Seeker of Truth , / Mbed 2 deprecated pcb_bae_testing_vr1_1_1

i2c testing for integration

Dependencies:   mbed-rtos mbed

Fork of pcb_test_v1_1_1 by sakthi priya amirtharaj

beacon.cpp@2:3d9ca9554adf, 2015-04-09 (annotated)

Committer:
raizel_varun
Date:
Thu Apr 09 15:12:12 2015 +0000
Revision:
2:3d9ca9554adf
Parent:
1:bbddd1763652 
testing , i2c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sakthipriya 0:e91ee0e99213 1 //switch off the sync!!!!!!!
sakthipriya 0:e91ee0e99213 2 //switch off the preamble!!!!!!!
sakthipriya 0:e91ee0e99213 3 /*for crc in tx:
sakthipriya 0:e91ee0e99213 4 regIrq2(0x28) :
sakthipriya 0:e91ee0e99213 5
sakthipriya 0:e91ee0e99213 6 regpacketconfig 1(0x37) :
sakthipriya 0:e91ee0e99213 7 set crc detection/calc. on : | 0x10
sakthipriya 0:e91ee0e99213 8 crcautoclearoff : | 0x08
sakthipriya 0:e91ee0e99213 9
sakthipriya 0:e91ee0e99213 10 for data whitening : regpacketconfig 1(0x37) :| 0x40
sakthipriya 0:e91ee0e99213 11 for
sakthipriya 0:e91ee0e99213 12
sakthipriya 0:e91ee0e99213 13
sakthipriya 0:e91ee0e99213 14
sakthipriya 0:e91ee0e99213 15 */
sakthipriya 0:e91ee0e99213 16 // 6CC000 for 435 MHz
sakthipriya 0:e91ee0e99213 17 //set all values as FF for checking on spectrum analyzer
sakthipriya 0:e91ee0e99213 18 #include "beacon.h"
sakthipriya 0:e91ee0e99213 19 #include "HK.h"
sakthipriya 1:bbddd1763652 20 #include "pin_config.h"
sakthipriya 0:e91ee0e99213 21 Serial chavan(USBTX, USBRX); // tx, rx
sakthipriya 1:bbddd1763652 22 //SPI spi(PIN2,PIN1,PIN3); // mosi, miso, sclk
sakthipriya 0:e91ee0e99213 23 DigitalOut cs_bar(PIN6); //slave select or chip select
sakthipriya 1:bbddd1763652 24 SPI spi(PTD6,PTD7,PTD5); // mosi, miso, sclk
sakthipriya 1:bbddd1763652 25 //DigitalOut cs_bar(PTC11); //slave select or chip select
sakthipriya 0:e91ee0e99213 26 //InterruptIn button(p9);
sakthipriya 0:e91ee0e99213 27 //#define TIMES 16
sakthipriya 0:e91ee0e99213 28 //Timer t;
sakthipriya 0:e91ee0e99213 29
sakthipriya 0:e91ee0e99213 30 /*void interrupt_func()
sakthipriya 0:e91ee0e99213 31 {
sakthipriya 0:e91ee0e99213 32 chavan.printf("INTERRUPT_FUNC TRIGGERED\n wait for 3 secs\n");
sakthipriya 0:e91ee0e99213 33 wait(3);
sakthipriya 0:e91ee0e99213 34
sakthipriya 0:e91ee0e99213 35 }*/
sakthipriya 0:e91ee0e99213 36
sakthipriya 0:e91ee0e99213 37 extern ShortBeacy Shortbeacon;
sakthipriya 0:e91ee0e99213 38 void writereg(uint8_t reg,uint8_t val)
sakthipriya 0:e91ee0e99213 39 {
sakthipriya 0:e91ee0e99213 40 cs_bar = 0;
sakthipriya 0:e91ee0e99213 41 spi.write(reg | 0x80);
sakthipriya 0:e91ee0e99213 42 spi.write(val);
sakthipriya 0:e91ee0e99213 43 cs_bar = 1;
sakthipriya 0:e91ee0e99213 44 }
sakthipriya 0:e91ee0e99213 45 uint8_t readreg(uint8_t reg)
sakthipriya 0:e91ee0e99213 46 {
sakthipriya 0:e91ee0e99213 47 uint8_t val;
sakthipriya 0:e91ee0e99213 48 cs_bar = 0;
sakthipriya 0:e91ee0e99213 49 spi.write(reg & ~0x80);
sakthipriya 0:e91ee0e99213 50 val = spi.write(0);
sakthipriya 0:e91ee0e99213 51 cs_bar = 1;
sakthipriya 0:e91ee0e99213 52 return val;
sakthipriya 0:e91ee0e99213 53 }
sakthipriya 0:e91ee0e99213 54
sakthipriya 0:e91ee0e99213 55 void FUNC_BEA() {
sakthipriya 0:e91ee0e99213 56
sakthipriya 0:e91ee0e99213 57 //button.rise(&interrupt_func); //interrupt enabled ( rising edge of pin 9)
sakthipriya 0:e91ee0e99213 58 printf("\n\rBeacon function entered\n\r");
sakthipriya 0:e91ee0e99213 59 wait(0.02); //takes 10 ms for POR event + 10ms for safety
sakthipriya 0:e91ee0e99213 60
sakthipriya 0:e91ee0e99213 61 uint8_t byte_counter = 0;
sakthipriya 0:e91ee0e99213 62
sakthipriya 0:e91ee0e99213 63 /*struct Short_beacon{
sakthipriya 0:e91ee0e99213 64 uint8_t Voltage[1];
sakthipriya 0:e91ee0e99213 65 uint8_t AngularSpeed[2];
sakthipriya 0:e91ee0e99213 66 uint8_t SubsystemStatus[1];
sakthipriya 0:e91ee0e99213 67 uint8_t Temp[3];
sakthipriya 0:e91ee0e99213 68 uint8_t ErrorFlag[1];
sakthipriya 0:e91ee0e99213 69 }Shortbeacon = { {0x22}, {0x22, 0x33} , {0x00},{0x00,0x00,0x00}, {0xFE} };
sakthipriya 0:e91ee0e99213 70 */
sakthipriya 0:e91ee0e99213 71 //filling hk data
sakthipriya 0:e91ee0e99213 72 //ShortBeacon Shortbeacon;
sakthipriya 0:e91ee0e99213 73 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]};
sakthipriya 0:e91ee0e99213 74
sakthipriya 0:e91ee0e99213 75 //mask
sakthipriya 0:e91ee0e99213 76 //uint8_t mask[] = {0x80, 0x40, 0x20,0x10,0x8,0x4,0x2,0x1};
sakthipriya 0:e91ee0e99213 77
sakthipriya 0:e91ee0e99213 78 for(int i = 0; i < 15 ; i++)
sakthipriya 0:e91ee0e99213 79 {
sakthipriya 0:e91ee0e99213 80 chavan.printf("0x%X\n\r",(short_beacon[i]));
sakthipriya 0:e91ee0e99213 81 }
sakthipriya 0:e91ee0e99213 82
sakthipriya 0:e91ee0e99213 83 spi.format(8,0);
sakthipriya 0:e91ee0e99213 84 spi.frequency(10000000); //10MHz SCLK frequency(its max for rfm69hcw)
sakthipriya 0:e91ee0e99213 85 cs_bar = 1; // Chip must be deselected
sakthipriya 0:e91ee0e99213 86
sakthipriya 0:e91ee0e99213 87 //initialization
sakthipriya 0:e91ee0e99213 88 //Common configuration registers
sakthipriya 0:e91ee0e99213 89 writereg(0x01,0x04); //sequencer on,standby mode
sakthipriya 0:e91ee0e99213 90 writereg(0x02,0x08); //packet-mode used , ook modultion , no dc-shaping
sakthipriya 0:e91ee0e99213 91 writereg(0x03,0x68); //1200bps datarate
sakthipriya 0:e91ee0e99213 92 writereg(0x04,0x2B); //1200bps datarate
sakthipriya 0:e91ee0e99213 93 writereg(0x07,0x6C); //Frequency MSB
sakthipriya 0:e91ee0e99213 94 writereg(0x08,0xC0); //Frequency MID
sakthipriya 0:e91ee0e99213 95 writereg(0x09,0x00); //Frequency LSB ....6C C0 00 for 435 MHZ
sakthipriya 0:e91ee0e99213 96
sakthipriya 0:e91ee0e99213 97 //Transmitter registers
sakthipriya 0:e91ee0e99213 98 // RegPaLevel(default +13 dBm)
sakthipriya 0:e91ee0e99213 99
sakthipriya 0:e91ee0e99213 100 //IRQ and Pin Mapping Registers
sakthipriya 0:e91ee0e99213 101 //no DIO mapped yet
sakthipriya 0:e91ee0e99213 102 //regirq1(0x27): modeready (8th bit) will be checked for interrupts
sakthipriya 0:e91ee0e99213 103 //regIrq2(0x28): fifothresh (5th bit) ,packetsent(3rd bit) will be checked for interrupts
sakthipriya 0:e91ee0e99213 104
sakthipriya 0:e91ee0e99213 105 //Packet Engine Registers
sakthipriya 0:e91ee0e99213 106 writereg(0x2C,0x00); //set preamble
sakthipriya 0:e91ee0e99213 107 writereg(0x2D,0x0A); //set preamble
sakthipriya 0:e91ee0e99213 108 writereg(0x2E,0x80); //sync off
sakthipriya 0:e91ee0e99213 109 writereg(0x2F,0x5E); //sync word 1
sakthipriya 0:e91ee0e99213 110 writereg(0x37,0x08 | 0x40);// | 0x10); //packetconfig1, 0x40 for data whitening (only for testing)
sakthipriya 0:e91ee0e99213 111 writereg(0x38,0x00); //payload length = 0 ... unlimited payload mode
sakthipriya 0:e91ee0e99213 112 writereg(0x3C,0xB0); //fifothresh = 48 because we want it cleared once its 40!!!!
sakthipriya 0:e91ee0e99213 113 //Initialization complete
sakthipriya 0:e91ee0e99213 114
sakthipriya 0:e91ee0e99213 115 //while(chavan.getc() == 't'){
sakthipriya 0:e91ee0e99213 116 //t.start();
sakthipriya 0:e91ee0e99213 117 //Filling Data into FIFO 64 BYTES : eff.32 bits = 4bytes //fread
sakthipriya 0:e91ee0e99213 118 cs_bar = 0;
sakthipriya 0:e91ee0e99213 119 spi.write(0x80);//fifo write access
sakthipriya 0:e91ee0e99213 120 for(byte_counter=0 ; byte_counter<4; byte_counter++)
sakthipriya 0:e91ee0e99213 121 {
sakthipriya 0:e91ee0e99213 122 for(int i=7; i>=0 ; i--)
sakthipriya 0:e91ee0e99213 123 {
sakthipriya 0:e91ee0e99213 124 if((short_beacon[byte_counter] & (uint8_t) pow(2.0,i))!=0)
sakthipriya 0:e91ee0e99213 125 //if((short_beacon[byte_counter] & mask[i]) != 0)
sakthipriya 0:e91ee0e99213 126 {
sakthipriya 0:e91ee0e99213 127 spi.write(0xFF);
sakthipriya 0:e91ee0e99213 128 spi.write(0xFF);
sakthipriya 0:e91ee0e99213 129 }
sakthipriya 0:e91ee0e99213 130 else
sakthipriya 0:e91ee0e99213 131 {
sakthipriya 0:e91ee0e99213 132 spi.write(0x00);
sakthipriya 0:e91ee0e99213 133 spi.write(0x00);
sakthipriya 0:e91ee0e99213 134 }
sakthipriya 0:e91ee0e99213 135 }
sakthipriya 0:e91ee0e99213 136 }
sakthipriya 0:e91ee0e99213 137 cs_bar = 1; //cs_bar
sakthipriya 0:e91ee0e99213 138
sakthipriya 0:e91ee0e99213 139 //Check for fifoThresh
sakthipriya 0:e91ee0e99213 140 printf("\n\rfor loop executed\n\r");
sakthipriya 0:e91ee0e99213 141 while((readreg(0x28) & 0x20) != 0x20);
sakthipriya 0:e91ee0e99213 142 printf("\n\rwhile loop executed\n\r");
sakthipriya 0:e91ee0e99213 143 //Highpower settings
sakthipriya 0:e91ee0e99213 144 writereg(0x11,0x7F); //RegPalevel (20db) //~
sakthipriya 0:e91ee0e99213 145 writereg(0x13,0x0F); //RegOCP
sakthipriya 0:e91ee0e99213 146 writereg(0x5A,0x5D); //RegTestPa1
sakthipriya 0:e91ee0e99213 147 writereg(0x5C,0x7C); //RegTestPa2
sakthipriya 0:e91ee0e99213 148
sakthipriya 0:e91ee0e99213 149 //Set to Tx mode
sakthipriya 0:e91ee0e99213 150 writereg(0x01,0x0C);
sakthipriya 0:e91ee0e99213 151
sakthipriya 0:e91ee0e99213 152 printf("\n\rpre 2nd while loop\n\r");
sakthipriya 0:e91ee0e99213 153 //Check for fifoThresh
sakthipriya 0:e91ee0e99213 154 while((readreg(0x28) & 0x20) != 0x00);
sakthipriya 0:e91ee0e99213 155 printf("\n\r2nd while loop executed\n\r");
sakthipriya 0:e91ee0e99213 156 while(byte_counter!=15){
sakthipriya 0:e91ee0e99213 157
sakthipriya 0:e91ee0e99213 158 //writing again
sakthipriya 0:e91ee0e99213 159 cs_bar = 0;
sakthipriya 0:e91ee0e99213 160 spi.write(0x80);
sakthipriya 0:e91ee0e99213 161 for(int i=7; i>=0 ;i--)
sakthipriya 0:e91ee0e99213 162 {
sakthipriya 0:e91ee0e99213 163 if((short_beacon[byte_counter] & (uint8_t) pow(2.0,i))!=0)
sakthipriya 0:e91ee0e99213 164 //if((short_beacon[byte_counter] & mask[i]) != 0)
sakthipriya 0:e91ee0e99213 165 {
sakthipriya 0:e91ee0e99213 166 spi.write(0xFF);
sakthipriya 0:e91ee0e99213 167 spi.write(0xFF);
sakthipriya 0:e91ee0e99213 168 }
sakthipriya 0:e91ee0e99213 169 else
sakthipriya 0:e91ee0e99213 170 {
sakthipriya 0:e91ee0e99213 171 spi.write(0x00);
sakthipriya 0:e91ee0e99213 172 spi.write(0x00);
sakthipriya 0:e91ee0e99213 173 }
sakthipriya 0:e91ee0e99213 174 }
sakthipriya 0:e91ee0e99213 175 cs_bar = 1;
sakthipriya 0:e91ee0e99213 176 byte_counter++;
sakthipriya 0:e91ee0e99213 177
sakthipriya 0:e91ee0e99213 178 //Check for fifoThresh
sakthipriya 0:e91ee0e99213 179 while((readreg(0x28) & 0x20) != 0x00);
sakthipriya 0:e91ee0e99213 180 }
sakthipriya 0:e91ee0e99213 181 printf("\n\r3rd big while loop executed\n\r");
sakthipriya 0:e91ee0e99213 182 //wait for packet sent bit to fire
sakthipriya 0:e91ee0e99213 183 while((readreg(0x28) & 0x08) != 0x08);
sakthipriya 0:e91ee0e99213 184 printf("\n\r4th while loop executed\n\r");
sakthipriya 0:e91ee0e99213 185 //chavan.printf("packet sent!!! \n\r");
sakthipriya 0:e91ee0e99213 186
sakthipriya 0:e91ee0e99213 187 //Switch back to Standby Mode
sakthipriya 0:e91ee0e99213 188 writereg(0x01,0x04);
sakthipriya 0:e91ee0e99213 189
sakthipriya 0:e91ee0e99213 190 //Lowpowermode
sakthipriya 0:e91ee0e99213 191 writereg(0x11,0x9F); //RegPalevel (13db)
sakthipriya 0:e91ee0e99213 192 writereg(0x13,0x1A); //RegOCP
sakthipriya 0:e91ee0e99213 193 writereg(0x5A,0x55); //RegTestPa1(setting PA_BOOST on RFIO)
sakthipriya 0:e91ee0e99213 194 writereg(0x5C,0x70); //RegTestPa2(setting PA_BOOST on RFIO)
sakthipriya 0:e91ee0e99213 195
sakthipriya 0:e91ee0e99213 196 //wait for modeready
sakthipriya 0:e91ee0e99213 197 while((readreg(0x27)&0x80)!=0x80);
sakthipriya 0:e91ee0e99213 198
sakthipriya 0:e91ee0e99213 199 //t.stop();
sakthipriya 0:e91ee0e99213 200 //chavan.printf(" time taken to init + transmit = %f \n", t.read()) ;
sakthipriya 0:e91ee0e99213 201 //}
sakthipriya 0:e91ee0e99213 202 printf("\n\rBeacon function exiting\n\r");
sakthipriya 0:e91ee0e99213 203 }