main.cpp

00001 #include "mbed.h"
00002 #include "HEPTA_CDH.h"
00003 #include "HEPTA_EPS.h"
00004 HEPTA_CDH cdh(p5, p6, p7, p8, "sd");
00005 HEPTA_EPS eps(p16,p26);
00006 DigitalOut condition(LED1);
00007 Serial gs(USBTX,USBRX,9600);
00008 Timer sattime;
00009 int rcmd = 0, cmdflag = 0; //command variable
00010  
00011 //getting command and flag
00012 void commandget()
00013 {
00014     rcmd = gs.getc();
00015     cmdflag = 1;
00016 }
00017 //interrupting 
00018 void receive(int rcmd, int cmdflag)
00019 {
00020     gs.attach(commandget,Serial::RxIrq);
00021 }
00022 //initialzing
00023 void initialize()
00024 {
00025     rcmd = 0;
00026     cmdflag = 0;
00027     condition = 0;
00028 }
00029 
00030 int main() 
00031 {
00032     gs.printf("From Sat : Operation Start...\r\n");
00033     int flag = 0;      // condition
00034     float batvol,temp; //Voltage, Temerature
00035     sattime.start();
00036     receive(rcmd,cmdflag); //interupting by ground station command
00037     eps.turn_on_regulator();//turn on 3.3V conveter
00038     for(int i = 0; i < 100; i++) {
00039         //satellite condition led
00040         condition = !condition;
00041         
00042         //senssing HK data(dummy data)
00043         eps.vol(&batvol);
00044         temp   = 28.5;
00045         
00046         //Transmitting HK data to Ground Station(GS)
00047         gs.printf("HEPTASAT::Condition = %d, Time = %f [s], batVol = %.2f [V],Temp = %.2f [C]\r\n",flag,sattime.read(),batvol,temp);
00048         wait_ms(1000);
00049         
00050         //Power Saving Mode 
00051         if(batvol <= 3.5){
00052             eps.shut_down_regulator();
00053             gs.printf("Power saving mode ON\r\n"); 
00054             flag = 1;
00055         } else if((flag == 1) & (batvol > 3.7)) {
00056             eps.turn_on_regulator();
00057             gs.printf("Power saving mode OFF\r\n");
00058             flag = 0;
00059         }
00060         
00061         if (cmdflag == 1) {
00062             if (rcmd == 'a') {
00063                for(int j=0;j<5;j++){
00064                 gs.printf("HEPTASAT::Hello World!\r\n");
00065                 condition = 1;
00066                 wait_ms(1000);
00067                }
00068             }else if(rcmd == 'b') {
00069  
00070  
00071  
00072 
00073             }
00074             initialize();
00075         }
00076     }
00077     sattime.stop();
00078     gs.printf("From Sat : Operation Stop...\r\n");
00079 }