Motor Control Library

Diff: Components/l6474/l6474_class.h

Revision:

0:2887415a46cd

Child:

1:b38ebb8ea286

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Components/l6474/l6474_class.h	Wed Oct 14 15:12:18 2015 +0000
@@ -0,0 +1,660 @@
+/**
+  ******************************************************************************
+  * @file    l6474_class.h
+  * @author  IPC Rennes
+  * @version V1.5.0
+  * @date    November 12, 2014
+  * @brief   L6474 driver (fully integrated microstepping motor driver)
+  * @note    (C) COPYRIGHT 2014 STMicroelectronics
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+
+/* Generated with Stm32CubeTOO -----------------------------------------------*/
+
+
+/* Revision ------------------------------------------------------------------*/
+/*
+    Repository:       http://svn.x-nucleodev.codex.cro.st.com/svnroot/X-NucleoDev
+    Branch/Trunk/Tag: trunk
+    Based on:         X-CUBE-SPN1/trunk/Drivers/BSP/Components/l6474/l6474.h
+    Revision:         0
+*/
+
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+
+#ifndef __L6474_CLASS_H
+#define __L6474_CLASS_H
+
+
+/* Includes ------------------------------------------------------------------*/
+
+/* ACTION 1 ------------------------------------------------------------------*
+ * Include here platform specific header files.                               *
+ *----------------------------------------------------------------------------*/        
+#include "mbed.h"
+#include "DevSPI.h"
+/* ACTION 2 ------------------------------------------------------------------*
+ * Include here component specific header files.                              *
+ *----------------------------------------------------------------------------*/        
+#include "l6474.h"
+/* ACTION 3 ------------------------------------------------------------------*
+ * Include here interface specific header files.                              *
+ *                                                                            *
+ * Example:                                                                   *
+ *   #include "../Interfaces/Humidity_class.h"                                *
+ *   #include "../Interfaces/Temperature_class.h"                             *
+ *----------------------------------------------------------------------------*/
+#include "../Interfaces/Motor_class.h"
+
+
+/* Functions -----------------------------------------------------------------*/
+
+extern void PWMCallback(void);
+
+
+/* Classes -------------------------------------------------------------------*/
+
+/** Class representing a L6474 component.
+ */
+class L6474 : public Motor
+{
+public:
+
+    /*** Constructor and Destructor Methods ***/
+
+    /**
+     * @brief Constructor.
+     * @param reset     pin name of the STBY\RST pin of the component.
+     * @param direction pin name of the DIR pin of the component.
+     * @param pwm       pin name of the PWM pin of the component.
+     * @param ssel      pin name of the SSEL pin of the SPI device to be used for communication.
+     * @param spi       SPI device to be used for communication.
+     */
+    L6474(PinName reset, PinName direction, PinName pwm, PinName ssel, DevSPI &spi) : Motor(), direction(direction), pwm(pwm), reset(reset), ssel(ssel), dev_spi(spi)
+    {
+        /* ACTION 4 ----------------------------------------------------------*
+         * Initialize here the component's member variables, one variable per *
+         * line.                                                              *
+         *                                                                    *
+         * Example:                                                           *
+         *   T0_out = 0;                                                      *
+         *   T1_out = 0;                                                      *
+         *   T0_degC = 0;                                                     *
+         *   T1_degC = 0;                                                     *
+         *--------------------------------------------------------------------*/
+        flagInterruptCallback = 0;
+        errorHandlerCallback = 0;
+        memset(spiTxBursts, 0, L6474_CMD_ARG_MAX_NB_BYTES);
+        memset(spiRxBursts, 0, L6474_CMD_ARG_MAX_NB_BYTES);
+        spiPreemtionByIsr = 0;
+        isrFlag = 0;
+        //devicePrm = 0;
+        deviceInstance = numberOfDevices;
+        numberOfDevices++;
+    }
+    
+    /**
+     * @brief Destructor.
+     */
+    virtual ~L6474(void) {}
+    
+
+    /*** Public Component Related Methods ***/
+
+    /* ACTION 5 --------------------------------------------------------------*
+     * Implement here the component's public methods, as wrappers of the C    *
+     * component's functions.                                                 *
+     * They should be:                                                        *
+     *   + Methods with the same name of the C component's virtual table's    *
+     *     functions (1);                                                     *
+     *   + Methods with the same name of the C component's extended virtual   *
+     *     table's functions, if any (2).                                     *
+     *                                                                        *
+     * Example:                                                               *
+     *   virtual int GetValue(float *pData) //(1)                             *
+     *   {                                                                    *
+     *     return COMPONENT_GetValue(float *pfData);                          *
+     *   }                                                                    *
+     *                                                                        *
+     *   virtual int EnableFeature(void) //(2)                                *
+     *   {                                                                    *
+     *     return COMPONENT_EnableFeature();                                  *
+     *   }                                                                    *
+     *------------------------------------------------------------------------*/
+    virtual int Init(void *init)
+    {
+        return (int) L6474_Init((MOTOR_InitTypeDef *) init);
+    }
+
+    virtual int ReadID(uint8_t *id)
+    {
+        return (int) L6474_ReadID((uint8_t *) id);
+    }
+
+    virtual void AttachErrorHandler(void (*callback)(uint16_t error))
+    {
+        L6474_AttachErrorHandler((void (*)(uint16_t error)) callback);
+    }
+
+    virtual void AttachFlagInterrupt(void (*callback)(void))
+    {
+        L6474_AttachFlagInterrupt((void (*)(void)) callback);
+    }
+
+    virtual void FlagInterruptHandler(void)
+    {
+        L6474_FlagInterruptHandler();
+    }
+
+    virtual uint16_t GetAcceleration(void)
+    {
+        return (uint16_t) L6474_GetAcceleration();
+    }
+
+    virtual uint16_t GetCurrentSpeed(void)
+    {
+        return (uint16_t) L6474_GetCurrentSpeed();
+    }
+
+    virtual uint16_t GetDeceleration(void)
+    {
+        return (uint16_t) L6474_GetDeceleration();
+    }
+
+    virtual motorState_t GetDeviceState(void)
+    {
+        return (motorState_t) L6474_GetDeviceState();
+    }
+
+    virtual uint8_t GetFwVersion(void)
+    {
+        return (uint8_t) L6474_GetFwVersion();
+    }
+
+    virtual int32_t GetMark(void)
+    {
+        return (int32_t) L6474_GetMark();
+    }
+
+    virtual uint16_t GetMaxSpeed(void)
+    {
+        return (uint16_t) L6474_GetMaxSpeed();
+    }
+
+    virtual uint16_t GetMinSpeed(void)
+    {
+        return (uint16_t) L6474_GetMinSpeed();
+    }
+
+    virtual int32_t GetPosition(void)
+    {
+        return (int32_t) L6474_GetPosition();
+    }
+
+    virtual void GoHome(void)
+    {
+        L6474_GoHome();
+    }
+
+    virtual void GoMark(void)
+    {
+        L6474_GoMark();
+    }
+
+    virtual void GoTo(int32_t targetPosition)
+    {
+        L6474_GoTo((int32_t) targetPosition);
+    }
+
+    virtual void HardStop(void)
+    {
+        L6474_HardStop();
+    }
+
+    virtual void Move(motorDir_t direction, uint32_t stepCount)
+    {
+        L6474_Move((motorDir_t) direction, (uint32_t) stepCount);
+    }
+
+    virtual void Run(motorDir_t direction)
+    {
+        L6474_Run((motorDir_t) direction);
+    }
+
+    virtual bool SetAcceleration(uint16_t newAcc)
+    {
+        return (bool) L6474_SetAcceleration((uint16_t) newAcc);
+    }
+
+    virtual bool SetDeceleration(uint16_t newDec)
+    {
+        return (bool) L6474_SetDeceleration((uint16_t) newDec);
+    }
+
+    virtual void SetHome(void)
+    {
+        L6474_SetHome();
+    }
+
+    virtual void SetMark(void)
+    {
+        L6474_SetMark();
+    }
+
+    virtual bool SetMaxSpeed(uint16_t newMaxSpeed)
+    {
+        return (bool) L6474_SetMaxSpeed((uint16_t) newMaxSpeed);
+    }
+
+    virtual bool SetMinSpeed(uint16_t newMinSpeed)
+    {
+        return (bool) L6474_SetMinSpeed((uint16_t) newMinSpeed);
+    }
+
+    virtual bool SoftStop(void)
+    {
+        return (bool) L6474_SoftStop();
+    }
+
+    virtual void StepClockHandler(void)
+    {
+        L6474_StepClockHandler();
+    }
+
+    virtual void CmdDisable(void)
+    {
+        L6474_CmdDisable();
+    }
+
+    virtual void CmdEnable(void)
+    {
+        L6474_CmdEnable();
+    }
+
+    virtual uint32_t CmdGetParam(uint32_t param)
+    {
+        return (uint32_t) L6474_CmdGetParam((uint32_t) param);
+    }
+
+    virtual uint16_t CmdGetStatus(void)
+    {
+        return (uint16_t) L6474_CmdGetStatus();
+    }
+
+    virtual void CmdNop(void)
+    {
+        L6474_CmdNop();
+    }
+
+    virtual void CmdSetParam(uint32_t param, uint32_t value)
+    {
+        L6474_CmdSetParam((uint32_t) param, (uint32_t) value);
+    }
+
+    virtual uint16_t ReadStatusRegister(void)
+    {
+        return (uint16_t) L6474_ReadStatusRegister();
+    }
+
+    virtual void ReleaseReset(void)
+    {
+        L6474_ReleaseReset();
+    }
+
+    virtual void Reset(void)
+    {
+        L6474_Reset();
+    }
+
+    virtual void SelectStepMode(motorStepMode_t stepMod)
+    {
+        L6474_SelectStepMode((motorStepMode_t) stepMod);
+    }
+
+    virtual void SetDirection(motorDir_t direction)
+    {
+        L6474_SetDirection((motorDir_t) direction);
+    }
+
+    virtual void ErrorHandler(uint16_t error)
+    {
+        L6474_ErrorHandler((uint16_t) error);
+    }
+
+
+    /*** Public Interrupt Related Methods ***/
+
+    /* ACTION 6 --------------------------------------------------------------*
+     * Implement here interrupt related methods, if any.                      *
+     * Note that interrupt handling is platform dependent, e.g.:              *
+     *   + mbed:                                                              *
+     *     InterruptIn feature_int(pin); //Interrupt object.                  *
+     *     feature_int.rise(callback);   //Attach a callback.                 *
+     *     feature_int.mode(PullNone);   //Set interrupt mode.                *
+     *     feature_int.enable_irq();     //Enable interrupt.                  *
+     *     feature_int.disable_irq();    //Disable interrupt.                 *
+     *   + Arduino:                                                           *
+     *     attachInterrupt(pin, callback, RISING); //Attach a callback.       *
+     *     detachInterrupt(pin);                   //Detach a callback.       *
+     *                                                                        *
+     * Example (mbed):                                                        *
+     *   void Attach_Feature_IRQ(void (*fptr) (void))                         *
+     *   {                                                                    *
+     *     feature_int.rise(fptr);                                            *
+     *   }                                                                    *
+     *                                                                        *
+     *   void Enable_Feature_IRQ(void)                                        *
+     *   {                                                                    *
+     *     feature_int.enable_irq();                                          *
+     *   }                                                                    *
+     *                                                                        *
+     *   void Disable_Feature_IRQ(void)                                       *
+     *   {                                                                    *
+     *     feature_int.disable_irq();                                         *
+     *   }                                                                    *
+     *------------------------------------------------------------------------*/
+
+
+protected:
+
+    /*** Protected Component Related Methods ***/
+
+    /* ACTION 7 --------------------------------------------------------------*
+     * Declare here the component's specific methods.                         *
+     * They should be:                                                        *
+     *   + Methods with the same name of the C component's virtual table's    *
+     *     functions (1);                                                     *
+     *   + Methods with the same name of the C component's extended virtual   *
+     *     table's functions, if any (2);                                     *
+     *   + Helper methods, if any, like functions declared in the component's *
+     *     source files but not pointed by the component's virtual table (3). *
+     *                                                                        *
+     * Example:                                                               *
+     *   DrvStatusTypeDef COMPONENT_GetValue(float* pfData); //(1)            *
+     *   DrvStatusTypeDef COMPONENT_EnableFeature(void);     //(2)            *
+     *   DrvStatusTypeDef COMPONENT_ComputeAverage(void);    //(3)            *
+     *------------------------------------------------------------------------*/
+    void L6474_AttachErrorHandler(void (*callback)(uint16_t error));   //Attach a user callback to the error handler
+    void L6474_AttachFlagInterrupt(void (*callback)(void));            //Attach a user callback to the flag Interrupt
+    DrvStatusTypeDef L6474_Init(MOTOR_InitTypeDef *init);              //Start the L6474 library
+    DrvStatusTypeDef L6474_ReadID(uint8_t *id);                        //Read Id to get driver instance
+    uint16_t L6474_GetAcceleration(void);                              //Return the acceleration in pps^2
+    uint16_t L6474_GetCurrentSpeed(void);                              //Return the current speed in pps
+    uint16_t L6474_GetDeceleration(void);                              //Return the deceleration in pps^2
+    motorState_t L6474_GetDeviceState(void);                           //Return the device state
+    uint8_t L6474_GetFwVersion(void);                                  //Return the FW version
+    int32_t L6474_GetMark(void);                                       //Return the mark position 
+    uint16_t L6474_GetMaxSpeed(void);                                  //Return the max speed in pps
+    uint16_t L6474_GetMinSpeed(void);                                  //Return the min speed in pps
+    int32_t L6474_GetPosition(void);                                   //Return the ABS_POSITION (32b signed)
+    void L6474_GoHome(void);                                           //Move to the home position
+    void L6474_GoMark(void);                                           //Move to the Mark position
+    void L6474_GoTo(int32_t targetPosition);                           //Go to the specified position
+    void L6474_HardStop(void);                                         //Stop the motor and disable the power bridge
+    void L6474_Move(motorDir_t direction, uint32_t stepCount);         //Move the motor of the specified number of steps
+    void L6474_Run(motorDir_t direction);                              //Run the motor 
+    bool L6474_SetAcceleration(uint16_t newAcc);                       //Set the acceleration in pps^2
+    bool L6474_SetDeceleration(uint16_t newDec);                       //Set the deceleration in pps^2
+    void L6474_SetHome(void);                                          //Set current position to be the home position
+    void L6474_SetMark(void);                                          //Set current position to be the Markposition
+    bool L6474_SetMaxSpeed(uint16_t newMaxSpeed);                      //Set the max speed in pps
+    bool L6474_SetMinSpeed(uint16_t newMinSpeed);                      //Set the min speed in pps   
+    bool L6474_SoftStop(void);                                         //Progressively stops the motor 
+    void L6474_CmdDisable(void);                                       //Send the L6474_DISABLE command
+    void L6474_CmdEnable(void);                                        //Send the L6474_ENABLE command
+    uint32_t L6474_CmdGetParam(uint32_t param);                        //Send the L6474_GET_PARAM command
+    uint16_t L6474_CmdGetStatus(void);                                 //Send the L6474_GET_STATUS command
+    void L6474_CmdNop(void);                                           //Send the L6474_NOP command
+    void L6474_CmdSetParam(uint32_t param, uint32_t value);            //Send the L6474_SET_PARAM command
+    uint16_t L6474_ReadStatusRegister(void);                           //Read the L6474_STATUS register without clearing the flags
+    void L6474_SelectStepMode(motorStepMode_t stepMod);                //Step mode selection
+    void L6474_SetDirection(motorDir_t direction);                     //Set the L6474 direction pin
+    void L6474_ApplySpeed(uint16_t newSpeed);
+    void L6474_ComputeSpeedProfile(uint32_t nbSteps);
+    int32_t L6474_ConvertPosition(uint32_t abs_position_reg); 
+    void L6474_ErrorHandler(uint16_t error);
+    void L6474_FlagInterruptHandler(void);
+    void L6474_SendCommand(uint8_t param);
+    void L6474_SetRegisterToPredefinedValues(void);
+    void L6474_WriteBytes(uint8_t *pByteToTransmit, uint8_t *pReceivedByte);    
+    void L6474_SetDeviceParamsToPredefinedValues(void);
+    void L6474_StartMovement(void);
+    void L6474_StepClockHandler(void);  
+    uint8_t L6474_Tval_Current_to_Par(double Tval);
+    uint8_t L6474_Tmin_Time_to_Par(double Tmin);
+
+
+    /*** Component's I/O Methods ***/
+
+    /**
+     * @brief      Utility function to read data from L6474.
+     * @param[out] pBuffer pointer to the buffer to read data into.
+     * @param[in]  NumBytesToRead number of bytes to read.
+     * @retval     COMPONENT_OK in case of success, COMPONENT_ERROR otherwise.
+     */
+    DrvStatusTypeDef Read(uint8_t* pBuffer, uint16_t NumBytesToRead)
+    {
+        if (dev_spi.spi_read(pBuffer, ssel, NumBytesToRead) != 0)
+            return COMPONENT_ERROR;
+        return COMPONENT_OK;
+    }
+    
+    /**
+     * @brief      Utility function to write data to L6474.
+     * @param[in]  pBuffer pointer to the buffer of data to send.
+     * @param[in]  NumBytesToWrite number of bytes to write.
+     * @retval     COMPONENT_OK in case of success, COMPONENT_ERROR otherwise.
+     */
+    DrvStatusTypeDef Write(uint8_t* pBuffer, uint16_t NumBytesToWrite)
+    {
+        if (dev_spi.spi_write(pBuffer, ssel, NumBytesToWrite) != 0)
+            return COMPONENT_ERROR;
+        return COMPONENT_OK;
+    }
+
+    /**
+     * @brief      Utility function to read and write data from/to L6474 at the same time.
+     * @param[out] pBufferToRead pointer to the buffer to read data into.
+     * @param[in]  pBufferToWrite pointer to the buffer of data to send.
+     * @param[in]  NumBytes number of bytes to read and write.
+     * @retval     COMPONENT_OK in case of success, COMPONENT_ERROR otherwise.
+     */
+    DrvStatusTypeDef ReadWrite(uint8_t* pBufferToRead, uint8_t* pBufferToWrite, uint16_t NumBytes)
+    {
+        if (dev_spi.spi_read_write(pBufferToRead, pBufferToWrite, ssel, NumBytes) != 0)
+            return COMPONENT_ERROR;
+        return COMPONENT_OK;
+    }
+
+    /* ACTION 8 --------------------------------------------------------------*
+     * Implement here other I/O methods beyond those already implemented      *
+     * above, which are declared extern within the component's header file.   *
+     *------------------------------------------------------------------------*/
+    /*
+     * System call to make the CPU wait.
+     */
+    void L6474_Delay(uint32_t delay)
+    {
+        /* TO BE IMPLEMENTED BY USING TARGET PLATFORM'S APIs */
+        wait_ms(delay);
+    }
+
+    /*
+     * System call to enable interrupts.
+     */
+    void L6474_EnableIrq(void)
+    {
+        /* TO BE IMPLEMENTED BY USING TARGET PLATFORM'S APIs */
+        __enable_irq();
+    }
+
+    /*
+     * System call to disable interrupts.
+     */
+    void L6474_DisableIrq(void)
+    {
+        /* TO BE IMPLEMENTED BY USING TARGET PLATFORM'S APIs */
+        __disable_irq();
+    }
+
+    /*
+     * Sets the frequency of PWM.
+     * The frequency is directly the current speed of the device.
+     */
+    void L6474_PwmSetFreq(uint16_t newFreq)
+    {
+        /* TO BE IMPLEMENTED BY USING TARGET PLATFORM'S APIs */
+        double period = 1.0f / newFreq;
+        pwm.period(period);
+        pwm.write(0.5f);
+        ticker.attach(&PWMCallback, period);
+    }
+
+    /*
+     * Initialises the PWM uses by the specified device.
+     *  + Device 0 uses PWM1 based on timer 1;
+     *  + Device 1 uses PWM2 based on timer 2;
+     *  + Device 2 uses PWM3 based on timer 3.
+     */
+    void L6474_PwmInit(void)
+    {
+        /* TO BE IMPLEMENTED BY USING TARGET PLATFORM'S APIs */
+    }
+
+    /*
+     * Stops the PWM.
+     */
+    void L6474_PwmStop(void)
+    {
+        /* TO BE IMPLEMENTED BY USING TARGET PLATFORM'S APIs */
+        pwm.write(0.0f);
+        ticker.detach();
+    }
+
+    /*
+     * Setting the standby/reset pin to high.
+     */
+    void L6474_ReleaseReset(void)
+    {
+        reset = 1;
+    }
+
+    /*
+     * Resetting the standby/reset pin to put the device in standby mode.
+     */
+    void L6474_Reset(void)
+    {
+        reset = 0;
+    }
+
+    /*
+     * Set the direction of rotation.
+     */
+    void L6474_SetDirectionGpio(uint8_t gpioState)
+    {
+        direction = gpioState;
+    }
+
+    /*
+     * Write and read bytes to/from the component through the SPI at the same time.
+     */
+    uint8_t L6474_SpiWriteBytes(uint8_t *pByteToTransmit, uint8_t *pReceivedByte)
+    {
+        return (uint8_t) ReadWrite(pReceivedByte, pByteToTransmit, numberOfDevices);
+    }
+
+
+    /*** Component's Instance Variables ***/
+
+    /* Identity */
+    uint8_t who_am_i;
+
+    /* ACTION 9 --------------------------------------------------------------*
+     * There should be only a unique identifier for each component, which     *
+     * should be the "who_am_i" parameter, hence this parameter is optional.  *
+     *------------------------------------------------------------------------*/
+    /* Type. */
+    uint8_t type;
+
+    /* Configuration. */
+    DigitalOut ssel;
+
+    /* Standby and reset pin. */
+    DigitalOut reset;
+
+    /* Direction of rotation pin. */
+    DigitalOut direction;
+
+    /* Pulse Width Modulation pin. */
+    PwmOut pwm;
+
+    /* Timer to trigger the PWM callback at each PWM pulse. */
+    Ticker ticker;
+
+    /* IO Device. */
+    DevSPI &dev_spi;
+
+    /* Interrupts. */
+    /* ACTION 10 -------------------------------------------------------------*
+     * Put here interrupt related objects, if needed.                         *
+     * Note that interrupt handling is platform dependent, see                *
+     * "Interrupt Related Methods" above.                                     *
+     *                                                                        *
+     * Example:                                                               *
+     *   + mbed:                                                              *
+     *     InterruptIn feature_int;                                           *
+     *------------------------------------------------------------------------*/
+
+    /* Data. */
+    /* ACTION 11 -------------------------------------------------------------*
+     * Declare here the component's data, one variable per line.              *
+     *                                                                        *
+     * Example:                                                               *
+     *   int T0_out;                                                          *
+     *   int T1_out;                                                          *
+     *   float T0_degC;                                                       *
+     *   float T1_degC;                                                       *
+     *------------------------------------------------------------------------*/
+    void (*flagInterruptCallback)(void);
+    void (*errorHandlerCallback)(uint16_t error);
+    uint8_t spiTxBursts[L6474_CMD_ARG_MAX_NB_BYTES];
+    uint8_t spiRxBursts[L6474_CMD_ARG_MAX_NB_BYTES];
+    bool spiPreemtionByIsr;
+    bool isrFlag;
+    deviceParams_t devicePrm;
+    static uint8_t numberOfDevices;
+    uint8_t deviceInstance;
+};
+
+#endif // __L6474_CLASS_H
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/