From 0b624384cd52be20e61284551d832b499d7b7707 Mon Sep 17 00:00:00 2001
From: Jonathan McCrohan <jmccrohan@gmail.com>
Date: Sat, 14 Apr 2012 12:56:48 +0100
Subject: Imported Upstream version 2.1.8.20120216

---
 cphidgetencoder.h | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 cphidgetencoder.h

(limited to 'cphidgetencoder.h')

diff --git a/cphidgetencoder.h b/cphidgetencoder.h
new file mode 100644
index 0000000..c706a92
--- /dev/null
+++ b/cphidgetencoder.h
@@ -0,0 +1,121 @@
+#ifndef __CPHIDGETENCODER
+#define __CPHIDGETENCODER
+#include "cphidget.h"
+
+/** \defgroup phidenc Phidget Encoder 
+ * \ingroup phidgets
+ * Calls specific to the Phidget Encoder. See the product manual for more specific API details, supported functionality, units, etc.
+ * @{
+ */
+
+DPHANDLE(Encoder)
+CHDRSTANDARD(Encoder)
+
+/**
+ * Gets the number of digital inputs supported by this board.
+ * @param phid An attached phidget encoder handle
+ * @param count The input count.
+ */
+CHDRGET(Encoder,InputCount,int *count)
+/**
+ * Gets the state of a digital input.
+ * @param phid An attached phidget encoder handle
+ * @param index The input index.
+ * @param inputState The input state. Possible values are \ref PTRUE and \ref PFALSE.
+ */
+CHDRGETINDEX(Encoder,InputState,int *inputState)
+/**
+ * Sets an input change handler. This is called when a digital input changes.
+ * @param phid An attached phidget encoder 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(Encoder,InputChange,int inputState)
+/**
+ * Gets the number of encoder inputs supported by this board.
+ * @param phid An attached phidget encoder handle
+ * @param count The encoder input count.
+ */
+CHDRGET(Encoder,EncoderCount,int *count)
+/**
+ * Gets the current position of an encoder.
+ * @param phid An attached phidget encoder handle
+ * @param index The encoder input index.
+ * @param position The current position
+ */
+CHDRGETINDEX(Encoder,Position,int *position)
+/**
+ * Sets the current position of an encoder.
+ * @param phid An attached phidget encoder handle
+ * @param index The encoder input index.
+ * @param position The new position
+ */
+CHDRSETINDEX(Encoder,Position,int position)
+/**
+ * Sets an encoder change handler. This is called when an encoder position changes.
+ * @param phid An attached phidget encoder handle
+ * @param fptr Callback function pointer. Note that positionChange is a relative not absolute change and time is the time
+ *	in ms since the last position change event.
+ * @param userPtr A pointer for use by the user - this value is passed back into the callback function.
+ */
+CHDREVENTINDEX(Encoder,PositionChange,int time,int positionChange)
+/**
+ * Gets the position of the last index pulse, as referenced to \ref CPhidgetEncoder_getPosition.
+ * This will return EPHIDGET_UNKNOWN if there hasn't been an index event, or if the encoder doesn't support index.
+ * @param phid An attached phidget encoder handle
+ * @param index The encoder index.
+ * @param position The index position.
+ */
+CHDRGETINDEX(Encoder,IndexPosition,int *position)
+/**
+ * Gets the enabled state of an encoder. This is whether the encoder is powered or not.
+ * @param phid An attached phidget encoder handle
+ * @param index The encoder index.
+ * @param enabledState The enabled state. Possible values are \ref PTRUE and \ref PFALSE.
+ */
+CHDRGETINDEX(Encoder,Enabled,int *enabledState)
+/**
+ * Sets the enabled state of an encoder. This is whether the encoder is powered or not.
+ * @param phid An attached phidget encoder handle
+ * @param index The encoder index.
+ * @param enabledState The enabled state. Possible values are \ref PTRUE and \ref PFALSE.
+ */
+CHDRSETINDEX(Encoder,Enabled,int enabledState)
+
+#ifndef REMOVE_DEPRECATED
+DEP_CHDRGETINDEX("Deprecated - use CPhidgetEncoder_getPosition",Encoder,EncoderPosition,int *)
+DEP_CHDRSETINDEX("Deprecated - use CPhidgetEncoder_setPosition",Encoder,EncoderPosition,int)
+DEP_CHDRGET("Deprecated - use CPhidgetEncoder_getInputCount",Encoder,NumInputs,int *)
+DEP_CHDRGET("Deprecated - use CPhidgetEncoder_getEncoderCount",Encoder,NumEncoders,int *)
+#endif
+
+#ifndef EXTERNALPROTO
+#define ENCODER_MAXENCODERS 4
+#define ENCODER_MAXINPUTS 4
+struct _CPhidgetEncoder {
+	CPhidget phid;
+
+	int (CCONV *fptrInputChange)        (CPhidgetEncoderHandle, void *, int, int); 
+	void *fptrInputChangeptr;
+	int (CCONV *fptrPositionChange)        (CPhidgetEncoderHandle, void *, int, int, int); 
+	void *fptrPositionChangeptr;
+
+	unsigned char inputState[ENCODER_MAXINPUTS];
+
+	int encoderPosition[ENCODER_MAXENCODERS];
+	int encoderTimeStamp[ENCODER_MAXENCODERS];
+
+	unsigned char enableState[ENCODER_MAXENCODERS];
+	unsigned char enableStateEcho[ENCODER_MAXENCODERS];
+
+	int indexPosition[ENCODER_MAXENCODERS];
+
+	unsigned char outputPacket[8];
+	unsigned int outputPacketLen;
+
+} typedef CPhidgetEncoderInfo;
+#endif
+
+/** @} */
+
+#endif
-- 
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