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Dependencies: FreescaleIAP mbed-rtos mbed
Fork of BAE_CODE_MARCH_2017 by
BCN.cpp@40:c2538d97e78b, 2016-07-05 (annotated)
- Committer:
- Bragadeesh153
- Date:
- Tue Jul 05 19:14:06 2016 +0000
- Revision:
- 40:c2538d97e78b
- Parent:
- 39:670133e7ffd8
In out updated , ACK change comm
Who changed what in which revision?
User | Revision | Line number | New 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 | 20:949d13045431 | 8 | Serial pc_bcn(USBTX, USBRX); //tx,rx |
lakshya | 20:949d13045431 | 9 | SPI spi(D11, D12, D13); // mosi, miso, sclk |
lakshya | 39:670133e7ffd8 | 10 | DigitalInOut cs(D10); //slave select or chip select |
lakshya | 20:949d13045431 | 11 | //SPI spi(PIN16, PIN17, PIN15); // mosi, miso, sclk |
lakshya | 20:949d13045431 | 12 | //DigitalOut cs(PIN6); //slave select or chip select |
lakshya | 20:949d13045431 | 13 | Timer t_i;//timer for checking the time taken by (temp.calc. + long_beacon + short_beacon) |
lakshya | 20:949d13045431 | 14 | //Timer t_is;//timer for short_beacon |
lakshya | 20:949d13045431 | 15 | //Timer t_il;//timer for long_beacon |
lakshya | 20:949d13045431 | 16 | Timeout rf_sl_timeout;//RF_silence timer |
lakshya | 20:949d13045431 | 17 | Ticker loop;//for transmitting every 10 secs |
lakshya | 20:949d13045431 | 18 | |
lakshya | 20:949d13045431 | 19 | //GLOBAL VARIABLES |
lakshya | 20:949d13045431 | 20 | uint8_t BCN_INIT_STATUS = 0; |
lakshya | 20:949d13045431 | 21 | uint8_t BCN_TX_MAIN_STATUS = 0; |
lakshya | 20:949d13045431 | 22 | uint8_t BCN_TX_STATUS = 0; |
lakshya | 20:949d13045431 | 23 | uint8_t BCN_TX_ENABLE = 1; //hardcoding for now //check where is this variable toggled?? |
lakshya | 20:949d13045431 | 24 | uint8_t BCN_TX_SW_STATUS = 1; |
lakshya | 20:949d13045431 | 25 | uint8_t BCN_FEN = 0; //hardcoding for now //write this value to flash |
lakshya | 20:949d13045431 | 26 | uint8_t BCN_SPND_TX = 0; //hardcoding for now //check where is this variable toggled?? |
lakshya | 20:949d13045431 | 27 | uint8_t BCN_TMP = 0; // For Temperature |
lakshya | 20:949d13045431 | 28 | uint8_t ERROR_CHECK = 0; |
lakshya | 20:949d13045431 | 29 | 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 | 30 | //This Flag when exceeds a threshold, uC should reset. |
lakshya | 20:949d13045431 | 31 | uint16_t BCN_TX_MAIN_COUNTER = 0; |
lakshya | 33:76f2b8735501 | 32 | uint8_t SHORT_HK_data[15]; |
lakshya | 33:76f2b8735501 | 33 | extern uint8_t BCN_LONG_MSG_TYPE; |
lakshya | 33:76f2b8735501 | 34 | extern uint8_t LONG_HK_data[2][134]; |
Bragadeesh153 | 40:c2538d97e78b | 35 | extern DigitalOut BCN_SW; |
lakshya | 33:76f2b8735501 | 36 | extern float EPS_BTRY_TMP_AVG; |
lakshya | 33:76f2b8735501 | 37 | |
lakshya | 33:76f2b8735501 | 38 | extern BAE_HK_quant quant_data; |
lakshya | 33:76f2b8735501 | 39 | extern uint8_t BAE_RESET_COUNTER; |
lakshya | 33:76f2b8735501 | 40 | extern Timer BAE_uptime; |
lakshya | 33:76f2b8735501 | 41 | extern Timer I2C_last; |
lakshya | 33:76f2b8735501 | 42 | extern void RETURN_UPTIME(float,uint8_t*,uint8_t*,uint8_t*); |
Bragadeesh153 | 40:c2538d97e78b | 43 | extern DigitalIn CDMS_OC_FAULT; |
Bragadeesh153 | 40:c2538d97e78b | 44 | extern DigitalOut EPS_CHARGER_STATUS; |
lakshya | 33:76f2b8735501 | 45 | extern uint8_t crc8_short(); |
lakshya | 33:76f2b8735501 | 46 | |
lakshya | 33:76f2b8735501 | 47 | void SHORT_HK_data_AQ() |
lakshya | 33:76f2b8735501 | 48 | { |
lakshya | 33:76f2b8735501 | 49 | uint8_t days,hours,mins;//for calculating the timing data in bae i2c uptime |
lakshya | 33:76f2b8735501 | 50 | |
lakshya | 33:76f2b8735501 | 51 | //1st 0-7 call sign |
lakshya | 33:76f2b8735501 | 52 | //SHORT_HK_data[0] _ SHORT_HK_data[6] |
lakshya | 33:76f2b8735501 | 53 | |
lakshya | 33:76f2b8735501 | 54 | SHORT_HK_data[7] = quant_data.voltage_quant[15]; |
lakshya | 33:76f2b8735501 | 55 | SHORT_HK_data[7] = (SHORT_HK_data[7] & 0xF0) | (quant_data.current_quant[1]>>4); |
lakshya | 33:76f2b8735501 | 56 | //braga SHORT_HK_data[8] = acs first 4 bit |
lakshya | 33:76f2b8735501 | 57 | SHORT_HK_data[8] = (SHORT_HK_data[8] & 0xF0) | BCN_TMP>>4; |
lakshya | 33:76f2b8735501 | 58 | //SHORT_HK_data[9] = float_to_uint8(min,max,EPS_BTRY_TMP_AVG); min max diss azad |
lakshya | 33:76f2b8735501 | 59 | SHORT_HK_data[9] = (SHORT_HK_data[9]&0xF0) | BAE_RESET_COUNTER>>4; |
lakshya | 33:76f2b8735501 | 60 | |
lakshya | 33:76f2b8735501 | 61 | RETURN_UPTIME(BAE_uptime.read(),&days,&hours,&mins); |
lakshya | 33:76f2b8735501 | 62 | SHORT_HK_data[10] = CDMS_OC_FAULT; |
lakshya | 33:76f2b8735501 | 63 | //SHORT_HK_data[10] = (1<<SHORT_HK_data[10]) | receiver_oc_fault//to be diss; |
lakshya | 33:76f2b8735501 | 64 | SHORT_HK_data[10] = (SHORT_HK_data[10]<<1) | ((quant_data.voltage_quant[12]>>2)&0x3C); |
lakshya | 33:76f2b8735501 | 65 | SHORT_HK_data[10] = (SHORT_HK_data[10]<<2) | ((days>>3)&0x03); |
lakshya | 33:76f2b8735501 | 66 | SHORT_HK_data[11] = (days<<5) | (hours&0x1F); |
lakshya | 33:76f2b8735501 | 67 | |
lakshya | 33:76f2b8735501 | 68 | RETURN_UPTIME(I2C_last.read(),&days,&hours,&mins); |
lakshya | 33:76f2b8735501 | 69 | SHORT_HK_data[12] = EPS_CHARGER_STATUS; |
lakshya | 33:76f2b8735501 | 70 | SHORT_HK_data[12] = (SHORT_HK_data[12]<<4) | (quant_data.voltage_quant[13]>>4); |
lakshya | 33:76f2b8735501 | 71 | SHORT_HK_data[12] = (SHORT_HK_data[12]<<3) | (days>>2); |
lakshya | 33:76f2b8735501 | 72 | SHORT_HK_data[13] = (days<<6) | (mins&0x3F); |
lakshya | 33:76f2b8735501 | 73 | |
lakshya | 33:76f2b8735501 | 74 | SHORT_HK_data[14] = crc8_short(); |
lakshya | 33:76f2b8735501 | 75 | } |
lakshya | 20:949d13045431 | 76 | |
lakshya | 20:949d13045431 | 77 | void FCTN_BCN_INIT() |
lakshya | 20:949d13045431 | 78 | { |
lakshya | 20:949d13045431 | 79 | pc_bcn.printf("FCTN_BCN_INIT\n"); |
lakshya | 20:949d13045431 | 80 | BCN_INIT_STATUS = 1; |
lakshya | 33:76f2b8735501 | 81 | if( BCN_TX_SW_STATUS == 0b00000001) |
lakshya | 20:949d13045431 | 82 | Init_BEACON_HW(); |
lakshya | 20:949d13045431 | 83 | else Set_BCN_TX_STATUS(BCN_TX_DISABLED); |
lakshya | 33:76f2b8735501 | 84 | // if(BCN_FEN == 0)//BCN_FEN is in flash |
lakshya | 33:76f2b8735501 | 85 | // rf_sl_timeout.attach(&FCTN_BCN_FEN, RF_SILENCE_TIME); |
lakshya | 20:949d13045431 | 86 | BCN_INIT_STATUS = 0; |
lakshya | 20:949d13045431 | 87 | } |
lakshya | 20:949d13045431 | 88 | |
lakshya | 20:949d13045431 | 89 | extern uint32_t FCTN_BAE_RD_FLASH_ENTITY(uint16_t); |
lakshya | 20:949d13045431 | 90 | extern void FCTN_BAE_WR_FLASH(uint16_t ,uint32_t ); |
lakshya | 20:949d13045431 | 91 | |
lakshya | 20:949d13045431 | 92 | void FCTN_BCN_FEN(const void*) |
lakshya | 20:949d13045431 | 93 | { |
lakshya | 20:949d13045431 | 94 | pc_bcn.printf("FCTN_FEN\n\r"); |
lakshya | 20:949d13045431 | 95 | BCN_FEN = 1;//write this value to flash |
lakshya | 20:949d13045431 | 96 | uint32_t FLASH_DATA; |
lakshya | 20:949d13045431 | 97 | FLASH_DATA = FCTN_BAE_RD_FLASH_ENTITY(0); |
lakshya | 27:61c856be467e | 98 | FLASH_DATA = (FLASH_DATA | 0x00000800);//see if uint8 to uint32 conversion works |
lakshya | 20:949d13045431 | 99 | FCTN_BAE_WR_FLASH(0,FLASH_DATA); |
lakshya | 20:949d13045431 | 100 | } |
lakshya | 20:949d13045431 | 101 | void FCTN_BCN_TX_MAIN() |
lakshya | 20:949d13045431 | 102 | { |
lakshya | 20:949d13045431 | 103 | ERROR_CHECK=0; |
lakshya | 20:949d13045431 | 104 | pc_bcn.printf("\n\nFCTN_BCN_TX_MAIN\n\r"); |
lakshya | 20:949d13045431 | 105 | t_i.start(); |
lakshya | 20:949d13045431 | 106 | int begin = t_i.read_us(); |
lakshya | 20:949d13045431 | 107 | //int begins,beginl,endl; |
lakshya | 20:949d13045431 | 108 | int begintx,endtx; |
lakshya | 20:949d13045431 | 109 | BCN_TX_MAIN_STATUS = 1; |
lakshya | 20:949d13045431 | 110 | BCN_TX_MAIN_COUNTER++; |
lakshya | 20:949d13045431 | 111 | if(BCN_FEN == 1) |
lakshya | 20:949d13045431 | 112 | { |
lakshya | 20:949d13045431 | 113 | if(BCN_TX_SW_STATUS == 0b00000001) |
lakshya | 20:949d13045431 | 114 | { |
lakshya | 33:76f2b8735501 | 115 | Init_BEACON_HW(); |
lakshya | 33:76f2b8735501 | 116 | if( BCN_TX_STATUS == BCN_INIT_SUCCESS ) |
lakshya | 20:949d13045431 | 117 | { |
lakshya | 33:76f2b8735501 | 118 | //Measure and store BCN temperature in BCN_TS_BUFFER |
lakshya | 33:76f2b8735501 | 119 | uint8_t temp_temp = check_Temperature(); |
lakshya | 33:76f2b8735501 | 120 | if( temp_temp != 0xFF ) |
lakshya | 33:76f2b8735501 | 121 | BCN_TMP = temp_temp; |
lakshya | 33:76f2b8735501 | 122 | pc_bcn.printf("temperature = %d\n\r",BCN_TMP); |
lakshya | 33:76f2b8735501 | 123 | //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER |
lakshya | 33:76f2b8735501 | 124 | if(BCN_SPND_TX == 1 ) |
lakshya | 33:76f2b8735501 | 125 | { |
lakshya | 33:76f2b8735501 | 126 | Set_BCN_TX_STATUS(BCN_TX_SUSPENDED); |
lakshya | 33:76f2b8735501 | 127 | BCN_TX_MAIN_STATUS = 0; |
lakshya | 33:76f2b8735501 | 128 | } |
lakshya | 33:76f2b8735501 | 129 | else |
lakshya | 33:76f2b8735501 | 130 | { |
lakshya | 20:949d13045431 | 131 | //transmit short beacon and long beacon |
lakshya | 20:949d13045431 | 132 | begintx = t_i.read_us(); |
lakshya | 20:949d13045431 | 133 | BCN_TX(); |
lakshya | 20:949d13045431 | 134 | endtx = t_i.read_us(); |
lakshya | 33:76f2b8735501 | 135 | |
lakshya | 20:949d13045431 | 136 | if(Check_ACK_RECEIVED() == 1) |
lakshya | 20:949d13045431 | 137 | { |
lakshya | 20:949d13045431 | 138 | Set_BCN_TX_STATUS(BCN_TX_SUCCESS); |
lakshya | 20:949d13045431 | 139 | BCN_TX_MAIN_STATUS = 0; |
lakshya | 20:949d13045431 | 140 | } |
lakshya | 20:949d13045431 | 141 | else |
lakshya | 20:949d13045431 | 142 | { |
lakshya | 33:76f2b8735501 | 143 | Set_BCN_TX_STATUS(BCN_TX_FAILURE); |
lakshya | 33:76f2b8735501 | 144 | //BCN_FAIL_COUNT++; |
lakshya | 33:76f2b8735501 | 145 | //Init_BEACON_HW(); |
lakshya | 20:949d13045431 | 146 | BCN_TX_MAIN_STATUS = 0; |
lakshya | 33:76f2b8735501 | 147 | |
lakshya | 20:949d13045431 | 148 | } |
lakshya | 33:76f2b8735501 | 149 | } |
lakshya | 33:76f2b8735501 | 150 | } |
lakshya | 20:949d13045431 | 151 | } |
lakshya | 20:949d13045431 | 152 | else |
lakshya | 20:949d13045431 | 153 | { |
lakshya | 20:949d13045431 | 154 | Set_BCN_TX_STATUS(BCN_TX_DISABLED); |
lakshya | 20:949d13045431 | 155 | BCN_TX_MAIN_STATUS = 0; |
lakshya | 20:949d13045431 | 156 | } |
lakshya | 20:949d13045431 | 157 | } |
lakshya | 20:949d13045431 | 158 | else |
lakshya | 20:949d13045431 | 159 | { |
lakshya | 20:949d13045431 | 160 | Set_BCN_TX_STATUS(BCN_RF_SILENCE); //Window of RF Silence: None of the Txs should be on. |
lakshya | 20:949d13045431 | 161 | BCN_TX_MAIN_STATUS = 0; |
lakshya | 20:949d13045431 | 162 | } |
lakshya | 20:949d13045431 | 163 | t_i.stop(); |
lakshya | 20:949d13045431 | 164 | int end = t_i.read_us(); |
lakshya | 20:949d13045431 | 165 | pc_bcn.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin); |
lakshya | 20:949d13045431 | 166 | pc_bcn.printf("The time required for FCTN_BCN_TX is %d useconds\r\n", endtx-begintx); |
lakshya | 20:949d13045431 | 167 | /* |
lakshya | 20:949d13045431 | 168 | pc_bcn.printf("The time required for Short_BCN is %d useconds\r\n", beginl-begins); |
lakshya | 20:949d13045431 | 169 | pc_bcn.printf("The time required for Long_BCN is %d useconds\r\n", endtx-beginl); |
lakshya | 20:949d13045431 | 170 | */ |
lakshya | 20:949d13045431 | 171 | ERROR_CHECK = 0; |
lakshya | 20:949d13045431 | 172 | |
lakshya | 20:949d13045431 | 173 | } |
lakshya | 20:949d13045431 | 174 | |
lakshya | 20:949d13045431 | 175 | void Set_BCN_TX_STATUS(uint8_t STATUS) |
lakshya | 20:949d13045431 | 176 | { |
lakshya | 20:949d13045431 | 177 | BCN_TX_STATUS = STATUS; |
lakshya | 20:949d13045431 | 178 | } |
lakshya | 20:949d13045431 | 179 | |
lakshya | 20:949d13045431 | 180 | uint8_t check_Temperature() |
lakshya | 20:949d13045431 | 181 | { |
lakshya | 20:949d13045431 | 182 | uint8_t temperature; |
lakshya | 20:949d13045431 | 183 | writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00);//set ADC to temp measurement |
lakshya | 33:76f2b8735501 | 184 | writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x60);//measure in degree celsius |
lakshya | 20:949d13045431 | 185 | writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80);//start adc |
lakshya | 20:949d13045431 | 186 | wait(0.1); |
lakshya | 33:76f2b8735501 | 187 | if( readreg(RF22_REG_0F_ADC_CONFIGURATION) & 0x80 == 0x00 ) |
lakshya | 33:76f2b8735501 | 188 | { |
lakshya | 33:76f2b8735501 | 189 | temperature = readreg(RF22_REG_11_ADC_Value); |
lakshya | 33:76f2b8735501 | 190 | temperature = (float)temperature - 64; //* 0.5 factor |
lakshya | 33:76f2b8735501 | 191 | } |
lakshya | 33:76f2b8735501 | 192 | else temperature = 0xFF; |
lakshya | 33:76f2b8735501 | 193 | // temperature = (float)temperature*0.5 - 64; |
lakshya | 20:949d13045431 | 194 | return temperature; |
lakshya | 20:949d13045431 | 195 | } |
lakshya | 33:76f2b8735501 | 196 | |
lakshya | 33:76f2b8735501 | 197 | uint32_t timeout_count; |
lakshya | 20:949d13045431 | 198 | void BCN_TX() |
lakshya | 20:949d13045431 | 199 | { |
lakshya | 20:949d13045431 | 200 | printf("BCN_TX\n\r"); |
lakshya | 20:949d13045431 | 201 | writereg(RF22_REG_6E_TX_DATA_RATE,0x0A); |
lakshya | 20:949d13045431 | 202 | writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps |
lakshya | 20:949d13045431 | 203 | |
lakshya | 20:949d13045431 | 204 | wait(0.02); |
lakshya | 20:949d13045431 | 205 | |
lakshya | 33:76f2b8735501 | 206 | timeout_count = 10e5; |
lakshya | 20:949d13045431 | 207 | //extract values from short_beacon[] |
lakshya | 33:76f2b8735501 | 208 | /* |
lakshya | 20:949d13045431 | 209 | uint8_t Long_beacon[LONG_TX_DATA]; |
lakshya | 20:949d13045431 | 210 | for(int i = 0;i<LONG_TX_DATA;i++) |
lakshya | 20:949d13045431 | 211 | { |
lakshya | 20:949d13045431 | 212 | Long_beacon[i] = 0xFF; |
lakshya | 20:949d13045431 | 213 | } |
lakshya | 20:949d13045431 | 214 | |
lakshya | 20:949d13045431 | 215 | struct Short_beacon |
lakshya | 20:949d13045431 | 216 | { |
lakshya | 20:949d13045431 | 217 | uint8_t Voltage[1]; |
lakshya | 20:949d13045431 | 218 | uint8_t AngularSpeed[2]; |
lakshya | 20:949d13045431 | 219 | uint8_t SubsystemStatus[1]; |
lakshya | 20:949d13045431 | 220 | uint8_t Temp[3]; |
lakshya | 20:949d13045431 | 221 | uint8_t ErrorFlag[1]; |
lakshya | 20:949d13045431 | 222 | }Shortbeacon = { {0xFF}, {0xFF, 0xFF} , {0xFF},{0xFF,0xFF,0xFF}, {0xFF} }; |
lakshya | 20:949d13045431 | 223 | |
lakshya | 20:949d13045431 | 224 | //filling hk data |
lakshya | 20:949d13045431 | 225 | //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 | 226 | 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 | 227 | |
lakshya | 20:949d13045431 | 228 | //writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode ?? |
lakshya | 33:76f2b8735501 | 229 | */ |
lakshya | 20:949d13045431 | 230 | clearTxBuf(); //writing data first time |
lakshya | 20:949d13045431 | 231 | |
lakshya | 33:76f2b8735501 | 232 | int byte_counter; |
lakshya | 20:949d13045431 | 233 | uint8_t onebyte[4] = {0x81,0xA6,0xBE,0x4E}; |
lakshya | 20:949d13045431 | 234 | uint8_t zerobyte[4] = {0x7E,0x59,0x41,0xB1}; |
lakshya | 20:949d13045431 | 235 | for (byte_counter = 0; byte_counter <15 ; byte_counter++) |
lakshya | 20:949d13045431 | 236 | { |
lakshya | 20:949d13045431 | 237 | for(int j = 7; j >= 0 ; j--) |
lakshya | 20:949d13045431 | 238 | { |
lakshya | 20:949d13045431 | 239 | cs = 0; |
lakshya | 20:949d13045431 | 240 | spi.write(0xFF); |
lakshya | 33:76f2b8735501 | 241 | if((SHORT_HK_data[byte_counter] & (uint8_t) pow(2.0,j))!= pow(2.0,j)) |
lakshya | 20:949d13045431 | 242 | { |
lakshya | 20:949d13045431 | 243 | //byte=0x00; |
lakshya | 20:949d13045431 | 244 | spi.write(zerobyte[0]); |
lakshya | 20:949d13045431 | 245 | spi.write(zerobyte[1]); |
lakshya | 20:949d13045431 | 246 | spi.write(zerobyte[2]); |
lakshya | 20:949d13045431 | 247 | spi.write(zerobyte[3]); |
lakshya | 20:949d13045431 | 248 | } |
lakshya | 20:949d13045431 | 249 | else |
lakshya | 20:949d13045431 | 250 | { |
lakshya | 20:949d13045431 | 251 | //byte=0xFF; |
lakshya | 20:949d13045431 | 252 | spi.write(onebyte[0]); |
lakshya | 20:949d13045431 | 253 | spi.write(onebyte[1]); |
lakshya | 20:949d13045431 | 254 | spi.write(onebyte[2]); |
lakshya | 20:949d13045431 | 255 | spi.write(onebyte[3]); |
lakshya | 20:949d13045431 | 256 | } |
lakshya | 20:949d13045431 | 257 | cs = 1; |
lakshya | 20:949d13045431 | 258 | /* |
lakshya | 20:949d13045431 | 259 | spi.write(byte); |
lakshya | 20:949d13045431 | 260 | spi.write(byte); |
lakshya | 20:949d13045431 | 261 | spi.write(byte); |
lakshya | 20:949d13045431 | 262 | spi.write(byte); //Each bit is written 32 times |
lakshya | 20:949d13045431 | 263 | */ |
lakshya | 33:76f2b8735501 | 264 | // byte_count+=4; |
lakshya | 20:949d13045431 | 265 | |
lakshya | 20:949d13045431 | 266 | } |
lakshya | 20:949d13045431 | 267 | |
lakshya | 20:949d13045431 | 268 | if(byte_counter == 1) |
lakshya | 33:76f2b8735501 | 269 | if(BCN_SPND_TX != 1) //Check for flag update by COM |
lakshya | 33:76f2b8735501 | 270 | { |
lakshya | 33:76f2b8735501 | 271 | //Set to Tx mode |
lakshya | 33:76f2b8735501 | 272 | writereg(RF22_REG_07_OPERATING_MODE1,0x08); //txon |
lakshya | 33:76f2b8735501 | 273 | wait(0.1);// takes time to set to tx mode hence the delay of 0.1. |
lakshya | 33:76f2b8735501 | 274 | } |
lakshya | 33:76f2b8735501 | 275 | |
lakshya | 20:949d13045431 | 276 | //testing level |
lakshya | 20:949d13045431 | 277 | /*if(byte_counter > 0) |
lakshya | 20:949d13045431 | 278 | while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else |
lakshya | 20:949d13045431 | 279 | { |
lakshya | 20:949d13045431 | 280 | pc_bcn.printf("w_f_empty1\n\r"); |
lakshya | 20:949d13045431 | 281 | //reset_rfm(1); |
lakshya | 20:949d13045431 | 282 | }*/ |
lakshya | 20:949d13045431 | 283 | |
lakshya | 20:949d13045431 | 284 | |
lakshya | 20:949d13045431 | 285 | //Check for fifoThresh |
lakshya | 20:949d13045431 | 286 | |
lakshya | 20:949d13045431 | 287 | if(byte_counter > 0) |
lakshya | 20:949d13045431 | 288 | { |
lakshya | 33:76f2b8735501 | 289 | wait_ms(25); |
lakshya | 33:76f2b8735501 | 290 | while( timeout_count --)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1); |
lakshya | 33:76f2b8735501 | 291 | { |
lakshya | 33:76f2b8735501 | 292 | //pc_bcn.printf("w_f_empty\n"); |
lakshya | 33:76f2b8735501 | 293 | //reset_rfm(1); |
lakshya | 33:76f2b8735501 | 294 | } |
lakshya | 33:76f2b8735501 | 295 | timeout_count = 10e5; |
lakshya | 20:949d13045431 | 296 | } |
lakshya | 20:949d13045431 | 297 | |
lakshya | 20:949d13045431 | 298 | /* if(byte_counter%2==0 && byte_counter) |
lakshya | 20:949d13045431 | 299 | while(1)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else |
lakshya | 20:949d13045431 | 300 | { |
lakshya | 20:949d13045431 | 301 | pc_bcn.printf("W = %d\r\n",byte_counter); |
lakshya | 20:949d13045431 | 302 | }*/ |
lakshya | 20:949d13045431 | 303 | //pc_bcn.printf("W = %d\r\n",byte_counter); |
lakshya | 20:949d13045431 | 304 | } |
lakshya | 20:949d13045431 | 305 | |
lakshya | 33:76f2b8735501 | 306 | for(byte_counter = 15;byte_counter<149;byte_counter++) |
lakshya | 20:949d13045431 | 307 | { |
lakshya | 20:949d13045431 | 308 | cs = 0; |
lakshya | 20:949d13045431 | 309 | spi.write(0xFF); |
lakshya | 33:76f2b8735501 | 310 | spi.write(LONG_HK_data[BCN_LONG_MSG_TYPE][byte_counter-15]); |
lakshya | 20:949d13045431 | 311 | cs = 1; |
lakshya | 20:949d13045431 | 312 | |
lakshya | 20:949d13045431 | 313 | if((byte_counter-15)%32==0) |
lakshya | 20:949d13045431 | 314 | { //Check for fifoThresh |
lakshya | 20:949d13045431 | 315 | wait_ms(25); |
lakshya | 33:76f2b8735501 | 316 | while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) reset_rfm(1); |
lakshya | 20:949d13045431 | 317 | { |
lakshya | 20:949d13045431 | 318 | //pc_bcn.printf("Reset\n"); |
lakshya | 20:949d13045431 | 319 | //reset_rfm(1); |
lakshya | 20:949d13045431 | 320 | } |
lakshya | 20:949d13045431 | 321 | } |
lakshya | 20:949d13045431 | 322 | |
lakshya | 20:949d13045431 | 323 | } |
lakshya | 20:949d13045431 | 324 | wait_ms(70); |
lakshya | 20:949d13045431 | 325 | //Check for fifoThresh |
lakshya | 33:76f2b8735501 | 326 | while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x40) == 0x00)break;else if(timeout_count == 1) reset_rfm(1); |
lakshya | 20:949d13045431 | 327 | { |
lakshya | 20:949d13045431 | 328 | pc_bcn.printf("Waiting for fifo to empty\r\n"); |
lakshya | 20:949d13045431 | 329 | } |
lakshya | 20:949d13045431 | 330 | |
lakshya | 20:949d13045431 | 331 | //Check for packetsent interrupt |
lakshya | 20:949d13045431 | 332 | while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break;else if(timeout_count == 1) reset_rfm(1); |
lakshya | 20:949d13045431 | 333 | |
lakshya | 20:949d13045431 | 334 | //pc_bcn.printf("Short packet sent, bytes written = %d\r\n",byte_count); |
lakshya | 20:949d13045431 | 335 | |
lakshya | 20:949d13045431 | 336 | writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode |
lakshya | 20:949d13045431 | 337 | |
lakshya | 20:949d13045431 | 338 | } |
lakshya | 20:949d13045431 | 339 | #if 0 |
lakshya | 20:949d13045431 | 340 | void LONG_BCN_TX() |
lakshya | 20:949d13045431 | 341 | { |
lakshya | 20:949d13045431 | 342 | /* |
lakshya | 20:949d13045431 | 343 | writereg(RF22_REG_6E_TX_DATA_RATE,0x04); |
lakshya | 20:949d13045431 | 344 | writereg(RF22_REG_6F_TX_DATA_RATE,0xEA);//600 bps |
lakshya | 20:949d13045431 | 345 | */ |
lakshya | 20:949d13045431 | 346 | writereg(RF22_REG_3E_PACKET_LENGTH,LONG_TX_DATA); //long packet length |
lakshya | 20:949d13045431 | 347 | wait(0.02); |
lakshya | 20:949d13045431 | 348 | uint32_t timeout_count=10e5; |
lakshya | 20:949d13045431 | 349 | |
lakshya | 20:949d13045431 | 350 | //get long_beacon array |
lakshya | 20:949d13045431 | 351 | |
lakshya | 20:949d13045431 | 352 | uint8_t Long_beacon[LONG_TX_DATA]; |
lakshya | 20:949d13045431 | 353 | for(int i = 0;i<LONG_TX_DATA;i++) |
lakshya | 20:949d13045431 | 354 | { |
lakshya | 20:949d13045431 | 355 | Long_beacon[i] = 0xFF; |
lakshya | 20:949d13045431 | 356 | } |
lakshya | 20:949d13045431 | 357 | |
lakshya | 20:949d13045431 | 358 | clearTxBuf(); |
lakshya | 20:949d13045431 | 359 | //writing data first time |
lakshya | 20:949d13045431 | 360 | cs = 0; |
lakshya | 20:949d13045431 | 361 | spi.write(0xFF); |
lakshya | 20:949d13045431 | 362 | for(int i=0; i<64;i++) |
lakshya | 20:949d13045431 | 363 | { |
lakshya | 20:949d13045431 | 364 | spi.write(Long_beacon[i]); |
lakshya | 20:949d13045431 | 365 | } |
lakshya | 20:949d13045431 | 366 | cs = 1; |
lakshya | 20:949d13045431 | 367 | |
lakshya | 20:949d13045431 | 368 | //Set to Tx mode |
lakshya | 20:949d13045431 | 369 | writereg(RF22_REG_07_OPERATING_MODE1,0x08); |
lakshya | 20:949d13045431 | 370 | wait(0.1);//necessary |
lakshya | 20:949d13045431 | 371 | |
lakshya | 20:949d13045431 | 372 | //Check for fifoThresh |
lakshya | 20:949d13045431 | 373 | while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) |
lakshya | 20:949d13045431 | 374 | { |
lakshya | 20:949d13045431 | 375 | pc_bcn.printf("Reset\n"); |
lakshya | 20:949d13045431 | 376 | reset_rfm(1); |
lakshya | 20:949d13045431 | 377 | } |
lakshya | 20:949d13045431 | 378 | timeout_count=10e5; |
lakshya | 20:949d13045431 | 379 | |
lakshya | 20:949d13045431 | 380 | cs = 0; |
lakshya | 20:949d13045431 | 381 | spi.write(0xFF); |
lakshya | 20:949d13045431 | 382 | for(int i=64; i<127;i++) |
lakshya | 20:949d13045431 | 383 | { |
lakshya | 20:949d13045431 | 384 | spi.write(Long_beacon[i]); |
lakshya | 20:949d13045431 | 385 | } |
lakshya | 20:949d13045431 | 386 | cs = 1; |
lakshya | 20:949d13045431 | 387 | wait(0.1); |
lakshya | 20:949d13045431 | 388 | //Check for fifoThresh |
lakshya | 20:949d13045431 | 389 | while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break;else if(timeout_count == 1) |
lakshya | 20:949d13045431 | 390 | { |
lakshya | 20:949d13045431 | 391 | pc_bcn.printf("Reset\n"); |
lakshya | 20:949d13045431 | 392 | reset_rfm(1);} |
lakshya | 20:949d13045431 | 393 | timeout_count=10e5; |
lakshya | 20:949d13045431 | 394 | |
lakshya | 20:949d13045431 | 395 | //Check for packetsent interrupt |
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("Long packet sent\r\n"); |
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 | #endif |
lakshya | 20:949d13045431 | 403 | void reset_rfm(uint8_t fl) |
lakshya | 20:949d13045431 | 404 | { |
lakshya | 20:949d13045431 | 405 | if (fl ==1 && ERROR_CHECK ==0) |
lakshya | 20:949d13045431 | 406 | { BCN_FAIL_COUNT++; |
lakshya | 20:949d13045431 | 407 | ERROR_CHECK=1; |
lakshya | 20:949d13045431 | 408 | printf("BCN_FAIL_COUNT++\n"); |
lakshya | 20:949d13045431 | 409 | } |
lakshya | 20:949d13045431 | 410 | else if(fl == 0) |
lakshya | 20:949d13045431 | 411 | { |
lakshya | 20:949d13045431 | 412 | BCN_FAIL_COUNT = 0; |
lakshya | 20:949d13045431 | 413 | ERROR_CHECK=0; |
lakshya | 20:949d13045431 | 414 | } |
lakshya | 20:949d13045431 | 415 | } |
lakshya | 20:949d13045431 | 416 | void writereg(uint8_t reg,uint8_t val) |
lakshya | 20:949d13045431 | 417 | { |
lakshya | 20:949d13045431 | 418 | |
lakshya | 20:949d13045431 | 419 | uint8_t count = 0; |
lakshya | 20:949d13045431 | 420 | for(;;count++) |
lakshya | 20:949d13045431 | 421 | { |
lakshya | 20:949d13045431 | 422 | int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1; |
lakshya | 20:949d13045431 | 423 | if(reg != 0x7 && reg != 0x58 && reg != 0xF) |
lakshya | 20:949d13045431 | 424 | { |
lakshya | 20:949d13045431 | 425 | read_val = readreg(reg); |
lakshya | 20:949d13045431 | 426 | if (read_val == val) |
lakshya | 20:949d13045431 | 427 | { |
lakshya | 20:949d13045431 | 428 | break; |
lakshya | 20:949d13045431 | 429 | } |
lakshya | 33:76f2b8735501 | 430 | else if(count == 2) |
lakshya | 20:949d13045431 | 431 | { |
lakshya | 20:949d13045431 | 432 | reset_rfm(1); printf("reg = 0x%X\n",reg);break; |
lakshya | 20:949d13045431 | 433 | } |
lakshya | 20:949d13045431 | 434 | else init_spi(); |
lakshya | 20:949d13045431 | 435 | } |
lakshya | 20:949d13045431 | 436 | else |
lakshya | 20:949d13045431 | 437 | break; |
lakshya | 20:949d13045431 | 438 | } |
lakshya | 20:949d13045431 | 439 | } |
lakshya | 20:949d13045431 | 440 | uint8_t readreg(uint8_t reg) |
lakshya | 20:949d13045431 | 441 | { |
lakshya | 20:949d13045431 | 442 | uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val; |
lakshya | 20:949d13045431 | 443 | } |
lakshya | 20:949d13045431 | 444 | void clearTxBuf() |
lakshya | 20:949d13045431 | 445 | { |
lakshya | 20:949d13045431 | 446 | writereg(RF22_REG_08_OPERATING_MODE2,0x01); |
lakshya | 20:949d13045431 | 447 | writereg(RF22_REG_08_OPERATING_MODE2,0x00); |
lakshya | 20:949d13045431 | 448 | } |
lakshya | 20:949d13045431 | 449 | uint8_t setFrequency(double centre) |
lakshya | 20:949d13045431 | 450 | { |
lakshya | 20:949d13045431 | 451 | uint8_t fbsel = 0x40; |
lakshya | 20:949d13045431 | 452 | if (centre >= 480.0) { |
lakshya | 20:949d13045431 | 453 | centre /= 2; |
lakshya | 20:949d13045431 | 454 | fbsel |= 0x20; |
lakshya | 20:949d13045431 | 455 | } |
lakshya | 20:949d13045431 | 456 | centre /= 10.0; |
lakshya | 20:949d13045431 | 457 | double integerPart = floor(centre); |
lakshya | 20:949d13045431 | 458 | double fractionalPart = centre - integerPart; |
lakshya | 20:949d13045431 | 459 | |
lakshya | 20:949d13045431 | 460 | uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23 |
lakshya | 20:949d13045431 | 461 | fbsel |= fb; |
lakshya | 20:949d13045431 | 462 | uint16_t fc = fractionalPart * 64000; |
lakshya | 20:949d13045431 | 463 | writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT |
lakshya | 20:949d13045431 | 464 | writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0); |
lakshya | 20:949d13045431 | 465 | writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel); |
lakshya | 20:949d13045431 | 466 | writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8); |
lakshya | 20:949d13045431 | 467 | writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff); |
lakshya | 20:949d13045431 | 468 | return 0; |
lakshya | 20:949d13045431 | 469 | } |
lakshya | 20:949d13045431 | 470 | void init_spi() |
lakshya | 20:949d13045431 | 471 | { |
lakshya | 20:949d13045431 | 472 | cs=1; // chip must be deselected |
lakshya | 20:949d13045431 | 473 | wait(0.1); |
lakshya | 20:949d13045431 | 474 | spi.format(8,0); |
lakshya | 20:949d13045431 | 475 | spi.frequency(10000000); //10MHz SCLK |
lakshya | 20:949d13045431 | 476 | } |
lakshya | 20:949d13045431 | 477 | void Init_BEACON_HW() |
lakshya | 20:949d13045431 | 478 | { |
lakshya | 20:949d13045431 | 479 | printf("Init HW\n\r"); |
lakshya | 20:949d13045431 | 480 | ERROR_CHECK=0; |
lakshya | 20:949d13045431 | 481 | wait(0.1); |
lakshya | 20:949d13045431 | 482 | int BCN_INIT_COUNTER = 1; |
lakshya | 20:949d13045431 | 483 | while(BCN_INIT_COUNTER) |
lakshya | 20:949d13045431 | 484 | { |
lakshya | 20:949d13045431 | 485 | init_spi(); |
lakshya | 20:949d13045431 | 486 | printf("init spi\r\n"); |
lakshya | 20:949d13045431 | 487 | //should either have a flag for invalid SPI or discard this for actual case or add reset |
lakshya | 20:949d13045431 | 488 | if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08) |
lakshya | 20:949d13045431 | 489 | { |
lakshya | 20:949d13045431 | 490 | pc_bcn.printf("spi connection valid\r\n"); |
lakshya | 20:949d13045431 | 491 | reset_rfm(0); |
lakshya | 33:76f2b8735501 | 492 | Set_BCN_TX_STATUS(BCN_INIT_SUCCESS); |
lakshya | 20:949d13045431 | 493 | break; |
lakshya | 20:949d13045431 | 494 | } |
lakshya | 20:949d13045431 | 495 | else if (BCN_INIT_COUNTER == 1) |
lakshya | 20:949d13045431 | 496 | { |
lakshya | 20:949d13045431 | 497 | pc_bcn.printf("error in spi connection\r\n"); |
lakshya | 20:949d13045431 | 498 | reset_rfm(1); |
lakshya | 20:949d13045431 | 499 | writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset |
lakshya | 20:949d13045431 | 500 | wait(0.1); //takes time to reset |
lakshya | 20:949d13045431 | 501 | } |
lakshya | 20:949d13045431 | 502 | else if (BCN_INIT_COUNTER == 2) |
lakshya | 20:949d13045431 | 503 | { |
lakshya | 20:949d13045431 | 504 | pc_bcn.printf("error in spi connection\r\n"); |
lakshya | 20:949d13045431 | 505 | reset_rfm(1); |
lakshya | 20:949d13045431 | 506 | BCN_TX_SW_STATUS = 0b00000011; //Device disabled |
lakshya | 20:949d13045431 | 507 | //reset BCN HW using switch here |
lakshya | 20:949d13045431 | 508 | } |
lakshya | 20:949d13045431 | 509 | else |
lakshya | 20:949d13045431 | 510 | { |
lakshya | 20:949d13045431 | 511 | pc_bcn.printf("BCN_TX_FAILURE\r\n"); |
lakshya | 33:76f2b8735501 | 512 | Set_BCN_TX_STATUS(BCN_INIT_FAILURE); |
lakshya | 20:949d13045431 | 513 | break; |
lakshya | 20:949d13045431 | 514 | } |
lakshya | 20:949d13045431 | 515 | BCN_INIT_COUNTER++; |
lakshya | 20:949d13045431 | 516 | } |
lakshya | 20:949d13045431 | 517 | |
lakshya | 33:76f2b8735501 | 518 | if(BCN_TX_STATUS == BCN_INIT_SUCCESS) |
lakshya | 20:949d13045431 | 519 | { |
lakshya | 20:949d13045431 | 520 | writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset |
lakshya | 20:949d13045431 | 521 | wait(0.1); //takes time to reset |
lakshya | 20:949d13045431 | 522 | |
lakshya | 20:949d13045431 | 523 | clearTxBuf(); |
lakshya | 20:949d13045431 | 524 | |
lakshya | 20:949d13045431 | 525 | writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode |
lakshya | 20:949d13045431 | 526 | |
lakshya | 20:949d13045431 | 527 | //txfifoalmostempty |
lakshya | 20:949d13045431 | 528 | writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30); |
lakshya | 20:949d13045431 | 529 | |
lakshya | 20:949d13045431 | 530 | //txfifoalmostfull |
lakshya | 20:949d13045431 | 531 | writereg(RF22_REG_7C_TX_FIFO_CONTROL1,50); |
lakshya | 20:949d13045431 | 532 | |
lakshya | 20:949d13045431 | 533 | |
lakshya | 20:949d13045431 | 534 | //Packet-engine registers |
lakshya | 20:949d13045431 | 535 | writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00); |
lakshya | 20:949d13045431 | 536 | |
lakshya | 20:949d13045431 | 537 | writereg(RF22_REG_33_HEADER_CONTROL2,0x08); |
lakshya | 20:949d13045431 | 538 | writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00); |
lakshya | 20:949d13045431 | 539 | |
lakshya | 20:949d13045431 | 540 | writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state |
lakshya | 20:949d13045431 | 541 | writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state |
lakshya | 20:949d13045431 | 542 | |
lakshya | 20:949d13045431 | 543 | setFrequency(435.0); |
lakshya | 20:949d13045431 | 544 | |
lakshya | 20:949d13045431 | 545 | int i=3; |
lakshya | 20:949d13045431 | 546 | while(i--) |
lakshya | 20:949d13045431 | 547 | if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00) |
lakshya | 20:949d13045431 | 548 | { |
lakshya | 20:949d13045431 | 549 | setFrequency(435.0); |
lakshya | 20:949d13045431 | 550 | if (i==1) |
lakshya | 20:949d13045431 | 551 | {pc_bcn.printf("frequency not set properly\r\n"); |
lakshya | 20:949d13045431 | 552 | reset_rfm(1); |
lakshya | 20:949d13045431 | 553 | } |
lakshya | 20:949d13045431 | 554 | } |
lakshya | 20:949d13045431 | 555 | |
lakshya | 20:949d13045431 | 556 | //set Modem Configuration |
lakshya | 20:949d13045431 | 557 | writereg(RF22_REG_58,0x80); |
lakshya | 20:949d13045431 | 558 | |
lakshya | 20:949d13045431 | 559 | //Set Data rate - same for both long and short beacon |
lakshya | 20:949d13045431 | 560 | |
lakshya | 20:949d13045431 | 561 | writereg(RF22_REG_6E_TX_DATA_RATE,0x0A); |
lakshya | 33:76f2b8735501 | 562 | writereg(RF22_REG_6F_TX_DATA_RATE,0x7C);//1280bps |
lakshya | 33:76f2b8735501 | 563 | writereg(RF22_REG_70_MODULATION_CONTROL1,0x20);//For data rates below 30kbps |
lakshya | 20:949d13045431 | 564 | |
lakshya | 20:949d13045431 | 565 | |
lakshya | 33:76f2b8735501 | 566 | writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//0x21 = FIFO mode with ook demodulation |
lakshya | 33:76f2b8735501 | 567 | |
lakshya | 20:949d13045431 | 568 | |
lakshya | 20:949d13045431 | 569 | //set tx power |
lakshya | 20:949d13045431 | 570 | writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm |
lakshya | 20:949d13045431 | 571 | |
lakshya | 20:949d13045431 | 572 | //TX_packet_length written later |
lakshya | 20:949d13045431 | 573 | ERROR_CHECK = 0; |
lakshya | 20:949d13045431 | 574 | printf("Done Init HW\n\r"); |
lakshya | 20:949d13045431 | 575 | } |
lakshya | 20:949d13045431 | 576 | } |
lakshya | 20:949d13045431 | 577 | bool Check_ACK_RECEIVED() |
lakshya | 20:949d13045431 | 578 | { |
lakshya | 20:949d13045431 | 579 | if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04) |
lakshya | 20:949d13045431 | 580 | { |
lakshya | 20:949d13045431 | 581 | printf("Packet sent: ACK received\r\n"); |
lakshya | 20:949d13045431 | 582 | return 1; |
lakshya | 20:949d13045431 | 583 | } |
lakshya | 20:949d13045431 | 584 | else |
lakshya | 20:949d13045431 | 585 | { |
lakshya | 20:949d13045431 | 586 | pc_bcn.printf("Packet not sent\r\n"); |
lakshya | 20:949d13045431 | 587 | return 0; |
lakshya | 20:949d13045431 | 588 | } |
lakshya | 20:949d13045431 | 589 | } |
lakshya | 20:949d13045431 | 590 | /* |
lakshya | 20:949d13045431 | 591 | int main() |
lakshya | 20:949d13045431 | 592 | { |
lakshya | 20:949d13045431 | 593 | FCTN_BCN_INIT(); |
lakshya | 20:949d13045431 | 594 | |
lakshya | 20:949d13045431 | 595 | loop.attach(&FCTN_BCN_TX_MAIN, 10.0);//in actual case its 30.0 |
lakshya | 20:949d13045431 | 596 | |
lakshya | 20:949d13045431 | 597 | while(1); |
lakshya | 20:949d13045431 | 598 | |
lakshya | 20:949d13045431 | 599 | } |
lakshya | 33:76f2b8735501 | 600 | */ |
lakshya | 33:76f2b8735501 | 601 | |
lakshya | 33:76f2b8735501 | 602 | void FCTN_BCN_SPND_TX() |
lakshya | 33:76f2b8735501 | 603 | { |
lakshya | 33:76f2b8735501 | 604 | BCN_SPND_TX = 1; |
lakshya | 33:76f2b8735501 | 605 | if( BCN_TX_MAIN_STATUS == 1 && BCN_TX_SW_STATUS == 1 ) |
lakshya | 33:76f2b8735501 | 606 | { |
lakshya | 33:76f2b8735501 | 607 | writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode |
lakshya | 33:76f2b8735501 | 608 | if( readreg(RF22_REG_07_OPERATING_MODE1) & 0x08 == 0x08 ) |
lakshya | 33:76f2b8735501 | 609 | { |
lakshya | 33:76f2b8735501 | 610 | BCN_SW = 0; |
lakshya | 33:76f2b8735501 | 611 | BCN_TX_SW_STATUS = 3; |
lakshya | 33:76f2b8735501 | 612 | } |
lakshya | 33:76f2b8735501 | 613 | } |
lakshya | 33:76f2b8735501 | 614 | } |
lakshya | 33:76f2b8735501 | 615 |