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Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
Diff: mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/drivers/fsl_flexio_i2s.h
- Revision:
- 0:8fdf9a60065b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/drivers/fsl_flexio_i2s.h Wed Oct 10 00:33:53 2018 +0000 @@ -0,0 +1,569 @@ +/* + * 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_I2S_H_ +#define _FSL_FLEXIO_I2S_H_ + +#include "fsl_common.h" +#include "fsl_flexio.h" + +/*! + * @addtogroup flexio_i2s + * @{ + */ + + +/******************************************************************************* + * Definitions + ******************************************************************************/ + +/*! @name Driver version */ +/*@{*/ +/*! @brief FlexIO I2S driver version 2.1.0. */ +#define FSL_FLEXIO_I2S_DRIVER_VERSION (MAKE_VERSION(2, 1, 1)) +/*@}*/ + +/*! @brief FlexIO I2S transfer status */ +enum _flexio_i2s_status +{ + kStatus_FLEXIO_I2S_Idle = MAKE_STATUS(kStatusGroup_FLEXIO_I2S, 0), /*!< FlexIO I2S is in idle state */ + kStatus_FLEXIO_I2S_TxBusy = MAKE_STATUS(kStatusGroup_FLEXIO_I2S, 1), /*!< FlexIO I2S Tx is busy */ + kStatus_FLEXIO_I2S_RxBusy = MAKE_STATUS(kStatusGroup_FLEXIO_I2S, 2), /*!< FlexIO I2S Tx is busy */ + kStatus_FLEXIO_I2S_Error = MAKE_STATUS(kStatusGroup_FLEXIO_I2S, 3), /*!< FlexIO I2S error occurred */ + kStatus_FLEXIO_I2S_QueueFull = MAKE_STATUS(kStatusGroup_FLEXIO_I2S, 4), /*!< FlexIO I2S transfer queue is full. */ +}; + +/*! @brief Define FlexIO I2S access structure typedef */ +typedef struct _flexio_i2s_type +{ + FLEXIO_Type *flexioBase; /*!< FlexIO base pointer */ + uint8_t txPinIndex; /*!< Tx data pin index in FlexIO pins */ + uint8_t rxPinIndex; /*!< Rx data pin index */ + uint8_t bclkPinIndex; /*!< Bit clock pin index */ + uint8_t fsPinIndex; /*!< Frame sync pin index */ + uint8_t txShifterIndex; /*!< Tx data shifter index */ + uint8_t rxShifterIndex; /*!< Rx data shifter index */ + uint8_t bclkTimerIndex; /*!< Bit clock timer index */ + uint8_t fsTimerIndex; /*!< Frame sync timer index */ +} FLEXIO_I2S_Type; + +/*! @brief Master or slave mode */ +typedef enum _flexio_i2s_master_slave +{ + kFLEXIO_I2S_Master = 0x0U, /*!< Master mode */ + kFLEXIO_I2S_Slave = 0x1U /*!< Slave mode */ +} flexio_i2s_master_slave_t; + +/*! @brief Define FlexIO FlexIO I2S interrupt mask. */ +enum _flexio_i2s_interrupt_enable +{ + kFLEXIO_I2S_TxDataRegEmptyInterruptEnable = 0x1U, /*!< Transmit buffer empty interrupt enable. */ + kFLEXIO_I2S_RxDataRegFullInterruptEnable = 0x2U, /*!< Receive buffer full interrupt enable. */ +}; + +/*! @brief Define FlexIO FlexIO I2S status mask. */ +enum _flexio_i2s_status_flags +{ + kFLEXIO_I2S_TxDataRegEmptyFlag = 0x1U, /*!< Transmit buffer empty flag. */ + kFLEXIO_I2S_RxDataRegFullFlag = 0x2U, /*!< Receive buffer full flag. */ +}; + +/*! @brief FlexIO I2S configure structure */ +typedef struct _flexio_i2s_config +{ + bool enableI2S; /*!< Enable FlexIO I2S */ + flexio_i2s_master_slave_t masterSlave; /*!< Master or slave */ +} flexio_i2s_config_t; + +/*! @brief FlexIO I2S audio format, FlexIO I2S only support the same format in Tx and Rx */ +typedef struct _flexio_i2s_format +{ + uint8_t bitWidth; /*!< Bit width of audio data, always 8/16/24/32 bits */ + uint32_t sampleRate_Hz; /*!< Sample rate of the audio data */ +} flexio_i2s_format_t; + +/*!@brief FlexIO I2S transfer queue size, user can refine it according to use case. */ +#define FLEXIO_I2S_XFER_QUEUE_SIZE (4) + +/*! @brief Audio sample rate */ +typedef enum _flexio_i2s_sample_rate +{ + kFLEXIO_I2S_SampleRate8KHz = 8000U, /*!< Sample rate 8000Hz */ + kFLEXIO_I2S_SampleRate11025Hz = 11025U, /*!< Sample rate 11025Hz */ + kFLEXIO_I2S_SampleRate12KHz = 12000U, /*!< Sample rate 12000Hz */ + kFLEXIO_I2S_SampleRate16KHz = 16000U, /*!< Sample rate 16000Hz */ + kFLEXIO_I2S_SampleRate22050Hz = 22050U, /*!< Sample rate 22050Hz */ + kFLEXIO_I2S_SampleRate24KHz = 24000U, /*!< Sample rate 24000Hz */ + kFLEXIO_I2S_SampleRate32KHz = 32000U, /*!< Sample rate 32000Hz */ + kFLEXIO_I2S_SampleRate44100Hz = 44100U, /*!< Sample rate 44100Hz */ + kFLEXIO_I2S_SampleRate48KHz = 48000U, /*!< Sample rate 48000Hz */ + kFLEXIO_I2S_SampleRate96KHz = 96000U /*!< Sample rate 96000Hz */ +} flexio_i2s_sample_rate_t; + +/*! @brief Audio word width */ +typedef enum _flexio_i2s_word_width +{ + kFLEXIO_I2S_WordWidth8bits = 8U, /*!< Audio data width 8 bits */ + kFLEXIO_I2S_WordWidth16bits = 16U, /*!< Audio data width 16 bits */ + kFLEXIO_I2S_WordWidth24bits = 24U, /*!< Audio data width 24 bits */ + kFLEXIO_I2S_WordWidth32bits = 32U /*!< Audio data width 32 bits */ +} flexio_i2s_word_width_t; + +/*! @brief Define FlexIO I2S transfer structure. */ +typedef struct _flexio_i2s_transfer +{ + uint8_t *data; /*!< Data buffer start pointer */ + size_t dataSize; /*!< Bytes to be transferred. */ +} flexio_i2s_transfer_t; + +typedef struct _flexio_i2s_handle flexio_i2s_handle_t; + +/*! @brief FlexIO I2S xfer callback prototype */ +typedef void (*flexio_i2s_callback_t)(FLEXIO_I2S_Type *base, + flexio_i2s_handle_t *handle, + status_t status, + void *userData); + +/*! @brief Define FlexIO I2S handle structure. */ +struct _flexio_i2s_handle +{ + uint32_t state; /*!< Internal state */ + flexio_i2s_callback_t callback; /*!< Callback function called at transfer event*/ + void *userData; /*!< Callback parameter passed to callback function*/ + uint8_t bitWidth; /*!< Bit width for transfer, 8/16/24/32bits */ + flexio_i2s_transfer_t queue[FLEXIO_I2S_XFER_QUEUE_SIZE]; /*!< Transfer queue storing queued transfer */ + size_t transferSize[FLEXIO_I2S_XFER_QUEUE_SIZE]; /*!< Data bytes need to transfer */ + volatile uint8_t queueUser; /*!< Index for user to queue transfer */ + volatile uint8_t queueDriver; /*!< Index for driver to get the transfer data and size */ +}; + +/******************************************************************************* + * API + ******************************************************************************/ + +#if defined(__cplusplus) +extern "C" { +#endif /*_cplusplus*/ + +/*! + * @name Initialization and deinitialization + * @{ + */ + +/*! + * @brief Initializes the FlexIO I2S. + * + * This API configures FlexIO pins and shifter to I2S and configures the FlexIO I2S with a configuration structure. + * The configuration structure can be filled by the user, or be set with default values by + * FLEXIO_I2S_GetDefaultConfig(). + * + * @note This API should be called at the beginning of the application to use + * the FlexIO I2S driver. Otherwise, any access to the FlexIO I2S module can cause hard fault + * because the clock is not enabled. + * + * @param base FlexIO I2S base pointer + * @param config FlexIO I2S configure structure. +*/ +void FLEXIO_I2S_Init(FLEXIO_I2S_Type *base, const flexio_i2s_config_t *config); + +/*! + * @brief Sets the FlexIO I2S configuration structure to default values. + * + * The purpose of this API is to get the configuration structure initialized for use in FLEXIO_I2S_Init(). + * Users may use the initialized structure unchanged in FLEXIO_I2S_Init() or modify + * some fields of the structure before calling FLEXIO_I2S_Init(). + * + * @param config pointer to master configuration structure + */ +void FLEXIO_I2S_GetDefaultConfig(flexio_i2s_config_t *config); + +/*! + * @brief De-initializes the FlexIO I2S. + * + * Calling this API gates the FlexIO i2s clock. After calling this API, call the FLEXO_I2S_Init to use the + * FlexIO I2S module. + * + * @param base FlexIO I2S base pointer +*/ +void FLEXIO_I2S_Deinit(FLEXIO_I2S_Type *base); + +/*! + * @brief Enables/disables the FlexIO I2S module operation. + * + * @param base Pointer to FLEXIO_I2S_Type + * @param enable True to enable, false to disable. +*/ +static inline void FLEXIO_I2S_Enable(FLEXIO_I2S_Type *base, bool enable) +{ + if (enable) + { + base->flexioBase->CTRL |= FLEXIO_CTRL_FLEXEN_MASK; + } + else + { + base->flexioBase->CTRL &= ~FLEXIO_CTRL_FLEXEN_MASK; + } +} + +/*! @} */ + +/*! + * @name Status + * @{ + */ + +/*! + * @brief Gets the FlexIO I2S status flags. + * + * @param base Pointer to FLEXIO_I2S_Type structure + * @return Status flag, which are ORed by the enumerators in the _flexio_i2s_status_flags. +*/ +uint32_t FLEXIO_I2S_GetStatusFlags(FLEXIO_I2S_Type *base); + +/*! @} */ + +/*! + * @name Interrupts + * @{ + */ + +/*! + * @brief Enables the FlexIO I2S interrupt. + * + * This function enables the FlexIO UART interrupt. + * + * @param base Pointer to FLEXIO_I2S_Type structure + * @param mask interrupt source + */ +void FLEXIO_I2S_EnableInterrupts(FLEXIO_I2S_Type *base, uint32_t mask); + +/*! + * @brief Disables the FlexIO I2S interrupt. + * + * This function enables the FlexIO UART interrupt. + * + * @param base pointer to FLEXIO_I2S_Type structure + * @param mask interrupt source + */ +void FLEXIO_I2S_DisableInterrupts(FLEXIO_I2S_Type *base, uint32_t mask); + +/*! @} */ + +/*! + * @name DMA Control + * @{ + */ + +/*! + * @brief Enables/disables the FlexIO I2S Tx DMA requests. + * + * @param base FlexIO I2S base pointer + * @param enable True means enable DMA, false means disable DMA. + */ +static inline void FLEXIO_I2S_TxEnableDMA(FLEXIO_I2S_Type *base, bool enable) +{ + FLEXIO_EnableShifterStatusDMA(base->flexioBase, 1 << base->txShifterIndex, enable); +} + +/*! + * @brief Enables/disables the FlexIO I2S Rx DMA requests. + * + * @param base FlexIO I2S base pointer + * @param enable True means enable DMA, false means disable DMA. + */ +static inline void FLEXIO_I2S_RxEnableDMA(FLEXIO_I2S_Type *base, bool enable) +{ + FLEXIO_EnableShifterStatusDMA(base->flexioBase, 1 << base->rxShifterIndex, enable); +} + +/*! + * @brief Gets the FlexIO I2S send data register address. + * + * This function returns the I2S data register address, mainly used by DMA/eDMA. + * + * @param base Pointer to FLEXIO_I2S_Type structure + * @return FlexIO i2s send data register address. + */ +static inline uint32_t FLEXIO_I2S_TxGetDataRegisterAddress(FLEXIO_I2S_Type *base) +{ + return FLEXIO_GetShifterBufferAddress(base->flexioBase, kFLEXIO_ShifterBufferBitSwapped, base->txShifterIndex); +} + +/*! + * @brief Gets the FlexIO I2S receive data register address. + * + * This function returns the I2S data register address, mainly used by DMA/eDMA. + * + * @param base Pointer to FLEXIO_I2S_Type structure + * @return FlexIO i2s receive data register address. + */ +static inline uint32_t FLEXIO_I2S_RxGetDataRegisterAddress(FLEXIO_I2S_Type *base) +{ + return FLEXIO_GetShifterBufferAddress(base->flexioBase, kFLEXIO_ShifterBufferBitSwapped, base->rxShifterIndex); +} + +/*! @} */ + +/*! + * @name Bus Operations + * @{ + */ + +/*! + * @brief Configures the FlexIO I2S audio format in master mode. + * + * Audio format can be changed in run-time of FlexIO I2S. This function configures the sample rate and audio data + * format to be transferred. + * + * @param base Pointer to FLEXIO_I2S_Type structure + * @param format Pointer to FlexIO I2S audio data format structure. + * @param srcClock_Hz I2S master clock source frequency in Hz. +*/ +void FLEXIO_I2S_MasterSetFormat(FLEXIO_I2S_Type *base, flexio_i2s_format_t *format, uint32_t srcClock_Hz); + +/*! + * @brief Configures the FlexIO I2S audio format in slave mode. + * + * Audio format can be changed in run-time of FlexIO I2S. This function configures the sample rate and audio data + * format to be transferred. + * + * @param base Pointer to FLEXIO_I2S_Type structure + * @param format Pointer to FlexIO I2S audio data format structure. +*/ +void FLEXIO_I2S_SlaveSetFormat(FLEXIO_I2S_Type *base, flexio_i2s_format_t *format); + +/*! + * @brief Sends data using a blocking method. + * + * @note This function blocks via polling until data is ready to be sent. + * + * @param base FlexIO I2S base pointer. + * @param bitWidth How many bits in a audio word, usually 8/16/24/32 bits. + * @param txData Pointer to the data to be written. + * @param size Bytes to be written. + */ +void FLEXIO_I2S_WriteBlocking(FLEXIO_I2S_Type *base, uint8_t bitWidth, uint8_t *txData, size_t size); + +/*! + * @brief Writes data into a data register. + * + * @param base FlexIO I2S base pointer. + * @param bitWidth How many bits in a audio word, usually 8/16/24/32 bits. + * @param data Data to be written. + */ +static inline void FLEXIO_I2S_WriteData(FLEXIO_I2S_Type *base, uint8_t bitWidth, uint32_t data) +{ + base->flexioBase->SHIFTBUFBIS[base->txShifterIndex] = (data << (32U - bitWidth)); +} + +/*! + * @brief Receives a piece of data using a blocking method. + * + * @note This function blocks via polling until data is ready to be sent. + * + * @param base FlexIO I2S base pointer + * @param bitWidth How many bits in a audio word, usually 8/16/24/32 bits. + * @param rxData Pointer to the data to be read. + * @param size Bytes to be read. + */ +void FLEXIO_I2S_ReadBlocking(FLEXIO_I2S_Type *base, uint8_t bitWidth, uint8_t *rxData, size_t size); + +/*! + * @brief Reads a data from the data register. + * + * @param base FlexIO I2S base pointer + * @return Data read from data register. + */ +static inline uint32_t FLEXIO_I2S_ReadData(FLEXIO_I2S_Type *base) +{ + return base->flexioBase->SHIFTBUFBIS[base->rxShifterIndex]; +} + +/*! @} */ + +/*! + * @name Transactional + * @{ + */ + +/*! + * @brief Initializes the FlexIO I2S handle. + * + * This function initializes the FlexIO I2S handle which can be used for other + * FlexIO I2S transactional APIs. Call this API once to get the + * initialized handle. + * + * @param base Pointer to FLEXIO_I2S_Type structure + * @param handle Pointer to flexio_i2s_handle_t structure to store the transfer state. + * @param callback FlexIO I2S callback function, which is called while finished a block. + * @param userData User parameter for the FlexIO I2S callback. + */ +void FLEXIO_I2S_TransferTxCreateHandle(FLEXIO_I2S_Type *base, + flexio_i2s_handle_t *handle, + flexio_i2s_callback_t callback, + void *userData); + +/*! + * @brief Configures the FlexIO I2S audio format. + * + * Audio format can be changed at run-time of FlexIO I2S. This function configures the sample rate and audio data + * format to be transferred. + * + * @param base Pointer to FLEXIO_I2S_Type structure. + * @param handle FlexIO I2S handle pointer. + * @param format Pointer to audio data format structure. + * @param srcClock_Hz FlexIO I2S bit clock source frequency in Hz. This parameter should be 0 while in slave mode. +*/ +void FLEXIO_I2S_TransferSetFormat(FLEXIO_I2S_Type *base, + flexio_i2s_handle_t *handle, + flexio_i2s_format_t *format, + uint32_t srcClock_Hz); + +/*! + * @brief Initializes the FlexIO I2S receive handle. + * + * This function initializes the FlexIO I2S handle which can be used for other + * FlexIO I2S transactional APIs. Call this API once to get the + * initialized handle. + * + * @param base Pointer to FLEXIO_I2S_Type structure. + * @param handle Pointer to flexio_i2s_handle_t structure to store the transfer state. + * @param callback FlexIO I2S callback function, which is called while finished a block. + * @param userData User parameter for the FlexIO I2S callback. + */ +void FLEXIO_I2S_TransferRxCreateHandle(FLEXIO_I2S_Type *base, + flexio_i2s_handle_t *handle, + flexio_i2s_callback_t callback, + void *userData); + +/*! + * @brief Performs an interrupt non-blocking send transfer on FlexIO I2S. + * + * @note The API returns immediately after transfer initiates. + * Call FLEXIO_I2S_GetRemainingBytes to poll the transfer status and check whether + * the transfer is finished. If the return status is 0, the transfer is finished. + * + * @param base Pointer to FLEXIO_I2S_Type structure. + * @param handle Pointer to flexio_i2s_handle_t structure which stores the transfer state + * @param xfer Pointer to flexio_i2s_transfer_t structure + * @retval kStatus_Success Successfully start the data transmission. + * @retval kStatus_FLEXIO_I2S_TxBusy Previous transmission still not finished, data not all written to TX register yet. + * @retval kStatus_InvalidArgument The input parameter is invalid. + */ +status_t FLEXIO_I2S_TransferSendNonBlocking(FLEXIO_I2S_Type *base, + flexio_i2s_handle_t *handle, + flexio_i2s_transfer_t *xfer); + +/*! + * @brief Performs an interrupt non-blocking receive transfer on FlexIO I2S. + * + * @note The API returns immediately after transfer initiates. + * Call FLEXIO_I2S_GetRemainingBytes to poll the transfer status to check whether + * the transfer is finished. If the return status is 0, the transfer is finished. + * + * @param base Pointer to FLEXIO_I2S_Type structure. + * @param handle Pointer to flexio_i2s_handle_t structure which stores the transfer state + * @param xfer Pointer to flexio_i2s_transfer_t structure + * @retval kStatus_Success Successfully start the data receive. + * @retval kStatus_FLEXIO_I2S_RxBusy Previous receive still not finished. + * @retval kStatus_InvalidArgument The input parameter is invalid. + */ +status_t FLEXIO_I2S_TransferReceiveNonBlocking(FLEXIO_I2S_Type *base, + flexio_i2s_handle_t *handle, + flexio_i2s_transfer_t *xfer); + +/*! + * @brief Aborts the current send. + * + * @note This API can be called at any time when interrupt non-blocking transfer initiates + * to abort the transfer in a early time. + * + * @param base Pointer to FLEXIO_I2S_Type structure. + * @param handle Pointer to flexio_i2s_handle_t structure which stores the transfer state + */ +void FLEXIO_I2S_TransferAbortSend(FLEXIO_I2S_Type *base, flexio_i2s_handle_t *handle); + +/*! + * @brief Aborts the current receive. + * + * @note This API can be called at any time when interrupt non-blocking transfer initiates + * to abort the transfer in a early time. + * + * @param base Pointer to FLEXIO_I2S_Type structure. + * @param handle Pointer to flexio_i2s_handle_t structure which stores the transfer state + */ +void FLEXIO_I2S_TransferAbortReceive(FLEXIO_I2S_Type *base, flexio_i2s_handle_t *handle); + +/*! + * @brief Gets the remaining bytes to be sent. + * + * @param base Pointer to FLEXIO_I2S_Type structure. + * @param handle Pointer to flexio_i2s_handle_t structure which stores the transfer state + * @param count Bytes sent. + * @retval kStatus_Success Succeed get the transfer count. + * @retval kStatus_NoTransferInProgress There is not a non-blocking transaction currently in progress. + */ +status_t FLEXIO_I2S_TransferGetSendCount(FLEXIO_I2S_Type *base, flexio_i2s_handle_t *handle, size_t *count); + +/*! + * @brief Gets the remaining bytes to be received. + * + * @param base Pointer to FLEXIO_I2S_Type structure. + * @param handle Pointer to flexio_i2s_handle_t structure which stores the transfer state + * @return count Bytes received. + * @retval kStatus_Success Succeed get the transfer count. + * @retval kStatus_NoTransferInProgress There is not a non-blocking transaction currently in progress. + */ +status_t FLEXIO_I2S_TransferGetReceiveCount(FLEXIO_I2S_Type *base, flexio_i2s_handle_t *handle, size_t *count); + +/*! + * @brief Tx interrupt handler. + * + * @param i2sBase Pointer to FLEXIO_I2S_Type structure. + * @param i2sHandle Pointer to flexio_i2s_handle_t structure + */ +void FLEXIO_I2S_TransferTxHandleIRQ(void *i2sBase, void *i2sHandle); + +/*! + * @brief Rx interrupt handler. + * + * @param i2sBase Pointer to FLEXIO_I2S_Type structure. + * @param i2sHandle Pointer to flexio_i2s_handle_t structure. + */ +void FLEXIO_I2S_TransferRxHandleIRQ(void *i2sBase, void *i2sHandle); + +/*! @} */ + +#if defined(__cplusplus) +} +#endif /*_cplusplus*/ + +/*! @} */ + +#endif /* _FSL_FLEXIO_I2S_H_ */