Department of Electrical Eng University of Moratuwa
/
Vibration_Analysis_Force_Control
Force controlled vibration analysis
QEI_hw/qeihw.h
- Committer:
- eembed
- Date:
- 2019-12-03
- Revision:
- 5:9ab19c63203e
- Parent:
- 0:5459cdde6298
File content as of revision 5:9ab19c63203e:
/* mbed Library - QEIhw * Copyright (c) 2010, hball * released under MIT license http://mbed.org/licence/mit */ /***********************************************************************//** * @file qeihw.h * @brief Header file for the qeihw driver. Adapted from the CMSIS * header, lpc17xx_qei.h, v 2.0 * @version 0.0 * @date 10 Dec 2010 * @author hb **************************************************************************/ #ifndef MBED_QEIHW_H #define MBED_QEIHW_H /* Includes ------------------------------------------------------------------- */ #include "mbed.h" /* Public Types --------------------------------------------------------------- */ /* Flag Status type definition */ typedef enum {RESET = 0, SET = !RESET} FlagStatus, IntStatus, SetState; /* Functional State Definition */ typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState; /* Other definitions */ #define XTAL_FREQ 12000000 /* Public Functions ----------------------------------------------------------- */ /** @defgroup QEI_Public_Functions QEI Public Functions */ /** QEI hardware interface class * Requires mbed hardware modification: connect * encoder PhA to p1.20, and PhB to p1.23. * * Example: * @code * // Display changes in encoder position and direction #include "mbed.h" * #include "qeihw.h" * * DigitalOut led1(LED1); * DigitalOut led3(LED3); * QEIHW qei(QEI_DIRINV_NONE, QEI_SIGNALMODE_QUAD, QEI_CAPMODE_2X, QEI_INVINX_NONE ); * * int main() { * int32_t temp, position = 0; * qei.SetDigiFilter(480UL); * qei.SetMaxPosition(0xFFFFFFFF); * * while(1) { * while(position == (temp = qei.GetPosition()) ); * position = temp; * printf("New position = %d.\r\n", temp); * led1 = qei.Direction() == SET ? 1 : 0; * led3 = !led1; * wait(0.1); * } * } * @endcode */ class QEIHW { public: /** Create a QEI object and configure it * * @param _dirinv Direction invert. When = 1, complements the QEICONF register DIR bit * @param _sigmode Signal mode. When = 0, PhA and PhB are quadrature inputs. When = 1, PhA is direction and PhB is clock * @param _capmode Capture mode. When = 0, count PhA edges only (2X mode). Whe = 1, count PhB edges also (4X mode). * @param _invinx Invert index. When = 1, inverts the sense of the index signal */ QEIHW( uint32_t _dirinv, uint32_t _sigmode, uint32_t _capmode, uint32_t _invinx); /** Resets value for each type of QEI value, such as velocity, position, etc. * * @param[in] ulResetType QEI Reset Type, should be one of the following: * - QEI_RESET_POS: Reset Position Counter * - QEI_RESET_POSOnIDX: Reset Position Counter on Index signal * - QEI_RESET_VEL: Reset Velocity * - QEI_RESET_IDX: Reset Index Counter */ void Reset(uint32_t ulResetType); /** Powers down the QEI block, returns pins to GPIO mode * */ void DeInit(); /** Report direction (QEISTAT bit DIR) * * @return State of the DIR bit (SET or RESET) */ FlagStatus Direction(); /** * @brief Get current position value in QEI peripheral * * @return Current position value of QEI peripheral */ uint32_t GetPosition(); /** Set max position value for QEI peripheral * * @param[in] ulMaxPos Max position value to set * @return None */ void SetMaxPosition(uint32_t ulMaxPos); /** Set position compare value for QEI peripheral * @param[in] bPosCompCh Compare Position channel, should be: * - QEI_COMPPOS_CH_0: QEI compare position channel 0 * - QEI_COMPPOS_CH_1: QEI compare position channel 1 * - QEI_COMPPOS_CH_2: QEI compare position channel 2 * @param[in] ulPosComp Compare Position value to set * @return None */ void SetPositionComp( uint8_t bPosCompCh, uint32_t ulPosComp); /** Get current index counter of QEI peripheral * * @return Current value of QEI index counter */ uint32_t GetIndex(); /** Set value for index compare in QEI peripheral * @param[in] ulIndexComp Compare Index Value to set * @return None */ void SetIndexComp( uint32_t ulIndexComp); /** Set Velocity timer reload value * * @param[in] ulReloadValue Velocity timer reload count * @return None */ void SetVelocityTimerReload( uint32_t ulReloadValue); /** Set Velocity timer reload value in microseconds * * @param[in] ulReloadValue Velocity timer reload count * @return None */ void SetVelocityTimerReload_us( uint32_t ulReloadValue); /** Get current timer counter in QEI peripheral * * @return Current timer counter in QEI peripheral */ uint32_t GetTimer(); /** Get current velocity pulse counter in current time period * * @return Current velocity pulse counter value */ uint32_t GetVelocity(); /** Get the most recently measured velocity of the QEI. When * the Velocity timer in QEI is over-flow, the current velocity * value will be loaded into Velocity Capture register. * * @return The most recently measured velocity value */ uint32_t GetVelocityCap(); /** Set Velocity Compare value for QEI peripheral * * @param[in] ulVelComp Compare Velocity value to set * @return None */ void SetVelocityComp( uint32_t ulVelComp); /** Set value of sampling count for the digital filter in * QEI peripheral * * @param[in] ulSamplingPulse Value of sampling count to set * @return None */ void SetDigiFilter( uint32_t ulSamplingPulse); /** Check whether if specified interrupt flag status in QEI * peripheral is set or not * * @param[in] ulIntType Interrupt Flag Status type, should be: - QEI_INTFLAG_INX_Int: index pulse was detected interrupt - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt - QEI_INTFLAG_DIR_Int: Change of direction interrupt - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the current position interrupt - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the current position interrupt - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the current position interrupt - QEI_INTFLAG_REV_Int: Index compare value is equal to the current index count interrupt - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt * @return New State of specified interrupt flag status (SET or RESET) */ FlagStatus GetIntStatus( uint32_t ulIntType); /** Enable/Disable specified interrupt in QEI peripheral * * @param[in] ulIntType Interrupt Flag Status type, should be: * - QEI_INTFLAG_INX_Int: index pulse was detected interrupt * - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt * - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt * - QEI_INTFLAG_DIR_Int: Change of direction interrupt * - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt * - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt * - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the * current position interrupt * - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the * current position interrupt * - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the * current position interrupt * - QEI_INTFLAG_REV_Int: Index compare value is equal to the current * index count interrupt * - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt * - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt * - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt * @param[in] NewState New function state, should be: * - DISABLE * - ENABLE * @return None */ void IntCmd( uint32_t ulIntType, FunctionalState NewState); /** Asserts specified interrupt in QEI peripheral * * @param[in] ulIntType Interrupt Flag Status type, should be: - QEI_INTFLAG_INX_Int: index pulse was detected interrupt - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt - QEI_INTFLAG_DIR_Int: Change of direction interrupt - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the current position interrupt - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the current position interrupt - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the current position interrupt - QEI_INTFLAG_REV_Int: Index compare value is equal to the current index count interrupt - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt * @return None */ void IntSet( uint32_t ulIntType); /** De-asserts specified interrupt (pending) in QEI peripheral * * @param[in] ulIntType Interrupt Flag Status type, should be: - QEI_INTFLAG_INX_Int: index pulse was detected interrupt - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt - QEI_INTFLAG_DIR_Int: Change of direction interrupt - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the current position interrupt - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the current position interrupt - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the current position interrupt - QEI_INTFLAG_REV_Int: Index compare value is equal to the current index count interrupt - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt * @return None */ void IntClear( uint32_t ulIntType); /** Append interrupt handler for specific QEI interrupt source * * @param[in] ulISRType Interrupt Flag Status type, should be: * - QEI_INTFLAG_INX_Int: index pulse was detected interrupt * - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt * - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt * - QEI_INTFLAG_DIR_Int: Change of direction interrupt * - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt * - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt * - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the * current position interrupt * - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the * current position interrupt * - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the * current position interrupt * - QEI_INTFLAG_REV_Int: Index compare value is equal to the current * index count interrupt * - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt * - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt * - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt * * @return none */ void AppendISR(uint32_t ulISRType, void(*fptr)(void)); /** Unappend interrupt handler for specific QEI interrupt source * * @param[in] ulISRType Interrupt Flag Status type, should be: * - QEI_INTFLAG_INX_Int: index pulse was detected interrupt * - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt * - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt * - QEI_INTFLAG_DIR_Int: Change of direction interrupt * - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt * - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt * - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the * current position interrupt * - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the * current position interrupt * - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the * current position interrupt * - QEI_INTFLAG_REV_Int: Index compare value is equal to the current * index count interrupt * - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt * - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt * - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt * * @return none */ void UnAppendISR(uint32_t ulISRType); /** * @brief Calculates the actual velocity in RPM passed via velocity * capture value and Pulse Per Revolution (of the encoder) value * parameter input. * * @param[in] ulVelCapValue Velocity capture input value that can * be got from QEI_GetVelocityCap() function * @param[in] ulPPR Pulse per round of encoder * @return The actual value of velocity in RPM (Revolutions per minute) */ uint32_t CalculateRPM( uint32_t ulVelCapValue, uint32_t ulPPR); /* 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 */ /* QEI Process position reporting options */ #define QEI_PROCESS_OPERATE 0; #define QEI_PROCESS_RESET 1; #define QEI_PROCESS_INCREMENTAL 0; #define QEI_PROCESS_ACCUMULATE 1; #define QEI_PROCESS_LINEAR 0; #define QEI_PROCESS_WEIGHTED 1; private: static void _Qeiisr(void); void Qeiisr(void); static QEIHW *instance; void(*_qei_isr[13])(); /* 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 */ /*********************************************************************//** * Macro defines for PCONP register QEI-related bits **********************************************************************/ #define PCONP_QEI_ENABLE ((uint32_t)(1<<18)) /**< QEI peripheral power enable bit */ #define PCONP_QEI_DISABLE ~((uint32_t)(1<<18)) /**< QEI peripheral power disable bit-mask */ /*********************************************************************//** * Macro defines for PCLKSELx register QEI-related bits **********************************************************************/ #define PCLKSEL_CCLK_DIV_1 1UL /**< Set PCLK to CCLK/1 */ #define PCLKSEL_CCLK_DIV_2 2UL /**< Set PCLK to CCLK/2 */ #define PCLKSEL_CCLK_DIV_4 0UL /**< Set PCLK to CCLK/4 */ #define PCLKSEL_CCLK_DIV_8 3UL /**< Set PCLK to CCLK/8 */ #define PCLKSEL1_PCLK_QEI_MASK ((uint32_t)(3<<0)) /**< PCLK_QEI PCLK_QEI bit field mask */ /*********************************************************************//** * Macro defines for PINSEL3 register QEI-related bits **********************************************************************/ #define PINSEL3_MCI0 ((uint32_t)(1<<8)) /**< MCIO (PhA) pin select */ #define PINSEL3_MCI0_MASK ~((uint32_t)(3<<8)) /**< MCIO (PhA) pin mask */ #define PINSEL3_MCI1 ((uint32_t)(1<<14)) /**< MCI1 (PhB) pin select */ #define PINSEL3_MCI1_MASK ~((uint32_t)(3<<14)) /**< MCI2 (PhB) pin mask */ #define PINSEL3_MCI2 ((uint32_t)(1<<16)) /**< MCI2 (Index) pin select */ #define PINSEL3_MCI2_MASK ~((uint32_t)(3<<16)) /**< MCI2 (Index) pin mask */ /*********************************************************************//** * Macro defines for PINMODE3 register QEI-related bits **********************************************************************/ #define PIN_PULL_UP 0UL #define PIN_REPEATER 1UL #define PIN_NORESISTOR 2UL #define PIN_PULL_DOWN 3UL #define PINMODE3_MCI0 ((uint32_t)(PIN_NORESISTOR<<8)) /**< MCIO (PhA) resistor selection */ #define PINMODE3_GPIO1p20 ((uint32_t)(PIN_PULL_DOWN<<8)) /**< GPIO 1.20) resistor selection */ #define PINMODE3_MCI0_MASK ~((uint32_t)(3<<8)) /**< MCIO (PhA) resistor mask */ #define PINMODE3_MCI1 ((uint32_t)(PIN_NORESISTOR<<14)) /**< MCI1 (PhB) resistor selection */ #define PINMODE3_GPIO1p23 ((uint32_t)(PIN_PULL_DOWN<<14)) /**< GPIO 1.23) resistor selection */ #define PINMODE3_MCI1_MASK ~((uint32_t)(3<<14)) /**< MCI1 (PhB) resistor mask */ #define PINMODE3_MCI2 ((uint32_t)(PIN_PULL_UP<<16)) /**< MCI2 (Index) resistor selection */ #define PINMODE3_GPIO1p24 ((uint32_t)(PIN_PULL_DOWN<<16)) /**< GPIO 1.24) resistor selection */ #define PINMODE3_MCI2_MASK ~((uint32_t)(3<<16)) /**< MCI2 (Index) resistor mask */ }; #endif /* MBED_QEI_H */ /* --------------------------------- End Of File ------------------------------ */