Team Fox / Mbed 2 deprecated RAJANGAM_REVIEW_BAE_CODE

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Dependencies:   FreescaleIAP mbed-rtos mbed

Fork of QM_BAE_review_1 by Team Fox

BCN.cpp@77:66a1933f2dd9, 2016-12-07 (annotated)

Committer:
azaddevarm
Date:
Wed Dec 07 10:50:28 2016 +0000
Revision:
77:66a1933f2dd9
Parent:
68:a5d2b8dc6b9e 
Updated BCN.cpp to prevent resetting if BCN_SPND tc received during bcn transmission

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 49:61c9f28332ba 17 DigitalOut bcn_sw(PIN14,0);
lakshya 68: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 68: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 68: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 20:949d13045431 143 BCN_TX_MAIN_STATUS = 1;
lakshya 20:949d13045431 144 BCN_TX_MAIN_COUNTER++;
lakshya 50:6001287f3045 145 printf("BCN_FEN = %d\n\r",BCN_FEN);
lakshya 20:949d13045431 146 if(BCN_FEN == 1)
lakshya 20:949d13045431 147 {
lakshya 50:6001287f3045 148 printf("BCN_TX_SW_STATUS = %d\n\r",BCN_TX_SW_STATUS);
lakshya 50:6001287f3045 149 //if(BCN_TX_SW_STATUS == 0b00000001)
lakshya 50:6001287f3045 150 if(BCN_TX_SW_STATUS != 0b00000000)
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 47:d59ba66229ce 159 pc_bcn.printf("\n\r transmitting");
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 58:c4203e162d12 164 printf("\n\rthe BCN_TMP is %d\n",temp_temp);
lakshya 33:76f2b8735501 165 pc_bcn.printf("temperature = %d\n\r",BCN_TMP);
lakshya 33:76f2b8735501 166 //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER
lakshya 68:a5d2b8dc6b9e 167 pc_bcn.printf("BCN_SPND_TX = %d\n\r",BCN_SPND_TX);
lakshya 33:76f2b8735501 168 if(BCN_SPND_TX == 1 )
lakshya 33:76f2b8735501 169 {
lakshya 49:61c9f28332ba 170 timer_Set_BCN_TX_STATUS_SUSPENDED.reset();
lakshya 49:61c9f28332ba 171 timer_Set_BCN_TX_STATUS_SUSPENDED.start();
lakshya 33:76f2b8735501 172 Set_BCN_TX_STATUS(BCN_TX_SUSPENDED);
lakshya 33:76f2b8735501 173 BCN_TX_MAIN_STATUS = 0;
lakshya 49:61c9f28332ba 174 timer_Set_BCN_TX_STATUS_SUSPENDED.stop();
lakshya 33:76f2b8735501 175 }
lakshya 33:76f2b8735501 176 else
lakshya 33:76f2b8735501 177 {
lakshya 20:949d13045431 178 //transmit short beacon and long beacon
lakshya 20:949d13045431 179 begintx = t_i.read_us();
lakshya 20:949d13045431 180 BCN_TX();
lakshya 20:949d13045431 181 endtx = t_i.read_us();
lakshya 33:76f2b8735501 182
lakshya 20:949d13045431 183 if(Check_ACK_RECEIVED() == 1)
lakshya 20:949d13045431 184 {
lakshya 20:949d13045431 185 Set_BCN_TX_STATUS(BCN_TX_SUCCESS);
lakshya 20:949d13045431 186 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 187 }
lakshya 20:949d13045431 188 else
lakshya 20:949d13045431 189 {
lakshya 33:76f2b8735501 190 Set_BCN_TX_STATUS(BCN_TX_FAILURE);
lakshya 33:76f2b8735501 191 //BCN_FAIL_COUNT++;
lakshya 33:76f2b8735501 192 //Init_BEACON_HW();
lakshya 20:949d13045431 193 BCN_TX_MAIN_STATUS = 0;
lakshya 33:76f2b8735501 194
lakshya 20:949d13045431 195 }
lakshya 33:76f2b8735501 196 }
lakshya 33:76f2b8735501 197 }
lakshya 20:949d13045431 198 }
lakshya 20:949d13045431 199 else
lakshya 20:949d13045431 200 {
lakshya 20:949d13045431 201 Set_BCN_TX_STATUS(BCN_TX_DISABLED);
lakshya 20:949d13045431 202 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 203 }
lakshya 20:949d13045431 204 }
lakshya 20:949d13045431 205 else
lakshya 20:949d13045431 206 {
lakshya 49:61c9f28332ba 207 timer_Set_BCN_TX_STATUS_RF_SILENCE.reset();
lakshya 49:61c9f28332ba 208 timer_Set_BCN_TX_STATUS_RF_SILENCE.start();
lakshya 20:949d13045431 209 Set_BCN_TX_STATUS(BCN_RF_SILENCE); //Window of RF Silence: None of the Txs should be on.
lakshya 20:949d13045431 210 BCN_TX_MAIN_STATUS = 0;
lakshya 49:61c9f28332ba 211 timer_Set_BCN_TX_STATUS_RF_SILENCE.stop();
lakshya 20:949d13045431 212 }
lakshya 20:949d13045431 213 t_i.stop();
lakshya 20:949d13045431 214 int end = t_i.read_us();
lakshya 20:949d13045431 215 pc_bcn.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin);
lakshya 20:949d13045431 216 pc_bcn.printf("The time required for FCTN_BCN_TX is %d useconds\r\n", endtx-begintx);
lakshya 20:949d13045431 217 /*
lakshya 20:949d13045431 218 pc_bcn.printf("The time required for Short_BCN is %d useconds\r\n", beginl-begins);
lakshya 20:949d13045431 219 pc_bcn.printf("The time required for Long_BCN is %d useconds\r\n", endtx-beginl);
lakshya 20:949d13045431 220 */
lakshya 20:949d13045431 221 ERROR_CHECK = 0;
lakshya 51:661dc022613a 222 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 223 }
lakshya 20:949d13045431 224
lakshya 20:949d13045431 225 void Set_BCN_TX_STATUS(uint8_t STATUS)
lakshya 20:949d13045431 226 {
lakshya 20:949d13045431 227 BCN_TX_STATUS = STATUS;
lakshya 20:949d13045431 228 }
lakshya 20:949d13045431 229
lakshya 20:949d13045431 230 uint8_t check_Temperature()
lakshya 20:949d13045431 231 {
lakshya 20:949d13045431 232 uint8_t temperature;
lakshya 20:949d13045431 233 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00);//set ADC to temp measurement
lakshya 58:c4203e162d12 234 writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20);//measure in degree celsius
lakshya 20:949d13045431 235 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);//start adc
lakshya 20:949d13045431 236 wait(0.1);
lakshya 58:c4203e162d12 237 //if( readreg(RF22_REG_0F_ADC_CONFIGURATION) & 0x80 == 0x80 )
lakshya 33:76f2b8735501 238 {
lakshya 33:76f2b8735501 239 temperature = readreg(RF22_REG_11_ADC_Value);
lakshya 68:a5d2b8dc6b9e 240 temperature = (float)temperature*0.5 - 64; //* 0.5 factor // to be checked
lakshya 33:76f2b8735501 241 }
lakshya 58:c4203e162d12 242 //else temperature = 0xFF;
lakshya 33:76f2b8735501 243 // temperature = (float)temperature*0.5 - 64;
lakshya 58:c4203e162d12 244 printf("\n\rthe vLKUE OF TEMPO %d",temperature);
lakshya 20:949d13045431 245 return temperature;
lakshya 20:949d13045431 246 }
lakshya 33:76f2b8735501 247
lakshya 33:76f2b8735501 248 uint32_t timeout_count;
lakshya 20:949d13045431 249 void BCN_TX()
lakshya 20:949d13045431 250 {
lakshya 49:61c9f28332ba 251 pc_bcn.printf("BCN_TX\n\r");
lakshya 20:949d13045431 252 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 20:949d13045431 253 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 20:949d13045431 254
lakshya 20:949d13045431 255 wait(0.02);
lakshya 20:949d13045431 256
lakshya 33:76f2b8735501 257 timeout_count = 10e5;
azaddevarm 77:66a1933f2dd9 258
lakshya 20:949d13045431 259 clearTxBuf(); //writing data first time
lakshya 20:949d13045431 260
lakshya 33:76f2b8735501 261 int byte_counter;
lakshya 20:949d13045431 262 uint8_t onebyte[4] = {0x81,0xA6,0xBE,0x4E};
lakshya 20:949d13045431 263 uint8_t zerobyte[4] = {0x7E,0x59,0x41,0xB1};
lakshya 20:949d13045431 264 for (byte_counter = 0; byte_counter <15 ; byte_counter++)
lakshya 20:949d13045431 265 {
azaddevarm 77:66a1933f2dd9 266 if(BCN_SPND_TX == 1) continue; //Check for flag update by COM
lakshya 20:949d13045431 267 for(int j = 7; j >= 0 ; j--)
lakshya 20:949d13045431 268 {
azaddevarm 77:66a1933f2dd9 269 if(BCN_SPND_TX == 1) continue; //Check for flag update by COM
lakshya 20:949d13045431 270 cs = 0;
lakshya 20:949d13045431 271 spi.write(0xFF);
lakshya 33:76f2b8735501 272 if((SHORT_HK_data[byte_counter] & (uint8_t) pow(2.0,j))!= pow(2.0,j))
lakshya 20:949d13045431 273 {
lakshya 20:949d13045431 274 //byte=0x00;
lakshya 20:949d13045431 275 spi.write(zerobyte[0]);
lakshya 20:949d13045431 276 spi.write(zerobyte[1]);
lakshya 20:949d13045431 277 spi.write(zerobyte[2]);
lakshya 20:949d13045431 278 spi.write(zerobyte[3]);
lakshya 20:949d13045431 279 }
lakshya 20:949d13045431 280 else
lakshya 20:949d13045431 281 {
lakshya 20:949d13045431 282 //byte=0xFF;
lakshya 20:949d13045431 283 spi.write(onebyte[0]);
lakshya 20:949d13045431 284 spi.write(onebyte[1]);
lakshya 20:949d13045431 285 spi.write(onebyte[2]);
lakshya 20:949d13045431 286 spi.write(onebyte[3]);
lakshya 20:949d13045431 287 }
lakshya 20:949d13045431 288 cs = 1;
lakshya 20:949d13045431 289 /*
lakshya 20:949d13045431 290 spi.write(byte);
lakshya 20:949d13045431 291 spi.write(byte);
lakshya 20:949d13045431 292 spi.write(byte);
lakshya 20:949d13045431 293 spi.write(byte); //Each bit is written 32 times
lakshya 20:949d13045431 294 */
lakshya 33:76f2b8735501 295 // byte_count+=4;
lakshya 20:949d13045431 296
lakshya 20:949d13045431 297 }
lakshya 20:949d13045431 298
lakshya 20:949d13045431 299 if(byte_counter == 1)
lakshya 33:76f2b8735501 300 if(BCN_SPND_TX != 1) //Check for flag update by COM
lakshya 33:76f2b8735501 301 {
lakshya 33:76f2b8735501 302 //Set to Tx mode
lakshya 33:76f2b8735501 303 writereg(RF22_REG_07_OPERATING_MODE1,0x08); //txon
lakshya 33:76f2b8735501 304 wait(0.1);// takes time to set to tx mode hence the delay of 0.1.
lakshya 33:76f2b8735501 305 }
lakshya 33:76f2b8735501 306
lakshya 20:949d13045431 307 //testing level
lakshya 20:949d13045431 308 /*if(byte_counter > 0)
lakshya 20:949d13045431 309 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 310 {
lakshya 20:949d13045431 311 pc_bcn.printf("w_f_empty1\n\r");
lakshya 20:949d13045431 312 //reset_rfm(1);
lakshya 20:949d13045431 313 }*/
lakshya 20:949d13045431 314
lakshya 20:949d13045431 315
lakshya 20:949d13045431 316 //Check for fifoThresh
lakshya 20:949d13045431 317
lakshya 20:949d13045431 318 if(byte_counter > 0)
azaddevarm 77:66a1933f2dd9 319 if(BCN_SPND_TX != 1) //Check for flag update by COM
lakshya 33:76f2b8735501 320 {
azaddevarm 77:66a1933f2dd9 321 wait_ms(25);
azaddevarm 77:66a1933f2dd9 322 while( timeout_count --)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
azaddevarm 77:66a1933f2dd9 323 {
azaddevarm 77:66a1933f2dd9 324 //pc_bcn.printf("w_f_empty\n");
azaddevarm 77:66a1933f2dd9 325 //reset_rfm(1);
azaddevarm 77:66a1933f2dd9 326 }
azaddevarm 77:66a1933f2dd9 327 timeout_count = 10e5;
lakshya 33:76f2b8735501 328 }
lakshya 20:949d13045431 329
lakshya 20:949d13045431 330 /* if(byte_counter%2==0 && byte_counter)
lakshya 20:949d13045431 331 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 332 {
lakshya 20:949d13045431 333 pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 334 }*/
lakshya 20:949d13045431 335 //pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 336 }
lakshya 20:949d13045431 337
lakshya 33:76f2b8735501 338 for(byte_counter = 15;byte_counter<149;byte_counter++)
lakshya 20:949d13045431 339 {
azaddevarm 77:66a1933f2dd9 340 if(BCN_SPND_TX == 1) continue; //Check for flag update by COM
lakshya 20:949d13045431 341 cs = 0;
lakshya 20:949d13045431 342 spi.write(0xFF);
lakshya 33:76f2b8735501 343 spi.write(LONG_HK_data[BCN_LONG_MSG_TYPE][byte_counter-15]);
lakshya 20:949d13045431 344 cs = 1;
lakshya 20:949d13045431 345
lakshya 20:949d13045431 346 if((byte_counter-15)%32==0)
lakshya 20:949d13045431 347 { //Check for fifoThresh
lakshya 20:949d13045431 348 wait_ms(25);
lakshya 33:76f2b8735501 349 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
azaddevarm 77:66a1933f2dd9 350
lakshya 20:949d13045431 351 }
lakshya 20:949d13045431 352
lakshya 20:949d13045431 353 }
lakshya 20:949d13045431 354 wait_ms(70);
azaddevarm 77:66a1933f2dd9 355
azaddevarm 77:66a1933f2dd9 356
lakshya 20:949d13045431 357 //Check for fifoThresh
azaddevarm 77:66a1933f2dd9 358 while(timeout_count--)
azaddevarm 77:66a1933f2dd9 359 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00) break;
azaddevarm 77:66a1933f2dd9 360 else if(timeout_count == 1)
azaddevarm 77:66a1933f2dd9 361 if(BCN_SPND_TX != 1) reset_rfm(1);
azaddevarm 77:66a1933f2dd9 362
lakshya 20:949d13045431 363
lakshya 20:949d13045431 364 //Check for packetsent interrupt
azaddevarm 77:66a1933f2dd9 365 while(timeout_count--)
azaddevarm 77:66a1933f2dd9 366 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04) break;
azaddevarm 77:66a1933f2dd9 367 else if(timeout_count == 1)
azaddevarm 77:66a1933f2dd9 368 if(BCN_SPND_TX != 1) reset_rfm(1);
lakshya 20:949d13045431 369
lakshya 20:949d13045431 370 //pc_bcn.printf("Short packet sent, bytes written = %d\r\n",byte_count);
lakshya 20:949d13045431 371
lakshya 20:949d13045431 372 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 373
lakshya 20:949d13045431 374 }
azaddevarm 77:66a1933f2dd9 375
lakshya 20:949d13045431 376 void reset_rfm(uint8_t fl)
lakshya 20:949d13045431 377 {
lakshya 20:949d13045431 378 if (fl ==1 && ERROR_CHECK ==0)
lakshya 20:949d13045431 379 { BCN_FAIL_COUNT++;
lakshya 20:949d13045431 380 ERROR_CHECK=1;
lakshya 49:61c9f28332ba 381 pc_bcn.printf("BCN_FAIL_COUNT++\n");
lakshya 20:949d13045431 382 }
lakshya 20:949d13045431 383 else if(fl == 0)
lakshya 20:949d13045431 384 {
lakshya 20:949d13045431 385 BCN_FAIL_COUNT = 0;
lakshya 20:949d13045431 386 ERROR_CHECK=0;
lakshya 20:949d13045431 387 }
lakshya 20:949d13045431 388 }
lakshya 20:949d13045431 389 void writereg(uint8_t reg,uint8_t val)
lakshya 20:949d13045431 390 {
lakshya 20:949d13045431 391
lakshya 20:949d13045431 392 uint8_t count = 0;
lakshya 20:949d13045431 393 for(;;count++)
lakshya 20:949d13045431 394 {
lakshya 20:949d13045431 395 int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1;
lakshya 20:949d13045431 396 if(reg != 0x7 && reg != 0x58 && reg != 0xF)
lakshya 20:949d13045431 397 {
lakshya 20:949d13045431 398 read_val = readreg(reg);
lakshya 20:949d13045431 399 if (read_val == val)
lakshya 20:949d13045431 400 {
lakshya 20:949d13045431 401 break;
lakshya 20:949d13045431 402 }
lakshya 33:76f2b8735501 403 else if(count == 2)
lakshya 20:949d13045431 404 {
lakshya 49:61c9f28332ba 405 reset_rfm(1); pc_bcn.printf("reg = 0x%X\n",reg);break;
lakshya 20:949d13045431 406 }
lakshya 20:949d13045431 407 else init_spi();
lakshya 20:949d13045431 408 }
lakshya 20:949d13045431 409 else
lakshya 20:949d13045431 410 break;
lakshya 20:949d13045431 411 }
lakshya 20:949d13045431 412 }
lakshya 20:949d13045431 413 uint8_t readreg(uint8_t reg)
lakshya 20:949d13045431 414 {
lakshya 20:949d13045431 415 uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val;
lakshya 20:949d13045431 416 }
lakshya 20:949d13045431 417 void clearTxBuf()
lakshya 20:949d13045431 418 {
lakshya 20:949d13045431 419 writereg(RF22_REG_08_OPERATING_MODE2,0x01);
lakshya 20:949d13045431 420 writereg(RF22_REG_08_OPERATING_MODE2,0x00);
lakshya 20:949d13045431 421 }
lakshya 20:949d13045431 422 uint8_t setFrequency(double centre)
lakshya 20:949d13045431 423 {
lakshya 20:949d13045431 424 uint8_t fbsel = 0x40;
lakshya 20:949d13045431 425 if (centre >= 480.0) {
lakshya 20:949d13045431 426 centre /= 2;
lakshya 20:949d13045431 427 fbsel |= 0x20;
lakshya 20:949d13045431 428 }
lakshya 20:949d13045431 429 centre /= 10.0;
lakshya 20:949d13045431 430 double integerPart = floor(centre);
lakshya 20:949d13045431 431 double fractionalPart = centre - integerPart;
lakshya 20:949d13045431 432
lakshya 20:949d13045431 433 uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23
lakshya 20:949d13045431 434 fbsel |= fb;
lakshya 20:949d13045431 435 uint16_t fc = fractionalPart * 64000;
lakshya 20:949d13045431 436 writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT
lakshya 20:949d13045431 437 writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0);
lakshya 20:949d13045431 438 writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel);
lakshya 20:949d13045431 439 writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8);
lakshya 20:949d13045431 440 writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff);
lakshya 20:949d13045431 441 return 0;
lakshya 20:949d13045431 442 }
lakshya 20:949d13045431 443 void init_spi()
lakshya 20:949d13045431 444 {
lakshya 20:949d13045431 445 cs=1; // chip must be deselected
lakshya 20:949d13045431 446 wait(0.1);
lakshya 20:949d13045431 447 spi.format(8,0);
lakshya 20:949d13045431 448 spi.frequency(10000000); //10MHz SCLK
lakshya 20:949d13045431 449 }
lakshya 20:949d13045431 450 void Init_BEACON_HW()
lakshya 20:949d13045431 451 {
lakshya 49:61c9f28332ba 452 pc_bcn.printf("Init HW\n\r");
lakshya 20:949d13045431 453 ERROR_CHECK=0;
lakshya 20:949d13045431 454 wait(0.1);
lakshya 20:949d13045431 455 int BCN_INIT_COUNTER = 1;
lakshya 20:949d13045431 456 while(BCN_INIT_COUNTER)
lakshya 20:949d13045431 457 {
lakshya 20:949d13045431 458 init_spi();
lakshya 49:61c9f28332ba 459 pc_bcn.printf("init spi\r\n");
lakshya 20:949d13045431 460 //should either have a flag for invalid SPI or discard this for actual case or add reset
lakshya 20:949d13045431 461 if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08)
lakshya 20:949d13045431 462 {
lakshya 20:949d13045431 463 pc_bcn.printf("spi connection valid\r\n");
lakshya 20:949d13045431 464 reset_rfm(0);
lakshya 49:61c9f28332ba 465
lakshya 49:61c9f28332ba 466 timer_Set_BCN_TX_STATUS_SUCCESS.reset();
lakshya 49:61c9f28332ba 467 timer_Set_BCN_TX_STATUS_SUCCESS.start();
lakshya 33:76f2b8735501 468 Set_BCN_TX_STATUS(BCN_INIT_SUCCESS);
lakshya 49:61c9f28332ba 469 timer_Set_BCN_TX_STATUS_SUCCESS.stop();
lakshya 49:61c9f28332ba 470
lakshya 20:949d13045431 471 break;
lakshya 20:949d13045431 472 }
lakshya 20:949d13045431 473 else if (BCN_INIT_COUNTER == 1)
lakshya 20:949d13045431 474 {
lakshya 20:949d13045431 475 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 476 reset_rfm(1);
lakshya 20:949d13045431 477 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 478 wait(0.1); //takes time to reset
lakshya 20:949d13045431 479 }
lakshya 20:949d13045431 480 else if (BCN_INIT_COUNTER == 2)
lakshya 20:949d13045431 481 {
lakshya 20:949d13045431 482 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 483 reset_rfm(1);
lakshya 20:949d13045431 484 BCN_TX_SW_STATUS = 0b00000011; //Device disabled
lakshya 20:949d13045431 485 //reset BCN HW using switch here
lakshya 20:949d13045431 486 }
lakshya 20:949d13045431 487 else
lakshya 20:949d13045431 488 {
lakshya 20:949d13045431 489 pc_bcn.printf("BCN_TX_FAILURE\r\n");
lakshya 49:61c9f28332ba 490
lakshya 49:61c9f28332ba 491 timer_Set_BCN_TX_STATUS_FAILURE.reset();
lakshya 49:61c9f28332ba 492 timer_Set_BCN_TX_STATUS_FAILURE.start();
lakshya 33:76f2b8735501 493 Set_BCN_TX_STATUS(BCN_INIT_FAILURE);
lakshya 49:61c9f28332ba 494 timer_Set_BCN_TX_STATUS_FAILURE.stop();
lakshya 49:61c9f28332ba 495
lakshya 20:949d13045431 496 break;
lakshya 20:949d13045431 497 }
lakshya 20:949d13045431 498 BCN_INIT_COUNTER++;
lakshya 20:949d13045431 499 }
lakshya 20:949d13045431 500
lakshya 33:76f2b8735501 501 if(BCN_TX_STATUS == BCN_INIT_SUCCESS)
lakshya 20:949d13045431 502 {
lakshya 20:949d13045431 503 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 504 wait(0.1); //takes time to reset
lakshya 20:949d13045431 505
lakshya 20:949d13045431 506 clearTxBuf();
lakshya 20:949d13045431 507
lakshya 20:949d13045431 508 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 509
lakshya 20:949d13045431 510 //txfifoalmostempty
lakshya 20:949d13045431 511 writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30);
lakshya 20:949d13045431 512
lakshya 20:949d13045431 513 //txfifoalmostfull
lakshya 20:949d13045431 514 writereg(RF22_REG_7C_TX_FIFO_CONTROL1,50);
lakshya 20:949d13045431 515
lakshya 20:949d13045431 516
lakshya 20:949d13045431 517 //Packet-engine registers
lakshya 20:949d13045431 518 writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00);
lakshya 20:949d13045431 519
lakshya 20:949d13045431 520 writereg(RF22_REG_33_HEADER_CONTROL2,0x08);
lakshya 20:949d13045431 521 writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00);
lakshya 20:949d13045431 522
lakshya 20:949d13045431 523 writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state
lakshya 20:949d13045431 524 writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state
lakshya 20:949d13045431 525
lakshya 20:949d13045431 526 setFrequency(435.0);
lakshya 20:949d13045431 527
lakshya 20:949d13045431 528 int i=3;
lakshya 20:949d13045431 529 while(i--)
lakshya 20:949d13045431 530 if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00)
lakshya 20:949d13045431 531 {
lakshya 20:949d13045431 532 setFrequency(435.0);
lakshya 20:949d13045431 533 if (i==1)
lakshya 20:949d13045431 534 {pc_bcn.printf("frequency not set properly\r\n");
lakshya 20:949d13045431 535 reset_rfm(1);
lakshya 20:949d13045431 536 }
lakshya 20:949d13045431 537 }
lakshya 20:949d13045431 538
lakshya 20:949d13045431 539 //set Modem Configuration
lakshya 20:949d13045431 540 writereg(RF22_REG_58,0x80);
lakshya 20:949d13045431 541
lakshya 20:949d13045431 542 //Set Data rate - same for both long and short beacon
lakshya 20:949d13045431 543
lakshya 20:949d13045431 544 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 33:76f2b8735501 545 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 33:76f2b8735501 546 writereg(RF22_REG_70_MODULATION_CONTROL1,0x20);//For data rates below 30kbps
lakshya 20:949d13045431 547
lakshya 20:949d13045431 548
lakshya 33:76f2b8735501 549 writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//0x21 = FIFO mode with ook demodulation
lakshya 33:76f2b8735501 550
lakshya 20:949d13045431 551
lakshya 20:949d13045431 552 //set tx power
lakshya 20:949d13045431 553 writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm
lakshya 20:949d13045431 554
lakshya 20:949d13045431 555 //TX_packet_length written later
lakshya 20:949d13045431 556 ERROR_CHECK = 0;
lakshya 49:61c9f28332ba 557 pc_bcn.printf("Done Init HW\n\r");
lakshya 20:949d13045431 558 }
lakshya 20:949d13045431 559 }
lakshya 20:949d13045431 560 bool Check_ACK_RECEIVED()
lakshya 20:949d13045431 561 {
lakshya 20:949d13045431 562 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)
lakshya 20:949d13045431 563 {
lakshya 49:61c9f28332ba 564 pc_bcn.printf("Packet sent: ACK received\r\n");
lakshya 20:949d13045431 565 return 1;
lakshya 20:949d13045431 566 }
lakshya 20:949d13045431 567 else
lakshya 20:949d13045431 568 {
lakshya 20:949d13045431 569 pc_bcn.printf("Packet not sent\r\n");
lakshya 20:949d13045431 570 return 0;
lakshya 20:949d13045431 571 }
lakshya 20:949d13045431 572 }
lakshya 20:949d13045431 573 /*
lakshya 20:949d13045431 574 int main()
lakshya 20:949d13045431 575 {
lakshya 20:949d13045431 576 FCTN_BCN_INIT();
lakshya 20:949d13045431 577
lakshya 20:949d13045431 578 loop.attach(&FCTN_BCN_TX_MAIN, 10.0);//in actual case its 30.0
lakshya 20:949d13045431 579
lakshya 20:949d13045431 580 while(1);
lakshya 20:949d13045431 581
lakshya 20:949d13045431 582 }
lakshya 33:76f2b8735501 583 */
lakshya 33:76f2b8735501 584
lakshya 33:76f2b8735501 585 void FCTN_BCN_SPND_TX()
lakshya 33:76f2b8735501 586 {
lakshya 50:6001287f3045 587 printf("BCN_SPND\n\r");
lakshya 33:76f2b8735501 588 BCN_SPND_TX = 1;
lakshya 33:76f2b8735501 589 if( BCN_TX_MAIN_STATUS == 1 && BCN_TX_SW_STATUS == 1 )
lakshya 33:76f2b8735501 590 {
lakshya 33:76f2b8735501 591 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 33:76f2b8735501 592 if( readreg(RF22_REG_07_OPERATING_MODE1) & 0x08 == 0x08 )
lakshya 33:76f2b8735501 593 {
lakshya 33:76f2b8735501 594 BCN_SW = 0;
lakshya 33:76f2b8735501 595 BCN_TX_SW_STATUS = 3;
lakshya 33:76f2b8735501 596 }
lakshya 33:76f2b8735501 597 }
lakshya 33:76f2b8735501 598 }
lakshya 33:76f2b8735501 599