Seeker of Truth , / Mbed 2 deprecated cdms_i2csdrtc

i2c+sd+rtc , ported untested code , working probability 90% if i2c works

Dependencies:   SDFileSystem mbed-rtos mbed-src mbed

Fork of cdms_SD_rtc by Suresh Susurla

main.cpp@1:59da9694681e, 2015-04-10 (annotated)

Committer:
raizel_varun
Date:
Fri Apr 10 16:13:02 2015 +0000
Revision:
1:59da9694681e
Parent:
0:2e3d21e95c97 
rtc+sd+i2c;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sureshsusurla 0:2e3d21e95c97 1 #include "mbed.h"
sureshsusurla 0:2e3d21e95c97 2 #include "SDFileSystem.h"
sureshsusurla 0:2e3d21e95c97 3
sureshsusurla 0:2e3d21e95c97 4 /************************Include the required Header files for the code *******************************/
sureshsusurla 0:2e3d21e95c97 5 #include "mbed.h"
sureshsusurla 0:2e3d21e95c97 6 #include "string.h"
sureshsusurla 0:2e3d21e95c97 7
raizel_varun 1:59da9694681e 8 #include "rtos.h"
raizel_varun 1:59da9694681e 9 #include "pin_config.h"
raizel_varun 1:59da9694681e 10 const int addr = 0x20; //slave address
raizel_varun 1:59da9694681e 11 I2C master (PIN72,PIN71); //configure pins p27,p28 as I2C master
raizel_varun 1:59da9694681e 12 Serial pc (USBTX,USBRX);
raizel_varun 1:59da9694681e 13 DigitalOut interrupt(PIN4);
raizel_varun 1:59da9694681e 14 InterruptIn data_ready(PIN39);
raizel_varun 1:59da9694681e 15
raizel_varun 1:59da9694681e 16
raizel_varun 1:59da9694681e 17 int reset;
raizel_varun 1:59da9694681e 18 Timer t;
raizel_varun 1:59da9694681e 19 Timer t1;
raizel_varun 1:59da9694681e 20 Timer t2;
raizel_varun 1:59da9694681e 21 Timer t3;
raizel_varun 1:59da9694681e 22
raizel_varun 1:59da9694681e 23 typedef struct
raizel_varun 1:59da9694681e 24 {
raizel_varun 1:59da9694681e 25 char data; // To avoid dynamic memory allocation
raizel_varun 1:59da9694681e 26 int length;
raizel_varun 1:59da9694681e 27 }i2c_data;
raizel_varun 1:59da9694681e 28
raizel_varun 1:59da9694681e 29 //Mail<i2c_data,16> i2c_data_receive;
raizel_varun 1:59da9694681e 30 Mail<i2c_data,16> i2c_data_send;
raizel_varun 1:59da9694681e 31
raizel_varun 1:59da9694681e 32 Thread * ptr_t_i2c;
raizel_varun 1:59da9694681e 33 void FUNC_I2C_MASTER_FSLAVE(char * data,int length)
raizel_varun 1:59da9694681e 34 {
raizel_varun 1:59da9694681e 35
raizel_varun 1:59da9694681e 36
raizel_varun 1:59da9694681e 37 bool ack0 =true;
raizel_varun 1:59da9694681e 38
raizel_varun 1:59da9694681e 39 interrupt = 1;
raizel_varun 1:59da9694681e 40 t1.start();
raizel_varun 1:59da9694681e 41 //wait_ms(20);
raizel_varun 1:59da9694681e 42 ack0 = master.read(addr|1,data,length);
raizel_varun 1:59da9694681e 43 t1.stop();
raizel_varun 1:59da9694681e 44
raizel_varun 1:59da9694681e 45
raizel_varun 1:59da9694681e 46 if(!ack0)
raizel_varun 1:59da9694681e 47 {
raizel_varun 1:59da9694681e 48 printf("\n master has read %s from slave\n\r",data);
raizel_varun 1:59da9694681e 49
raizel_varun 1:59da9694681e 50 }
raizel_varun 1:59da9694681e 51 //master.stop();
raizel_varun 1:59da9694681e 52 printf("\n%d\n\r",t1.read_us());
raizel_varun 1:59da9694681e 53 t1.reset();
raizel_varun 1:59da9694681e 54
raizel_varun 1:59da9694681e 55 interrupt=0;
raizel_varun 1:59da9694681e 56
raizel_varun 1:59da9694681e 57 }
raizel_varun 1:59da9694681e 58
raizel_varun 1:59da9694681e 59 typedef struct {
raizel_varun 1:59da9694681e 60 char Voltage[9];
raizel_varun 1:59da9694681e 61 char Current[5];
raizel_varun 1:59da9694681e 62 char Temperature[2];
raizel_varun 1:59da9694681e 63 char PanelTemperature[3];//read by the 4 thermistors on solar panels
raizel_varun 1:59da9694681e 64 char BatteryTemperature; //to be populated
raizel_varun 1:59da9694681e 65 char faultpoll; //polled faults
raizel_varun 1:59da9694681e 66 char faultir; //interrupted faults
raizel_varun 1:59da9694681e 67 char power_mode; //power modes
raizel_varun 1:59da9694681e 68 char AngularSpeed[3];
raizel_varun 1:59da9694681e 69 char Bnewvalue[3];
raizel_varun 1:59da9694681e 70
raizel_varun 1:59da9694681e 71 //float magnetometer,gyro=>to be addes
raizel_varun 1:59da9694681e 72 } hk_data;
raizel_varun 1:59da9694681e 73 hk_data decode_data;
raizel_varun 1:59da9694681e 74
raizel_varun 1:59da9694681e 75 /*void TC_DECODE(char *data_hk) //getting the structure back from hk data sent by bae
raizel_varun 1:59da9694681e 76 {
raizel_varun 1:59da9694681e 77 for(int i=0;i<=7;i++)
raizel_varun 1:59da9694681e 78 {
raizel_varun 1:59da9694681e 79 decode_data.Voltage[i] = data_hk[i];
raizel_varun 1:59da9694681e 80 decode_data.Voltage[8] = '\0';
raizel_varun 1:59da9694681e 81 }
raizel_varun 1:59da9694681e 82 for(int i=0;i<=3;i++)
raizel_varun 1:59da9694681e 83 {
raizel_varun 1:59da9694681e 84 decode_data.Current[i] = data_hk[8+i];
raizel_varun 1:59da9694681e 85 decode_data.Current[4] = '\0';
raizel_varun 1:59da9694681e 86 }
raizel_varun 1:59da9694681e 87 decode_data.Temperature[0] = data_hk[12];
raizel_varun 1:59da9694681e 88 decode_data.Temperature[1] = '\0';
raizel_varun 1:59da9694681e 89 for(int i=0;i<=1;i++)
raizel_varun 1:59da9694681e 90 {
raizel_varun 1:59da9694681e 91 decode_data.PanelTemperature[i] = data_hk[13+i];
raizel_varun 1:59da9694681e 92 decode_data.PanelTemperature[2] = '\0';
raizel_varun 1:59da9694681e 93 }
raizel_varun 1:59da9694681e 94 decode_data.BatteryTemperature = data_hk[15];
raizel_varun 1:59da9694681e 95 decode_data.faultpoll = data_hk[16];
raizel_varun 1:59da9694681e 96 decode_data.faultir = data_hk[17];
raizel_varun 1:59da9694681e 97 decode_data.power_mode = data_hk[18];
raizel_varun 1:59da9694681e 98 for(int i=0;i<=1;i++)
raizel_varun 1:59da9694681e 99 {
raizel_varun 1:59da9694681e 100 decode_data.AngularSpeed[i] = data_hk[19+i];
raizel_varun 1:59da9694681e 101 decode_data.AngularSpeed[2] = '\0';
raizel_varun 1:59da9694681e 102 }
raizel_varun 1:59da9694681e 103 for(int i=0;i<=1;i++)
raizel_varun 1:59da9694681e 104 {
raizel_varun 1:59da9694681e 105 decode_data.Bnewvalue[i] = data_hk[21+i];
raizel_varun 1:59da9694681e 106 decode_data.Bnewvalue[2] = '\0';
raizel_varun 1:59da9694681e 107 }
raizel_varun 1:59da9694681e 108 printf("\n voltage %s\n\r",decode_data.Voltage);
raizel_varun 1:59da9694681e 109 printf("\n current %s\n\r",decode_data.Current);
raizel_varun 1:59da9694681e 110 printf("\n faultpoll %c\n\r",decode_data.faultpoll);
raizel_varun 1:59da9694681e 111 }*/
raizel_varun 1:59da9694681e 112
raizel_varun 1:59da9694681e 113
raizel_varun 1:59da9694681e 114 void T_I2C_MASTER_FSLAVE(void const *args)
raizel_varun 1:59da9694681e 115 {
raizel_varun 1:59da9694681e 116 char data_receive[25];
raizel_varun 1:59da9694681e 117 while(1)
raizel_varun 1:59da9694681e 118 {
raizel_varun 1:59da9694681e 119 Thread::signal_wait(0x1);
raizel_varun 1:59da9694681e 120
raizel_varun 1:59da9694681e 121
raizel_varun 1:59da9694681e 122 FUNC_I2C_MASTER_FSLAVE(data_receive,25);
raizel_varun 1:59da9694681e 123 /*i2c_data * i2c_data_r = i2c_data_receive.alloc();
raizel_varun 1:59da9694681e 124 strcpy(i2c_data_r->data , data_receive);
raizel_varun 1:59da9694681e 125 i2c_data_r->length = 25;
raizel_varun 1:59da9694681e 126 i2c_data_receive.put(i2c_data_r);*/
raizel_varun 1:59da9694681e 127 printf("\n Data received from slave is %s\n\r",data_receive);
raizel_varun 1:59da9694681e 128 //TC_DECODE(data_receive);
raizel_varun 1:59da9694681e 129 }
raizel_varun 1:59da9694681e 130 }
raizel_varun 1:59da9694681e 131
raizel_varun 1:59da9694681e 132 void FUNC_INT()
raizel_varun 1:59da9694681e 133 {
raizel_varun 1:59da9694681e 134
raizel_varun 1:59da9694681e 135 ptr_t_i2c->signal_set(0x1);
raizel_varun 1:59da9694681e 136
raizel_varun 1:59da9694681e 137 }
raizel_varun 1:59da9694681e 138
raizel_varun 1:59da9694681e 139 char writedata;
raizel_varun 1:59da9694681e 140 bool write2slave;
raizel_varun 1:59da9694681e 141 bool master_status_write;
raizel_varun 1:59da9694681e 142 void FUNC_MASTER_WRITE()
raizel_varun 1:59da9694681e 143 { //wait(1);
raizel_varun 1:59da9694681e 144 write2slave=true;
raizel_varun 1:59da9694681e 145
raizel_varun 1:59da9694681e 146
raizel_varun 1:59da9694681e 147
raizel_varun 1:59da9694681e 148 char data = pc.getc();
raizel_varun 1:59da9694681e 149 interrupt = 1;
raizel_varun 1:59da9694681e 150 t.start();
raizel_varun 1:59da9694681e 151 t3.start();
raizel_varun 1:59da9694681e 152 wait_ms(20);
raizel_varun 1:59da9694681e 153 i2c_data * i2c_data_s = i2c_data_send.alloc();
raizel_varun 1:59da9694681e 154 i2c_data_s->data = data;
raizel_varun 1:59da9694681e 155 i2c_data_s->length = 1;
raizel_varun 1:59da9694681e 156 i2c_data_send.put(i2c_data_s);
raizel_varun 1:59da9694681e 157 master_status_write = true;
raizel_varun 1:59da9694681e 158
raizel_varun 1:59da9694681e 159 // interrupt = 1;
raizel_varun 1:59da9694681e 160
raizel_varun 1:59da9694681e 161 osEvent evt = i2c_data_send.get();
raizel_varun 1:59da9694681e 162 if (evt.status == osEventMail)
raizel_varun 1:59da9694681e 163 {
raizel_varun 1:59da9694681e 164 i2c_data *i2c_data_s = (i2c_data*)evt.value.p;
raizel_varun 1:59da9694681e 165 writedata = i2c_data_s -> data;
raizel_varun 1:59da9694681e 166 t.stop();
raizel_varun 1:59da9694681e 167 //t3.start();
raizel_varun 1:59da9694681e 168 master_status_write = (bool) master.write(addr|0x00,&writedata,1);
raizel_varun 1:59da9694681e 169 t3.stop();
raizel_varun 1:59da9694681e 170 if(master_status_write==0)
raizel_varun 1:59da9694681e 171 {
raizel_varun 1:59da9694681e 172 printf("master has written %c to slave\n\r",writedata);
raizel_varun 1:59da9694681e 173 write2slave=false;
raizel_varun 1:59da9694681e 174 }
raizel_varun 1:59da9694681e 175 i2c_data_send.free(i2c_data_s);
raizel_varun 1:59da9694681e 176 printf("\n%d\n",t.read_us());
raizel_varun 1:59da9694681e 177 t.reset();
raizel_varun 1:59da9694681e 178 printf("\n%d\n",t3.read_us());
raizel_varun 1:59da9694681e 179 t3.reset();
raizel_varun 1:59da9694681e 180 }
raizel_varun 1:59da9694681e 181 interrupt = 0;
raizel_varun 1:59da9694681e 182 }
raizel_varun 1:59da9694681e 183
raizel_varun 1:59da9694681e 184
raizel_varun 1:59da9694681e 185
raizel_varun 1:59da9694681e 186
raizel_varun 1:59da9694681e 187
raizel_varun 1:59da9694681e 188
raizel_varun 1:59da9694681e 189
raizel_varun 1:59da9694681e 190
raizel_varun 1:59da9694681e 191
sureshsusurla 0:2e3d21e95c97 192 /********************************** Function Prototypes declaration ***********************************/
sureshsusurla 0:2e3d21e95c97 193 int FUNC_CDMS_hex2int(int); // Need to convert the RTC time values to integers
sureshsusurla 0:2e3d21e95c97 194 void FUNC_CDMS_Gettime(void); // Function to get the time values from RTC registers
sureshsusurla 0:2e3d21e95c97 195 void FUNC_CDMS_init_values(void); // Function to initialize the registers in the RTC
sureshsusurla 0:2e3d21e95c97 196
sureshsusurla 0:2e3d21e95c97 197
sureshsusurla 0:2e3d21e95c97 198 /***************** Configure the SPI1 of the CDMS uc as the data bus for the RTC***********************/
sureshsusurla 0:2e3d21e95c97 199 SPI spi(PTE1,PTE3, PTE2); // mosi, miso, sclk
sureshsusurla 0:2e3d21e95c97 200 DigitalOut cs(PTE29); // PTE29 is used for chip select
sureshsusurla 0:2e3d21e95c97 201
sureshsusurla 0:2e3d21e95c97 202 char ch;
sureshsusurla 0:2e3d21e95c97 203 SDFileSystem sd(PTE1, PTE3, PTE2, PTE22, "sd"); // the pinout on the mbed Cool Components workshop board
raizel_varun 1:59da9694681e 204
sureshsusurla 0:2e3d21e95c97 205 char time_stamp[15];
sureshsusurla 0:2e3d21e95c97 206
sureshsusurla 0:2e3d21e95c97 207 /***********************Initialization function of the RTC********************************************/
sureshsusurla 0:2e3d21e95c97 208 void FUNC_CDMS_init_values(void)
sureshsusurla 0:2e3d21e95c97 209 {
sureshsusurla 0:2e3d21e95c97 210 cs=0;
sureshsusurla 0:2e3d21e95c97 211 spi.format(8,3); // Set the data bit with to be of 8 bits,
sureshsusurla 0:2e3d21e95c97 212 // data tx mode is 3
sureshsusurla 0:2e3d21e95c97 213 spi.frequency(1000000); // Set Data rate to be 1 MHz
sureshsusurla 0:2e3d21e95c97 214
sureshsusurla 0:2e3d21e95c97 215 cs = 0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 216 spi.write(0x80); // Send the address of the Seconds register 0x80
sureshsusurla 0:2e3d21e95c97 217 spi.write(0x00); // Set seconds value to 0
sureshsusurla 0:2e3d21e95c97 218 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 219
sureshsusurla 0:2e3d21e95c97 220 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 221 spi.write(0x81); // Send the address of the Minutes register 0x81
sureshsusurla 0:2e3d21e95c97 222 spi.write(0x00); // Set minutes value to 0
sureshsusurla 0:2e3d21e95c97 223 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 224
sureshsusurla 0:2e3d21e95c97 225 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 226 spi.write(0x82); // Send the address of the Hours register 0x82
sureshsusurla 0:2e3d21e95c97 227 spi.write(0x00); // Set hours value to 0
sureshsusurla 0:2e3d21e95c97 228 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 229
sureshsusurla 0:2e3d21e95c97 230 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 231 spi.write(0x83); // Send the address of the Day register 0x83
sureshsusurla 0:2e3d21e95c97 232 spi.write(0x01); // Set the day to 01
sureshsusurla 0:2e3d21e95c97 233 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 234
sureshsusurla 0:2e3d21e95c97 235 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 236 spi.write(0x84); // Send the address of the date register 0x84
sureshsusurla 0:2e3d21e95c97 237 spi.write(0x01); // Set date of the month to 01
sureshsusurla 0:2e3d21e95c97 238 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 239
sureshsusurla 0:2e3d21e95c97 240 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 241 spi.write(0x85); // Send the address of the Month register 0x80
sureshsusurla 0:2e3d21e95c97 242 spi.write(0x01); // Set month to 01
sureshsusurla 0:2e3d21e95c97 243 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 244
sureshsusurla 0:2e3d21e95c97 245 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 246 spi.write(0x86); // Send the address of the year register 0x80
sureshsusurla 0:2e3d21e95c97 247 spi.write(0x00); // Set year to 00(2000)
sureshsusurla 0:2e3d21e95c97 248 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 249 }// End of INIT Function
sureshsusurla 0:2e3d21e95c97 250
sureshsusurla 0:2e3d21e95c97 251
sureshsusurla 0:2e3d21e95c97 252 /*********************************Function to read the RTC registers*********************************/
sureshsusurla 0:2e3d21e95c97 253 void FUNC_CDMS_Gettime()
sureshsusurla 0:2e3d21e95c97 254 {
sureshsusurla 0:2e3d21e95c97 255
sureshsusurla 0:2e3d21e95c97 256 spi.format(8,3); // Set the data bit with to be of 8 bits,
sureshsusurla 0:2e3d21e95c97 257 // data tx mode is 3
sureshsusurla 0:2e3d21e95c97 258 spi.frequency(1000000); // Set Data rate to be 1 MHz
sureshsusurla 0:2e3d21e95c97 259 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 260
sureshsusurla 0:2e3d21e95c97 261 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 262 spi.write(0x00); // Sending address of seconds register
sureshsusurla 0:2e3d21e95c97 263 int seconds = spi.write(0x00); // Read the value by sending dummy byte
sureshsusurla 0:2e3d21e95c97 264 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 265
sureshsusurla 0:2e3d21e95c97 266 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 267 spi.write(0x01); // Sending address of Minutes register
sureshsusurla 0:2e3d21e95c97 268 int minutes =spi.write(0x01); // Read the value by sending dummy byte
sureshsusurla 0:2e3d21e95c97 269 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 270
sureshsusurla 0:2e3d21e95c97 271 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 272 spi.write(0x02); // Sending address of hours register
sureshsusurla 0:2e3d21e95c97 273 int hours =spi.write(0x01); // Read the value by sending dummy byte
sureshsusurla 0:2e3d21e95c97 274 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 275
sureshsusurla 0:2e3d21e95c97 276 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 277 spi.write(0x03); // Sending address of day register
sureshsusurla 0:2e3d21e95c97 278 int day =spi.write(0x01); // Read the value by sending dummy byte
sureshsusurla 0:2e3d21e95c97 279 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 280
sureshsusurla 0:2e3d21e95c97 281 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 282 spi.write(0x04); // Sending address of date register
sureshsusurla 0:2e3d21e95c97 283 int date =spi.write(0x01); // Read the value by sending dummy byte
sureshsusurla 0:2e3d21e95c97 284 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 285
sureshsusurla 0:2e3d21e95c97 286 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 287 spi.write(0x05); // Sending address of month register
sureshsusurla 0:2e3d21e95c97 288 int month =spi.write(0x01); // Read the value by sending dummy byte
sureshsusurla 0:2e3d21e95c97 289 cs=1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 290
sureshsusurla 0:2e3d21e95c97 291 cs=0; // Set chip select pin to be 0: Activate RTC chip
sureshsusurla 0:2e3d21e95c97 292 spi.write(0x06); // Sending address of year register
sureshsusurla 0:2e3d21e95c97 293 int year =spi.write(0x01); // Read the value by sending dummy byte
sureshsusurla 0:2e3d21e95c97 294 cs = 1; // Set chip select pin to be 1: DeActivate RTC chip
sureshsusurla 0:2e3d21e95c97 295
sureshsusurla 0:2e3d21e95c97 296 // RTC sends in BCD format.. SO we convert the values generated by RTC to integers
sureshsusurla 0:2e3d21e95c97 297 year = FUNC_CDMS_hex2int(year);
sureshsusurla 0:2e3d21e95c97 298 month = FUNC_CDMS_hex2int(month);
sureshsusurla 0:2e3d21e95c97 299 date = FUNC_CDMS_hex2int(date);
sureshsusurla 0:2e3d21e95c97 300 day = FUNC_CDMS_hex2int(day);
sureshsusurla 0:2e3d21e95c97 301 hours = FUNC_CDMS_hex2int(hours);
sureshsusurla 0:2e3d21e95c97 302 minutes = FUNC_CDMS_hex2int(minutes);
sureshsusurla 0:2e3d21e95c97 303 seconds = FUNC_CDMS_hex2int(seconds);
sureshsusurla 0:2e3d21e95c97 304
sureshsusurla 0:2e3d21e95c97 305 // Print the obtained Time stamp
sureshsusurla 0:2e3d21e95c97 306 //printf("The time is :%d %d %d %d %d %d %d \n\r",seconds,minutes,hours,day,date,month,year);
sureshsusurla 0:2e3d21e95c97 307 sprintf(time_stamp,"%02d%02d%02d%02d%02d%02d",year,month,date,hours,minutes,seconds);
sureshsusurla 0:2e3d21e95c97 308 printf(" \n\r Received HK data from BAE");
sureshsusurla 0:2e3d21e95c97 309 printf("\n HK_data stored in %s.txt",time_stamp);
sureshsusurla 0:2e3d21e95c97 310 //puts(time_stamp);
sureshsusurla 0:2e3d21e95c97 311 //printf(".txt");
sureshsusurla 0:2e3d21e95c97 312 }//End of Read Function
sureshsusurla 0:2e3d21e95c97 313
sureshsusurla 0:2e3d21e95c97 314 /**************************Function to convert Hex values to Int values*****************************/
sureshsusurla 0:2e3d21e95c97 315 int FUNC_CDMS_hex2int(int a)
sureshsusurla 0:2e3d21e95c97 316 {
sureshsusurla 0:2e3d21e95c97 317 a=(a/16)*10+(a%16); //function to convert hex type to int type
sureshsusurla 0:2e3d21e95c97 318 return a;
sureshsusurla 0:2e3d21e95c97 319 }// End of convert function
sureshsusurla 0:2e3d21e95c97 320
sureshsusurla 0:2e3d21e95c97 321
sureshsusurla 0:2e3d21e95c97 322 /******************************************END OF RTC CODE ****************************************/
sureshsusurla 0:2e3d21e95c97 323
sureshsusurla 0:2e3d21e95c97 324 char count = 10;
sureshsusurla 0:2e3d21e95c97 325 void store_data()
sureshsusurla 0:2e3d21e95c97 326 {
sureshsusurla 0:2e3d21e95c97 327 FUNC_CDMS_Gettime();
sureshsusurla 0:2e3d21e95c97 328
sureshsusurla 0:2e3d21e95c97 329 char hk_data[25];
sureshsusurla 0:2e3d21e95c97 330 count++;
sureshsusurla 0:2e3d21e95c97 331 strcpy(hk_data,"hk_Data ");
sureshsusurla 0:2e3d21e95c97 332 strcat(hk_data,"!@@#");
sureshsusurla 0:2e3d21e95c97 333 hk_data[10] = count;
sureshsusurla 0:2e3d21e95c97 334 //storedata(hk_data);
sureshsusurla 0:2e3d21e95c97 335 mkdir("/sd/hk", 0777);
sureshsusurla 0:2e3d21e95c97 336 char add[20];
sureshsusurla 0:2e3d21e95c97 337 strcpy(add,"/sd/hk/");
sureshsusurla 0:2e3d21e95c97 338 strcat(add,time_stamp);
sureshsusurla 0:2e3d21e95c97 339 strcat(add,".txt");
sureshsusurla 0:2e3d21e95c97 340
sureshsusurla 0:2e3d21e95c97 341 FILE *fp = fopen(add, "w");
sureshsusurla 0:2e3d21e95c97 342 if(fp == NULL) {
sureshsusurla 0:2e3d21e95c97 343 error("Could not open file for write\n");
sureshsusurla 0:2e3d21e95c97 344 }
sureshsusurla 0:2e3d21e95c97 345 else
sureshsusurla 0:2e3d21e95c97 346 {
sureshsusurla 0:2e3d21e95c97 347
sureshsusurla 0:2e3d21e95c97 348 fprintf(fp, "%s ",hk_data);
sureshsusurla 0:2e3d21e95c97 349 fclose(fp);
sureshsusurla 0:2e3d21e95c97 350 printf("\n File stored in SD card\n");
sureshsusurla 0:2e3d21e95c97 351 //printf("\n Reading from the file .... \n Data is %s\n",hk_data);
sureshsusurla 0:2e3d21e95c97 352
sureshsusurla 0:2e3d21e95c97 353 }
sureshsusurla 0:2e3d21e95c97 354 }
sureshsusurla 0:2e3d21e95c97 355
sureshsusurla 0:2e3d21e95c97 356
sureshsusurla 0:2e3d21e95c97 357
sureshsusurla 0:2e3d21e95c97 358 //void create_file()
sureshsusurla 0:2e3d21e95c97 359 //{
sureshsusurla 0:2e3d21e95c97 360
sureshsusurla 0:2e3d21e95c97 361 /*
sureshsusurla 0:2e3d21e95c97 362 fprintf(fp, "Hello fun SD Card World!\n");
sureshsusurla 0:2e3d21e95c97 363 fclose(fp);
sureshsusurla 0:2e3d21e95c97 364
sureshsusurla 0:2e3d21e95c97 365 fp = fopen("/sd/mydir/sdtest.txt", "r");
sureshsusurla 0:2e3d21e95c97 366 if(fp == NULL) {
sureshsusurla 0:2e3d21e95c97 367 error("Could not open file for write\n");
sureshsusurla 0:2e3d21e95c97 368 }
sureshsusurla 0:2e3d21e95c97 369 //fprintf(fp, "Hello fun SD Card World!");
sureshsusurla 0:2e3d21e95c97 370 // fprintf("The contents of %s file are :\n", "/sd/mydir/sdtest.txt");
sureshsusurla 0:2e3d21e95c97 371 while( ( ch = fgetc(fp) ) != '\n' )
sureshsusurla 0:2e3d21e95c97 372 {
sureshsusurla 0:2e3d21e95c97 373 pc.printf("%c",ch);
sureshsusurla 0:2e3d21e95c97 374 }
sureshsusurla 0:2e3d21e95c97 375 //fprintf(fp);
sureshsusurla 0:2e3d21e95c97 376 fclose(fp);
sureshsusurla 0:2e3d21e95c97 377
sureshsusurla 0:2e3d21e95c97 378 printf("Jai Mata Di..Goodbye World!\n");*/
sureshsusurla 0:2e3d21e95c97 379 //}
sureshsusurla 0:2e3d21e95c97 380
raizel_varun 1:59da9694681e 381 Ticker tx;
sureshsusurla 0:2e3d21e95c97 382
sureshsusurla 0:2e3d21e95c97 383 int main()
raizel_varun 1:59da9694681e 384 { interrupt=0;
raizel_varun 1:59da9694681e 385 ptr_t_i2c = new Thread(T_I2C_MASTER_FSLAVE);
raizel_varun 1:59da9694681e 386 master.frequency(100000);
sureshsusurla 0:2e3d21e95c97 387 printf("IITMSAT - CDMS\n");
sureshsusurla 0:2e3d21e95c97 388
sureshsusurla 0:2e3d21e95c97 389 FUNC_CDMS_init_values();
raizel_varun 1:59da9694681e 390 tx.attach(&store_data, 20.0);
raizel_varun 1:59da9694681e 391 while(1)
raizel_varun 1:59da9694681e 392 {
raizel_varun 1:59da9694681e 393 FUNC_MASTER_WRITE();
raizel_varun 1:59da9694681e 394 }
sureshsusurla 0:2e3d21e95c97 395
sureshsusurla 0:2e3d21e95c97 396 }