/** @file HL_eqep.h
*   @brief EQEP Driver Header File
*   @date 02-Mar-2016
*   @version 04.05.02
*   
*/

/* 
* Copyright (C) 2009-2016 Texas Instruments Incorporated - www.ti.com  
* 
* 
*  Redistribution and use in source and binary forms, with or without 
*  modification, are permitted provided that the following conditions 
*  are met:
*
*    Redistributions of source code must retain the above copyright 
*    notice, this list of conditions and the following disclaimer.
*
*    Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the 
*    documentation and/or other materials provided with the   
*    distribution.
*
*    Neither the name of Texas Instruments Incorporated nor the names of
*    its contributors may be used to endorse or promote products derived
*    from this software without specific prior written permission.
*
*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
*  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
*  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
*  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
*  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
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*  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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*  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/


#ifndef __eQEP_H__
#define __eQEP_H__

#include "HL_reg_eqep.h"

#ifdef __cplusplus
extern "C" {
#endif

/* USER CODE BEGIN (0) */
/* USER CODE END */

#define QEP_BASE_ADDR                        (0x00006B00U)      /*<base address of QEP */

/*QDECCTL Register */
#define eQEP_QDECCTL_QSRC					 ((uint16)((uint16)3U  << 14U))		/*<position counter source selection   */
#define eQEP_QDECCTL_SOEN					 ((uint16)((uint16)1U  << 13U))		/*<sync output enable                  */
#define eQEP_QDECCTL_SPSEL					 ((uint16)((uint16)1U  << 12U))		/*<sync output pin selection           */
#define eQEP_QDECCTL_XCR				 	 ((uint16)((uint16)1U  << 11U))		/*<external clock rate                 */
#define eQEP_QDECCTL_SWAP					 ((uint16)((uint16)1U  << 10U))		/*<swap quadrature clock inputs        */
#define eQEP_QDECCTL_IGATE					 ((uint16)((uint16)1U  <<  9U))		/*<index pulse gating option           */
#define eQEP_QDECCTL_QAP				 	 ((uint16)((uint16)1U  <<  8U))		/*<QEPA input polarity                 */
#define eQEP_QDECCTL_QBP					 ((uint16)((uint16)1U  <<  7U))		/*<QEPB input polarity                 */
#define eQEP_QDECCTL_QIP					 ((uint16)((uint16)1U  <<  6U))		/*<QEPI input polarity                 */
#define eQEP_QDECCTL_QSP					 ((uint16)((uint16)1U  <<  5U))		/*<QEPS input polarity                 */

/*QEPCTL Register */
#define eQEP_QEPCTL_FREESOFT				 ((uint16)((uint16)3U << 14U))		/*<emulation control bit                                          */
#define eQEP_QEPCTL_PCRM					 ((uint16)((uint16)3U << 12U))		/*<emulation control bit                                          */
#define eQEP_QEPCTL_SEI						 ((uint16)((uint16)3U << 10U))		/*<strobe event initialization of position counter                */
#define eQEP_QEPCTL_IEI						 ((uint16)((uint16)3U <<  8U))		/*<index event initialization of position counter                 */
#define eQEP_QEPCTL_SWI						 ((uint16)((uint16)1U <<  7U))		/*<software initialization of position counter                    */
#define eQEP_QEPCTL_SEL						 ((uint16)((uint16)1U <<  6U))		/*<strobe event latch of position counter                         */
#define eQEP_QEPCTL_IEL						 ((uint16)((uint16)3U <<  4U))		/*<index event latch of position counter ((uint16)((uint16)software index marker)  */
#define eQEP_QEPCTL_QPEN					 ((uint16)((uint16)1U <<  3U))		/*<quad position counter enable/software reset                    */
#define eQEP_QEPCTL_QCLM					 ((uint16)((uint16)1U <<  2U))		/*<QEP capture latch mode                                         */
#define eQEP_QEPCTL_UTE						 ((uint16)((uint16)1U <<  1U))		/*<QEP unit timer enable                                          */
#define eQEP_QEPCTL_WDE						 ((uint16)((uint16)1U <<  0U))		/*<watchdog timer enable                                          */
                                                                                                                                  
/*QPOSCTL Register */                                                                                                                
#define eQEP_QPOSCTL_PCSHDW					 ((uint16)((uint16)1U << 15U))	/*<position compare shadow enable                                     */
#define eQEP_QPOSCTL_PCLOAD					 ((uint16)((uint16)1U << 14U))	/*<position compare shadow load mode                                  */
#define eQEP_QPOSCTL_PCPOL					 ((uint16)((uint16)1U << 13U))	/*<load when QPOSCNT = QPOSCMP                                        */
#define eQEP_QPOSCTL_PCE					 ((uint16)((uint16)1U << 12U))	/*<position compare enable/disable                                    */
#define eQEP_QPOSCTL_PCSPW					 ((uint16)((uint16)4095U <<  0U))	/*<selection position compare sync output pulse width                 */

/*QCAPCTL Register */
#define eQEP_QCAPCTL_CEN					 ((uint16)((uint16)1U << 15U))	/*<enable QEP capture                */
#define eQEP_QCAPCTL_CCPS					 ((uint16)((uint16)7U <<  4U))	/*<qep capture timer clock prescaler */ 
#define eQEP_QCAPCTL_UPPS					 ((uint16)((uint16)15U <<  0U))	/*<unit position event prescaler     */ 

/*QEINT Register */
#define eQEP_QEINT_UTO						 ((uint16)((uint16)1U << 11U))	/*<unit timeout interrupt enable                    */
#define eQEP_QEINT_IEL						 ((uint16)((uint16)1U << 10U))	/*<index event latch interrupt enable               */
#define eQEP_QEINT_SEL						 ((uint16)((uint16)1U <<  9U))	/*<strobe event latch	interrupt enable            */
#define eQEP_QEINT_PCM						 ((uint16)((uint16)1U <<  8U))	/*<position compare match interrupt enable	        */
#define eQEP_QEINT_PCR						 ((uint16)((uint16)1U <<  7U))	/*<position compare ready interrupt enable          */
#define eQEP_QEINT_PCO						 ((uint16)((uint16)1U <<  6U))	/*<position counter overflow interrupt enable       */
#define eQEP_QEINT_PCU						 ((uint16)((uint16)1U <<  5U))	/*<position counter underflow interrupt enable      */
#define eQEP_QEINT_WTO						 ((uint16)((uint16)1U <<  4U))	/*<watchdog time out interrupt enable               */
#define eQEP_QEINT_QDC						 ((uint16)((uint16)1U <<  3U))	/*<quadrature direction change interrupt enable     */
#define eQEP_QEINT_QPE						 ((uint16)((uint16)1U <<  2U))	/*<quadrature phase error interrupt enable          */
#define eQEP_QEINT_PCE						 ((uint16)((uint16)1U <<  1U))	/*<position counter error interrupt enable          */
																
/*QFLG Register */
#define eQEP_QFLG_UTO						 ((uint16)((uint16)1U << 11U))	/*<unit timeout interrupt flag                       */
#define eQEP_QFLG_IEL						 ((uint16)((uint16)1U << 10U))	/*<index event latch interrupt flag                  */
#define eQEP_QFLG_SEL						 ((uint16)((uint16)1U <<  9U))	/*<strobe event latch	interrupt flag               */
#define eQEP_QFLG_PCM						 ((uint16)((uint16)1U <<  8U))	/*<position compare match interrupt flag             */
#define eQEP_QFLG_PCR						 ((uint16)((uint16)1U <<  7U))	/*<position compare ready interrupt flag             */
#define eQEP_QFLG_PCO						 ((uint16)((uint16)1U <<  6U))	/*<position counter overflow interrupt flag          */
#define eQEP_QFLG_PCU						 ((uint16)((uint16)1U <<  5U))	/*<position counter underflow interrupt flag         */
#define eQEP_QFLG_WTO						 ((uint16)((uint16)1U <<  4U))	/*<watchdog time out interrupt flag                  */
#define eQEP_QFLG_QDC						 ((uint16)((uint16)1U <<  3U))	/*<quadrature direction change interrupt flag        */
#define eQEP_QFLG_QPE						 ((uint16)((uint16)1U <<  2U))	/*<quadrature phase error interrupt flag             */
#define eQEP_QFLG_PCE						 ((uint16)((uint16)1U <<  1U))	/*<position counter error interrupt flag             */

/*QCLR Register */
#define eQEP_QCLR_UTO						 ((uint16)((uint16)1U << 11U))	/*<clear unit timeout interrupt flag                  */
#define eQEP_QCLR_IEL						 ((uint16)((uint16)1U << 10U))	/*<clear index event latch interrupt flag             */
#define eQEP_QCLR_SEL						 ((uint16)((uint16)1U <<  9U))	/*<clear strobe event latch interrupt flag            */
#define eQEP_QCLR_PCM						 ((uint16)((uint16)1U <<  8U))	/*<clear position compare match interrupt flag        */
#define eQEP_QCLR_PCR						 ((uint16)((uint16)1U <<  7U))	/*<clear position compare ready interrupt flag        */
#define eQEP_QCLR_PCO						 ((uint16)((uint16)1U <<  6U))	/*<clear position counter overflow interrupt flag     */
#define eQEP_QCLR_PCU						 ((uint16)((uint16)1U <<  5U))	/*<clear position counter underflow interrupt flag    */
#define eQEP_QCLR_WTO						 ((uint16)((uint16)1U <<  4U))	/*<clear watchdog time out interrupt flag             */
#define eQEP_QCLR_QDC						 ((uint16)((uint16)1U <<  3U))	/*<clear quadrature direction change interrupt flag   */
#define eQEP_QCLR_QPE						 ((uint16)((uint16)1U <<  2U))	/*<clear quadrature phase error interrupt flag        */
#define eQEP_QCLR_PCE						 ((uint16)((uint16)1U <<  1U))	/*<clear position counter error interrupt flag        */

/*QFRC Register */
#define eQEP_QFRC_UTO						 ((uint16)((uint16)1U << 11U))	/*<force unit timeout interrupt                       */
#define eQEP_QFRC_IEL						 ((uint16)((uint16)1U << 10U))	/*<force index event latch interrupt                  */
#define eQEP_QFRC_SEL						 ((uint16)((uint16)1U <<  9U))	/*<force strobe event latch interrupt                 */
#define eQEP_QFRC_PCM						 ((uint16)((uint16)1U <<  8U))	/*<force position compare match interrupt             */
#define eQEP_QFRC_PCR						 ((uint16)((uint16)1U <<  7U))	/*<force position compare ready interrupt             */
#define eQEP_QFRC_PCO						 ((uint16)((uint16)1U <<  6U))	/*<force position counter overflow interrupt          */
#define eQEP_QFRC_PCU						 ((uint16)((uint16)1U <<  5U))	/*<force position counter underflow interrupt         */
#define eQEP_QFRC_WTO						 ((uint16)((uint16)1U <<  4U))	/*<force watchdog time out interrupt                  */
#define eQEP_QFRC_QDC						 ((uint16)((uint16)1U <<  3U))	/*<force quadrature direction change interrupt        */
#define eQEP_QFRC_QPE						 ((uint16)((uint16)1U <<  2U))	/*<force quadrature phase error interrupt             */
#define eQEP_QFRC_PCE						 ((uint16)((uint16)1U <<  1U))	/*<force position counter error interrupt             */

/*QEPSTS Register */
#define eQEP_QEPSTS_UPEVNT					((uint16)((uint16)1U << 7U))		/*<unit position event flag                       */
#define eQEP_QEPSTS_FDF						((uint16)((uint16)1U << 6U))		/*<direction on the first index marker            */
#define eQEP_QEPSTS_QDF						((uint16)((uint16)1U << 5U))		/*<quadrature direction flag                      */
#define eQEP_QEPSTS_QDLF						((uint16)((uint16)1U << 4U))		/*<direction latch flag                           */
#define eQEP_QEPSTS_COEF						((uint16)((uint16)1U << 3U))		/*<capture overflow error flag                    */
#define eQEP_QEPSTS_CDEF						((uint16)((uint16)1U << 2U))		/*<capture direction error flag                   */
#define eQEP_QEPSTS_FIMF						((uint16)((uint16)1U << 1U))		/*<first index marker flag                        */
#define eQEP_QEPSTS_PCEF						((uint16)((uint16)1U << 0U))		/*<position counter error flag                    */
                                                                                                                  
/*PC mode  */                                                                                                        
#define eQEP_QUADRATURE_COUNT                 0x00U                                                                
#define eQEP_DIRECTION_COUNT                  0x01U
#define eQEP_UP_COUNT                         0x02U
#define eQEP_DOWN_COUNT                       0x03U

/*External Clock Rate */ 
#define eQEP_RESOLUTION_2x                    0x00U
#define eQEP_RESOLUTION_1x                    0x01U

/*Direction */
#define eQEP_CLOCKWISE                        0x01U
#define eQEP_COUNTERCLOCKWISE                 0x01U

/*Edge */
#define eQEP_RISING_EDGE                      0x00U
#define eQEP_FALLING_EDGE                     0x01U
#define eQEP_DIRECTON_DEPENDENT               0x01U

/*Index event latch of position counter */ 
#define eQEP_LATCH_RISING_EDGE                0x01U
#define eQEP_LATCH_FALLING_EDGE               0x02U
#define eQEP_LATCH_SW_INDEX_MARKER            0x03U

/*Position counter reset mode */
#define eQEP_INDEX_EVENT                      0x00U
#define eQEP_MAX_POSITION                     0x01U
#define eQEP_FIRST_INDEX_EVENT                0x02U
#define eQEP_UNITTIME_EVENT                   0x03U

/*eQEP capture timer clock prescaler and Unit position event prescaler */
#define eQEP_PS_1                             0x00U
#define eQEP_PS_2                             0x01U
#define eQEP_PS_4                             0x02U
#define eQEP_PS_8                             0x03U
#define eQEP_PS_16                            0x04U
#define eQEP_PS_32                            0x05U
#define eQEP_PS_64                            0x06U
#define eQEP_PS_128                           0x07U
#define eQEP_PS_256                           0x08U
#define eQEP_PS_512                           0x09U
#define eQEP_PS_1024                          0x0AU
#define eQEP_PS_2048                          0x0BU

/*eQEP capture latch mode */
#define eQEP_ON_POSITION_COUNTER_READ         0x00U
#define eQEP_ON_UNIT_TIMOUT_EVENT             0x01U

/*Sync output pin selection */
#define eQEP_INDEX_PIN                        0x00U
#define eQEP_STROBE_PIN                       0x01U

/*Position-compare shadow load mode */
#define eQEP_QPOSCNT_EQ_0                     0x00U
#define eQEP_QPOSCNT_EQ_QPSCMP                0x01U

/*Polarity of sync output */
#define eQEP_ACTIVE_HIGH                      0x00U
#define eQEP_ACTIVE_LOW                       0x01U

/***************************************************************************
* the typedefs
*/
/** @brief QEP counting mode
*/
typedef enum
{
	eQEP_Qsrc_Quad_Count_Mode=((uint16)0U << 14U),					/*<quadrature count mode                                          */
	eQEP_Qsrc_Dir_Count_Mode=((uint16)1U << 14U),					/*<direction count mode                                           */
	eQEP_Qsrc_Up_Count_Mode=((uint16)2U << 14U),						/*<up count mode for frequency measurement (QCLK=XCLK, QDIR=1U)   */
	eQEP_Qsrc_Down_Count_Mode=((uint16)3U << 14U)					/*<down count mode for frequency measurement (QCLK=XCLK, QDIR=0U) */
} eQEP_Qsrc_t;

/** @brief Sync output pin selection
*/
typedef enum
{	
	eQEP_Spsel_Index_Pin_Sync_Output=((uint16)0U << 12U),			/*<index pin for sync output  */
	eQEP_Spsel_Strobe_Pin_Sync_Output=((uint16)1U << 12U)			/*<strobe pin for sync output */ 
} eQEP_Spsel_t;

/** @brief External clock rate
*/
typedef enum
{
	eQEP_Xcr_2x_Res=((uint16)0U << 11U),								/*<2x resolution: count the rising/falling edge  */
	eQEP_Xcr_1x_Res=((uint16)1U << 11U)								/*<1x resolution: count the rising edge only     */
} eQEP_Xcr_t;

/** @brief Swap A/B channels
*/
typedef enum
{
	eQEP_Swap_Not_Swapped=((uint16)0U << 10U),						/*<quad inputs not swapped  */
	eQEP_Swap_Swapped=((uint16)1U << 10U)							/*<quad inputs swapped      */
} eQEP_Swap_t;

/** @brief Index gating
*/
typedef enum
{
	eQEP_Igate_Disable=((uint16)0U << 9U),							/*<disable gating of index pulse  */
	eQEP_Igate_Enable=((uint16)1U << 9U)								/*<enable gating of index pulse   */
} eQEP_Igate_t;

/** @brief Channel A polarity
*/
typedef enum
{
	eQEP_Qap_No_Effect=((uint16)0U << 8U),							/*<no effect           */
	eQEP_Qap_Inverted=((uint16)1U << 8U)								/*<negates QEPA input  */
} eQEP_Qap_t;

/** @brief Channel B polarity
*/
typedef enum
{
	eQEP_Qbp_No_Effect=((uint16)0U << 7U),							/*<no effect           */
	eQEP_Qbp_Inverted=((uint16)1U << 7U)								/*<negates QEPB input  */
} eQEP_Qbp_t;

/** @brief Index polarity
*/
typedef enum
{
	eQEP_Qip_No_Effect=((uint16)0U << 6U),							/*<no effect          */
	eQEP_Qip_Inverted=((uint16)1U << 6U)								/*<negates QEPI input */
} eQEP_Qip_t;

/** @brief Channel S polarity
*/
typedef enum
{
	eQEP_Qsp_No_Effect=((uint16)0U << 5U),								/*<no effect*/
	eQEP_Qsp_Inverted=((uint16)1U << 5U)								/*<negates QEPS input */
} eQEP_Qsp_t;

/** @brief Emulation control bits
*/
typedef enum
{
	QEPCTL_Freesoft_Immediate_Halt=((uint16)0U << 14U),				/*<position, watchdog, unit timer, capture timer stops immediately                                       */
	QEPCTL_Freesoft_Rollover_Halt=((uint16)1U << 14U),				/*<position, watchdog, unit timer continues until rollover, capture counts until next unit period event  */
	QEPCTL_Freesoft_Unaffected_Halt=((uint16)2U << 14U)				/*<position, watchdog, unit timer, capture timer unaffected by emu suspend                               */
} QEPCTL_Freesoft_t;

/** @brief Position counter reset mode
*/
typedef enum
{
	QEPCTL_Pcrm_Index_Reset=((uint16)0U << 12U),					/*<position counter reset on index event      */
	QEPCTL_Pcrm_Max_Reset=((uint16)1U << 12U),						/*<position counter reset on max position     */
	QEPCTL_Pcrm_First_Index_Reset=((uint16)2U << 12U),				/*<position counter reset on first index event*/
	QEPCTL_Pcrm_Unit_Time_Reset=((uint16)3U << 12U)					/*<position counter reset on unit time event  */
} QEPCTL_Pcrm_t;

/** @brief Strobe event initialization of position counter
*/
typedef enum
{ 
	QEPCTL_Sei_Nothing=((uint16)0U << 10U),							/*<does nothing                                       */
	QEPCTL_Sei_Rising_Edge_Init=((uint16)2U << 10U),				/*<initializes on rising edge of QEPS signal          */
	QEPCTL_Sei_Rising_Falling_Edge_Init=((uint16)3U << 10U)			/*<initializes on rising/falling edge of QEPS signal  */
} QEPCTL_Sei_t;

/** @brief Index event initialization of position counter
*/
typedef enum
{
	QEPCTL_Iei_Nothing=((uint16)0U << 8U),							/*<does nothing                               */
	QEPCTL_Iei_Rising_Edge_Init=((uint16)2U << 8U),					/*<initializes on rising edge of QEPI signal  */
	QEPCTL_Iei_Rising_Falling_Edge_Init=((uint16)3U << 8U)			/*<initializes on falling edge of QEPI signal */
} QEPCTL_Iei_t;

/** @brief Software initialization of position counter
*/
typedef enum
{
	QEPCTL_Swi_Nothing=((uint16)0U << 7U),							/*<does nothing                             */
	QEPCTL_Swi_Auto_Init_Counter=((uint16)1U << 7U)					/*<init position counter (QPOSCNT=QPOSINIT) */
} QEPCTL_Swi_t;

/** @brief Strobe event latch of position counter
*/
typedef enum
{
	QEPCTL_Sel_Rising_Edge=((uint16)0U << 6U),						/*<Position counter latched on rising edge of QEPS strobe (QPOSSLAT = POSCCNT)                    */
	QEPCTL_Sel_Rising_Falling_Edge=((uint16)1U << 6U)				/*<Clockwise: position counter latched on rising edge, counter clockwise: latched on falling edge */
} QEPCTL_Sel_t;
	
/** @brief Index event latch of position counter (software index marker)
*/
typedef enum
{
	QEPCTL_Iel_Rising_Edge=((uint16)1U << 4U),						/*<latches position counter on rising edge of index signal  */
	QEPCTL_Iel_Falling_Edge=((uint16)2U << 4U),						/*<ditto on falling edge of index signal                    */
	QEPCTL_Iel_Software_Index_Marker=((uint16)3U << 4U)				/*<software index marker.  See data sheet.                  */
} QEPCTL_Iel_t;

/** @brief QEP capture latch mode
*/
typedef enum
{
	QEPCTL_Qclm_Latch_on_CPU_Read=((uint16)0U << 2U),					/*<latch on position counter read by cpu  */
	QEPCTL_Qclm_Latch_on_Unit_Timeout=((uint16)1U << 2U)				/*<latch on unit time out                 */
} QEPCTL_Qclm_t;

/** @brief Position compare shadow enable
*/
typedef enum
{
	QPOSCTL_Pcshdw_Load_Immediate=((uint16)0U << 15U),				/*<shadow disabled, load immediate */
	QPOSCTL_Pcshdw_Shadow_Enabled=((uint16)1U << 15U)				/*<shadow enabled                  */
} QPOSCTL_Pcshdw_t;

/** @brief Position compare shadow load mode
*/
typedef enum
{
	QPOSCTL_Pcload_Load_Posn_Count_Zero=((uint16)0U << 14U),			/*<load on qposcnt = 0          */
	QPOSCTL_Pcload_Load_Posn_Count_Equal_Compare=((uint16)1U << 14U)	/*<load when qposcnt = qposcmp  */
} QPOSCTL_Pcload_t;

/** @brief Polarity of sync output
*/
typedef enum
{
	QPOSCTL_Pcpol_Active_High=((uint16)0U << 13U),					/*<active high pulse output  */
	QPOSCTL_Pcpol_Active_Low=((uint16)1U << 13U)					/*<active low pulse output   */
} QPOSCTL_Pcpol_t;

/** @brief QEP capture timer clock prescaler
*/
typedef enum
{
	QCAPCTL_Ccps_Capture_Div_1=((uint16)0U << 4U),					/*<capclk = sysclkout/1   */
	QCAPCTL_Ccps_Capture_Div_2=((uint16)1U << 4U),					/*<capclk = sysclkout/2   */
	QCAPCTL_Ccps_Capture_Div_4=((uint16)2U << 4U),					/*<capclk = sysclkout/4   */
	QCAPCTL_Ccps_Capture_Div_8=((uint16)3U << 4U),					/*<capclk = sysclkout/8   */
	QCAPCTL_Ccps_Capture_Div_16=((uint16)4U << 4U),					/*<capclk = sysclkout/16  */
	QCAPCTL_Ccps_Capture_Div_32=((uint16)5U << 4U),					/*<capclk = sysclkout/32  */
	QCAPCTL_Ccps_Capture_Div_64=((uint16)6U << 4U),					/*<capclk = sysclkout/64  */
	QCAPCTL_Ccps_Capture_Div_128=((uint16)7U << 4U)					/*<capclk = sysclkout/128 */
} QCAPCTL_Ccps_t;

/** @brief Unit position event prescaler
*/
typedef enum
{
	QCAPCTL_Upps_Div_1_Prescale=((uint16)0U << 0U),					/*<upevnt = qclk/1    */
	QCAPCTL_Upps_Div_2_Prescale=((uint16)1U << 0U),					/*<upevnt = qclk/2    */
	QCAPCTL_Upps_Div_4_Prescale=((uint16)2U << 0U),					/*<upevnt = qclk/4    */
	QCAPCTL_Upps_Div_8_Prescale=((uint16)3U << 0U),					/*<upevnt = qclk/8    */
	QCAPCTL_Upps_Div_16_Prescale=((uint16)4U << 0U),				/*<upevnt = qclk/16   */
	QCAPCTL_Upps_Div_32_Prescale=((uint16)5U << 0U),				/*<upevnt = qclk/32   */
	QCAPCTL_Upps_Div_64_Prescale=((uint16)6U << 0U),				/*<upevnt = qclk/64   */
	QCAPCTL_Upps_Div_128_Prescale=((uint16)7U << 0U),				/*<upevnt = qclk/128  */
	QCAPCTL_Upps_Div_256_Prescale=((uint16)8U << 0U),				/*<upevnt = qclk/256  */
	QCAPCTL_Upps_Div_512_Prescale=((uint16)9U << 0U),				/*<upevnt = qclk/512  */
	QCAPCTL_Upps_Div_1024_Prescale=((uint16)10U << 0U),				/*<upevnt = qclk/1024 */
	QCAPCTL_Upps_Div_2048_Prescale=((uint16)11U << 0U)				/*<upevnt = qclk/2048 */
} QCAPCTL_Upps_t;

/** @brief QEP interrupt enable flags
*/
typedef enum
{
	QEINT_Uto=((uint16)1U << 11U),									    /*<unit time out interrupt enable                      */
	QEINT_Iel=((uint16)1U << 10U),								     	/*<index event latch interrupt enable                  */
	QEINT_Sel=((uint16)1U << 9U),										/*<strobe event latch interrupt enable                 */
	QEINT_Pcm=((uint16)1U << 8U),										/*<position compare match interrupt enable             */
	QEINT_Pcr=((uint16)1U << 7U),										/*<position compare ready interrupt enable             */
	QEINT_Pco=((uint16)1U << 6U),										/*<position compare overflow interrupt enable          */
	QEINT_Pcu=((uint16)1U << 5U),										/*<position compare underflow interrupt enable         */
	QEINT_Wto=((uint16)1U << 4U),										/*<position compare watchdog time out interrupt enable */
	QEINT_Qdc=((uint16)1U << 3U),										/*<quadrature direction change interrupt enable        */
	QEINT_Qpe=((uint16)1U << 2U),										/*<quadrature phase error interrupt enable             */
	QEINT_Pce=((uint16)1U << 1U)										/*<position counter interrupt enable                   */
} QEINT_t;                                                                                                             
            
/* Configuration registers */
typedef struct eqep_config_reg
{
    uint32 CONFIG_QPOSINIT;
    uint32 CONFIG_QPOSMAX;
    uint32 CONFIG_QPOSCMP;
    uint32 CONFIG_QUPRD;
    uint16 CONFIG_QWDPRD;
    uint16 CONFIG_QDECCTL;
    uint16 CONFIG_QEPCTL;
    uint16 CONFIG_QCAPCTL;
    uint16 CONFIG_QPOSCTL;	
	uint16 CONFIG_QEINT;
} eqep_config_reg_t;		

								   
/**
 *  @defgroup eQEP eQEP
 *  @brief Enhanced QEP Module.
 *  
 *  The enhanced quadrature encoder pulse (eQEP) module is used for direct interface with a linear or rotary
 *  incremental encoder to get position, direction, and speed information from a rotating machine for use in a
 *  high-performance motion and position-control system. This microcontroller implements 2 instances of the
 *  eQEP module.
 *
 *	Related Files
 *   - reg_eqep.h
 *   - eqep.h
 *   - eqep.c
 *  @addtogroup eQEP
 *  @{
 */

/***************************************************************************
*the function prototypes
*/

void QEPInit(void);


void eqepClearAllInterruptFlags (eqepBASE_t *eqep);


void eqepClearInterruptFlag (eqepBASE_t *eqep, QEINT_t QEINT_type);


void eqepClearPosnCounter (eqepBASE_t *eqep);


void eqepDisableAllInterrupts (eqepBASE_t *eqep);

void eqepDisableCapture (eqepBASE_t *eqep);


void eqepDisableGateIndex (eqepBASE_t *eqep);

void eqepDisableInterrupt (eqepBASE_t *eqep, QEINT_t QEINT_type);

void eqepDisablePosnCompare (eqepBASE_t *eqep);

void eqepDisablePosnCompareShadow (eqepBASE_t *eqep);


void eqepDisableSyncOut (eqepBASE_t *eqep);

void eqepDisableUnitTimer (eqepBASE_t *eqep);

void eqepDisableWatchdog (eqepBASE_t *eqep);

void eqepEnableCapture (eqepBASE_t *eqep);

void eqepEnableCounter (eqepBASE_t *eqep);

void eqepEnableGateIndex (eqepBASE_t *eqep);

void eqepEnableInterrupt (eqepBASE_t *eqep, QEINT_t QEINT_type);

void eqepEnablePosnCompare (eqepBASE_t *eqep);

void eqepEnablePosnCompareShadow (eqepBASE_t *eqep);

void eqepEnableSyncOut (eqepBASE_t *eqep);

void eqepEnableUnitTimer (eqepBASE_t *eqep);

void eqepEnableWatchdog (eqepBASE_t *eqep);

void eqepForceInterrupt (eqepBASE_t *eqep, QEINT_t QEINT_type);

uint16 eqepReadCapturePeriodLatch (eqepBASE_t *eqep);

uint16 eqepReadCaptureTimerLatch (eqepBASE_t *eqep);

uint16 eqepReadInterruptFlag (eqepBASE_t *eqep, QEINT_t QEINT_type);

uint32 eqepReadPosnCompare (eqepBASE_t *eqep);

uint32 eqepReadPosnCount (eqepBASE_t *eqep);

uint32 eqepReadPosnIndexLatch (eqepBASE_t *eqep);

uint32 eqepReadPosnLatch (eqepBASE_t *eqep);

uint32 eqepReadPosnStrobeLatch (eqepBASE_t *eqep);

uint16 eqepReadStatus (eqepBASE_t *eqep);

void eqepResetCounter (eqepBASE_t *eqep);

void eqepSetCaptureLatchMode (eqepBASE_t *eqep, QEPCTL_Qclm_t QEPCTL_Qclm);

void eqepSetCapturePeriod (eqepBASE_t *eqep, uint16 period);

void eqepSetCapturePrescale (eqepBASE_t *eqep, QCAPCTL_Ccps_t QCAPCTL_Ccps);

void eqepSetEmuControl (eqepBASE_t *eqep, QEPCTL_Freesoft_t QEPCTL_Freesoft);

void eqepSetExtClockRate (eqepBASE_t *eqep, eQEP_Xcr_t eQEP_Xcr);

void eqepSetIndexEventInit (eqepBASE_t *eqep, QEPCTL_Iei_t QEPCTL_Iei);

void eqepSetIndexEventLatch (eqepBASE_t *eqep, QEPCTL_Iel_t QEPCTL_Iel);

void eqepSetIndexPolarity (eqepBASE_t *eqep, eQEP_Qip_t eQEP_Qip);

void eqepSetMaxPosnCount (eqepBASE_t *eqep, uint32 max_count);

void eqepSetPosnComparePulseWidth (eqepBASE_t *eqep, uint16 pulse_width);

void eqepSetPosnCompareShadowLoad (eqepBASE_t *eqep, QPOSCTL_Pcload_t QPOSCTL_Pcload);

void eqepSetPosnCountResetMode (eqepBASE_t *eqep, QEPCTL_Pcrm_t QEPCTL_Pcrm);

void eqepSetPosnInitCount (eqepBASE_t *eqep, uint32 init_count);

void eqepSetSelectSyncPin (eqepBASE_t *eqep, eQEP_Spsel_t eQEP_SPsel);

void eqepSetSoftInit (eqepBASE_t *eqep, QEPCTL_Swi_t QEPCTL_Swi);

void eqepSetStrobeEventInit (eqepBASE_t *eqep, QEPCTL_Sei_t QEPCTL_Sei);

void eqepSetStrobeEventLatch (eqepBASE_t *eqep, QEPCTL_Sel_t QEPCTL_Sel);

void eqepSetStrobePolarity (eqepBASE_t *eqep, eQEP_Qsp_t eQEP_Qsp);

void eqepSetSwapQuadInputs (eqepBASE_t *eqep, eQEP_Swap_t eQEP_Swap);

void eqepSetSynchOutputComparePolarity (eqepBASE_t *eqep, QPOSCTL_Pcpol_t QPOSCTL_Pcpol);

void eqepSetUnitPeriod (eqepBASE_t *eqep, uint32 unit_period);

void eqepSetUnitPosnPrescale (eqepBASE_t *eqep, QCAPCTL_Upps_t QCAPCTL_Upps);

void eqepSetWatchdogPeriod (eqepBASE_t *eqep, uint16 watchdog_period);

void eqepSetupStrobeEventLatch (eqepBASE_t *eqep, QEPCTL_Sel_t QEPCTL_Sel);

void eqepSetAPolarity (eqepBASE_t *eqep, eQEP_Qap_t eQEP_Qap);

void eqepSetBPolarity (eqepBASE_t *eqep, eQEP_Qbp_t eQEP_Qbp);

void eqepSetQEPSource (eqepBASE_t *eqep, eQEP_Qsrc_t eQEP_Qsrc);

void eqepWritePosnCompare (eqepBASE_t *eqep, uint32 posn);

/** @brief Interrupt callback
*   @param[in] eqep		Handle to QEP object
*   @param[in] flags			Copy of  interrupt flags
*/
void 	eqepNotification(eqepBASE_t *eqep,uint16 flags);


/**@}*/
#ifdef __cplusplus
}
#endif /*extern "C" */



#endif /*end of _eQEP_H_ definition */
