Diff: main.cpp

Revision:

0:f303c63965dd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Sep 29 01:28:19 2015 +0000
@@ -0,0 +1,51 @@
+//MIDN 2/C Chau
+//Take a temp reading from sensor and send it to MatLab for analysis
+//ES305 Lab2
+#include "mbed.h"
+#include "mbedWSEsbc.h"
+
+float dt; // total change in time
+float totaltime = 5; // total sampling time
+float Ts = 0.01; // sampling period
+int repeat = 17; //Boolean for yes or no
+float Time = 0; // time object
+float measurement = 0; //The measured voltage of the thermocouple
+
+int main()
+{
+    mbedWSEsbcInit(19200); //set baud rate
+    Time = 0; // reset time var
+    t.reset(); // reset time object
+    pc.printf("Enter 1 to begin the loop:\n\r");
+    pc.scanf("%d", &repeat);
+    pc.printf("Enter total sampling time(sec):\n\r");
+    pc.scanf("%f", &totaltime);
+    pc.printf("Enter sampling period(sec):\n\r");
+    pc.scanf("%f", &Ts);
+    while (repeat ==1)
+    {
+        Time = 0; // reset time var
+        t.reset(); // reset time object
+        
+        while (Time <= totaltime)
+        {
+            t.start(); // start timing object
+        
+            measurement = read_max1270_volts(6,0,0); //read from the device
+            pc.printf("%f,%f\n", Time, measurement); // print measurement
+        
+            Time = Time + Ts; // increment time
+        
+            dt = Ts - t.read(); // calculate elapsed time
+            wait(dt); // wait
+        
+            t.reset(); //restart timing object     
+        }
+        pc.printf("Enter 1 to begin the loop:\n\r");
+        pc.scanf("%d", &repeat);
+        pc.printf("Enter total sampling time(sec):\n\r");
+        pc.scanf("%f", &totaltime);
+        pc.printf("Enter sampling period(sec):\n\r");
+        pc.scanf("%f", &Ts);
+    } 
+}
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