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Diff: TARGET_KL43Z/TOOLCHAIN_ARM_STD/fsl_flexio_uart.h
- Revision:
- 171:3a7713b1edbc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_KL43Z/TOOLCHAIN_ARM_STD/fsl_flexio_uart.h Thu Nov 08 11:45:42 2018 +0000 @@ -0,0 +1,586 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * o Redistributions of source code must retain the above copyright notice, this list + * of conditions and the following disclaimer. + * + * o 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. + * + * o Neither the name of Freescale Semiconductor, Inc. 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. + */ + +#ifndef _FSL_FLEXIO_UART_H_ +#define _FSL_FLEXIO_UART_H_ + +#include "fsl_common.h" +#include "fsl_flexio.h" + +/*! + * @addtogroup flexio_uart + * @{ + */ + +/*! @file */ + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +/*! @brief FlexIO UART driver version 2.1.0. */ +#define FSL_FLEXIO_UART_DRIVER_VERSION (MAKE_VERSION(2, 1, 0)) +/*@}*/ + +/*! @brief Error codes for the UART driver. */ +enum _flexio_uart_status +{ + kStatus_FLEXIO_UART_TxBusy = MAKE_STATUS(kStatusGroup_FLEXIO_UART, 0), /*!< Transmitter is busy. */ + kStatus_FLEXIO_UART_RxBusy = MAKE_STATUS(kStatusGroup_FLEXIO_UART, 1), /*!< Receiver is busy. */ + kStatus_FLEXIO_UART_TxIdle = MAKE_STATUS(kStatusGroup_FLEXIO_UART, 2), /*!< UART transmitter is idle. */ + kStatus_FLEXIO_UART_RxIdle = MAKE_STATUS(kStatusGroup_FLEXIO_UART, 3), /*!< UART receiver is idle. */ + kStatus_FLEXIO_UART_ERROR = MAKE_STATUS(kStatusGroup_FLEXIO_UART, 4), /*!< ERROR happens on UART. */ + kStatus_FLEXIO_UART_RxRingBufferOverrun = + MAKE_STATUS(kStatusGroup_FLEXIO_UART, 5), /*!< UART RX software ring buffer overrun. */ + kStatus_FLEXIO_UART_RxHardwareOverrun = MAKE_STATUS(kStatusGroup_FLEXIO_UART, 6) /*!< UART RX receiver overrun. */ +}; + +/*! @brief FlexIO UART bit count per char. */ +typedef enum _flexio_uart_bit_count_per_char +{ + kFLEXIO_UART_7BitsPerChar = 7U, /*!< 7-bit data characters */ + kFLEXIO_UART_8BitsPerChar = 8U, /*!< 8-bit data characters */ + kFLEXIO_UART_9BitsPerChar = 9U, /*!< 9-bit data characters */ +} flexio_uart_bit_count_per_char_t; + +/*! @brief Define FlexIO UART interrupt mask. */ +enum _flexio_uart_interrupt_enable +{ + kFLEXIO_UART_TxDataRegEmptyInterruptEnable = 0x1U, /*!< Transmit buffer empty interrupt enable. */ + kFLEXIO_UART_RxDataRegFullInterruptEnable = 0x2U, /*!< Receive buffer full interrupt enable. */ +}; + +/*! @brief Define FlexIO UART status mask. */ +enum _flexio_uart_status_flags +{ + kFLEXIO_UART_TxDataRegEmptyFlag = 0x1U, /*!< Transmit buffer empty flag. */ + kFLEXIO_UART_RxDataRegFullFlag = 0x2U, /*!< Receive buffer full flag. */ + kFLEXIO_UART_RxOverRunFlag = 0x4U, /*!< Receive buffer over run flag. */ +}; + +/*! @brief Define FlexIO UART access structure typedef. */ +typedef struct _flexio_uart_type +{ + FLEXIO_Type *flexioBase; /*!< FlexIO base pointer. */ + uint8_t TxPinIndex; /*!< Pin select for UART_Tx. */ + uint8_t RxPinIndex; /*!< Pin select for UART_Rx. */ + uint8_t shifterIndex[2]; /*!< Shifter index used in FlexIO UART. */ + uint8_t timerIndex[2]; /*!< Timer index used in FlexIO UART. */ +} FLEXIO_UART_Type; + +/*! @brief Define FlexIO UART user configuration structure. */ +typedef struct _flexio_uart_config +{ + bool enableUart; /*!< Enable/disable FlexIO UART TX & RX. */ + 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. */ + uint32_t baudRate_Bps; /*!< Baud rate in Bps. */ + flexio_uart_bit_count_per_char_t bitCountPerChar; /*!< number of bits, 7/8/9 -bit */ +} flexio_uart_config_t; + +/*! @brief Define FlexIO UART transfer structure. */ +typedef struct _flexio_uart_transfer +{ + uint8_t *data; /*!< Transfer buffer*/ + size_t dataSize; /*!< Transfer size*/ +} flexio_uart_transfer_t; + +/* Forward declaration of the handle typedef. */ +typedef struct _flexio_uart_handle flexio_uart_handle_t; + +/*! @brief FlexIO UART transfer callback function. */ +typedef void (*flexio_uart_transfer_callback_t)(FLEXIO_UART_Type *base, + flexio_uart_handle_t *handle, + status_t status, + void *userData); + +/*! @brief Define FLEXIO UART handle structure*/ +struct _flexio_uart_handle +{ + uint8_t *volatile txData; /*!< Address of remaining data to send. */ + volatile size_t txDataSize; /*!< Size of the remaining data to send. */ + uint8_t *volatile rxData; /*!< Address of remaining data to receive. */ + volatile size_t rxDataSize; /*!< Size of the remaining data to receive. */ + size_t txSize; /*!< Total bytes to be sent. */ + size_t rxSize; /*!< Total bytes to be received. */ + + uint8_t *rxRingBuffer; /*!< Start address of the receiver ring buffer. */ + size_t rxRingBufferSize; /*!< Size of the ring buffer. */ + volatile uint16_t rxRingBufferHead; /*!< Index for the driver to store received data into ring buffer. */ + volatile uint16_t rxRingBufferTail; /*!< Index for the user to get data from the ring buffer. */ + + flexio_uart_transfer_callback_t callback; /*!< Callback function. */ + void *userData; /*!< UART callback function parameter.*/ + + volatile uint8_t txState; /*!< TX transfer state. */ + volatile uint8_t rxState; /*!< RX transfer state */ +}; + +/******************************************************************************* + * API + ******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif /*_cplusplus*/ + +/*! + * @name Initialization and deinitialization + * @{ + */ + +/*! + * @brief Ungates the FlexIO clock, resets the FlexIO module, configures FlexIO UART + * hardware, and configures the FlexIO UART with FlexIO UART configuration. + * The configuration structure can be filled by the user, or be set with + * default values by FLEXIO_UART_GetDefaultConfig(). + * + * Example + @code + FLEXIO_UART_Type base = { + .flexioBase = FLEXIO, + .TxPinIndex = 0, + .RxPinIndex = 1, + .shifterIndex = {0,1}, + .timerIndex = {0,1} + }; + flexio_uart_config_t config = { + .enableInDoze = false, + .enableInDebug = true, + .enableFastAccess = false, + .baudRate_Bps = 115200U, + .bitCountPerChar = 8 + }; + FLEXIO_UART_Init(base, &config, srcClock_Hz); + @endcode + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param userConfig Pointer to the flexio_uart_config_t structure. + * @param srcClock_Hz FlexIO source clock in Hz. +*/ +void FLEXIO_UART_Init(FLEXIO_UART_Type *base, const flexio_uart_config_t *userConfig, uint32_t srcClock_Hz); + +/*! + * @brief Disables the FlexIO UART and gates the FlexIO clock. + * + * @note After calling this API, call the FLEXO_UART_Init to use the FlexIO UART module. + * + * @param base pointer to FLEXIO_UART_Type structure +*/ +void FLEXIO_UART_Deinit(FLEXIO_UART_Type *base); + +/*! + * @brief Gets the default configuration to configure the FlexIO UART. The configuration + * can be used directly for calling the FLEXIO_UART_Init(). + * Example: + @code + flexio_uart_config_t config; + FLEXIO_UART_GetDefaultConfig(&userConfig); + @endcode + * @param userConfig Pointer to the flexio_uart_config_t structure. +*/ +void FLEXIO_UART_GetDefaultConfig(flexio_uart_config_t *userConfig); + +/* @} */ + +/*! + * @name Status + * @{ + */ + +/*! + * @brief Gets the FlexIO UART status flags. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @return FlexIO UART status flags. +*/ + +uint32_t FLEXIO_UART_GetStatusFlags(FLEXIO_UART_Type *base); + +/*! + * @brief Gets the FlexIO UART status flags. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param mask Status flag. + * The parameter can be any combination of the following values: + * @arg kFLEXIO_UART_TxDataRegEmptyFlag + * @arg kFLEXIO_UART_RxEmptyFlag + * @arg kFLEXIO_UART_RxOverRunFlag +*/ + +void FLEXIO_UART_ClearStatusFlags(FLEXIO_UART_Type *base, uint32_t mask); + +/* @} */ + +/*! + * @name Interrupts + * @{ + */ + +/*! + * @brief Enables the FlexIO UART interrupt. + * + * This function enables the FlexIO UART interrupt. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param mask Interrupt source. + */ +void FLEXIO_UART_EnableInterrupts(FLEXIO_UART_Type *base, uint32_t mask); + +/*! + * @brief Disables the FlexIO UART interrupt. + * + * This function disables the FlexIO UART interrupt. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param mask Interrupt source. + */ +void FLEXIO_UART_DisableInterrupts(FLEXIO_UART_Type *base, uint32_t mask); + +/* @} */ + +/*! + * @name DMA Control + * @{ + */ + +/*! + * @brief Gets the FlexIO UARt transmit data register address. + * + * This function returns the UART data register address, which is mainly used by DMA/eDMA. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @return FlexIO UART transmit data register address. + */ +static inline uint32_t FLEXIO_UART_GetTxDataRegisterAddress(FLEXIO_UART_Type *base) +{ + return FLEXIO_GetShifterBufferAddress(base->flexioBase, kFLEXIO_ShifterBuffer, base->shifterIndex[0]); +} + +/*! + * @brief Gets the FlexIO UART receive data register address. + * + * This function returns the UART data register address, which is mainly used by DMA/eDMA. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @return FlexIO UART receive data register address. + */ +static inline uint32_t FLEXIO_UART_GetRxDataRegisterAddress(FLEXIO_UART_Type *base) +{ + return FLEXIO_GetShifterBufferAddress(base->flexioBase, kFLEXIO_ShifterBufferByteSwapped, base->shifterIndex[1]); +} + +/*! + * @brief Enables/disables the FlexIO UART transmit DMA. + * This function enables/disables the FlexIO UART Tx DMA, + * which means asserting the kFLEXIO_UART_TxDataRegEmptyFlag does/doesn't trigger the DMA request. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param enable True to enable, false to disable. + */ +static inline void FLEXIO_UART_EnableTxDMA(FLEXIO_UART_Type *base, bool enable) +{ + FLEXIO_EnableShifterStatusDMA(base->flexioBase, 1 << base->shifterIndex[0], enable); +} + +/*! + * @brief Enables/disables the FlexIO UART receive DMA. + * This function enables/disables the FlexIO UART Rx DMA, + * which means asserting kFLEXIO_UART_RxDataRegFullFlag does/doesn't trigger the DMA request. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param enable True to enable, false to disable. + */ +static inline void FLEXIO_UART_EnableRxDMA(FLEXIO_UART_Type *base, bool enable) +{ + FLEXIO_EnableShifterStatusDMA(base->flexioBase, 1 << base->shifterIndex[1], enable); +} + +/* @} */ + +/*! + * @name Bus Operations + * @{ + */ + +/*! + * @brief Enables/disables the FlexIO UART module operation. + * + * @param base Pointer to the FLEXIO_UART_Type. + * @param enable True to enable, false to disable. +*/ +static inline void FLEXIO_UART_Enable(FLEXIO_UART_Type *base, bool enable) +{ + if (enable) + { + base->flexioBase->CTRL |= FLEXIO_CTRL_FLEXEN_MASK; + } + else + { + base->flexioBase->CTRL &= ~FLEXIO_CTRL_FLEXEN_MASK; + } +} + +/*! + * @brief Writes one byte of data. + * + * @note This is a non-blocking API, which returns directly after the data is put into the + * data register. Ensure that the TxEmptyFlag is asserted before calling + * this API. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param buffer The data bytes to send. + */ +static inline void FLEXIO_UART_WriteByte(FLEXIO_UART_Type *base, const uint8_t *buffer) +{ + base->flexioBase->SHIFTBUF[base->shifterIndex[0]] = *buffer; +} + +/*! + * @brief Reads one byte of data. + * + * @note This is a non-blocking API, which returns directly after the data is read from the + * data register. Ensure that the RxFullFlag is asserted before calling this API. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param buffer The buffer to store the received bytes. + */ +static inline void FLEXIO_UART_ReadByte(FLEXIO_UART_Type *base, uint8_t *buffer) +{ + *buffer = base->flexioBase->SHIFTBUFBYS[base->shifterIndex[1]]; +} + +/*! + * @brief Sends a buffer of data bytes. + * + * @note This function blocks using the polling method until all bytes have been sent. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param txData The data bytes to send. + * @param txSize The number of data bytes to send. + */ +void FLEXIO_UART_WriteBlocking(FLEXIO_UART_Type *base, const uint8_t *txData, size_t txSize); + +/*! + * @brief Receives a buffer of bytes. + * + * @note This function blocks using the polling method until all bytes have been received. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param rxData The buffer to store the received bytes. + * @param rxSize The number of data bytes to be received. + */ +void FLEXIO_UART_ReadBlocking(FLEXIO_UART_Type *base, uint8_t *rxData, size_t rxSize); + +/* @} */ + +/*! + * @name Transactional + * @{ + */ + +/*! + * @brief Initializes the UART handle. + * + * This function initializes the FlexIO UART handle, which can be used for other FlexIO + * UART transactional APIs. Call this API once to get the + * initialized handle. + * + * The UART driver supports the "background" receiving, which means that user can set up + * a RX ring buffer optionally. Data received is stored into the ring buffer even when + * the user doesn't call the FLEXIO_UART_TransferReceiveNonBlocking() API. If there is already data + * received in the ring buffer, user can get the received data from the ring buffer + * directly. The ring buffer is disabled if passing NULL as @p ringBuffer. + * + * @param base to FLEXIO_UART_Type structure. + * @param handle Pointer to the flexio_uart_handle_t structure to store the transfer state. + * @param callback The callback function. + * @param userData The parameter of the callback function. + * @retval kStatus_Success Successfully create the handle. + * @retval kStatus_OutOfRange The FlexIO type/handle/ISR table out of range. + */ +status_t FLEXIO_UART_TransferCreateHandle(FLEXIO_UART_Type *base, + flexio_uart_handle_t *handle, + flexio_uart_transfer_callback_t callback, + void *userData); + +/*! + * @brief Sets up the RX ring buffer. + * + * This function sets up the RX ring buffer to a specific UART handle. + * + * When the RX ring buffer is used, data received is stored into the ring buffer even when + * the user doesn't call the UART_ReceiveNonBlocking() API. If there are already data received + * in the ring buffer, user can get the received data from the ring buffer directly. + * + * @note When using the RX ring buffer, one byte is reserved for internal use. In other + * words, if @p ringBufferSize is 32, only 31 bytes are used for saving data. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param handle Pointer to the flexio_uart_handle_t structure to store the transfer state. + * @param ringBuffer Start address of ring buffer for background receiving. Pass NULL to disable the ring buffer. + * @param ringBufferSize Size of the ring buffer. + */ +void FLEXIO_UART_TransferStartRingBuffer(FLEXIO_UART_Type *base, + flexio_uart_handle_t *handle, + uint8_t *ringBuffer, + size_t ringBufferSize); + +/*! + * @brief Aborts the background transfer and uninstalls the ring buffer. + * + * This function aborts the background transfer and uninstalls the ring buffer. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param handle Pointer to the flexio_uart_handle_t structure to store the transfer state. + */ +void FLEXIO_UART_StopRingBuffer(FLEXIO_UART_Type *base, flexio_uart_handle_t *handle); + +/*! + * @brief Transmits a buffer of data using the interrupt method. + * + * This function sends data using an interrupt method. This is a non-blocking function, + * which returns directly without waiting for all data to be written to the TX register. When + * all data are written to TX register in ISR, the FlexIO UART driver calls the callback + * function and passes the @ref kStatus_FLEXIO_UART_TxIdle as status parameter. + * + * @note The kStatus_FLEXIO_UART_TxIdle is passed to the upper layer when all data is written + * to the TX register. However, it does not ensure that all data is sent out. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param handle Pointer to the flexio_uart_handle_t structure to store the transfer state. + * @param xfer FlexIO UART transfer structure. See #flexio_uart_transfer_t. + * @retval kStatus_Success Successfully starts the data transmission. + * @retval kStatus_UART_TxBusy Previous transmission still not finished, data not written to the TX register. + */ +status_t FLEXIO_UART_TransferSendNonBlocking(FLEXIO_UART_Type *base, + flexio_uart_handle_t *handle, + flexio_uart_transfer_t *xfer); + +/*! + * @brief Aborts the interrupt-driven data transmit. + * + * This function aborts the interrupt-driven data sending. Get the remainBytes to know + * how many bytes are still not sent out. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param handle Pointer to the flexio_uart_handle_t structure to store the transfer state. + */ +void FLEXIO_UART_TransferAbortSend(FLEXIO_UART_Type *base, flexio_uart_handle_t *handle); + +/*! + * @brief Gets the number of remaining bytes not sent. + * + * This function gets the number of remaining bytes not sent driven by interrupt. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param handle Pointer to the flexio_uart_handle_t structure to store the transfer state. + * @param count Number of bytes sent so far by the non-blocking transaction. + * @retval kStatus_InvalidArgument count is Invalid. + * @retval kStatus_Success Successfully return the count. + */ +status_t FLEXIO_UART_TransferGetSendCount(FLEXIO_UART_Type *base, flexio_uart_handle_t *handle, size_t *count); + +/*! + * @brief Receives a buffer of data using the interrupt method. + * + * This function receives data using the interrupt method. This is a non-blocking function, + * which returns without waiting for all data to be received. + * If the RX ring buffer is used and not empty, the data in ring buffer is copied and + * the parameter @p receivedBytes shows how many bytes are copied from the ring buffer. + * After copying, if the data in ring buffer is not enough to read, the receive + * request is saved by the UART driver. When new data arrives, the receive request + * is serviced first. When all data is received, the UART driver notifies the upper layer + * through a callback function and passes the status parameter @ref kStatus_UART_RxIdle. + * For example, if the upper layer needs 10 bytes but there are only 5 bytes in the ring buffer, + * the 5 bytes are copied to xfer->data. This function returns with the + * parameter @p receivedBytes set to 5. For the last 5 bytes, newly arrived data is + * saved from the xfer->data[5]. When 5 bytes are received, the UART driver notifies upper layer. + * If the RX ring buffer is not enabled, this function enables the RX and RX interrupt + * to receive data to xfer->data. When all data is received, the upper layer is notified. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param handle Pointer to the flexio_uart_handle_t structure to store the transfer state. + * @param xfer UART transfer structure. See #flexio_uart_transfer_t. + * @param receivedBytes Bytes received from the ring buffer directly. + * @retval kStatus_Success Successfully queue the transfer into the transmit queue. + * @retval kStatus_FLEXIO_UART_RxBusy Previous receive request is not finished. + */ +status_t FLEXIO_UART_TransferReceiveNonBlocking(FLEXIO_UART_Type *base, + flexio_uart_handle_t *handle, + flexio_uart_transfer_t *xfer, + size_t *receivedBytes); + +/*! + * @brief Aborts the receive data which was using IRQ. + * + * This function aborts the receive data which was using IRQ. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param handle Pointer to the flexio_uart_handle_t structure to store the transfer state. + */ +void FLEXIO_UART_TransferAbortReceive(FLEXIO_UART_Type *base, flexio_uart_handle_t *handle); + +/*! + * @brief Gets the number of remaining bytes not received. + * + * This function gets the number of remaining bytes not received driven by interrupt. + * + * @param base Pointer to the FLEXIO_UART_Type structure. + * @param handle Pointer to the flexio_uart_handle_t structure to store the transfer state. + * @param count Number of bytes received so far by the non-blocking transaction. + * @retval kStatus_InvalidArgument count is Invalid. + * @retval kStatus_Success Successfully return the count. + */ +status_t FLEXIO_UART_TransferGetReceiveCount(FLEXIO_UART_Type *base, flexio_uart_handle_t *handle, size_t *count); + +/*! + * @brief FlexIO UART IRQ handler function. + * + * This function processes the FlexIO UART transmit and receives the IRQ request. + * + * @param uartType Pointer to the FLEXIO_UART_Type structure. + * @param uartHandle Pointer to the flexio_uart_handle_t structure to store the transfer state. + */ +void FLEXIO_UART_TransferHandleIRQ(void *uartType, void *uartHandle); + +/*@}*/ + +#if defined(__cplusplus) +} +#endif /*_cplusplus*/ +/*@}*/ + +#endif /*_FSL_FLEXIO_UART_H_*/