Diff: RC/RC_Channel.h

Revision:

0:d51bf879e9df

diff -r 000000000000 -r d51bf879e9df RC/RC_Channel.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RC/RC_Channel.h	Mon Apr 29 19:41:06 2013 +0000
@@ -0,0 +1,31 @@
+#ifndef RC_CHANNEL_H
+#define RC_CHANNEL_H
+
+#include "mbed.h"
+
+class RC_Channel
+{
+    public:
+        RC_Channel(PinName mypin, int index); // NO p19/p20!!!!, they don't support InterruptIn
+        int read(); // read the last measured data
+       
+    private:
+        int index; // to know which channel of the RC an instance has (only for calibrations savings)
+        int time; // last measurement data
+        float scale; // calibration values
+        float offset;
+        
+        InterruptIn myinterrupt; // interrupt on the pin to react when signal falls or rises
+        void rise(); // start the time measurement when signal rises
+        void fall(); // stop the time mesurement and save the value when signal falls
+        Timer timer; // timer to measure the up time of the signal and if the signal timed out
+        
+        Ticker timeoutchecker; // Ticker to see if signal broke down
+        void timeoutcheck(); // to check for timeout, checked every second
+        
+        // Calibration value saving
+        void saveCalibrationValue(float * value, char * fileextension);
+        void loadCalibrationValue(float * value, char * fileextension);
+};
+
+#endif
\ No newline at end of file