N K
a fork of priustroller
Fork of
priustroller_current
by 
N K
Diff: currentsensors.cpp
- Revision:
- 0:54cf32d35f4d
- Child:
- 1:1f58bdcf2956
diff -r 000000000000 -r 54cf32d35f4d currentsensors.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/currentsensors.cpp Sun Mar 01 06:16:01 2015 +0000
@@ -0,0 +1,16 @@
+#include "includes.h"
+#include "classes.h"
+
+AnalogCurrentSensor::AnalogCurrentSensor(PinName pin, float volts_per_amp) {
+ _in = new AnalogIn(pin);
+ _volts_per_amp = volts_per_amp;
+ Zero();
+}
+
+void AnalogCurrentSensor::Zero() {
+ _zero_level = (float) *_in;
+}
+
+float AnalogCurrentSensor::GetCurrent() {
+ return ((float) *_in - _zero_level) * 3.3f / _volts_per_amp;
+}
\ No newline at end of file