Lab4-03_create_satcode_step5_lite_Q

Dependencies:   mbed HEPTA_CDH_lite HEPTA_SENSOR_lite HEPTA_EPS_lite

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main.cpp

00001 #include "mbed.h"
00002 #include "HEPTA_EPS.h"
00003 #include "HEPTA_CDH.h"
00004 #include "HEPTA_SENSOR.h"
00005 HEPTA_CDH cdh(PB_5, PB_4, PB_3, PA_8, "sd");
00006 HEPTA_EPS eps(PA_0,PA_4);
00007 HEPTA_SENSOR sensor(PA_7,PB_7,PB_6,0xD0);
00008 DigitalOut condition(PB_1);
00009 Serial gs(USBTX,USBRX,9600);
00010 Timer sattime;
00011 int rcmd = 0, cmdflag = 0; //command variable
00012 
00013 //getting command and command flag
00014 void commandget()
00015 {
00016     rcmd = gs.getc();
00017     cmdflag = 1;
00018 }
00019 //interrupting process by command receive
00020 void receive(int rcmd, int cmdflag)
00021 {
00022     gs.attach(commandget,Serial::RxIrq);
00023 }
00024 //initializing
00025 void initialize()
00026 {
00027     rcmd = 0;
00028     cmdflag = 0;
00029     condition = 0;
00030 }
00031 
00032 int main()
00033 {
00034     gs.printf("From Sat : Nominal Operation\r\n");
00035     int flag = 0; //condition flag
00036     float batvol, temp; //voltage, temperature 
00037     sattime.start();
00038     receive(rcmd,cmdflag); //interrupting
00039     eps.turn_on_regulator();//turn on 3.3V conveter
00040     sensor.setup();
00041     for(int i=0;i<50;i++){
00042         //satellite condition led
00043         condition = !condition;
00044         
00045         //senssing HK data(dummy data)
00046         eps.vol(&batvol);
00047         sensor.temp_sense(&temp);
00048         
00049         //Transmitting HK data to Ground Station(GS)
00050         gs.printf("HEPTASAT::Condition = %d, Time = %f [s], batvol = %2f [V], temp = %2f [deg C]\r\n",flag,sattime.read(),batvol,temp);
00051         wait_ms(1000);
00052         
00053         //Power Saving Mode 
00054         if((batvol <= 3.5)  | (temp > 35.0)){
00055             eps.shut_down_regulator();
00056             gs.printf("Power saving mode ON\r\n"); 
00057             flag = 1;
00058         } else if((flag == 1) & (batvol > 3.7) & (temp <= 25.0)) {
00059             eps.turn_on_regulator();
00060             gs.printf("Power saving mode OFF\r\n");
00061             flag = 0;
00062         }
00063         
00064         if(cmdflag == 1){
00065             if(rcmd == 'a'){
00066                 for(int j=0;j<5;j++){
00067                     gs.printf("Hello World!\r\n");
00068                     condition = 1;
00069                     wait_ms(1000);
00070                 }
00071             }else if(rcmd == 'b') {
00072                 char str[100];
00073                 mkdir("/sd/mydir", 0777);
00074                 FILE *fp = fopen("/sd/mydir/satdata.txt","w");
00075                 if(fp == NULL) {
00076                     error("Could not open file for write\r\n");
00077                 }
00078                 for(int i = 0; i < 10; i++) {
00079                     eps.vol(&batvol);
00080                     fprintf(fp,"%f\r\n",batvol);
00081                     condition = 1;
00082                     wait_ms(1000);
00083                 }
00084                 fclose(fp);
00085                 fp = fopen("/sd/mydir/satdata.txt","r");
00086                 for(int i = 0; i < 10; i++) {
00087                     fgets(str,100,fp);
00088                     gs.puts(str);
00089                 }
00090                 fclose(fp);
00091             }else if(rcmd == 'c'){
00092 
00093 
00094 
00095 
00096             }else if(rcmd == 'd'){
00097 
00098 
00099 
00100            
00101             }
00102             initialize(); //initializing
00103         }
00104     }
00105     sattime.stop();
00106     gs.printf("From Sat : End of operation\r\n");
00107 }