Basic ADC program

Dependencies:   mbed

Fork of Nucleo_read_analog_value by FRA221_2015

Revision:
1:f8fedb15be2e
Parent:
0:b30041f75f46
Child:
2:3ff3ecfd9c70
--- a/main.cpp	Sun Aug 23 13:04:42 2015 +0000
+++ b/main.cpp	Tue Oct 13 07:56:51 2015 +0000
@@ -2,20 +2,114 @@
  
 AnalogIn analog_value(A0);
  
-DigitalOut led(LED1);
+DigitalOut led1(D13);
+DigitalOut led2(D12);
+DigitalOut led3(D11);
+DigitalOut led4(D10);
+DigitalOut led5(D9);
+DigitalOut led6(D8);
+DigitalOut led7(D7);
+DigitalOut led8(D6);
 
 int main() {
-    float meas;
+    double meas;
     
     while(1) {
         meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
-        meas = meas * 3300; // Change the value to be in the 0 to 3300 range
-        if (meas > 2000) { // If the value is greater than 2V then switch the LED on
-          led = 1;
+        meas = meas*3.3;
+        if (meas >= 0 && meas < 0.17)
+        {   led1 = 0;
+            led2 = 0;
+            led3 = 0;
+            led4 = 0;
+            led5 = 0;
+            led6 = 0;
+            led7 = 0;
+            led8 = 0;
+        }
+        
+         else if (meas > 0.17 && meas <= 0.23571429) 
+        { // If the value is greater than 2V then switch the LED on
+          led1 = 1;
+          led2 = 0;
+          led3 = 0;
+          led4 = 0;
+          led5 = 0;
+          led6 = 0;
+          led7 = 0;
+          led8 = 0;
+        }
+        else if (meas > 0.23571429 && meas <= 0.70714286)
+        {   led1 = 1;
+            led2 = 1;
+            led3 = 0;
+            led4 = 0;
+            led5 = 0;
+            led6 = 0;
+            led7 = 0;
+            led8 = 0;
+        }
+        else if (meas > 0.70714286 && meas <= 1.17857143)
+        {   led1 = 1;
+            led2 = 1;
+            led3 = 1;
+            led4 = 0;
+            led5 = 0;
+            led6 = 0;
+            led7 = 0;
+            led8 = 0;
         }
-        else {
-          led = 0;
+        else if (meas > 1.17857143 && meas <= 1.65)
+        {   led1 = 1;
+            led2 = 1;
+            led3 = 1;
+            led4 = 1;
+            led5 = 0;
+            led6 = 0;
+            led7 = 0;
+            led8 = 0;
+        }
+        else if (meas > 1.65 && meas <= 2.12142857)
+        {   led1 = 1;
+            led2 = 1;
+            led3 = 1;
+            led4 = 1;
+            led5 = 1;
+            led6 = 0;
+            led7 = 0;
+            led8 = 0;
         }
-        wait(0.2); // 200 ms
+        else if (meas > 2.12142857 && meas <= 2.59285714)
+        {   led1 = 1;
+            led2 = 1;
+            led3 = 1;
+            led4 = 1;
+            led5 = 1;
+            led6 = 1;
+            led7 = 0;
+            led8 = 0;
+        } 
+        else if (meas > 2.59285714 && meas <= 3.06428571)
+        {   led1 = 1;
+            led2 = 1;
+            led3 = 1;
+            led4 = 1;
+            led5 = 1;
+            led6 = 1;
+            led7 = 1;
+            led8 = 0;
+            
+         }
+         else if (meas > 3.06428571 && meas <= 3.53571428)
+         {  led1 = 1;
+            led2 = 1;
+            led3 = 1;
+            led4 = 1;
+            led5 = 1;
+            led6 = 1;
+            led7 = 1;
+            led8 = 1;
+         }
+        
     }
 }