This is sample of "Lab3-07_create_satellite_program_step4_Q". If you haven't done it, you should do it before run this program. for textbook v4.4

Dependencies:   HEPTA_SENSOR mbed HEPTA_EPS HEPTA_COM HEPTA_CDH

Revision:
26:220e5f95168a
Parent:
25:ccc5ff675e0c
Child:
27:f6b36f4b035a
--- a/main.cpp	Wed Aug 21 18:32:04 2019 +0000
+++ b/main.cpp	Wed Aug 21 18:35:31 2019 +0000
@@ -3,30 +3,69 @@
 #include "HEPTA_EPS.h"
  
 Serial pc(USBTX,USBRX);
+HEPTA_CDH cdh(p5, p6, p7, p8, "sd");
+HEPTA_EPS eps(p16,p26);
  
+DigitalOut myleds[] = {LED1,LED2,LED3,LED4};;
  
+int rcmd = 0,cmdflag = 0;
+ 
+void commandget()
+{
+    rcmd=pc.getc();
+    cmdflag = 1;
+}
+void receive(int *xrcmd, int *xcmdflag)
+{
+    pc.attach(commandget,Serial::RxIrq);
+    *xrcmd = rcmd;
+    *xcmdflag = cmdflag;
+}
+ 
+void initialize()
+{
+    rcmd = 0;
+    cmdflag = 0;
+}
  
 int main()
 {
     pc.baud(9600);
     float bt;
+    int flag = 0;
     char str[100];
-    mkdir("/sd/mydir", 0777);
-    FILE *fp = fopen("/sd/mydir/test.txt","w");
-    if(fp == NULL) {
-        error("Could not open file for write\r\n");
+    receive(&rcmd,&cmdflag);
+    while(1) {
+        eps.vol(&bt);
+        if(bt <= 3.5) {
+            eps.shut_down_regulator();
+            flag = 1;
+        } else {
+            eps.turn_on_regulator();
+            flag = 0;
+        }
+        pc.printf("Vol = %.2f [V]\r\n",bt);
+        if(flag == 1) {
+            pc.printf("Power saving mode ON\r\n");
+        }
+        wait(0.5);
+        if (cmdflag == 1) {
+            pc.printf("Command Get = %d\r\n",rcmd);
+            if (rcmd == 'a') {
+                for(int i = 0; i < 10; i++) {
+                    pc.printf("Count = %d\r\n",i);
+                    wait(1.0);
+                }
+            }
+            if (rcmd == 'b') {
+                
+                
+                
+                
+                
+                
+            }
+            initialize();
+        }
     }
-    for(int i = 0; i < 10; i++) {
-       
-       
-       
-    }
-    fclose(fp);
-    fp = fopen("/sd/mydir/test.txt","r");
-    for(int j = 0; j < 10; j++) {
-        
-        
-    }
-    fclose(fp);
-    pc.printf("Goodbye!!\r\n");
 }
\ No newline at end of file