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@82:9117fc24d09d, 2016-12-10 (annotated)

Committer:
azaddevarm
Date:
Sat Dec 10 15:07:13 2016 +0000
Revision:
82:9117fc24d09d
Parent:
80:da657c390c27
Child:
83:78b6a62cdf6a
Added changes done in BCN_TX for BCN_SPND_TX which were lost due to bad version control

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 }
azaddevarm 82:9117fc24d09d 190 else if(BCN_SPND_TX == 1 )
azaddevarm 82:9117fc24d09d 191 {
azaddevarm 82:9117fc24d09d 192 timer_Set_BCN_TX_STATUS_SUSPENDED.reset();
azaddevarm 82:9117fc24d09d 193 timer_Set_BCN_TX_STATUS_SUSPENDED.start();
azaddevarm 82:9117fc24d09d 194 BCN_TX_STATUS = BCN_TX_SUSPENDED;
azaddevarm 82:9117fc24d09d 195 BCN_TX_MAIN_STATUS = 0;
azaddevarm 82:9117fc24d09d 196 timer_Set_BCN_TX_STATUS_SUSPENDED.stop();
azaddevarm 82:9117fc24d09d 197 }
lakshya 20:949d13045431 198 else
lakshya 20:949d13045431 199 {
azaddevarm 78:8ab8fb417a84 200 BCN_TX_STATUS = BCN_TX_FAILURE;
lakshya 33:76f2b8735501 201 //BCN_FAIL_COUNT++;
lakshya 33:76f2b8735501 202 //Init_BEACON_HW();
lakshya 20:949d13045431 203 BCN_TX_MAIN_STATUS = 0;
lakshya 33:76f2b8735501 204
lakshya 20:949d13045431 205 }
lakshya 33:76f2b8735501 206 }
lakshya 33:76f2b8735501 207 }
lakshya 20:949d13045431 208 }
lakshya 20:949d13045431 209 else
lakshya 20:949d13045431 210 {
azaddevarm 78:8ab8fb417a84 211 BCN_TX_STATUS = BCN_TX_DISABLED;
lakshya 20:949d13045431 212 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 213 }
lakshya 20:949d13045431 214 }
lakshya 20:949d13045431 215 else
lakshya 20:949d13045431 216 {
lakshya 49:61c9f28332ba 217 timer_Set_BCN_TX_STATUS_RF_SILENCE.reset();
lakshya 49:61c9f28332ba 218 timer_Set_BCN_TX_STATUS_RF_SILENCE.start();
azaddevarm 78:8ab8fb417a84 219 BCN_TX_STATUS = BCN_RF_SILENCE; //Window of RF Silence: None of the Txs should be on.
lakshya 20:949d13045431 220 BCN_TX_MAIN_STATUS = 0;
lakshya 49:61c9f28332ba 221 timer_Set_BCN_TX_STATUS_RF_SILENCE.stop();
lakshya 20:949d13045431 222 }
lakshya 20:949d13045431 223 t_i.stop();
lakshya 20:949d13045431 224 int end = t_i.read_us();
lakshya 20:949d13045431 225 pc_bcn.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin);
lakshya 20:949d13045431 226 pc_bcn.printf("The time required for FCTN_BCN_TX is %d useconds\r\n", endtx-begintx);
lakshya 20:949d13045431 227 /*
lakshya 20:949d13045431 228 pc_bcn.printf("The time required for Short_BCN is %d useconds\r\n", beginl-begins);
lakshya 20:949d13045431 229 pc_bcn.printf("The time required for Long_BCN is %d useconds\r\n", endtx-beginl);
lakshya 20:949d13045431 230 */
lakshya 20:949d13045431 231 ERROR_CHECK = 0;
lakshya 51:661dc022613a 232 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 233 }
lakshya 20:949d13045431 234
lakshya 20:949d13045431 235 void Set_BCN_TX_STATUS(uint8_t STATUS)
lakshya 20:949d13045431 236 {
lakshya 20:949d13045431 237 BCN_TX_STATUS = STATUS;
lakshya 20:949d13045431 238 }
lakshya 20:949d13045431 239
lakshya 20:949d13045431 240 uint8_t check_Temperature()
lakshya 20:949d13045431 241 {
lakshya 20:949d13045431 242 uint8_t temperature;
lakshya 20:949d13045431 243 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00);//set ADC to temp measurement
lakshya 58:c4203e162d12 244 writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20);//measure in degree celsius
lakshya 20:949d13045431 245 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);//start adc
lakshya 20:949d13045431 246 wait(0.1);
lakshya 58:c4203e162d12 247 //if( readreg(RF22_REG_0F_ADC_CONFIGURATION) & 0x80 == 0x80 )
lakshya 33:76f2b8735501 248 {
lakshya 33:76f2b8735501 249 temperature = readreg(RF22_REG_11_ADC_Value);
lakshya 66:a5d2b8dc6b9e 250 temperature = (float)temperature*0.5 - 64; //* 0.5 factor // to be checked
lakshya 33:76f2b8735501 251 }
lakshya 58:c4203e162d12 252 //else temperature = 0xFF;
lakshya 33:76f2b8735501 253 // temperature = (float)temperature*0.5 - 64;
lakshya 58:c4203e162d12 254 printf("\n\rthe vLKUE OF TEMPO %d",temperature);
lakshya 20:949d13045431 255 return temperature;
lakshya 20:949d13045431 256 }
lakshya 33:76f2b8735501 257
lakshya 33:76f2b8735501 258 uint32_t timeout_count;
lakshya 74:2c82080db98b 259 void BCN_TX() // main function for transmitting
lakshya 20:949d13045431 260 {
lakshya 49:61c9f28332ba 261 pc_bcn.printf("BCN_TX\n\r");
azaddevarm 82:9117fc24d09d 262
lakshya 20:949d13045431 263 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 20:949d13045431 264 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 20:949d13045431 265 wait(0.02);
lakshya 20:949d13045431 266
lakshya 33:76f2b8735501 267 timeout_count = 10e5;
lakshya 20:949d13045431 268 clearTxBuf(); //writing data first time
lakshya 20:949d13045431 269
lakshya 33:76f2b8735501 270 int byte_counter;
lakshya 20:949d13045431 271 uint8_t onebyte[4] = {0x81,0xA6,0xBE,0x4E};
lakshya 20:949d13045431 272 uint8_t zerobyte[4] = {0x7E,0x59,0x41,0xB1};
lakshya 74:2c82080db98b 273 for (byte_counter = 0; byte_counter <15 ; byte_counter++) // include condition in the foor loop itself
lakshya 20:949d13045431 274 {
azaddevarm 82:9117fc24d09d 275 if(BCN_SPND_TX == 1)
azaddevarm 82:9117fc24d09d 276 {
azaddevarm 82:9117fc24d09d 277 clearTxBuf();
azaddevarm 82:9117fc24d09d 278 break; //Check for flag update by COM
azaddevarm 82:9117fc24d09d 279 }
lakshya 74:2c82080db98b 280 for(int j = 7; j >= 0; j--)
lakshya 20:949d13045431 281 {
azaddevarm 82:9117fc24d09d 282 if(BCN_SPND_TX == 1)
azaddevarm 82:9117fc24d09d 283 {
azaddevarm 82:9117fc24d09d 284 clearTxBuf();
azaddevarm 82:9117fc24d09d 285 break; //Check for flag update by COM
azaddevarm 82:9117fc24d09d 286 }
lakshya 20:949d13045431 287 cs = 0;
lakshya 20:949d13045431 288 spi.write(0xFF);
lakshya 33:76f2b8735501 289 if((SHORT_HK_data[byte_counter] & (uint8_t) pow(2.0,j))!= pow(2.0,j))
lakshya 20:949d13045431 290 {
lakshya 20:949d13045431 291 //byte=0x00;
lakshya 20:949d13045431 292 spi.write(zerobyte[0]);
lakshya 20:949d13045431 293 spi.write(zerobyte[1]);
lakshya 20:949d13045431 294 spi.write(zerobyte[2]);
lakshya 20:949d13045431 295 spi.write(zerobyte[3]);
lakshya 20:949d13045431 296 }
lakshya 20:949d13045431 297 else
lakshya 20:949d13045431 298 {
lakshya 20:949d13045431 299 //byte=0xFF;
lakshya 20:949d13045431 300 spi.write(onebyte[0]);
lakshya 20:949d13045431 301 spi.write(onebyte[1]);
lakshya 20:949d13045431 302 spi.write(onebyte[2]);
lakshya 20:949d13045431 303 spi.write(onebyte[3]);
lakshya 20:949d13045431 304 }
lakshya 20:949d13045431 305 cs = 1;
lakshya 20:949d13045431 306 /*
lakshya 20:949d13045431 307 spi.write(byte);
lakshya 20:949d13045431 308 spi.write(byte);
lakshya 20:949d13045431 309 spi.write(byte);
lakshya 20:949d13045431 310 spi.write(byte); //Each bit is written 32 times
lakshya 20:949d13045431 311 */
lakshya 33:76f2b8735501 312 // byte_count+=4;
lakshya 20:949d13045431 313
lakshya 20:949d13045431 314 }
lakshya 20:949d13045431 315
lakshya 20:949d13045431 316 if(byte_counter == 1)
lakshya 33:76f2b8735501 317 if(BCN_SPND_TX != 1) //Check for flag update by COM
lakshya 33:76f2b8735501 318 {
lakshya 33:76f2b8735501 319 //Set to Tx mode
lakshya 33:76f2b8735501 320 writereg(RF22_REG_07_OPERATING_MODE1,0x08); //txon
lakshya 33:76f2b8735501 321 wait(0.1);// takes time to set to tx mode hence the delay of 0.1.
lakshya 33:76f2b8735501 322 }
lakshya 33:76f2b8735501 323
lakshya 20:949d13045431 324 //testing level
lakshya 20:949d13045431 325 /*if(byte_counter > 0)
lakshya 20:949d13045431 326 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 327 {
lakshya 20:949d13045431 328 pc_bcn.printf("w_f_empty1\n\r");
lakshya 20:949d13045431 329 //reset_rfm(1);
lakshya 20:949d13045431 330 }*/
lakshya 20:949d13045431 331
lakshya 20:949d13045431 332
lakshya 20:949d13045431 333 //Check for fifoThresh
lakshya 20:949d13045431 334
lakshya 20:949d13045431 335 if(byte_counter > 0)
azaddevarm 82:9117fc24d09d 336 if(BCN_SPND_TX != 1) //Check for flag update by COM
azaddevarm 82:9117fc24d09d 337 {
lakshya 73:d2bca4d2cc64 338 wait_ms(25);
lakshya 73:d2bca4d2cc64 339 while( timeout_count --)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
azaddevarm 82:9117fc24d09d 340 {
lakshya 73:d2bca4d2cc64 341 //pc_bcn.printf("w_f_empty\n");
lakshya 73:d2bca4d2cc64 342 //reset_rfm(1);
lakshya 73:d2bca4d2cc64 343 }
lakshya 73:d2bca4d2cc64 344 timeout_count = 10e5;
lakshya 33:76f2b8735501 345 }
lakshya 20:949d13045431 346
lakshya 20:949d13045431 347 /* if(byte_counter%2==0 && byte_counter)
lakshya 20:949d13045431 348 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 349 {
lakshya 20:949d13045431 350 pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 351 }*/
lakshya 20:949d13045431 352 //pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 353 }
lakshya 20:949d13045431 354
lakshya 74:2c82080db98b 355 for(byte_counter = 15;byte_counter<149;byte_counter++) // include it in the loop itself
lakshya 20:949d13045431 356 {
azaddevarm 82:9117fc24d09d 357 if(BCN_SPND_TX == 1)
azaddevarm 82:9117fc24d09d 358 {
azaddevarm 82:9117fc24d09d 359 clearTxBuf();
azaddevarm 82:9117fc24d09d 360 break; //Check for flag update by COM
azaddevarm 82:9117fc24d09d 361 }
lakshya 20:949d13045431 362 cs = 0;
lakshya 20:949d13045431 363 spi.write(0xFF);
lakshya 33:76f2b8735501 364 spi.write(LONG_HK_data[BCN_LONG_MSG_TYPE][byte_counter-15]);
lakshya 20:949d13045431 365 cs = 1;
lakshya 20:949d13045431 366
azaddevarm 82:9117fc24d09d 367 if((byte_counter-15)%32==0 && BCN_SPND_TX != 1)
lakshya 20:949d13045431 368 { //Check for fifoThresh
lakshya 20:949d13045431 369 wait_ms(25);
lakshya 33:76f2b8735501 370 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 371 {
lakshya 20:949d13045431 372 //pc_bcn.printf("Reset\n");
lakshya 20:949d13045431 373 //reset_rfm(1);
lakshya 20:949d13045431 374 }
lakshya 20:949d13045431 375 }
lakshya 20:949d13045431 376
lakshya 20:949d13045431 377 }
lakshya 20:949d13045431 378 wait_ms(70);
lakshya 20:949d13045431 379 //Check for fifoThresh
lakshya 73:d2bca4d2cc64 380 while(timeout_count--)
lakshya 73:d2bca4d2cc64 381 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00) break;
lakshya 73:d2bca4d2cc64 382 else if(timeout_count == 1)
lakshya 73:d2bca4d2cc64 383 if(BCN_SPND_TX != 1) reset_rfm(1);
lakshya 73:d2bca4d2cc64 384
lakshya 33:76f2b8735501 385 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 386 {
lakshya 20:949d13045431 387 pc_bcn.printf("Waiting for fifo to empty\r\n");
lakshya 20:949d13045431 388 }
lakshya 20:949d13045431 389
lakshya 20:949d13045431 390 //Check for packetsent interrupt
lakshya 73:d2bca4d2cc64 391 while(timeout_count--)
lakshya 73:d2bca4d2cc64 392 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04) 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 20:949d13045431 396 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 397
lakshya 20:949d13045431 398 //pc_bcn.printf("Short packet sent, bytes written = %d\r\n",byte_count);
lakshya 20:949d13045431 399
lakshya 20:949d13045431 400 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 401
lakshya 20:949d13045431 402 }
azaddevarm 82:9117fc24d09d 403
lakshya 20:949d13045431 404 void reset_rfm(uint8_t fl)
lakshya 20:949d13045431 405 {
lakshya 20:949d13045431 406 if (fl ==1 && ERROR_CHECK ==0)
lakshya 20:949d13045431 407 { BCN_FAIL_COUNT++;
lakshya 20:949d13045431 408 ERROR_CHECK=1;
lakshya 74:2c82080db98b 409 pc_bcn.printf("BCN_FAIL_COUNT+++\n");
lakshya 20:949d13045431 410 }
lakshya 20:949d13045431 411 else if(fl == 0)
lakshya 20:949d13045431 412 {
lakshya 20:949d13045431 413 BCN_FAIL_COUNT = 0;
lakshya 20:949d13045431 414 ERROR_CHECK=0;
lakshya 20:949d13045431 415 }
lakshya 20:949d13045431 416 }
lakshya 20:949d13045431 417 void writereg(uint8_t reg,uint8_t val)
lakshya 20:949d13045431 418 {
lakshya 20:949d13045431 419
lakshya 20:949d13045431 420 uint8_t count = 0;
lakshya 20:949d13045431 421 for(;;count++)
lakshya 20:949d13045431 422 {
lakshya 20:949d13045431 423 int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1;
lakshya 20:949d13045431 424 if(reg != 0x7 && reg != 0x58 && reg != 0xF)
lakshya 20:949d13045431 425 {
lakshya 20:949d13045431 426 read_val = readreg(reg);
lakshya 20:949d13045431 427 if (read_val == val)
lakshya 20:949d13045431 428 {
lakshya 20:949d13045431 429 break;
lakshya 20:949d13045431 430 }
lakshya 33:76f2b8735501 431 else if(count == 2)
lakshya 20:949d13045431 432 {
lakshya 49:61c9f28332ba 433 reset_rfm(1); pc_bcn.printf("reg = 0x%X\n",reg);break;
lakshya 20:949d13045431 434 }
lakshya 20:949d13045431 435 else init_spi();
lakshya 20:949d13045431 436 }
lakshya 20:949d13045431 437 else
lakshya 20:949d13045431 438 break;
lakshya 20:949d13045431 439 }
lakshya 20:949d13045431 440 }
lakshya 20:949d13045431 441 uint8_t readreg(uint8_t reg)
lakshya 20:949d13045431 442 {
lakshya 20:949d13045431 443 uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val;
lakshya 20:949d13045431 444 }
lakshya 20:949d13045431 445 void clearTxBuf()
lakshya 20:949d13045431 446 {
lakshya 20:949d13045431 447 writereg(RF22_REG_08_OPERATING_MODE2,0x01);
lakshya 20:949d13045431 448 writereg(RF22_REG_08_OPERATING_MODE2,0x00);
lakshya 20:949d13045431 449 }
lakshya 20:949d13045431 450 uint8_t setFrequency(double centre)
lakshya 20:949d13045431 451 {
lakshya 20:949d13045431 452 uint8_t fbsel = 0x40;
lakshya 20:949d13045431 453 if (centre >= 480.0) {
lakshya 20:949d13045431 454 centre /= 2;
lakshya 20:949d13045431 455 fbsel |= 0x20;
lakshya 20:949d13045431 456 }
lakshya 20:949d13045431 457 centre /= 10.0;
lakshya 20:949d13045431 458 double integerPart = floor(centre);
lakshya 20:949d13045431 459 double fractionalPart = centre - integerPart;
lakshya 20:949d13045431 460
lakshya 20:949d13045431 461 uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23
lakshya 20:949d13045431 462 fbsel |= fb;
lakshya 20:949d13045431 463 uint16_t fc = fractionalPart * 64000;
lakshya 20:949d13045431 464 writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT
lakshya 20:949d13045431 465 writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0);
lakshya 20:949d13045431 466 writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel);
lakshya 20:949d13045431 467 writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8);
lakshya 20:949d13045431 468 writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff);
lakshya 20:949d13045431 469 return 0;
lakshya 20:949d13045431 470 }
lakshya 20:949d13045431 471 void init_spi()
lakshya 20:949d13045431 472 {
lakshya 20:949d13045431 473 cs=1; // chip must be deselected
lakshya 20:949d13045431 474 wait(0.1);
lakshya 20:949d13045431 475 spi.format(8,0);
lakshya 20:949d13045431 476 spi.frequency(10000000); //10MHz SCLK
lakshya 20:949d13045431 477 }
lakshya 20:949d13045431 478 void Init_BEACON_HW()
lakshya 20:949d13045431 479 {
lakshya 49:61c9f28332ba 480 pc_bcn.printf("Init HW\n\r");
lakshya 20:949d13045431 481 ERROR_CHECK=0;
lakshya 20:949d13045431 482 wait(0.1);
lakshya 20:949d13045431 483 int BCN_INIT_COUNTER = 1;
lakshya 20:949d13045431 484 while(BCN_INIT_COUNTER)
lakshya 20:949d13045431 485 {
lakshya 20:949d13045431 486 init_spi();
lakshya 49:61c9f28332ba 487 pc_bcn.printf("init spi\r\n");
lakshya 20:949d13045431 488 //should either have a flag for invalid SPI or discard this for actual case or add reset
lakshya 20:949d13045431 489 if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08)
lakshya 20:949d13045431 490 {
lakshya 20:949d13045431 491 pc_bcn.printf("spi connection valid\r\n");
lakshya 20:949d13045431 492 reset_rfm(0);
lakshya 49:61c9f28332ba 493
lakshya 49:61c9f28332ba 494 timer_Set_BCN_TX_STATUS_SUCCESS.reset();
lakshya 49:61c9f28332ba 495 timer_Set_BCN_TX_STATUS_SUCCESS.start();
azaddevarm 78:8ab8fb417a84 496 BCN_TX_STATUS = BCN_INIT_SUCCESS;
lakshya 49:61c9f28332ba 497 timer_Set_BCN_TX_STATUS_SUCCESS.stop();
lakshya 49:61c9f28332ba 498
lakshya 20:949d13045431 499 break;
lakshya 20:949d13045431 500 }
lakshya 20:949d13045431 501 else if (BCN_INIT_COUNTER == 1)
lakshya 20:949d13045431 502 {
lakshya 20:949d13045431 503 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 504 reset_rfm(1);
lakshya 20:949d13045431 505 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 506 wait(0.1); //takes time to reset
lakshya 20:949d13045431 507 }
lakshya 20:949d13045431 508 else if (BCN_INIT_COUNTER == 2)
lakshya 20:949d13045431 509 {
lakshya 20:949d13045431 510 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 511 reset_rfm(1);
lakshya 20:949d13045431 512 BCN_TX_SW_STATUS = 0b00000011; //Device disabled
lakshya 20:949d13045431 513 //reset BCN HW using switch here
lakshya 20:949d13045431 514 }
lakshya 20:949d13045431 515 else
lakshya 20:949d13045431 516 {
lakshya 20:949d13045431 517 pc_bcn.printf("BCN_TX_FAILURE\r\n");
lakshya 49:61c9f28332ba 518
lakshya 49:61c9f28332ba 519 timer_Set_BCN_TX_STATUS_FAILURE.reset();
lakshya 49:61c9f28332ba 520 timer_Set_BCN_TX_STATUS_FAILURE.start();
azaddevarm 78:8ab8fb417a84 521 BCN_TX_STATUS = BCN_INIT_FAILURE;
lakshya 49:61c9f28332ba 522 timer_Set_BCN_TX_STATUS_FAILURE.stop();
lakshya 49:61c9f28332ba 523
lakshya 20:949d13045431 524 break;
lakshya 20:949d13045431 525 }
lakshya 20:949d13045431 526 BCN_INIT_COUNTER++;
lakshya 20:949d13045431 527 }
lakshya 20:949d13045431 528
lakshya 33:76f2b8735501 529 if(BCN_TX_STATUS == BCN_INIT_SUCCESS)
lakshya 20:949d13045431 530 {
lakshya 20:949d13045431 531 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 532 wait(0.1); //takes time to reset
lakshya 20:949d13045431 533
lakshya 20:949d13045431 534 clearTxBuf();
lakshya 20:949d13045431 535
lakshya 20:949d13045431 536 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 537
lakshya 20:949d13045431 538 //txfifoalmostempty
lakshya 20:949d13045431 539 writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30);
lakshya 20:949d13045431 540
lakshya 20:949d13045431 541 //txfifoalmostfull
lakshya 20:949d13045431 542 writereg(RF22_REG_7C_TX_FIFO_CONTROL1,50);
lakshya 20:949d13045431 543
lakshya 20:949d13045431 544
lakshya 20:949d13045431 545 //Packet-engine registers
lakshya 20:949d13045431 546 writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00);
lakshya 20:949d13045431 547
lakshya 20:949d13045431 548 writereg(RF22_REG_33_HEADER_CONTROL2,0x08);
lakshya 20:949d13045431 549 writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00);
lakshya 20:949d13045431 550
lakshya 20:949d13045431 551 writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state
lakshya 20:949d13045431 552 writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state
lakshya 20:949d13045431 553
lakshya 20:949d13045431 554 setFrequency(435.0);
lakshya 20:949d13045431 555
lakshya 20:949d13045431 556 int i=3;
lakshya 20:949d13045431 557 while(i--)
lakshya 20:949d13045431 558 if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00)
lakshya 20:949d13045431 559 {
lakshya 20:949d13045431 560 setFrequency(435.0);
lakshya 20:949d13045431 561 if (i==1)
lakshya 20:949d13045431 562 {pc_bcn.printf("frequency not set properly\r\n");
lakshya 20:949d13045431 563 reset_rfm(1);
lakshya 20:949d13045431 564 }
lakshya 20:949d13045431 565 }
lakshya 20:949d13045431 566
lakshya 20:949d13045431 567 //set Modem Configuration
lakshya 20:949d13045431 568 writereg(RF22_REG_58,0x80);
lakshya 20:949d13045431 569
lakshya 20:949d13045431 570 //Set Data rate - same for both long and short beacon
lakshya 20:949d13045431 571
lakshya 20:949d13045431 572 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 33:76f2b8735501 573 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 33:76f2b8735501 574 writereg(RF22_REG_70_MODULATION_CONTROL1,0x20);//For data rates below 30kbps
lakshya 20:949d13045431 575
lakshya 20:949d13045431 576
lakshya 33:76f2b8735501 577 writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//0x21 = FIFO mode with ook demodulation
lakshya 33:76f2b8735501 578
lakshya 20:949d13045431 579
lakshya 20:949d13045431 580 //set tx power
lakshya 20:949d13045431 581 writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm
lakshya 20:949d13045431 582
lakshya 20:949d13045431 583 //TX_packet_length written later
lakshya 20:949d13045431 584 ERROR_CHECK = 0;
lakshya 49:61c9f28332ba 585 pc_bcn.printf("Done Init HW\n\r");
lakshya 20:949d13045431 586 }
lakshya 20:949d13045431 587 }
lakshya 20:949d13045431 588 bool Check_ACK_RECEIVED()
lakshya 20:949d13045431 589 {
lakshya 20:949d13045431 590 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)
lakshya 20:949d13045431 591 {
lakshya 49:61c9f28332ba 592 pc_bcn.printf("Packet sent: ACK received\r\n");
lakshya 20:949d13045431 593 return 1;
lakshya 20:949d13045431 594 }
lakshya 20:949d13045431 595 else
lakshya 20:949d13045431 596 {
lakshya 20:949d13045431 597 pc_bcn.printf("Packet not sent\r\n");
lakshya 20:949d13045431 598 return 0;
lakshya 20:949d13045431 599 }
lakshya 20:949d13045431 600 }
azaddevarm 79:bc093fd525d7 601
azaddevarm 79:bc093fd525d7 602 // to write in flash function moved to TCTM
lakshya 33:76f2b8735501 603 void FCTN_BCN_SPND_TX()
lakshya 33:76f2b8735501 604 {
lakshya 50:6001287f3045 605 printf("BCN_SPND\n\r");
lakshya 33:76f2b8735501 606 BCN_SPND_TX = 1;
lakshya 33:76f2b8735501 607 if( BCN_TX_MAIN_STATUS == 1 && BCN_TX_SW_STATUS == 1 )
lakshya 33:76f2b8735501 608 {
lakshya 33:76f2b8735501 609 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 33:76f2b8735501 610 if( readreg(RF22_REG_07_OPERATING_MODE1) & 0x08 == 0x08 )
lakshya 33:76f2b8735501 611 {
azaddevarm 80:da657c390c27 612 BCN_SW = 0; //active low
lakshya 33:76f2b8735501 613 BCN_TX_SW_STATUS = 3;
lakshya 33:76f2b8735501 614 }
lakshya 33:76f2b8735501 615 }
lakshya 33:76f2b8735501 616 }
azaddevarm 79:bc093fd525d7 617
azaddevarm 79:bc093fd525d7 618 /*
azaddevarm 79:bc093fd525d7 619 int main()
azaddevarm 79:bc093fd525d7 620 {
azaddevarm 79:bc093fd525d7 621 FCTN_BCN_INIT();
azaddevarm 79:bc093fd525d7 622
azaddevarm 79:bc093fd525d7 623 loop.attach(&FCTN_BCN_TX_MAIN, 10.0);//in actual case its 30.0
azaddevarm 79:bc093fd525d7 624
azaddevarm 79:bc093fd525d7 625 while(1);
azaddevarm 79:bc093fd525d7 626
azaddevarm 79:bc093fd525d7 627 }
azaddevarm 79:bc093fd525d7 628 */