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Diff: libs/LPC17xx/LPC17xxLib/inc/lpc17xx_qei.h
- Revision:
- 3:f151d08d335c
- Parent:
- 2:1df0b61d3b5a
--- a/libs/LPC17xx/LPC17xxLib/inc/lpc17xx_qei.h Fri Feb 28 18:52:52 2014 -0800 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,418 +0,0 @@ -/********************************************************************** -* $Id$ lpc17xx_qei.h 2010-05-21 -*//** -* @file lpc17xx_qei.h -* @brief Contains all macro definitions and function prototypes -* support for QEI firmware library on LPC17xx -* @version 2.0 -* @date 21. May. 2010 -* @author NXP MCU SW Application Team -* -* Copyright(C) 2010, NXP Semiconductor -* All rights reserved. -* -*********************************************************************** -* Software that is described herein is for illustrative purposes only -* which provides customers with programming information regarding the -* products. This software is supplied "AS IS" without any warranties. -* NXP Semiconductors assumes no responsibility or liability for the -* use of the software, conveys no license or title under any patent, -* copyright, or mask work right to the product. NXP Semiconductors -* reserves the right to make changes in the software without -* notification. NXP Semiconductors also make no representation or -* warranty that such application will be suitable for the specified -* use without further testing or modification. -**********************************************************************/ - -/* Peripheral group ----------------------------------------------------------- */ -/** @defgroup QEI QEI (Quadrature Encoder Interface) - * @ingroup LPC1700CMSIS_FwLib_Drivers - * @{ - */ - -#ifndef LPC17XX_QEI_H_ -#define LPC17XX_QEI_H_ - -/* Includes ------------------------------------------------------------------- */ -#include "LPC17xx.h" -#include "lpc_types.h" - - -#ifdef __cplusplus -extern "C" -{ -#endif - -/* Public Macros -------------------------------------------------------------- */ -/** @defgroup QEI_Public_Macros QEI Public Macros - * @{ - */ - -/* QEI Reset types */ -#define QEI_RESET_POS QEI_CON_RESP /**< Reset position counter */ -#define QEI_RESET_POSOnIDX QEI_CON_RESPI /**< Reset Posistion Counter on Index */ -#define QEI_RESET_VEL QEI_CON_RESV /**< Reset Velocity */ -#define QEI_RESET_IDX QEI_CON_RESI /**< Reset Index Counter */ - -/* QEI Direction Invert Type Option */ -#define QEI_DIRINV_NONE ((uint32_t)(0)) /**< Direction is not inverted */ -#define QEI_DIRINV_CMPL ((uint32_t)(1)) /**< Direction is complemented */ - -/* QEI Signal Mode Option */ -#define QEI_SIGNALMODE_QUAD ((uint32_t)(0)) /**< Signal operation: Quadrature phase mode */ -#define QEI_SIGNALMODE_CLKDIR ((uint32_t)(1)) /**< Signal operation: Clock/Direction mode */ - -/* QEI Capture Mode Option */ -#define QEI_CAPMODE_2X ((uint32_t)(0)) /**< Capture mode: Only Phase-A edges are counted (2X) */ -#define QEI_CAPMODE_4X ((uint32_t)(1)) /**< Capture mode: BOTH PhA and PhB edges are counted (4X)*/ - -/* QEI Invert Index Signal Option */ -#define QEI_INVINX_NONE ((uint32_t)(0)) /**< Invert Index signal option: None */ -#define QEI_INVINX_EN ((uint32_t)(1)) /**< Invert Index signal option: Enable */ - -/* QEI timer reload option */ -#define QEI_TIMERRELOAD_TICKVAL ((uint8_t)(0)) /**< Reload value in absolute value */ -#define QEI_TIMERRELOAD_USVAL ((uint8_t)(1)) /**< Reload value in microsecond value */ - -/* QEI Flag Status type */ -#define QEI_STATUS_DIR ((uint32_t)(1<<0)) /**< Direction status */ - -/* QEI Compare Position channel option */ -#define QEI_COMPPOS_CH_0 ((uint8_t)(0)) /**< QEI compare position channel 0 */ -#define QEI_COMPPOS_CH_1 ((uint8_t)(1)) /**< QEI compare position channel 1 */ -#define QEI_COMPPOS_CH_2 ((uint8_t)(2)) /**< QEI compare position channel 2 */ - -/* QEI interrupt flag type */ -#define QEI_INTFLAG_INX_Int ((uint32_t)(1<<0)) /**< index pulse was detected interrupt */ -#define QEI_INTFLAG_TIM_Int ((uint32_t)(1<<1)) /**< Velocity timer over flow interrupt */ -#define QEI_INTFLAG_VELC_Int ((uint32_t)(1<<2)) /**< Capture velocity is less than compare interrupt */ -#define QEI_INTFLAG_DIR_Int ((uint32_t)(1<<3)) /**< Change of direction interrupt */ -#define QEI_INTFLAG_ERR_Int ((uint32_t)(1<<4)) /**< An encoder phase error interrupt */ -#define QEI_INTFLAG_ENCLK_Int ((uint32_t)(1<<5)) /**< An encoder clock pulse was detected interrupt */ -#define QEI_INTFLAG_POS0_Int ((uint32_t)(1<<6)) /**< position 0 compare value is equal to the - current position interrupt */ -#define QEI_INTFLAG_POS1_Int ((uint32_t)(1<<7)) /**< position 1 compare value is equal to the - current position interrupt */ -#define QEI_INTFLAG_POS2_Int ((uint32_t)(1<<8)) /**< position 2 compare value is equal to the - current position interrupt */ -#define QEI_INTFLAG_REV_Int ((uint32_t)(1<<9)) /**< Index compare value is equal to the current - index count interrupt */ -#define QEI_INTFLAG_POS0REV_Int ((uint32_t)(1<<10)) /**< Combined position 0 and revolution count interrupt */ -#define QEI_INTFLAG_POS1REV_Int ((uint32_t)(1<<11)) /**< Combined position 1 and revolution count interrupt */ -#define QEI_INTFLAG_POS2REV_Int ((uint32_t)(1<<12)) /**< Combined position 2 and revolution count interrupt */ - -/** - * @} - */ - - -/* Private Macros ------------------------------------------------------------- */ -/** @defgroup QEI_Private_Macros QEI Private Macros - * @{ - */ - -/* --------------------- BIT DEFINITIONS -------------------------------------- */ -/* Quadrature Encoder Interface Control Register Definition --------------------- */ -/*********************************************************************//** - * Macro defines for QEI Control register - **********************************************************************/ -#define QEI_CON_RESP ((uint32_t)(1<<0)) /**< Reset position counter */ -#define QEI_CON_RESPI ((uint32_t)(1<<1)) /**< Reset Posistion Counter on Index */ -#define QEI_CON_RESV ((uint32_t)(1<<2)) /**< Reset Velocity */ -#define QEI_CON_RESI ((uint32_t)(1<<3)) /**< Reset Index Counter */ -#define QEI_CON_BITMASK ((uint32_t)(0x0F)) /**< QEI Control register bit-mask */ - -/*********************************************************************//** - * Macro defines for QEI Configuration register - **********************************************************************/ -#define QEI_CONF_DIRINV ((uint32_t)(1<<0)) /**< Direction Invert */ -#define QEI_CONF_SIGMODE ((uint32_t)(1<<1)) /**< Signal mode */ -#define QEI_CONF_CAPMODE ((uint32_t)(1<<2)) /**< Capture mode */ -#define QEI_CONF_INVINX ((uint32_t)(1<<3)) /**< Invert index */ -#define QEI_CONF_BITMASK ((uint32_t)(0x0F)) /**< QEI Configuration register bit-mask */ - -/*********************************************************************//** - * Macro defines for QEI Status register - **********************************************************************/ -#define QEI_STAT_DIR ((uint32_t)(1<<0)) /**< Direction bit */ -#define QEI_STAT_BITMASK ((uint32_t)(1<<0)) /**< QEI status register bit-mask */ - -/* Quadrature Encoder Interface Interrupt registers definitions --------------------- */ -/*********************************************************************//** - * Macro defines for QEI Interrupt Status register - **********************************************************************/ -#define QEI_INTSTAT_INX_Int ((uint32_t)(1<<0)) /**< Indicates that an index pulse was detected */ -#define QEI_INTSTAT_TIM_Int ((uint32_t)(1<<1)) /**< Indicates that a velocity timer overflow occurred */ -#define QEI_INTSTAT_VELC_Int ((uint32_t)(1<<2)) /**< Indicates that capture velocity is less than compare velocity */ -#define QEI_INTSTAT_DIR_Int ((uint32_t)(1<<3)) /**< Indicates that a change of direction was detected */ -#define QEI_INTSTAT_ERR_Int ((uint32_t)(1<<4)) /**< Indicates that an encoder phase error was detected */ -#define QEI_INTSTAT_ENCLK_Int ((uint32_t)(1<<5)) /**< Indicates that and encoder clock pulse was detected */ -#define QEI_INTSTAT_POS0_Int ((uint32_t)(1<<6)) /**< Indicates that the position 0 compare value is equal to the - current position */ -#define QEI_INTSTAT_POS1_Int ((uint32_t)(1<<7)) /**< Indicates that the position 1compare value is equal to the - current position */ -#define QEI_INTSTAT_POS2_Int ((uint32_t)(1<<8)) /**< Indicates that the position 2 compare value is equal to the - current position */ -#define QEI_INTSTAT_REV_Int ((uint32_t)(1<<9)) /**< Indicates that the index compare value is equal to the current - index count */ -#define QEI_INTSTAT_POS0REV_Int ((uint32_t)(1<<10)) /**< Combined position 0 and revolution count interrupt. Set when - both the POS0_Int bit is set and the REV_Int is set */ -#define QEI_INTSTAT_POS1REV_Int ((uint32_t)(1<<11)) /**< Combined position 1 and revolution count interrupt. Set when - both the POS1_Int bit is set and the REV_Int is set */ -#define QEI_INTSTAT_POS2REV_Int ((uint32_t)(1<<12)) /**< Combined position 2 and revolution count interrupt. Set when - both the POS2_Int bit is set and the REV_Int is set */ -#define QEI_INTSTAT_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Status register bit-mask */ - -/*********************************************************************//** - * Macro defines for QEI Interrupt Set register - **********************************************************************/ -#define QEI_INTSET_INX_Int ((uint32_t)(1<<0)) /**< Set Bit Indicates that an index pulse was detected */ -#define QEI_INTSET_TIM_Int ((uint32_t)(1<<1)) /**< Set Bit Indicates that a velocity timer overflow occurred */ -#define QEI_INTSET_VELC_Int ((uint32_t)(1<<2)) /**< Set Bit Indicates that capture velocity is less than compare velocity */ -#define QEI_INTSET_DIR_Int ((uint32_t)(1<<3)) /**< Set Bit Indicates that a change of direction was detected */ -#define QEI_INTSET_ERR_Int ((uint32_t)(1<<4)) /**< Set Bit Indicates that an encoder phase error was detected */ -#define QEI_INTSET_ENCLK_Int ((uint32_t)(1<<5)) /**< Set Bit Indicates that and encoder clock pulse was detected */ -#define QEI_INTSET_POS0_Int ((uint32_t)(1<<6)) /**< Set Bit Indicates that the position 0 compare value is equal to the - current position */ -#define QEI_INTSET_POS1_Int ((uint32_t)(1<<7)) /**< Set Bit Indicates that the position 1compare value is equal to the - current position */ -#define QEI_INTSET_POS2_Int ((uint32_t)(1<<8)) /**< Set Bit Indicates that the position 2 compare value is equal to the - current position */ -#define QEI_INTSET_REV_Int ((uint32_t)(1<<9)) /**< Set Bit Indicates that the index compare value is equal to the current - index count */ -#define QEI_INTSET_POS0REV_Int ((uint32_t)(1<<10)) /**< Set Bit that combined position 0 and revolution count interrupt */ -#define QEI_INTSET_POS1REV_Int ((uint32_t)(1<<11)) /**< Set Bit that Combined position 1 and revolution count interrupt */ -#define QEI_INTSET_POS2REV_Int ((uint32_t)(1<<12)) /**< Set Bit that Combined position 2 and revolution count interrupt */ -#define QEI_INTSET_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Set register bit-mask */ - -/*********************************************************************//** - * Macro defines for QEI Interrupt Clear register - **********************************************************************/ -#define QEI_INTCLR_INX_Int ((uint32_t)(1<<0)) /**< Clear Bit Indicates that an index pulse was detected */ -#define QEI_INTCLR_TIM_Int ((uint32_t)(1<<1)) /**< Clear Bit Indicates that a velocity timer overflow occurred */ -#define QEI_INTCLR_VELC_Int ((uint32_t)(1<<2)) /**< Clear Bit Indicates that capture velocity is less than compare velocity */ -#define QEI_INTCLR_DIR_Int ((uint32_t)(1<<3)) /**< Clear Bit Indicates that a change of direction was detected */ -#define QEI_INTCLR_ERR_Int ((uint32_t)(1<<4)) /**< Clear Bit Indicates that an encoder phase error was detected */ -#define QEI_INTCLR_ENCLK_Int ((uint32_t)(1<<5)) /**< Clear Bit Indicates that and encoder clock pulse was detected */ -#define QEI_INTCLR_POS0_Int ((uint32_t)(1<<6)) /**< Clear Bit Indicates that the position 0 compare value is equal to the - current position */ -#define QEI_INTCLR_POS1_Int ((uint32_t)(1<<7)) /**< Clear Bit Indicates that the position 1compare value is equal to the - current position */ -#define QEI_INTCLR_POS2_Int ((uint32_t)(1<<8)) /**< Clear Bit Indicates that the position 2 compare value is equal to the - current position */ -#define QEI_INTCLR_REV_Int ((uint32_t)(1<<9)) /**< Clear Bit Indicates that the index compare value is equal to the current - index count */ -#define QEI_INTCLR_POS0REV_Int ((uint32_t)(1<<10)) /**< Clear Bit that combined position 0 and revolution count interrupt */ -#define QEI_INTCLR_POS1REV_Int ((uint32_t)(1<<11)) /**< Clear Bit that Combined position 1 and revolution count interrupt */ -#define QEI_INTCLR_POS2REV_Int ((uint32_t)(1<<12)) /**< Clear Bit that Combined position 2 and revolution count interrupt */ -#define QEI_INTCLR_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Clear register bit-mask */ - -/*********************************************************************//** - * Macro defines for QEI Interrupt Enable register - **********************************************************************/ -#define QEI_INTEN_INX_Int ((uint32_t)(1<<0)) /**< Enabled Interrupt Bit Indicates that an index pulse was detected */ -#define QEI_INTEN_TIM_Int ((uint32_t)(1<<1)) /**< Enabled Interrupt Bit Indicates that a velocity timer overflow occurred */ -#define QEI_INTEN_VELC_Int ((uint32_t)(1<<2)) /**< Enabled Interrupt Bit Indicates that capture velocity is less than compare velocity */ -#define QEI_INTEN_DIR_Int ((uint32_t)(1<<3)) /**< Enabled Interrupt Bit Indicates that a change of direction was detected */ -#define QEI_INTEN_ERR_Int ((uint32_t)(1<<4)) /**< Enabled Interrupt Bit Indicates that an encoder phase error was detected */ -#define QEI_INTEN_ENCLK_Int ((uint32_t)(1<<5)) /**< Enabled Interrupt Bit Indicates that and encoder clock pulse was detected */ -#define QEI_INTEN_POS0_Int ((uint32_t)(1<<6)) /**< Enabled Interrupt Bit Indicates that the position 0 compare value is equal to the - current position */ -#define QEI_INTEN_POS1_Int ((uint32_t)(1<<7)) /**< Enabled Interrupt Bit Indicates that the position 1compare value is equal to the - current position */ -#define QEI_INTEN_POS2_Int ((uint32_t)(1<<8)) /**< Enabled Interrupt Bit Indicates that the position 2 compare value is equal to the - current position */ -#define QEI_INTEN_REV_Int ((uint32_t)(1<<9)) /**< Enabled Interrupt Bit Indicates that the index compare value is equal to the current - index count */ -#define QEI_INTEN_POS0REV_Int ((uint32_t)(1<<10)) /**< Enabled Interrupt Bit that combined position 0 and revolution count interrupt */ -#define QEI_INTEN_POS1REV_Int ((uint32_t)(1<<11)) /**< Enabled Interrupt Bit that Combined position 1 and revolution count interrupt */ -#define QEI_INTEN_POS2REV_Int ((uint32_t)(1<<12)) /**< Enabled Interrupt Bit that Combined position 2 and revolution count interrupt */ -#define QEI_INTEN_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Enable register bit-mask */ - -/*********************************************************************//** - * Macro defines for QEI Interrupt Enable Set register - **********************************************************************/ -#define QEI_IESET_INX_Int ((uint32_t)(1<<0)) /**< Set Enable Interrupt Bit Indicates that an index pulse was detected */ -#define QEI_IESET_TIM_Int ((uint32_t)(1<<1)) /**< Set Enable Interrupt Bit Indicates that a velocity timer overflow occurred */ -#define QEI_IESET_VELC_Int ((uint32_t)(1<<2)) /**< Set Enable Interrupt Bit Indicates that capture velocity is less than compare velocity */ -#define QEI_IESET_DIR_Int ((uint32_t)(1<<3)) /**< Set Enable Interrupt Bit Indicates that a change of direction was detected */ -#define QEI_IESET_ERR_Int ((uint32_t)(1<<4)) /**< Set Enable Interrupt Bit Indicates that an encoder phase error was detected */ -#define QEI_IESET_ENCLK_Int ((uint32_t)(1<<5)) /**< Set Enable Interrupt Bit Indicates that and encoder clock pulse was detected */ -#define QEI_IESET_POS0_Int ((uint32_t)(1<<6)) /**< Set Enable Interrupt Bit Indicates that the position 0 compare value is equal to the - current position */ -#define QEI_IESET_POS1_Int ((uint32_t)(1<<7)) /**< Set Enable Interrupt Bit Indicates that the position 1compare value is equal to the - current position */ -#define QEI_IESET_POS2_Int ((uint32_t)(1<<8)) /**< Set Enable Interrupt Bit Indicates that the position 2 compare value is equal to the - current position */ -#define QEI_IESET_REV_Int ((uint32_t)(1<<9)) /**< Set Enable Interrupt Bit Indicates that the index compare value is equal to the current - index count */ -#define QEI_IESET_POS0REV_Int ((uint32_t)(1<<10)) /**< Set Enable Interrupt Bit that combined position 0 and revolution count interrupt */ -#define QEI_IESET_POS1REV_Int ((uint32_t)(1<<11)) /**< Set Enable Interrupt Bit that Combined position 1 and revolution count interrupt */ -#define QEI_IESET_POS2REV_Int ((uint32_t)(1<<12)) /**< Set Enable Interrupt Bit that Combined position 2 and revolution count interrupt */ -#define QEI_IESET_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Enable Set register bit-mask */ - -/*********************************************************************//** - * Macro defines for QEI Interrupt Enable Clear register - **********************************************************************/ -#define QEI_IECLR_INX_Int ((uint32_t)(1<<0)) /**< Clear Enabled Interrupt Bit Indicates that an index pulse was detected */ -#define QEI_IECLR_TIM_Int ((uint32_t)(1<<1)) /**< Clear Enabled Interrupt Bit Indicates that a velocity timer overflow occurred */ -#define QEI_IECLR_VELC_Int ((uint32_t)(1<<2)) /**< Clear Enabled Interrupt Bit Indicates that capture velocity is less than compare velocity */ -#define QEI_IECLR_DIR_Int ((uint32_t)(1<<3)) /**< Clear Enabled Interrupt Bit Indicates that a change of direction was detected */ -#define QEI_IECLR_ERR_Int ((uint32_t)(1<<4)) /**< Clear Enabled Interrupt Bit Indicates that an encoder phase error was detected */ -#define QEI_IECLR_ENCLK_Int ((uint32_t)(1<<5)) /**< Clear Enabled Interrupt Bit Indicates that and encoder clock pulse was detected */ -#define QEI_IECLR_POS0_Int ((uint32_t)(1<<6)) /**< Clear Enabled Interrupt Bit Indicates that the position 0 compare value is equal to the - current position */ -#define QEI_IECLR_POS1_Int ((uint32_t)(1<<7)) /**< Clear Enabled Interrupt Bit Indicates that the position 1compare value is equal to the - current position */ -#define QEI_IECLR_POS2_Int ((uint32_t)(1<<8)) /**< Clear Enabled Interrupt Bit Indicates that the position 2 compare value is equal to the - current position */ -#define QEI_IECLR_REV_Int ((uint32_t)(1<<9)) /**< Clear Enabled Interrupt Bit Indicates that the index compare value is equal to the current - index count */ -#define QEI_IECLR_POS0REV_Int ((uint32_t)(1<<10)) /**< Clear Enabled Interrupt Bit that combined position 0 and revolution count interrupt */ -#define QEI_IECLR_POS1REV_Int ((uint32_t)(1<<11)) /**< Clear Enabled Interrupt Bit that Combined position 1 and revolution count interrupt */ -#define QEI_IECLR_POS2REV_Int ((uint32_t)(1<<12)) /**< Clear Enabled Interrupt Bit that Combined position 2 and revolution count interrupt */ -#define QEI_IECLR_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Enable Clear register bit-mask */ - - -/* ---------------- CHECK PARAMETER DEFINITIONS ---------------------------- */ -/* Macro check QEI peripheral */ -#define PARAM_QEIx(n) ((n==LPC_QEI)) - -/* Macro check QEI reset type */ -#define PARAM_QEI_RESET(n) ((n==QEI_CON_RESP) \ -|| (n==QEI_RESET_POSOnIDX) \ -|| (n==QEI_RESET_VEL) \ -|| (n==QEI_RESET_IDX)) - -/* Macro check QEI Direction invert mode */ -#define PARAM_QEI_DIRINV(n) ((n==QEI_DIRINV_NONE) || (n==QEI_DIRINV_CMPL)) - -/* Macro check QEI signal mode */ -#define PARAM_QEI_SIGNALMODE(n) ((n==QEI_SIGNALMODE_QUAD) || (n==QEI_SIGNALMODE_CLKDIR)) - -/* Macro check QEI Capture mode */ -#define PARAM_QEI_CAPMODE(n) ((n==QEI_CAPMODE_2X) || (n==QEI_CAPMODE_4X)) - -/* Macro check QEI Invert index mode */ -#define PARAM_QEI_INVINX(n) ((n==QEI_INVINX_NONE) || (n==QEI_INVINX_EN)) - -/* Macro check QEI Direction invert mode */ -#define PARAM_QEI_TIMERRELOAD(n) ((n==QEI_TIMERRELOAD_TICKVAL) || (n==QEI_TIMERRELOAD_USVAL)) - -/* Macro check QEI status type */ -#define PARAM_QEI_STATUS(n) ((n==QEI_STATUS_DIR)) - -/* Macro check QEI combine position type */ -#define PARAM_QEI_COMPPOS_CH(n) ((n==QEI_COMPPOS_CH_0) || (n==QEI_COMPPOS_CH_1) || (n==QEI_COMPPOS_CH_2)) - -/* Macro check QEI interrupt flag type */ -#define PARAM_QEI_INTFLAG(n) ((n==QEI_INTFLAG_INX_Int) \ -|| (n==QEI_INTFLAG_TIM_Int) \ -|| (n==QEI_INTFLAG_VELC_Int) \ -|| (n==QEI_INTFLAG_DIR_Int) \ -|| (n==QEI_INTFLAG_ERR_Int) \ -|| (n==QEI_INTFLAG_ENCLK_Int) \ -|| (n==QEI_INTFLAG_POS0_Int) \ -|| (n==QEI_INTFLAG_POS1_Int) \ -|| (n==QEI_INTFLAG_POS2_Int) \ -|| (n==QEI_INTFLAG_REV_Int) \ -|| (n==QEI_INTFLAG_POS0REV_Int) \ -|| (n==QEI_INTFLAG_POS1REV_Int) \ -|| (n==QEI_INTFLAG_POS2REV_Int)) -/** - * @} - */ - -/* Public Types --------------------------------------------------------------- */ -/** @defgroup QEI_Public_Types QEI Public Types - * @{ - */ - -/** - * @brief QEI Configuration structure type definition - */ -typedef struct { - uint32_t DirectionInvert :1; /**< Direction invert option: - - QEI_DIRINV_NONE: QEI Direction is normal - - QEI_DIRINV_CMPL: QEI Direction is complemented - */ - uint32_t SignalMode :1; /**< Signal mode Option: - - QEI_SIGNALMODE_QUAD: Signal is in Quadrature phase mode - - QEI_SIGNALMODE_CLKDIR: Signal is in Clock/Direction mode - */ - uint32_t CaptureMode :1; /**< Capture Mode Option: - - QEI_CAPMODE_2X: Only Phase-A edges are counted (2X) - - QEI_CAPMODE_4X: BOTH Phase-A and Phase-B edges are counted (4X) - */ - uint32_t InvertIndex :1; /**< Invert Index Option: - - QEI_INVINX_NONE: the sense of the index input is normal - - QEI_INVINX_EN: inverts the sense of the index input - */ -} QEI_CFG_Type; - -/** - * @brief Timer Reload Configuration structure type definition - */ -typedef struct { - - uint8_t ReloadOption; /**< Velocity Timer Reload Option, should be: - - QEI_TIMERRELOAD_TICKVAL: Reload value in absolute value - - QEI_TIMERRELOAD_USVAL: Reload value in microsecond value - */ - uint8_t Reserved[3]; - uint32_t ReloadValue; /**< Velocity Timer Reload Value, 32-bit long, should be matched - with Velocity Timer Reload Option - */ -} QEI_RELOADCFG_Type; - -/** - * @} - */ - - - - - -/* Public Functions ----------------------------------------------------------- */ -/** @defgroup QEI_Public_Functions QEI Public Functions - * @{ - */ - -void QEI_Reset(LPC_QEI_TypeDef *QEIx, uint32_t ulResetType); -void QEI_Init(LPC_QEI_TypeDef *QEIx, QEI_CFG_Type *QEI_ConfigStruct); -void QEI_ConfigStructInit(QEI_CFG_Type *QIE_InitStruct); -void QEI_DeInit(LPC_QEI_TypeDef *QEIx); -FlagStatus QEI_GetStatus(LPC_QEI_TypeDef *QEIx, uint32_t ulFlagType); -uint32_t QEI_GetPosition(LPC_QEI_TypeDef *QEIx); -void QEI_SetMaxPosition(LPC_QEI_TypeDef *QEIx, uint32_t ulMaxPos); -void QEI_SetPositionComp(LPC_QEI_TypeDef *QEIx, uint8_t bPosCompCh, uint32_t ulPosComp); -uint32_t QEI_GetIndex(LPC_QEI_TypeDef *QEIx); -void QEI_SetIndexComp(LPC_QEI_TypeDef *QEIx, uint32_t ulIndexComp); -void QEI_SetTimerReload(LPC_QEI_TypeDef *QEIx, QEI_RELOADCFG_Type *QEIReloadStruct); -uint32_t QEI_GetTimer(LPC_QEI_TypeDef *QEIx); -uint32_t QEI_GetVelocity(LPC_QEI_TypeDef *QEIx); -uint32_t QEI_GetVelocityCap(LPC_QEI_TypeDef *QEIx); -void QEI_SetVelocityComp(LPC_QEI_TypeDef *QEIx, uint32_t ulVelComp); -void QEI_SetDigiFilter(LPC_QEI_TypeDef *QEIx, uint32_t ulSamplingPulse); -FlagStatus QEI_GetIntStatus(LPC_QEI_TypeDef *QEIx, uint32_t ulIntType); -void QEI_IntCmd(LPC_QEI_TypeDef *QEIx, uint32_t ulIntType, FunctionalState NewState); -void QEI_IntSet(LPC_QEI_TypeDef *QEIx, uint32_t ulIntType); -void QEI_IntClear(LPC_QEI_TypeDef *QEIx, uint32_t ulIntType); -uint32_t QEI_CalculateRPM(LPC_QEI_TypeDef *QEIx, uint32_t ulVelCapValue, uint32_t ulPPR); - - -/** - * @} - */ - -#ifdef __cplusplus -} -#endif - -#endif /* LPC17XX_QEI_H_ */ - -/** - * @} - */ - -/* --------------------------------- End Of File ------------------------------ */