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Dependencies:   FreescaleIAP mbed-rtos mbed

Fork of RAJANGAM_REVIEW_BAE_CODE by Team Fox

BCN.cpp@80:da657c390c27, 2016-12-10 (annotated)

Committer:
azaddevarm
Date:
Sat Dec 10 14:28:29 2016 +0000
Revision:
80:da657c390c27
Parent:
79:bc093fd525d7
Child:
82:9117fc24d09d
BCN_SW made consistent to be active high

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lakshya 20:949d13045431 1 #include "BCN.h"
lakshya 33:76f2b8735501 2 #include "EPS.h"
lakshya 20:949d13045431 3 #include <stdio.h>
lakshya 20:949d13045431 4 #include "pin_config.h"
lakshya 20:949d13045431 5 //Check the pin names
lakshya 27:61c856be467e 6 //Takes max 4 sec in void FCTN_BCN_TX_MAIN() (temp.calc. + long_beacon + short_beacon)
lakshya 20:949d13045431 7
lakshya 49:61c9f28332ba 8 Timer timer_Init_BEACON_HW;
lakshya 49:61c9f28332ba 9 Timer timer_Set_BCN_TX_STATUS_DISABLED;
lakshya 49:61c9f28332ba 10 Timer timer_Set_BCN_TX_STATUS_SUSPENDED;
lakshya 49:61c9f28332ba 11 Timer timer_Set_BCN_TX_STATUS_RF_SILENCE;
lakshya 49:61c9f28332ba 12 Timer timer_Set_BCN_TX_STATUS_SUCCESS;
lakshya 49:61c9f28332ba 13 Timer timer_Set_BCN_TX_STATUS_FAILURE;
lakshya 49:61c9f28332ba 14
lakshya 58:c4203e162d12 15 extern BAE_HK_actual actual_data;
azaddevarm 78:8ab8fb417a84 16
lakshya 66:a5d2b8dc6b9e 17 Serial pc_bcn(USBTX, USBRX); //tx,rx //see if it creates a problem
lakshya 47:d59ba66229ce 18 //SPI spi(D11, D12, D13); // mosi, miso, sclk
lakshya 47:d59ba66229ce 19 //DigitalOut cs(D10); //slave select or chip select
lakshya 47:d59ba66229ce 20 SPI spi(PIN16, PIN17, PIN15); // mosi, miso, sclk
lakshya 47:d59ba66229ce 21 DigitalOut cs(PIN6); //slave select or chip select
lakshya 20:949d13045431 22 Timer t_i;//timer for checking the time taken by (temp.calc. + long_beacon + short_beacon)
lakshya 20:949d13045431 23 //Timer t_is;//timer for short_beacon
lakshya 20:949d13045431 24 //Timer t_il;//timer for long_beacon
lakshya 20:949d13045431 25 Timeout rf_sl_timeout;//RF_silence timer
lakshya 20:949d13045431 26 Ticker loop;//for transmitting every 10 secs
lakshya 20:949d13045431 27
lakshya 20:949d13045431 28 //GLOBAL VARIABLES
lakshya 20:949d13045431 29 uint8_t BCN_INIT_STATUS = 0;
lakshya 20:949d13045431 30 uint8_t BCN_TX_MAIN_STATUS = 0;
azaddevarm 78:8ab8fb417a84 31 uint8_t BCN_TX_STATUS = BCN_RF_SILENCE;
azaddevarm 76:293693fb7949 32 //uint8_t BCN_TX_ENABLE = 1; //hardcoding for now //check where is this variable toggled??
lakshya 20:949d13045431 33 uint8_t BCN_TX_SW_STATUS = 1;
lakshya 20:949d13045431 34 uint8_t BCN_FEN = 0; //hardcoding for now //write this value to flash
lakshya 20:949d13045431 35 uint8_t BCN_SPND_TX = 0; //hardcoding for now //check where is this variable toggled??
lakshya 58:c4203e162d12 36 uint8_t BCN_TMP = 5; // For Temperature
lakshya 20:949d13045431 37 uint8_t ERROR_CHECK = 0;
lakshya 20:949d13045431 38 uint8_t BCN_FAIL_COUNT = 0; //Flag for keeping count of no. of times of BCN failure in init or one transmission in 30 secs (failure in spi communication)
lakshya 20:949d13045431 39 //This Flag when exceeds a threshold, uC should reset.
lakshya 20:949d13045431 40 uint16_t BCN_TX_MAIN_COUNTER = 0;
lakshya 33:76f2b8735501 41 uint8_t SHORT_HK_data[15];
lakshya 33:76f2b8735501 42 extern uint8_t BCN_LONG_MSG_TYPE;
lakshya 33:76f2b8735501 43 extern uint8_t LONG_HK_data[2][134];
lakshya 47:d59ba66229ce 44 extern DigitalOut BCN_SW;
lakshya 33:76f2b8735501 45 extern float EPS_BTRY_TMP_AVG;
lakshya 33:76f2b8735501 46
lakshya 33:76f2b8735501 47 extern BAE_HK_quant quant_data;
lakshya 33:76f2b8735501 48 extern uint8_t BAE_RESET_COUNTER;
lakshya 33:76f2b8735501 49 extern Timer BAE_uptime;
lakshya 33:76f2b8735501 50 extern Timer I2C_last;
lakshya 33:76f2b8735501 51 extern void RETURN_UPTIME(float,uint8_t*,uint8_t*,uint8_t*);
lakshya 47:d59ba66229ce 52 extern DigitalIn CDMS_OC_FAULT;
lakshya 47:d59ba66229ce 53 extern DigitalIn EPS_CHARGER_STATUS;
lakshya 33:76f2b8735501 54 extern uint8_t crc8_short();
lakshya 33:76f2b8735501 55
lakshya 58:c4203e162d12 56 extern uint8_t float_to_uint8(float min,float max,float val);
lakshya 58:c4203e162d12 57
lakshya 33:76f2b8735501 58 void SHORT_HK_data_AQ()
lakshya 33:76f2b8735501 59 {
lakshya 33:76f2b8735501 60 uint8_t days,hours,mins;//for calculating the timing data in bae i2c uptime
lakshya 33:76f2b8735501 61
lakshya 33:76f2b8735501 62 //1st 0-7 call sign
lakshya 33:76f2b8735501 63 //SHORT_HK_data[0] _ SHORT_HK_data[6]
lakshya 49:61c9f28332ba 64 SHORT_HK_data[0] = 0xF3;
lakshya 49:61c9f28332ba 65 SHORT_HK_data[1] = 0x02;
lakshya 49:61c9f28332ba 66 SHORT_HK_data[2] = 0xFA;
lakshya 49:61c9f28332ba 67 SHORT_HK_data[3] = 0xC6;
lakshya 49:61c9f28332ba 68 SHORT_HK_data[4] = 0xD4;
lakshya 49:61c9f28332ba 69 SHORT_HK_data[5] = 0x28;
lakshya 49:61c9f28332ba 70 SHORT_HK_data[6] = 0x8A;
lakshya 33:76f2b8735501 71
lakshya 33:76f2b8735501 72 SHORT_HK_data[7] = quant_data.voltage_quant[15];
lakshya 33:76f2b8735501 73 SHORT_HK_data[7] = (SHORT_HK_data[7] & 0xF0) | (quant_data.current_quant[1]>>4);
lakshya 58:c4203e162d12 74
lakshya 58:c4203e162d12 75 //taking only the most significant bits
lakshya 58:c4203e162d12 76 SHORT_HK_data[8] = actual_data.bit_data_acs_mg[0]>>8;
lakshya 33:76f2b8735501 77 SHORT_HK_data[8] = (SHORT_HK_data[8] & 0xF0) | BCN_TMP>>4;
lakshya 58:c4203e162d12 78 //SHORT_HK_data[9] = 0xFF;
lakshya 58:c4203e162d12 79 SHORT_HK_data[9] = float_to_uint8(-50,100,EPS_BTRY_TMP_AVG);
lakshya 33:76f2b8735501 80 SHORT_HK_data[9] = (SHORT_HK_data[9]&0xF0) | BAE_RESET_COUNTER>>4;
lakshya 33:76f2b8735501 81
lakshya 49:61c9f28332ba 82
lakshya 33:76f2b8735501 83 RETURN_UPTIME(BAE_uptime.read(),&days,&hours,&mins);
lakshya 33:76f2b8735501 84 SHORT_HK_data[10] = CDMS_OC_FAULT;
lakshya 58:c4203e162d12 85 SHORT_HK_data[10] = (SHORT_HK_data[10]<<1) | 0;//receiver_oc_fault//to be diss;
lakshya 66:a5d2b8dc6b9e 86 SHORT_HK_data[10] = (SHORT_HK_data[10]<<1) | ((quant_data.voltage_quant[5]>>2)&0x3C);
lakshya 33:76f2b8735501 87 SHORT_HK_data[10] = (SHORT_HK_data[10]<<2) | ((days>>3)&0x03);
lakshya 33:76f2b8735501 88 SHORT_HK_data[11] = (days<<5) | (hours&0x1F);
lakshya 33:76f2b8735501 89
lakshya 33:76f2b8735501 90 RETURN_UPTIME(I2C_last.read(),&days,&hours,&mins);
lakshya 33:76f2b8735501 91 SHORT_HK_data[12] = EPS_CHARGER_STATUS;
lakshya 66:a5d2b8dc6b9e 92 SHORT_HK_data[12] = (SHORT_HK_data[12]<<4) | (quant_data.voltage_quant[6]>>4);
lakshya 33:76f2b8735501 93 SHORT_HK_data[12] = (SHORT_HK_data[12]<<3) | (days>>2);
lakshya 33:76f2b8735501 94 SHORT_HK_data[13] = (days<<6) | (mins&0x3F);
lakshya 33:76f2b8735501 95
lakshya 33:76f2b8735501 96 SHORT_HK_data[14] = crc8_short();
lakshya 33:76f2b8735501 97 }
lakshya 20:949d13045431 98
lakshya 20:949d13045431 99 void FCTN_BCN_INIT()
lakshya 20:949d13045431 100 {
lakshya 20:949d13045431 101 pc_bcn.printf("FCTN_BCN_INIT\n");
lakshya 20:949d13045431 102 BCN_INIT_STATUS = 1;
lakshya 33:76f2b8735501 103 if( BCN_TX_SW_STATUS == 0b00000001)
lakshya 49:61c9f28332ba 104 {
lakshya 49:61c9f28332ba 105 timer_Init_BEACON_HW.reset();
lakshya 49:61c9f28332ba 106 timer_Init_BEACON_HW.start();
lakshya 49:61c9f28332ba 107 Init_BEACON_HW();
lakshya 49:61c9f28332ba 108 timer_Init_BEACON_HW.stop();
lakshya 49:61c9f28332ba 109 }
lakshya 49:61c9f28332ba 110 else
lakshya 49:61c9f28332ba 111 {
lakshya 49:61c9f28332ba 112 timer_Set_BCN_TX_STATUS_DISABLED.reset();
lakshya 49:61c9f28332ba 113 timer_Set_BCN_TX_STATUS_DISABLED.start();
azaddevarm 78:8ab8fb417a84 114 BCN_TX_STATUS = BCN_TX_DISABLED;
lakshya 49:61c9f28332ba 115 timer_Set_BCN_TX_STATUS_DISABLED.stop();
lakshya 49:61c9f28332ba 116 }
lakshya 33:76f2b8735501 117 // if(BCN_FEN == 0)//BCN_FEN is in flash
lakshya 33:76f2b8735501 118 // rf_sl_timeout.attach(&FCTN_BCN_FEN, RF_SILENCE_TIME);
lakshya 20:949d13045431 119 BCN_INIT_STATUS = 0;
lakshya 20:949d13045431 120 }
lakshya 20:949d13045431 121
lakshya 20:949d13045431 122 extern uint32_t FCTN_BAE_RD_FLASH_ENTITY(uint16_t);
lakshya 20:949d13045431 123 extern void FCTN_BAE_WR_FLASH(uint16_t ,uint32_t );
lakshya 20:949d13045431 124
lakshya 20:949d13045431 125 void FCTN_BCN_FEN(const void*)
lakshya 20:949d13045431 126 {
lakshya 20:949d13045431 127 pc_bcn.printf("FCTN_FEN\n\r");
lakshya 20:949d13045431 128 BCN_FEN = 1;//write this value to flash
lakshya 20:949d13045431 129 uint32_t FLASH_DATA;
lakshya 20:949d13045431 130 FLASH_DATA = FCTN_BAE_RD_FLASH_ENTITY(0);
lakshya 27:61c856be467e 131 FLASH_DATA = (FLASH_DATA | 0x00000800);//see if uint8 to uint32 conversion works
lakshya 20:949d13045431 132 FCTN_BAE_WR_FLASH(0,FLASH_DATA);
lakshya 20:949d13045431 133 }
lakshya 20:949d13045431 134 void FCTN_BCN_TX_MAIN()
lakshya 20:949d13045431 135 {
lakshya 20:949d13045431 136 ERROR_CHECK=0;
lakshya 20:949d13045431 137 pc_bcn.printf("\n\nFCTN_BCN_TX_MAIN\n\r");
lakshya 20:949d13045431 138 t_i.start();
lakshya 20:949d13045431 139 int begin = t_i.read_us();
lakshya 20:949d13045431 140 //int begins,beginl,endl;
lakshya 20:949d13045431 141 int begintx,endtx;
lakshya 74:2c82080db98b 142 BCN_TX_MAIN_STATUS = 1; // tranmission started
lakshya 20:949d13045431 143 BCN_TX_MAIN_COUNTER++;
lakshya 74:2c82080db98b 144 pc_bcn.printf("BCN_FEN = %d\n\r",BCN_FEN); //to be checked next time
lakshya 20:949d13045431 145 if(BCN_FEN == 1)
lakshya 20:949d13045431 146 {
lakshya 74:2c82080db98b 147 pc_bcn.printf("BCN_TX_SW_STATUS = %d\n\r",BCN_TX_SW_STATUS); // to be checked nxt time
lakshya 50:6001287f3045 148 //if(BCN_TX_SW_STATUS == 0b00000001)
lakshya 74:2c82080db98b 149 if(BCN_TX_SW_STATUS != 0b00000000) // why have we put it as !0== why not just ==01??
lakshya 20:949d13045431 150 {
lakshya 49:61c9f28332ba 151 timer_Init_BEACON_HW.reset();
lakshya 49:61c9f28332ba 152 timer_Init_BEACON_HW.start();
lakshya 33:76f2b8735501 153 Init_BEACON_HW();
lakshya 49:61c9f28332ba 154 timer_Init_BEACON_HW.stop();
lakshya 49:61c9f28332ba 155
lakshya 33:76f2b8735501 156 if( BCN_TX_STATUS == BCN_INIT_SUCCESS )
lakshya 20:949d13045431 157 {
lakshya 74:2c82080db98b 158 pc_bcn.printf("\n\r trying to trmntng");
lakshya 74:2c82080db98b 159
lakshya 33:76f2b8735501 160 //Measure and store BCN temperature in BCN_TS_BUFFER
lakshya 33:76f2b8735501 161 uint8_t temp_temp = check_Temperature();
lakshya 33:76f2b8735501 162 if( temp_temp != 0xFF )
lakshya 33:76f2b8735501 163 BCN_TMP = temp_temp;
lakshya 74:2c82080db98b 164
lakshya 74:2c82080db98b 165 pc_bcn.printf("\n\rthe BCN_TMP is %d\n",temp_temp);
lakshya 33:76f2b8735501 166 pc_bcn.printf("temperature = %d\n\r",BCN_TMP);
lakshya 74:2c82080db98b 167
lakshya 33:76f2b8735501 168 //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER
lakshya 66:a5d2b8dc6b9e 169 pc_bcn.printf("BCN_SPND_TX = %d\n\r",BCN_SPND_TX);
lakshya 74:2c82080db98b 170 if(BCN_SPND_TX == 1)
lakshya 33:76f2b8735501 171 {
lakshya 49:61c9f28332ba 172 timer_Set_BCN_TX_STATUS_SUSPENDED.reset();
lakshya 49:61c9f28332ba 173 timer_Set_BCN_TX_STATUS_SUSPENDED.start();
azaddevarm 78:8ab8fb417a84 174 BCN_TX_STATUS = BCN_TX_SUSPENDED;
lakshya 33:76f2b8735501 175 BCN_TX_MAIN_STATUS = 0;
lakshya 49:61c9f28332ba 176 timer_Set_BCN_TX_STATUS_SUSPENDED.stop();
lakshya 33:76f2b8735501 177 }
lakshya 33:76f2b8735501 178 else
lakshya 33:76f2b8735501 179 {
lakshya 20:949d13045431 180 //transmit short beacon and long beacon
lakshya 20:949d13045431 181 begintx = t_i.read_us();
lakshya 20:949d13045431 182 BCN_TX();
lakshya 20:949d13045431 183 endtx = t_i.read_us();
lakshya 33:76f2b8735501 184
lakshya 20:949d13045431 185 if(Check_ACK_RECEIVED() == 1)
lakshya 20:949d13045431 186 {
azaddevarm 78:8ab8fb417a84 187 BCN_TX_STATUS = BCN_TX_SUCCESS;
lakshya 20:949d13045431 188 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 189 }
lakshya 20:949d13045431 190 else
lakshya 20:949d13045431 191 {
azaddevarm 78:8ab8fb417a84 192 BCN_TX_STATUS = BCN_TX_FAILURE;
lakshya 33:76f2b8735501 193 //BCN_FAIL_COUNT++;
lakshya 33:76f2b8735501 194 //Init_BEACON_HW();
lakshya 20:949d13045431 195 BCN_TX_MAIN_STATUS = 0;
lakshya 33:76f2b8735501 196
lakshya 20:949d13045431 197 }
lakshya 33:76f2b8735501 198 }
lakshya 33:76f2b8735501 199 }
lakshya 20:949d13045431 200 }
lakshya 20:949d13045431 201 else
lakshya 20:949d13045431 202 {
azaddevarm 78:8ab8fb417a84 203 BCN_TX_STATUS = BCN_TX_DISABLED;
lakshya 20:949d13045431 204 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 205 }
lakshya 20:949d13045431 206 }
lakshya 20:949d13045431 207 else
lakshya 20:949d13045431 208 {
lakshya 49:61c9f28332ba 209 timer_Set_BCN_TX_STATUS_RF_SILENCE.reset();
lakshya 49:61c9f28332ba 210 timer_Set_BCN_TX_STATUS_RF_SILENCE.start();
azaddevarm 78:8ab8fb417a84 211 BCN_TX_STATUS = BCN_RF_SILENCE; //Window of RF Silence: None of the Txs should be on.
lakshya 20:949d13045431 212 BCN_TX_MAIN_STATUS = 0;
lakshya 49:61c9f28332ba 213 timer_Set_BCN_TX_STATUS_RF_SILENCE.stop();
lakshya 20:949d13045431 214 }
lakshya 20:949d13045431 215 t_i.stop();
lakshya 20:949d13045431 216 int end = t_i.read_us();
lakshya 20:949d13045431 217 pc_bcn.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin);
lakshya 20:949d13045431 218 pc_bcn.printf("The time required for FCTN_BCN_TX is %d useconds\r\n", endtx-begintx);
lakshya 20:949d13045431 219 /*
lakshya 20:949d13045431 220 pc_bcn.printf("The time required for Short_BCN is %d useconds\r\n", beginl-begins);
lakshya 20:949d13045431 221 pc_bcn.printf("The time required for Long_BCN is %d useconds\r\n", endtx-beginl);
lakshya 20:949d13045431 222 */
lakshya 20:949d13045431 223 ERROR_CHECK = 0;
lakshya 51:661dc022613a 224 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 225 }
lakshya 20:949d13045431 226
lakshya 20:949d13045431 227 void Set_BCN_TX_STATUS(uint8_t STATUS)
lakshya 20:949d13045431 228 {
lakshya 20:949d13045431 229 BCN_TX_STATUS = STATUS;
lakshya 20:949d13045431 230 }
lakshya 20:949d13045431 231
lakshya 20:949d13045431 232 uint8_t check_Temperature()
lakshya 20:949d13045431 233 {
lakshya 20:949d13045431 234 uint8_t temperature;
lakshya 20:949d13045431 235 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00);//set ADC to temp measurement
lakshya 58:c4203e162d12 236 writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20);//measure in degree celsius
lakshya 20:949d13045431 237 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);//start adc
lakshya 20:949d13045431 238 wait(0.1);
lakshya 58:c4203e162d12 239 //if( readreg(RF22_REG_0F_ADC_CONFIGURATION) & 0x80 == 0x80 )
lakshya 33:76f2b8735501 240 {
lakshya 33:76f2b8735501 241 temperature = readreg(RF22_REG_11_ADC_Value);
lakshya 66:a5d2b8dc6b9e 242 temperature = (float)temperature*0.5 - 64; //* 0.5 factor // to be checked
lakshya 33:76f2b8735501 243 }
lakshya 58:c4203e162d12 244 //else temperature = 0xFF;
lakshya 33:76f2b8735501 245 // temperature = (float)temperature*0.5 - 64;
lakshya 58:c4203e162d12 246 printf("\n\rthe vLKUE OF TEMPO %d",temperature);
lakshya 20:949d13045431 247 return temperature;
lakshya 20:949d13045431 248 }
lakshya 33:76f2b8735501 249
lakshya 33:76f2b8735501 250 uint32_t timeout_count;
lakshya 74:2c82080db98b 251 void BCN_TX() // main function for transmitting
lakshya 20:949d13045431 252 {
lakshya 49:61c9f28332ba 253 pc_bcn.printf("BCN_TX\n\r");
lakshya 20:949d13045431 254 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 20:949d13045431 255 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 20:949d13045431 256
lakshya 20:949d13045431 257 wait(0.02);
lakshya 20:949d13045431 258
lakshya 33:76f2b8735501 259 timeout_count = 10e5;
lakshya 20:949d13045431 260 //extract values from short_beacon[]
lakshya 33:76f2b8735501 261 /*
lakshya 20:949d13045431 262 uint8_t Long_beacon[LONG_TX_DATA];
lakshya 20:949d13045431 263 for(int i = 0;i<LONG_TX_DATA;i++)
lakshya 20:949d13045431 264 {
lakshya 20:949d13045431 265 Long_beacon[i] = 0xFF;
lakshya 20:949d13045431 266 }
lakshya 20:949d13045431 267
lakshya 20:949d13045431 268 struct Short_beacon
lakshya 20:949d13045431 269 {
lakshya 20:949d13045431 270 uint8_t Voltage[1];
lakshya 20:949d13045431 271 uint8_t AngularSpeed[2];
lakshya 20:949d13045431 272 uint8_t SubsystemStatus[1];
lakshya 20:949d13045431 273 uint8_t Temp[3];
lakshya 20:949d13045431 274 uint8_t ErrorFlag[1];
lakshya 20:949d13045431 275 }Shortbeacon = { {0xFF}, {0xFF, 0xFF} , {0xFF},{0xFF,0xFF,0xFF}, {0xFF} };
lakshya 20:949d13045431 276
lakshya 20:949d13045431 277 //filling hk data
lakshya 20:949d13045431 278 //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]};
lakshya 20:949d13045431 279 uint8_t short_beacon[] = { 0xF3, 0x02, 0xFA, 0xC6, 0xD4, 0x28, 0x8A,Shortbeacon.Voltage[0],Shortbeacon.AngularSpeed[0], Shortbeacon.AngularSpeed[1],Shortbeacon.SubsystemStatus[0],Shortbeacon.Temp[0],Shortbeacon.Temp[1],Shortbeacon.Temp[2],Shortbeacon.ErrorFlag[0]};
lakshya 20:949d13045431 280
lakshya 20:949d13045431 281 //writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode ??
lakshya 33:76f2b8735501 282 */
lakshya 20:949d13045431 283 clearTxBuf(); //writing data first time
lakshya 20:949d13045431 284
lakshya 33:76f2b8735501 285 int byte_counter;
lakshya 20:949d13045431 286 uint8_t onebyte[4] = {0x81,0xA6,0xBE,0x4E};
lakshya 20:949d13045431 287 uint8_t zerobyte[4] = {0x7E,0x59,0x41,0xB1};
lakshya 74:2c82080db98b 288 for (byte_counter = 0; byte_counter <15 ; byte_counter++) // include condition in the foor loop itself
lakshya 20:949d13045431 289 {
lakshya 73:d2bca4d2cc64 290 if(BCN_SPND_TX == 1) continue; //changed
lakshya 74:2c82080db98b 291 for(int j = 7; j >= 0; j--)
lakshya 20:949d13045431 292 {
lakshya 73:d2bca4d2cc64 293 if(BCN_SPND_TX == 1) continue; //changed
lakshya 20:949d13045431 294 cs = 0;
lakshya 20:949d13045431 295 spi.write(0xFF);
lakshya 33:76f2b8735501 296 if((SHORT_HK_data[byte_counter] & (uint8_t) pow(2.0,j))!= pow(2.0,j))
lakshya 20:949d13045431 297 {
lakshya 20:949d13045431 298 //byte=0x00;
lakshya 20:949d13045431 299 spi.write(zerobyte[0]);
lakshya 20:949d13045431 300 spi.write(zerobyte[1]);
lakshya 20:949d13045431 301 spi.write(zerobyte[2]);
lakshya 20:949d13045431 302 spi.write(zerobyte[3]);
lakshya 20:949d13045431 303 }
lakshya 20:949d13045431 304 else
lakshya 20:949d13045431 305 {
lakshya 20:949d13045431 306 //byte=0xFF;
lakshya 20:949d13045431 307 spi.write(onebyte[0]);
lakshya 20:949d13045431 308 spi.write(onebyte[1]);
lakshya 20:949d13045431 309 spi.write(onebyte[2]);
lakshya 20:949d13045431 310 spi.write(onebyte[3]);
lakshya 20:949d13045431 311 }
lakshya 20:949d13045431 312 cs = 1;
lakshya 20:949d13045431 313 /*
lakshya 20:949d13045431 314 spi.write(byte);
lakshya 20:949d13045431 315 spi.write(byte);
lakshya 20:949d13045431 316 spi.write(byte);
lakshya 20:949d13045431 317 spi.write(byte); //Each bit is written 32 times
lakshya 20:949d13045431 318 */
lakshya 33:76f2b8735501 319 // byte_count+=4;
lakshya 20:949d13045431 320
lakshya 20:949d13045431 321 }
lakshya 20:949d13045431 322
lakshya 20:949d13045431 323 if(byte_counter == 1)
lakshya 33:76f2b8735501 324 if(BCN_SPND_TX != 1) //Check for flag update by COM
lakshya 33:76f2b8735501 325 {
lakshya 33:76f2b8735501 326 //Set to Tx mode
lakshya 33:76f2b8735501 327 writereg(RF22_REG_07_OPERATING_MODE1,0x08); //txon
lakshya 33:76f2b8735501 328 wait(0.1);// takes time to set to tx mode hence the delay of 0.1.
lakshya 33:76f2b8735501 329 }
lakshya 33:76f2b8735501 330
lakshya 20:949d13045431 331 //testing level
lakshya 20:949d13045431 332 /*if(byte_counter > 0)
lakshya 20:949d13045431 333 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 334 {
lakshya 20:949d13045431 335 pc_bcn.printf("w_f_empty1\n\r");
lakshya 20:949d13045431 336 //reset_rfm(1);
lakshya 20:949d13045431 337 }*/
lakshya 20:949d13045431 338
lakshya 20:949d13045431 339
lakshya 20:949d13045431 340 //Check for fifoThresh
lakshya 20:949d13045431 341
lakshya 20:949d13045431 342 if(byte_counter > 0)
lakshya 73:d2bca4d2cc64 343 if(BCN_SPND_TX != 1) //Check for flag update by COM
lakshya 20:949d13045431 344 {
lakshya 33:76f2b8735501 345 wait_ms(25);
lakshya 33:76f2b8735501 346 while( timeout_count --)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 74:2c82080db98b 347 { //loop corresponds to ??
lakshya 73:d2bca4d2cc64 348 wait_ms(25);
lakshya 73:d2bca4d2cc64 349 while( timeout_count --)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 73:d2bca4d2cc64 350 {
lakshya 73:d2bca4d2cc64 351 //pc_bcn.printf("w_f_empty\n");
lakshya 73:d2bca4d2cc64 352 //reset_rfm(1);
lakshya 73:d2bca4d2cc64 353 }
lakshya 73:d2bca4d2cc64 354 timeout_count = 10e5;
lakshya 73:d2bca4d2cc64 355
lakshya 33:76f2b8735501 356 //pc_bcn.printf("w_f_empty\n");
lakshya 33:76f2b8735501 357 //reset_rfm(1);
lakshya 33:76f2b8735501 358 }
lakshya 33:76f2b8735501 359 timeout_count = 10e5;
lakshya 20:949d13045431 360 }
lakshya 20:949d13045431 361
lakshya 20:949d13045431 362 /* if(byte_counter%2==0 && byte_counter)
lakshya 20:949d13045431 363 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 364 {
lakshya 20:949d13045431 365 pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 366 }*/
lakshya 20:949d13045431 367 //pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 368 }
lakshya 20:949d13045431 369
lakshya 74:2c82080db98b 370 for(byte_counter = 15;byte_counter<149;byte_counter++) // include it in the loop itself
lakshya 20:949d13045431 371 {
lakshya 73:d2bca4d2cc64 372 if(BCN_SPND_TX == 1) continue;
lakshya 20:949d13045431 373 cs = 0;
lakshya 20:949d13045431 374 spi.write(0xFF);
lakshya 33:76f2b8735501 375 spi.write(LONG_HK_data[BCN_LONG_MSG_TYPE][byte_counter-15]);
lakshya 20:949d13045431 376 cs = 1;
lakshya 20:949d13045431 377
lakshya 20:949d13045431 378 if((byte_counter-15)%32==0)
lakshya 20:949d13045431 379 { //Check for fifoThresh
lakshya 20:949d13045431 380 wait_ms(25);
lakshya 33:76f2b8735501 381 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 382 {
lakshya 20:949d13045431 383 //pc_bcn.printf("Reset\n");
lakshya 20:949d13045431 384 //reset_rfm(1);
lakshya 20:949d13045431 385 }
lakshya 20:949d13045431 386 }
lakshya 20:949d13045431 387
lakshya 20:949d13045431 388 }
lakshya 20:949d13045431 389 wait_ms(70);
lakshya 20:949d13045431 390 //Check for fifoThresh
lakshya 73:d2bca4d2cc64 391 while(timeout_count--)
lakshya 73:d2bca4d2cc64 392 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00) break;
lakshya 73:d2bca4d2cc64 393 else if(timeout_count == 1)
lakshya 73:d2bca4d2cc64 394 if(BCN_SPND_TX != 1) reset_rfm(1);
lakshya 73:d2bca4d2cc64 395
lakshya 33:76f2b8735501 396 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 397 {
lakshya 20:949d13045431 398 pc_bcn.printf("Waiting for fifo to empty\r\n");
lakshya 20:949d13045431 399 }
lakshya 20:949d13045431 400
lakshya 20:949d13045431 401 //Check for packetsent interrupt
lakshya 73:d2bca4d2cc64 402 while(timeout_count--)
lakshya 73:d2bca4d2cc64 403 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04) break;
lakshya 73:d2bca4d2cc64 404 else if(timeout_count == 1)
lakshya 73:d2bca4d2cc64 405 if(BCN_SPND_TX != 1) reset_rfm(1);
lakshya 73:d2bca4d2cc64 406
lakshya 20:949d13045431 407 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 408
lakshya 20:949d13045431 409 //pc_bcn.printf("Short packet sent, bytes written = %d\r\n",byte_count);
lakshya 20:949d13045431 410
lakshya 20:949d13045431 411 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 412
lakshya 20:949d13045431 413 }
lakshya 20:949d13045431 414 #if 0
lakshya 20:949d13045431 415 void LONG_BCN_TX()
lakshya 20:949d13045431 416 {
lakshya 20:949d13045431 417 /*
lakshya 20:949d13045431 418 writereg(RF22_REG_6E_TX_DATA_RATE,0x04);
lakshya 20:949d13045431 419 writereg(RF22_REG_6F_TX_DATA_RATE,0xEA);//600 bps
lakshya 20:949d13045431 420 */
lakshya 20:949d13045431 421 writereg(RF22_REG_3E_PACKET_LENGTH,LONG_TX_DATA); //long packet length
lakshya 20:949d13045431 422 wait(0.02);
lakshya 20:949d13045431 423 uint32_t timeout_count=10e5;
lakshya 20:949d13045431 424
lakshya 20:949d13045431 425 //get long_beacon array
lakshya 20:949d13045431 426
lakshya 20:949d13045431 427 uint8_t Long_beacon[LONG_TX_DATA];
lakshya 20:949d13045431 428 for(int i = 0;i<LONG_TX_DATA;i++)
lakshya 20:949d13045431 429 {
lakshya 20:949d13045431 430 Long_beacon[i] = 0xFF;
lakshya 20:949d13045431 431 }
lakshya 20:949d13045431 432
lakshya 20:949d13045431 433 clearTxBuf();
lakshya 20:949d13045431 434 //writing data first time
lakshya 20:949d13045431 435 cs = 0;
lakshya 20:949d13045431 436 spi.write(0xFF);
lakshya 20:949d13045431 437 for(int i=0; i<64;i++)
lakshya 20:949d13045431 438 {
lakshya 20:949d13045431 439 spi.write(Long_beacon[i]);
lakshya 20:949d13045431 440 }
lakshya 20:949d13045431 441 cs = 1;
lakshya 20:949d13045431 442
lakshya 20:949d13045431 443 //Set to Tx mode
lakshya 20:949d13045431 444 writereg(RF22_REG_07_OPERATING_MODE1,0x08);
lakshya 20:949d13045431 445 wait(0.1);//necessary
lakshya 20:949d13045431 446
lakshya 20:949d13045431 447 //Check for fifoThresh
lakshya 20:949d13045431 448 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1)
lakshya 20:949d13045431 449 {
lakshya 74:2c82080db98b 450 pc_bcn.printf("Rst T1);
lakshya 74:2c82080db98b 451 reset_rfm(1); // if it reaches countdown
lakshya 20:949d13045431 452 }
lakshya 20:949d13045431 453 timeout_count=10e5;
lakshya 20:949d13045431 454
lakshya 20:949d13045431 455 cs = 0;
lakshya 20:949d13045431 456 spi.write(0xFF);
lakshya 20:949d13045431 457 for(int i=64; i<127;i++)
lakshya 20:949d13045431 458 {
lakshya 20:949d13045431 459 spi.write(Long_beacon[i]);
lakshya 20:949d13045431 460 }
lakshya 20:949d13045431 461 cs = 1;
lakshya 20:949d13045431 462 wait(0.1);
lakshya 20:949d13045431 463 //Check for fifoThresh
lakshya 20:949d13045431 464 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1)
lakshya 20:949d13045431 465 {
lakshya 74:2c82080db98b 466 pc_bcn.printf("Rst T2);
lakshya 20:949d13045431 467 reset_rfm(1);}
lakshya 20:949d13045431 468 timeout_count=10e5;
lakshya 20:949d13045431 469
lakshya 20:949d13045431 470 //Check for packetsent interrupt
lakshya 20:949d13045431 471 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 472
lakshya 20:949d13045431 473 //pc_bcn.printf("Long packet sent\r\n");
lakshya 20:949d13045431 474
lakshya 20:949d13045431 475 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 476 }
lakshya 20:949d13045431 477 #endif
lakshya 20:949d13045431 478 void reset_rfm(uint8_t fl)
lakshya 20:949d13045431 479 {
lakshya 20:949d13045431 480 if (fl ==1 && ERROR_CHECK ==0)
lakshya 20:949d13045431 481 { BCN_FAIL_COUNT++;
lakshya 20:949d13045431 482 ERROR_CHECK=1;
lakshya 74:2c82080db98b 483 pc_bcn.printf("BCN_FAIL_COUNT+++\n");
lakshya 20:949d13045431 484 }
lakshya 20:949d13045431 485 else if(fl == 0)
lakshya 20:949d13045431 486 {
lakshya 20:949d13045431 487 BCN_FAIL_COUNT = 0;
lakshya 20:949d13045431 488 ERROR_CHECK=0;
lakshya 20:949d13045431 489 }
lakshya 20:949d13045431 490 }
lakshya 20:949d13045431 491 void writereg(uint8_t reg,uint8_t val)
lakshya 20:949d13045431 492 {
lakshya 20:949d13045431 493
lakshya 20:949d13045431 494 uint8_t count = 0;
lakshya 20:949d13045431 495 for(;;count++)
lakshya 20:949d13045431 496 {
lakshya 20:949d13045431 497 int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1;
lakshya 20:949d13045431 498 if(reg != 0x7 && reg != 0x58 && reg != 0xF)
lakshya 20:949d13045431 499 {
lakshya 20:949d13045431 500 read_val = readreg(reg);
lakshya 20:949d13045431 501 if (read_val == val)
lakshya 20:949d13045431 502 {
lakshya 20:949d13045431 503 break;
lakshya 20:949d13045431 504 }
lakshya 33:76f2b8735501 505 else if(count == 2)
lakshya 20:949d13045431 506 {
lakshya 49:61c9f28332ba 507 reset_rfm(1); pc_bcn.printf("reg = 0x%X\n",reg);break;
lakshya 20:949d13045431 508 }
lakshya 20:949d13045431 509 else init_spi();
lakshya 20:949d13045431 510 }
lakshya 20:949d13045431 511 else
lakshya 20:949d13045431 512 break;
lakshya 20:949d13045431 513 }
lakshya 20:949d13045431 514 }
lakshya 20:949d13045431 515 uint8_t readreg(uint8_t reg)
lakshya 20:949d13045431 516 {
lakshya 20:949d13045431 517 uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val;
lakshya 20:949d13045431 518 }
lakshya 20:949d13045431 519 void clearTxBuf()
lakshya 20:949d13045431 520 {
lakshya 20:949d13045431 521 writereg(RF22_REG_08_OPERATING_MODE2,0x01);
lakshya 20:949d13045431 522 writereg(RF22_REG_08_OPERATING_MODE2,0x00);
lakshya 20:949d13045431 523 }
lakshya 20:949d13045431 524 uint8_t setFrequency(double centre)
lakshya 20:949d13045431 525 {
lakshya 20:949d13045431 526 uint8_t fbsel = 0x40;
lakshya 20:949d13045431 527 if (centre >= 480.0) {
lakshya 20:949d13045431 528 centre /= 2;
lakshya 20:949d13045431 529 fbsel |= 0x20;
lakshya 20:949d13045431 530 }
lakshya 20:949d13045431 531 centre /= 10.0;
lakshya 20:949d13045431 532 double integerPart = floor(centre);
lakshya 20:949d13045431 533 double fractionalPart = centre - integerPart;
lakshya 20:949d13045431 534
lakshya 20:949d13045431 535 uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23
lakshya 20:949d13045431 536 fbsel |= fb;
lakshya 20:949d13045431 537 uint16_t fc = fractionalPart * 64000;
lakshya 20:949d13045431 538 writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT
lakshya 20:949d13045431 539 writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0);
lakshya 20:949d13045431 540 writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel);
lakshya 20:949d13045431 541 writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8);
lakshya 20:949d13045431 542 writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff);
lakshya 20:949d13045431 543 return 0;
lakshya 20:949d13045431 544 }
lakshya 20:949d13045431 545 void init_spi()
lakshya 20:949d13045431 546 {
lakshya 20:949d13045431 547 cs=1; // chip must be deselected
lakshya 20:949d13045431 548 wait(0.1);
lakshya 20:949d13045431 549 spi.format(8,0);
lakshya 20:949d13045431 550 spi.frequency(10000000); //10MHz SCLK
lakshya 20:949d13045431 551 }
lakshya 20:949d13045431 552 void Init_BEACON_HW()
lakshya 20:949d13045431 553 {
lakshya 49:61c9f28332ba 554 pc_bcn.printf("Init HW\n\r");
lakshya 20:949d13045431 555 ERROR_CHECK=0;
lakshya 20:949d13045431 556 wait(0.1);
lakshya 20:949d13045431 557 int BCN_INIT_COUNTER = 1;
lakshya 20:949d13045431 558 while(BCN_INIT_COUNTER)
lakshya 20:949d13045431 559 {
lakshya 20:949d13045431 560 init_spi();
lakshya 49:61c9f28332ba 561 pc_bcn.printf("init spi\r\n");
lakshya 20:949d13045431 562 //should either have a flag for invalid SPI or discard this for actual case or add reset
lakshya 20:949d13045431 563 if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08)
lakshya 20:949d13045431 564 {
lakshya 20:949d13045431 565 pc_bcn.printf("spi connection valid\r\n");
lakshya 20:949d13045431 566 reset_rfm(0);
lakshya 49:61c9f28332ba 567
lakshya 49:61c9f28332ba 568 timer_Set_BCN_TX_STATUS_SUCCESS.reset();
lakshya 49:61c9f28332ba 569 timer_Set_BCN_TX_STATUS_SUCCESS.start();
azaddevarm 78:8ab8fb417a84 570 BCN_TX_STATUS = BCN_INIT_SUCCESS;
lakshya 49:61c9f28332ba 571 timer_Set_BCN_TX_STATUS_SUCCESS.stop();
lakshya 49:61c9f28332ba 572
lakshya 20:949d13045431 573 break;
lakshya 20:949d13045431 574 }
lakshya 20:949d13045431 575 else if (BCN_INIT_COUNTER == 1)
lakshya 20:949d13045431 576 {
lakshya 20:949d13045431 577 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 578 reset_rfm(1);
lakshya 20:949d13045431 579 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 580 wait(0.1); //takes time to reset
lakshya 20:949d13045431 581 }
lakshya 20:949d13045431 582 else if (BCN_INIT_COUNTER == 2)
lakshya 20:949d13045431 583 {
lakshya 20:949d13045431 584 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 585 reset_rfm(1);
lakshya 20:949d13045431 586 BCN_TX_SW_STATUS = 0b00000011; //Device disabled
lakshya 20:949d13045431 587 //reset BCN HW using switch here
lakshya 20:949d13045431 588 }
lakshya 20:949d13045431 589 else
lakshya 20:949d13045431 590 {
lakshya 20:949d13045431 591 pc_bcn.printf("BCN_TX_FAILURE\r\n");
lakshya 49:61c9f28332ba 592
lakshya 49:61c9f28332ba 593 timer_Set_BCN_TX_STATUS_FAILURE.reset();
lakshya 49:61c9f28332ba 594 timer_Set_BCN_TX_STATUS_FAILURE.start();
azaddevarm 78:8ab8fb417a84 595 BCN_TX_STATUS = BCN_INIT_FAILURE;
lakshya 49:61c9f28332ba 596 timer_Set_BCN_TX_STATUS_FAILURE.stop();
lakshya 49:61c9f28332ba 597
lakshya 20:949d13045431 598 break;
lakshya 20:949d13045431 599 }
lakshya 20:949d13045431 600 BCN_INIT_COUNTER++;
lakshya 20:949d13045431 601 }
lakshya 20:949d13045431 602
lakshya 33:76f2b8735501 603 if(BCN_TX_STATUS == BCN_INIT_SUCCESS)
lakshya 20:949d13045431 604 {
lakshya 20:949d13045431 605 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 606 wait(0.1); //takes time to reset
lakshya 20:949d13045431 607
lakshya 20:949d13045431 608 clearTxBuf();
lakshya 20:949d13045431 609
lakshya 20:949d13045431 610 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 611
lakshya 20:949d13045431 612 //txfifoalmostempty
lakshya 20:949d13045431 613 writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30);
lakshya 20:949d13045431 614
lakshya 20:949d13045431 615 //txfifoalmostfull
lakshya 20:949d13045431 616 writereg(RF22_REG_7C_TX_FIFO_CONTROL1,50);
lakshya 20:949d13045431 617
lakshya 20:949d13045431 618
lakshya 20:949d13045431 619 //Packet-engine registers
lakshya 20:949d13045431 620 writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00);
lakshya 20:949d13045431 621
lakshya 20:949d13045431 622 writereg(RF22_REG_33_HEADER_CONTROL2,0x08);
lakshya 20:949d13045431 623 writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00);
lakshya 20:949d13045431 624
lakshya 20:949d13045431 625 writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state
lakshya 20:949d13045431 626 writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state
lakshya 20:949d13045431 627
lakshya 20:949d13045431 628 setFrequency(435.0);
lakshya 20:949d13045431 629
lakshya 20:949d13045431 630 int i=3;
lakshya 20:949d13045431 631 while(i--)
lakshya 20:949d13045431 632 if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00)
lakshya 20:949d13045431 633 {
lakshya 20:949d13045431 634 setFrequency(435.0);
lakshya 20:949d13045431 635 if (i==1)
lakshya 20:949d13045431 636 {pc_bcn.printf("frequency not set properly\r\n");
lakshya 20:949d13045431 637 reset_rfm(1);
lakshya 20:949d13045431 638 }
lakshya 20:949d13045431 639 }
lakshya 20:949d13045431 640
lakshya 20:949d13045431 641 //set Modem Configuration
lakshya 20:949d13045431 642 writereg(RF22_REG_58,0x80);
lakshya 20:949d13045431 643
lakshya 20:949d13045431 644 //Set Data rate - same for both long and short beacon
lakshya 20:949d13045431 645
lakshya 20:949d13045431 646 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 33:76f2b8735501 647 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 33:76f2b8735501 648 writereg(RF22_REG_70_MODULATION_CONTROL1,0x20);//For data rates below 30kbps
lakshya 20:949d13045431 649
lakshya 20:949d13045431 650
lakshya 33:76f2b8735501 651 writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//0x21 = FIFO mode with ook demodulation
lakshya 33:76f2b8735501 652
lakshya 20:949d13045431 653
lakshya 20:949d13045431 654 //set tx power
lakshya 20:949d13045431 655 writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm
lakshya 20:949d13045431 656
lakshya 20:949d13045431 657 //TX_packet_length written later
lakshya 20:949d13045431 658 ERROR_CHECK = 0;
lakshya 49:61c9f28332ba 659 pc_bcn.printf("Done Init HW\n\r");
lakshya 20:949d13045431 660 }
lakshya 20:949d13045431 661 }
lakshya 20:949d13045431 662 bool Check_ACK_RECEIVED()
lakshya 20:949d13045431 663 {
lakshya 20:949d13045431 664 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)
lakshya 20:949d13045431 665 {
lakshya 49:61c9f28332ba 666 pc_bcn.printf("Packet sent: ACK received\r\n");
lakshya 20:949d13045431 667 return 1;
lakshya 20:949d13045431 668 }
lakshya 20:949d13045431 669 else
lakshya 20:949d13045431 670 {
lakshya 20:949d13045431 671 pc_bcn.printf("Packet not sent\r\n");
lakshya 20:949d13045431 672 return 0;
lakshya 20:949d13045431 673 }
lakshya 20:949d13045431 674 }
azaddevarm 79:bc093fd525d7 675
azaddevarm 79:bc093fd525d7 676 // to write in flash function moved to TCTM
lakshya 33:76f2b8735501 677 void FCTN_BCN_SPND_TX()
lakshya 33:76f2b8735501 678 {
lakshya 50:6001287f3045 679 printf("BCN_SPND\n\r");
lakshya 33:76f2b8735501 680 BCN_SPND_TX = 1;
lakshya 33:76f2b8735501 681 if( BCN_TX_MAIN_STATUS == 1 && BCN_TX_SW_STATUS == 1 )
lakshya 33:76f2b8735501 682 {
lakshya 33:76f2b8735501 683 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 33:76f2b8735501 684 if( readreg(RF22_REG_07_OPERATING_MODE1) & 0x08 == 0x08 )
lakshya 33:76f2b8735501 685 {
azaddevarm 80:da657c390c27 686 BCN_SW = 0; //active low
lakshya 33:76f2b8735501 687 BCN_TX_SW_STATUS = 3;
lakshya 33:76f2b8735501 688 }
lakshya 33:76f2b8735501 689 }
lakshya 33:76f2b8735501 690 }
azaddevarm 79:bc093fd525d7 691
azaddevarm 79:bc093fd525d7 692 /*
azaddevarm 79:bc093fd525d7 693 int main()
azaddevarm 79:bc093fd525d7 694 {
azaddevarm 79:bc093fd525d7 695 FCTN_BCN_INIT();
azaddevarm 79:bc093fd525d7 696
azaddevarm 79:bc093fd525d7 697 loop.attach(&FCTN_BCN_TX_MAIN, 10.0);//in actual case its 30.0
azaddevarm 79:bc093fd525d7 698
azaddevarm 79:bc093fd525d7 699 while(1);
azaddevarm 79:bc093fd525d7 700
azaddevarm 79:bc093fd525d7 701 }
azaddevarm 79:bc093fd525d7 702 */