/*
 * Copyright 2020-2022 Yuntu Microelectronics Co., Ltd.
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

/*!
 * @file linflexd_hw_access.h
 * @brief LINFlexD hardware access layer.
 *
 * This header provides low-level inline functions for direct register
 * access to the LINFlexD peripheral. Functions are grouped by functional
 * area: mode control, UART/LIN configuration, baud rate, status flags,
 * interrupt control, data buffer access, and ID filter configuration.
 *
 * @note These functions are intended for internal driver use and should
 *       not be called directly by application code.
 */

/*!
 * @page misra_violations MISRA-C:2012 violations list
 *
 * PRQA S 0779 Rule 5.2: Identifier does not differ from other identifier(s)
 *
 */

#ifndef LINFlexD_HW_ACCESS_H
#define LINFlexD_HW_ACCESS_H

#include "device_registers.h"
#include "linflexd_uart_driver.h"
#include "linflexd_lin_driver.h"
#include <stdint.h>

/*******************************************************************************
 * Definitions
 ******************************************************************************/
#define DEFAULT_OSR              16U
#define BAUDRATE_FRACTION_WIDTH  LINFlexD_LINFBRR_FBR_WIDTH

typedef float float32_t;

/*! @brief LINFlexD mode: UART/LIN. */
typedef enum
{
    LINFlexD_LIN_MODE = 0U,
    LINFlexD_UART_MODE = 1U
} linflexd_mode_t;


/*! @brief UART Timeout Counter Reset Mode: software/hardware. */
typedef enum
{
    LINFlexD_UART_TIMEOUT_COUNTER_RESET_SW_MODE = 0U,
    LINFlexD_UART_TIMEOUT_COUNTER_RESET_HW_MODE = 1U, /*PRQA S 0779*/
} linflexd_uart_timeout_counter_reset_mode_t;

/*! @brief UART Mode: FIFO/BUFFER. */
typedef enum
{
    LINFlexD_UART_RXTX_BUFFER_MODE = 0U,
    LINFlexD_UART_RXTX_FIFO_MODE = 1U
} linflexd_uart_rxtx_mode_t;

/*! @brief LINFlexD state. */
typedef enum
{
    LINFlexD_STATE_SLEEP_MODE = 0U,
    LINFlexD_STATE_INIT_MODE = 1U,
    LINFlexD_STATE_IDLE_MODE = 2U,
    LINFlexD_STATE_SYNC_BREAK = 3U,
    LINFlexD_STATE_SYNC_DEL = 4U,
    LINFlexD_STATE_SYNC_FIELD = 5U,
    LINFlexD_STATE_IDENTIFIER_FIELD = 6U,
    LINFlexD_STATE_HEADER_RX_TX = 7U,
    LINFlexD_STATE_DATA_RX_TX = 8U,
    LINFlexD_STATE_CHECKSUM = 9U
} linflexd_hw_state_t;

/*! @brief UART Status flags.
 *  These identifiers provide both mask and shift for status bits in UARTSR register.
 */
typedef enum
{
    LINFlexD_UART_NOISE_FLAG                   = LINFlexD_UARTSR_NF_MASK,
    LINFlexD_UART_DATA_TRANSMITTED_FLAG        = LINFlexD_UARTSR_DTF_TFF_MASK,
    LINFlexD_UART_DATA_RECEPTION_COMPLETE_FLAG = LINFlexD_UARTSR_DRF_RFE_MASK,
    LINFlexD_UART_TIMEOUT_FLAG                 = LINFlexD_UARTSR_TO_MASK,
    LINFlexD_UART_WAKEUP_FLAG                  = LINFlexD_UARTSR_WUF_MASK,
    LINFlexD_UART_RECEIVER_INPUT_STATE_FLAG    = LINFlexD_UARTSR_RDI_MASK,
    LINFlexD_UART_BUFFER_OVERRUN_FLAG          = LINFlexD_UARTSR_BOF_MASK,
    LINFlexD_UART_FRAME_ERROR_FLAG             = LINFlexD_UARTSR_FEF_MASK,
    LINFlexD_UART_MESSAGE_BUFFER_FULL_FLAG     = LINFlexD_UARTSR_RMB_MASK,
    LINFlexD_UART_PARITY_ERROR_FLAG            = LINFlexD_UARTSR_PE_MASK,
    LINFlexD_UART_OUTPUT_COMPARE_FLAG          = LINFlexD_UARTSR_OCF_MASK,
    LINFlexD_UART_STUCK_AT_ZERO_FLAG           = LINFlexD_UARTSR_SZF_MASK,
#if (FEATURE_LINFlexD_HAS_STA_IRQ)
    LINFlexD_UART_RECEIVE_EDGE_DETECTION_FLAG  = LINFlexD_UARTSR_SDF_MASK,
#endif /* FEATURE_LINFlexD_HAS_STA_IRQ */
} linflexd_uart_status_flag_t;

/*! @brief LIN Status flags.
 *  These identifiers provide both mask and shift for status bits in LINSR register.
 */
typedef enum
{
#if (FEATURE_LINFlexD_HAS_RED_IRQ)
    LINFlexD_LIN_RECEIVE_EDGE_DETECTION_FLAG  = LINFlexD_LINSR_REDF_MASK,
#endif /* FEATURE_LINFlexD_HAS_RED_IRQ */
    LINFlexD_LIN_RELEASE_MESSAGE_BUFFER_FLAG  = LINFlexD_LINSR_RMB_MASK,
    LINFlexD_LIN_RX_DATA_START_FLAG           = LINFlexD_LINSR_DRBNE_MASK,
    LINFlexD_LIN_WAKEUP_FLAG                  = LINFlexD_LINSR_WUF_MASK,
    LINFlexD_LIN_DATA_RECEPTION_COMPLETE_FLAG = LINFlexD_LINSR_DRF_MASK,
    LINFlexD_LIN_DATA_TRANSMITTED_FLAG        = LINFlexD_LINSR_DTF_MASK,
    LINFlexD_LIN_HEADER_RECEIVED_FLAG         = LINFlexD_LINSR_HRF_MASK
} linflexd_lin_status_flag_t;

/*! @brief LINFlexD interrupts.
 *  These identifiers provide both mask and shift for the interrupt enable bits in LINIER register.
 */
typedef enum
{
    LINFlexD_HEADER_RECEIVED_INT         = LINFlexD_LINIER_HRIE_MASK,
    LINFlexD_DATA_TRANSMITTED_INT        = LINFlexD_LINIER_DTIE_MASK,
    LINFlexD_DATA_RECEPTION_COMPLETE_INT = LINFlexD_LINIER_DRIE_MASK,
    LINFlexD_UART_TIMEOUT_ERROR_INT      = LINFlexD_LINIER_TOIE_MASK,
    LINFlexD_WAKEUP_INT                  = LINFlexD_LINIER_WUIE_MASK,
    LINFlexD_LIN_STATE_INT               = LINFlexD_LINIER_LSIE_MASK,
    LINFlexD_BUFFER_OVERRUN_INT          = LINFlexD_LINIER_BOIE_MASK,
    LINFlexD_FRAME_ERROR_INT             = LINFlexD_LINIER_FEIE_MASK,
    LINFlexD_HEADER_ERROR_INT            = LINFlexD_LINIER_HEIE_MASK,
    LINFlexD_CHECKSUM_ERROR_INT          = LINFlexD_LINIER_CEIE_MASK,
    LINFlexD_BIT_ERROR_INT               = LINFlexD_LINIER_BEIE_MASK,
    LINFlexD_OUTPUT_COMPARE_INT          = LINFlexD_LINIER_OCIE_MASK,
    LINFlexD_STUCK_AT_ZERO_INT           = LINFlexD_LINIER_SZIE_MASK,
#if (FEATURE_LINFlexD_HAS_RED_IRQ)
    LINFlexD_RECEIVE_EDGE_DETECTION_INT  = LINFlexD_LINIER_REDIE_MASK, /*PRQA S 0779*/
#if (FEATURE_LINFlexD_HAS_STA_IRQ)
    LINFlexD_START_DETECTION_INT         = LINFlexD_LINIER_SDIE_MASK,
#endif

#endif /* FEATURE_LINFlexD_HAS_RED_IRQ */
} linflexd_interrupt_t;

/*! @brief LINFlexD error status flag.
 *  These identifiers provide both mask and shift for the status flag bits in LINESR register.
 */
typedef enum
{
    LINFlexD_LIN_NOISE_FLAG                 = LINFlexD_LINESR_NF_MASK,
    LINFlexD_LIN_BUFFER_OVERRUN_FLAG        = LINFlexD_LINESR_BOF_MASK,
    LINFlexD_LIN_FRAMING_ERROR_FLAG         = LINFlexD_LINESR_FEF_MASK,
    LINFlexD_LIN_ID_PARITY_ERROR_FLAG       = LINFlexD_LINESR_IDPEF_MASK,
    LINFlexD_LIN_BREAK_DELIMITER_ERROR_FLAG = LINFlexD_LINESR_SDEF_MASK,
    LINFlexD_LIN_SYNC_FIELD_ERROR_FLAG      = LINFlexD_LINESR_SFEF_MASK,
    LINFlexD_LIN_CHECKSUM_ERROR_FLAG        = LINFlexD_LINESR_CEF_MASK,
    LINFlexD_LIN_BIT_ERROR_FLAG             = LINFlexD_LINESR_BEF_MASK,
    LINFlexD_LIN_OUTPUT_COMPARE_FLAG        = LINFlexD_LINESR_OCF_MASK,
    LINFlexD_LIN_STUCK_AT_ZERO_FLAG         = LINFlexD_LINESR_SZF_MASK,
} linflexd_lin_error_status_flag_t;

#if defined(__cplusplus)
extern "C" {
#endif

/*! @name Module Mode Control */
/*! @{ */

/*!
 * @brief Requests the LINFlexD module to enter initialization mode.
 *
 * This function sets the INIT bit in the LINCR1 register to place the
 * module in initialization mode, where configuration registers can be
 * modified. Sleep mode is exited automatically.
 *
 * @param base LINFlexD base pointer.
 */
static inline void LINFlexD_EnterInitMode(LINFlexD_Type *base)
{
    uint32_t regValTemp;

    regValTemp = base->LINCR1;
    /* Exit sleep mode */
    regValTemp &= ~(LINFlexD_LINCR1_SLEEP_MASK);
    /* Enter init mode. */
    regValTemp |= LINFlexD_LINCR1_INIT(1UL);
    base->LINCR1 = regValTemp;
}

/*!
 * @brief Requests the LINFlexD module to enter normal mode.
 *
 * This function clears the INIT and SLEEP bits in the LINCR1 register
 * to place the module in normal operating mode.
 *
 * @param base LINFlexD base pointer.
 */
static inline void LINFlexD_EnterNormalMode(LINFlexD_Type *base)
{
    uint32_t regValTemp;

    regValTemp = base->LINCR1;
    /* Exit sleep mode */
    regValTemp &= ~(LINFlexD_LINCR1_SLEEP_MASK);
    regValTemp &= ~(LINFlexD_LINCR1_INIT_MASK);
    /* Exit init mode. */
    base->LINCR1 = regValTemp;
}

/*!
 * @brief Enables or disables sleep mode.
 *
 * This function sets or clears the SLEEP bit in the LINCR1 register
 * to enter or exit low-power sleep mode.
 *
 * @param base LINFlexD base pointer.
 * @param enable true to enter sleep mode, false to exit.
 */
static inline void LINFlexD_SetSleepMode(LINFlexD_Type *base, bool enable)
{
    uint32_t regValTemp;

    regValTemp = base->LINCR1;
    regValTemp &= ~(LINFlexD_LINCR1_SLEEP_MASK);
    regValTemp |= LINFlexD_LINCR1_SLEEP(enable ? 1U : 0U);
    base->LINCR1 = regValTemp;
}
/*!
 * @brief Returns sleep mode status.
 *
 * This function returns whether the module is currently in sleep mode
 * by reading the SLEEP bit from the LINCR1 register.
 *
 * @param base LINFlexD base pointer.
 * @return true if sleep mode is active, false otherwise.
 */
static inline bool LINFlexD_GetSleepMode(LINFlexD_Type *base)
{
    return ((base->LINCR1 & LINFlexD_LINCR1_SLEEP_MASK) != 0U);
}

/*!
 * @brief Initializes the LINFlexD module for LIN mode.
 *
 * This function configures the LINCR1 register with the specified master/slave
 * mode and break length. It enables key LIN features such as hardware checksum,
 * automatic wakeup, and bypass receive filter.
 *
 * @param base       LINFlexD base pointer.
 * @param masterMode true for master mode, false for slave mode.
 * @param breakLength Break length selection for master mode.
 */
static inline void LINFlexD_Init(LINFlexD_Type *base, bool masterMode, linflexd_break_length_t breakLength)
{
    base->LINCR1 =    LINFlexD_LINCR1_NLSE(1U)      /* capture lin state */
                      | LINFlexD_LINCR1_CCD(0U)       /* hardware checksum */
                      | LINFlexD_LINCR1_CFD(0U)       /* hardware checksum sent by default */
                      | LINFlexD_LINCR1_LASE(0U)      /* disable auto synchronization */
                      | LINFlexD_LINCR1_AUTOWU(1U)    /* automatic wakeup enable */
                      | LINFlexD_LINCR1_MBL(breakLength)   /* master send break length */
                      | LINFlexD_LINCR1_BF(0x1U)      /* Bypass receive filter */
                      | LINFlexD_LINCR1_LBKM(0x0U)    /* Disable loop back mode */
                      | LINFlexD_LINCR1_SSBL(0x1U)    /* 10 bit break length detect */
                      | LINFlexD_LINCR1_RBLM(0x1U)    /* Lock rx buffer overrun */
                      | LINFlexD_LINCR1_INIT(0x1U)    /* Keep in init mode */
                      | LINFlexD_LINCR1_MME(masterMode ? 1U : 0U);   /* set master or slave mode */
}
/*!
 * @brief Sets the LINFlexD interrupt mode.
 *
 * This function sets LIN default interrupt mode.
 *
 * @param base LINFlexD base pointer.
 */
static inline void LINFlexD_IntInit(LINFlexD_Type *base)
{
    base->LINIER =    LINFlexD_LINIER_SZIE(0U)      /* Stuck at zero interrupt enable */
                      | LINFlexD_LINIER_OCIE(1U)      /* Output Compare Interrupt enable */
                      | LINFlexD_LINIER_BEIE(1U)      /* Bit error */
                      | LINFlexD_LINIER_CEIE(1U)      /* Checksum error */
                      | LINFlexD_LINIER_HEIE(1U)      /* Header error */
                      | LINFlexD_LINIER_FEIE(1U)      /* Frame error */
                      | LINFlexD_LINIER_BOIE(1U)      /* Buffer overrun error */
                      | LINFlexD_LINIER_LSIE(0U)      /* LIN state change */
                      | LINFlexD_LINIER_WUIE(1U)      /* Wakeup interrupt */
                      | LINFlexD_LINIER_TOIE(1U)      /* Timeout interrupt enable */
                      | LINFlexD_LINIER_DRIE(1U)      /* Data reception complete */
                      | LINFlexD_LINIER_DTIE(1U)      /* Data transmitted complete */
                      | LINFlexD_LINIER_HRIE(1U);     /* Header received */
}

/*!
 * @brief Sets the LINFlexD autosynchronization,.
 *
 * This function sets autosynchronization.
 *
 * @param base LINFlexD base pointer.
 * @param enable autosynchronization enable.
 */
static inline void LINFlexD_AutoSyncEnable(LINFlexD_Type *base, bool enable)
{
    uint32_t regValTemp;

    regValTemp = base->LINCR1;
    regValTemp &= ~(LINFlexD_LINCR1_LASE_MASK);
    regValTemp |= LINFlexD_LINCR1_LASE((enable ? 1U : 0U));
    base->LINCR1 = regValTemp;
}

/*!
 * @brief Sets the LINFlexD BIDR direction.
 *
 * This function sets LIN master transfer direction, based on the parameter received.
 *
 * @param base LINFlexD base pointer.
 * @param dir LINFlexD direction
 */
static inline void LINFlexD_SetLinDirection(LINFlexD_Type *base, linflexd_direction_t dir)
{
    uint32_t regValTemp;

    regValTemp = base->BIDR;
    regValTemp &= ~(LINFlexD_BIDR_DIR_MASK);
    regValTemp |= LINFlexD_BIDR_DIR((uint32_t)dir);
    base->BIDR= regValTemp;
}
/*!
 * @brief Sets the LINFlexD BIDR data length
 *
 * This function sets LIN transfer size, based on the parameter received.
 *
 * @param base LINFlexD base pointer.
 * @param size LINFlexD data size
 */
static inline void LINFlexD_SetLinDataLength(LINFlexD_Type *base, uint8_t size)
{
    uint32_t regValTemp;

    regValTemp = base->BIDR;
    regValTemp &= ~(LINFlexD_BIDR_DFL_MASK);
    regValTemp |= LINFlexD_BIDR_DFL((uint32_t)size - 1U);
    base->BIDR= regValTemp;
}
/*!
 * @brief Sets the LINFlexD BIDR Register
 *
 * This function sets LIN transfer, based on the parameter received.
 *
 * @param base LINFlexD base pointer.
 * @param id LINFlexD ID
 * @param size LINFlexD data size
 * @param dir LINFlexD direction
 * @param ccs Classic checksum or enhanced checksum selected.
 */
static inline void LINFlexD_SetLinBIDR(LINFlexD_Type *base,
                                       uint8_t id,
                                       uint8_t size,
                                       uint8_t dir,
                                       uint8_t ccs
)
{
    base->BIDR = LINFlexD_BIDR_DFL((uint32_t)size - 1U) |
                 LINFlexD_BIDR_DIR(dir)  |
                 LINFlexD_BIDR_CCS(ccs)  |
                 LINFlexD_BIDR_ID(id);
}
/*!
 * @brief Sets the LINFlexD Set Header Request
 *
 * This function sets LIN transfer size, based on the parameter received.
 *
 * @param base LINFlexD base pointer.
 */
static inline void LINFlexD_SetHeaderRequest(LINFlexD_Type *base)
{
    base->LINCR2 |= LINFlexD_LINCR2_HTRQ_MASK;
}
/*!
 * @brief Sets the LINFlexD Set Data Request
 *
 *
 * @param base LINFlexD base pointer.
 */
static inline void LINFlexD_SetDataRequest(LINFlexD_Type *base)
{
    base->LINCR2 |= LINFlexD_LINCR2_DTRQ_MASK;
}
/*!
 * @brief Sets the LINFlexD Wakeup Request
 *
 * @param base LINFlexD base pointer.
 */
static inline void LINFlexD_SetWakeupRequest(LINFlexD_Type *base)
{
    base->LINCR2 |= LINFlexD_LINCR2_WURQ_MASK;
}
/*!
 * @brief Enable/Disable Data Discard Request
 *
 * This function enable or disable LIN discard received data.
 *
 * @param base LINFlexD base pointer.
 * @param enable Discard data enable.
 */
static inline void LINFlexD_DataDiscard(LINFlexD_Type *base, bool enable)
{
    uint32_t reg = base->LINCR2;
    reg &= ~(LINFlexD_LINCR2_DDRQ_MASK);
    base->LINCR2 = reg | (LINFlexD_LINCR2_DDRQ(enable ? 1U : 0U));
}
/*!
 * @brief Enable/Disable Idle on bit error
 *
 * This function enable or disable Idle on bit error
 *
 * @param base LINFlexD base pointer.
 * @param enable Idle on bit error
 */
static inline void LINFlexD_IdleBitError(LINFlexD_Type *base, bool enable)
{
    uint32_t reg = base->LINCR2;
    reg &= ~(LINFlexD_LINCR2_IOBE_MASK);
    base->LINCR2 = reg | (LINFlexD_LINCR2_IOBE(enable ? 1U : 0U));
}
/*!
 * @brief Enable/Disable Transfer abort request
 *
 * This function enable or disable LIN transfer abort.
 *
 * @param base LINFlexD base pointer.
 * @param enable Abort transfer enable.
 */
static inline void LINFlexD_SetTransferAbort(LINFlexD_Type *base, bool enable)
{
    uint32_t reg = base->LINCR2;
    reg &= ~(LINFlexD_LINCR2_ABRQ_MASK);
    reg |= LINFlexD_LINCR2_ABRQ(enable ? 1U : 0U);
    base->LINCR2 = reg;
}
/*!
 * @brief Get Transfer abort request
 *
 * This function get LIN transfer abort status.
 *
 * @param base LINFlexD base pointer.
 */
static inline bool LINFlexD_GetTransferAbort(LINFlexD_Type *base)
{
    return ((base->LINCR2 & LINFlexD_LINCR2_ABRQ_MASK) != 0U);
}

/*!
 * @brief Sets the LINFlexD BIDR id
 *
 * This function sets LIN transfer id, based on the parameter received.
 *
 * @param base LINFlexD base pointer.
 * @param id LINFlexD id
 */
static inline void LINFlexD_SetLinBidrID(LINFlexD_Type *base, uint8_t id)
{
    uint32_t regValTemp;

    regValTemp = base->BIDR;
    regValTemp &= ~(LINFlexD_BIDR_ID_MASK);
    regValTemp |= LINFlexD_BIDR_ID(id);
    base->BIDR= regValTemp;
}

/*!
 * @brief Gets the LINFlexD BIDR id
 *
 * This function gets LIN transfer id, based on the parameter received.
 *
 * @param base LINFlexD base pointer.
 * @return LINFlexD id
 */
static inline uint8_t LINFlexD_GetLinBidrID(LINFlexD_Type *base)
{
    return (uint8_t)((base->BIDR & LINFlexD_BIDR_ID_MASK) >> LINFlexD_BIDR_ID_SHIFT);
}

/*!
 * @brief Sets the LINFlexD mode.
 *
 * This function sets LIN or UART mode, based on the parameter received.
 *
 * @param base LINFlexD base pointer.
 * @param mode LINFlexD mode - UART/LIN.
 */
static inline void LINFlexD_SetMode(LINFlexD_Type *base, linflexd_mode_t mode)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_UART_MASK);
    regValTemp |= LINFlexD_UARTCR_UART((uint32_t)mode);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Returns the current LINFlexD state.
 *
 * This function returns the state of the LINFlexD instance. The possible states are:
 *    - Sleep mode
 *    - Init mode
 *    - Idle mode
 *    - Sync Break Reception/Transmission
 *    - Sync Delimiter Reception/Transmission
 *    - Sync Field Reception/Transmission
 *    - Identifier Field Reception/Transmission
 *    - Header Reception/Transmission
 *    - Data Reception/Transmission
 *    - Checksum Reception/Transmission
 *
 * @param base LINFlexD base pointer.
 * @return LINFlexD mode - UART/LIN.
 */
static inline linflexd_hw_state_t LINFlexD_GetLinState(const LINFlexD_Type * base)
{
    uint8_t state = (uint8_t)((base->LINSR & LINFlexD_LINSR_LINS_MASK) >> LINFlexD_LINSR_LINS_SHIFT);
    return (linflexd_hw_state_t)state;
}

/*! @} */

/*! @name LIN Mode Configuration */
/*! @{ */

/*!
 * @brief Sets the word length.
 *
 * This function sets the word length in UART mode.
 * Should be called only when the module is in init mode.
 *
 * @param base LINFlexD base pointer.
 * @param length UART mode word length.
 */
static inline void LINFlexD_SetUartWordLength(LINFlexD_Type *base, linflexd_uart_word_length_t length)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_WL0_MASK);
    regValTemp |= LINFlexD_UARTCR_WL0((uint32_t)length & 1U);
    regValTemp &= ~(LINFlexD_UARTCR_WL1_MASK);
    regValTemp |= LINFlexD_UARTCR_WL1(((uint32_t)length >> 1U) & 1U);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Enables/disables parity bit.
 *
 * This function enables or disables the parity bit from UART bytes.
 * Should be called only when the module is in init mode.
 *
 * @param base LINFlexD base pointer.
 * @param enable true - enable parity queuing/checking, false - disable parity queuing/checking.
 */
static inline void LINFlexD_SetParityControl(LINFlexD_Type *base, bool enable)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_PCE_MASK);
    regValTemp |= LINFlexD_UARTCR_PCE(enable ? 1UL : 0UL);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Sets parity type.
 *
 * This function sets the type of parity to be used for UART bytes. Available options are:
 *    - odd
 *    - even
 *    - always 0
 *    - always 1
 * Should be called only when the module is in init mode.
 *
 * @param base LINFlexD base pointer.
 * @param parityType the type of parity.
 */
static inline void LINFlexD_SetParityType(LINFlexD_Type *base, linflexd_uart_parity_type_t parityType)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_PC0_MASK);
    regValTemp |= LINFlexD_UARTCR_PC0((uint32_t)parityType & 1U);
    regValTemp &= ~(LINFlexD_UARTCR_PC1_MASK);
    regValTemp |= LINFlexD_UARTCR_PC1(((uint32_t)parityType >> 1U) & 1U);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Enables/disables transmitter.
 *
 * This function enables or disables the UART transmitter, based on the parameter received.
 * Should be called only when the module is in UART mode.
 *
 * @param base LINFlexD base pointer.
 * @param enable enable/disable transmitter.
 */
static inline void LINFlexD_SetTransmitterState(LINFlexD_Type *base, bool enable)
{
    uint32_t regValTemp;

    SDK_ENTER_CRITICAL();
    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_TxEn_MASK);
    regValTemp |= LINFlexD_UARTCR_TxEn(enable ? 1UL : 0UL);
    base->UARTCR = regValTemp;
    SDK_EXIT_CRITICAL();
}

/*!
 * @brief Enables/disables receiver.
 *
 * This function enables or disables the UART receiver, based on the parameter received.
 * Should be called only when the module is in UART mode.
 *
 * @param base LINFlexD base pointer.
 * @param enable enable/disable receiver.
 */
static inline void LINFlexD_SetReceiverState(LINFlexD_Type *base, bool enable)
{
    uint32_t regValTemp;

    SDK_ENTER_CRITICAL();
    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_RxEn_MASK);
    regValTemp |= LINFlexD_UARTCR_RxEn(enable ? 1UL : 0UL);
    base->UARTCR = regValTemp;
    SDK_EXIT_CRITICAL();
}

/*! @} */

/*! @name Transmitter / Receiver Control */
/*! @{ */

/*!
 * @brief Sets the transmission mode (FIFO/Buffer).
 *
 * This function sets the transmission mode (FIFO/Buffer).
 * Should be called only when the module is in init mode.
 *
 * @param base LINFlexD base pointer.
 * @param mode tx mode: FIFO/Buffer.
 */
static inline void LINFlexD_SetTxMode(LINFlexD_Type *base, linflexd_uart_rxtx_mode_t mode)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_TFBM_MASK);
    regValTemp |= LINFlexD_UARTCR_TFBM((uint32_t)mode);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Sets the reception mode (FIFO/Buffer).
 *
 * This function sets the reception mode (FIFO/Buffer).
 * Should be called only when the module is in init mode.
 *
 * @param base LINFlexD base pointer.
 * @param mode rx mode: FIFO/Buffer.
 */
static inline void LINFlexD_SetRxMode(LINFlexD_Type *base, linflexd_uart_rxtx_mode_t mode)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_RFBM_MASK);
    regValTemp |= LINFlexD_UARTCR_RFBM((uint32_t)mode);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Sets the reception data field length/FIFO depth.
 *
 * This function sets either the reception data field length or the number of bytes in the Rx FIFO, according to
 * the current reception mode.
 *
 * @param base LINFlexD base pointer.
 * @param length data field length/FIFO depth.
 */
static inline void LINFlexD_SetRxDataFieldLength(LINFlexD_Type *base, uint8_t length)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_RDFL_RFC_MASK);
    regValTemp |= LINFlexD_UARTCR_RDFL_RFC(length);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Sets the transmission data field length/FIFO depth.
 *
 * This function sets either the transmission data field length or the number of bytes in the Tx FIFO, according to
 * the current transmission mode.
 * Should be called only when the module is in init mode.
 *
 * @param base LINFlexD base pointer.
 * @param length data field length/FIFO depth.
 */
static inline void LINFlexD_SetTxDataFieldLength(LINFlexD_Type *base, uint8_t length)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_TDFL_TFC_MASK);
    regValTemp |= LINFlexD_UARTCR_TDFL_TFC(length);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Sets the number of stop bits for Rx.
 *
 * This function sets the number of stop bits for received bytes.
 *
 * @param base LINFlexD base pointer.
 * @param stopBitsCount number of stop bits.
 */
static inline void LINFlexD_SetRxStopBitsCount(LINFlexD_Type *base, linflexd_uart_stop_bits_count_t stopBitsCount)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_SBUR_MASK);
    regValTemp |= LINFlexD_UARTCR_SBUR(stopBitsCount);
    base->UARTCR = regValTemp;
}

/*! @} */

/*! @name Timeout Configuration */
/*! @{ */

/*!
 * @brief Sets UART to monitor idle state.
 *
 * This function sets UART to monitor idle state with the timeout counter.
 *
 * @param base LINFlexD base pointer.
 * @param enable enable/disable idle state monitoring.
 */
static inline void LINFlexD_SetMonitorIdleState(LINFlexD_Type *base,  bool enable)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_MIS_MASK);
    regValTemp |= LINFlexD_UARTCR_MIS(enable ? 1UL : 0UL);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Sets the reset mode of the timeout counter.
 *
 * This function sets the reset mode of the UART timeout counter.
 *
 * @param base LINFlexD base pointer.
 * @param mode  Timeout Counter Reset Mode: software/hardware.
 */
static inline void LINFlexD_SetTimeoutCounterResetMode(LINFlexD_Type *base,  linflexd_uart_timeout_counter_reset_mode_t mode)
{
    uint32_t regValTemp;

    regValTemp = base->UARTCR;
    regValTemp &= ~(LINFlexD_UARTCR_DTU_MASK);
    regValTemp |= LINFlexD_UARTCR_DTU(mode);
    base->UARTCR = regValTemp;
}

/*!
 * @brief Sets the value of the timeout counter.
 *
 * This function sets the value of the UART timeout counter.
 *
 * @param base LINFlexD base pointer.
 * @param value  Timeout Counter Value.
 */
static inline void LINFlexD_SetIdleTimeoutValue(LINFlexD_Type *base,  uint32_t value)
{
    base->UARTPTO = LINFlexD_UARTPTO_PTO(value);
}

/*! @} */

/*! @name Baud Rate Configuration */
/*! @{ */

/*!
 * @brief Sets fractional baud rate.
 *
 * This function configures the bits that decide the fractional part of the LIN Baud Rate.
 * Should be called only when the module is in init mode.
 *
 * @param base LINFlexD base pointer.
 * @param fbr fractional baud rate.
 */
static inline void LINFlexD_SetFractionalBaudRate(LINFlexD_Type *base, uint8_t fbr)
{
    uint32_t regValTemp;

    regValTemp = base->LINFBRR;
    regValTemp &= ~(LINFlexD_LINFBRR_FBR_MASK);
    regValTemp |= LINFlexD_LINFBRR_FBR(fbr);
    base->LINFBRR = regValTemp;
}

/*!
 * @brief Gets fractional baud rate.
 *
 * This function returns the bits that decide the fractional part of the LIN Baud Rate.
 *
 * @param base LINFlexD base pointer.
 * @return fractional baud rate.
 */
static inline uint8_t LINFlexD_GetFractionalBaudRate(const LINFlexD_Type * base)
{
    return (uint8_t)((base->LINFBRR & LINFlexD_LINFBRR_FBR_MASK) >> LINFlexD_LINFBRR_FBR_SHIFT);
}

/*!
 * @brief Sets integer baud rate.
 *
 * This function configures the bits that decide the integer part of the LIN Baud Rate.
 * Should be called only when the module is in init mode.
 *
 * @param base LINFlexD base pointer.
 * @param fbr integer baud rate.
 */
static inline void LINFlexD_SetIntegerBaudRate(LINFlexD_Type *base, uint32_t ibr)
{
    uint32_t regValTemp;

    regValTemp = base->LINIBRR;
    regValTemp &= ~(LINFlexD_LINIBRR_IBR_MASK);
    regValTemp |= LINFlexD_LINIBRR_IBR(ibr);
    base->LINIBRR = regValTemp;
}

/*!
 * @brief Gets integer baud rate.
 *
 * This function returns the bits that decide the integer part of the LIN Baud Rate.
 *
 * @param base LINFlexD base pointer.
 * @return integer baud rate.
 */
static inline uint32_t LINFlexD_GetIntegerBaudRate(const LINFlexD_Type * base)
{
    return (uint32_t)((base->LINIBRR & LINFlexD_LINIBRR_IBR_MASK) >> LINFlexD_LINIBRR_IBR_SHIFT);
}

/*! @} */

/*! @name LIN Timeout Configuration */
/*! @{ */

/*!
 * @brief Sets timeout enable.
 *
 * This function enable or disable timeout feature for LIN mode.
 *
 * @param base LINFlexD base pointer.
 * @param enable enable/disable timeout.
 */
static inline void LINFlexD_EnableTimeout(LINFlexD_Type * base, const bool enable)
{
    if (enable)
    {
        base->LINTCSR = LINFlexD_LINTCSR_IOT(1U) |
                        LINFlexD_LINTCSR_TOCE(1U) |
                        LINFlexD_LINTCSR_MODE(0U);
    }
    else
    {
        base->LINTCSR = LINFlexD_LINTCSR_IOT(0U) |
                        LINFlexD_LINTCSR_TOCE(0U) |
                        LINFlexD_LINTCSR_MODE(1U);
    }
}
/*!
 * @brief Sets timeout value.
 *
 * This function set lin response and header timeout value.
 *
 * @param base LINFlexD base pointer.
 * @param responseTimeout response timeout value.
 * @param headerTimeout header timeout value.
 */
static inline void LINFlexD_SetTimeoutValue(LINFlexD_Type * base,
                                            const uint8_t responseTimeout,
                                            const uint8_t headerTimeout)
{
    base->LINTOCR = LINFlexD_LINTOCR_RTO(responseTimeout) |
                    LINFlexD_LINTOCR_HTO(headerTimeout);
}

/*! @} */

/*! @name UART Stop Bits Configuration */
/*! @{ */

/*!
 * @brief Sets the number of stop bits for Tx.
 *
 * This function sets the number of stop bits for transmitted bytes.
 * Should be called only when the module is in init mode.
 *
 * @param base LINFlexD base pointer.
 * @param defaultOffset - true - use the memory map defined in the header file to access the register;
 *                      - false - use custom memory map to access the register.
 * @param stopBitsCount number of stop bits.
 */
static inline void LINFlexD_SetTxStopBitsCount(LINFlexD_Type *base, linflexd_uart_stop_bits_count_t stopBitsCount,
                                               bool defaultOffset)
{
    uint32_t regValTemp;

#if (FEATURE_LINFlexD_HAS_DIFFERENT_MEM_MAP)
    if (!defaultOffset)
    {
        regValTemp = ((LINFlexD_0IFCR_Type *)base)->GCR;
        regValTemp &= ~(LINFlexD_GCR_STOP_MASK);
        regValTemp |= LINFlexD_GCR_STOP(stopBitsCount);
        ((LINFlexD_0IFCR_Type *)base)->GCR = regValTemp;
    }
    else
    {
        regValTemp = base->GCR;
        regValTemp &= ~(LINFlexD_GCR_STOP_MASK);
        regValTemp |= LINFlexD_GCR_STOP(stopBitsCount);
        base->GCR = regValTemp;
    }
#else
    (void)defaultOffset;
    regValTemp = base->GCR;
    regValTemp &= ~(LINFlexD_GCR_STOP_MASK);
    regValTemp |= LINFlexD_GCR_STOP(stopBitsCount);
    base->GCR = regValTemp;
#endif
}

/*! @} */

/*! @name Status Flags */
/*! @{ */

/*!
 * @brief Clears an UART interrupt flag.
 *
 * This function clears the UART status flag received as parameter.
 *
 * @param base LINFlexD base pointer.
 * @param flag UART status flag.
 */
static inline void LINFlexD_ClearStatusFlag(LINFlexD_Type * base, linflexd_uart_status_flag_t flag)
{
    base->UARTSR = (uint32_t)flag;
}
/*!
 * @brief Clears an LIN interrupt flag.
 *
 * This function clears the LIN status flag received as parameter.
 *
 * @param base LINFlexD base pointer.
 * @param flag LIN status flag.
 */
static inline void LINFlexD_ClearLinStatusFlag(LINFlexD_Type * base, linflexd_lin_status_flag_t flag)
{
    base->LINSR = (uint32_t)flag;
}
/*!
 * @brief Clears an LIN error interrupt flag.
 *
 * This function clears the LIN error status flag received as parameter.
 *
 * @param base LINFlexD base pointer.
 * @param flag LIN error status flag.
 */
static inline void LINFlexD_ClearLinErrorStatusFlag(LINFlexD_Type * base, linflexd_lin_error_status_flag_t flag)
{
    base->LINESR = (uint32_t)flag;
}

/*!
 * @brief Returns an UART interrupt flag.
 *
 * This function returns the value of the UART status flag received as parameter.
 *
 * @param base LINFlexD base pointer.
 * @param flag LIN status flag.
 * @return true - UART status flag set, false - UART status flag reset.
 */
static inline bool LINFlexD_GetStatusFlag(const LINFlexD_Type * base, linflexd_uart_status_flag_t flag)
{
    return ((base->UARTSR & (uint32_t)flag) != 0U);
}
/*!
 * @brief Returns an LIN interrupt flag.
 *
 * This function returns the value of the LIN status flag received as parameter.
 *
 * @param base LINFlexD base pointer.
 * @param flag LIN status flag. 
 * @return true - LIN status flag set, false - LIN status flag reset.
 */
static inline bool LINFlexD_GetLinStatusFlag(const LINFlexD_Type * base, linflexd_lin_status_flag_t flag)
{
    return ((base->LINSR & (uint32_t)flag) != 0U);
}
/*!
 * @brief Returns an LIN error interrupt flag.
 *
 * This function returns the value of the LIN error status flag received as parameter.
 *
 * @param base LINFlexD base pointer.
 * @param flag LIN error status flag. 
 * @return true - LIN error status flag set, false - LIN erro status flag reset.
 */
static inline bool LINFlexD_GetLinErrorStatusFlag(const LINFlexD_Type * base, linflexd_lin_error_status_flag_t flag)
{
    return ((base->LINESR & (uint32_t)flag) != 0U);
}

/*! @} */

/*! @name Interrupt Control */
/*! @{ */

/*!
 * @brief Enables/disables an UART interrupt.
 *
 * This function configures whether the UART event will trigger an interrupt.
 *
 * @param base LINFlexD base pointer.
 * @param intSrc UART interrupt source.
 * @param enable true - enable interrupt, false - disable interrupt.
 */
static inline void LINFlexD_SetInterruptMode(LINFlexD_Type * base, linflexd_interrupt_t intSrc, bool enable)
{
    uint32_t regValTemp;

    SDK_ENTER_CRITICAL();
    regValTemp = base->LINIER;
    if (enable)
    {
        regValTemp |= (uint32_t)intSrc;
    }
    else
    {
        regValTemp &= ~(uint32_t)intSrc;
    }
    base->LINIER = regValTemp;
    SDK_EXIT_CRITICAL();
}

/*!
 * @brief Returns the state of an UART interrupt.
 *
 * This function returns whether the UART event will trigger an interrupt.
 *
 * @param base LINFlexD base pointer.
 * @param intSrc UART interrupt source.
 * @return true - interrupt enabled, false - interrupt disabled.
 */
static inline bool LINFlexD_IsInterruptEnabled(const LINFlexD_Type * base, uint32_t intSrc)
{
    return ((base->LINIER & intSrc) != 0U);
}

/*! @} */

/*! @name Data Buffer Access */
/*! @{ */

/*!
 * @brief Sets the first byte of the tx data buffer.
 *
 * This function writes one byte to the tx data buffer.
 *
 * @param base LINFlexD base pointer.
 * @param data data byte.
 */
static inline void LINFlexD_SetTxDataBuffer1Byte(LINFlexD_Type * base, uint8_t data)
{
    base->DATA.DATA8[0] = data;
}

/*!
 * @brief Sets the byte array of the tx data buffer.
 *
 * This function writes given bytes to the tx data buffer.
 *
 * @param base LINFlexD base pointer.
 * @param data data bytes array.
 * @param size data bytes array size.
 */
static inline void LINFlexD_SetTxDataArray(LINFlexD_Type * base, const uint8_t * data, uint8_t size)
{
    uint8_t i = 0;
    for(i = 0; i < size; i++)
    {
        base->DATA.DATA8[i] = data[i];
    }
}

/*!
 * @brief Gets the byte array of the rx data buffer.
 *
 * This function reads bytes from the rx data buffer into the user buffer.
 *
 * @param base LINFlexD base pointer.
 * @param data data bytes array.
 * @param size data bytes array size.
 */
static inline void LINFlexD_GetRxDataArray(LINFlexD_Type * base, uint8_t * data, uint8_t size)
{
    uint8_t i = 0;
    for(i = 0; i < size; i++)
    {
        data[i] = base->DATA.DATA8[i];
    }
}

/*!
 * @brief Sets the first half-word of the tx data buffer.
 *
 * This function writes two bytes to the tx data buffer.
 *
 * @param base LINFlexD base pointer.
 * @param data data half-word.
 */
static inline void LINFlexD_SetTxDataBuffer2Bytes(LINFlexD_Type * base, uint16_t data)
{
    base->DATA.DATA16[0]= data;
}

/*!
 * @brief Gets the first byte of the rx data buffer.
 *
 * This function retrieves one byte from the rx data buffer.
 *
 * @param base LINFlexD base pointer.
 * @return data byte.
 */
static inline uint8_t LINFlexD_GetRxDataBuffer1Byte(const LINFlexD_Type * base)
{
    return base->DATA.DATA8[4];
}

/*!
 * @brief Gets the first half-word of the rx data buffer.
 *
 * This function retrieves two bytes from the rx data buffer.
 *
 * @param base LINFlexD base pointer.
 * @return data half-word.
 */
static inline uint16_t LINFlexD_GetRxDataBuffer2Bytes(const LINFlexD_Type * base)
{
    return base->DATA.DATA16[2];
}

/*! @} */

/*! @name ID Filter Configuration */
/*! @{ */

/*!
 * @brief Configures the ID filters.
 *
* This function config each ID filters by config.
* 
* @param base LINFlexD base pointer.
* @param config ID filter items.
*/
static inline void LINFlexD_ConfigIdFilter(LINFlexD_Type *base, uint8_t filterCount,
                                           const linflexd_id_filter_config_t config[])
{
    uint16_t index, ifer = 0, ifmr = 0;
    for (index = 0; index < filterCount; index++)
    {
        if (!config[index].filterEnable)
        {
            continue;
        }
        ifer |= (config[index].filterEnable ? (uint16_t)1U : (uint16_t)0U) << index;
        ifmr |= (config[index].maskEnable ? (uint16_t)1U : (uint16_t)0U) << (uint8_t)(index / 2U);
        /* Be careful of DFL out of range or equal 0 */
        base->IFCR[index] = LINFlexD_IFCR_DFL((uint32_t)config[index].dataFieldLength - 1U) | 
                            LINFlexD_IFCR_DIR(config[index].direction) | 
                            LINFlexD_IFCR_CCS(config[index].checksumType) | 
                            LINFlexD_IFCR_ID(config[index].id);
        /* If any filter enable, disable bypass */
        base->LINCR1 &= ~LINFlexD_LINCR1_BF_MASK;
    }
    base->IFER = LINFlexD_IFER_FACT(ifer);
    base->IFMR = LINFlexD_IFMR_IFM(ifmr);
}

/*!
* @brief Get IFMI.
*
* This function get ID filter match index.
* 
* @param base LINFlexD base pointer.
* @return data byte.
*/
static inline uint8_t LINFlexD_GetFilterMatchIndex(LINFlexD_Type *base)
{
    return (uint8_t)(base->IFMI & LINFlexD_IFMI_IFMI_MASK);
}

/*! @} */

/*! @name Deinitialization */
/*! @{ */

/*!
 * @brief Resets all LINFlexD registers to default values.
 */
static inline void LINFlexD_DeinitRegs(LINFlexD_Type *base)
{
    base->LINCR1 = LINFlexD_LINCR1_INIT_MASK;
    base->LINIER = 0x00000000U;
    base->LINCR2 = 0x00000000U;
    base->IFER = 0x00000000U;
    base->LINTCSR = 0x00000000U;
    base->LINTOCR = 0x00000E2CU;
    base->LINIBRR = 0x00000000U;
    base->LINFBRR = 0x00000000U;
    base->LINSR = 0xFFFFFFFFU;
    base->LINCR1 = 0x00000082U;
}

/*! @} */

#if defined(__cplusplus)
}
#endif

#endif /* LINFlexD_HW_ACCESS_H */
