Diff: main.cpp

Revision:

0:288158795e8d

Child:

1:bec750608f0b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Mar 21 19:33:08 2018 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+
+AnalogIn analog_value(A0);
+Serial pc(USBTX, USBRX);
+
+DigitalOut led(LED1);
+
+int main()
+{
+    float meas_r;
+    float meas_v;
+    
+    pc.printf("\n\rAnalogIn example\n\r");
+
+    while(1) {
+
+        meas_r = analog_value.read(); // Read the analog input value (value from 0.0 to 1.0 = full ADC conversion range)
+        meas_v = meas_r * 3300; // Converts value in the 0V-3.3V range
+        
+        // Display values
+        pc.printf("measure = %f = %.0f mV\n\r", meas_r, meas_v);
+
+        // LED is ON is the value is below 1V
+        if (meas_v < 1000) {
+            led = 1; // LED ON
+        } else {
+            led = 0; // LED OFF
+        }
+
+        wait(1.0); // 1 second
+    }
+}