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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_i2s_ex.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_i2s_ex.c | 1557 |
1 files changed, 1557 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_i2s_ex.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_i2s_ex.c new file mode 100644 index 0000000000..1d3136c3bd --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_i2s_ex.c @@ -0,0 +1,1557 @@ +/** + ****************************************************************************** + * @file stm32f3xx_hal_i2s_ex.c + * @author MCD Application Team + * @version V1.1.0 + * @date 12-Sept-2014 + * @brief I2S Extended HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of I2S Extended peripheral: + * + Extended features Functions + * + @verbatim + ============================================================================== + ##### I2S Extended features ##### + ============================================================================== + [..] + (#) In I2S full duplex mode, each SPI peripheral is able to manage sending and receiving + data simultaneously using two data lines. Each SPI peripheral has an extended block + called I2Sxext ie. I2S2ext for SPI2 and I2S3ext for SPI3). + (#) The Extended block is not a full SPI IP, it is used only as I2S slave to + implement full duplex mode. The Extended block uses the same clock sources + as its master (refer to the following Figure). + + +-----------------------+ + I2Sx_SCK | | + ----------+-->| I2Sx |------------------->I2Sx_SD(in/out) + +--|-->| | + | | +-----------------------+ + | | + I2S_WS | | + ------>| | + | | +-----------------------+ + | +-->| | + | | I2Sx_ext |------------------->I2Sx_extSD(in/out) + +----->| | + +-----------------------+ + + (#) Both I2Sx and I2Sx_ext can be configured as transmitters or receivers. + + -@- Only I2Sx can deliver SCK and WS to I2Sx_ext in full duplex mode, where + I2Sx can be I2S2 or I2S3. + + =============================================================================== + ##### How to use this driver ##### + =============================================================================== + [..] + Three mode of operations are available within this driver : + + *** Polling mode IO operation *** + ================================= + [..] + (+) Send and receive in the same time an amount of data in blocking mode using HAL_I2S_TransmitReceive() + + *** Interrupt mode IO operation *** + =================================== + [..] + (+) Send and receive in the same time an amount of data in non blocking mode using HAL_I2S_TransmitReceive_IT() + (+) At transmission end of half transfer HAL_I2S_TxHalfCpltCallback is executed and user can + add his own code by customization of function pointer HAL_I2S_TxHalfCpltCallback + (+) At transmission end of transfer HAL_I2S_TxCpltCallback is executed and user can + add his own code by customization of function pointer HAL_I2S_TxCpltCallback + (+) At reception end of half transfer HAL_I2S_RxHalfCpltCallback is executed and user can + add his own code by customization of function pointer HAL_I2S_RxHalfCpltCallback + (+) At reception end of transfer HAL_I2S_RxCpltCallback is executed and user can + add his own code by customization of function pointer HAL_I2S_RxCpltCallback + (+) In case of transfer Error, HAL_I2S_ErrorCallback() function is executed and user can + add his own code by customization of function pointer HAL_I2S_ErrorCallback + + *** DMA mode IO operation *** + ============================== + [..] + (+) Send and receive an amount of data in non blocking mode (DMA) using HAL_I2S_TransmitReceive_DMA() + (+) At transmission end of half transfer HAL_I2S_TxHalfCpltCallback is executed and user can + add his own code by customization of function pointer HAL_I2S_TxHalfCpltCallback + (+) At transmission end of transfer HAL_I2S_TxCpltCallback is executed and user can + add his own code by customization of function pointer HAL_I2S_TxCpltCallback + (+) At reception end of half transfer HAL_I2S_RxHalfCpltCallback is executed and user can + add his own code by customization of function pointer HAL_I2S_RxHalfCpltCallback + (+) At reception end of transfer HAL_I2S_RxCpltCallback is executed and user can + add his own code by customization of function pointer HAL_I2S_RxCpltCallback + (+) In case of transfer Error, HAL_I2S_ErrorCallback() function is executed and user can + add his own code by customization of function pointer HAL_I2S_ErrorCallback + (+) Pause the DMA Transfer using HAL_I2S_DMAPause() + (+) Resume the DMA Transfer using HAL_I2S_DMAResume() + (+) Stop the DMA Transfer using HAL_I2S_DMAStop() + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f3xx_hal.h" + +/** @addtogroup STM32F3xx_HAL_Driver + * @{ + */ + +#ifdef HAL_I2S_MODULE_ENABLED + +#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \ + defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \ + defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \ + defined(STM32F373xC) || defined(STM32F378xx) + +#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \ + defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) + +/** @defgroup I2SEx I2S Extended HAL module driver + * @brief I2S Extended HAL module driver + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/** @defgroup I2SEx_Private_Typedef I2S Extended Private Typedef + * @{ + */ +typedef enum +{ + I2S_USE_I2S = 0x00, /*!< I2Sx should be used */ + I2S_USE_I2SEXT = 0x01 /*!< I2Sx_ext should be used */ +}I2S_UseTypeDef; +/** + * @} + */ + +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/** @defgroup I2SEx_Private_Functions I2S Extended Private Functions + * @{ + */ +static void I2S_TxRxDMACplt(DMA_HandleTypeDef *hdma); +static void I2S_TxRxDMAError(DMA_HandleTypeDef *hdma); +static void I2S_FullDuplexTx_IT(I2S_HandleTypeDef *hi2s, I2S_UseTypeDef i2sUsed); +static void I2S_FullDuplexRx_IT(I2S_HandleTypeDef *hi2s, I2S_UseTypeDef i2sUsed); +static HAL_StatusTypeDef I2S_FullDuplexWaitFlagStateUntilTimeout(I2S_HandleTypeDef *hi2s, uint32_t Flag, + uint32_t State, uint32_t Timeout, I2S_UseTypeDef i2sUsed); +/** + * @} + */ + +/** + * @} + */ +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx */ + +/* Exported functions ---------------------------------------------------------*/ + +/** @addtogroup I2S I2S HAL module driver + * @{ + */ + +/** @addtogroup I2S_Exported_Functions I2S Exported Functions + * @{ + */ + +/** @addtogroup I2S_Exported_Functions_Group1 Initialization and de-initialization functions + * @brief Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### Initialization/de-initialization functions ##### + =============================================================================== + [..] This subsection provides a set of functions allowing to initialize and + de-initialiaze the I2Sx peripheral in simplex mode: + + (+) User must Implement HAL_I2S_MspInit() function in which he configures + all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ). + + (+) Call the function HAL_I2S_Init() to configure the selected device with + the selected configuration: + (++) Mode + (++) Standard + (++) Data Format + (++) MCLK Output + (++) Audio frequency + (++) Polarity + + (+) Call the function HAL_I2S_DeInit() to restore the default configuration + of the selected I2Sx periperal. +@endverbatim + * @{ + */ + +/** + * @brief Initializes the I2S according to the specified parameters + * in the I2S_InitTypeDef and create the associated handle. + * @param hi2s: I2S handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_I2S_Init(I2S_HandleTypeDef *hi2s) +{ + uint16_t tmpreg = 0, i2sdiv = 2, i2sodd = 0, packetlength = 1; + uint32_t tmp = 0, i2sclk = 0; +#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \ + defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) + RCC_PeriphCLKInitTypeDef rccperiphclkinit; +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx */ + + /* Check the I2S handle allocation */ + if(hi2s == HAL_NULL) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_I2S_ALL_INSTANCE(hi2s->Instance)); + assert_param(IS_I2S_MODE(hi2s->Init.Mode)); + assert_param(IS_I2S_STANDARD(hi2s->Init.Standard)); + assert_param(IS_I2S_DATA_FORMAT(hi2s->Init.DataFormat)); + assert_param(IS_I2S_MCLK_OUTPUT(hi2s->Init.MCLKOutput)); + assert_param(IS_I2S_AUDIO_FREQ(hi2s->Init.AudioFreq)); + assert_param(IS_I2S_CPOL(hi2s->Init.CPOL)); + assert_param(IS_I2S_CLOCKSOURCE(hi2s->Init.ClockSource)); + assert_param(IS_I2S_FULLDUPLEX_MODE(hi2s->Init.FullDuplexMode)); + + hi2s->State = HAL_I2S_STATE_BUSY; + + /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */ + HAL_I2S_MspInit(hi2s); + + /*----------------------- SPIx I2SCFGR & I2SPR Configuration -----------------*/ + /* Clear I2SMOD, I2SE, I2SCFG, PCMSYNC, I2SSTD, CKPOL, DATLEN and CHLEN bits */ + hi2s->Instance->I2SCFGR &= ~(SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CKPOL | \ + SPI_I2SCFGR_I2SSTD | SPI_I2SCFGR_PCMSYNC | SPI_I2SCFGR_I2SCFG | \ + SPI_I2SCFGR_I2SE | SPI_I2SCFGR_I2SMOD); + hi2s->Instance->I2SPR = 0x0002; + + /* Get the I2SCFGR register value */ + tmpreg = hi2s->Instance->I2SCFGR; + + /* If the default value has to be written, reinitialize i2sdiv and i2sodd*/ + if(hi2s->Init.AudioFreq == I2S_AUDIOFREQ_DEFAULT) + { + i2sodd = (uint16_t)0; + i2sdiv = (uint16_t)2; + } + /* If the requested audio frequency is not the default, compute the prescaler */ + else + { + /* Check the frame length (For the Prescaler computing) *******************/ + if(hi2s->Init.DataFormat == I2S_DATAFORMAT_16B) + { + /* Packet length is 16 bits */ + packetlength = 1; + } + else + { + /* Packet length is 32 bits */ + packetlength = 2; + } + + /* Get I2S source Clock frequency ****************************************/ +#if defined (STM32F302xE) || defined (STM32F303xE) || defined (STM32F398xx) || \ + defined (STM32F302xC) || defined (STM32F303xC) || defined (STM32F358xx) + rccperiphclkinit.PeriphClockSelection = RCC_PERIPHCLK_I2S; + + /* If an external I2S clock has to be used, the specific define should be set + in the project configuration or in the stm32f3xx_conf.h file */ + if(hi2s->Init.ClockSource == I2S_CLOCK_EXTERNAL) + { + /* Set external clock as I2S clock source */ + rccperiphclkinit.I2sClockSelection = RCC_I2SCLKSOURCE_EXT; + HAL_RCCEx_PeriphCLKConfig(&rccperiphclkinit); + + /* Set the I2S clock to the external clock value */ + i2sclk = EXTERNAL_CLOCK_VALUE; + } + else + { + /* Set SYSCLK as I2S clock source */ + rccperiphclkinit.I2sClockSelection = RCC_I2SCLKSOURCE_SYSCLK; + HAL_RCCEx_PeriphCLKConfig(&rccperiphclkinit); + + /* Get the I2S source clock value */ + i2sclk = HAL_RCC_GetSysClockFreq(); + } +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx */ + +#if defined (STM32F373xC) || defined (STM32F378xx) + if(hi2s->Instance == SPI1) + { + i2sclk = HAL_RCC_GetPCLK2Freq(); + } + else if((hi2s->Instance == SPI2) || (hi2s->Instance == SPI3)) + { + i2sclk = HAL_RCC_GetPCLK1Freq(); + } +#endif /* STM32F373xC || STM32F378xx */ + + /* Compute the Real divider depending on the MCLK output state, with a floating point */ + if(hi2s->Init.MCLKOutput == I2S_MCLKOUTPUT_ENABLE) + { + /* MCLK output is enabled */ + tmp = (uint16_t)(((((i2sclk / 256) * 10) / hi2s->Init.AudioFreq)) + 5); + } + else + { + /* MCLK output is disabled */ + tmp = (uint16_t)(((((i2sclk / (32 * packetlength)) *10 ) / hi2s->Init.AudioFreq)) + 5); + } + + /* Remove the flatting point */ + tmp = tmp / 10; + + /* Check the parity of the divider */ + i2sodd = (uint16_t)(tmp & (uint16_t)0x0001); + + /* Compute the i2sdiv prescaler */ + i2sdiv = (uint16_t)((tmp - i2sodd) / 2); + + /* Get the Mask for the Odd bit (SPI_I2SPR[8]) register */ + i2sodd = (uint16_t) (i2sodd << 8); + } + + /* Test if the divider is 1 or 0 or greater than 0xFF */ + if((i2sdiv < 2) || (i2sdiv > 0xFF)) + { + /* Set the default values */ + i2sdiv = 2; + i2sodd = 0; + } + + /* Write to SPIx I2SPR register the computed value */ + hi2s->Instance->I2SPR = (uint16_t)((uint16_t)i2sdiv | (uint16_t)(i2sodd | (uint16_t)hi2s->Init.MCLKOutput)); + + /* Configure the I2S with the I2S_InitStruct values */ + tmpreg |= (uint16_t)((uint16_t)SPI_I2SCFGR_I2SMOD | (uint16_t)(hi2s->Init.Mode | \ + (uint16_t)(hi2s->Init.Standard | (uint16_t)(hi2s->Init.DataFormat | \ + (uint16_t)hi2s->Init.CPOL)))); + + /* Write to SPIx I2SCFGR */ + hi2s->Instance->I2SCFGR = tmpreg; + +#if defined (STM32F302xE) || defined (STM32F303xE) || defined (STM32F398xx) || \ + defined (STM32F302xC) || defined (STM32F303xC) || defined (STM32F358xx) + if (hi2s->Init.FullDuplexMode == I2S_FULLDUPLEXMODE_ENABLE) + { + /* Clear I2SMOD, I2SE, I2SCFG, PCMSYNC, I2SSTD, CKPOL, DATLEN and CHLEN bits */ + I2SxEXT(hi2s->Instance)->I2SCFGR &= ~(SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CKPOL | \ + SPI_I2SCFGR_I2SSTD | SPI_I2SCFGR_PCMSYNC | SPI_I2SCFGR_I2SCFG | \ + SPI_I2SCFGR_I2SE | SPI_I2SCFGR_I2SMOD); + I2SxEXT(hi2s->Instance)->I2SPR = 0x0002; + + /* Get the I2SCFGR register value */ + tmpreg = I2SxEXT(hi2s->Instance)->I2SCFGR; + + /* Get the mode to be configured for the extended I2S */ + if((hi2s->Init.Mode == I2S_MODE_MASTER_TX) || (hi2s->Init.Mode == I2S_MODE_SLAVE_TX)) + { + tmp = I2S_MODE_SLAVE_RX; + } + else + { + if((hi2s->Init.Mode == I2S_MODE_MASTER_RX) || (hi2s->Init.Mode == I2S_MODE_SLAVE_RX)) + { + tmp = I2S_MODE_SLAVE_TX; + } + } + + /* Configure the I2S Slave with the I2S Master parameter values */ + tmpreg |= (uint16_t)((uint16_t)SPI_I2SCFGR_I2SMOD | (uint16_t)(tmp | \ + (uint16_t)(hi2s->Init.Standard | (uint16_t)(hi2s->Init.DataFormat | \ + (uint16_t)hi2s->Init.CPOL)))); + + /* Write to SPIx I2SCFGR */ + I2SxEXT(hi2s->Instance)->I2SCFGR = tmpreg; + } +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx */ + + hi2s->ErrorCode = HAL_I2S_ERROR_NONE; + hi2s->State= HAL_I2S_STATE_READY; + + return HAL_OK; +} +/** + * @} + */ + +#if defined (STM32F302xE) || defined (STM32F303xE) || defined (STM32F398xx) || \ + defined (STM32F302xC) || defined (STM32F303xC) || defined (STM32F358xx) +/** @addtogroup I2S_Exported_Functions_Group2 Input and Output operation functions + * @{ + */ + +/** + * @brief This function handles I2S/I2Sext interrupt requests in full-duplex mode. + * @param hi2s: I2S handle + * @retval HAL status + */ +void HAL_I2S_FullDuplex_IRQHandler(I2S_HandleTypeDef *hi2s) +{ + __IO uint32_t i2ssr = hi2s->Instance->SR ; + __IO uint32_t i2sextsr = I2SxEXT(hi2s->Instance)->SR; + + /* Check if the I2S_MODE_MASTER_TX or I2S_MODE_SLAVE_TX Mode is selected */ + if(((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_TX) || ((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_TX)) + { + /* I2S in mode Transmitter -------------------------------------------------*/ + if(((i2ssr & I2S_FLAG_TXE) == I2S_FLAG_TXE) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_TXE) != RESET)) + { + /* When the I2S mode is configured as I2S_MODE_MASTER_TX or I2S_MODE_SLAVE_TX, + the I2S TXE interrupt will be generated to manage the full-duplex transmit phase. */ + I2S_FullDuplexTx_IT(hi2s, I2S_USE_I2S); + } + + /* I2Sext in mode Receiver -----------------------------------------------*/ + if(((i2sextsr & I2S_FLAG_RXNE) == I2S_FLAG_RXNE) && (__HAL_I2SEXT_GET_IT_SOURCE(hi2s, I2S_IT_RXNE) != RESET)) + { + /* When the I2S mode is configured as I2S_MODE_MASTER_TX or I2S_MODE_SLAVE_TX, + the I2Sext RXNE interrupt will be generated to manage the full-duplex receive phase. */ + I2S_FullDuplexRx_IT(hi2s, I2S_USE_I2SEXT); + } + + /* I2Sext Overrun error interrupt occured --------------------------------*/ + if(((i2sextsr & I2S_FLAG_OVR) == I2S_FLAG_OVR) && (__HAL_I2SEXT_GET_IT_SOURCE(hi2s, I2S_IT_ERR) != RESET)) + { + /* Disable RXNE and ERR interrupt */ + __HAL_I2SEXT_DISABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); + + /* Disable TXE and ERR interrupt */ + __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + /* Set the I2S State ready */ + hi2s->State = HAL_I2S_STATE_READY; + + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_OVR; + HAL_I2S_ErrorCallback(hi2s); + } + + /* I2S Underrun error interrupt occured ----------------------------------*/ + if(((i2ssr & I2S_FLAG_UDR) == I2S_FLAG_UDR) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_ERR) != RESET)) + { + /* Disable TXE and ERR interrupt */ + __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + /* Disable RXNE and ERR interrupt */ + __HAL_I2SEXT_DISABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); + + /* Set the I2S State ready */ + hi2s->State = HAL_I2S_STATE_READY; + + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_UDR; + HAL_I2S_ErrorCallback(hi2s); + } + } + /* The I2S_MODE_MASTER_RX or I2S_MODE_SLAVE_RX Mode is selected */ + else + { + /* I2Sext in mode Transmitter ----------------------------------------------*/ + if(((i2sextsr & I2S_FLAG_TXE) == I2S_FLAG_TXE) && (__HAL_I2SEXT_GET_IT_SOURCE(hi2s, I2S_IT_TXE) != RESET)) + { + /* When the I2S mode is configured as I2S_MODE_MASTER_RX or I2S_MODE_SLAVE_RX, + the I2Sext TXE interrupt will be generated to manage the full-duplex transmit phase. */ + I2S_FullDuplexTx_IT(hi2s, I2S_USE_I2SEXT); + } + + /* I2S in mode Receiver --------------------------------------------------*/ + if(((i2ssr & I2S_FLAG_RXNE) == I2S_FLAG_RXNE) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_RXNE) != RESET)) + { + /* When the I2S mode is configured as I2S_MODE_MASTER_RX or I2S_MODE_SLAVE_RX, + the I2S RXNE interrupt will be generated to manage the full-duplex receive phase. */ + I2S_FullDuplexRx_IT(hi2s, I2S_USE_I2S); + } + + /* I2S Overrun error interrupt occured -------------------------------------*/ + if(((i2ssr & I2S_FLAG_OVR) == I2S_FLAG_OVR) && (__HAL_I2S_GET_IT_SOURCE(hi2s, I2S_IT_ERR) != RESET)) + { + /* Disable RXNE and ERR interrupt */ + __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); + + /* Disable TXE and ERR interrupt */ + __HAL_I2SEXT_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + /* Set the I2S State ready */ + hi2s->State = HAL_I2S_STATE_READY; + + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_OVR; + HAL_I2S_ErrorCallback(hi2s); + } + + /* I2Sext Underrun error interrupt occured -------------------------------*/ + if(((i2sextsr & I2S_FLAG_UDR) == I2S_FLAG_UDR) && (__HAL_I2SEXT_GET_IT_SOURCE(hi2s, I2S_IT_ERR) != RESET)) + { + /* Disable TXE and ERR interrupt */ + __HAL_I2SEXT_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + /* Disable RXNE and ERR interrupt */ + __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); + + /* Set the I2S State ready */ + hi2s->State = HAL_I2S_STATE_READY; + + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_UDR; + HAL_I2S_ErrorCallback(hi2s); + } + } +} + +/** + * @brief Tx and Rx Transfer completed callbacks + * @param hi2s: I2S handle + * @retval None + */ +__weak void HAL_I2S_TxRxCpltCallback(I2S_HandleTypeDef *hi2s) +{ + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_I2S_TxRxCpltCallback could be implenetd in the user file + */ +} + +/** + * @} + */ + +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx */ + +/** @addtogroup I2S_Exported_Functions_Group3 Peripheral State and Errors functions + * @brief Peripheral State functions + * + * +@verbatim + =============================================================================== + ##### Peripheral State functions ##### + =============================================================================== + [..] + This subsection permit to get in run-time the status of the peripheral + and the data flow. + +@endverbatim + * @{ + */ +/** + * @brief Pauses the audio stream playing from the Media. + * @param hi2s : I2S handle + * @retval None + */ +HAL_StatusTypeDef HAL_I2S_DMAPause(I2S_HandleTypeDef *hi2s) +{ + /* Process Locked */ + __HAL_LOCK(hi2s); + + if(hi2s->State == HAL_I2S_STATE_BUSY_TX) + { + /* Pause the audio file playing by disabling the I2S DMA request */ + hi2s->Instance->CR2 &= (uint32_t)(~SPI_CR2_TXDMAEN); + } + else if(hi2s->State == HAL_I2S_STATE_BUSY_RX) + { + /* Pause the audio file playing by disabling the I2S DMA request */ + hi2s->Instance->CR2 &= (uint32_t)(~SPI_CR2_RXDMAEN); + } +#if defined (STM32F302xE) || defined (STM32F303xE) || defined (STM32F398xx) || \ + defined (STM32F302xC) || defined (STM32F303xC) || defined (STM32F358xx) + else if(hi2s->State == HAL_I2S_STATE_BUSY_TX_RX) + { + /* Pause the audio file playing by disabling the I2S DMA request */ + hi2s->Instance->CR2 &= (uint32_t)(~(SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN)); + I2SxEXT(hi2s->Instance)->CR2 &= (uint32_t)(~(SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN)); + } +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx */ + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + return HAL_OK; +} + +/** + * @brief Resumes the audio stream playing from the Media. + * @param hi2s : I2S handle + * @retval None + */ +HAL_StatusTypeDef HAL_I2S_DMAResume(I2S_HandleTypeDef *hi2s) +{ + /* Process Locked */ + __HAL_LOCK(hi2s); + + if(hi2s->State == HAL_I2S_STATE_BUSY_TX) + { + /* Enable the I2S DMA request */ + hi2s->Instance->CR2 |= SPI_CR2_TXDMAEN; + } + else if(hi2s->State == HAL_I2S_STATE_BUSY_RX) + { + /* Enable the I2S DMA request */ + hi2s->Instance->CR2 |= SPI_CR2_RXDMAEN; + } +#if defined (STM32F302xE) || defined (STM32F303xE) || defined (STM32F398xx) || \ + defined (STM32F302xC) || defined (STM32F303xC) || defined (STM32F358xx) + else if(hi2s->State == HAL_I2S_STATE_BUSY_TX_RX) + { + /* Pause the audio file playing by disabling the I2S DMA request */ + hi2s->Instance->CR2 |= (SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN); + I2SxEXT(hi2s->Instance)->CR2 |= (SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN); + + /* If the I2Sext peripheral is still not enabled, enable it */ + if ((I2SxEXT(hi2s->Instance)->I2SCFGR & SPI_I2SCFGR_I2SE) == 0) + { + /* Enable I2Sext peripheral */ + __HAL_I2SEXT_ENABLE(hi2s); + } + } +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx */ + + /* If the I2S peripheral is still not enabled, enable it */ + if ((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SE) == 0) + { + /* Enable I2S peripheral */ + __HAL_I2S_ENABLE(hi2s); + } + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + return HAL_OK; +} + +/** + * @brief Resumes the audio stream playing from the Media. + * @param hi2s: I2S handle + * @retval None + */ +HAL_StatusTypeDef HAL_I2S_DMAStop(I2S_HandleTypeDef *hi2s) +{ + /* Process Locked */ + __HAL_LOCK(hi2s); + + if(hi2s->State == HAL_I2S_STATE_BUSY_TX) + { + /* Disable the I2S DMA requests */ + hi2s->Instance->CR2 &= (uint32_t)(~SPI_CR2_TXDMAEN); + + /* Disable the I2S DMA Channel */ + HAL_DMA_Abort(hi2s->hdmatx); + } + else if(hi2s->State == HAL_I2S_STATE_BUSY_RX) + { + /* Disable the I2S DMA requests */ + hi2s->Instance->CR2 &= (uint32_t)(~SPI_CR2_RXDMAEN); + + /* Disable the I2S DMA Channel */ + HAL_DMA_Abort(hi2s->hdmarx); + } +#if defined (STM32F302xE) || defined (STM32F303xE) || defined (STM32F398xx) || \ + defined (STM32F302xC) || defined (STM32F303xC) || defined (STM32F358xx) + else if(hi2s->State == HAL_I2S_STATE_BUSY_TX_RX) + { + /* Disable the I2S DMA requests */ + hi2s->Instance->CR2 &= (uint32_t)(~(SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN)); + I2SxEXT(hi2s->Instance)->CR2 &= (uint32_t)(~(SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN)); + + /* Disable the I2S DMA Channels */ + HAL_DMA_Abort(hi2s->hdmatx); + HAL_DMA_Abort(hi2s->hdmarx); + + /* Disable I2Sext peripheral */ + __HAL_I2SEXT_DISABLE(hi2s); + } +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx */ + + /* Disable I2S peripheral */ + __HAL_I2S_DISABLE(hi2s); + + hi2s->State = HAL_I2S_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + return HAL_OK; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#if defined (STM32F302xE) || defined (STM32F303xE) || defined (STM32F398xx) || \ + defined (STM32F302xC) || defined (STM32F303xC) || defined (STM32F358xx) +/** @addtogroup I2SEx I2S Extended HAL module driver + * @brief I2S Extended HAL module driver + * @{ + */ + +/** @defgroup I2SEx_Exported_Functions I2S Extended Exported Functions + * @{ + */ + +/** @defgroup I2SEx_Exported_Functions_Group1 Extended features functions + * @brief Extended features functions + * +@verbatim + =============================================================================== + ##### Extended features Functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to manage the I2S data + transfers. + + (#) There is two mode of transfer: + (++) Blocking mode: The communication is performed in the polling mode. + The status of all data processing is returned by the same function + after finishing transfer. + (++) No-Blocking mode: The communication is performed using Interrupts + or DMA. These functions return the status of the transfer startup. + The end of the data processing will be indicated through the + dedicated I2S IRQ when using Interrupt mode or the DMA IRQ when + using DMA mode. + + (#) Blocking mode functions are : + (++) HAL_I2S_TransmitReceive() + + (#) No-Blocking mode functions with Interrupt are: + (++) HAL_I2S_TransmitReceive_IT() + (++) HAL_I2SFullDuplex_IRQHandler() + + (#) No-Blocking mode functions with DMA are: + (++) HAL_I2S_TransmitReceive_DMA() + + (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: + (++) HAL_I2S_TxRxCpltCallback() + (++) HAL_I2S_TxRxErrorCallback() + +@endverbatim + * @{ + */ + +/** + * @brief Full-Duplex Transmit/Receive data in blocking mode. + * @param hi2s: I2S handle + * @param pTxData: a 16-bit pointer to the Transmit data buffer. + * @param pRxData: a 16-bit pointer to the Receive data buffer. + * @param Size: number of data sample to be sent: + * @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S + * configuration phase, the Size parameter means the number of 16-bit data length + * in the transaction and when a 24-bit data frame or a 32-bit data frame is selected + * the Size parameter means the number of 16-bit data length. + * @param Timeout: Timeout duration + * @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization + * between Master and Slave(example: audio streaming). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_I2SEx_TransmitReceive(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData, uint16_t Size, uint32_t Timeout) +{ + if((pTxData == HAL_NULL ) || (pRxData == HAL_NULL ) || (Size == 0)) + { + return HAL_ERROR; + } + + /* Check the I2S State */ + if(hi2s->State == HAL_I2S_STATE_READY) + { + /* Check the Data format: When a 16-bit data frame or a 16-bit data frame extended + is selected during the I2S configuration phase, the Size parameter means the number + of 16-bit data length in the transaction and when a 24-bit data frame or a 32-bit data + frame is selected the Size parameter means the number of 16-bit data length. */ + if(((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_24B)||\ + ((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_32B)) + { + hi2s->TxXferSize = (Size << 1); + hi2s->TxXferCount = (Size << 1); + hi2s->RxXferSize = (Size << 1); + hi2s->RxXferCount = (Size << 1); + } + else + { + hi2s->TxXferSize = Size; + hi2s->TxXferCount = Size; + hi2s->RxXferSize = Size; + hi2s->RxXferCount = Size; + } + + /* Process Locked */ + __HAL_LOCK(hi2s); + + hi2s->ErrorCode = HAL_I2S_ERROR_NONE; + + /* Set the I2S State busy TX/RX */ + hi2s->State = HAL_I2S_STATE_BUSY_TX_RX; + + /* Check if the I2S_MODE_MASTER_TX or I2S_MODE_SLAVE_TX Mode is selected */ + if(((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_TX) || ((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_TX)) + { + /* Prepare the First Data before enabling the I2S */ + if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_TX) + { + hi2s->Instance->DR = (*pTxData++); + hi2s->TxXferCount--; + } + + /* Check if the I2S is already enabled: The I2S is kept enabled at the end of transaction + to avoid the clock de-synchronization between Master and Slave. */ + if((hi2s->Instance->I2SCFGR &SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) + { + /* Enable I2Sext(receiver) before enabling I2Sx peripheral */ + __HAL_I2SEXT_ENABLE(hi2s); + + /* Enable I2Sx peripheral */ + __HAL_I2S_ENABLE(hi2s); + } + + while(hi2s->RxXferCount > 0) + { + /* Wait until TXE flag is set */ + if (I2S_FullDuplexWaitFlagStateUntilTimeout(hi2s, I2S_FLAG_TXE, SET, Timeout, I2S_USE_I2S) != HAL_OK) + { + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_TIMEOUT; + HAL_I2S_ErrorCallback(hi2s); + return HAL_TIMEOUT; + } + + if (hi2s->TxXferCount > 0) + { + /* Check if an underrun occurs */ + if(__HAL_I2S_GET_FLAG(hi2s, I2S_FLAG_UDR) == SET) + { + /* Set the I2S State ready */ + hi2s->State = HAL_I2S_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_UDR; + HAL_I2S_ErrorCallback(hi2s); + + return HAL_ERROR; + } + + hi2s->Instance->DR = (*pTxData++); + hi2s->TxXferCount--; + } + + /* Wait until RXNE flag is set */ + if (I2S_FullDuplexWaitFlagStateUntilTimeout(hi2s, I2S_FLAG_RXNE, SET, Timeout, I2S_USE_I2SEXT) != HAL_OK) + { + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_TIMEOUT; + HAL_I2S_ErrorCallback(hi2s); + return HAL_TIMEOUT; + } + + /* Check if an overrun occurs */ + if(__HAL_I2SEXT_GET_FLAG(hi2s, I2S_FLAG_OVR) == SET) + { + /* Set the I2S State ready */ + hi2s->State = HAL_I2S_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_OVR; + HAL_I2S_ErrorCallback(hi2s); + + return HAL_ERROR; + } + + (*pRxData++) = I2SxEXT(hi2s->Instance)->DR; + hi2s->RxXferCount--; + } + } + /* The I2S_MODE_MASTER_RX or I2S_MODE_SLAVE_RX Mode is selected */ + else + { + /* Prepare the First Data before enabling the I2S */ + I2SxEXT(hi2s->Instance)->DR = (*pTxData++); + hi2s->TxXferCount--; + + /* Check if the I2S is already enabled */ + if((hi2s->Instance->I2SCFGR &SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) + { + /* Enable I2S peripheral before the I2Sext*/ + __HAL_I2S_ENABLE(hi2s); + + /* Enable I2Sext(transmitter) after enabling I2Sx peripheral */ + __HAL_I2SEXT_ENABLE(hi2s); + } + + /* Check if Master Receiver mode is selected */ + if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_RX) + { + /* Clear the Overrun Flag by a read operation on the SPI_DR register followed by a read + access to the SPI_SR register. */ + __HAL_I2S_CLEAR_OVRFLAG(hi2s); + } + + while(hi2s->RxXferCount > 0) + { + /* Wait until TXE flag is set */ + if (I2S_FullDuplexWaitFlagStateUntilTimeout(hi2s, I2S_FLAG_TXE, SET, Timeout, I2S_USE_I2SEXT) != HAL_OK) + { + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_TIMEOUT; + HAL_I2S_ErrorCallback(hi2s); + return HAL_TIMEOUT; + } + + if (hi2s->TxXferCount > 0) + { + /* Check if an underrun occurs */ + if(__HAL_I2SEXT_GET_FLAG(hi2s, I2S_FLAG_UDR) == SET) + { + /* Set the I2S State ready */ + hi2s->State = HAL_I2S_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_UDR; + HAL_I2S_ErrorCallback(hi2s); + + return HAL_ERROR; + } + + I2SxEXT(hi2s->Instance)->DR = (*pTxData++); + hi2s->TxXferCount--; + } + + /* Wait until RXNE flag is set */ + if (I2S_FullDuplexWaitFlagStateUntilTimeout(hi2s, I2S_FLAG_RXNE, SET, Timeout, I2S_USE_I2S) != HAL_OK) + { + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_TIMEOUT; + HAL_I2S_ErrorCallback(hi2s); + return HAL_TIMEOUT; + } + + /* Check if an overrun occurs */ + if(__HAL_I2S_GET_FLAG(hi2s, I2S_FLAG_OVR) == SET) + { + /* Set the I2S State ready */ + hi2s->State = HAL_I2S_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_OVR; + HAL_I2S_ErrorCallback(hi2s); + + return HAL_ERROR; + } + + (*pRxData++) = hi2s->Instance->DR; + hi2s->RxXferCount--; + } + } + + /* Set the I2S State ready */ + hi2s->State = HAL_I2S_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Full-Duplex Transmit/Receive data in non-blocking mode using Interrupt + * @param hi2s: I2S handle + * @param pTxData: a 16-bit pointer to the Transmit data buffer. + * @param pRxData: a 16-bit pointer to the Receive data buffer. + * @param Size: number of data sample to be sent: + * @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S + * configuration phase, the Size parameter means the number of 16-bit data length + * in the transaction and when a 24-bit data frame or a 32-bit data frame is selected + * the Size parameter means the number of 16-bit data length. + * @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization + * between Master and Slave(example: audio streaming). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_I2SEx_TransmitReceive_IT(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData, uint16_t Size) +{ + if(hi2s->State == HAL_I2S_STATE_READY) + { + if((pTxData == HAL_NULL ) || (pRxData == HAL_NULL ) || (Size == 0)) + { + return HAL_ERROR; + } + + hi2s->pTxBuffPtr = pTxData; + hi2s->pRxBuffPtr = pRxData; + + /* Check the Data format: When a 16-bit data frame or a 16-bit data frame extended + is selected during the I2S configuration phase, the Size parameter means the number + of 16-bit data length in the transaction and when a 24-bit data frame or a 32-bit data + frame is selected the Size parameter means the number of 16-bit data length. */ + if(((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_24B)||\ + ((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_32B)) + { + hi2s->TxXferSize = (Size << 1); + hi2s->TxXferCount = (Size << 1); + hi2s->RxXferSize = (Size << 1); + hi2s->RxXferCount = (Size << 1); + } + else + { + hi2s->TxXferSize = Size; + hi2s->TxXferCount = Size; + hi2s->RxXferSize = Size; + hi2s->RxXferCount = Size; + } + + /* Process Locked */ + __HAL_LOCK(hi2s); + + hi2s->ErrorCode = HAL_I2S_ERROR_NONE; + hi2s->State = HAL_I2S_STATE_BUSY_TX_RX; + + /* Check if the I2S_MODE_MASTER_TX or I2S_MODE_SLAVE_TX Mode is selected */ + if(((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_TX) || ((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_TX)) + { + /* Enable I2Sext RXNE and ERR interrupts */ + __HAL_I2SEXT_ENABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); + + /* Enable I2Sx TXE and ERR interrupts */ + __HAL_I2S_ENABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + /* Check if the I2S is already enabled */ + if((hi2s->Instance->I2SCFGR &SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) + { + if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_TX) + { + /* Prepare the First Data before enabling the I2S */ + if(hi2s->TxXferCount != 0) + { + /* Transmit First data */ + hi2s->Instance->DR = (*hi2s->pTxBuffPtr++); + hi2s->TxXferCount--; + + if(hi2s->TxXferCount == 0) + { + /* Disable TXE and ERR interrupt */ + __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + if(hi2s->RxXferCount == 0) + { + /* Disable I2Sext RXNE and ERR interrupt */ + __HAL_I2SEXT_DISABLE_IT(hi2s, (I2S_IT_RXNE| I2S_IT_ERR)); + + hi2s->State = HAL_I2S_STATE_READY; + HAL_I2S_TxRxCpltCallback(hi2s); + } + } + } + } + /* Enable I2Sext(receiver) before enabling I2Sx peripheral */ + __HAL_I2SEXT_ENABLE(hi2s); + + /* Enable I2Sx peripheral */ + __HAL_I2S_ENABLE(hi2s); + } + } + /* The I2S_MODE_MASTER_RX or I2S_MODE_SLAVE_RX Mode is selected */ + else + { + /* Enable I2Sext TXE and ERR interrupts */ + __HAL_I2SEXT_ENABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + /* Enable I2Sext RXNE and ERR interrupts */ + __HAL_I2S_ENABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); + + /* Check if the I2S is already enabled */ + if((hi2s->Instance->I2SCFGR &SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) + { + /* Prepare the First Data before enabling the I2S */ + if(hi2s->TxXferCount != 0) + { + /* Transmit First data */ + I2SxEXT(hi2s->Instance)->DR = (*hi2s->pTxBuffPtr++); + hi2s->TxXferCount--; + + if(hi2s->TxXferCount == 0) + { + /* Disable I2Sext TXE and ERR interrupt */ + __HAL_I2SEXT_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + if(hi2s->RxXferCount == 0) + { + /* Disable RXNE and ERR interrupt */ + __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_RXNE| I2S_IT_ERR)); + + hi2s->State = HAL_I2S_STATE_READY; + HAL_I2S_TxRxCpltCallback(hi2s); + } + } + } + /* Enable I2Sext(transmitter) after enabling I2Sx peripheral */ + __HAL_I2SEXT_ENABLE(hi2s); + + /* Enable I2S peripheral */ + __HAL_I2S_ENABLE(hi2s); + } + } + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Full-Duplex Transmit/Receive data in non-blocking mode using DMA + * @param hi2s: I2S handle + * @param pTxData: a 16-bit pointer to the Transmit data buffer. + * @param pRxData: a 16-bit pointer to the Receive data buffer. + * @param Size: number of data sample to be sent: + * @note When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S + * configuration phase, the Size parameter means the number of 16-bit data length + * in the transaction and when a 24-bit data frame or a 32-bit data frame is selected + * the Size parameter means the number of 16-bit data length. + * @note The I2S is kept enabled at the end of transaction to avoid the clock de-synchronization + * between Master and Slave(example: audio streaming). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_I2SEx_TransmitReceive_DMA(I2S_HandleTypeDef *hi2s, uint16_t *pTxData, uint16_t *pRxData, uint16_t Size) +{ + uint32_t *tmp; + + if((pTxData == HAL_NULL ) || (pRxData == HAL_NULL ) || (Size == 0)) + { + return HAL_ERROR; + } + + if(hi2s->State == HAL_I2S_STATE_READY) + { + hi2s->pTxBuffPtr = pTxData; + hi2s->pRxBuffPtr = pRxData; + + /* Check the Data format: When a 16-bit data frame or a 16-bit data frame extended + is selected during the I2S configuration phase, the Size parameter means the number + of 16-bit data length in the transaction and when a 24-bit data frame or a 32-bit data + frame is selected the Size parameter means the number of 16-bit data length. */ + if(((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_24B)||\ + ((hi2s->Instance->I2SCFGR & (SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)) == I2S_DATAFORMAT_32B)) + { + hi2s->TxXferSize = (Size << 1); + hi2s->TxXferCount = (Size << 1); + hi2s->RxXferSize = (Size << 1); + hi2s->RxXferCount = (Size << 1); + } + else + { + hi2s->TxXferSize = Size; + hi2s->TxXferCount = Size; + hi2s->RxXferSize = Size; + hi2s->RxXferCount = Size; + } + + /* Process Locked */ + __HAL_LOCK(hi2s); + + hi2s->ErrorCode = HAL_I2S_ERROR_NONE; + hi2s->State = HAL_I2S_STATE_BUSY_TX_RX; + + /* Set the I2S Rx DMA transfer complete callback */ + hi2s->hdmarx->XferCpltCallback = I2S_TxRxDMACplt; + + /* Set the DMA error callback */ + hi2s->hdmarx->XferErrorCallback = I2S_TxRxDMAError; + + /* Set the I2S Tx DMA transfer complete callback */ + hi2s->hdmatx->XferCpltCallback = I2S_TxRxDMACplt; + + /* Set the DMA error callback */ + hi2s->hdmatx->XferErrorCallback = I2S_TxRxDMAError; + + /* Check if the I2S_MODE_MASTER_TX or I2S_MODE_SLAVE_TX Mode is selected */ + if(((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_TX) || ((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_TX)) + { + /* Enable the Rx DMA Channel */ + tmp = (uint32_t*)&pRxData; + HAL_DMA_Start_IT(hi2s->hdmarx, (uint32_t)&I2SxEXT(hi2s->Instance)->DR, *(uint32_t*)tmp, hi2s->RxXferSize); + + /* Enable Rx DMA Request */ + I2SxEXT(hi2s->Instance)->CR2 |= SPI_CR2_RXDMAEN; + + /* Enable the Tx DMA Channel */ + tmp = (uint32_t*)&pTxData; + HAL_DMA_Start_IT(hi2s->hdmatx, *(uint32_t*)tmp, (uint32_t)&hi2s->Instance->DR, hi2s->TxXferSize); + + /* Enable Tx DMA Request */ + hi2s->Instance->CR2 |= SPI_CR2_TXDMAEN; + + /* Check if the I2S is already enabled */ + if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) + { + /* Enable I2Sext(receiver) before enabling I2Sx peripheral */ + __HAL_I2SEXT_ENABLE(hi2s); + + /* Enable I2S peripheral after the I2Sext*/ + __HAL_I2S_ENABLE(hi2s); + } + } + else + { + /* Check if Master Receiver mode is selected */ + if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_RX) + { + /* Clear the Overrun Flag by a read operation on the SPI_DR register followed by a read + access to the SPI_SR register. */ + __HAL_I2S_CLEAR_OVRFLAG(hi2s); + } + + /* Enable the Tx DMA Channel */ + tmp = (uint32_t*)&pTxData; + HAL_DMA_Start_IT(hi2s->hdmatx, *(uint32_t*)tmp, (uint32_t)&I2SxEXT(hi2s->Instance)->DR, hi2s->TxXferSize); + + /* Enable Tx DMA Request */ + I2SxEXT(hi2s->Instance)->CR2 |= SPI_CR2_TXDMAEN; + + /* Enable the Rx DMA Channel */ + tmp = (uint32_t*)&pRxData; + HAL_DMA_Start_IT(hi2s->hdmarx, (uint32_t)&hi2s->Instance->DR, *(uint32_t*)tmp, hi2s->RxXferSize); + + /* Enable Rx DMA Request */ + hi2s->Instance->CR2 |= SPI_CR2_RXDMAEN; + + /* Check if the I2S is already enabled */ + if((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SE) != SPI_I2SCFGR_I2SE) + { + /* Enable I2Sext(transmitter) before enabling I2Sx peripheral */ + __HAL_I2SEXT_ENABLE(hi2s); + + /* Enable I2S peripheral after the I2Sext*/ + __HAL_I2S_ENABLE(hi2s); + } + } + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @} + */ + +/** + * @} + */ + +/** @addtogroup I2SEx_Private_Functions I2S Extended Private Functions + * @{ + */ + +/** + * @brief DMA I2S transmit receive process complete callback + * @param hdma: DMA handle + * @retval None + */ +static void I2S_TxRxDMACplt(DMA_HandleTypeDef *hdma) +{ + I2S_HandleTypeDef* hi2s = ( I2S_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; + + if (hi2s->hdmarx == hdma) + { + /* Disable Rx DMA Request */ + if(((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_TX) || ((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_TX)) + { + I2SxEXT(hi2s->Instance)->CR2 &= (uint32_t)(~SPI_CR2_RXDMAEN); + } + else + { + hi2s->Instance->CR2 &= (uint32_t)(~SPI_CR2_RXDMAEN); + } + + hi2s->RxXferCount = 0; + + if (hi2s->TxXferCount == 0) + { + hi2s->State = HAL_I2S_STATE_READY; + + HAL_I2S_TxRxCpltCallback(hi2s); + } + } + + if (hi2s->hdmatx == hdma) + { + /* Disable Tx DMA Request */ + if(((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_MASTER_TX) || ((hi2s->Instance->I2SCFGR & SPI_I2SCFGR_I2SCFG) == I2S_MODE_SLAVE_TX)) + { + hi2s->Instance->CR2 &= (uint32_t)(~SPI_CR2_TXDMAEN); + } + else + { + I2SxEXT(hi2s->Instance)->CR2 &= (uint32_t)(~SPI_CR2_TXDMAEN); + } + + hi2s->TxXferCount = 0; + + if (hi2s->RxXferCount == 0) + { + hi2s->State = HAL_I2S_STATE_READY; + + HAL_I2S_TxRxCpltCallback(hi2s); + } + } +} + +/** + * @brief DMA I2S communication error callback + * @param hdma : DMA handle + * @retval None + */ +static void I2S_TxRxDMAError(DMA_HandleTypeDef *hdma) +{ + I2S_HandleTypeDef* hi2s = ( I2S_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; + + /* Disable Rx and Tx DMA Request */ + hi2s->Instance->CR2 &= (uint32_t)(~(SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN)); + I2SxEXT(hi2s->Instance)->CR2 &= (uint32_t)(~(SPI_CR2_RXDMAEN | SPI_CR2_TXDMAEN)); + + hi2s->TxXferCount = 0; + hi2s->RxXferCount = 0; + + hi2s->State= HAL_I2S_STATE_READY; + + /* Set the error code and execute error callback*/ + hi2s->ErrorCode |= HAL_I2S_ERROR_DMA; + HAL_I2S_ErrorCallback(hi2s); +} + +/** + * @brief Full-Duplex IT handler transmit function + * @param hi2s: I2S handle + * @param i2sUsed: indicate if I2Sx or I2Sx_ext is concerned + * @retval None + */ +static void I2S_FullDuplexTx_IT(I2S_HandleTypeDef *hi2s, I2S_UseTypeDef i2sUsed) +{ + if(i2sUsed == I2S_USE_I2S) + { + /* Transmit data */ + hi2s->Instance->DR = (*hi2s->pTxBuffPtr++); + hi2s->TxXferCount--; + + if(hi2s->TxXferCount == 0) + { + /* Disable TXE and ERR interrupt */ + __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + if(hi2s->RxXferCount == 0) + { + hi2s->State = HAL_I2S_STATE_READY; + HAL_I2S_TxRxCpltCallback(hi2s); + } + } + } + else + { + /* Transmit data */ + I2SxEXT(hi2s->Instance)->DR = (*hi2s->pTxBuffPtr++); + hi2s->TxXferCount--; + + if(hi2s->TxXferCount == 0) + { + /* Disable I2Sext TXE and ERR interrupt */ + __HAL_I2SEXT_DISABLE_IT(hi2s, (I2S_IT_TXE | I2S_IT_ERR)); + + if(hi2s->RxXferCount == 0) + { + hi2s->State = HAL_I2S_STATE_READY; + HAL_I2S_TxRxCpltCallback(hi2s); + } + } + } +} + +/** + * @brief Full-Duplex IT handler receive function + * @param hi2s: I2S handle + * @param i2sUsed: indicate if I2Sx or I2Sx_ext is concerned + * @retval None + */ +static void I2S_FullDuplexRx_IT(I2S_HandleTypeDef *hi2s, I2S_UseTypeDef i2sUsed) +{ + if(i2sUsed == I2S_USE_I2S) + { + /* Receive data */ + (*hi2s->pRxBuffPtr++) = hi2s->Instance->DR; + hi2s->RxXferCount--; + + if(hi2s->RxXferCount == 0) + { + /* Disable RXNE and ERR interrupt */ + __HAL_I2S_DISABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); + + if(hi2s->TxXferCount == 0) + { + hi2s->State = HAL_I2S_STATE_READY; + HAL_I2S_TxRxCpltCallback(hi2s); + } + } + } + else + { + /* Receive data */ + (*hi2s->pRxBuffPtr++) = I2SxEXT(hi2s->Instance)->DR; + hi2s->RxXferCount--; + + if(hi2s->RxXferCount == 0) + { + /* Disable I2Sext RXNE and ERR interrupt */ + __HAL_I2SEXT_DISABLE_IT(hi2s, (I2S_IT_RXNE | I2S_IT_ERR)); + + if(hi2s->TxXferCount == 0) + { + hi2s->State = HAL_I2S_STATE_READY; + HAL_I2S_TxRxCpltCallback(hi2s); + } + } + } +} + +/** + * @brief This function handles I2S Communication Timeout. + * @param hi2s: I2S handle + * @param Flag: Flag checked + * @param State: Value of the flag expected + * @param Timeout: Duration of the timeout + * @param i2sUsed: I2S instance reference + * @retval HAL status + */ +static HAL_StatusTypeDef I2S_FullDuplexWaitFlagStateUntilTimeout(I2S_HandleTypeDef *hi2s, uint32_t Flag, + uint32_t State, uint32_t Timeout, I2S_UseTypeDef i2sUsed) +{ + uint32_t tickstart = HAL_GetTick(); + + if(i2sUsed == I2S_USE_I2S) + { + while((__HAL_I2S_GET_FLAG(hi2s, Flag)) != State) + { + if(Timeout != HAL_MAX_DELAY) + { + if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) + { + /* Set the I2S State ready */ + hi2s->State= HAL_I2S_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + return HAL_TIMEOUT; + } + } + } + } + else + { + while((__HAL_I2SEXT_GET_FLAG(hi2s, Flag)) != State) + { + if(Timeout != HAL_MAX_DELAY) + { + if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) + { + /* Set the I2S State ready */ + hi2s->State= HAL_I2S_STATE_READY; + + /* Process Unlocked */ + __HAL_UNLOCK(hi2s); + + return HAL_TIMEOUT; + } + } + } + } + + return HAL_OK; +} +/** + * @} + */ + +/** + * @} + */ +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx */ + +#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */ + /* STM32F302xC || STM32F303xC || STM32F358xx || */ + /* STM32F301x8 || STM32F302x8 || STM32F318xx || */ + /* STM32F373xC || STM32F378xx */ + +#endif /* HAL_I2S_MODULE_ENABLED */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |