Imported Upstream version 2.1.8.20120216upstream/2.1.8.20120216

1 files changed, 154 insertions, 0 deletions

diff --git a/cphidgetfrequencycounter.h b/cphidgetfrequencycounter.h
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+#ifndef __CPHIDGETFREQUENCYCOUNTER

+#define __CPHIDGETFREQUENCYCOUNTER

+#include "cphidget.h"

+

+/** \defgroup phidfreq Phidget Frequency Counter

+ * \ingroup phidgets

+ * Calls specific to the Phidget Frequency Counter. See the product manual for more specific API details, supported functionality, units, etc.

+ *

+ * @{

+ */

+

+/**

+ * Filter Types supported by the frequency counter.

+ */

+typedef enum {

+	PHIDGET_FREQUENCYCOUNTER_FILTERTYPE_ZERO_CROSSING = 1,	/**< Zero crossing signal filter. */

+	PHIDGET_FREQUENCYCOUNTER_FILTERTYPE_LOGIC_LEVEL,		/**< Logic level signal filter. */

+	PHIDGET_FREQUENCYCOUNTER_FILTERTYPE_UNKNOWN				/**< Filter type unknown. */

+}  CPhidgetFrequencyCounter_FilterType;

+

+DPHANDLE(FrequencyCounter)

+CHDRSTANDARD(FrequencyCounter)

+

+/**

+ * Gets the number of inputs supported by this phidget frequency counter.

+ * @param phid An attached phidget frequency counter handle.

+ * @param count The input count.

+ */

+CHDRGET(FrequencyCounter,FrequencyInputCount,int *count)

+/**

+ * Gets the measured frequency of an input, in Hz.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ * @param frequency The frequency.

+ */

+CHDRGETINDEX(FrequencyCounter,Frequency,double *frequency)

+/**

+ * Gets the total time that has passed since the last reset on this input, in microseconds.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ * @param time The time.

+ */

+CHDRGETINDEX(FrequencyCounter,TotalTime,__int64 *time)

+/**

+ * Gets the total number of ticks that have happened since the last reset on this input.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ * @param count The tick count.

+ */

+CHDRGETINDEX(FrequencyCounter,TotalCount,__int64 *count)

+/**

+ * Gets the timeout value for an input, in microseconds. This controls the lowest measurable frequency.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ * @param timeout The timeout.

+ */

+CHDRSETINDEX(FrequencyCounter,Timeout,int timeout)

+/**

+ * Sets the timeout value for an input, in microseconds.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ * @param timeout The timeout.

+ */

+CHDRGETINDEX(FrequencyCounter,Timeout,int *timeout)

+/**

+ * Gets the enabled state for an input.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ * @param enabledState The enabled state.

+ */

+CHDRSETINDEX(FrequencyCounter,Enabled,int enabledState)

+/**

+ * Sets the enabled state for an input.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ * @param enabledState The enabled state.

+ */

+CHDRGETINDEX(FrequencyCounter,Enabled,int *enabledState)

+/**

+ * Gets the filter type for an input.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ * @param filter The filter type.

+ */

+CHDRSETINDEX(FrequencyCounter,Filter,CPhidgetFrequencyCounter_FilterType filter)

+/**

+ * Sets the filter type for an input.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ * @param filter The filter type.

+ */

+CHDRGETINDEX(FrequencyCounter,Filter,CPhidgetFrequencyCounter_FilterType *filter)

+/**

+ * Resets total count and total time for an input.

+ * @param phid An attached phidget frequency counter handle.

+ * @param index The input index.

+ */

+PHIDGET21_API int CCONV CPhidgetFrequencyCounter_reset(CPhidgetFrequencyCounterHandle phid, int index);

+/**

+ * Sets a count event handler. This is called when ticks have been counted on an input, or when the timeout has passed.

+ * @param phid A phidget frequency counter handle.

+ * @param fptr Callback function pointer.

+ * @param userPtr A pointer for use by the user - this value is passed back into the callback function.

+ */

+CHDREVENTINDEX(FrequencyCounter,Count,int time,int counts)

+

+#ifndef EXTERNALPROTO

+CHDRGETINDEX(FrequencyCounter,TotalTime32,int *time)

+CHDRGETINDEX(FrequencyCounter,TotalCount32,int *count)

+#define FREQCOUNTER_MAXINPUTS 2

+

+#define FREQCOUNTER_TICKS_PER_SEC	100000

+#define FREQCOUNTER_MICROSECONDS_PER_TICK	(1000000 / FREQCOUNTER_TICKS_PER_SEC)

+

+//OUT packet flags

+#define FREQCOUNTER_FLAG_CH1_LOGIC 0x01

+#define FREQCOUNTER_FLAG_CH0_LOGIC 0x02

+#define FREQCOUNTER_FLAG_CH1_ENABLE 0x04

+#define FREQCOUNTER_FLAG_CH0_ENABLE 0x08

+

+struct _CPhidgetFrequencyCounter {

+	CPhidget phid;

+

+	int (CCONV *fptrCount)(CPhidgetFrequencyCounterHandle, void *, int, int, int);

+	void *fptrCountptr;

+

+	int timeout[FREQCOUNTER_MAXINPUTS]; //microseconds

+	CPhidgetFrequencyCounter_FilterType filter[FREQCOUNTER_MAXINPUTS];

+	unsigned char enabled[FREQCOUNTER_MAXINPUTS];

+

+	CPhidgetFrequencyCounter_FilterType filterEcho[FREQCOUNTER_MAXINPUTS];

+	unsigned char enabledEcho[FREQCOUNTER_MAXINPUTS];

+

+	double frequency[FREQCOUNTER_MAXINPUTS]; //Hz

+	int totalTicksSinceLastCount[FREQCOUNTER_MAXINPUTS]; //ticks

+

+	__int64 totalCount[FREQCOUNTER_MAXINPUTS];

+	__int64 totalTime[FREQCOUNTER_MAXINPUTS]; //microseconds

+

+	int flip[FREQCOUNTER_MAXINPUTS];

+	int lastPacketCount;

+	

+	CThread_mutex_t resetlock; /* protects reset */

+

+	int countsGood[FREQCOUNTER_MAXINPUTS]; //for webservice

+

+	unsigned char outputPacket[8];

+	unsigned int outputPacketLen;

+} typedef CPhidgetFrequencyCounterInfo;

+#endif

+

+/** @} */

+

+#endif