Gert Lauritsen / Tarco

Interface to a standard tarco sensor. Measure the periode and the cal the speed

Tarco.h@7:752b8065ce2d, 2014-03-07 (annotated)

Committer:
gert_lauritsen
Date:
Fri Mar 07 08:01:26 2014 +0000
Revision:
7:752b8065ce2d
Parent:
6:2ad5029f7b1a
Child:
8:2e6b17f1da02
Fungerende version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gert_lauritsen 2:c50da089786a 1 #ifndef _Tarco_H
gert_lauritsen 2:c50da089786a 2 #define _Tarco_H
gert_lauritsen 7:752b8065ce2d 3
gert_lauritsen 7:752b8065ce2d 4 #include "mbed.h"
gert_lauritsen 5:451dd1189b0f 5 #define TarcoRunMean 50
gert_lauritsen 7:752b8065ce2d 6 #define PulsPrRotation 24
gert_lauritsen 7:752b8065ce2d 7 /*************************************************************************************
gert_lauritsen 7:752b8065ce2d 8 * Tarco sensor on the SwitchAuto
gert_lauritsen 7:752b8065ce2d 9 * Have 2 mode to measure the rotation
gert_lauritsen 7:752b8065ce2d 10 * @param mode
gert_lauritsen 7:752b8065ce2d 11 * Mode 0 Prescale
gert_lauritsen 7:752b8065ce2d 12 * Mode 1 Runing mean
gert_lauritsen 7:752b8065ce2d 13 *************************************************************************************/
gert_lauritsen 2:c50da089786a 14 class Tarco {
gert_lauritsen 2:c50da089786a 15 private:
gert_lauritsen 2:c50da089786a 16 InterruptIn _tarcosensor;
gert_lauritsen 5:451dd1189b0f 17 int AdvPeriode[TarcoRunMean]; //running mean for tarco
gert_lauritsen 4:35024179a736 18 Timer t; //time for one rotation
gert_lauritsen 7:752b8065ce2d 19
gert_lauritsen 4:35024179a736 20 char tarcomode;
gert_lauritsen 5:451dd1189b0f 21 float lastfrekvens;
gert_lauritsen 6:2ad5029f7b1a 22 int lastperiode;
gert_lauritsen 7:752b8065ce2d 23
gert_lauritsen 7:752b8065ce2d 24 void RunMeanMeasure(); //Measure the tarco from a one puls /rotation source
gert_lauritsen 7:752b8065ce2d 25 void Rotationtimer(); //measure tarco by dividing input frekvens with 24
gert_lauritsen 7:752b8065ce2d 26
gert_lauritsen 2:c50da089786a 27 public:
gert_lauritsen 7:752b8065ce2d 28 /********************************************************************************
gert_lauritsen 7:752b8065ce2d 29 * Constructor
gert_lauritsen 7:752b8065ce2d 30 * @param flowsignal The pin which is connected to the flowsensor.
gert_lauritsen 7:752b8065ce2d 31 *
gert_lauritsen 7:752b8065ce2d 32 * change the mode of the tarco
gert_lauritsen 7:752b8065ce2d 33 * 0: Standard Prescale to one measure pr rotation
gert_lauritsen 7:752b8065ce2d 34 * 1: Running mean
gert_lauritsen 7:752b8065ce2d 35 ********************************************************************************/
gert_lauritsen 4:35024179a736 36 Tarco(PinName tarcosignal,char mode);
gert_lauritsen 4:35024179a736 37
gert_lauritsen 7:752b8065ce2d 38 /********************************************************************************
gert_lauritsen 7:752b8065ce2d 39 * gives the tarco value in hz
gert_lauritsen 7:752b8065ce2d 40 ********************************************************************************/
gert_lauritsen 3:6d3f2034e5f1 41
gert_lauritsen 2:c50da089786a 42 float Speed();
gert_lauritsen 7:752b8065ce2d 43 /********************************************************************************
gert_lauritsen 7:752b8065ce2d 44 * gives the tarco value in rotation pr min
gert_lauritsen 7:752b8065ce2d 45 ********************************************************************************/
gert_lauritsen 3:6d3f2034e5f1 46
gert_lauritsen 2:c50da089786a 47 float RPM();
gert_lauritsen 2:c50da089786a 48 };
gert_lauritsen 2:c50da089786a 49
gert_lauritsen 2:c50da089786a 50 #endif