text: /*
   * Copyright (c) 2015, Freescale Semiconductor, Inc.
   * Copyright 2016-2017 NXP
   * All rights reserved.
   * 
   * SPDX-License-Identifier: BSD-3-Clause
   */
  #ifndef _FSL_FLEXIO_H_
  #define _FSL_FLEXIO_H_
  
  #include "fsl_common.h"
  
  /*!
   * @addtogroup flexio_driver
   * @{
   */
  
  /*******************************************************************************
   * Definitions
   ******************************************************************************/
  
  /*! @name Driver version */
  /*@{*/
  /*! @brief FlexIO driver version 2.0.2. */
  #define FSL_FLEXIO_DRIVER_VERSION (MAKE_VERSION(2, 0, 2))
  /*@}*/
  
  /*! @brief Calculate FlexIO timer trigger.*/
  #define FLEXIO_TIMER_TRIGGER_SEL_PININPUT(x) ((uint32_t)(x) << 1U)
  #define FLEXIO_TIMER_TRIGGER_SEL_SHIFTnSTAT(x) (((uint32_t)(x) << 2U) | 0x1U)
  #define FLEXIO_TIMER_TRIGGER_SEL_TIMn(x) (((uint32_t)(x) << 2U) | 0x3U)
  
  /*! @brief Define time of timer trigger polarity.*/
  typedef enum _flexio_timer_trigger_polarity
  {
      kFLEXIO_TimerTriggerPolarityActiveHigh = 0x0U, /*!< Active high. */
      kFLEXIO_TimerTriggerPolarityActiveLow = 0x1U,  /*!< Active low. */
  } flexio_timer_trigger_polarity_t;
  
  /*! @brief Define type of timer trigger source.*/
  typedef enum _flexio_timer_trigger_source
  {
      kFLEXIO_TimerTriggerSourceExternal = 0x0U, /*!< External trigger selected. */
      kFLEXIO_TimerTriggerSourceInternal = 0x1U, /*!< Internal trigger selected. */
  } flexio_timer_trigger_source_t;
  
  /*! @brief Define type of timer/shifter pin configuration.*/
  typedef enum _flexio_pin_config
  {
      kFLEXIO_PinConfigOutputDisabled = 0x0U,         /*!< Pin output disabled. */
      kFLEXIO_PinConfigOpenDrainOrBidirection = 0x1U, /*!< Pin open drain or bidirectional output enable. */
      kFLEXIO_PinConfigBidirectionOutputData = 0x2U,  /*!< Pin bidirectional output data. */
      kFLEXIO_PinConfigOutput = 0x3U,                 /*!< Pin output. */
  } flexio_pin_config_t;
  
  /*! @brief Definition of pin polarity.*/
  typedef enum _flexio_pin_polarity
  {
      kFLEXIO_PinActiveHigh = 0x0U, /*!< Active high. */
      kFLEXIO_PinActiveLow = 0x1U,  /*!< Active low. */
  } flexio_pin_polarity_t;
  
  /*! @brief Define type of timer work mode.*/
  typedef enum _flexio_timer_mode
  {
      kFLEXIO_TimerModeDisabled = 0x0U,        /*!< Timer Disabled. */
      kFLEXIO_TimerModeDual8BitBaudBit = 0x1U, /*!< Dual 8-bit counters baud/bit mode. */
      kFLEXIO_TimerModeDual8BitPWM = 0x2U,     /*!< Dual 8-bit counters PWM mode. */
      kFLEXIO_TimerModeSingle16Bit = 0x3U,     /*!< Single 16-bit counter mode. */
  } flexio_timer_mode_t;
  
  /*! @brief Define type of timer initial output or timer reset condition.*/
  typedef enum _flexio_timer_output
  {
      kFLEXIO_TimerOutputOneNotAffectedByReset = 0x0U,  /*!< Logic one when enabled and is not affected by timer
                                                         reset. */
      kFLEXIO_TimerOutputZeroNotAffectedByReset = 0x1U, /*!< Logic zero when enabled and is not affected by timer
                                                         reset. */
      kFLEXIO_TimerOutputOneAffectedByReset = 0x2U,     /*!< Logic one when enabled and on timer reset. */
      kFLEXIO_TimerOutputZeroAffectedByReset = 0x3U,    /*!< Logic zero when enabled and on timer reset. */
  } flexio_timer_output_t;
  
  /*! @brief Define type of timer decrement.*/
  typedef enum _flexio_timer_decrement_source
  {
      kFLEXIO_TimerDecSrcOnFlexIOClockShiftTimerOutput = 0x0U,   /*!< Decrement counter on FlexIO clock, Shift clock
                                                                  equals Timer output. */
      kFLEXIO_TimerDecSrcOnTriggerInputShiftTimerOutput = 0x1U,  /*!< Decrement counter on Trigger input (both edges),
                                                                  Shift clock equals Timer output. */
      kFLEXIO_TimerDecSrcOnPinInputShiftPinInput = 0x2U,         /*!< Decrement counter on Pin input (both edges),
                                                                  Shift clock equals Pin input. */
      kFLEXIO_TimerDecSrcOnTriggerInputShiftTriggerInput = 0x3U, /*!< Decrement counter on Trigger input (both edges),
                                                                  Shift clock equals Trigger input. */
  } flexio_timer_decrement_source_t;
  
  /*! @brief Define type of timer reset condition.*/
  typedef enum _flexio_timer_reset_condition
  {
      kFLEXIO_TimerResetNever = 0x0U,                            /*!< Timer never reset. */
      kFLEXIO_TimerResetOnTimerPinEqualToTimerOutput = 0x2U,     /*!< Timer reset on Timer Pin equal to Timer Output. */
      kFLEXIO_TimerResetOnTimerTriggerEqualToTimerOutput = 0x3U, /*!< Timer reset on Timer Trigger equal to
                                                                  Timer Output. */
      kFLEXIO_TimerResetOnTimerPinRisingEdge = 0x4U,             /*!< Timer reset on Timer Pin rising edge. */
      kFLEXIO_TimerResetOnTimerTriggerRisingEdge = 0x6U,         /*!< Timer reset on Trigger rising edge. */
      kFLEXIO_TimerResetOnTimerTriggerBothEdge = 0x7U,           /*!< Timer reset on Trigger rising or falling edge. */
  } flexio_timer_reset_condition_t;
  
  /*! @brief Define type of timer disable condition.*/
  typedef enum _flexio_timer_disable_condition
  {
      kFLEXIO_TimerDisableNever = 0x0U,                    /*!< Timer never disabled. */
      kFLEXIO_TimerDisableOnPreTimerDisable = 0x1U,        /*!< Timer disabled on Timer N-1 disable. */
      kFLEXIO_TimerDisableOnTimerCompare = 0x2U,           /*!< Timer disabled on Timer compare. */
      kFLEXIO_TimerDisableOnTimerCompareTriggerLow = 0x3U, /*!< Timer disabled on Timer compare and Trigger Low. */
      kFLEXIO_TimerDisableOnPinBothEdge = 0x4U,            /*!< Timer disabled on Pin rising or falling edge. */
      kFLEXIO_TimerDisableOnPinBothEdgeTriggerHigh = 0x5U, /*!< Timer disabled on Pin rising or falling edge provided
                                                            Trigger is high. */
      kFLEXIO_TimerDisableOnTriggerFallingEdge = 0x6U,     /*!< Timer disabled on Trigger falling edge. */
  } flexio_timer_disable_condition_t;
  
  /*! @brief Define type of timer enable condition.*/
  typedef enum _flexio_timer_enable_condition
  {
      kFLEXIO_TimerEnabledAlways = 0x0U,                    /*!< Timer always enabled. */
      kFLEXIO_TimerEnableOnPrevTimerEnable = 0x1U,          /*!< Timer enabled on Timer N-1 enable. */
      kFLEXIO_TimerEnableOnTriggerHigh = 0x2U,              /*!< Timer enabled on Trigger high. */
      kFLEXIO_TimerEnableOnTriggerHighPinHigh = 0x3U,       /*!< Timer enabled on Trigger high and Pin high. */
      kFLEXIO_TimerEnableOnPinRisingEdge = 0x4U,            /*!< Timer enabled on Pin rising edge. */
      kFLEXIO_TimerEnableOnPinRisingEdgeTriggerHigh = 0x5U, /*!< Timer enabled on Pin rising edge and Trigger high. */
      kFLEXIO_TimerEnableOnTriggerRisingEdge = 0x6U,        /*!< Timer enabled on Trigger rising edge. */
      kFLEXIO_TimerEnableOnTriggerBothEdge = 0x7U,          /*!< Timer enabled on Trigger rising or falling edge. */
  } flexio_timer_enable_condition_t;
  
  /*! @brief Define type of timer stop bit generate condition.*/
  typedef enum _flexio_timer_stop_bit_condition
  {
      kFLEXIO_TimerStopBitDisabled = 0x0U,                    /*!< Stop bit disabled. */
      kFLEXIO_TimerStopBitEnableOnTimerCompare = 0x1U,        /*!< Stop bit is enabled on timer compare. */
      kFLEXIO_TimerStopBitEnableOnTimerDisable = 0x2U,        /*!< Stop bit is enabled on timer disable. */
      kFLEXIO_TimerStopBitEnableOnTimerCompareDisable = 0x3U, /*!< Stop bit is enabled on timer compare and timer
                                                               disable. */
  } flexio_timer_stop_bit_condition_t;
  
  /*! @brief Define type of timer start bit generate condition.*/
  typedef enum _flexio_timer_start_bit_condition
  {
      kFLEXIO_TimerStartBitDisabled = 0x0U, /*!< Start bit disabled. */
      kFLEXIO_TimerStartBitEnabled = 0x1U,  /*!< Start bit enabled. */
  } flexio_timer_start_bit_condition_t;
  
  /*! @brief Define type of timer polarity for shifter control. */
  typedef enum _flexio_shifter_timer_polarity
  {
      kFLEXIO_ShifterTimerPolarityOnPositive = 0x0U, /* Shift on positive edge of shift clock. */
      kFLEXIO_ShifterTimerPolarityOnNegitive = 0x1U, /* Shift on negative edge of shift clock. */
  } flexio_shifter_timer_polarity_t;
  
  /*! @brief Define type of shifter working mode.*/
  typedef enum _flexio_shifter_mode
  {
      kFLEXIO_ShifterDisabled = 0x0U,            /*!< Shifter is disabled. */
      kFLEXIO_ShifterModeReceive = 0x1U,         /*!< Receive mode. */
      kFLEXIO_ShifterModeTransmit = 0x2U,        /*!< Transmit mode. */
      kFLEXIO_ShifterModeMatchStore = 0x4U,      /*!< Match store mode. */
      kFLEXIO_ShifterModeMatchContinuous = 0x5U, /*!< Match continuous mode. */
  #if FSL_FEATURE_FLEXIO_HAS_STATE_MODE
      kFLEXIO_ShifterModeState = 0x6U, /*!< SHIFTBUF contents are used for storing
                                        programmable state attributes. */
  #endif                               /* FSL_FEATURE_FLEXIO_HAS_STATE_MODE */
  #if FSL_FEATURE_FLEXIO_HAS_LOGIC_MODE
      kFLEXIO_ShifterModeLogic = 0x7U, /*!< SHIFTBUF contents are used for implementing
                                       programmable logic look up table. */
  #endif                               /* FSL_FEATURE_FLEXIO_HAS_LOGIC_MODE */
  } flexio_shifter_mode_t;
  
  /*! @brief Define type of shifter input source.*/
  typedef enum _flexio_shifter_input_source
  {
      kFLEXIO_ShifterInputFromPin = 0x0U,               /*!< Shifter input from pin. */
      kFLEXIO_ShifterInputFromNextShifterOutput = 0x1U, /*!< Shifter input from Shifter N+1. */
  } flexio_shifter_input_source_t;
  
  /*! @brief Define of STOP bit configuration.*/
  typedef enum _flexio_shifter_stop_bit
  {
      kFLEXIO_ShifterStopBitDisable = 0x0U, /*!< Disable shifter stop bit. */
      kFLEXIO_ShifterStopBitLow = 0x2U,     /*!< Set shifter stop bit to logic low level. */
      kFLEXIO_ShifterStopBitHigh = 0x3U,    /*!< Set shifter stop bit to logic high level. */
  } flexio_shifter_stop_bit_t;
  
  /*! @brief Define type of START bit configuration.*/
  typedef enum _flexio_shifter_start_bit
  {
      kFLEXIO_ShifterStartBitDisabledLoadDataOnEnable = 0x0U, /*!< Disable shifter start bit, transmitter loads
                                                               data on enable. */
      kFLEXIO_ShifterStartBitDisabledLoadDataOnShift = 0x1U,  /*!< Disable shifter start bit, transmitter loads
                                                               data on first shift. */
      kFLEXIO_ShifterStartBitLow = 0x2U,                      /*!< Set shifter start bit to logic low level. */
      kFLEXIO_ShifterStartBitHigh = 0x3U,                     /*!< Set shifter start bit to logic high level. */
  } flexio_shifter_start_bit_t;
  
  /*! @brief Define FlexIO shifter buffer type*/
  typedef enum _flexio_shifter_buffer_type
  {
      kFLEXIO_ShifterBuffer = 0x0U,               /*!< Shifter Buffer N Register. */
      kFLEXIO_ShifterBufferBitSwapped = 0x1U,     /*!< Shifter Buffer N Bit Byte Swapped Register. */
      kFLEXIO_ShifterBufferByteSwapped = 0x2U,    /*!< Shifter Buffer N Byte Swapped Register. */
      kFLEXIO_ShifterBufferBitByteSwapped = 0x3U, /*!< Shifter Buffer N Bit Swapped Register. */
  #if defined(FSL_FEATURE_FLEXIO_HAS_SHFT_BUFFER_NIBBLE_BYTE_SWAP) && FSL_FEATURE_FLEXIO_HAS_SHFT_BUFFER_NIBBLE_BYTE_SWAP
      kFLEXIO_ShifterBufferNibbleByteSwapped = 0x4U, /*!< Shifter Buffer N Nibble Byte Swapped Register. */
  #endif                                             /*FSL_FEATURE_FLEXIO_HAS_SHFT_BUFFER_NIBBLE_BYTE_SWAP*/
  #if defined(FSL_FEATURE_FLEXIO_HAS_SHFT_BUFFER_HALF_WORD_SWAP) && FSL_FEATURE_FLEXIO_HAS_SHFT_BUFFER_HALF_WORD_SWAP
      kFLEXIO_ShifterBufferHalfWordSwapped = 0x5U, /*!< Shifter Buffer N Half Word Swapped Register. */
  #endif
  #if defined(FSL_FEATURE_FLEXIO_HAS_SHFT_BUFFER_NIBBLE_SWAP) && FSL_FEATURE_FLEXIO_HAS_SHFT_BUFFER_NIBBLE_SWAP
      kFLEXIO_ShifterBufferNibbleSwapped = 0x6U, /*!< Shifter Buffer N Nibble Swapped Register. */
  #endif
  } flexio_shifter_buffer_type_t;
  
  /*! @brief Define FlexIO user configuration structure. */
  typedef struct _flexio_config_
  {
      bool enableFlexio;     /*!< Enable/disable FlexIO module */
      bool enableInDoze;     /*!< Enable/disable FlexIO operation in doze mode */
      bool enableInDebug;    /*!< Enable/disable FlexIO operation in debug mode */
      bool enableFastAccess; /*!< Enable/disable fast access to FlexIO registers, fast access requires
                             the FlexIO clock to be at least twice the frequency of the bus clock. */
  } flexio_config_t;
  
  /*! @brief Define FlexIO timer configuration structure. */
  typedef struct _flexio_timer_config
  {
      /* Trigger. */
      uint32_t triggerSelect;                          /*!< The internal trigger selection number using MACROs. */
      flexio_timer_trigger_polarity_t triggerPolarity; /*!< Trigger Polarity. */
      flexio_timer_trigger_source_t triggerSource;     /*!< Trigger Source, internal (see 'trgsel') or external. */
      /* Pin. */
      flexio_pin_config_t pinConfig;     /*!< Timer Pin Configuration. */
      uint32_t pinSelect;                /*!< Timer Pin number Select. */
      flexio_pin_polarity_t pinPolarity; /*!< Timer Pin Polarity. */
      /* Timer. */
      flexio_timer_mode_t timerMode;                  /*!< Timer work Mode. */
      flexio_timer_output_t timerOutput;              /*!< Configures the initial state of the Timer Output and
                                                      whether it is affected by the Timer reset. */
      flexio_timer_decrement_source_t timerDecrement; /*!< Configures the source of the Timer decrement and the
                                                      source of the Shift clock. */
      flexio_timer_reset_condition_t timerReset;      /*!< Configures the condition that causes the timer counter
                                                      (and optionally the timer output) to be reset. */
      flexio_timer_disable_condition_t timerDisable;  /*!< Configures the condition that causes the Timer to be
                                                      disabled and stop decrementing. */
      flexio_timer_enable_condition_t timerEnable;    /*!< Configures the condition that causes the Timer to be
                                                      enabled and start decrementing. */
      flexio_timer_stop_bit_condition_t timerStop;    /*!< Timer STOP Bit generation. */
      flexio_timer_start_bit_condition_t timerStart;  /*!< Timer STRAT Bit generation. */
      uint32_t timerCompare;                          /*!< Value for Timer Compare N Register. */
  } flexio_timer_config_t;
  
  /*! @brief Define FlexIO shifter configuration structure. */
  typedef struct _flexio_shifter_config
  {
      /* Timer. */
      uint32_t timerSelect;                          /*!< Selects which Timer is used for controlling the
                                                      logic/shift register and generating the Shift clock. */
      flexio_shifter_timer_polarity_t timerPolarity; /*!< Timer Polarity. */
      /* Pin. */
      flexio_pin_config_t pinConfig;     /*!< Shifter Pin Configuration. */
      uint32_t pinSelect;                /*!< Shifter Pin number Select. */
      flexio_pin_polarity_t pinPolarity; /*!< Shifter Pin Polarity. */
      /* Shifter. */
      flexio_shifter_mode_t shifterMode; /*!< Configures the mode of the Shifter. */
  #if FSL_FEATURE_FLEXIO_HAS_PARALLEL_WIDTH
      uint32_t parallelWidth;                    /*!< Configures the parallel width when using parallel mode.*/
  #endif                                         /* FSL_FEATURE_FLEXIO_HAS_PARALLEL_WIDTH */
      flexio_shifter_input_source_t inputSource; /*!< Selects the input source for the shifter. */
      flexio_shifter_stop_bit_t shifterStop;     /*!< Shifter STOP bit. */
      flexio_shifter_start_bit_t shifterStart;   /*!< Shifter START bit. */
  } flexio_shifter_config_t;
  
  /*! @brief typedef for FlexIO simulated driver interrupt handler.*/
  typedef void (*flexio_isr_t)(void *base, void *handle);
  
  /*******************************************************************************
   * Variables
   ******************************************************************************/
  /*! @brief Pointers to flexio bases for each instance. */
  extern FLEXIO_Type *const s_flexioBases[];
  
  #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
  /*! @brief Pointers to flexio clocks for each instance. */
  extern const clock_ip_name_t s_flexioClocks[];
  #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
  /*******************************************************************************
   * API
   ******************************************************************************/
  
  #if defined(__cplusplus)
  extern "C" {
  #endif /*_cplusplus*/
  
  /*!
   * @name FlexIO Initialization and De-initialization
   * @{
   */
  
  /*!
   * @brief Gets the default configuration to configure the FlexIO module. The configuration
   * can used directly to call the FLEXIO_Configure().
   *
   * Example:
     @code
     flexio_config_t config;
     FLEXIO_GetDefaultConfig(&config);
     @endcode
   *
   * @param userConfig pointer to flexio_config_t structure
  */
  void FLEXIO_GetDefaultConfig(flexio_config_t *userConfig);
  
  /*!
   * @brief Configures the FlexIO with a FlexIO configuration. The configuration structure
   * can be filled by the user or be set with default values by FLEXIO_GetDefaultConfig().
   *
   * Example
     @code
     flexio_config_t config = {
     .enableFlexio = true,
     .enableInDoze = false,
     .enableInDebug = true,
     .enableFastAccess = false
     };
     FLEXIO_Configure(base, &config);
     @endcode
   *
   * @param base FlexIO peripheral base address
   * @param userConfig pointer to flexio_config_t structure
  */
  void FLEXIO_Init(FLEXIO_Type *base, const flexio_config_t *userConfig);
  
  /*!
   * @brief Gates the FlexIO clock. Call this API to stop the FlexIO clock.
   *
   * @note After calling this API, call the FLEXO_Init to use the FlexIO module.
   *
   * @param base FlexIO peripheral base address
  */
  void FLEXIO_Deinit(FLEXIO_Type *base);
  
  /*!
   * @brief Get instance number for FLEXIO module.
   *
   * @param base FLEXIO peripheral base address.
   */
  uint32_t FLEXIO_GetInstance(FLEXIO_Type *base);
  
  /* @} */
  
  /*!
   * @name FlexIO Basic Operation
   * @{
   */
  
  /*!
   * @brief Resets the FlexIO module.
   *
   * @param base FlexIO peripheral base address
  */
  void FLEXIO_Reset(FLEXIO_Type *base);
  
  /*!
   * @brief Enables the FlexIO module operation.
   *
   * @param base FlexIO peripheral base address
   * @param enable true to enable, false to disable.
  */
  static inline void FLEXIO_Enable(FLEXIO_Type *base, bool enable)
  {
      if (enable)
      {
          base->CTRL |= FLEXIO_CTRL_FLEXEN_MASK;
      }
      else
      {
          base->CTRL &= ~FLEXIO_CTRL_FLEXEN_MASK;
      }
  }
  
  #if defined(FSL_FEATURE_FLEXIO_HAS_PIN_STATUS) && FSL_FEATURE_FLEXIO_HAS_PIN_STATUS
  /*!
   * @brief Reads the input data on each of the FlexIO pins.
   *
   * @param base FlexIO peripheral base address
   * @return FlexIO pin input data
  */
  static inline uint32_t FLEXIO_ReadPinInput(FLEXIO_Type *base)
  {
      return base->PIN;
  }
  #endif /*FSL_FEATURE_FLEXIO_HAS_PIN_STATUS*/
  
  #if defined(FSL_FEATURE_FLEXIO_HAS_STATE_MODE) && FSL_FEATURE_FLEXIO_HAS_STATE_MODE
  /*!
   * @brief Gets the current state pointer for state mode use.
   *
   * @param base FlexIO peripheral base address
   * @return current State pointer
  */
  static inline uint8_t FLEXIO_GetShifterState(FLEXIO_Type *base)
  {
      return ((base->SHIFTSTATE) & FLEXIO_SHIFTSTATE_STATE_MASK);
  }
  #endif /*FSL_FEATURE_FLEXIO_HAS_STATE_MODE*/
  
  /*!
   * @brief Configures the shifter with the shifter configuration. The configuration structure
   * covers both the SHIFTCTL and SHIFTCFG registers. To configure the shifter to the proper
   * mode, select which timer controls the shifter to shift, whether to generate start bit/stop
   *  bit, and the polarity of start bit and stop bit.
   *
   * Example
     @code
     flexio_shifter_config_t config = {
     .timerSelect = 0,
     .timerPolarity = kFLEXIO_ShifterTimerPolarityOnPositive,
     .pinConfig = kFLEXIO_PinConfigOpenDrainOrBidirection,
     .pinPolarity = kFLEXIO_PinActiveLow,
     .shifterMode = kFLEXIO_ShifterModeTransmit,
     .inputSource = kFLEXIO_ShifterInputFromPin,
     .shifterStop = kFLEXIO_ShifterStopBitHigh,
     .shifterStart = kFLEXIO_ShifterStartBitLow
     };
     FLEXIO_SetShifterConfig(base, &config);
     @endcode
   *
   * @param base FlexIO peripheral base address
   * @param index Shifter index
   * @param shifterConfig Pointer to flexio_shifter_config_t structure
  */
  void FLEXIO_SetShifterConfig(FLEXIO_Type *base, uint8_t index, const flexio_shifter_config_t *shifterConfig);
  /*!
   * @brief Configures the timer with the timer configuration. The configuration structure
   * covers both the TIMCTL and TIMCFG registers. To configure the timer to the proper
   * mode, select trigger source for timer and the timer pin output and the timing for timer.
   *
   * Example
     @code
     flexio_timer_config_t config = {
     .triggerSelect = FLEXIO_TIMER_TRIGGER_SEL_SHIFTnSTAT(0),
     .triggerPolarity = kFLEXIO_TimerTriggerPolarityActiveLow,
     .triggerSource = kFLEXIO_TimerTriggerSourceInternal,
     .pinConfig = kFLEXIO_PinConfigOpenDrainOrBidirection,
     .pinSelect = 0,
     .pinPolarity = kFLEXIO_PinActiveHigh,
     .timerMode = kFLEXIO_TimerModeDual8BitBaudBit,
     .timerOutput = kFLEXIO_TimerOutputZeroNotAffectedByReset,
     .timerDecrement = kFLEXIO_TimerDecSrcOnFlexIOClockShiftTimerOutput,
     .timerReset = kFLEXIO_TimerResetOnTimerPinEqualToTimerOutput,
     .timerDisable = kFLEXIO_TimerDisableOnTimerCompare,
     .timerEnable = kFLEXIO_TimerEnableOnTriggerHigh,
     .timerStop = kFLEXIO_TimerStopBitEnableOnTimerDisable,
     .timerStart = kFLEXIO_TimerStartBitEnabled
     };
     FLEXIO_SetTimerConfig(base, &config);
     @endcode
   *
   * @param base FlexIO peripheral base address
   * @param index Timer index
   * @param timerConfig Pointer to the flexio_timer_config_t structure
  */
  void FLEXIO_SetTimerConfig(FLEXIO_Type *base, uint8_t index, const flexio_timer_config_t *timerConfig);
  
  /* @} */
  
  /*!
   * @name FlexIO Interrupt Operation
   * @{
   */
  
  /*!
   * @brief Enables the shifter status interrupt. The interrupt generates when the corresponding SSF is set.
   *
   * @param base FlexIO peripheral base address
   * @param mask The shifter status mask which can be calculated by (1 << shifter index)
   * @note For multiple shifter status interrupt enable, for example, two shifter status enable, can calculate
   * the mask by using ((1 << shifter index0) | (1 << shifter index1))
  */
  static inline void FLEXIO_EnableShifterStatusInterrupts(FLEXIO_Type *base, uint32_t mask)
  {
      base->SHIFTSIEN |= mask;
  }
  
  /*!
   * @brief Disables the shifter status interrupt. The interrupt won't generate when the corresponding SSF is set.
   *
   * @param base FlexIO peripheral base address
   * @param mask The shifter status mask which can be calculated by (1 << shifter index)
   * @note For multiple shifter status interrupt enable, for example, two shifter status enable, can calculate
   * the mask by using ((1 << shifter index0) | (1 << shifter index1))
  */
  static inline void FLEXIO_DisableShifterStatusInterrupts(FLEXIO_Type *base, uint32_t mask)
  {
      base->SHIFTSIEN &= ~mask;
  }
  
  /*!
   * @brief Enables the shifter error interrupt. The interrupt generates when the corresponding SEF is set.
   *
   * @param base FlexIO peripheral base address
   * @param mask The shifter error mask which can be calculated by (1 << shifter index)
   * @note For multiple shifter error interrupt enable, for example, two shifter error enable, can calculate
   * the mask by using ((1 << shifter index0) | (1 << shifter index1))
  */
  static inline void FLEXIO_EnableShifterErrorInterrupts(FLEXIO_Type *base, uint32_t mask)
  {
      base->SHIFTEIEN |= mask;
  }
  
  /*!
   * @brief Disables the shifter error interrupt. The interrupt won't generate when the corresponding SEF is set.
   *
   * @param base FlexIO peripheral base address
   * @param mask The shifter error mask which can be calculated by (1 << shifter index)
   * @note For multiple shifter error interrupt enable, for example, two shifter error enable, can calculate
   * the mask by using ((1 << shifter index0) | (1 << shifter index1))
  */
  static inline void FLEXIO_DisableShifterErrorInterrupts(FLEXIO_Type *base, uint32_t mask)
  {
      base->SHIFTEIEN &= ~mask;
  }
  
  /*!
   * @brief Enables the timer status interrupt. The interrupt generates when the corresponding SSF is set.
   *
   * @param base FlexIO peripheral base address
   * @param mask The timer status mask which can be calculated by (1 << timer index)
   * @note For multiple timer status interrupt enable, for example, two timer status enable, can calculate
   * the mask by using ((1 << timer index0) | (1 << timer index1))
  */
  static inline void FLEXIO_EnableTimerStatusInterrupts(FLEXIO_Type *base, uint32_t mask)
  {
      base->TIMIEN |= mask;
  }
  
  /*!
   * @brief Disables the timer status interrupt. The interrupt won't generate when the corresponding SSF is set.
   *
   * @param base FlexIO peripheral base address
   * @param mask The timer status mask which can be calculated by (1 << timer index)
   * @note For multiple timer status interrupt enable, for example, two timer status enable, can calculate
   * the mask by using ((1 << timer index0) | (1 << timer index1))
  */
  static inline void FLEXIO_DisableTimerStatusInterrupts(FLEXIO_Type *base, uint32_t mask)
  {
      base->TIMIEN &= ~mask;
  }
  
  /* @} */
  
  /*!
   * @name FlexIO Status Operation
   * @{
   */
  
  /*!
   * @brief Gets the shifter status flags.
   *
   * @param base FlexIO peripheral base address
   * @return Shifter status flags
  */
  static inline uint32_t FLEXIO_GetShifterStatusFlags(FLEXIO_Type *base)
  {
      return ((base->SHIFTSTAT) & FLEXIO_SHIFTSTAT_SSF_MASK);
  }
  
  /*!
   * @brief Clears the shifter status flags.
   *
   * @param base FlexIO peripheral base address
   * @param mask The shifter status mask which can be calculated by (1 << shifter index)
   * @note For clearing multiple shifter status flags, for example, two shifter status flags, can calculate
   * the mask by using ((1 << shifter index0) | (1 << shifter index1))
  */
  static inline void FLEXIO_ClearShifterStatusFlags(FLEXIO_Type *base, uint32_t mask)
  {
      base->SHIFTSTAT = mask;
  }
  
  /*!
   * @brief Gets the shifter error flags.
   *
   * @param base FlexIO peripheral base address
   * @return Shifter error flags
  */
  static inline uint32_t FLEXIO_GetShifterErrorFlags(FLEXIO_Type *base)
  {
      return ((base->SHIFTERR) & FLEXIO_SHIFTERR_SEF_MASK);
  }
  
  /*!
   * @brief Clears the shifter error flags.
   *
   * @param base FlexIO peripheral base address
   * @param mask The shifter error mask which can be calculated by (1 << shifter index)
   * @note For clearing multiple shifter error flags, for example, two shifter error flags, can calculate
   * the mask by using ((1 << shifter index0) | (1 << shifter index1))
  */
  static inline void FLEXIO_ClearShifterErrorFlags(FLEXIO_Type *base, uint32_t mask)
  {
      base->SHIFTERR = mask;
  }
  
  /*!
   * @brief Gets the timer status flags.
   *
   * @param base FlexIO peripheral base address
   * @return Timer status flags
  */
  static inline uint32_t FLEXIO_GetTimerStatusFlags(FLEXIO_Type *base)
  {
      return ((base->TIMSTAT) & FLEXIO_TIMSTAT_TSF_MASK);
  }
  
  /*!
   * @brief Clears the timer status flags.
   *
   * @param base FlexIO peripheral base address
   * @param mask The timer status mask which can be calculated by (1 << timer index)
   * @note For clearing multiple timer status flags, for example, two timer status flags, can calculate
   * the mask by using ((1 << timer index0) | (1 << timer index1))
  */
  static inline void FLEXIO_ClearTimerStatusFlags(FLEXIO_Type *base, uint32_t mask)
  {
      base->TIMSTAT = mask;
  }
  
  /* @} */
  
  /*!
   * @name FlexIO DMA Operation
   * @{
   */
  
  /*!
   * @brief Enables/disables the shifter status DMA. The DMA request  generates when the corresponding SSF is set.
   *
   * @note For multiple shifter status DMA enables, for example, calculate
   * the mask by using ((1 << shifter index0) | (1 << shifter index1))
   *
   * @param base FlexIO peripheral base address
   * @param mask The shifter status mask which can be calculated by (1 << shifter index)
   * @param enable True to enable, false to disable.
  */
  static inline void FLEXIO_EnableShifterStatusDMA(FLEXIO_Type *base, uint32_t mask, bool enable)
  {
      if (enable)
      {
          base->SHIFTSDEN |= mask;
      }
      else
      {
          base->SHIFTSDEN &= ~mask;
      }
  }
  
  /*!
   * @brief Gets the shifter buffer address for the DMA transfer usage.
   *
   * @param base FlexIO peripheral base address
   * @param type Shifter type of flexio_shifter_buffer_type_t
   * @param index Shifter index
   * @return Corresponding shifter buffer index
  */
  uint32_t FLEXIO_GetShifterBufferAddress(FLEXIO_Type *base, flexio_shifter_buffer_type_t type, uint8_t index);
  
  /*!
   * @brief Registers the handle and the interrupt handler for the FlexIO-simulated peripheral.
   *
   * @param base Pointer to the FlexIO simulated peripheral type.
   * @param handle Pointer to the handler for FlexIO simulated peripheral.
   * @param isr FlexIO simulated peripheral interrupt handler.
   * @retval kStatus_Success Successfully create the handle.
   * @retval kStatus_OutOfRange The FlexIO type/handle/ISR table out of range.
  */
  status_t FLEXIO_RegisterHandleIRQ(void *base, void *handle, flexio_isr_t isr);
  
  /*!
   * @brief Unregisters the handle and the interrupt handler for the FlexIO-simulated peripheral.
   *
   * @param base Pointer to the FlexIO simulated peripheral type.
   * @retval kStatus_Success Successfully create the handle.
   * @retval kStatus_OutOfRange The FlexIO type/handle/ISR table out of range.
  */
  status_t FLEXIO_UnregisterHandleIRQ(void *base);
  /* @} */
  
  #if defined(__cplusplus)
  }
  #endif /*_cplusplus*/
  /*@}*/
  
  #endif /*_FSL_FLEXIO_H_*/
  