Dependencies:   mbed

Fork of Nucleo-ADC_with_UART_output by Cortex Challenge Team

Revision:
0:dade2710823b
Child:
1:59ea769dee88
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 05 22:54:26 2015 +0000
@@ -0,0 +1,33 @@
+#include "mbed.h"
+ 
+//Nucleo F103,F303,F411 compatible
+
+AnalogIn analog_value(A0);
+
+Serial pc(SERIAL_TX, SERIAL_RX);
+ 
+DigitalOut myled(LED1);
+ 
+// Calculate the corresponding acquisition measure for a given value in mV
+#define rawmeas(x) ((0xFFFF*x)/3300)
+// Calculate the corresponding mV value from measured voltage
+#define mv(x)       ((x*3300)/0xFFFF)
+ 
+int main() {
+    
+    pc.baud(115200);
+    
+    while(1) {      
+        uint16_t meas = analog_value.read_u16(); // Converts and read the analog input value
+        if (meas > rawmeas(1000)) { // If the value is greater than 1000 mV toggle the LED
+          myled = !myled;
+        }
+        
+        //Prints the measured value in millivolts
+        pc.printf("Measured value: %d\n", meas);
+        pc.printf("%d mV\n", mv(meas));
+        
+        wait(1); // 200 ms
+        
+    }
+}