Team Fox / Mbed 2 deprecated TR_EXCITATION_TEST

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Dependencies:   FreescaleIAP mbed-rtos mbed

Fork of BAE_CODE_MARCH_2017 by Team Fox

BCN.cpp@74:2c82080db98b, 2016-12-10 (annotated)

Committer:
lakshya
Date:
Sat Dec 10 09:57:10 2016 +0000
Revision:
74:2c82080db98b
Parent:
73:d2bca4d2cc64
Child:
76:293693fb7949
10 dec editing QM; current bae code

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;
lakshya 49:61c9f28332ba 16
lakshya 73:d2bca4d2cc64 17 //DigitalOut bcn_sw(PIN14,0);
lakshya 66:a5d2b8dc6b9e 18 Serial pc_bcn(USBTX, USBRX); //tx,rx //see if it creates a problem
lakshya 47:d59ba66229ce 19 //SPI spi(D11, D12, D13); // mosi, miso, sclk
lakshya 47:d59ba66229ce 20 //DigitalOut cs(D10); //slave select or chip select
lakshya 47:d59ba66229ce 21 SPI spi(PIN16, PIN17, PIN15); // mosi, miso, sclk
lakshya 47:d59ba66229ce 22 DigitalOut cs(PIN6); //slave select or chip select
lakshya 20:949d13045431 23 Timer t_i;//timer for checking the time taken by (temp.calc. + long_beacon + short_beacon)
lakshya 20:949d13045431 24 //Timer t_is;//timer for short_beacon
lakshya 20:949d13045431 25 //Timer t_il;//timer for long_beacon
lakshya 20:949d13045431 26 Timeout rf_sl_timeout;//RF_silence timer
lakshya 20:949d13045431 27 Ticker loop;//for transmitting every 10 secs
lakshya 20:949d13045431 28
lakshya 20:949d13045431 29 //GLOBAL VARIABLES
lakshya 20:949d13045431 30 uint8_t BCN_INIT_STATUS = 0;
lakshya 20:949d13045431 31 uint8_t BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 32 uint8_t BCN_TX_STATUS = 0;
lakshya 20:949d13045431 33 uint8_t BCN_TX_ENABLE = 1; //hardcoding for now //check where is this variable toggled??
lakshya 20:949d13045431 34 uint8_t BCN_TX_SW_STATUS = 1;
lakshya 20:949d13045431 35 uint8_t BCN_FEN = 0; //hardcoding for now //write this value to flash
lakshya 20:949d13045431 36 uint8_t BCN_SPND_TX = 0; //hardcoding for now //check where is this variable toggled??
lakshya 58:c4203e162d12 37 uint8_t BCN_TMP = 5; // For Temperature
lakshya 20:949d13045431 38 uint8_t ERROR_CHECK = 0;
lakshya 20:949d13045431 39 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 40 //This Flag when exceeds a threshold, uC should reset.
lakshya 20:949d13045431 41 uint16_t BCN_TX_MAIN_COUNTER = 0;
lakshya 33:76f2b8735501 42 uint8_t SHORT_HK_data[15];
lakshya 33:76f2b8735501 43 extern uint8_t BCN_LONG_MSG_TYPE;
lakshya 33:76f2b8735501 44 extern uint8_t LONG_HK_data[2][134];
lakshya 47:d59ba66229ce 45 extern DigitalOut BCN_SW;
lakshya 33:76f2b8735501 46 extern float EPS_BTRY_TMP_AVG;
lakshya 33:76f2b8735501 47
lakshya 33:76f2b8735501 48 extern BAE_HK_quant quant_data;
lakshya 33:76f2b8735501 49 extern uint8_t BAE_RESET_COUNTER;
lakshya 33:76f2b8735501 50 extern Timer BAE_uptime;
lakshya 33:76f2b8735501 51 extern Timer I2C_last;
lakshya 33:76f2b8735501 52 extern void RETURN_UPTIME(float,uint8_t*,uint8_t*,uint8_t*);
lakshya 47:d59ba66229ce 53 extern DigitalIn CDMS_OC_FAULT;
lakshya 47:d59ba66229ce 54 extern DigitalIn EPS_CHARGER_STATUS;
lakshya 33:76f2b8735501 55 extern uint8_t crc8_short();
lakshya 33:76f2b8735501 56
lakshya 58:c4203e162d12 57 extern uint8_t float_to_uint8(float min,float max,float val);
lakshya 58:c4203e162d12 58
lakshya 33:76f2b8735501 59 void SHORT_HK_data_AQ()
lakshya 33:76f2b8735501 60 {
lakshya 33:76f2b8735501 61 uint8_t days,hours,mins;//for calculating the timing data in bae i2c uptime
lakshya 33:76f2b8735501 62
lakshya 33:76f2b8735501 63 //1st 0-7 call sign
lakshya 33:76f2b8735501 64 //SHORT_HK_data[0] _ SHORT_HK_data[6]
lakshya 49:61c9f28332ba 65 SHORT_HK_data[0] = 0xF3;
lakshya 49:61c9f28332ba 66 SHORT_HK_data[1] = 0x02;
lakshya 49:61c9f28332ba 67 SHORT_HK_data[2] = 0xFA;
lakshya 49:61c9f28332ba 68 SHORT_HK_data[3] = 0xC6;
lakshya 49:61c9f28332ba 69 SHORT_HK_data[4] = 0xD4;
lakshya 49:61c9f28332ba 70 SHORT_HK_data[5] = 0x28;
lakshya 49:61c9f28332ba 71 SHORT_HK_data[6] = 0x8A;
lakshya 33:76f2b8735501 72
lakshya 33:76f2b8735501 73 SHORT_HK_data[7] = quant_data.voltage_quant[15];
lakshya 33:76f2b8735501 74 SHORT_HK_data[7] = (SHORT_HK_data[7] & 0xF0) | (quant_data.current_quant[1]>>4);
lakshya 58:c4203e162d12 75
lakshya 58:c4203e162d12 76 //taking only the most significant bits
lakshya 58:c4203e162d12 77 SHORT_HK_data[8] = actual_data.bit_data_acs_mg[0]>>8;
lakshya 33:76f2b8735501 78 SHORT_HK_data[8] = (SHORT_HK_data[8] & 0xF0) | BCN_TMP>>4;
lakshya 58:c4203e162d12 79 //SHORT_HK_data[9] = 0xFF;
lakshya 58:c4203e162d12 80 SHORT_HK_data[9] = float_to_uint8(-50,100,EPS_BTRY_TMP_AVG);
lakshya 33:76f2b8735501 81 SHORT_HK_data[9] = (SHORT_HK_data[9]&0xF0) | BAE_RESET_COUNTER>>4;
lakshya 33:76f2b8735501 82
lakshya 49:61c9f28332ba 83
lakshya 33:76f2b8735501 84 RETURN_UPTIME(BAE_uptime.read(),&days,&hours,&mins);
lakshya 33:76f2b8735501 85 SHORT_HK_data[10] = CDMS_OC_FAULT;
lakshya 58:c4203e162d12 86 SHORT_HK_data[10] = (SHORT_HK_data[10]<<1) | 0;//receiver_oc_fault//to be diss;
lakshya 66:a5d2b8dc6b9e 87 SHORT_HK_data[10] = (SHORT_HK_data[10]<<1) | ((quant_data.voltage_quant[5]>>2)&0x3C);
lakshya 33:76f2b8735501 88 SHORT_HK_data[10] = (SHORT_HK_data[10]<<2) | ((days>>3)&0x03);
lakshya 33:76f2b8735501 89 SHORT_HK_data[11] = (days<<5) | (hours&0x1F);
lakshya 33:76f2b8735501 90
lakshya 33:76f2b8735501 91 RETURN_UPTIME(I2C_last.read(),&days,&hours,&mins);
lakshya 33:76f2b8735501 92 SHORT_HK_data[12] = EPS_CHARGER_STATUS;
lakshya 66:a5d2b8dc6b9e 93 SHORT_HK_data[12] = (SHORT_HK_data[12]<<4) | (quant_data.voltage_quant[6]>>4);
lakshya 33:76f2b8735501 94 SHORT_HK_data[12] = (SHORT_HK_data[12]<<3) | (days>>2);
lakshya 33:76f2b8735501 95 SHORT_HK_data[13] = (days<<6) | (mins&0x3F);
lakshya 33:76f2b8735501 96
lakshya 33:76f2b8735501 97 SHORT_HK_data[14] = crc8_short();
lakshya 33:76f2b8735501 98 }
lakshya 20:949d13045431 99
lakshya 20:949d13045431 100 void FCTN_BCN_INIT()
lakshya 20:949d13045431 101 {
lakshya 20:949d13045431 102 pc_bcn.printf("FCTN_BCN_INIT\n");
lakshya 20:949d13045431 103 BCN_INIT_STATUS = 1;
lakshya 33:76f2b8735501 104 if( BCN_TX_SW_STATUS == 0b00000001)
lakshya 49:61c9f28332ba 105 {
lakshya 49:61c9f28332ba 106 timer_Init_BEACON_HW.reset();
lakshya 49:61c9f28332ba 107 timer_Init_BEACON_HW.start();
lakshya 49:61c9f28332ba 108 Init_BEACON_HW();
lakshya 49:61c9f28332ba 109 timer_Init_BEACON_HW.stop();
lakshya 49:61c9f28332ba 110 }
lakshya 49:61c9f28332ba 111 else
lakshya 49:61c9f28332ba 112 {
lakshya 49:61c9f28332ba 113 timer_Set_BCN_TX_STATUS_DISABLED.reset();
lakshya 49:61c9f28332ba 114 timer_Set_BCN_TX_STATUS_DISABLED.start();
lakshya 49:61c9f28332ba 115 Set_BCN_TX_STATUS(BCN_TX_DISABLED);
lakshya 49:61c9f28332ba 116 timer_Set_BCN_TX_STATUS_DISABLED.stop();
lakshya 49:61c9f28332ba 117 }
lakshya 33:76f2b8735501 118 // if(BCN_FEN == 0)//BCN_FEN is in flash
lakshya 33:76f2b8735501 119 // rf_sl_timeout.attach(&FCTN_BCN_FEN, RF_SILENCE_TIME);
lakshya 20:949d13045431 120 BCN_INIT_STATUS = 0;
lakshya 20:949d13045431 121 }
lakshya 20:949d13045431 122
lakshya 20:949d13045431 123 extern uint32_t FCTN_BAE_RD_FLASH_ENTITY(uint16_t);
lakshya 20:949d13045431 124 extern void FCTN_BAE_WR_FLASH(uint16_t ,uint32_t );
lakshya 20:949d13045431 125
lakshya 20:949d13045431 126 void FCTN_BCN_FEN(const void*)
lakshya 20:949d13045431 127 {
lakshya 20:949d13045431 128 pc_bcn.printf("FCTN_FEN\n\r");
lakshya 20:949d13045431 129 BCN_FEN = 1;//write this value to flash
lakshya 20:949d13045431 130 uint32_t FLASH_DATA;
lakshya 20:949d13045431 131 FLASH_DATA = FCTN_BAE_RD_FLASH_ENTITY(0);
lakshya 27:61c856be467e 132 FLASH_DATA = (FLASH_DATA | 0x00000800);//see if uint8 to uint32 conversion works
lakshya 20:949d13045431 133 FCTN_BAE_WR_FLASH(0,FLASH_DATA);
lakshya 20:949d13045431 134 }
lakshya 20:949d13045431 135 void FCTN_BCN_TX_MAIN()
lakshya 20:949d13045431 136 {
lakshya 20:949d13045431 137 ERROR_CHECK=0;
lakshya 20:949d13045431 138 pc_bcn.printf("\n\nFCTN_BCN_TX_MAIN\n\r");
lakshya 20:949d13045431 139 t_i.start();
lakshya 20:949d13045431 140 int begin = t_i.read_us();
lakshya 20:949d13045431 141 //int begins,beginl,endl;
lakshya 20:949d13045431 142 int begintx,endtx;
lakshya 74:2c82080db98b 143 BCN_TX_MAIN_STATUS = 1; // tranmission started
lakshya 20:949d13045431 144 BCN_TX_MAIN_COUNTER++;
lakshya 74:2c82080db98b 145 pc_bcn.printf("BCN_FEN = %d\n\r",BCN_FEN); //to be checked next time
lakshya 20:949d13045431 146 if(BCN_FEN == 1)
lakshya 20:949d13045431 147 {
lakshya 74:2c82080db98b 148 pc_bcn.printf("BCN_TX_SW_STATUS = %d\n\r",BCN_TX_SW_STATUS); // to be checked nxt time
lakshya 50:6001287f3045 149 //if(BCN_TX_SW_STATUS == 0b00000001)
lakshya 74:2c82080db98b 150 if(BCN_TX_SW_STATUS != 0b00000000) // why have we put it as !0== why not just ==01??
lakshya 20:949d13045431 151 {
lakshya 49:61c9f28332ba 152 timer_Init_BEACON_HW.reset();
lakshya 49:61c9f28332ba 153 timer_Init_BEACON_HW.start();
lakshya 33:76f2b8735501 154 Init_BEACON_HW();
lakshya 49:61c9f28332ba 155 timer_Init_BEACON_HW.stop();
lakshya 49:61c9f28332ba 156
lakshya 33:76f2b8735501 157 if( BCN_TX_STATUS == BCN_INIT_SUCCESS )
lakshya 20:949d13045431 158 {
lakshya 74:2c82080db98b 159 pc_bcn.printf("\n\r trying to trmntng");
lakshya 74:2c82080db98b 160
lakshya 33:76f2b8735501 161 //Measure and store BCN temperature in BCN_TS_BUFFER
lakshya 33:76f2b8735501 162 uint8_t temp_temp = check_Temperature();
lakshya 33:76f2b8735501 163 if( temp_temp != 0xFF )
lakshya 33:76f2b8735501 164 BCN_TMP = temp_temp;
lakshya 74:2c82080db98b 165
lakshya 74:2c82080db98b 166 pc_bcn.printf("\n\rthe BCN_TMP is %d\n",temp_temp);
lakshya 33:76f2b8735501 167 pc_bcn.printf("temperature = %d\n\r",BCN_TMP);
lakshya 74:2c82080db98b 168
lakshya 33:76f2b8735501 169 //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER
lakshya 66:a5d2b8dc6b9e 170 pc_bcn.printf("BCN_SPND_TX = %d\n\r",BCN_SPND_TX);
lakshya 74:2c82080db98b 171 if(BCN_SPND_TX == 1)
lakshya 33:76f2b8735501 172 {
lakshya 49:61c9f28332ba 173 timer_Set_BCN_TX_STATUS_SUSPENDED.reset();
lakshya 49:61c9f28332ba 174 timer_Set_BCN_TX_STATUS_SUSPENDED.start();
lakshya 33:76f2b8735501 175 Set_BCN_TX_STATUS(BCN_TX_SUSPENDED);
lakshya 33:76f2b8735501 176 BCN_TX_MAIN_STATUS = 0;
lakshya 49:61c9f28332ba 177 timer_Set_BCN_TX_STATUS_SUSPENDED.stop();
lakshya 33:76f2b8735501 178 }
lakshya 33:76f2b8735501 179 else
lakshya 33:76f2b8735501 180 {
lakshya 20:949d13045431 181 //transmit short beacon and long beacon
lakshya 20:949d13045431 182 begintx = t_i.read_us();
lakshya 20:949d13045431 183 BCN_TX();
lakshya 20:949d13045431 184 endtx = t_i.read_us();
lakshya 33:76f2b8735501 185
lakshya 20:949d13045431 186 if(Check_ACK_RECEIVED() == 1)
lakshya 20:949d13045431 187 {
lakshya 20:949d13045431 188 Set_BCN_TX_STATUS(BCN_TX_SUCCESS);
lakshya 20:949d13045431 189 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 190 }
lakshya 20:949d13045431 191 else
lakshya 20:949d13045431 192 {
lakshya 33:76f2b8735501 193 Set_BCN_TX_STATUS(BCN_TX_FAILURE);
lakshya 33:76f2b8735501 194 //BCN_FAIL_COUNT++;
lakshya 33:76f2b8735501 195 //Init_BEACON_HW();
lakshya 20:949d13045431 196 BCN_TX_MAIN_STATUS = 0;
lakshya 33:76f2b8735501 197
lakshya 20:949d13045431 198 }
lakshya 33:76f2b8735501 199 }
lakshya 33:76f2b8735501 200 }
lakshya 20:949d13045431 201 }
lakshya 20:949d13045431 202 else
lakshya 20:949d13045431 203 {
lakshya 20:949d13045431 204 Set_BCN_TX_STATUS(BCN_TX_DISABLED);
lakshya 20:949d13045431 205 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 206 }
lakshya 20:949d13045431 207 }
lakshya 20:949d13045431 208 else
lakshya 20:949d13045431 209 {
lakshya 49:61c9f28332ba 210 timer_Set_BCN_TX_STATUS_RF_SILENCE.reset();
lakshya 49:61c9f28332ba 211 timer_Set_BCN_TX_STATUS_RF_SILENCE.start();
lakshya 20:949d13045431 212 Set_BCN_TX_STATUS(BCN_RF_SILENCE); //Window of RF Silence: None of the Txs should be on.
lakshya 20:949d13045431 213 BCN_TX_MAIN_STATUS = 0;
lakshya 49:61c9f28332ba 214 timer_Set_BCN_TX_STATUS_RF_SILENCE.stop();
lakshya 20:949d13045431 215 }
lakshya 20:949d13045431 216 t_i.stop();
lakshya 20:949d13045431 217 int end = t_i.read_us();
lakshya 20:949d13045431 218 pc_bcn.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin);
lakshya 20:949d13045431 219 pc_bcn.printf("The time required for FCTN_BCN_TX is %d useconds\r\n", endtx-begintx);
lakshya 20:949d13045431 220 /*
lakshya 20:949d13045431 221 pc_bcn.printf("The time required for Short_BCN is %d useconds\r\n", beginl-begins);
lakshya 20:949d13045431 222 pc_bcn.printf("The time required for Long_BCN is %d useconds\r\n", endtx-beginl);
lakshya 20:949d13045431 223 */
lakshya 20:949d13045431 224 ERROR_CHECK = 0;
lakshya 51:661dc022613a 225 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 226 }
lakshya 20:949d13045431 227
lakshya 20:949d13045431 228 void Set_BCN_TX_STATUS(uint8_t STATUS)
lakshya 20:949d13045431 229 {
lakshya 20:949d13045431 230 BCN_TX_STATUS = STATUS;
lakshya 20:949d13045431 231 }
lakshya 20:949d13045431 232
lakshya 20:949d13045431 233 uint8_t check_Temperature()
lakshya 20:949d13045431 234 {
lakshya 20:949d13045431 235 uint8_t temperature;
lakshya 20:949d13045431 236 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00);//set ADC to temp measurement
lakshya 58:c4203e162d12 237 writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20);//measure in degree celsius
lakshya 20:949d13045431 238 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);//start adc
lakshya 20:949d13045431 239 wait(0.1);
lakshya 58:c4203e162d12 240 //if( readreg(RF22_REG_0F_ADC_CONFIGURATION) & 0x80 == 0x80 )
lakshya 33:76f2b8735501 241 {
lakshya 33:76f2b8735501 242 temperature = readreg(RF22_REG_11_ADC_Value);
lakshya 66:a5d2b8dc6b9e 243 temperature = (float)temperature*0.5 - 64; //* 0.5 factor // to be checked
lakshya 33:76f2b8735501 244 }
lakshya 58:c4203e162d12 245 //else temperature = 0xFF;
lakshya 33:76f2b8735501 246 // temperature = (float)temperature*0.5 - 64;
lakshya 58:c4203e162d12 247 printf("\n\rthe vLKUE OF TEMPO %d",temperature);
lakshya 20:949d13045431 248 return temperature;
lakshya 20:949d13045431 249 }
lakshya 33:76f2b8735501 250
lakshya 33:76f2b8735501 251 uint32_t timeout_count;
lakshya 74:2c82080db98b 252 void BCN_TX() // main function for transmitting
lakshya 20:949d13045431 253 {
lakshya 49:61c9f28332ba 254 pc_bcn.printf("BCN_TX\n\r");
lakshya 20:949d13045431 255 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 20:949d13045431 256 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 20:949d13045431 257
lakshya 20:949d13045431 258 wait(0.02);
lakshya 20:949d13045431 259
lakshya 33:76f2b8735501 260 timeout_count = 10e5;
lakshya 20:949d13045431 261 //extract values from short_beacon[]
lakshya 33:76f2b8735501 262 /*
lakshya 20:949d13045431 263 uint8_t Long_beacon[LONG_TX_DATA];
lakshya 20:949d13045431 264 for(int i = 0;i<LONG_TX_DATA;i++)
lakshya 20:949d13045431 265 {
lakshya 20:949d13045431 266 Long_beacon[i] = 0xFF;
lakshya 20:949d13045431 267 }
lakshya 20:949d13045431 268
lakshya 20:949d13045431 269 struct Short_beacon
lakshya 20:949d13045431 270 {
lakshya 20:949d13045431 271 uint8_t Voltage[1];
lakshya 20:949d13045431 272 uint8_t AngularSpeed[2];
lakshya 20:949d13045431 273 uint8_t SubsystemStatus[1];
lakshya 20:949d13045431 274 uint8_t Temp[3];
lakshya 20:949d13045431 275 uint8_t ErrorFlag[1];
lakshya 20:949d13045431 276 }Shortbeacon = { {0xFF}, {0xFF, 0xFF} , {0xFF},{0xFF,0xFF,0xFF}, {0xFF} };
lakshya 20:949d13045431 277
lakshya 20:949d13045431 278 //filling hk data
lakshya 20:949d13045431 279 //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 280 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 281
lakshya 20:949d13045431 282 //writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode ??
lakshya 33:76f2b8735501 283 */
lakshya 20:949d13045431 284 clearTxBuf(); //writing data first time
lakshya 20:949d13045431 285
lakshya 33:76f2b8735501 286 int byte_counter;
lakshya 20:949d13045431 287 uint8_t onebyte[4] = {0x81,0xA6,0xBE,0x4E};
lakshya 20:949d13045431 288 uint8_t zerobyte[4] = {0x7E,0x59,0x41,0xB1};
lakshya 74:2c82080db98b 289 for (byte_counter = 0; byte_counter <15 ; byte_counter++) // include condition in the foor loop itself
lakshya 20:949d13045431 290 {
lakshya 73:d2bca4d2cc64 291 if(BCN_SPND_TX == 1) continue; //changed
lakshya 74:2c82080db98b 292 for(int j = 7; j >= 0; j--)
lakshya 20:949d13045431 293 {
lakshya 73:d2bca4d2cc64 294 if(BCN_SPND_TX == 1) continue; //changed
lakshya 20:949d13045431 295 cs = 0;
lakshya 20:949d13045431 296 spi.write(0xFF);
lakshya 33:76f2b8735501 297 if((SHORT_HK_data[byte_counter] & (uint8_t) pow(2.0,j))!= pow(2.0,j))
lakshya 20:949d13045431 298 {
lakshya 20:949d13045431 299 //byte=0x00;
lakshya 20:949d13045431 300 spi.write(zerobyte[0]);
lakshya 20:949d13045431 301 spi.write(zerobyte[1]);
lakshya 20:949d13045431 302 spi.write(zerobyte[2]);
lakshya 20:949d13045431 303 spi.write(zerobyte[3]);
lakshya 20:949d13045431 304 }
lakshya 20:949d13045431 305 else
lakshya 20:949d13045431 306 {
lakshya 20:949d13045431 307 //byte=0xFF;
lakshya 20:949d13045431 308 spi.write(onebyte[0]);
lakshya 20:949d13045431 309 spi.write(onebyte[1]);
lakshya 20:949d13045431 310 spi.write(onebyte[2]);
lakshya 20:949d13045431 311 spi.write(onebyte[3]);
lakshya 20:949d13045431 312 }
lakshya 20:949d13045431 313 cs = 1;
lakshya 20:949d13045431 314 /*
lakshya 20:949d13045431 315 spi.write(byte);
lakshya 20:949d13045431 316 spi.write(byte);
lakshya 20:949d13045431 317 spi.write(byte);
lakshya 20:949d13045431 318 spi.write(byte); //Each bit is written 32 times
lakshya 20:949d13045431 319 */
lakshya 33:76f2b8735501 320 // byte_count+=4;
lakshya 20:949d13045431 321
lakshya 20:949d13045431 322 }
lakshya 20:949d13045431 323
lakshya 20:949d13045431 324 if(byte_counter == 1)
lakshya 33:76f2b8735501 325 if(BCN_SPND_TX != 1) //Check for flag update by COM
lakshya 33:76f2b8735501 326 {
lakshya 33:76f2b8735501 327 //Set to Tx mode
lakshya 33:76f2b8735501 328 writereg(RF22_REG_07_OPERATING_MODE1,0x08); //txon
lakshya 33:76f2b8735501 329 wait(0.1);// takes time to set to tx mode hence the delay of 0.1.
lakshya 33:76f2b8735501 330 }
lakshya 33:76f2b8735501 331
lakshya 20:949d13045431 332 //testing level
lakshya 20:949d13045431 333 /*if(byte_counter > 0)
lakshya 20:949d13045431 334 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 335 {
lakshya 20:949d13045431 336 pc_bcn.printf("w_f_empty1\n\r");
lakshya 20:949d13045431 337 //reset_rfm(1);
lakshya 20:949d13045431 338 }*/
lakshya 20:949d13045431 339
lakshya 20:949d13045431 340
lakshya 20:949d13045431 341 //Check for fifoThresh
lakshya 20:949d13045431 342
lakshya 20:949d13045431 343 if(byte_counter > 0)
lakshya 73:d2bca4d2cc64 344 if(BCN_SPND_TX != 1) //Check for flag update by COM
lakshya 20:949d13045431 345 {
lakshya 33:76f2b8735501 346 wait_ms(25);
lakshya 33:76f2b8735501 347 while( timeout_count --)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 74:2c82080db98b 348 { //loop corresponds to ??
lakshya 73:d2bca4d2cc64 349 wait_ms(25);
lakshya 73:d2bca4d2cc64 350 while( timeout_count --)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 73:d2bca4d2cc64 351 {
lakshya 73:d2bca4d2cc64 352 //pc_bcn.printf("w_f_empty\n");
lakshya 73:d2bca4d2cc64 353 //reset_rfm(1);
lakshya 73:d2bca4d2cc64 354 }
lakshya 73:d2bca4d2cc64 355 timeout_count = 10e5;
lakshya 73:d2bca4d2cc64 356
lakshya 33:76f2b8735501 357 //pc_bcn.printf("w_f_empty\n");
lakshya 33:76f2b8735501 358 //reset_rfm(1);
lakshya 33:76f2b8735501 359 }
lakshya 33:76f2b8735501 360 timeout_count = 10e5;
lakshya 20:949d13045431 361 }
lakshya 20:949d13045431 362
lakshya 20:949d13045431 363 /* if(byte_counter%2==0 && byte_counter)
lakshya 20:949d13045431 364 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 365 {
lakshya 20:949d13045431 366 pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 367 }*/
lakshya 20:949d13045431 368 //pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 369 }
lakshya 20:949d13045431 370
lakshya 74:2c82080db98b 371 for(byte_counter = 15;byte_counter<149;byte_counter++) // include it in the loop itself
lakshya 20:949d13045431 372 {
lakshya 73:d2bca4d2cc64 373 if(BCN_SPND_TX == 1) continue;
lakshya 20:949d13045431 374 cs = 0;
lakshya 20:949d13045431 375 spi.write(0xFF);
lakshya 33:76f2b8735501 376 spi.write(LONG_HK_data[BCN_LONG_MSG_TYPE][byte_counter-15]);
lakshya 20:949d13045431 377 cs = 1;
lakshya 20:949d13045431 378
lakshya 20:949d13045431 379 if((byte_counter-15)%32==0)
lakshya 20:949d13045431 380 { //Check for fifoThresh
lakshya 20:949d13045431 381 wait_ms(25);
lakshya 33:76f2b8735501 382 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 383 {
lakshya 20:949d13045431 384 //pc_bcn.printf("Reset\n");
lakshya 20:949d13045431 385 //reset_rfm(1);
lakshya 20:949d13045431 386 }
lakshya 20:949d13045431 387 }
lakshya 20:949d13045431 388
lakshya 20:949d13045431 389 }
lakshya 20:949d13045431 390 wait_ms(70);
lakshya 20:949d13045431 391 //Check for fifoThresh
lakshya 73:d2bca4d2cc64 392 while(timeout_count--)
lakshya 73:d2bca4d2cc64 393 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00) break;
lakshya 73:d2bca4d2cc64 394 else if(timeout_count == 1)
lakshya 73:d2bca4d2cc64 395 if(BCN_SPND_TX != 1) reset_rfm(1);
lakshya 73:d2bca4d2cc64 396
lakshya 33:76f2b8735501 397 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 398 {
lakshya 20:949d13045431 399 pc_bcn.printf("Waiting for fifo to empty\r\n");
lakshya 20:949d13045431 400 }
lakshya 20:949d13045431 401
lakshya 20:949d13045431 402 //Check for packetsent interrupt
lakshya 73:d2bca4d2cc64 403 while(timeout_count--)
lakshya 73:d2bca4d2cc64 404 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04) break;
lakshya 73:d2bca4d2cc64 405 else if(timeout_count == 1)
lakshya 73:d2bca4d2cc64 406 if(BCN_SPND_TX != 1) reset_rfm(1);
lakshya 73:d2bca4d2cc64 407
lakshya 20:949d13045431 408 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 409
lakshya 20:949d13045431 410 //pc_bcn.printf("Short packet sent, bytes written = %d\r\n",byte_count);
lakshya 20:949d13045431 411
lakshya 20:949d13045431 412 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 413
lakshya 20:949d13045431 414 }
lakshya 20:949d13045431 415 #if 0
lakshya 20:949d13045431 416 void LONG_BCN_TX()
lakshya 20:949d13045431 417 {
lakshya 20:949d13045431 418 /*
lakshya 20:949d13045431 419 writereg(RF22_REG_6E_TX_DATA_RATE,0x04);
lakshya 20:949d13045431 420 writereg(RF22_REG_6F_TX_DATA_RATE,0xEA);//600 bps
lakshya 20:949d13045431 421 */
lakshya 20:949d13045431 422 writereg(RF22_REG_3E_PACKET_LENGTH,LONG_TX_DATA); //long packet length
lakshya 20:949d13045431 423 wait(0.02);
lakshya 20:949d13045431 424 uint32_t timeout_count=10e5;
lakshya 20:949d13045431 425
lakshya 20:949d13045431 426 //get long_beacon array
lakshya 20:949d13045431 427
lakshya 20:949d13045431 428 uint8_t Long_beacon[LONG_TX_DATA];
lakshya 20:949d13045431 429 for(int i = 0;i<LONG_TX_DATA;i++)
lakshya 20:949d13045431 430 {
lakshya 20:949d13045431 431 Long_beacon[i] = 0xFF;
lakshya 20:949d13045431 432 }
lakshya 20:949d13045431 433
lakshya 20:949d13045431 434 clearTxBuf();
lakshya 20:949d13045431 435 //writing data first time
lakshya 20:949d13045431 436 cs = 0;
lakshya 20:949d13045431 437 spi.write(0xFF);
lakshya 20:949d13045431 438 for(int i=0; i<64;i++)
lakshya 20:949d13045431 439 {
lakshya 20:949d13045431 440 spi.write(Long_beacon[i]);
lakshya 20:949d13045431 441 }
lakshya 20:949d13045431 442 cs = 1;
lakshya 20:949d13045431 443
lakshya 20:949d13045431 444 //Set to Tx mode
lakshya 20:949d13045431 445 writereg(RF22_REG_07_OPERATING_MODE1,0x08);
lakshya 20:949d13045431 446 wait(0.1);//necessary
lakshya 20:949d13045431 447
lakshya 20:949d13045431 448 //Check for fifoThresh
lakshya 20:949d13045431 449 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1)
lakshya 20:949d13045431 450 {
lakshya 74:2c82080db98b 451 pc_bcn.printf("Rst T1);
lakshya 74:2c82080db98b 452 reset_rfm(1); // if it reaches countdown
lakshya 20:949d13045431 453 }
lakshya 20:949d13045431 454 timeout_count=10e5;
lakshya 20:949d13045431 455
lakshya 20:949d13045431 456 cs = 0;
lakshya 20:949d13045431 457 spi.write(0xFF);
lakshya 20:949d13045431 458 for(int i=64; i<127;i++)
lakshya 20:949d13045431 459 {
lakshya 20:949d13045431 460 spi.write(Long_beacon[i]);
lakshya 20:949d13045431 461 }
lakshya 20:949d13045431 462 cs = 1;
lakshya 20:949d13045431 463 wait(0.1);
lakshya 20:949d13045431 464 //Check for fifoThresh
lakshya 20:949d13045431 465 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1)
lakshya 20:949d13045431 466 {
lakshya 74:2c82080db98b 467 pc_bcn.printf("Rst T2);
lakshya 20:949d13045431 468 reset_rfm(1);}
lakshya 20:949d13045431 469 timeout_count=10e5;
lakshya 20:949d13045431 470
lakshya 20:949d13045431 471 //Check for packetsent interrupt
lakshya 20:949d13045431 472 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 473
lakshya 20:949d13045431 474 //pc_bcn.printf("Long packet sent\r\n");
lakshya 20:949d13045431 475
lakshya 20:949d13045431 476 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 477 }
lakshya 20:949d13045431 478 #endif
lakshya 20:949d13045431 479 void reset_rfm(uint8_t fl)
lakshya 20:949d13045431 480 {
lakshya 20:949d13045431 481 if (fl ==1 && ERROR_CHECK ==0)
lakshya 20:949d13045431 482 { BCN_FAIL_COUNT++;
lakshya 20:949d13045431 483 ERROR_CHECK=1;
lakshya 74:2c82080db98b 484 pc_bcn.printf("BCN_FAIL_COUNT+++\n");
lakshya 20:949d13045431 485 }
lakshya 20:949d13045431 486 else if(fl == 0)
lakshya 20:949d13045431 487 {
lakshya 20:949d13045431 488 BCN_FAIL_COUNT = 0;
lakshya 20:949d13045431 489 ERROR_CHECK=0;
lakshya 20:949d13045431 490 }
lakshya 20:949d13045431 491 }
lakshya 20:949d13045431 492 void writereg(uint8_t reg,uint8_t val)
lakshya 20:949d13045431 493 {
lakshya 20:949d13045431 494
lakshya 20:949d13045431 495 uint8_t count = 0;
lakshya 20:949d13045431 496 for(;;count++)
lakshya 20:949d13045431 497 {
lakshya 20:949d13045431 498 int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1;
lakshya 20:949d13045431 499 if(reg != 0x7 && reg != 0x58 && reg != 0xF)
lakshya 20:949d13045431 500 {
lakshya 20:949d13045431 501 read_val = readreg(reg);
lakshya 20:949d13045431 502 if (read_val == val)
lakshya 20:949d13045431 503 {
lakshya 20:949d13045431 504 break;
lakshya 20:949d13045431 505 }
lakshya 33:76f2b8735501 506 else if(count == 2)
lakshya 20:949d13045431 507 {
lakshya 49:61c9f28332ba 508 reset_rfm(1); pc_bcn.printf("reg = 0x%X\n",reg);break;
lakshya 20:949d13045431 509 }
lakshya 20:949d13045431 510 else init_spi();
lakshya 20:949d13045431 511 }
lakshya 20:949d13045431 512 else
lakshya 20:949d13045431 513 break;
lakshya 20:949d13045431 514 }
lakshya 20:949d13045431 515 }
lakshya 20:949d13045431 516 uint8_t readreg(uint8_t reg)
lakshya 20:949d13045431 517 {
lakshya 20:949d13045431 518 uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val;
lakshya 20:949d13045431 519 }
lakshya 20:949d13045431 520 void clearTxBuf()
lakshya 20:949d13045431 521 {
lakshya 20:949d13045431 522 writereg(RF22_REG_08_OPERATING_MODE2,0x01);
lakshya 20:949d13045431 523 writereg(RF22_REG_08_OPERATING_MODE2,0x00);
lakshya 20:949d13045431 524 }
lakshya 20:949d13045431 525 uint8_t setFrequency(double centre)
lakshya 20:949d13045431 526 {
lakshya 20:949d13045431 527 uint8_t fbsel = 0x40;
lakshya 20:949d13045431 528 if (centre >= 480.0) {
lakshya 20:949d13045431 529 centre /= 2;
lakshya 20:949d13045431 530 fbsel |= 0x20;
lakshya 20:949d13045431 531 }
lakshya 20:949d13045431 532 centre /= 10.0;
lakshya 20:949d13045431 533 double integerPart = floor(centre);
lakshya 20:949d13045431 534 double fractionalPart = centre - integerPart;
lakshya 20:949d13045431 535
lakshya 20:949d13045431 536 uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23
lakshya 20:949d13045431 537 fbsel |= fb;
lakshya 20:949d13045431 538 uint16_t fc = fractionalPart * 64000;
lakshya 20:949d13045431 539 writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT
lakshya 20:949d13045431 540 writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0);
lakshya 20:949d13045431 541 writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel);
lakshya 20:949d13045431 542 writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8);
lakshya 20:949d13045431 543 writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff);
lakshya 20:949d13045431 544 return 0;
lakshya 20:949d13045431 545 }
lakshya 20:949d13045431 546 void init_spi()
lakshya 20:949d13045431 547 {
lakshya 20:949d13045431 548 cs=1; // chip must be deselected
lakshya 20:949d13045431 549 wait(0.1);
lakshya 20:949d13045431 550 spi.format(8,0);
lakshya 20:949d13045431 551 spi.frequency(10000000); //10MHz SCLK
lakshya 20:949d13045431 552 }
lakshya 20:949d13045431 553 void Init_BEACON_HW()
lakshya 20:949d13045431 554 {
lakshya 49:61c9f28332ba 555 pc_bcn.printf("Init HW\n\r");
lakshya 20:949d13045431 556 ERROR_CHECK=0;
lakshya 20:949d13045431 557 wait(0.1);
lakshya 20:949d13045431 558 int BCN_INIT_COUNTER = 1;
lakshya 20:949d13045431 559 while(BCN_INIT_COUNTER)
lakshya 20:949d13045431 560 {
lakshya 20:949d13045431 561 init_spi();
lakshya 49:61c9f28332ba 562 pc_bcn.printf("init spi\r\n");
lakshya 20:949d13045431 563 //should either have a flag for invalid SPI or discard this for actual case or add reset
lakshya 20:949d13045431 564 if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08)
lakshya 20:949d13045431 565 {
lakshya 20:949d13045431 566 pc_bcn.printf("spi connection valid\r\n");
lakshya 20:949d13045431 567 reset_rfm(0);
lakshya 49:61c9f28332ba 568
lakshya 49:61c9f28332ba 569 timer_Set_BCN_TX_STATUS_SUCCESS.reset();
lakshya 49:61c9f28332ba 570 timer_Set_BCN_TX_STATUS_SUCCESS.start();
lakshya 33:76f2b8735501 571 Set_BCN_TX_STATUS(BCN_INIT_SUCCESS);
lakshya 49:61c9f28332ba 572 timer_Set_BCN_TX_STATUS_SUCCESS.stop();
lakshya 49:61c9f28332ba 573
lakshya 20:949d13045431 574 break;
lakshya 20:949d13045431 575 }
lakshya 20:949d13045431 576 else if (BCN_INIT_COUNTER == 1)
lakshya 20:949d13045431 577 {
lakshya 20:949d13045431 578 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 579 reset_rfm(1);
lakshya 20:949d13045431 580 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 581 wait(0.1); //takes time to reset
lakshya 20:949d13045431 582 }
lakshya 20:949d13045431 583 else if (BCN_INIT_COUNTER == 2)
lakshya 20:949d13045431 584 {
lakshya 20:949d13045431 585 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 586 reset_rfm(1);
lakshya 20:949d13045431 587 BCN_TX_SW_STATUS = 0b00000011; //Device disabled
lakshya 20:949d13045431 588 //reset BCN HW using switch here
lakshya 20:949d13045431 589 }
lakshya 20:949d13045431 590 else
lakshya 20:949d13045431 591 {
lakshya 20:949d13045431 592 pc_bcn.printf("BCN_TX_FAILURE\r\n");
lakshya 49:61c9f28332ba 593
lakshya 49:61c9f28332ba 594 timer_Set_BCN_TX_STATUS_FAILURE.reset();
lakshya 49:61c9f28332ba 595 timer_Set_BCN_TX_STATUS_FAILURE.start();
lakshya 33:76f2b8735501 596 Set_BCN_TX_STATUS(BCN_INIT_FAILURE);
lakshya 49:61c9f28332ba 597 timer_Set_BCN_TX_STATUS_FAILURE.stop();
lakshya 49:61c9f28332ba 598
lakshya 20:949d13045431 599 break;
lakshya 20:949d13045431 600 }
lakshya 20:949d13045431 601 BCN_INIT_COUNTER++;
lakshya 20:949d13045431 602 }
lakshya 20:949d13045431 603
lakshya 33:76f2b8735501 604 if(BCN_TX_STATUS == BCN_INIT_SUCCESS)
lakshya 20:949d13045431 605 {
lakshya 20:949d13045431 606 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 607 wait(0.1); //takes time to reset
lakshya 20:949d13045431 608
lakshya 20:949d13045431 609 clearTxBuf();
lakshya 20:949d13045431 610
lakshya 20:949d13045431 611 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 612
lakshya 20:949d13045431 613 //txfifoalmostempty
lakshya 20:949d13045431 614 writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30);
lakshya 20:949d13045431 615
lakshya 20:949d13045431 616 //txfifoalmostfull
lakshya 20:949d13045431 617 writereg(RF22_REG_7C_TX_FIFO_CONTROL1,50);
lakshya 20:949d13045431 618
lakshya 20:949d13045431 619
lakshya 20:949d13045431 620 //Packet-engine registers
lakshya 20:949d13045431 621 writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00);
lakshya 20:949d13045431 622
lakshya 20:949d13045431 623 writereg(RF22_REG_33_HEADER_CONTROL2,0x08);
lakshya 20:949d13045431 624 writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00);
lakshya 20:949d13045431 625
lakshya 20:949d13045431 626 writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state
lakshya 20:949d13045431 627 writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state
lakshya 20:949d13045431 628
lakshya 20:949d13045431 629 setFrequency(435.0);
lakshya 20:949d13045431 630
lakshya 20:949d13045431 631 int i=3;
lakshya 20:949d13045431 632 while(i--)
lakshya 20:949d13045431 633 if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00)
lakshya 20:949d13045431 634 {
lakshya 20:949d13045431 635 setFrequency(435.0);
lakshya 20:949d13045431 636 if (i==1)
lakshya 20:949d13045431 637 {pc_bcn.printf("frequency not set properly\r\n");
lakshya 20:949d13045431 638 reset_rfm(1);
lakshya 20:949d13045431 639 }
lakshya 20:949d13045431 640 }
lakshya 20:949d13045431 641
lakshya 20:949d13045431 642 //set Modem Configuration
lakshya 20:949d13045431 643 writereg(RF22_REG_58,0x80);
lakshya 20:949d13045431 644
lakshya 20:949d13045431 645 //Set Data rate - same for both long and short beacon
lakshya 20:949d13045431 646
lakshya 20:949d13045431 647 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 33:76f2b8735501 648 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 33:76f2b8735501 649 writereg(RF22_REG_70_MODULATION_CONTROL1,0x20);//For data rates below 30kbps
lakshya 20:949d13045431 650
lakshya 20:949d13045431 651
lakshya 33:76f2b8735501 652 writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//0x21 = FIFO mode with ook demodulation
lakshya 33:76f2b8735501 653
lakshya 20:949d13045431 654
lakshya 20:949d13045431 655 //set tx power
lakshya 20:949d13045431 656 writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm
lakshya 20:949d13045431 657
lakshya 20:949d13045431 658 //TX_packet_length written later
lakshya 20:949d13045431 659 ERROR_CHECK = 0;
lakshya 49:61c9f28332ba 660 pc_bcn.printf("Done Init HW\n\r");
lakshya 20:949d13045431 661 }
lakshya 20:949d13045431 662 }
lakshya 20:949d13045431 663 bool Check_ACK_RECEIVED()
lakshya 20:949d13045431 664 {
lakshya 20:949d13045431 665 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)
lakshya 20:949d13045431 666 {
lakshya 49:61c9f28332ba 667 pc_bcn.printf("Packet sent: ACK received\r\n");
lakshya 20:949d13045431 668 return 1;
lakshya 20:949d13045431 669 }
lakshya 20:949d13045431 670 else
lakshya 20:949d13045431 671 {
lakshya 20:949d13045431 672 pc_bcn.printf("Packet not sent\r\n");
lakshya 20:949d13045431 673 return 0;
lakshya 20:949d13045431 674 }
lakshya 20:949d13045431 675 }
lakshya 20:949d13045431 676 /*
lakshya 20:949d13045431 677 int main()
lakshya 20:949d13045431 678 {
lakshya 20:949d13045431 679 FCTN_BCN_INIT();
lakshya 20:949d13045431 680
lakshya 20:949d13045431 681 loop.attach(&FCTN_BCN_TX_MAIN, 10.0);//in actual case its 30.0
lakshya 20:949d13045431 682
lakshya 20:949d13045431 683 while(1);
lakshya 20:949d13045431 684
lakshya 20:949d13045431 685 }
lakshya 73:d2bca4d2cc64 686 /* to write in flash function moved to TCTM*/
lakshya 33:76f2b8735501 687 void FCTN_BCN_SPND_TX()
lakshya 33:76f2b8735501 688 {
lakshya 50:6001287f3045 689 printf("BCN_SPND\n\r");
lakshya 33:76f2b8735501 690 BCN_SPND_TX = 1;
lakshya 33:76f2b8735501 691 if( BCN_TX_MAIN_STATUS == 1 && BCN_TX_SW_STATUS == 1 )
lakshya 33:76f2b8735501 692 {
lakshya 33:76f2b8735501 693 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 33:76f2b8735501 694 if( readreg(RF22_REG_07_OPERATING_MODE1) & 0x08 == 0x08 )
lakshya 33:76f2b8735501 695 {
lakshya 33:76f2b8735501 696 BCN_SW = 0;
lakshya 33:76f2b8735501 697 BCN_TX_SW_STATUS = 3;
lakshya 33:76f2b8735501 698 }
lakshya 33:76f2b8735501 699 }
lakshya 33:76f2b8735501 700 }