Diff: main.cpp

Revision:

2:b30e3a46ae2b

Parent:

1:ddac5ec89167

Child:

3:41ff72f39e10

--- a/main.cpp	Wed Aug 11 03:50:32 2021 +0000
+++ b/main.cpp	Fri Aug 20 12:28:06 2021 +0000
@@ -1,19 +1,94 @@
 #include "mbed.h"
+#include "HEPTA_EPS.h"
 #include "HEPTA_CDH.h"
 HEPTA_CDH cdh(PB_5, PB_4, PB_3, PA_8, "sd");
-Serial pc(USBTX,USBRX,9600);
+HEPTA_EPS eps(PA_0,PA_4);
+DigitalOut condition(PB_1);
+Serial gs(USBTX,USBRX,9600);
+Timer sattime;
+int rcmd = 0, cmdflag = 0; //command variable
+
+//getting command and command flag
+void commandget()
+{
+    rcmd = gs.getc();
+    cmdflag = 1;
+}
+//interrupting process by command receive
+void receive(int rcmd, int cmdflag)
+{
+    gs.attach(commandget,Serial::RxIrq);
+}
+//initializing
+void initialize()
+{
+    rcmd = 0;
+    cmdflag = 0;
+    condition = 0;
+}
+
 int main()
 {
-    pc.printf("Hello World!\n");
- 
-    mkdir("/sd/mydir", 0777);
- 
-    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
-    if(fp == NULL) {
-        error("Could not open file for write\r\n");
+    gs.printf("From Sat : Nominal Operation\r\n");
+    int flag = 0; //condition flag
+    float batvol, temp; //voltage, temperature 
+    sattime.start();
+    receive(rcmd,cmdflag); //interrupting
+    eps.turn_on_regulator();//turn on 3.3V conveter
+    for(int i=0;i<50;i++){
+        //satellite condition led
+        condition = !condition;
+        
+        //senssing HK data(dummy data)
+        eps.vol(&batvol);
+        temp   = 28.5;
+        
+        //Transmitting HK data to Ground Station(GS)
+        gs.printf("HEPTASAT::Condition = %d, Time = %f [s], batvol = %2f [V], temp = %2f [deg C]\r\n",flag,sattime.read(),batvol,temp);
+        wait_ms(1000);
+        
+        //Power Saving Mode 
+        if(batvol <= 3.5){
+            eps.shut_down_regulator();
+            gs.printf("Power saving mode ON\r\n"); 
+            flag = 1;
+        } else if((flag == 1) & (batvol > 3.7)) {
+            eps.turn_on_regulator();
+            gs.printf("Power saving mode OFF\r\n");
+            flag = 0;
+        }
+        
+        if(cmdflag == 1){
+            if(rcmd == 'a'){
+                for(int j=0;j<5;j++){
+                    gs.printf("Hello World!\r\n");
+                    condition = 1;
+                    wait_ms(1000);
+                }
+            }else if(rcmd == 'b') {
+                char str[100];
+                mkdir("/sd/mydir", 0777);
+                FILE *fp = fopen("/sd/mydir/satdata.txt","w");
+                if(fp == NULL) {
+                    error("Could not open file for write\r\n");
+                }
+                for(int i = 0; i < 10; i++) {
+                    eps.vol(&batvol);
+                    fprintf(fp,"%f\r\n",batvol);
+                    condition = 1;
+                    wait_ms(1000);
+                }
+                fclose(fp);
+                fp = fopen("/sd/mydir/satdata.txt","r");
+                for(int i = 0; i < 10; i++) {
+                    fgets(str,100,fp);
+                    gs.puts(str);
+                }
+                fclose(fp);
+            }
+            initialize(); //initializing
+        }
     }
-    fprintf(fp, "Hello my name is HEPTA\r\n");
-    fclose(fp);
- 
-    pc.printf("Goodbye World!\r\n");
+    sattime.stop();
+    gs.printf("From Sat : End of operation\r\n");
 }
\ No newline at end of file