for textbook v4.4

Dependencies:   mbed

Revision:
0:a0e5d6f42ee8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jul 02 08:50:45 2020 +0000
@@ -0,0 +1,27 @@
+#include "mbed.h"
+
+DigitalOut cond[]={LED1,LED2,LED3,LED4};
+Serial gs(USBTX,USBRX); // for ground station
+
+int main() {
+    gs.baud(9600);
+    gs.printf("From Sat : Operation Start...\r\n");
+    int flag = 0;     // condition
+    float sattime=0.0,btvol,temp; //Voltage, Temerature
+    for(int i=0; i<100; i++){
+        //Sensing HK data(dummy)
+        btvol = 3.7;
+        temp = 28.5;
+        
+        //Transmitting HK data
+        gs.printf("HEPTASAT::Condition = %d, Time = %f [s], batVol = %.2f [V],Temp = %.2f [C]\r\n",flag,sattime,btvol,temp);
+        
+        //Condition
+        cond[0] = 1;
+        
+        //Operation Interval
+        wait(1.0);
+        sattime = sattime+1.0;
+    }
+    gs.printf("From Sat : Operation Stop...\r\n");
+}
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