;
shekhar 3:60598b6b5778 17 uint8_t BCN_TX_EN = 1; //hardcoding for now //check where is this variable toggled??
shekhar 3:60598b6b5778 18 uint8_t BCN_FEN = 1; //write this to non-erasable memory.
shekhar 3:60598b6b5778 19 uint8_t BCN_STANDBY = 0; //hardcoding for now //check where is this variable toggled??
shekhar 3:60598b6b5778 20 uint8_t BCN_TS_BUFFER; // For Temperature
shekhar 3:60598b6b5778 21
shekhar 3:60598b6b5778 22
shekhar 3:60598b6b5778 23 void P_BCN_INIT()
shekhar 3:60598b6b5778 24 {
shekhar 3:60598b6b5778 25 pc_bcn.printf("P_BCN_INIT\n");
shekhar 3:60598b6b5778 26 BCN_INIT_STATUS = 1;
shekhar 3:60598b6b5778 27 Init_BEACON_HW();
shekhar 3:60598b6b5778 28 if (BCN_FEN == 0)
shekhar 3:60598b6b5778 29 t.start();//Start the timer for RF_Silence
shekhar 3:60598b6b5778 30 BCN_INIT_STATUS = 0;
shekhar 3:60598b6b5778 31 }
shekhar 3:60598b6b5778 32 void P_BCN_FEN()
shekhar 3:60598b6b5778 33 {
shekhar 3:60598b6b5778 34 pc_bcn.printf("P_FEN\n");
shekhar 3:60598b6b5778 35 BCN_FEN = 1;//write this value to flash
shekhar 3:60598b6b5778 36 }
shekhar 3:60598b6b5778 37 void P_BCN_TX_MAIN()
shekhar 3:60598b6b5778 38 {
shekhar 3:60598b6b5778 39 pc_bcn.printf("P_BCN_TX_MAIN\n");
shekhar 3:60598b6b5778 40 BCN_TX_MAIN_STATUS = 1;
shekhar 3:60598b6b5778 41
shekhar 3:60598b6b5778 42 if(BCN_FEN == 1)
shekhar 3:60598b6b5778 43 {
shekhar 3:60598b6b5778 44 if(BCN_TX_EN == 1)
shekhar 3:60598b6b5778 45 {
shekhar 3:60598b6b5778 46 //Measure and store BCN temperature in BCN_TS_BUFFER
shekhar 3:60598b6b5778 47 BCN_TS_BUFFER = check_Temperature();
shekhar 3:60598b6b5778 48 pc_bcn.printf("\n\ntemperature = %d\n\n",BCN_TS_BUFFER);
shekhar 3:60598b6b5778 49 //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER
shekhar 3:60598b6b5778 50 if(BCN_STANDBY == 1 )
shekhar 3:60598b6b5778 51 {
shekhar 3:60598b6b5778 52 Set_BCN_TX_STATUS(BCN_TX_STANDBY);
shekhar 3:60598b6b5778 53 BCN_TX_MAIN_STATUS = 0;
shekhar 3:60598b6b5778 54
shekhar 3:60598b6b5778 55 // break;
shekhar 3:60598b6b5778 56 }
shekhar 3:60598b6b5778 57 else
shekhar 3:60598b6b5778 58 {
shekhar 3:60598b6b5778 59 //transmit short beacon and long beacon
shekhar 3:60598b6b5778 60 t_i.start();
shekhar 3:60598b6b5778 61 int begin = t_i.read_us();
shekhar 3:60598b6b5778 62 SHORT_BCN_TX();
shekhar 3:60598b6b5778 63 LONG_BCN_TX();
shekhar 3:60598b6b5778 64 t_i.stop();
shekhar 3:60598b6b5778 65 int end = t_i.read_us();
shekhar 3:60598b6b5778 66 pc_bcn.printf("The time required for short and long is %d seconds\r\n", end-begin);
shekhar 3:60598b6b5778 67
shekhar 3:60598b6b5778 68 if(Check_ACK_RECEIVED() == 1)
shekhar 3:60598b6b5778 69 {
shekhar 3:60598b6b5778 70 Set_BCN_TX_STATUS(BCN_TX_SUCCESS);
shekhar 3:60598b6b5778 71 BCN_TX_MAIN_STATUS = 0;
shekhar 3:60598b6b5778 72 }
shekhar 3:60598b6b5778 73 else
shekhar 3:60598b6b5778 74 {
shekhar 3:60598b6b5778 75 Set_BCN_TX_STATUS(BCN_TX_FAILURE);
shekhar 3:60598b6b5778 76 BCN_TX_MAIN_STATUS = 0;
shekhar 3:60598b6b5778 77
shekhar 3:60598b6b5778 78 }
shekhar 3:60598b6b5778 79 }
shekhar 3:60598b6b5778 80 }
shekhar 3:60598b6b5778 81 else
shekhar 3:60598b6b5778 82 {
shekhar 3:60598b6b5778 83 Set_BCN_TX_STATUS(BCN_TX_DISABLED);
shekhar 3:60598b6b5778 84 BCN_TX_MAIN_STATUS = 0;
shekhar 3:60598b6b5778 85 }
shekhar 3:60598b6b5778 86 }
shekhar 3:60598b6b5778 87 else
shekhar 3:60598b6b5778 88 {
shekhar 3:60598b6b5778 89 Set_BCN_TX_STATUS(BCN_RF_SILENCE); //Window of RF Silence: None of the Txs should be on.
shekhar 3:60598b6b5778 90 BCN_TX_MAIN_STATUS = 0;
shekhar 3:60598b6b5778 91 }
shekhar 3:60598b6b5778 92 }
shekhar 3:60598b6b5778 93
shekhar 3:60598b6b5778 94 void Set_BCN_TX_STATUS(uint8_t STATUS)
shekhar 3:60598b6b5778 95 {
shekhar 3:60598b6b5778 96 BCN_TX_STATUS = STATUS;
shekhar 3:60598b6b5778 97 }
shekhar 3:60598b6b5778 98
shekhar 3:60598b6b5778 99 uint8_t check_Temperature()
shekhar 3:60598b6b5778 100 {
shekhar 3:60598b6b5778 101 uint8_t temperature;
shekhar 3:60598b6b5778 102 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);
shekhar 3:60598b6b5778 103 writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20);
shekhar 3:60598b6b5778 104 wait(1);
shekhar 3:60598b6b5778 105 temperature = readreg(RF22_REG_11_ADC_Value);
shekhar 3:60598b6b5778 106 temperature = (float)temperature*0.5 - 64;
shekhar 3:60598b6b5778 107 return temperature;
shekhar 3:60598b6b5778 108 }
shekhar 3:60598b6b5778 109
shekhar 3:60598b6b5778 110 void SHORT_BCN_TX()
shekhar 3:60598b6b5778 111 {
shekhar 3:60598b6b5778 112 writereg(RF22_REG_6E_TX_DATA_RATE,0x01);
shekhar 3:60598b6b5778 113 writereg(RF22_REG_6F_TX_DATA_RATE,0x4F);//160bps
shekhar 3:60598b6b5778 114 writereg(RF22_REG_3E_PACKET_LENGTH,SHORT_TX_DATA); //short packet length
shekhar 3:60598b6b5778 115 /*
shekhar 3:60598b6b5778 116 init();
shekhar 3:60598b6b5778 117 //init complete
shekhar 3:60598b6b5778 118 pc_bcn.printf("init complete.....press t to send\n");
shekhar 3:60598b6b5778 119 while(pc_bcn.getc()=='t')
shekhar 3:60598b6b5778 120 { */
shekhar 3:60598b6b5778 121 //button.rise(&interrupt_func); //interrupt enabled ( rising edge of pin 9)
shekhar 3:60598b6b5778 122 wait(0.02); // pl. update this value or even avoid it!!!
shekhar 3:60598b6b5778 123 int i=0;
shekhar 3:60598b6b5778 124 //extract values from short_beacon[]
shekhar 3:60598b6b5778 125 struct Short_beacon
shekhar 3:60598b6b5778 126 {
shekhar 3:60598b6b5778 127 uint8_t Voltage[1];
shekhar 3:60598b6b5778 128 uint8_t AngularSpeed[2];
shekhar 3:60598b6b5778 129 uint8_t SubsystemStatus[1];
shekhar 3:60598b6b5778 130 uint8_t Temp[3];
shekhar 3:60598b6b5778 131 uint8_t ErrorFlag[1];
shekhar 3:60598b6b5778 132 }Shortbeacon = { {0x88}, {0x99, 0xAA} , {0xAA},{0xAA,0xDD,0xEE}, {0x00} };
shekhar 3:60598b6b5778 133
shekhar 3:60598b6b5778 134 //filling hk data
shekhar 3:60598b6b5778 135 //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 3:60598b6b5778 136 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 3:60598b6b5778 137
shekhar 3:60598b6b5778 138 //uint8_t short_beacon[15];
shekhar 3:60598b6b5778 139 // for(int i = 0;i<15;i++)
shekhar 3:60598b6b5778 140 // {
shekhar 3:60598b6b5778 141 // short_beacon[i] = 0xAA;
shekhar 3:60598b6b5778 142 // }
shekhar 3:60598b6b5778 143
shekhar 3:60598b6b5778 144 //writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode ??
shekhar 3:60598b6b5778 145 clearTxBuf();
shekhar 3:60598b6b5778 146 //writing data first time
shekhar 3:60598b6b5778 147 int byte = 0;
shekhar 3:60598b6b5778 148 cs = 0;
shekhar 3:60598b6b5778 149 spi.write(0xFF);
shekhar 3:60598b6b5778 150 pc_bcn.printf("line 151");
shekhar 3:60598b6b5778 151 for (int byte_counter = 0; byte_counter <15 ; byte_counter++)
shekhar 3:60598b6b5778 152 {
shekhar 3:60598b6b5778 153 for(int j = 3; j >= 0 ; j--)
shekhar 3:60598b6b5778 154 {
shekhar 3:60598b6b5778 155 if((short_beacon[byte_counter] & (uint8_t) pow(2.0,(j*2+1)))!= pow(2.0,(j*2+1)))
shekhar 3:60598b6b5778 156 {
shekhar 3:60598b6b5778 157 byte=0x00;
shekhar 3:60598b6b5778 158 }
shekhar 3:60598b6b5778 159 else
shekhar 3:60598b6b5778 160 {
shekhar 3:60598b6b5778 161 byte=0xF0;
shekhar 3:60598b6b5778 162 }
shekhar 3:60598b6b5778 163 if((short_beacon[byte_counter] & (uint8_t) pow(2.0,j*2))!= pow(2.0,j*2))
shekhar 3:60598b6b5778 164 {
shekhar 3:60598b6b5778 165 byte=byte | 0x00;
shekhar 3:60598b6b5778 166 }
shekhar 3:60598b6b5778 167 else
shekhar 3:60598b6b5778 168 {
shekhar 3:60598b6b5778 169 byte=byte | 0x0F;
shekhar 3:60598b6b5778 170 }
shekhar 3:60598b6b5778 171 spi.write(byte);
shekhar 3:60598b6b5778 172 }
shekhar 3:60598b6b5778 173 }
shekhar 3:60598b6b5778 174
shekhar 3:60598b6b5778 175 cs = 1;
shekhar 3:60598b6b5778 176 pc_bcn.printf("line 177\n");
shekhar 3:60598b6b5778 177 //Set to Tx mode
shekhar 3:60598b6b5778 178 writereg(RF22_REG_07_OPERATING_MODE1,0x09);
shekhar 3:60598b6b5778 179
shekhar 3:60598b6b5778 180 //Check for fifoThresh
shekhar 3:60598b6b5778 181 while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) != 0x20);
shekhar 3:60598b6b5778 182 //pc_bcn.printf("fifothresh1?\n");
shekhar 3:60598b6b5778 183 pc_bcn.printf("line 184\n");
shekhar 3:60598b6b5778 184 //rf22.waitPacketSent();
shekhar 3:60598b6b5778 185 while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) != 0x04);
shekhar 3:60598b6b5778 186 //pc_bcn.printf(" chk pkt sent!\r\n");
shekhar 3:60598b6b5778 187 pc_bcn.printf("Short packet sent\r\n");
shekhar 3:60598b6b5778 188
shekhar 3:60598b6b5778 189 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
shekhar 3:60598b6b5778 190
shekhar 3:60598b6b5778 191 }
shekhar 3:60598b6b5778 192 void LONG_BCN_TX()
shekhar 3:60598b6b5778 193 {
shekhar 3:60598b6b5778 194 writereg(RF22_REG_6E_TX_DATA_RATE,0x04);
shekhar 3:60598b6b5778 195 writereg(RF22_REG_6F_TX_DATA_RATE,0xEA);//600 bps
shekhar 3:60598b6b5778 196 writereg(RF22_REG_3E_PACKET_LENGTH,LONG_TX_DATA); //long packet length
shekhar 3:60598b6b5778 197 wait(0.02);
shekhar 3:60598b6b5778 198
shekhar 3:60598b6b5778 199
shekhar 3:60598b6b5778 200 //get long_beacon array
shekhar 3:60598b6b5778 201
shekhar 3:60598b6b5778 202 uint8_t Long_beacon[75];
shekhar 3:60598b6b5778 203 for(int i = 0;i<75;i++)
shekhar 3:60598b6b5778 204 {
shekhar 3:60598b6b5778 205 Long_beacon[i] = 0xA0;
shekhar 3:60598b6b5778 206 }
shekhar 3:60598b6b5778 207
shekhar 3:60598b6b5778 208
shekhar 3:60598b6b5778 209
shekhar 3:60598b6b5778 210
shekhar 3:60598b6b5778 211 //setModeIdle();
shekhar 3:60598b6b5778 212 writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode
shekhar 3:60598b6b5778 213 clearTxBuf();
shekhar 3:60598b6b5778 214 //writing data first time
shekhar 3:60598b6b5778 215 cs = 0;
shekhar 3:60598b6b5778 216 spi.write(0xFF);
shekhar 3:60598b6b5778 217 for(int i=0; i<60;i++)
shekhar 3:60598b6b5778 218 {
shekhar 3:60598b6b5778 219 spi.write(Long_beacon[i]);
shekhar 3:60598b6b5778 220 }
shekhar 3:60598b6b5778 221 cs = 1;
shekhar 3:60598b6b5778 222
shekhar 3:60598b6b5778 223 //Set to Tx mode
shekhar 3:60598b6b5778 224 writereg(RF22_REG_07_OPERATING_MODE1,0x09);
shekhar 3:60598b6b5778 225
shekhar 3:60598b6b5778 226 //Check for fifoThresh
shekhar 3:60598b6b5778 227 while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) != 0x20);
shekhar 3:60598b6b5778 228
shekhar 3:60598b6b5778 229 cs = 0;
shekhar 3:60598b6b5778 230 spi.write(0xFF);
shekhar 3:60598b6b5778 231 for(int i=60; i<75;i++)
shekhar 3:60598b6b5778 232 {
shekhar 3:60598b6b5778 233 spi.write(Long_beacon[i]);
shekhar 3:60598b6b5778 234 }
shekhar 3:60598b6b5778 235 cs = 1;
shekhar 3:60598b6b5778 236 wait(0.01);
shekhar 3:60598b6b5778 237 //Check for fifoThresh
shekhar 3:60598b6b5778 238 while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) != 0x20);
shekhar 3:60598b6b5778 239
shekhar 3:60598b6b5778 240 //Check for packetsent interrupt
shekhar 3:60598b6b5778 241 while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) != 0x04);
shekhar 3:60598b6b5778 242
shekhar 3:60598b6b5778 243 pc_bcn.printf("Long packet sent\r\n");
shekhar 3:60598b6b5778 244
shekhar 3:60598b6b5778 245 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
shekhar 3:60598b6b5778 246 }
shekhar 3:60598b6b5778 247 void reset_uC()
shekhar 3:60598b6b5778 248 {
shekhar 3:60598b6b5778 249 P_BCN_INIT();
shekhar 3:60598b6b5778 250 }
shekhar 3:60598b6b5778 251 void writereg(uint8_t reg,uint8_t val)
shekhar 3:60598b6b5778 252 {
shekhar 3:60598b6b5778 253 uint8_t count = 0;
shekhar 3:60598b6b5778 254 for(;;count++)
shekhar 3:60598b6b5778 255 {
shekhar 3:60598b6b5778 256 int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1;
shekhar 3:60598b6b5778 257 if(reg != 0x7 && reg != 0x58 && reg != 0xF)
shekhar 3:60598b6b5778 258 {
shekhar 3:60598b6b5778 259 read_val = readreg(reg);
shekhar 3:60598b6b5778 260 if (read_val == val)
shekhar 3:60598b6b5778 261 {
shekhar 3:60598b6b5778 262 break;
shekhar 3:60598b6b5778 263 }
shekhar 3:60598b6b5778 264 else if(count == 5)
shekhar 3:60598b6b5778 265 {
shekhar 3:60598b6b5778 266 reset_uC(), printf("reg = 0x%X\n",reg);break;
shekhar 3:60598b6b5778 267 }
shekhar 3:60598b6b5778 268 }
shekhar 3:60598b6b5778 269 else
shekhar 3:60598b6b5778 270 break;
shekhar 3:60598b6b5778 271 }
shekhar 3:60598b6b5778 272 }
shekhar 3:60598b6b5778 273 uint8_t readreg(uint8_t reg)
shekhar 3:60598b6b5778 274 {
shekhar 3:60598b6b5778 275 uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val;
shekhar 3:60598b6b5778 276 }
shekhar 3:60598b6b5778 277 void clearTxBuf()
shekhar 3:60598b6b5778 278 {
shekhar 3:60598b6b5778 279 writereg(RF22_REG_08_OPERATING_MODE2,0x01);
shekhar 3:60598b6b5778 280 writereg(RF22_REG_08_OPERATING_MODE2,0x00);
shekhar 3:60598b6b5778 281 }
shekhar 3:60598b6b5778 282 uint8_t setFrequency(double centre,float afcPullInRange)
shekhar 3:60598b6b5778 283 {
shekhar 3:60598b6b5778 284 uint8_t fbsel = 0x40;
shekhar 3:60598b6b5778 285 uint8_t afclimiter;
shekhar 3:60598b6b5778 286 if (centre >= 480.0) {
shekhar 3:60598b6b5778 287 centre /= 2;
shekhar 3:60598b6b5778 288 fbsel |= 0x20;
shekhar 3:60598b6b5778 289 afclimiter = afcPullInRange * 1000000.0 / 1250.0;
shekhar 3:60598b6b5778 290 } else {
shekhar 3:60598b6b5778 291 if (afcPullInRange < 0.0 || afcPullInRange > 0.159375)
shekhar 3:60598b6b5778 292 return false;
shekhar 3:60598b6b5778 293 afclimiter = afcPullInRange * 1000000.0 / 625.0;
shekhar 3:60598b6b5778 294 }
shekhar 3:60598b6b5778 295 centre /= 10.0;
shekhar 3:60598b6b5778 296 double integerPart = floor(centre);
shekhar 3:60598b6b5778 297 double fractionalPart = centre - integerPart;
shekhar 3:60598b6b5778 298
shekhar 3:60598b6b5778 299 uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23
shekhar 3:60598b6b5778 300 fbsel |= fb;
shekhar 3:60598b6b5778 301 uint16_t fc = fractionalPart * 64000;
shekhar 3:60598b6b5778 302 writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT
shekhar 3:60598b6b5778 303 writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0);
shekhar 3:60598b6b5778 304 writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel);
shekhar 3:60598b6b5778 305 writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8);
shekhar 3:60598b6b5778 306 writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff);
shekhar 3:60598b6b5778 307 writereg(RF22_REG_2A_AFC_LIMITER, afclimiter);
shekhar 3:60598b6b5778 308 return 0;
shekhar 3:60598b6b5778 309 }
shekhar 3:60598b6b5778 310
shekhar 3:60598b6b5778 311
shekhar 3:60598b6b5778 312 void Init_BEACON_HW()
shekhar 3:60598b6b5778 313 {
shekhar 3:60598b6b5778 314 cs=1; // chip must be deselected
shekhar 3:60598b6b5778 315 spi.format(8,0);
shekhar 3:60598b6b5778 316 spi.frequency(10000000); //10MHz SCLK
shekhar 3:60598b6b5778 317
shekhar 3:60598b6b5778 318 //should either have a flag for invalid SPI or discard this for actual case or add reset
shekhar 3:60598b6b5778 319 if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08)
shekhar 3:60598b6b5778 320 pc_bcn.printf("spi connection valid\r\n");
shekhar 3:60598b6b5778 321 else
shekhar 3:60598b6b5778 322 {pc_bcn.printf("error in spi connection\r\n");
shekhar 3:60598b6b5778 323 reset_uC();
shekhar 3:60598b6b5778 324 }
shekhar 3:60598b6b5778 325
shekhar 3:60598b6b5778 326 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
shekhar 3:60598b6b5778 327 wait(1); //takes time to reset
shekhar 3:60598b6b5778 328
shekhar 3:60598b6b5778 329 clearTxBuf();
shekhar 3:60598b6b5778 330
shekhar 3:60598b6b5778 331 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
shekhar 3:60598b6b5778 332
shekhar 3:60598b6b5778 333 //txfifoalmostempty
shekhar 3:60598b6b5778 334 writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30);
shekhar 3:60598b6b5778 335
shekhar 3:60598b6b5778 336 //Packet-engine registers
shekhar 3:60598b6b5778 337 writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00);
shekhar 3:60598b6b5778 338
shekhar 3:60598b6b5778 339 writereg(RF22_REG_33_HEADER_CONTROL2,0x08);
shekhar 3:60598b6b5778 340 writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00);
shekhar 3:60598b6b5778 341
shekhar 3:60598b6b5778 342 writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state
shekhar 3:60598b6b5778 343 writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state
shekhar 3:60598b6b5778 344
shekhar 3:60598b6b5778 345 setFrequency(435.0,05);
shekhar 3:60598b6b5778 346
shekhar 3:60598b6b5778 347 if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00)
shekhar 3:60598b6b5778 348 {
shekhar 3:60598b6b5778 349 //pc_bcn.printf("frequency not set properly\r\n");
shekhar 3:60598b6b5778 350 reset_uC();
shekhar 3:60598b6b5778 351 }
shekhar 3:60598b6b5778 352
shekhar 3:60598b6b5778 353 //set Modem Configuration
shekhar 3:60598b6b5778 354 writereg(RF22_REG_1C_IF_FILTER_BANDWIDTH,0xdf);
shekhar 3:60598b6b5778 355 writereg(RF22_REG_1F_CLOCK_RECOVERY_GEARSHIFT_OVERRIDE,0x03);
shekhar 3:60598b6b5778 356 writereg(RF22_REG_20_CLOCK_RECOVERY_OVERSAMPLING_RATE,0x39);
shekhar 3:60598b6b5778 357 writereg(RF22_REG_21_CLOCK_RECOVERY_OFFSET2,0x20);
shekhar 3:60598b6b5778 358 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 3:60598b6b5778 359 writereg(RF22_REG_23_CLOCK_RECOVERY_OFFSET0,0xdc);
shekhar 3:60598b6b5778 360 writereg(RF22_REG_24_CLOCK_RECOVERY_TIMING_LOOP_GAIN1,0x00);
shekhar 3:60598b6b5778 361 writereg(RF22_REG_25_CLOCK_RECOVERY_TIMING_LOOP_GAIN0,0x6B);
shekhar 3:60598b6b5778 362 writereg(RF22_REG_2C_OOK_COUNTER_VALUE_1,0x2C);
shekhar 3:60598b6b5778 363 writereg(RF22_REG_2D_OOK_COUNTER_VALUE_2,0x11); //not required for fsk (OOK counter value)
shekhar 3:60598b6b5778 364 writereg(RF22_REG_2E_SLICER_PEAK_HOLD,0x2A); //??
shekhar 3:60598b6b5778 365 writereg(RF22_REG_58,0x80);
shekhar 3:60598b6b5778 366 writereg(RF22_REG_69_AGC_OVERRIDE1,0x60);
shekhar 3:60598b6b5778 367
shekhar 3:60598b6b5778 368 //Data rate set later
shekhar 3:60598b6b5778 369
shekhar 3:60598b6b5778 370 writereg(RF22_REG_70_MODULATION_CONTROL1,0x20);
shekhar 3:60598b6b5778 371 writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//ook = 0x21
shekhar 3:60598b6b5778 372
shekhar 3:60598b6b5778 373 //set tx power
shekhar 3:60598b6b5778 374 writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm
shekhar 3:60598b6b5778 375
shekhar 3:60598b6b5778 376 //TX_packet_length written later
shekhar 3:60598b6b5778 377 }
shekhar 3:60598b6b5778 378 bool Check_ACK_RECEIVED()
shekhar 3:60598b6b5778 379 {
shekhar 3:60598b6b5778 380 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)
shekhar 3:60598b6b5778 381 {
shekhar 3:60598b6b5778 382 printf("Packet sent: ACK received\r\n");
shekhar 3:60598b6b5778 383 return 1;
shekhar 3:60598b6b5778 384 }
shekhar 3:60598b6b5778 385 else
shekhar 3:60598b6b5778 386 {
shekhar 3:60598b6b5778 387 pc_bcn.printf("Packet not sent\r\n");
shekhar 3:60598b6b5778 388 return 0;
shekhar 3:60598b6b5778 389 }
shekhar 3:60598b6b5778 390 }
shekhar 3:60598b6b5778 391 /*int main()
shekhar 3:60598b6b5778 392 {
shekhar 3:60598b6b5778 393 P_BCN_INIT();
shekhar 3:60598b6b5778 394
shekhar 3:60598b6b5778 395 loop.attach(&P_BCN_TX_MAIN, 10.0);
shekhar 3:60598b6b5778 396
shekhar 3:60598b6b5778 397 while(t.read() < RF_SILENCE_TIME);
shekhar 3:60598b6b5778 398
shekhar 3:60598b6b5778 399 P_BCN_FEN();
shekhar 3:60598b6b5778 400
shekhar 3:60598b6b5778 401 while(1);
shekhar 3:60598b6b5778 402
shekhar 3:60598b6b5778 403 }*/