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Diffstat (limited to 'lib/hal-stm32f0/source/stm32f0xx_hal_cec.c')
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diff --git a/lib/hal-stm32f0/source/stm32f0xx_hal_cec.c b/lib/hal-stm32f0/source/stm32f0xx_hal_cec.c new file mode 100644 index 00000000..3c93dc5a --- /dev/null +++ b/lib/hal-stm32f0/source/stm32f0xx_hal_cec.c @@ -0,0 +1,676 @@ +/** + ****************************************************************************** + * @file stm32f0xx_hal_cec.c + * @author MCD Application Team + * @brief CEC HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the High Definition Multimedia Interface + * Consumer Electronics Control Peripheral (CEC). + * + Initialization and de-initialization functions + * + IO operation functions + * + Peripheral Control functions + * + * + @verbatim + =============================================================================== + ##### How to use this driver ##### + =============================================================================== + [..] + The CEC HAL driver can be used as follow: + + (#) Declare a CEC_HandleTypeDef handle structure. + (#) Initialize the CEC low level resources by implementing the HAL_CEC_MspInit ()API: + (##) Enable the CEC interface clock. + (##) CEC pins configuration: + (+) Enable the clock for the CEC GPIOs. + (+) Configure these CEC pins as alternate function pull-up. + (##) NVIC configuration if you need to use interrupt process (HAL_CEC_Transmit_IT() + and HAL_CEC_Receive_IT() APIs): + (+) Configure the CEC interrupt priority. + (+) Enable the NVIC CEC IRQ handle. + (@) The specific CEC interrupts (Transmission complete interrupt, + RXNE interrupt and Error Interrupts) will be managed using the macros + __HAL_CEC_ENABLE_IT() and __HAL_CEC_DISABLE_IT() inside the transmit + and receive process. + + (#) Program the Signal Free Time (SFT) and SFT option, Tolerance, reception stop in + in case of Bit Rising Error, Error-Bit generation conditions, device logical + address and Listen mode in the hcec Init structure. + + (#) Initialize the CEC registers by calling the HAL_CEC_Init() API. + + (@) This API (HAL_CEC_Init()) configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) + by calling the customed HAL_CEC_MspInit() API. + + @endverbatim + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2016 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 "stm32f0xx_hal.h" + +#ifdef HAL_CEC_MODULE_ENABLED + +#if defined(STM32F042x6) || defined(STM32F048xx) ||\ + defined(STM32F051x8) || defined(STM32F058xx) ||\ + defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) ||\ + defined(STM32F091xC) || defined (STM32F098xx) + +/** @addtogroup STM32F0xx_HAL_Driver + * @{ + */ + +/** @defgroup CEC CEC + * @brief HAL CEC module driver + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/** @defgroup CEC_Private_Constants CEC Private Constants + * @{ + */ +/** + * @} + */ + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/** @defgroup CEC_Private_Functions CEC Private Functions + * @{ + */ +/** + * @} + */ + +/* Exported functions ---------------------------------------------------------*/ + +/** @defgroup CEC_Exported_Functions CEC Exported Functions + * @{ + */ + +/** @defgroup CEC_Exported_Functions_Group1 Initialization and de-initialization functions + * @brief Initialization and Configuration functions + * +@verbatim +=============================================================================== + ##### Initialization and Configuration functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to initialize the CEC + (+) The following parameters need to be configured: + (++) SignalFreeTime + (++) Tolerance + (++) BRERxStop (RX stopped or not upon Bit Rising Error) + (++) BREErrorBitGen (Error-Bit generation in case of Bit Rising Error) + (++) LBPEErrorBitGen (Error-Bit generation in case of Long Bit Period Error) + (++) BroadcastMsgNoErrorBitGen (Error-bit generation in case of broadcast message error) + (++) SignalFreeTimeOption (SFT Timer start definition) + (++) OwnAddress (CEC device address) + (++) ListenMode + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the CEC mode according to the specified + * parameters in the CEC_InitTypeDef and creates the associated handle . + * @param hcec CEC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CEC_Init(CEC_HandleTypeDef *hcec) +{ + /* Check the CEC handle allocation */ + if((hcec == NULL) ||(hcec->Init.RxBuffer == NULL)) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_CEC_ALL_INSTANCE(hcec->Instance)); + assert_param(IS_CEC_SIGNALFREETIME(hcec->Init.SignalFreeTime)); + assert_param(IS_CEC_TOLERANCE(hcec->Init.Tolerance)); + assert_param(IS_CEC_BRERXSTOP(hcec->Init.BRERxStop)); + assert_param(IS_CEC_BREERRORBITGEN(hcec->Init.BREErrorBitGen)); + assert_param(IS_CEC_LBPEERRORBITGEN(hcec->Init.LBPEErrorBitGen)); + assert_param(IS_CEC_BROADCASTERROR_NO_ERRORBIT_GENERATION(hcec->Init.BroadcastMsgNoErrorBitGen)); + assert_param(IS_CEC_SFTOP(hcec->Init.SignalFreeTimeOption)); + assert_param(IS_CEC_LISTENING_MODE(hcec->Init.ListenMode)); + assert_param(IS_CEC_OWN_ADDRESS(hcec->Init.OwnAddress)); + + if(hcec->gState == HAL_CEC_STATE_RESET) + { + /* Allocate lock resource and initialize it */ + hcec->Lock = HAL_UNLOCKED; + /* Init the low level hardware : GPIO, CLOCK */ + HAL_CEC_MspInit(hcec); + } + hcec->gState = HAL_CEC_STATE_BUSY; + + /* Disable the Peripheral */ + __HAL_CEC_DISABLE(hcec); + + /* Write to CEC Control Register */ + hcec->Instance->CFGR = hcec->Init.SignalFreeTime | hcec->Init.Tolerance | hcec->Init.BRERxStop|\ + hcec->Init.BREErrorBitGen | hcec->Init.LBPEErrorBitGen | hcec->Init.BroadcastMsgNoErrorBitGen |\ + hcec->Init.SignalFreeTimeOption |((uint32_t)(hcec->Init.OwnAddress)<<16U) |\ + hcec->Init.ListenMode; + + /* Enable the following CEC Transmission/Reception interrupts as + * well as the following CEC Transmission/Reception Errors interrupts + * Rx Byte Received IT + * End of Reception IT + * Rx overrun + * Rx bit rising error + * Rx short bit period error + * Rx long bit period error + * Rx missing acknowledge + * Tx Byte Request IT + * End of Transmission IT + * Tx Missing Acknowledge IT + * Tx-Error IT + * Tx-Buffer Underrun IT + * Tx arbitration lost */ + __HAL_CEC_ENABLE_IT(hcec, CEC_IT_RXBR|CEC_IT_RXEND|CEC_IER_RX_ALL_ERR|CEC_IT_TXBR|CEC_IT_TXEND|CEC_IER_TX_ALL_ERR); + + /* Enable the CEC Peripheral */ + __HAL_CEC_ENABLE(hcec); + + hcec->ErrorCode = HAL_CEC_ERROR_NONE; + hcec->gState = HAL_CEC_STATE_READY; + hcec->RxState = HAL_CEC_STATE_READY; + + return HAL_OK; +} + +/** + * @brief DeInitializes the CEC peripheral + * @param hcec CEC handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CEC_DeInit(CEC_HandleTypeDef *hcec) +{ + /* Check the CEC handle allocation */ + if(hcec == NULL) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_CEC_ALL_INSTANCE(hcec->Instance)); + + hcec->gState = HAL_CEC_STATE_BUSY; + + /* DeInit the low level hardware */ + HAL_CEC_MspDeInit(hcec); + /* Disable the Peripheral */ + __HAL_CEC_DISABLE(hcec); + + /* Clear Flags */ + __HAL_CEC_CLEAR_FLAG(hcec,CEC_FLAG_TXEND|CEC_FLAG_TXBR|CEC_FLAG_RXBR|CEC_FLAG_RXEND|CEC_ISR_ALL_ERROR); + + /* Disable the following CEC Transmission/Reception interrupts as + * well as the following CEC Transmission/Reception Errors interrupts + * Rx Byte Received IT + * End of Reception IT + * Rx overrun + * Rx bit rising error + * Rx short bit period error + * Rx long bit period error + * Rx missing acknowledge + * Tx Byte Request IT + * End of Transmission IT + * Tx Missing Acknowledge IT + * Tx-Error IT + * Tx-Buffer Underrun IT + * Tx arbitration lost */ + __HAL_CEC_DISABLE_IT(hcec, CEC_IT_RXBR|CEC_IT_RXEND|CEC_IER_RX_ALL_ERR|CEC_IT_TXBR|CEC_IT_TXEND|CEC_IER_TX_ALL_ERR); + + hcec->ErrorCode = HAL_CEC_ERROR_NONE; + hcec->gState = HAL_CEC_STATE_RESET; + hcec->RxState = HAL_CEC_STATE_RESET; + + /* Process Unlock */ + __HAL_UNLOCK(hcec); + + return HAL_OK; +} + +/** + * @brief Initializes the Own Address of the CEC device + * @param hcec CEC handle + * @param CEC_OwnAddress The CEC own address. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CEC_SetDeviceAddress(CEC_HandleTypeDef *hcec, uint16_t CEC_OwnAddress) +{ + /* Check the parameters */ + assert_param(IS_CEC_OWN_ADDRESS(CEC_OwnAddress)); + + if ((hcec->gState == HAL_CEC_STATE_READY) && (hcec->RxState == HAL_CEC_STATE_READY)) + { + /* Process Locked */ + __HAL_LOCK(hcec); + + hcec->gState = HAL_CEC_STATE_BUSY; + + /* Disable the Peripheral */ + __HAL_CEC_DISABLE(hcec); + + if(CEC_OwnAddress != CEC_OWN_ADDRESS_NONE) + { + hcec->Instance->CFGR |= ((uint32_t)CEC_OwnAddress<<16U); + } + else + { + hcec->Instance->CFGR &= ~(CEC_CFGR_OAR); + } + + hcec->gState = HAL_CEC_STATE_READY; + hcec->ErrorCode = HAL_CEC_ERROR_NONE; + + /* Process Unlocked */ + __HAL_UNLOCK(hcec); + + /* Enable the Peripheral */ + __HAL_CEC_ENABLE(hcec); + + return HAL_OK; + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief CEC MSP Init + * @param hcec CEC handle + * @retval None + */ + __weak void HAL_CEC_MspInit(CEC_HandleTypeDef *hcec) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hcec); + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_CEC_MspInit can be implemented in the user file + */ +} + +/** + * @brief CEC MSP DeInit + * @param hcec CEC handle + * @retval None + */ + __weak void HAL_CEC_MspDeInit(CEC_HandleTypeDef *hcec) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hcec); + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_CEC_MspDeInit can be implemented in the user file + */ +} + +/** + * @} + */ + +/** @defgroup CEC_Exported_Functions_Group2 Input and Output operation functions + * @brief CEC Transmit/Receive functions + * +@verbatim + =============================================================================== + ##### IO operation functions ##### + =============================================================================== + This subsection provides a set of functions allowing to manage the CEC data transfers. + + (#) The CEC handle must contain the initiator (TX side) and the destination (RX side) + logical addresses (4-bit long addresses, 0x0F for broadcast messages destination) + + (#) The communication is performed using Interrupts. + These API's return the HAL status. + The end of the data processing will be indicated through the + dedicated CEC IRQ when using Interrupt mode. + The HAL_CEC_TxCpltCallback(), HAL_CEC_RxCpltCallback() user callbacks + will be executed respectivelly at the end of the transmit or Receive process + The HAL_CEC_ErrorCallback()user callback will be executed when a communication + error is detected + + (#) API's with Interrupt are : + (+) HAL_CEC_Transmit_IT() + (+) HAL_CEC_IRQHandler() + + (#) A set of User Callbacks are provided: + (+) HAL_CEC_TxCpltCallback() + (+) HAL_CEC_RxCpltCallback() + (+) HAL_CEC_ErrorCallback() + +@endverbatim + * @{ + */ + +/** + * @brief Send data in interrupt mode + * @param hcec CEC handle + * @param InitiatorAddress Initiator address + * @param DestinationAddress destination logical address + * @param pData pointer to input byte data buffer + * @param Size amount of data to be sent in bytes (without counting the header). + * 0 means only the header is sent (ping operation). + * Maximum TX size is 15 bytes (1 opcode and up to 14 operands). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_CEC_Transmit_IT(CEC_HandleTypeDef *hcec, uint8_t InitiatorAddress, uint8_t DestinationAddress, uint8_t *pData, uint32_t Size) +{ + /* if the IP isn't already busy and if there is no previous transmission + already pending due to arbitration lost */ + if (hcec->gState == HAL_CEC_STATE_READY) + { + if((pData == NULL ) && (Size > 0U)) + { + return HAL_ERROR; + } + + assert_param(IS_CEC_ADDRESS(DestinationAddress)); + assert_param(IS_CEC_ADDRESS(InitiatorAddress)); + assert_param(IS_CEC_MSGSIZE(Size)); + + /* Process Locked */ + __HAL_LOCK(hcec); + hcec->pTxBuffPtr = pData; + hcec->gState = HAL_CEC_STATE_BUSY_TX; + hcec->ErrorCode = HAL_CEC_ERROR_NONE; + + /* initialize the number of bytes to send, + * 0 means only one header is sent (ping operation) */ + hcec->TxXferCount = Size; + + /* in case of no payload (Size = 0), sender is only pinging the system; + Set TX End of Message (TXEOM) bit, must be set before writing data to TXDR */ + if (Size == 0U) + { + __HAL_CEC_LAST_BYTE_TX_SET(hcec); + } + + /* send header block */ + hcec->Instance->TXDR = ((uint8_t)(InitiatorAddress << CEC_INITIATOR_LSB_POS) |(uint8_t) DestinationAddress); + /* Set TX Start of Message (TXSOM) bit */ + __HAL_CEC_FIRST_BYTE_TX_SET(hcec); + + /* Process Unlocked */ + __HAL_UNLOCK(hcec); + + return HAL_OK; + + } + else + { + return HAL_BUSY; + } +} + +/** + * @brief Get size of the received frame. + * @param hcec CEC handle + * @retval Frame size + */ +uint32_t HAL_CEC_GetLastReceivedFrameSize(CEC_HandleTypeDef *hcec) +{ + return hcec->RxXferSize; +} + +/** + * @brief Change Rx Buffer. + * @param hcec CEC handle + * @param Rxbuffer Rx Buffer + * @note This function can be called only inside the HAL_CEC_RxCpltCallback() + * @retval Frame size + */ +void HAL_CEC_ChangeRxBuffer(CEC_HandleTypeDef *hcec, uint8_t* Rxbuffer) +{ + hcec->Init.RxBuffer = Rxbuffer; +} + +/** + * @brief This function handles CEC interrupt requests. + * @param hcec CEC handle + * @retval None + */ +void HAL_CEC_IRQHandler(CEC_HandleTypeDef *hcec) +{ + + /* save interrupts register for further error or interrupts handling purposes */ + uint32_t reg = 0U; + reg = hcec->Instance->ISR; + + + /* ----------------------------Arbitration Lost Management----------------------------------*/ + /* CEC TX arbitration error interrupt occurred --------------------------------------*/ + if((reg & CEC_FLAG_ARBLST) != RESET) + { + hcec->ErrorCode = HAL_CEC_ERROR_ARBLST; + __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_ARBLST); + } + + /* ----------------------------Rx Management----------------------------------*/ + /* CEC RX byte received interrupt ---------------------------------------------------*/ + if((reg & CEC_FLAG_RXBR) != RESET) + { + /* reception is starting */ + hcec->RxState = HAL_CEC_STATE_BUSY_RX; + hcec->RxXferSize++; + /* read received byte */ + *hcec->Init.RxBuffer++ = hcec->Instance->RXDR; + __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_RXBR); + } + + /* CEC RX end received interrupt ---------------------------------------------------*/ + if((reg & CEC_FLAG_RXEND) != RESET) + { + /* clear IT */ + __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_RXEND); + + /* Rx process is completed, restore hcec->RxState to Ready */ + hcec->RxState = HAL_CEC_STATE_READY; + hcec->ErrorCode = HAL_CEC_ERROR_NONE; + hcec->Init.RxBuffer -= hcec->RxXferSize; + HAL_CEC_RxCpltCallback(hcec, hcec->RxXferSize); + hcec->RxXferSize = 0U; + } + + /* ----------------------------Tx Management----------------------------------*/ + /* CEC TX byte request interrupt ------------------------------------------------*/ + if((reg & CEC_FLAG_TXBR) != RESET) + { + if (hcec->TxXferCount == 0U) + { + /* if this is the last byte transmission, set TX End of Message (TXEOM) bit */ + __HAL_CEC_LAST_BYTE_TX_SET(hcec); + hcec->Instance->TXDR = *hcec->pTxBuffPtr++; + } + else + { + hcec->Instance->TXDR = *hcec->pTxBuffPtr++; + hcec->TxXferCount--; + } + /* clear Tx-Byte request flag */ + __HAL_CEC_CLEAR_FLAG(hcec,CEC_FLAG_TXBR); + } + + /* CEC TX end interrupt ------------------------------------------------*/ + if((reg & CEC_FLAG_TXEND) != RESET) + { + __HAL_CEC_CLEAR_FLAG(hcec, CEC_FLAG_TXEND); + + /* Tx process is ended, restore hcec->gState to Ready */ + hcec->gState = HAL_CEC_STATE_READY; + /* Call the Process Unlocked before calling the Tx call back API to give the possibility to + start again the Transmission under the Tx call back API */ + __HAL_UNLOCK(hcec); + hcec->ErrorCode = HAL_CEC_ERROR_NONE; + HAL_CEC_TxCpltCallback(hcec); + } + + /* ----------------------------Rx/Tx Error Management----------------------------------*/ + if ((reg & (CEC_ISR_RXOVR|CEC_ISR_BRE|CEC_ISR_SBPE|CEC_ISR_LBPE|CEC_ISR_RXACKE|CEC_ISR_TXUDR|CEC_ISR_TXERR|CEC_ISR_TXACKE)) != 0U) + { + hcec->ErrorCode = reg; + __HAL_CEC_CLEAR_FLAG(hcec, HAL_CEC_ERROR_RXOVR|HAL_CEC_ERROR_BRE|CEC_FLAG_LBPE|CEC_FLAG_SBPE|HAL_CEC_ERROR_RXACKE|HAL_CEC_ERROR_TXUDR|HAL_CEC_ERROR_TXERR|HAL_CEC_ERROR_TXACKE); + + + if((reg & (CEC_ISR_RXOVR|CEC_ISR_BRE|CEC_ISR_SBPE|CEC_ISR_LBPE|CEC_ISR_RXACKE)) != RESET) + { + hcec->Init.RxBuffer-=hcec->RxXferSize; + hcec->RxXferSize = 0U; + hcec->RxState = HAL_CEC_STATE_READY; + } + else if (((reg & (CEC_ISR_TXUDR|CEC_ISR_TXERR|CEC_ISR_TXACKE)) != RESET) && ((reg & CEC_ISR_ARBLST) == RESET)) + { + /* Set the CEC state ready to be able to start again the process */ + hcec->gState = HAL_CEC_STATE_READY; + } + + /* Error Call Back */ + HAL_CEC_ErrorCallback(hcec); + } + +} + +/** + * @brief Tx Transfer completed callback + * @param hcec CEC handle + * @retval None + */ + __weak void HAL_CEC_TxCpltCallback(CEC_HandleTypeDef *hcec) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hcec); + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_CEC_TxCpltCallback can be implemented in the user file + */ +} + +/** + * @brief Rx Transfer completed callback + * @param hcec CEC handle + * @param RxFrameSize Size of frame + * @retval None + */ +__weak void HAL_CEC_RxCpltCallback(CEC_HandleTypeDef *hcec, uint32_t RxFrameSize) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hcec); + UNUSED(RxFrameSize); + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_CEC_RxCpltCallback can be implemented in the user file + */ +} + +/** + * @brief CEC error callbacks + * @param hcec CEC handle + * @retval None + */ + __weak void HAL_CEC_ErrorCallback(CEC_HandleTypeDef *hcec) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hcec); + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_CEC_ErrorCallback can be implemented in the user file + */ +} +/** + * @} + */ + +/** @defgroup CEC_Exported_Functions_Group3 Peripheral Control function + * @brief CEC control functions + * +@verbatim + =============================================================================== + ##### Peripheral Control function ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to control the CEC. + (+) HAL_CEC_GetState() API can be helpful to check in run-time the state of the CEC peripheral. + (+) HAL_CEC_GetError() API can be helpful to check in run-time the error of the CEC peripheral. +@endverbatim + * @{ + */ +/** + * @brief return the CEC state + * @param hcec pointer to a CEC_HandleTypeDef structure that contains + * the configuration information for the specified CEC module. + * @retval HAL state + */ +HAL_CEC_StateTypeDef HAL_CEC_GetState(CEC_HandleTypeDef *hcec) +{ + uint32_t temp1 = 0x00U, temp2 = 0x00U; + temp1 = hcec->gState; + temp2 = hcec->RxState; + + return (HAL_CEC_StateTypeDef)(temp1 | temp2); +} + +/** + * @brief Return the CEC error code + * @param hcec pointer to a CEC_HandleTypeDef structure that contains + * the configuration information for the specified CEC. + * @retval CEC Error Code + */ +uint32_t HAL_CEC_GetError(CEC_HandleTypeDef *hcec) +{ + return hcec->ErrorCode; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ +#endif /* defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F051x8) || defined(STM32F058xx) || */ + /* defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || */ + /* defined(STM32F091xC) || defined (STM32F098xx) */ + +#endif /* HAL_CEC_MODULE_ENABLED */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |