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@49:61c9f28332ba, 2016-07-14 (annotated)

Committer:
lakshya
Date:
Thu Jul 14 23:04:26 2016 +0000
Revision:
49:61c9f28332ba
Parent:
47:d59ba66229ce
Child:
50:6001287f3045
bcn last I2C + longbcn data testesd; 15 th july

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 49:61c9f28332ba 15
lakshya 49:61c9f28332ba 16 DigitalOut bcn_sw(PIN14,0);
lakshya 20:949d13045431 17 Serial pc_bcn(USBTX, USBRX); //tx,rx
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;
lakshya 20:949d13045431 31 uint8_t BCN_TX_STATUS = 0;
lakshya 20:949d13045431 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 20:949d13045431 36 uint8_t BCN_TMP = 0; // 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 33:76f2b8735501 56 void SHORT_HK_data_AQ()
lakshya 33:76f2b8735501 57 {
lakshya 33:76f2b8735501 58 uint8_t days,hours,mins;//for calculating the timing data in bae i2c uptime
lakshya 33:76f2b8735501 59
lakshya 33:76f2b8735501 60 //1st 0-7 call sign
lakshya 33:76f2b8735501 61 //SHORT_HK_data[0] _ SHORT_HK_data[6]
lakshya 49:61c9f28332ba 62 SHORT_HK_data[0] = 0xF3;
lakshya 49:61c9f28332ba 63 SHORT_HK_data[1] = 0x02;
lakshya 49:61c9f28332ba 64 SHORT_HK_data[2] = 0xFA;
lakshya 49:61c9f28332ba 65 SHORT_HK_data[3] = 0xC6;
lakshya 49:61c9f28332ba 66 SHORT_HK_data[4] = 0xD4;
lakshya 49:61c9f28332ba 67 SHORT_HK_data[5] = 0x28;
lakshya 49:61c9f28332ba 68 SHORT_HK_data[6] = 0x8A;
lakshya 33:76f2b8735501 69
lakshya 33:76f2b8735501 70 SHORT_HK_data[7] = quant_data.voltage_quant[15];
lakshya 33:76f2b8735501 71 SHORT_HK_data[7] = (SHORT_HK_data[7] & 0xF0) | (quant_data.current_quant[1]>>4);
lakshya 49:61c9f28332ba 72 SHORT_HK_data[8] = 0xFF;
lakshya 33:76f2b8735501 73 //braga SHORT_HK_data[8] = acs first 4 bit
lakshya 33:76f2b8735501 74 SHORT_HK_data[8] = (SHORT_HK_data[8] & 0xF0) | BCN_TMP>>4;
lakshya 49:61c9f28332ba 75 SHORT_HK_data[9] = 0xFF;
lakshya 33:76f2b8735501 76 //SHORT_HK_data[9] = float_to_uint8(min,max,EPS_BTRY_TMP_AVG); min max diss azad
lakshya 33:76f2b8735501 77 SHORT_HK_data[9] = (SHORT_HK_data[9]&0xF0) | BAE_RESET_COUNTER>>4;
lakshya 33:76f2b8735501 78
lakshya 49:61c9f28332ba 79
lakshya 33:76f2b8735501 80 RETURN_UPTIME(BAE_uptime.read(),&days,&hours,&mins);
lakshya 33:76f2b8735501 81 SHORT_HK_data[10] = CDMS_OC_FAULT;
lakshya 33:76f2b8735501 82 //SHORT_HK_data[10] = (1<<SHORT_HK_data[10]) | receiver_oc_fault//to be diss;
lakshya 33:76f2b8735501 83 SHORT_HK_data[10] = (SHORT_HK_data[10]<<1) | ((quant_data.voltage_quant[12]>>2)&0x3C);
lakshya 33:76f2b8735501 84 SHORT_HK_data[10] = (SHORT_HK_data[10]<<2) | ((days>>3)&0x03);
lakshya 33:76f2b8735501 85 SHORT_HK_data[11] = (days<<5) | (hours&0x1F);
lakshya 33:76f2b8735501 86
lakshya 33:76f2b8735501 87 RETURN_UPTIME(I2C_last.read(),&days,&hours,&mins);
lakshya 33:76f2b8735501 88 SHORT_HK_data[12] = EPS_CHARGER_STATUS;
lakshya 33:76f2b8735501 89 SHORT_HK_data[12] = (SHORT_HK_data[12]<<4) | (quant_data.voltage_quant[13]>>4);
lakshya 33:76f2b8735501 90 SHORT_HK_data[12] = (SHORT_HK_data[12]<<3) | (days>>2);
lakshya 33:76f2b8735501 91 SHORT_HK_data[13] = (days<<6) | (mins&0x3F);
lakshya 33:76f2b8735501 92
lakshya 33:76f2b8735501 93 SHORT_HK_data[14] = crc8_short();
lakshya 33:76f2b8735501 94 }
lakshya 20:949d13045431 95
lakshya 20:949d13045431 96 void FCTN_BCN_INIT()
lakshya 20:949d13045431 97 {
lakshya 20:949d13045431 98 pc_bcn.printf("FCTN_BCN_INIT\n");
lakshya 20:949d13045431 99 BCN_INIT_STATUS = 1;
lakshya 33:76f2b8735501 100 if( BCN_TX_SW_STATUS == 0b00000001)
lakshya 49:61c9f28332ba 101 {
lakshya 49:61c9f28332ba 102 timer_Init_BEACON_HW.reset();
lakshya 49:61c9f28332ba 103 timer_Init_BEACON_HW.start();
lakshya 49:61c9f28332ba 104 Init_BEACON_HW();
lakshya 49:61c9f28332ba 105 timer_Init_BEACON_HW.stop();
lakshya 49:61c9f28332ba 106 }
lakshya 49:61c9f28332ba 107 else
lakshya 49:61c9f28332ba 108 {
lakshya 49:61c9f28332ba 109 timer_Set_BCN_TX_STATUS_DISABLED.reset();
lakshya 49:61c9f28332ba 110 timer_Set_BCN_TX_STATUS_DISABLED.start();
lakshya 49:61c9f28332ba 111 Set_BCN_TX_STATUS(BCN_TX_DISABLED);
lakshya 49:61c9f28332ba 112 timer_Set_BCN_TX_STATUS_DISABLED.stop();
lakshya 49:61c9f28332ba 113 }
lakshya 33:76f2b8735501 114 // if(BCN_FEN == 0)//BCN_FEN is in flash
lakshya 33:76f2b8735501 115 // rf_sl_timeout.attach(&FCTN_BCN_FEN, RF_SILENCE_TIME);
lakshya 20:949d13045431 116 BCN_INIT_STATUS = 0;
lakshya 20:949d13045431 117 }
lakshya 20:949d13045431 118
lakshya 20:949d13045431 119 extern uint32_t FCTN_BAE_RD_FLASH_ENTITY(uint16_t);
lakshya 20:949d13045431 120 extern void FCTN_BAE_WR_FLASH(uint16_t ,uint32_t );
lakshya 20:949d13045431 121
lakshya 20:949d13045431 122 void FCTN_BCN_FEN(const void*)
lakshya 20:949d13045431 123 {
lakshya 20:949d13045431 124 pc_bcn.printf("FCTN_FEN\n\r");
lakshya 20:949d13045431 125 BCN_FEN = 1;//write this value to flash
lakshya 20:949d13045431 126 uint32_t FLASH_DATA;
lakshya 20:949d13045431 127 FLASH_DATA = FCTN_BAE_RD_FLASH_ENTITY(0);
lakshya 27:61c856be467e 128 FLASH_DATA = (FLASH_DATA | 0x00000800);//see if uint8 to uint32 conversion works
lakshya 20:949d13045431 129 FCTN_BAE_WR_FLASH(0,FLASH_DATA);
lakshya 20:949d13045431 130 }
lakshya 20:949d13045431 131 void FCTN_BCN_TX_MAIN()
lakshya 20:949d13045431 132 {
lakshya 20:949d13045431 133 ERROR_CHECK=0;
lakshya 20:949d13045431 134 pc_bcn.printf("\n\nFCTN_BCN_TX_MAIN\n\r");
lakshya 20:949d13045431 135 t_i.start();
lakshya 20:949d13045431 136 int begin = t_i.read_us();
lakshya 20:949d13045431 137 //int begins,beginl,endl;
lakshya 20:949d13045431 138 int begintx,endtx;
lakshya 20:949d13045431 139 BCN_TX_MAIN_STATUS = 1;
lakshya 20:949d13045431 140 BCN_TX_MAIN_COUNTER++;
lakshya 20:949d13045431 141 if(BCN_FEN == 1)
lakshya 20:949d13045431 142 {
lakshya 20:949d13045431 143 if(BCN_TX_SW_STATUS == 0b00000001)
lakshya 20:949d13045431 144 {
lakshya 49:61c9f28332ba 145 timer_Init_BEACON_HW.reset();
lakshya 49:61c9f28332ba 146 timer_Init_BEACON_HW.start();
lakshya 33:76f2b8735501 147 Init_BEACON_HW();
lakshya 49:61c9f28332ba 148 timer_Init_BEACON_HW.stop();
lakshya 49:61c9f28332ba 149
lakshya 33:76f2b8735501 150 if( BCN_TX_STATUS == BCN_INIT_SUCCESS )
lakshya 20:949d13045431 151 {
lakshya 47:d59ba66229ce 152 pc_bcn.printf("\n\r transmitting");
lakshya 33:76f2b8735501 153 //Measure and store BCN temperature in BCN_TS_BUFFER
lakshya 33:76f2b8735501 154 uint8_t temp_temp = check_Temperature();
lakshya 33:76f2b8735501 155 if( temp_temp != 0xFF )
lakshya 33:76f2b8735501 156 BCN_TMP = temp_temp;
lakshya 33:76f2b8735501 157 pc_bcn.printf("temperature = %d\n\r",BCN_TMP);
lakshya 33:76f2b8735501 158 //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER
lakshya 33:76f2b8735501 159 if(BCN_SPND_TX == 1 )
lakshya 33:76f2b8735501 160 {
lakshya 49:61c9f28332ba 161 timer_Set_BCN_TX_STATUS_SUSPENDED.reset();
lakshya 49:61c9f28332ba 162 timer_Set_BCN_TX_STATUS_SUSPENDED.start();
lakshya 33:76f2b8735501 163 Set_BCN_TX_STATUS(BCN_TX_SUSPENDED);
lakshya 33:76f2b8735501 164 BCN_TX_MAIN_STATUS = 0;
lakshya 49:61c9f28332ba 165 timer_Set_BCN_TX_STATUS_SUSPENDED.stop();
lakshya 33:76f2b8735501 166 }
lakshya 33:76f2b8735501 167 else
lakshya 33:76f2b8735501 168 {
lakshya 20:949d13045431 169 //transmit short beacon and long beacon
lakshya 20:949d13045431 170 begintx = t_i.read_us();
lakshya 20:949d13045431 171 BCN_TX();
lakshya 20:949d13045431 172 endtx = t_i.read_us();
lakshya 33:76f2b8735501 173
lakshya 20:949d13045431 174 if(Check_ACK_RECEIVED() == 1)
lakshya 20:949d13045431 175 {
lakshya 20:949d13045431 176 Set_BCN_TX_STATUS(BCN_TX_SUCCESS);
lakshya 20:949d13045431 177 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 178 }
lakshya 20:949d13045431 179 else
lakshya 20:949d13045431 180 {
lakshya 33:76f2b8735501 181 Set_BCN_TX_STATUS(BCN_TX_FAILURE);
lakshya 33:76f2b8735501 182 //BCN_FAIL_COUNT++;
lakshya 33:76f2b8735501 183 //Init_BEACON_HW();
lakshya 20:949d13045431 184 BCN_TX_MAIN_STATUS = 0;
lakshya 33:76f2b8735501 185
lakshya 20:949d13045431 186 }
lakshya 33:76f2b8735501 187 }
lakshya 33:76f2b8735501 188 }
lakshya 20:949d13045431 189 }
lakshya 20:949d13045431 190 else
lakshya 20:949d13045431 191 {
lakshya 20:949d13045431 192 Set_BCN_TX_STATUS(BCN_TX_DISABLED);
lakshya 20:949d13045431 193 BCN_TX_MAIN_STATUS = 0;
lakshya 20:949d13045431 194 }
lakshya 20:949d13045431 195 }
lakshya 20:949d13045431 196 else
lakshya 20:949d13045431 197 {
lakshya 49:61c9f28332ba 198 timer_Set_BCN_TX_STATUS_RF_SILENCE.reset();
lakshya 49:61c9f28332ba 199 timer_Set_BCN_TX_STATUS_RF_SILENCE.start();
lakshya 20:949d13045431 200 Set_BCN_TX_STATUS(BCN_RF_SILENCE); //Window of RF Silence: None of the Txs should be on.
lakshya 20:949d13045431 201 BCN_TX_MAIN_STATUS = 0;
lakshya 49:61c9f28332ba 202 timer_Set_BCN_TX_STATUS_RF_SILENCE.stop();
lakshya 20:949d13045431 203 }
lakshya 20:949d13045431 204 t_i.stop();
lakshya 20:949d13045431 205 int end = t_i.read_us();
lakshya 20:949d13045431 206 pc_bcn.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin);
lakshya 20:949d13045431 207 pc_bcn.printf("The time required for FCTN_BCN_TX is %d useconds\r\n", endtx-begintx);
lakshya 20:949d13045431 208 /*
lakshya 20:949d13045431 209 pc_bcn.printf("The time required for Short_BCN is %d useconds\r\n", beginl-begins);
lakshya 20:949d13045431 210 pc_bcn.printf("The time required for Long_BCN is %d useconds\r\n", endtx-beginl);
lakshya 20:949d13045431 211 */
lakshya 20:949d13045431 212 ERROR_CHECK = 0;
lakshya 20:949d13045431 213
lakshya 20:949d13045431 214 }
lakshya 20:949d13045431 215
lakshya 20:949d13045431 216 void Set_BCN_TX_STATUS(uint8_t STATUS)
lakshya 20:949d13045431 217 {
lakshya 20:949d13045431 218 BCN_TX_STATUS = STATUS;
lakshya 20:949d13045431 219 }
lakshya 20:949d13045431 220
lakshya 20:949d13045431 221 uint8_t check_Temperature()
lakshya 20:949d13045431 222 {
lakshya 20:949d13045431 223 uint8_t temperature;
lakshya 20:949d13045431 224 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00);//set ADC to temp measurement
lakshya 33:76f2b8735501 225 writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x60);//measure in degree celsius
lakshya 20:949d13045431 226 writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);//start adc
lakshya 20:949d13045431 227 wait(0.1);
lakshya 33:76f2b8735501 228 if( readreg(RF22_REG_0F_ADC_CONFIGURATION) & 0x80 == 0x00 )
lakshya 33:76f2b8735501 229 {
lakshya 33:76f2b8735501 230 temperature = readreg(RF22_REG_11_ADC_Value);
lakshya 33:76f2b8735501 231 temperature = (float)temperature - 64; //* 0.5 factor
lakshya 33:76f2b8735501 232 }
lakshya 33:76f2b8735501 233 else temperature = 0xFF;
lakshya 33:76f2b8735501 234 // temperature = (float)temperature*0.5 - 64;
lakshya 20:949d13045431 235 return temperature;
lakshya 20:949d13045431 236 }
lakshya 33:76f2b8735501 237
lakshya 33:76f2b8735501 238 uint32_t timeout_count;
lakshya 20:949d13045431 239 void BCN_TX()
lakshya 20:949d13045431 240 {
lakshya 49:61c9f28332ba 241 pc_bcn.printf("BCN_TX\n\r");
lakshya 20:949d13045431 242 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 20:949d13045431 243 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 20:949d13045431 244
lakshya 20:949d13045431 245 wait(0.02);
lakshya 20:949d13045431 246
lakshya 33:76f2b8735501 247 timeout_count = 10e5;
lakshya 20:949d13045431 248 //extract values from short_beacon[]
lakshya 33:76f2b8735501 249 /*
lakshya 20:949d13045431 250 uint8_t Long_beacon[LONG_TX_DATA];
lakshya 20:949d13045431 251 for(int i = 0;i<LONG_TX_DATA;i++)
lakshya 20:949d13045431 252 {
lakshya 20:949d13045431 253 Long_beacon[i] = 0xFF;
lakshya 20:949d13045431 254 }
lakshya 20:949d13045431 255
lakshya 20:949d13045431 256 struct Short_beacon
lakshya 20:949d13045431 257 {
lakshya 20:949d13045431 258 uint8_t Voltage[1];
lakshya 20:949d13045431 259 uint8_t AngularSpeed[2];
lakshya 20:949d13045431 260 uint8_t SubsystemStatus[1];
lakshya 20:949d13045431 261 uint8_t Temp[3];
lakshya 20:949d13045431 262 uint8_t ErrorFlag[1];
lakshya 20:949d13045431 263 }Shortbeacon = { {0xFF}, {0xFF, 0xFF} , {0xFF},{0xFF,0xFF,0xFF}, {0xFF} };
lakshya 20:949d13045431 264
lakshya 20:949d13045431 265 //filling hk data
lakshya 20:949d13045431 266 //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 267 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 268
lakshya 20:949d13045431 269 //writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode ??
lakshya 33:76f2b8735501 270 */
lakshya 20:949d13045431 271 clearTxBuf(); //writing data first time
lakshya 20:949d13045431 272
lakshya 33:76f2b8735501 273 int byte_counter;
lakshya 20:949d13045431 274 uint8_t onebyte[4] = {0x81,0xA6,0xBE,0x4E};
lakshya 20:949d13045431 275 uint8_t zerobyte[4] = {0x7E,0x59,0x41,0xB1};
lakshya 20:949d13045431 276 for (byte_counter = 0; byte_counter <15 ; byte_counter++)
lakshya 20:949d13045431 277 {
lakshya 20:949d13045431 278 for(int j = 7; j >= 0 ; j--)
lakshya 20:949d13045431 279 {
lakshya 20:949d13045431 280 cs = 0;
lakshya 20:949d13045431 281 spi.write(0xFF);
lakshya 33:76f2b8735501 282 if((SHORT_HK_data[byte_counter] & (uint8_t) pow(2.0,j))!= pow(2.0,j))
lakshya 20:949d13045431 283 {
lakshya 20:949d13045431 284 //byte=0x00;
lakshya 20:949d13045431 285 spi.write(zerobyte[0]);
lakshya 20:949d13045431 286 spi.write(zerobyte[1]);
lakshya 20:949d13045431 287 spi.write(zerobyte[2]);
lakshya 20:949d13045431 288 spi.write(zerobyte[3]);
lakshya 20:949d13045431 289 }
lakshya 20:949d13045431 290 else
lakshya 20:949d13045431 291 {
lakshya 20:949d13045431 292 //byte=0xFF;
lakshya 20:949d13045431 293 spi.write(onebyte[0]);
lakshya 20:949d13045431 294 spi.write(onebyte[1]);
lakshya 20:949d13045431 295 spi.write(onebyte[2]);
lakshya 20:949d13045431 296 spi.write(onebyte[3]);
lakshya 20:949d13045431 297 }
lakshya 20:949d13045431 298 cs = 1;
lakshya 20:949d13045431 299 /*
lakshya 20:949d13045431 300 spi.write(byte);
lakshya 20:949d13045431 301 spi.write(byte);
lakshya 20:949d13045431 302 spi.write(byte);
lakshya 20:949d13045431 303 spi.write(byte); //Each bit is written 32 times
lakshya 20:949d13045431 304 */
lakshya 33:76f2b8735501 305 // byte_count+=4;
lakshya 20:949d13045431 306
lakshya 20:949d13045431 307 }
lakshya 20:949d13045431 308
lakshya 20:949d13045431 309 if(byte_counter == 1)
lakshya 33:76f2b8735501 310 if(BCN_SPND_TX != 1) //Check for flag update by COM
lakshya 33:76f2b8735501 311 {
lakshya 33:76f2b8735501 312 //Set to Tx mode
lakshya 33:76f2b8735501 313 writereg(RF22_REG_07_OPERATING_MODE1,0x08); //txon
lakshya 33:76f2b8735501 314 wait(0.1);// takes time to set to tx mode hence the delay of 0.1.
lakshya 33:76f2b8735501 315 }
lakshya 33:76f2b8735501 316
lakshya 20:949d13045431 317 //testing level
lakshya 20:949d13045431 318 /*if(byte_counter > 0)
lakshya 20:949d13045431 319 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 320 {
lakshya 20:949d13045431 321 pc_bcn.printf("w_f_empty1\n\r");
lakshya 20:949d13045431 322 //reset_rfm(1);
lakshya 20:949d13045431 323 }*/
lakshya 20:949d13045431 324
lakshya 20:949d13045431 325
lakshya 20:949d13045431 326 //Check for fifoThresh
lakshya 20:949d13045431 327
lakshya 20:949d13045431 328 if(byte_counter > 0)
lakshya 20:949d13045431 329 {
lakshya 33:76f2b8735501 330 wait_ms(25);
lakshya 33:76f2b8735501 331 while( timeout_count --)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 33:76f2b8735501 332 {
lakshya 33:76f2b8735501 333 //pc_bcn.printf("w_f_empty\n");
lakshya 33:76f2b8735501 334 //reset_rfm(1);
lakshya 33:76f2b8735501 335 }
lakshya 33:76f2b8735501 336 timeout_count = 10e5;
lakshya 20:949d13045431 337 }
lakshya 20:949d13045431 338
lakshya 20:949d13045431 339 /* if(byte_counter%2==0 && byte_counter)
lakshya 20:949d13045431 340 while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else
lakshya 20:949d13045431 341 {
lakshya 20:949d13045431 342 pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 343 }*/
lakshya 20:949d13045431 344 //pc_bcn.printf("W = %d\r\n",byte_counter);
lakshya 20:949d13045431 345 }
lakshya 20:949d13045431 346
lakshya 33:76f2b8735501 347 for(byte_counter = 15;byte_counter<149;byte_counter++)
lakshya 20:949d13045431 348 {
lakshya 20:949d13045431 349 cs = 0;
lakshya 20:949d13045431 350 spi.write(0xFF);
lakshya 33:76f2b8735501 351 spi.write(LONG_HK_data[BCN_LONG_MSG_TYPE][byte_counter-15]);
lakshya 20:949d13045431 352 cs = 1;
lakshya 20:949d13045431 353
lakshya 20:949d13045431 354 if((byte_counter-15)%32==0)
lakshya 20:949d13045431 355 { //Check for fifoThresh
lakshya 20:949d13045431 356 wait_ms(25);
lakshya 33:76f2b8735501 357 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 358 {
lakshya 20:949d13045431 359 //pc_bcn.printf("Reset\n");
lakshya 20:949d13045431 360 //reset_rfm(1);
lakshya 20:949d13045431 361 }
lakshya 20:949d13045431 362 }
lakshya 20:949d13045431 363
lakshya 20:949d13045431 364 }
lakshya 20:949d13045431 365 wait_ms(70);
lakshya 20:949d13045431 366 //Check for fifoThresh
lakshya 33:76f2b8735501 367 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 368 {
lakshya 20:949d13045431 369 pc_bcn.printf("Waiting for fifo to empty\r\n");
lakshya 20:949d13045431 370 }
lakshya 20:949d13045431 371
lakshya 20:949d13045431 372 //Check for packetsent interrupt
lakshya 20:949d13045431 373 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 374
lakshya 20:949d13045431 375 //pc_bcn.printf("Short packet sent, bytes written = %d\r\n",byte_count);
lakshya 20:949d13045431 376
lakshya 20:949d13045431 377 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 378
lakshya 20:949d13045431 379 }
lakshya 20:949d13045431 380 #if 0
lakshya 20:949d13045431 381 void LONG_BCN_TX()
lakshya 20:949d13045431 382 {
lakshya 20:949d13045431 383 /*
lakshya 20:949d13045431 384 writereg(RF22_REG_6E_TX_DATA_RATE,0x04);
lakshya 20:949d13045431 385 writereg(RF22_REG_6F_TX_DATA_RATE,0xEA);//600 bps
lakshya 20:949d13045431 386 */
lakshya 20:949d13045431 387 writereg(RF22_REG_3E_PACKET_LENGTH,LONG_TX_DATA); //long packet length
lakshya 20:949d13045431 388 wait(0.02);
lakshya 20:949d13045431 389 uint32_t timeout_count=10e5;
lakshya 20:949d13045431 390
lakshya 20:949d13045431 391 //get long_beacon array
lakshya 20:949d13045431 392
lakshya 20:949d13045431 393 uint8_t Long_beacon[LONG_TX_DATA];
lakshya 20:949d13045431 394 for(int i = 0;i<LONG_TX_DATA;i++)
lakshya 20:949d13045431 395 {
lakshya 20:949d13045431 396 Long_beacon[i] = 0xFF;
lakshya 20:949d13045431 397 }
lakshya 20:949d13045431 398
lakshya 20:949d13045431 399 clearTxBuf();
lakshya 20:949d13045431 400 //writing data first time
lakshya 20:949d13045431 401 cs = 0;
lakshya 20:949d13045431 402 spi.write(0xFF);
lakshya 20:949d13045431 403 for(int i=0; i<64;i++)
lakshya 20:949d13045431 404 {
lakshya 20:949d13045431 405 spi.write(Long_beacon[i]);
lakshya 20:949d13045431 406 }
lakshya 20:949d13045431 407 cs = 1;
lakshya 20:949d13045431 408
lakshya 20:949d13045431 409 //Set to Tx mode
lakshya 20:949d13045431 410 writereg(RF22_REG_07_OPERATING_MODE1,0x08);
lakshya 20:949d13045431 411 wait(0.1);//necessary
lakshya 20:949d13045431 412
lakshya 20:949d13045431 413 //Check for fifoThresh
lakshya 20:949d13045431 414 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1)
lakshya 20:949d13045431 415 {
lakshya 20:949d13045431 416 pc_bcn.printf("Reset\n");
lakshya 20:949d13045431 417 reset_rfm(1);
lakshya 20:949d13045431 418 }
lakshya 20:949d13045431 419 timeout_count=10e5;
lakshya 20:949d13045431 420
lakshya 20:949d13045431 421 cs = 0;
lakshya 20:949d13045431 422 spi.write(0xFF);
lakshya 20:949d13045431 423 for(int i=64; i<127;i++)
lakshya 20:949d13045431 424 {
lakshya 20:949d13045431 425 spi.write(Long_beacon[i]);
lakshya 20:949d13045431 426 }
lakshya 20:949d13045431 427 cs = 1;
lakshya 20:949d13045431 428 wait(0.1);
lakshya 20:949d13045431 429 //Check for fifoThresh
lakshya 20:949d13045431 430 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1)
lakshya 20:949d13045431 431 {
lakshya 20:949d13045431 432 pc_bcn.printf("Reset\n");
lakshya 20:949d13045431 433 reset_rfm(1);}
lakshya 20:949d13045431 434 timeout_count=10e5;
lakshya 20:949d13045431 435
lakshya 20:949d13045431 436 //Check for packetsent interrupt
lakshya 20:949d13045431 437 while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;else if(timeout_count == 1) reset_rfm(1);
lakshya 20:949d13045431 438
lakshya 20:949d13045431 439 //pc_bcn.printf("Long packet sent\r\n");
lakshya 20:949d13045431 440
lakshya 20:949d13045431 441 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 442 }
lakshya 20:949d13045431 443 #endif
lakshya 20:949d13045431 444 void reset_rfm(uint8_t fl)
lakshya 20:949d13045431 445 {
lakshya 20:949d13045431 446 if (fl ==1 && ERROR_CHECK ==0)
lakshya 20:949d13045431 447 { BCN_FAIL_COUNT++;
lakshya 20:949d13045431 448 ERROR_CHECK=1;
lakshya 49:61c9f28332ba 449 pc_bcn.printf("BCN_FAIL_COUNT++\n");
lakshya 20:949d13045431 450 }
lakshya 20:949d13045431 451 else if(fl == 0)
lakshya 20:949d13045431 452 {
lakshya 20:949d13045431 453 BCN_FAIL_COUNT = 0;
lakshya 20:949d13045431 454 ERROR_CHECK=0;
lakshya 20:949d13045431 455 }
lakshya 20:949d13045431 456 }
lakshya 20:949d13045431 457 void writereg(uint8_t reg,uint8_t val)
lakshya 20:949d13045431 458 {
lakshya 20:949d13045431 459
lakshya 20:949d13045431 460 uint8_t count = 0;
lakshya 20:949d13045431 461 for(;;count++)
lakshya 20:949d13045431 462 {
lakshya 20:949d13045431 463 int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1;
lakshya 20:949d13045431 464 if(reg != 0x7 && reg != 0x58 && reg != 0xF)
lakshya 20:949d13045431 465 {
lakshya 20:949d13045431 466 read_val = readreg(reg);
lakshya 20:949d13045431 467 if (read_val == val)
lakshya 20:949d13045431 468 {
lakshya 20:949d13045431 469 break;
lakshya 20:949d13045431 470 }
lakshya 33:76f2b8735501 471 else if(count == 2)
lakshya 20:949d13045431 472 {
lakshya 49:61c9f28332ba 473 reset_rfm(1); pc_bcn.printf("reg = 0x%X\n",reg);break;
lakshya 20:949d13045431 474 }
lakshya 20:949d13045431 475 else init_spi();
lakshya 20:949d13045431 476 }
lakshya 20:949d13045431 477 else
lakshya 20:949d13045431 478 break;
lakshya 20:949d13045431 479 }
lakshya 20:949d13045431 480 }
lakshya 20:949d13045431 481 uint8_t readreg(uint8_t reg)
lakshya 20:949d13045431 482 {
lakshya 20:949d13045431 483 uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val;
lakshya 20:949d13045431 484 }
lakshya 20:949d13045431 485 void clearTxBuf()
lakshya 20:949d13045431 486 {
lakshya 20:949d13045431 487 writereg(RF22_REG_08_OPERATING_MODE2,0x01);
lakshya 20:949d13045431 488 writereg(RF22_REG_08_OPERATING_MODE2,0x00);
lakshya 20:949d13045431 489 }
lakshya 20:949d13045431 490 uint8_t setFrequency(double centre)
lakshya 20:949d13045431 491 {
lakshya 20:949d13045431 492 uint8_t fbsel = 0x40;
lakshya 20:949d13045431 493 if (centre >= 480.0) {
lakshya 20:949d13045431 494 centre /= 2;
lakshya 20:949d13045431 495 fbsel |= 0x20;
lakshya 20:949d13045431 496 }
lakshya 20:949d13045431 497 centre /= 10.0;
lakshya 20:949d13045431 498 double integerPart = floor(centre);
lakshya 20:949d13045431 499 double fractionalPart = centre - integerPart;
lakshya 20:949d13045431 500
lakshya 20:949d13045431 501 uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23
lakshya 20:949d13045431 502 fbsel |= fb;
lakshya 20:949d13045431 503 uint16_t fc = fractionalPart * 64000;
lakshya 20:949d13045431 504 writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT
lakshya 20:949d13045431 505 writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0);
lakshya 20:949d13045431 506 writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel);
lakshya 20:949d13045431 507 writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8);
lakshya 20:949d13045431 508 writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff);
lakshya 20:949d13045431 509 return 0;
lakshya 20:949d13045431 510 }
lakshya 20:949d13045431 511 void init_spi()
lakshya 20:949d13045431 512 {
lakshya 20:949d13045431 513 cs=1; // chip must be deselected
lakshya 20:949d13045431 514 wait(0.1);
lakshya 20:949d13045431 515 spi.format(8,0);
lakshya 20:949d13045431 516 spi.frequency(10000000); //10MHz SCLK
lakshya 20:949d13045431 517 }
lakshya 20:949d13045431 518 void Init_BEACON_HW()
lakshya 20:949d13045431 519 {
lakshya 49:61c9f28332ba 520 pc_bcn.printf("Init HW\n\r");
lakshya 20:949d13045431 521 ERROR_CHECK=0;
lakshya 20:949d13045431 522 wait(0.1);
lakshya 20:949d13045431 523 int BCN_INIT_COUNTER = 1;
lakshya 20:949d13045431 524 while(BCN_INIT_COUNTER)
lakshya 20:949d13045431 525 {
lakshya 20:949d13045431 526 init_spi();
lakshya 49:61c9f28332ba 527 pc_bcn.printf("init spi\r\n");
lakshya 20:949d13045431 528 //should either have a flag for invalid SPI or discard this for actual case or add reset
lakshya 20:949d13045431 529 if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08)
lakshya 20:949d13045431 530 {
lakshya 20:949d13045431 531 pc_bcn.printf("spi connection valid\r\n");
lakshya 20:949d13045431 532 reset_rfm(0);
lakshya 49:61c9f28332ba 533
lakshya 49:61c9f28332ba 534 timer_Set_BCN_TX_STATUS_SUCCESS.reset();
lakshya 49:61c9f28332ba 535 timer_Set_BCN_TX_STATUS_SUCCESS.start();
lakshya 33:76f2b8735501 536 Set_BCN_TX_STATUS(BCN_INIT_SUCCESS);
lakshya 49:61c9f28332ba 537 timer_Set_BCN_TX_STATUS_SUCCESS.stop();
lakshya 49:61c9f28332ba 538
lakshya 20:949d13045431 539 break;
lakshya 20:949d13045431 540 }
lakshya 20:949d13045431 541 else if (BCN_INIT_COUNTER == 1)
lakshya 20:949d13045431 542 {
lakshya 20:949d13045431 543 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 544 reset_rfm(1);
lakshya 20:949d13045431 545 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 546 wait(0.1); //takes time to reset
lakshya 20:949d13045431 547 }
lakshya 20:949d13045431 548 else if (BCN_INIT_COUNTER == 2)
lakshya 20:949d13045431 549 {
lakshya 20:949d13045431 550 pc_bcn.printf("error in spi connection\r\n");
lakshya 20:949d13045431 551 reset_rfm(1);
lakshya 20:949d13045431 552 BCN_TX_SW_STATUS = 0b00000011; //Device disabled
lakshya 20:949d13045431 553 //reset BCN HW using switch here
lakshya 20:949d13045431 554 }
lakshya 20:949d13045431 555 else
lakshya 20:949d13045431 556 {
lakshya 20:949d13045431 557 pc_bcn.printf("BCN_TX_FAILURE\r\n");
lakshya 49:61c9f28332ba 558
lakshya 49:61c9f28332ba 559 timer_Set_BCN_TX_STATUS_FAILURE.reset();
lakshya 49:61c9f28332ba 560 timer_Set_BCN_TX_STATUS_FAILURE.start();
lakshya 33:76f2b8735501 561 Set_BCN_TX_STATUS(BCN_INIT_FAILURE);
lakshya 49:61c9f28332ba 562 timer_Set_BCN_TX_STATUS_FAILURE.stop();
lakshya 49:61c9f28332ba 563
lakshya 20:949d13045431 564 break;
lakshya 20:949d13045431 565 }
lakshya 20:949d13045431 566 BCN_INIT_COUNTER++;
lakshya 20:949d13045431 567 }
lakshya 20:949d13045431 568
lakshya 33:76f2b8735501 569 if(BCN_TX_STATUS == BCN_INIT_SUCCESS)
lakshya 20:949d13045431 570 {
lakshya 20:949d13045431 571 writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset
lakshya 20:949d13045431 572 wait(0.1); //takes time to reset
lakshya 20:949d13045431 573
lakshya 20:949d13045431 574 clearTxBuf();
lakshya 20:949d13045431 575
lakshya 20:949d13045431 576 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 20:949d13045431 577
lakshya 20:949d13045431 578 //txfifoalmostempty
lakshya 20:949d13045431 579 writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30);
lakshya 20:949d13045431 580
lakshya 20:949d13045431 581 //txfifoalmostfull
lakshya 20:949d13045431 582 writereg(RF22_REG_7C_TX_FIFO_CONTROL1,50);
lakshya 20:949d13045431 583
lakshya 20:949d13045431 584
lakshya 20:949d13045431 585 //Packet-engine registers
lakshya 20:949d13045431 586 writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00);
lakshya 20:949d13045431 587
lakshya 20:949d13045431 588 writereg(RF22_REG_33_HEADER_CONTROL2,0x08);
lakshya 20:949d13045431 589 writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00);
lakshya 20:949d13045431 590
lakshya 20:949d13045431 591 writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state
lakshya 20:949d13045431 592 writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state
lakshya 20:949d13045431 593
lakshya 20:949d13045431 594 setFrequency(435.0);
lakshya 20:949d13045431 595
lakshya 20:949d13045431 596 int i=3;
lakshya 20:949d13045431 597 while(i--)
lakshya 20:949d13045431 598 if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00)
lakshya 20:949d13045431 599 {
lakshya 20:949d13045431 600 setFrequency(435.0);
lakshya 20:949d13045431 601 if (i==1)
lakshya 20:949d13045431 602 {pc_bcn.printf("frequency not set properly\r\n");
lakshya 20:949d13045431 603 reset_rfm(1);
lakshya 20:949d13045431 604 }
lakshya 20:949d13045431 605 }
lakshya 20:949d13045431 606
lakshya 20:949d13045431 607 //set Modem Configuration
lakshya 20:949d13045431 608 writereg(RF22_REG_58,0x80);
lakshya 20:949d13045431 609
lakshya 20:949d13045431 610 //Set Data rate - same for both long and short beacon
lakshya 20:949d13045431 611
lakshya 20:949d13045431 612 writereg(RF22_REG_6E_TX_DATA_RATE,0x0A);
lakshya 33:76f2b8735501 613 writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps
lakshya 33:76f2b8735501 614 writereg(RF22_REG_70_MODULATION_CONTROL1,0x20);//For data rates below 30kbps
lakshya 20:949d13045431 615
lakshya 20:949d13045431 616
lakshya 33:76f2b8735501 617 writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//0x21 = FIFO mode with ook demodulation
lakshya 33:76f2b8735501 618
lakshya 20:949d13045431 619
lakshya 20:949d13045431 620 //set tx power
lakshya 20:949d13045431 621 writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm
lakshya 20:949d13045431 622
lakshya 20:949d13045431 623 //TX_packet_length written later
lakshya 20:949d13045431 624 ERROR_CHECK = 0;
lakshya 49:61c9f28332ba 625 pc_bcn.printf("Done Init HW\n\r");
lakshya 20:949d13045431 626 }
lakshya 20:949d13045431 627 }
lakshya 20:949d13045431 628 bool Check_ACK_RECEIVED()
lakshya 20:949d13045431 629 {
lakshya 20:949d13045431 630 if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)
lakshya 20:949d13045431 631 {
lakshya 49:61c9f28332ba 632 pc_bcn.printf("Packet sent: ACK received\r\n");
lakshya 20:949d13045431 633 return 1;
lakshya 20:949d13045431 634 }
lakshya 20:949d13045431 635 else
lakshya 20:949d13045431 636 {
lakshya 20:949d13045431 637 pc_bcn.printf("Packet not sent\r\n");
lakshya 20:949d13045431 638 return 0;
lakshya 20:949d13045431 639 }
lakshya 20:949d13045431 640 }
lakshya 20:949d13045431 641 /*
lakshya 20:949d13045431 642 int main()
lakshya 20:949d13045431 643 {
lakshya 20:949d13045431 644 FCTN_BCN_INIT();
lakshya 20:949d13045431 645
lakshya 20:949d13045431 646 loop.attach(&FCTN_BCN_TX_MAIN, 10.0);//in actual case its 30.0
lakshya 20:949d13045431 647
lakshya 20:949d13045431 648 while(1);
lakshya 20:949d13045431 649
lakshya 20:949d13045431 650 }
lakshya 33:76f2b8735501 651 */
lakshya 33:76f2b8735501 652
lakshya 33:76f2b8735501 653 void FCTN_BCN_SPND_TX()
lakshya 33:76f2b8735501 654 {
lakshya 33:76f2b8735501 655 BCN_SPND_TX = 1;
lakshya 33:76f2b8735501 656 if( BCN_TX_MAIN_STATUS == 1 && BCN_TX_SW_STATUS == 1 )
lakshya 33:76f2b8735501 657 {
lakshya 33:76f2b8735501 658 writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode
lakshya 33:76f2b8735501 659 if( readreg(RF22_REG_07_OPERATING_MODE1) & 0x08 == 0x08 )
lakshya 33:76f2b8735501 660 {
lakshya 33:76f2b8735501 661 BCN_SW = 0;
lakshya 33:76f2b8735501 662 BCN_TX_SW_STATUS = 3;
lakshya 33:76f2b8735501 663 }
lakshya 33:76f2b8735501 664 }
lakshya 33:76f2b8735501 665 }
lakshya 33:76f2b8735501 666