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ACS completed fully. All cases to be tested
Dependencies: FreescaleIAP mbed-rtos mbed
Fork of ACS_Flowchart_BAE by
Diff: BCN.cpp
- Revision:
- 12:af1d7e18b868
- Parent:
- 11:1fdb94ae6563
- Child:
- 13:fb7facaf308b
--- a/BCN.cpp Wed Apr 13 17:00:25 2016 +0000 +++ b/BCN.cpp Wed Apr 13 18:34:28 2016 +0000 @@ -1,43 +1,47 @@ + #include "BCN.h" #include <stdio.h> #include "pin_config.h" +//Check the pin names +//Takes max 4.3 sec in void FCTN_BCN_TX_MAIN() (temp.calc. + long_beacon + short_beacon) Serial pc_bcn(USBTX, USBRX); //tx,rx -SPI spi(PIN16, PIN17, PIN15); // mosi, miso, sclk -DigitalOut cs(PIN6); //slave select or chip select -Timer t; +SPI spi(PIN16, PIN17, PIN15); // mosi, miso, sclk +DigitalOut cs(PIN87); //slave select or chip select Timer t_i; +Timeout rf_sl_timeout; Ticker loop; //GLOBAL VARIABLES -uint8_t BCN_INIT_STATUS; -uint8_t BCN_TX_MAIN_STATUS; -uint8_t BCN_TX_STATUS; +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; //write this to non-erasable memory. +uint8_t BCN_FEN = 0; //hardcoding for now //write this value to flash uint8_t BCN_STANDBY = 0; //hardcoding for now //check where is this variable toggled?? -uint8_t BCN_TS_BUFFER; // For Temperature +uint8_t BCN_TS_BUFFER = 0; // For Temperature +uint8_t BCN_FAIL_COUNT=0; -uint8_t BCN_FAIL_COUNT=0; //bcn fail count added - -void P_BCN_INIT() +void FCTN_BCN_INIT() { - pc_bcn.printf("P_BCN_INIT\n"); + pc_bcn.printf("FCTN_BCN_INIT\n"); BCN_INIT_STATUS = 1; + if(BCN_FEN == 0) + rf_sl_timeout.attach(&FCTN_BCN_FEN, 30); Init_BEACON_HW(); - if (BCN_FEN == 0) - t.start();//Start the timer for RF_Silence BCN_INIT_STATUS = 0; } -void P_BCN_FEN() +void FCTN_BCN_FEN() { - pc_bcn.printf("P_FEN\n"); + pc_bcn.printf("FCTN_FEN\n"); BCN_FEN = 1;//write this value to flash } -void P_BCN_TX_MAIN() +void FCTN_BCN_TX_MAIN() { - pc_bcn.printf("P_BCN_TX_MAIN\n"); + pc_bcn.printf("FCTN_BCN_TX_MAIN\n"); + t_i.start(); + int begin = t_i.read_us(); BCN_TX_MAIN_STATUS = 1; if(BCN_FEN == 1) @@ -58,13 +62,8 @@ else { //transmit short beacon and long beacon - t_i.start(); - int begin = t_i.read_us(); - SHORT_BCN_TX(); + //SHORT_BCN_TX(); LONG_BCN_TX(); - t_i.stop(); - int end = t_i.read_us(); - pc_bcn.printf("The time required for short and long is %d seconds\r\n", end-begin); if(Check_ACK_RECEIVED() == 1) { @@ -91,6 +90,10 @@ 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_bcn.printf("The time required for FCTN_BCN_TX_MAIN is %d useconds\r\n", end-begin); + } void Set_BCN_TX_STATUS(uint8_t STATUS) @@ -101,9 +104,10 @@ uint8_t check_Temperature() { uint8_t temperature; - writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80); + writereg(RF22_REG_0F_ADC_CONFIGURATION,0x00); writereg(RF22_REG_12_Temperature_Sensor_Calibration,0x20); - wait(1); + writereg(RF22_REG_0F_ADC_CONFIGURATION,0x80); + wait(0.1); temperature = readreg(RF22_REG_11_ADC_Value); temperature = (float)temperature*0.5 - 64; return temperature; @@ -112,18 +116,13 @@ 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 - /* - init(); - //init complete - pc_bcn.printf("init complete.....press t to send\n"); - while(pc_bcn.getc()=='t') - { */ - //button.rise(&interrupt_func); //interrupt enabled ( rising edge of pin 9) - wait(0.02); // pl. update this value or even avoid it!!! - int i=0; + writereg(RF22_REG_6F_TX_DATA_RATE,0x50);//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]; @@ -136,20 +135,13 @@ //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]}; - - //uint8_t short_beacon[15]; -// for(int i = 0;i<15;i++) -// { -// short_beacon[i] = 0xAA; -// } - - //writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode ?? + clearTxBuf(); //writing data first time int byte = 0; cs = 0; spi.write(0xFF); - pc_bcn.printf("line 151"); + for (int byte_counter = 0; byte_counter <15 ; byte_counter++) { for(int j = 3; j >= 0 ; j--) @@ -175,43 +167,42 @@ } cs = 1; - pc_bcn.printf("line 177\n"); + //Set to Tx mode - writereg(RF22_REG_07_OPERATING_MODE1,0x09); - + writereg(RF22_REG_07_OPERATING_MODE1,0x08);//* + wait(0.1); //Check for fifoThresh - while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) != 0x20); - //pc_bcn.printf("fifothresh1?\n"); - pc_bcn.printf("line 184\n"); - //rf22.waitPacketSent(); - while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) != 0x04); - //pc_bcn.printf(" chk pkt sent!\r\n"); - pc_bcn.printf("Short packet sent\r\n"); + 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_bcn.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_6E_TX_DATA_RATE,0x08); + writereg(RF22_REG_6F_TX_DATA_RATE,0x31);//1000 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++) + uint8_t Long_beacon[125]; + for(int i = 0;i<125;) { - Long_beacon[i] = 0xA0; + Long_beacon[i++] = 0xAA; } //setModeIdle(); - writereg(RF22_REG_07_OPERATING_MODE1,0x01); //ready mode clearTxBuf(); //writing data first time cs = 0; @@ -223,32 +214,35 @@ cs = 1; //Set to Tx mode - writereg(RF22_REG_07_OPERATING_MODE1,0x09); - + writereg(RF22_REG_07_OPERATING_MODE1,0x08);//* + wait(0.1); + //Check for fifoThresh - while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) != 0x20); + 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++) + for(int i=60; i<125;i++) { spi.write(Long_beacon[i]); } cs = 1; - wait(0.01); + wait(0.1); //Check for fifoThresh - while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) != 0x20); + while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x20) == 0x20)break; + timeout_count=10e5; //Check for packetsent interrupt - while((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) != 0x04); + while(timeout_count--)if((readreg(RF22_REG_03_INTERRUPT_STATUS1) & 0x04) == 0x04)break; - pc_bcn.printf("Long packet sent\r\n"); + //pc_bcn.printf("Long packet sent\r\n"); writereg(RF22_REG_07_OPERATING_MODE1,0x00); //standby mode } -void reset_uC() +void reset_rfm() { - P_BCN_INIT(); + FCTN_BCN_INIT(); } void writereg(uint8_t reg,uint8_t val) { @@ -265,7 +259,7 @@ } else if(count == 5) { - reset_uC(), printf("reg = 0x%X\n",reg);break; + reset_rfm(), printf("reg = 0x%X\n",reg);break; } } else @@ -281,19 +275,13 @@ writereg(RF22_REG_08_OPERATING_MODE2,0x01); writereg(RF22_REG_08_OPERATING_MODE2,0x00); } -uint8_t setFrequency(double centre,float afcPullInRange) +uint8_t setFrequency(double centre) { 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; @@ -306,14 +294,15 @@ 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 @@ -322,11 +311,11 @@ pc_bcn.printf("spi connection valid\r\n"); else {pc_bcn.printf("error in spi connection\r\n"); - reset_uC(); + reset_rfm(); } writereg(RF22_REG_07_OPERATING_MODE1,0x80); //sw_reset - wait(1); //takes time to reset + wait(0.1); //takes time to reset clearTxBuf(); @@ -344,28 +333,28 @@ writereg(RF22_REG_0B_GPIO_CONFIGURATION0,0x15); // TX state writereg(RF22_REG_0C_GPIO_CONFIGURATION1,0x12); // RX state - setFrequency(435.0,05); + setFrequency(435.0); if((readreg(RF22_REG_02_DEVICE_STATUS)& 0x08)!= 0x00) { - //pc_bcn.printf("frequency not set properly\r\n"); - reset_uC(); + pc_bcn.printf("frequency not set properly\r\n"); + reset_rfm(); } //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_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); + //writereg(RF22_REG_69_AGC_OVERRIDE1,0x60); //Data rate set later @@ -390,16 +379,3 @@ return 0; } } -/*int main() -{ - P_BCN_INIT(); - - loop.attach(&P_BCN_TX_MAIN, 10.0); - - while(t.read() < RF_SILENCE_TIME); - - P_BCN_FEN(); - - while(1); - -}*/ \ No newline at end of file