main.cpp

00001 #include "mbed.h"
00002 #include "HEPTA_CDH.h"
00003 #include "HEPTA_EPS.h"
00004 #include "HEPTA_SENSOR.h"
00005 #include "HEPTA_COM.h"
00006 HEPTA_CDH cdh(p5, p6, p7, p8, "sd");
00007 HEPTA_EPS eps(p16,p26);
00008 HEPTA_SENSOR sensor(p17,
00009                   p28,p27,0x19,0x69,0x13,
00010                   p13, p14,p25,p24);
00011 HEPTA_COM com(p9,p10);
00012 DigitalOut condition(LED1);
00013 RawSerial sat(USBTX,USBRX,9600);
00014 Timer sattime;
00015 int rcmd = 0,cmdflag = 0; //command variable
00016 
00017 int main() {
00018     sat.printf("From Sat : Nominal Operation\r\n");
00019     com.printf("From Sat : Nominal Operation\r\n");
00020     int flag = 0; //condition flag
00021     float batvol, temp; //voltage, temperature 
00022     int rcmd=0,cmdflag=0;  //command variable
00023     sattime.start();
00024     eps.turn_on_regulator();//turn on 3.3V conveter
00025     for(int i = 0; i < 100; i++) {
00026         com.xbee_receive(&rcmd,&cmdflag);//interupting by ground station command
00027         
00028         //satellite condition led
00029         condition = !condition;
00030         
00031         //senssing HK data(dummy data)
00032         eps.vol(&batvol);
00033         sensor.temp_sense(&temp);
00034         
00035         //Transmitting HK data to Ground Station(GS)
00036         com.printf("HEPTASAT::Condition = %d, Time = %f [s], batVol = %.2f [V],Temp = %.2f [C]\r\n",flag,sattime.read(),batvol,temp);
00037         wait_ms(1000);
00038                 
00039         //Power Saving Mode 
00040         if((batvol <= 3.5)  | (temp > 35.0)){
00041             eps.shut_down_regulator();
00042             com.printf("Power saving mode ON\r\n"); 
00043             flag = 1;
00044         } else if((flag == 1) & (batvol > 3.7) & (temp <= 25.0)) {
00045             eps.turn_on_regulator();
00046             com.printf("Power saving mode OFF\r\n");
00047             flag = 0;
00048         }
00049         //Contents of command
00050         if (cmdflag == 1) {
00051             if (rcmd == 'a') {
00052                 sat.printf("rcmd=%c,cmdflag=%d\r\n",rcmd,cmdflag);
00053                 com.printf("Hepta-Sat Lite Uplink Ok\r\n");
00054                 for(int j=0;j<5;j++){
00055                     com.printf("Hello World!\r\n");
00056                     condition = 1;
00057                     wait_ms(1000);
00058                 }
00059             }else if (rcmd == 'b') {
00060                 sat.printf("rcmd=%c,cmdflag=%d\r\n",rcmd,cmdflag);
00061                 com.printf("Hepta-Sat Lite Uplink Ok\r\n");
00062                 char str[100];
00063                 mkdir("/sd/mydir", 0777);
00064                 FILE *fp = fopen("/sd/mydir/satdata.txt","w");
00065                 if(fp == NULL) {
00066                     error("Could not open file for write\r\n");
00067                 }
00068                 for(int i = 0; i < 10; i++) {
00069                     eps.vol(&batvol);
00070                     fprintf(fp,"%f\r\n",batvol);
00071                     condition = 1;
00072                     wait_ms(1000);
00073                 }
00074                 fclose(fp);
00075                 fp = fopen("/sd/mydir/satdata.txt","r");
00076                 for(int i = 0; i < 10; i++) {
00077                     fgets(str,100,fp);
00078                     com.puts(str);
00079                 }
00080                 fclose(fp);                
00081             }else if (rcmd == 'c') {        
00082                 //Please insert your answer
00083 
00084             }else if (rcmd == 'd') {
00085                 //Please insert your answer
00086 
00087             }else if (rcmd == 'e') {
00088                 //Please insert your answer
00089 
00090             }
00091             com.initialize();
00092         }
00093     }
00094     sattime.stop();
00095     sat.printf("From Sat : End of operation\r\n");
00096     com.printf("From Sat : End of operation\r\n");
00097 }