rtsc.cpp

00001 #include "rtsc.h"
00002 SPI spi(PTD6, PTD7, PTD5);
00003 DigitalOut cs(PTD2);
00004 
00005 SDFileSystem sd(PTD6, PTD7, PTD5, D10,"sd");
00006 
00007  void spiwrite(int a)
00008     {
00009         cs=1;
00010         cs=0;
00011         spi.write(a);
00012         spi.write(0x01);
00013     }
00014     
00015     int spiread(int a)
00016     {
00017         cs=1;
00018         cs=0;
00019         spi.write(a);
00020         return(spi.write(0x00));
00021     }
00022     char* getname(int year1,int month1,int date1,int day1,int hours1,int minutes1,int seconds1)
00023 {
00024     year1= hexint(year1);
00025     month1=hexint(month1);
00026     date1=hexint(date1);
00027     day1=hexint(day1);
00028     hours1=hexint(hours1);
00029     minutes1=hexint(minutes1);
00030     seconds1=hexint(seconds1);
00031     char time[15];
00032     sprintf(time,"%02d%02d%02d%02d%02d%02d%02d",year1,month1,date1,day1,hours1,minutes1,seconds1);
00033     
00034     return(time);
00035     
00036 }
00037 
00038 int hexint(int a)
00039 {
00040     a=(a/16)*10+(a%16);
00041     return a;
00042 }
00043 //storedata stores the dummy structure in the file with timestamp as the filename in HK directory
00044 void storedata(void)
00045 {
00046     spi.format(8,3);
00047     spi.frequency(1000000);
00048     spiwrite(0x80);           //write seconds to 01
00049     spiwrite(0x81);           //write minutes t0 01
00050     spiwrite(0x82);           //write hours  to 01
00051     spiwrite(0x83);           //write day of week to 01
00052     spiwrite(0x84);           //write day of month to 01
00053     spiwrite(0x85);           //write month to 01
00054     spiwrite(0x86);           //write year to 01
00055     for(int i=0;i<1000000;i++){
00056     int seconds=spiread(0x00);     //read seconds
00057     int minutes =spiread(0x01);    //read minutes
00058     int hours =spiread(0x02);      //read hours
00059     int day =spi.write(0x03);      //read day of the week
00060     int date =spiread(0x04);       //read day of the month
00061     int month =spiread(0x05);      //read month
00062     int year =spiread(0x06);       //read year
00063     cs = 1;
00064     
00065     //Assigning dummy values to the structure
00066     
00067     SensorData Sensor;
00068     
00069     printf("Writing dummy values\n");
00070     strcpy( Sensor.Voltage, "49");
00071     strcpy( Sensor.Current, "83");
00072     Sensor.Temperature ='5';
00073     strcpy( Sensor.PanelTemperature, "4");
00074     Sensor.Vcell_soc='9';
00075     Sensor.alerts= '4';
00076     Sensor.crate='7';
00077     Sensor.BatteryTemperature='6';      
00078     Sensor.faultpoll='4';            
00079     Sensor.faultir='g';              
00080     Sensor.power_mode='k';           
00081     strcpy( Sensor.AngularSpeed, "9");
00082     strcpy(Sensor.Bnewvalue,"6");
00083     printf("Done writing dummy values\n");
00084     mkdir("/sd/hk", 0777);
00085     char date2[100]="/sd/hk/";
00086     strcat(date2,getname(year,month,date,day,hours,minutes,seconds));
00087     strcat(date2,".txt");
00088     FILE *fp ;
00089     fp= fopen(date2, "w");
00090     if(fp == NULL) {
00091         error("Could not open file for write\n");
00092     }
00093     else
00094     {
00095     fprintf(fp, "%s -", Sensor.Voltage);
00096     fprintf(fp,"%s -",Sensor.Current);
00097     fprintf(fp,"%c -",Sensor.Temperature);
00098     fprintf(fp,"%s -",Sensor.PanelTemperature);
00099     fprintf(fp,"%c -",Sensor.Vcell_soc);            //printing the contents of the strucure in a single line in the file
00100     fprintf(fp,"%c -",Sensor.alerts);
00101     fprintf(fp,"%c -",Sensor.crate);
00102     fprintf(fp,"%c -",Sensor.BatteryTemperature);
00103     fprintf(fp,"%c -",Sensor.faultpoll);
00104     fprintf(fp,"%c -",Sensor.faultir);
00105     fprintf(fp,"%c -",Sensor.power_mode);
00106     fprintf(fp,"%s -",Sensor.AngularSpeed);
00107     fprintf(fp,"%s",Sensor.Bnewvalue);
00108     fclose(fp);
00109     printf("%s",getname(year,month,date,day,hours,minutes,seconds));
00110     wait(10);
00111     
00112     
00113     }
00114     }}