massimo morelli
/
Nucleo_read_analog_value
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Revision 0:96e75710accc, committed 2014-10-15
- Comitter:
- maxmorelli
- Date:
- Wed Oct 15 16:13:18 2014 +0000
- Commit message:
- Test ADC
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Oct 15 16:13:18 2014 +0000
@@ -0,0 +1,18 @@
+#include "mbed.h"
+
+AnalogIn analog_value(A0);
+
+DigitalOut myled(LED1);
+
+// Calculate the corresponding acquisition measure for a given value in mV
+#define MV(x) ((0xFFF*x)/3300)
+
+int main() {
+ while(1) {
+ uint16_t meas = analog_value.read_u16(); // Converts and read the analog input value
+ if (meas > MV(1000)) { // If the value is greater than 1000 mV toggle the LED
+ myled = !myled;
+ }
+ wait(0.2); // 200 ms
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Oct 15 16:13:18 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1 \ No newline at end of file