Keil MBC1700 demoboard and L293, QEI ,TFT, MOTOR, UART

Dependencies:   mbed Motor

Revision:
0:9555690e7705
diff -r 000000000000 -r 9555690e7705 QEI_hw_m/qeihw.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QEI_hw_m/qeihw.h	Fri Mar 02 14:18:23 2012 +0000
@@ -0,0 +1,633 @@
+ /* 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 ------------------------------ */