Diff: main.cpp

Revision:

6:3fbe44c7c26a

Parent:

5:112df51d4815

Child:

7:c81c6968f013

--- a/main.cpp	Thu Dec 11 03:41:36 2014 +0000
+++ b/main.cpp	Thu Dec 11 04:07:33 2014 +0000
@@ -1,14 +1,16 @@
 #include "mbed.h"
 #include "convert.h"
 
+Serial pc(USBTX, USBRX);
 
+AnalogIn my_light_sensor(PTE22);
+AnalogIn my_analog_pin(PTB0);
 // false == on; true == off for the leds
 DigitalOut myled(LED_GREEN);
 DigitalOut redled(LED_RED);
-Serial pc(USBTX, USBRX);
 
-AnalogIn my_light_sensor(PTE22);
 Ticker ticker;
+char my_time[31];
 int tick_count = 0;
 
 void systick() {
@@ -22,40 +24,67 @@
 }
 
 int main()
-{
+{   
+    //initialize hardware
     ticker.attach_us(&systick, 100000);
     pc.baud(115200);
+    Convert lcd;
+    
+    //initialize variables
     int i = 0;
     bool pulse_value = false;
+    float let_there_be_light = 0.0;
+    float my_analog_value = 0.0;
+    my_time[30] = '\0';
+    
+    //we start the program
     pc.printf("Hello World!\n");
-    Convert lcd;
-
-    while (true) {
-        
-        float let_there_be_light;
-        
-        // set the pulse high for 100ms
-        pulse_value = true;
-        myled = pulse_value; // toggle a led
-        let_there_be_light = my_light_sensor.read();
-        pc.printf("%f \r\n", let_there_be_light);
-        lcd.display(1);
-        wait_ms(100.0f);
-        
-        // set it low again for the remainder of the second
-        pulse_value = false;
-        myled = pulse_value; // toggle a led
-        let_there_be_light = my_light_sensor.read();
-        pc.printf("%f \r\n", let_there_be_light);
-        lcd.display(0);
-        wait_ms(900.0f);
-        
+    
+    while (true) 
+    {
+        // Beginning of a second
+            // set the pulse high for 100ms, .1 s        
+                // toggle a led
+                pulse_value = true;
+                myled = pulse_value;
+                
+                // get data from the (2) light sensor (3) analog pin
+                let_there_be_light = my_light_sensor.read();
+                my_analog_value = my_analog_pin.read();
+                    
+                // print the analog values to uart
+                pc.printf("%f,%f\r\n", let_there_be_light, my_analog_value);
+                
+                // display 1
+                lcd.display(1);
+                wait_ms(100.0f);
+            
+            // set the pulse low for 900 ms, .9 s
+                // toggle a led
+                pulse_value = false;
+                myled = pulse_value; // toggle a led
+                
+                // get data from the (2) light sensor (3) analog pin
+                let_there_be_light = my_light_sensor.read();
+                my_analog_value = my_analog_pin.read();
+                
+                // print the analog values to uart
+                pc.printf("%f,%f\r\n", let_there_be_light, my_analog_value);
+                
+                // display 0
+                lcd.display(0);
+                wait_ms(900.0f);
+            
+        // End of a second
         
         /*
-        pc.printf("%d \n", i); // print the value of variable i
-        i++; // increment the variable
-        myled = pulsevalue; // toggle a led
         
+        //on hold for a moment
+        my_time[i] = pc.getc();
+        if (i == 29)
+        {
+            i = 0;    
+        }
         */
     }
 }