pradeep shekhar
/
Beacon_BAE_intergration_test_3
General testings
Fork of BEACON_CODE_NEW by
Revision 23:afadd6b988a2, committed 2015-10-28
- Comitter:
- shekhar
- Date:
- Wed Oct 28 15:54:26 2015 +0000
- Parent:
- 22:c6c77fdfacd8
- Child:
- 24:3d8e70286f67
- Commit message:
- commented main()
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BCN.cpp Wed Oct 28 15:54:26 2015 +0000 @@ -0,0 +1,390 @@ +#include "beacon.h" +#include <stdio.h> +//Check the pin names +//Takes max 4.3 sec in void FCTN_BCN_TX_MAIN() (temp.calc. + long_beacon + short_beacon) + +Serial pc(USBTX, USBRX); //tx,rx +SPI spi(D11, D12, D13); // mosi, miso, sclk +DigitalOut cs(D10); //slave select or chip select +Timer t_i; +//Ticker loop; + +//GLOBAL VARIABLES +uint8_t BCN_INIT_STATUS = 0; +uint8_t BCN_TX_MAIN_STATUS = 0; +uint8_t BCN_TX_STATUS = 0; +uint8_t BCN_TX_EN = 1; //hardcoding for now //check where is this variable toggled?? +uint8_t BCN_FEN = 1; //hardcoding for now +uint8_t BCN_STANDBY = 0; //hardcoding for now //check where is this variable toggled?? +uint8_t BCN_TS_BUFFER = 0; // For Temperature + +void FCTN_BCN_INIT() +{ + pc.printf("FCTN_BCN_INIT\n"); + BCN_INIT_STATUS = 1; + Init_BEACON_HW(); + BCN_INIT_STATUS = 0; +} +void FCTN_BCN_FEN() +{ + pc.printf("FCTN_FEN\n"); + BCN_FEN = 1;//write this value to flash +} +void FCTN_BCN_TX_MAIN() +{ + pc.printf("FCTN_BCN_TX_MAIN\n"); + t_i.start(); + int begin = t_i.read_us(); + BCN_TX_MAIN_STATUS = 1; + + if(BCN_FEN == 1) + { + if(BCN_TX_EN == 1) + { + //Measure and store BCN temperature in BCN_TS_BUFFER + BCN_TS_BUFFER = check_Temperature(); + pc.printf("\n\ntemperature = %d\n\n",BCN_TS_BUFFER); + //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER + if(BCN_STANDBY == 1 ) + { + Set_BCN_TX_STATUS(BCN_TX_STANDBY); + BCN_TX_MAIN_STATUS = 0; + + // break; + } + else + { + //transmit short beacon and long beacon + SHORT_BCN_TX(); + LONG_BCN_TX(); + + if(Check_ACK_RECEIVED() == 1) + { + Set_BCN_TX_STATUS(BCN_TX_SUCCESS); + BCN_TX_MAIN_STATUS = 0; + } + else + { + Set_BCN_TX_STATUS(BCN_TX_FAILURE); + BCN_TX_MAIN_STATUS = 0; + + } + } + } + else + { + Set_BCN_TX_STATUS(BCN_TX_DISABLED); + BCN_TX_MAIN_STATUS = 0; + } + } + else + { + Set_BCN_TX_STATUS(BCN_RF_SILENCE); //Window of RF Silence: None of the Txs should be on. + BCN_TX_MAIN_STATUS = 0; + } + t_i.stop(); + int end = t_i.read_us(); + pc.printf("The time required for short and long is %d seconds\r\n", end-begin); + +} + +void Set_BCN_TX_STATUS(uint8_t STATUS) +{ + BCN_TX_STATUS = STATUS; +} + +uint8_t check_Temperature() +{ + uint8_t temperature; + writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80); + writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20); + wait(0.1); + temperature = readreg(RF22_REG_11_ADC_Value); + temperature = (float)temperature*0.5 - 64; + return temperature; +} + +void SHORT_BCN_TX() +{ + writereg(RF22_REG_6E_TX_DATA_RATE,0x01); + writereg(RF22_REG_6F_TX_DATA_RATE,0x4F);//160bps + writereg(RF22_REG_3E_PACKET_LENGTH,SHORT_TX_DATA); //short packet length + wait(0.02); + + uint32_t timeout_count = 10e5; + //extract values from short_beacon[] + + struct Short_beacon + { + uint8_t Voltage[1]; + uint8_t AngularSpeed[2]; + uint8_t SubsystemStatus[1]; + uint8_t Temp[3]; + uint8_t ErrorFlag[1]; + }Shortbeacon = { {0x88}, {0x99, 0xAA} , {0xAA},{0xAA,0xDD,0xEE}, {0x00} }; + + //filling hk data + //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]}; + uint8_t short_beacon[] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,Shortbeacon.Voltage[0],Shortbeacon.AngularSpeed[0], Shortbeacon.AngularSpeed[1],Shortbeacon.SubsystemStatus[0],Shortbeacon.Temp[0],Shortbeacon.Temp[1],Shortbeacon.Temp[2],Shortbeacon.ErrorFlag[0]}; + + //writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode ?? + clearTxBuf(); + //writing data first time + int byte = 0; + cs = 0; + spi.write(0xFF); + + for (int byte_counter = 0; byte_counter <15 ; byte_counter++) + { + for(int j = 3; j >= 0 ; j--) + { + if((short_beacon[byte_counter] & (uint8_t) pow(2.0,(j*2+1)))!= pow(2.0,(j*2+1))) + { + byte=0x00; + } + else + { + byte=0xF0; + } + if((short_beacon[byte_counter] & (uint8_t) pow(2.0,j*2))!= pow(2.0,j*2)) + { + byte=byte | 0x00; + } + else + { + byte=byte | 0x0F; + } + spi.write(byte); + } + } + + cs = 1; + + //Set to Tx mode + writereg(RF22_REG_07_OPERATING_MODE1,0x09); + wait(0.1); + //Check for fifoThresh + while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break; + timeout_count=10e5; + + //Check for packet_sent + while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break; + + //pc.printf("Short packet sent\r\n"); + + writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode + +} +void LONG_BCN_TX() +{ + writereg(RF22_REG_6E_TX_DATA_RATE,0x04); + writereg(RF22_REG_6F_TX_DATA_RATE,0xEA);//600 bps + writereg(RF22_REG_3E_PACKET_LENGTH,LONG_TX_DATA); //long packet length + wait(0.02); + uint32_t timeout_count=10e5; + + //get long_beacon array + + uint8_t Long_beacon[75]; + for(int i = 0;i<75;i++) + { + Long_beacon[i] = 0xA0; + } + + + + + //setModeIdle(); + writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode + clearTxBuf(); + //writing data first time + cs = 0; + spi.write(0xFF); + for(int i=0; i<60;i++) + { + spi.write(Long_beacon[i]); + } + cs = 1; + + //Set to Tx mode + writereg(RF22_REG_07_OPERATING_MODE1,0x09); + wait(0.1); + + //Check for fifoThresh + while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break; + timeout_count=10e5; + + cs = 0; + spi.write(0xFF); + for(int i=60; i<75;i++) + { + spi.write(Long_beacon[i]); + } + cs = 1; + wait(0.1); + //Check for fifoThresh + while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break; + timeout_count=10e5; + + //Check for packetsent interrupt + while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break; + + //pc.printf("Long packet sent\r\n"); + + writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode +} +void reset_uC() +{ + FCTN_BCN_INIT(); +} +void writereg(uint8_t reg,uint8_t val) +{ + uint8_t count = 0; + for(;;count++) + { + int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1; + if(reg != 0x7 && reg != 0x58 && reg != 0xF) + { + read_val = readreg(reg); + if (read_val == val) + { + break; + } + else if(count == 5) + { + reset_uC(), printf("reg = 0x%X\n",reg);break; + } + } + else + break; + } +} +uint8_t readreg(uint8_t reg) +{ + uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val; +} +void clearTxBuf() +{ + writereg(RF22_REG_08_OPERATING_MODE2,0x01); + writereg(RF22_REG_08_OPERATING_MODE2,0x00); +} +uint8_t setFrequency(double centre,float afcPullInRange) +{ + uint8_t fbsel = 0x40; + uint8_t afclimiter; + if (centre >= 480.0) { + centre /= 2; + fbsel |= 0x20; + afclimiter = afcPullInRange * 1000000.0 / 1250.0; + } else { + if (afcPullInRange < 0.0 || afcPullInRange > 0.159375) + return false; + afclimiter = afcPullInRange * 1000000.0 / 625.0; + } + centre /= 10.0; + double integerPart = floor(centre); + double fractionalPart = centre - integerPart; + + uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23 + fbsel |= fb; + uint16_t fc = fractionalPart * 64000; + writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT + writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0); + writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel); + writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8); + writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff); + writereg(RF22_REG_2A_AFC_LIMITER, afclimiter); + return 0; +} + + +void Init_BEACON_HW() +{ + wait(0.1); + cs=1; // chip must be deselected + wait(0.1); + spi.format(8,0); + spi.frequency(10000000); //10MHz SCLK + + //should either have a flag for invalid SPI or discard this for actual case or add reset + if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08) + pc.printf("spi connection valid\r\n"); + else + {pc.printf("error in spi connection\r\n"); + reset_uC(); + } + + writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset + wait(0.1); //takes time to reset + + clearTxBuf(); + + writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode + + //txfifoalmostempty + writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30); + + //Packet-engine registers + writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00); + + writereg(RF22_REG_33_HEADER_CONTROL2,0x08); + writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00); + + writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state + writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state + + setFrequency(435.0,05); + + if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00) + { + pc.printf("frequency not set properly\r\n"); + reset_uC(); + } + + //set Modem Configuration + writereg(RF22_REG_1C_IF_FILTER_BANDWIDTH,0xdf); + writereg(RF22_REG_1F_CLOCK_RECOVERY_GEARSHIFT_OVERRIDE,0x03); + writereg(RF22_REG_20_CLOCK_RECOVERY_OVERSAMPLING_RATE,0x39); + writereg(RF22_REG_21_CLOCK_RECOVERY_OFFSET2,0x20); + writereg(RF22_REG_22_CLOCK_RECOVERY_OFFSET1,0x68); //updated 20 to 25 reg values from excel sheet for 1.2 Khz freq. deviation,fsk + writereg(RF22_REG_23_CLOCK_RECOVERY_OFFSET0,0xdc); + writereg(RF22_REG_24_CLOCK_RECOVERY_TIMING_LOOP_GAIN1,0x00); + writereg(RF22_REG_25_CLOCK_RECOVERY_TIMING_LOOP_GAIN0,0x6B); + writereg(RF22_REG_2C_OOK_COUNTER_VALUE_1,0x2C); + writereg(RF22_REG_2D_OOK_COUNTER_VALUE_2,0x11); //not required for fsk (OOK counter value) + writereg(RF22_REG_2E_SLICER_PEAK_HOLD,0x2A); //?? + writereg(RF22_REG_58,0x80); + writereg(RF22_REG_69_AGC_OVERRIDE1,0x60); + + //Data rate set later + + writereg(RF22_REG_70_MODULATION_CONTROL1,0x20); + writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//ook = 0x21 + + //set tx power + writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm + + //TX_packet_length written later +} +bool Check_ACK_RECEIVED() +{ + if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04) + { + printf("Packet sent: ACK received\r\n"); + return 1; + } + else + { + pc.printf("Packet not sent\r\n"); + return 0; + } +} +/*int main() +{ + FCTN_BCN_INIT(); + + loop.attach(&FCTN_BCN_TX_MAIN, 10.0);//in actual case its 30.0 + + while(1); + +}*/ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BCN.h Wed Oct 28 15:54:26 2015 +0000 @@ -0,0 +1,127 @@ +#include "mbed.h" + +//STATES +#define BCN_RF_SILENCE 0 +#define BCN_TX_DISABLED 1 +#define BCN_TX_STANDBY 2 +#define BCN_TX_FAILURE 3 +#define BCN_TX_SUCCESS 4 + +//Size of tx data +#define SHORT_TX_DATA 60 //in bytes +#define LONG_TX_DATA 75 //in bytes + +//#define RF_SILENCE_TIME 35*60 +#define RF_SILENCE_TIME 5 //changed for testing + +//FUNCTION PROTOTYPING +void FCTN_BCN_INIT(); +void FCTN_BCN_FEN(); +void FCTN_BCN_TX_MAIN(); +void Set_BCN_TX_STATUS(uint8_t); +uint8_t check_Temperature(); +void SHORT_BCN_TX(); +void LONG_BCN_TX(); +void Init_BEACON_HW(); +void writereg(uint8_t,uint8_t); +uint8_t readreg(uint8_t); +void clearTxBuf(); +uint8_t setFrequency(double,float); +bool Check_ACK_RECEIVED(); +void reset_uC(); + +#define RF22_MAX_MESSAGE_LEN 255 + +//These values we set for FIFO thresholds +#define RF22_TXFFAEM_THRESHOLD 40 + +//Registers +#define RF22_REG_00_DEVICE_TYPE 0x00 +#define RF22_REG_02_DEVICE_STATUS 0x02 +#define RF22_REG_03_INTERRUPT_STATUS1 0x03 +#define RF22_REG_04_INTERRUPT_STATUS2 0x04 +#define RF22_REG_07_OPERATING_MODE1 0x07 +#define RF22_REG_08_OPERATING_MODE2 0x08 +#define RF22_REG_09_OSCILLATOR_LOAD_CAPACITANCE 0x09 +#define RF22_REG_0B_GPIO_CONFIGURATION0 0x0b +#define RF22_REG_0C_GPIO_CONFIGURATION1 0x0c +#define RF22_REG_0D_GPIO_CONFIGURATION2 0x0d +#define RF22_REG_0F_ADC_CONFIGURATION 0x0f +#define RF22_REG_11_ADC_Value 0x11 +#define RF22_REG_12_Temperature_Sensor_Calibration 0x12 +#define RF22_REG_1C_IF_FILTER_BANDWIDTH 0x1c +#define RF22_REG_1F_CLOCK_RECOVERY_GEARSHIFT_OVERRIDE 0x1f +#define RF22_REG_20_CLOCK_RECOVERY_OVERSAMPLING_RATE 0x20 +#define RF22_REG_21_CLOCK_RECOVERY_OFFSET2 0x21 +#define RF22_REG_22_CLOCK_RECOVERY_OFFSET1 0x22 +#define RF22_REG_23_CLOCK_RECOVERY_OFFSET0 0x23 +#define RF22_REG_24_CLOCK_RECOVERY_TIMING_LOOP_GAIN1 0x24 +#define RF22_REG_25_CLOCK_RECOVERY_TIMING_LOOP_GAIN0 0x25 +#define RF22_REG_26_RSSI 0x26 +#define RF22_REG_27_RSSI_THRESHOLD 0x27 +#define RF22_REG_28_ANTENNA_DIVERSITY1 0x28 +#define RF22_REG_29_ANTENNA_DIVERSITY2 0x29 +#define RF22_REG_2A_AFC_LIMITER 0x2a +#define RF22_REG_2B_AFC_CORRECTION_READ 0x2b +#define RF22_REG_2C_OOK_COUNTER_VALUE_1 0x2c +#define RF22_REG_2D_OOK_COUNTER_VALUE_2 0x2d +#define RF22_REG_2E_SLICER_PEAK_HOLD 0x2e +#define RF22_REG_30_DATA_ACCESS_CONTROL 0x30 +#define RF22_REG_31_EZMAC_STATUS 0x31 +#define RF22_REG_32_HEADER_CONTROL1 0x32 +#define RF22_REG_33_HEADER_CONTROL2 0x33 +#define RF22_REG_34_PREAMBLE_LENGTH 0x34 +#define RF22_REG_35_PREAMBLE_DETECTION_CONTROL1 0x35 +#define RF22_REG_36_SYNC_WORD3 0x36 +#define RF22_REG_37_SYNC_WORD2 0x37 +#define RF22_REG_38_SYNC_WORD1 0x38 +#define RF22_REG_39_SYNC_WORD0 0x39 +#define RF22_REG_3A_TRANSMIT_HEADER3 0x3a +#define RF22_REG_3B_TRANSMIT_HEADER2 0x3b +#define RF22_REG_3C_TRANSMIT_HEADER1 0x3c +#define RF22_REG_3D_TRANSMIT_HEADER0 0x3d +#define RF22_REG_3E_PACKET_LENGTH 0x3e +#define RF22_REG_3F_CHECK_HEADER3 0x3f +#define RF22_REG_40_CHECK_HEADER2 0x40 +#define RF22_REG_41_CHECK_HEADER1 0x41 +#define RF22_REG_42_CHECK_HEADER0 0x42 +#define RF22_REG_43_HEADER_ENABLE3 0x43 +#define RF22_REG_44_HEADER_ENABLE2 0x44 +#define RF22_REG_45_HEADER_ENABLE1 0x45 +#define RF22_REG_46_HEADER_ENABLE0 0x46 +#define RF22_REG_47_RECEIVED_HEADER3 0x47 +#define RF22_REG_48_RECEIVED_HEADER2 0x48 +#define RF22_REG_49_RECEIVED_HEADER1 0x49 +#define RF22_REG_4A_RECEIVED_HEADER0 0x4a +#define RF22_REG_4B_RECEIVED_PACKET_LENGTH 0x4b +#define RF22_REG_58 0x58 +#define RF22_REG_60_CHANNEL_FILTER_COEFFICIENT_ADDRESS 0x60 +#define RF22_REG_61_CHANNEL_FILTER_COEFFICIENT_VALUE 0x61 +#define RF22_REG_62_CRYSTAL_OSCILLATOR_POR_CONTROL 0x62 +#define RF22_REG_63_RC_OSCILLATOR_COARSE_CALIBRATION 0x63 +#define RF22_REG_64_RC_OSCILLATOR_FINE_CALIBRATION 0x64 +#define RF22_REG_65_LDO_CONTROL_OVERRIDE 0x65 +#define RF22_REG_66_LDO_LEVEL_SETTINGS 0x66 +#define RF22_REG_67_DELTA_SIGMA_ADC_TUNING1 0x67 +#define RF22_REG_68_DELTA_SIGMA_ADC_TUNING2 0x68 +#define RF22_REG_69_AGC_OVERRIDE1 0x69 +#define RF22_REG_6A_AGC_OVERRIDE2 0x6a +#define RF22_REG_6B_GFSK_FIR_FILTER_COEFFICIENT_ADDRESS 0x6b +#define RF22_REG_6C_GFSK_FIR_FILTER_COEFFICIENT_VALUE 0x6c +#define RF22_REG_6D_TX_POWER 0x6d +#define RF22_REG_6E_TX_DATA_RATE 0x6e +#define RF22_REG_6F_TX_DATA_RATE 0x6f +#define RF22_REG_70_MODULATION_CONTROL1 0x70 +#define RF22_REG_71_MODULATION_CONTROL2 0x71 +#define RF22_REG_72_FREQUENCY_DEVIATION 0x72 +#define RF22_REG_73_FREQUENCY_OFFSET1 0x73 +#define RF22_REG_74_FREQUENCY_OFFSET2 0x74 +#define RF22_REG_75_FREQUENCY_BAND_SELECT 0x75 +#define RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1 0x76 +#define RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0 0x77 +#define RF22_REG_79_FREQUENCY_HOPPING_CHANNEL_SELECT 0x79 +#define RF22_REG_7A_FREQUENCY_HOPPING_STEP_SIZE 0x7a +#define RF22_REG_7C_TX_FIFO_CONTROL1 0x7c +#define RF22_REG_7D_TX_FIFO_CONTROL2 0x7d +#define RF22_REG_7E_RX_FIFO_CONTROL 0x7e +#define RF22_REG_7F_FIFO_ACCESS 0x7f \ No newline at end of file
--- a/beacon.h Wed Oct 28 14:40:57 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,128 +0,0 @@ -#include "mbed.h" - -//STATES -#define BCN_RF_SILENCE 0 -#define BCN_TX_DISABLED 1 -#define BCN_TX_STANDBY 2 -#define BCN_TX_FAILURE 3 -#define BCN_TX_SUCCESS 4 - -//Size of tx data -#define SHORT_TX_DATA 60 //in bytes -#define LONG_TX_DATA 75 //in bytes - -//#define RF_SILENCE_TIME 5 //in seconds -//#define RF_SILENCE_TIME 35*60 -#define RF_SILENCE_TIME 5 //changed for testing - -//FUNCTION PROTOTYPING -void FCTN_BCN_INIT(); -void FCTN_BCN_FEN(); -void FCTN_BCN_TX_MAIN(); -void Set_BCN_TX_STATUS(uint8_t); -uint8_t check_Temperature(); -void SHORT_BCN_TX(); -void LONG_BCN_TX(); -void Init_BEACON_HW(); -void writereg(uint8_t,uint8_t); -uint8_t readreg(uint8_t); -void clearTxBuf(); -uint8_t setFrequency(double,float); -bool Check_ACK_RECEIVED(); -void reset_uC(); - -#define RF22_MAX_MESSAGE_LEN 255 - -//These values we set for FIFO thresholds -#define RF22_TXFFAEM_THRESHOLD 40 - -//Registers -#define RF22_REG_00_DEVICE_TYPE 0x00 -#define RF22_REG_02_DEVICE_STATUS 0x02 -#define RF22_REG_03_INTERRUPT_STATUS1 0x03 -#define RF22_REG_04_INTERRUPT_STATUS2 0x04 -#define RF22_REG_07_OPERATING_MODE1 0x07 -#define RF22_REG_08_OPERATING_MODE2 0x08 -#define RF22_REG_09_OSCILLATOR_LOAD_CAPACITANCE 0x09 -#define RF22_REG_0B_GPIO_CONFIGURATION0 0x0b -#define RF22_REG_0C_GPIO_CONFIGURATION1 0x0c -#define RF22_REG_0D_GPIO_CONFIGURATION2 0x0d -#define RF22_REG_0F_ADC_CONFIGURATION 0x0f -#define RF22_REG_11_ADC_Value 0x11 -#define RF22_REG_12_Temperature_Sensor_Calibration 0x12 -#define RF22_REG_1C_IF_FILTER_BANDWIDTH 0x1c -#define RF22_REG_1F_CLOCK_RECOVERY_GEARSHIFT_OVERRIDE 0x1f -#define RF22_REG_20_CLOCK_RECOVERY_OVERSAMPLING_RATE 0x20 -#define RF22_REG_21_CLOCK_RECOVERY_OFFSET2 0x21 -#define RF22_REG_22_CLOCK_RECOVERY_OFFSET1 0x22 -#define RF22_REG_23_CLOCK_RECOVERY_OFFSET0 0x23 -#define RF22_REG_24_CLOCK_RECOVERY_TIMING_LOOP_GAIN1 0x24 -#define RF22_REG_25_CLOCK_RECOVERY_TIMING_LOOP_GAIN0 0x25 -#define RF22_REG_26_RSSI 0x26 -#define RF22_REG_27_RSSI_THRESHOLD 0x27 -#define RF22_REG_28_ANTENNA_DIVERSITY1 0x28 -#define RF22_REG_29_ANTENNA_DIVERSITY2 0x29 -#define RF22_REG_2A_AFC_LIMITER 0x2a -#define RF22_REG_2B_AFC_CORRECTION_READ 0x2b -#define RF22_REG_2C_OOK_COUNTER_VALUE_1 0x2c -#define RF22_REG_2D_OOK_COUNTER_VALUE_2 0x2d -#define RF22_REG_2E_SLICER_PEAK_HOLD 0x2e -#define RF22_REG_30_DATA_ACCESS_CONTROL 0x30 -#define RF22_REG_31_EZMAC_STATUS 0x31 -#define RF22_REG_32_HEADER_CONTROL1 0x32 -#define RF22_REG_33_HEADER_CONTROL2 0x33 -#define RF22_REG_34_PREAMBLE_LENGTH 0x34 -#define RF22_REG_35_PREAMBLE_DETECTION_CONTROL1 0x35 -#define RF22_REG_36_SYNC_WORD3 0x36 -#define RF22_REG_37_SYNC_WORD2 0x37 -#define RF22_REG_38_SYNC_WORD1 0x38 -#define RF22_REG_39_SYNC_WORD0 0x39 -#define RF22_REG_3A_TRANSMIT_HEADER3 0x3a -#define RF22_REG_3B_TRANSMIT_HEADER2 0x3b -#define RF22_REG_3C_TRANSMIT_HEADER1 0x3c -#define RF22_REG_3D_TRANSMIT_HEADER0 0x3d -#define RF22_REG_3E_PACKET_LENGTH 0x3e -#define RF22_REG_3F_CHECK_HEADER3 0x3f -#define RF22_REG_40_CHECK_HEADER2 0x40 -#define RF22_REG_41_CHECK_HEADER1 0x41 -#define RF22_REG_42_CHECK_HEADER0 0x42 -#define RF22_REG_43_HEADER_ENABLE3 0x43 -#define RF22_REG_44_HEADER_ENABLE2 0x44 -#define RF22_REG_45_HEADER_ENABLE1 0x45 -#define RF22_REG_46_HEADER_ENABLE0 0x46 -#define RF22_REG_47_RECEIVED_HEADER3 0x47 -#define RF22_REG_48_RECEIVED_HEADER2 0x48 -#define RF22_REG_49_RECEIVED_HEADER1 0x49 -#define RF22_REG_4A_RECEIVED_HEADER0 0x4a -#define RF22_REG_4B_RECEIVED_PACKET_LENGTH 0x4b -#define RF22_REG_58 0x58 -#define RF22_REG_60_CHANNEL_FILTER_COEFFICIENT_ADDRESS 0x60 -#define RF22_REG_61_CHANNEL_FILTER_COEFFICIENT_VALUE 0x61 -#define RF22_REG_62_CRYSTAL_OSCILLATOR_POR_CONTROL 0x62 -#define RF22_REG_63_RC_OSCILLATOR_COARSE_CALIBRATION 0x63 -#define RF22_REG_64_RC_OSCILLATOR_FINE_CALIBRATION 0x64 -#define RF22_REG_65_LDO_CONTROL_OVERRIDE 0x65 -#define RF22_REG_66_LDO_LEVEL_SETTINGS 0x66 -#define RF22_REG_67_DELTA_SIGMA_ADC_TUNING1 0x67 -#define RF22_REG_68_DELTA_SIGMA_ADC_TUNING2 0x68 -#define RF22_REG_69_AGC_OVERRIDE1 0x69 -#define RF22_REG_6A_AGC_OVERRIDE2 0x6a -#define RF22_REG_6B_GFSK_FIR_FILTER_COEFFICIENT_ADDRESS 0x6b -#define RF22_REG_6C_GFSK_FIR_FILTER_COEFFICIENT_VALUE 0x6c -#define RF22_REG_6D_TX_POWER 0x6d -#define RF22_REG_6E_TX_DATA_RATE 0x6e -#define RF22_REG_6F_TX_DATA_RATE 0x6f -#define RF22_REG_70_MODULATION_CONTROL1 0x70 -#define RF22_REG_71_MODULATION_CONTROL2 0x71 -#define RF22_REG_72_FREQUENCY_DEVIATION 0x72 -#define RF22_REG_73_FREQUENCY_OFFSET1 0x73 -#define RF22_REG_74_FREQUENCY_OFFSET2 0x74 -#define RF22_REG_75_FREQUENCY_BAND_SELECT 0x75 -#define RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1 0x76 -#define RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0 0x77 -#define RF22_REG_79_FREQUENCY_HOPPING_CHANNEL_SELECT 0x79 -#define RF22_REG_7A_FREQUENCY_HOPPING_STEP_SIZE 0x7a -#define RF22_REG_7C_TX_FIFO_CONTROL1 0x7c -#define RF22_REG_7D_TX_FIFO_CONTROL2 0x7d -#define RF22_REG_7E_RX_FIFO_CONTROL 0x7e -#define RF22_REG_7F_FIFO_ACCESS 0x7f \ No newline at end of file
--- a/main.cpp Wed Oct 28 14:40:57 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,397 +0,0 @@ -#include "beacon.h" -#include <stdio.h> -//Takes max 4.3 sec in void FCTN_BCN_TX_MAIN() (temp.calc. + long_beacon + short_beacon) - -Serial pc(USBTX, USBRX); //tx,rx -SPI spi(D11, D12, D13); // mosi, miso, sclk -DigitalOut cs(D10); //slave select or chip select -Timer t; -Timer t_i; -Ticker loop; - -//GLOBAL VARIABLES -uint8_t BCN_INIT_STATUS = 0; -uint8_t BCN_TX_MAIN_STATUS = 0; -uint8_t BCN_TX_STATUS = 0; -uint8_t BCN_TX_EN = 1; //hardcoding for now //check where is this variable toggled?? -uint8_t BCN_FEN = 0; //write this to non-erasable memory. -uint8_t BCN_STANDBY = 0; //hardcoding for now //check where is this variable toggled?? -uint8_t BCN_TS_BUFFER = 0; // For Temperature - -void FCTN_BCN_INIT() -{ - //t_i.start(); - pc.printf("FCTN_BCN_INIT\n"); - BCN_INIT_STATUS = 1; - Init_BEACON_HW(); - if (BCN_FEN == 0) - t.start();//Start the timer for RF_Silence - BCN_INIT_STATUS = 0; -} -void FCTN_BCN_FEN() -{ - pc.printf("FCTN_FEN\n"); - BCN_FEN = 1;//write this value to flash -} -void FCTN_BCN_TX_MAIN() -{ - pc.printf("FCTN_BCN_TX_MAIN\n"); - t_i.start(); - int begin = t_i.read_us(); - BCN_TX_MAIN_STATUS = 1; - - if(BCN_FEN == 1) - { - if(BCN_TX_EN == 1) - { - //Measure and store BCN temperature in BCN_TS_BUFFER - BCN_TS_BUFFER = check_Temperature(); - pc.printf("\n\ntemperature = %d\n\n",BCN_TS_BUFFER); - //Get BCN_HK data from BCN HW(SPI) //Store BCN_HK data in BCN_HK_BUFFER - if(BCN_STANDBY == 1 ) - { - Set_BCN_TX_STATUS(BCN_TX_STANDBY); - BCN_TX_MAIN_STATUS = 0; - - // break; - } - else - { - //transmit short beacon and long beacon - SHORT_BCN_TX(); - LONG_BCN_TX(); - - if(Check_ACK_RECEIVED() == 1) - { - Set_BCN_TX_STATUS(BCN_TX_SUCCESS); - BCN_TX_MAIN_STATUS = 0; - } - else - { - Set_BCN_TX_STATUS(BCN_TX_FAILURE); - BCN_TX_MAIN_STATUS = 0; - - } - } - } - else - { - Set_BCN_TX_STATUS(BCN_TX_DISABLED); - BCN_TX_MAIN_STATUS = 0; - } - } - else - { - Set_BCN_TX_STATUS(BCN_RF_SILENCE); //Window of RF Silence: None of the Txs should be on. - BCN_TX_MAIN_STATUS = 0; - } - t_i.stop(); - int end = t_i.read_us(); - pc.printf("The time required for short and long is %d seconds\r\n", end-begin); - -} - -void Set_BCN_TX_STATUS(uint8_t STATUS) -{ - BCN_TX_STATUS = STATUS; -} - -uint8_t check_Temperature() -{ - uint8_t temperature; - writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80); - writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20); - wait(0.1); - temperature = readreg(RF22_REG_11_ADC_Value); - temperature = (float)temperature*0.5 - 64; - return temperature; -} - -void SHORT_BCN_TX() -{ - writereg(RF22_REG_6E_TX_DATA_RATE,0x01); - writereg(RF22_REG_6F_TX_DATA_RATE,0x4F);//160bps - writereg(RF22_REG_3E_PACKET_LENGTH,SHORT_TX_DATA); //short packet length - wait(0.02); - - uint32_t timeout_count = 10e5; - //extract values from short_beacon[] - - struct Short_beacon - { - uint8_t Voltage[1]; - uint8_t AngularSpeed[2]; - uint8_t SubsystemStatus[1]; - uint8_t Temp[3]; - uint8_t ErrorFlag[1]; - }Shortbeacon = { {0x88}, {0x99, 0xAA} , {0xAA},{0xAA,0xDD,0xEE}, {0x00} }; - - //filling hk data - //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]}; - uint8_t short_beacon[] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,Shortbeacon.Voltage[0],Shortbeacon.AngularSpeed[0], Shortbeacon.AngularSpeed[1],Shortbeacon.SubsystemStatus[0],Shortbeacon.Temp[0],Shortbeacon.Temp[1],Shortbeacon.Temp[2],Shortbeacon.ErrorFlag[0]}; - - //writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode ?? - clearTxBuf(); - //writing data first time - int byte = 0; - cs = 0; - spi.write(0xFF); - - for (int byte_counter = 0; byte_counter <15 ; byte_counter++) - { - for(int j = 3; j >= 0 ; j--) - { - if((short_beacon[byte_counter] & (uint8_t) pow(2.0,(j*2+1)))!= pow(2.0,(j*2+1))) - { - byte=0x00; - } - else - { - byte=0xF0; - } - if((short_beacon[byte_counter] & (uint8_t) pow(2.0,j*2))!= pow(2.0,j*2)) - { - byte=byte | 0x00; - } - else - { - byte=byte | 0x0F; - } - spi.write(byte); - } - } - - cs = 1; - - //Set to Tx mode - writereg(RF22_REG_07_OPERATING_MODE1,0x09); - wait(0.1); - //Check for fifoThresh - while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break; - timeout_count=10e5; - - //Check for packet_sent - while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break; - - //pc.printf("Short packet sent\r\n"); - - writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode - -} -void LONG_BCN_TX() -{ - writereg(RF22_REG_6E_TX_DATA_RATE,0x04); - writereg(RF22_REG_6F_TX_DATA_RATE,0xEA);//600 bps - writereg(RF22_REG_3E_PACKET_LENGTH,LONG_TX_DATA); //long packet length - wait(0.02); - uint32_t timeout_count=10e5; - - //get long_beacon array - - uint8_t Long_beacon[75]; - for(int i = 0;i<75;i++) - { - Long_beacon[i] = 0xA0; - } - - - - - //setModeIdle(); - writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode - clearTxBuf(); - //writing data first time - cs = 0; - spi.write(0xFF); - for(int i=0; i<60;i++) - { - spi.write(Long_beacon[i]); - } - cs = 1; - - //Set to Tx mode - writereg(RF22_REG_07_OPERATING_MODE1,0x09); - wait(0.1); - - //Check for fifoThresh - while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break; - timeout_count=10e5; - - cs = 0; - spi.write(0xFF); - for(int i=60; i<75;i++) - { - spi.write(Long_beacon[i]); - } - cs = 1; - wait(0.1); - //Check for fifoThresh - while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break; - timeout_count=10e5; - - //Check for packetsent interrupt - while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break; - - //pc.printf("Long packet sent\r\n"); - - writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode -} -void reset_uC() -{ - FCTN_BCN_INIT(); -} -void writereg(uint8_t reg,uint8_t val) -{ - uint8_t count = 0; - for(;;count++) - { - int read_val =0; cs = 0;spi.write(reg | 0x80);spi.write(val);cs = 1; - if(reg != 0x7 && reg != 0x58 && reg != 0xF) - { - read_val = readreg(reg); - if (read_val == val) - { - break; - } - else if(count == 5) - { - reset_uC(), printf("reg = 0x%X\n",reg);break; - } - } - else - break; - } -} -uint8_t readreg(uint8_t reg) -{ - uint8_t val;cs = 0;spi.write(reg & ~0x80);val = spi.write(0);cs = 1;return val; -} -void clearTxBuf() -{ - writereg(RF22_REG_08_OPERATING_MODE2,0x01); - writereg(RF22_REG_08_OPERATING_MODE2,0x00); -} -uint8_t setFrequency(double centre,float afcPullInRange) -{ - uint8_t fbsel = 0x40; - uint8_t afclimiter; - if (centre >= 480.0) { - centre /= 2; - fbsel |= 0x20; - afclimiter = afcPullInRange * 1000000.0 / 1250.0; - } else { - if (afcPullInRange < 0.0 || afcPullInRange > 0.159375) - return false; - afclimiter = afcPullInRange * 1000000.0 / 625.0; - } - centre /= 10.0; - double integerPart = floor(centre); - double fractionalPart = centre - integerPart; - - uint8_t fb = (uint8_t)integerPart - 24; // Range 0 to 23 - fbsel |= fb; - uint16_t fc = fractionalPart * 64000; - writereg(RF22_REG_73_FREQUENCY_OFFSET1, 0); // REVISIT - writereg(RF22_REG_74_FREQUENCY_OFFSET2, 0); - writereg(RF22_REG_75_FREQUENCY_BAND_SELECT, fbsel); - writereg(RF22_REG_76_NOMINAL_CARRIER_FREQUENCY1, fc >> 8); - writereg(RF22_REG_77_NOMINAL_CARRIER_FREQUENCY0, fc & 0xff); - writereg(RF22_REG_2A_AFC_LIMITER, afclimiter); - return 0; -} - - -void Init_BEACON_HW() -{ - wait(0.1); - cs=1; // chip must be deselected - wait(0.1); - spi.format(8,0); - spi.frequency(10000000); //10MHz SCLK - - //should either have a flag for invalid SPI or discard this for actual case or add reset - if (readreg(RF22_REG_00_DEVICE_TYPE) == 0x08) - pc.printf("spi connection valid\r\n"); - else - {pc.printf("error in spi connection\r\n"); - reset_uC(); - } - - writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset - wait(0.1); //takes time to reset - - clearTxBuf(); - - writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode - - //txfifoalmostempty - writereg(RF22_REG_7D_TX_FIFO_CONTROL2,30); - - //Packet-engine registers - writereg(RF22_REG_30_DATA_ACCESS_CONTROL,0x00); - - writereg(RF22_REG_33_HEADER_CONTROL2,0x08); - writereg(RF22_REG_34_PREAMBLE_LENGTH,0x00); - - writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state - writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state - - setFrequency(435.0,05); - - if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00) - { - pc.printf("frequency not set properly\r\n"); - reset_uC(); - } - - //set Modem Configuration - writereg(RF22_REG_1C_IF_FILTER_BANDWIDTH,0xdf); - writereg(RF22_REG_1F_CLOCK_RECOVERY_GEARSHIFT_OVERRIDE,0x03); - writereg(RF22_REG_20_CLOCK_RECOVERY_OVERSAMPLING_RATE,0x39); - writereg(RF22_REG_21_CLOCK_RECOVERY_OFFSET2,0x20); - writereg(RF22_REG_22_CLOCK_RECOVERY_OFFSET1,0x68); //updated 20 to 25 reg values from excel sheet for 1.2 Khz freq. deviation,fsk - writereg(RF22_REG_23_CLOCK_RECOVERY_OFFSET0,0xdc); - writereg(RF22_REG_24_CLOCK_RECOVERY_TIMING_LOOP_GAIN1,0x00); - writereg(RF22_REG_25_CLOCK_RECOVERY_TIMING_LOOP_GAIN0,0x6B); - writereg(RF22_REG_2C_OOK_COUNTER_VALUE_1,0x2C); - writereg(RF22_REG_2D_OOK_COUNTER_VALUE_2,0x11); //not required for fsk (OOK counter value) - writereg(RF22_REG_2E_SLICER_PEAK_HOLD,0x2A); //?? - writereg(RF22_REG_58,0x80); - writereg(RF22_REG_69_AGC_OVERRIDE1,0x60); - - //Data rate set later - - writereg(RF22_REG_70_MODULATION_CONTROL1,0x20); - writereg(RF22_REG_71_MODULATION_CONTROL2,0x21);//ook = 0x21 - - //set tx power - writereg(RF22_REG_6D_TX_POWER,0x07); //20dbm - - //TX_packet_length written later -} -bool Check_ACK_RECEIVED() -{ - if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04) - { - printf("Packet sent: ACK received\r\n"); - return 1; - } - else - { - pc.printf("Packet not sent\r\n"); - return 0; - } -} -int main() -{ - FCTN_BCN_INIT(); - - loop.attach(&FCTN_BCN_TX_MAIN, 10.0);//in actual case its 30.0 - - while(t.read() < RF_SILENCE_TIME); - - FCTN_BCN_FEN(); - - while(1); - -} \ No newline at end of file