302 lines
12 KiB
C
302 lines
12 KiB
C
/**
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******************************************************************************
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* @file stm32f4xx_cec.h
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* @author MCD Application Team
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* @version V1.8.0
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* @date 04-November-2016
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* @brief This file contains all the functions prototypes for the CEC firmware
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* library, applicable only for STM32F466xx devices.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2016 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F4XX_CEC_H
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#define __STM32F4XX_CEC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx.h"
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/** @addtogroup STM32F4xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup CEC
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* @{
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*/
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#if defined(STM32F446xx)
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief CEC Init structure definition
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*/
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typedef struct
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{
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uint32_t CEC_SignalFreeTime; /*!< Specifies the CEC Signal Free Time configuration.
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This parameter can be a value of @ref CEC_Signal_Free_Time */
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uint32_t CEC_RxTolerance; /*!< Specifies the CEC Reception Tolerance.
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This parameter can be a value of @ref CEC_RxTolerance */
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uint32_t CEC_StopReception; /*!< Specifies the CEC Stop Reception.
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This parameter can be a value of @ref CEC_Stop_Reception */
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uint32_t CEC_BitRisingError; /*!< Specifies the CEC Bit Rising Error generation.
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This parameter can be a value of @ref CEC_Bit_Rising_Error_Generation */
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uint32_t CEC_LongBitPeriodError; /*!< Specifies the CEC Long Bit Error generation.
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This parameter can be a value of @ref CEC_Long_Bit_Error_Generation */
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uint32_t CEC_BRDNoGen; /*!< Specifies the CEC Broadcast Error generation.
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This parameter can be a value of @ref CEC_BDR_No_Gen */
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uint32_t CEC_SFTOption; /*!< Specifies the CEC Signal Free Time option.
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This parameter can be a value of @ref CEC_SFT_Option */
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}CEC_InitTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup CEC_Exported_Constants
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* @{
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*/
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/** @defgroup CEC_Signal_Free_Time
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* @{
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*/
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#define CEC_SignalFreeTime_Standard ((uint32_t)0x00000000) /*!< CEC Signal Free Time Standard */
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#define CEC_SignalFreeTime_1T ((uint32_t)0x00000001) /*!< CEC 1.5 nominal data bit periods */
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#define CEC_SignalFreeTime_2T ((uint32_t)0x00000002) /*!< CEC 2.5 nominal data bit periods */
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#define CEC_SignalFreeTime_3T ((uint32_t)0x00000003) /*!< CEC 3.5 nominal data bit periods */
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#define CEC_SignalFreeTime_4T ((uint32_t)0x00000004) /*!< CEC 4.5 nominal data bit periods */
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#define CEC_SignalFreeTime_5T ((uint32_t)0x00000005) /*!< CEC 5.5 nominal data bit periods */
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#define CEC_SignalFreeTime_6T ((uint32_t)0x00000006) /*!< CEC 6.5 nominal data bit periods */
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#define CEC_SignalFreeTime_7T ((uint32_t)0x00000007) /*!< CEC 7.5 nominal data bit periods */
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#define IS_CEC_SIGNAL_FREE_TIME(TIME) (((TIME) == CEC_SignalFreeTime_Standard) || \
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((TIME) == CEC_SignalFreeTime_1T)|| \
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((TIME) == CEC_SignalFreeTime_2T)|| \
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((TIME) == CEC_SignalFreeTime_3T)|| \
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((TIME) == CEC_SignalFreeTime_4T)|| \
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((TIME) == CEC_SignalFreeTime_5T)|| \
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((TIME) == CEC_SignalFreeTime_6T)|| \
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((TIME) == CEC_SignalFreeTime_7T))
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/**
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* @}
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*/
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/** @defgroup CEC_RxTolerance
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* @{
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*/
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#define CEC_RxTolerance_Standard ((uint32_t)0x00000000) /*!< Standard Tolerance Margin */
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#define CEC_RxTolerance_Extended CEC_CFGR_RXTOL /*!< Extended Tolerance Margin */
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#define IS_CEC_RX_TOLERANCE(TOLERANCE) (((TOLERANCE) == CEC_RxTolerance_Standard) || \
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((TOLERANCE) == CEC_RxTolerance_Extended))
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/**
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* @}
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*/
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/** @defgroup CEC_Stop_Reception
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* @{
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*/
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#define CEC_StopReception_Off ((uint32_t)0x00000000) /*!< No RX Stop on bit Rising Error (BRE) */
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#define CEC_StopReception_On CEC_CFGR_BRESTP /*!< RX Stop on bit Rising Error (BRE) */
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#define IS_CEC_STOP_RECEPTION(RECEPTION) (((RECEPTION) == CEC_StopReception_On) || \
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((RECEPTION) == CEC_StopReception_Off))
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/**
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* @}
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*/
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/** @defgroup CEC_Bit_Rising_Error_Generation
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* @{
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*/
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#define CEC_BitRisingError_Off ((uint32_t)0x00000000) /*!< Bit Rising Error generation turned Off */
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#define CEC_BitRisingError_On CEC_CFGR_BREGEN /*!< Bit Rising Error generation turned On */
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#define IS_CEC_BIT_RISING_ERROR(ERROR) (((ERROR) == CEC_BitRisingError_Off) || \
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((ERROR) == CEC_BitRisingError_On))
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/**
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* @}
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*/
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/** @defgroup CEC_Long_Bit_Error_Generation
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* @{
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*/
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#define CEC_LongBitPeriodError_Off ((uint32_t)0x00000000) /*!< Long Bit Period Error generation turned Off */
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#define CEC_LongBitPeriodError_On CEC_CFGR_LREGEN /*!< Long Bit Period Error generation turned On */
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#define IS_CEC_LONG_BIT_PERIOD_ERROR(ERROR) (((ERROR) == CEC_LongBitPeriodError_Off) || \
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((ERROR) == CEC_LongBitPeriodError_On))
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/**
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* @}
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*/
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/** @defgroup CEC_BDR_No_Gen
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* @{
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*/
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#define CEC_BRDNoGen_Off ((uint32_t)0x00000000) /*!< Broadcast Bit Rising Error generation turned Off */
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#define CEC_BRDNoGen_On CEC_CFGR_BRDNOGEN /*!< Broadcast Bit Rising Error generation turned On */
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#define IS_CEC_BDR_NO_GEN_ERROR(ERROR) (((ERROR) == CEC_BRDNoGen_Off) || \
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((ERROR) == CEC_BRDNoGen_On))
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/**
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* @}
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*/
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/** @defgroup CEC_SFT_Option
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* @{
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*/
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#define CEC_SFTOption_Off ((uint32_t)0x00000000) /*!< SFT option turned Off */
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#define CEC_SFTOption_On CEC_CFGR_SFTOPT /*!< SFT option turned On */
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#define IS_CEC_SFT_OPTION(OPTION) (((OPTION) == CEC_SFTOption_Off) || \
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((OPTION) == CEC_SFTOption_On))
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/**
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* @}
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*/
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/** @defgroup CEC_Own_Address
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* @{
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*/
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#define IS_CEC_ADDRESS(ADDRESS) ((ADDRESS) < 0x10)
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/**
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* @}
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*/
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/** @defgroup CEC_Interrupt_Configuration_definition
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* @{
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*/
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#define CEC_IT_TXACKE CEC_IER_TXACKEIE
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#define CEC_IT_TXERR CEC_IER_TXERRIE
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#define CEC_IT_TXUDR CEC_IER_TXUDRIE
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#define CEC_IT_TXEND CEC_IER_TXENDIE
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#define CEC_IT_TXBR CEC_IER_TXBRIE
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#define CEC_IT_ARBLST CEC_IER_ARBLSTIE
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#define CEC_IT_RXACKE CEC_IER_RXACKEIE
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#define CEC_IT_LBPE CEC_IER_LBPEIE
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#define CEC_IT_SBPE CEC_IER_SBPEIE
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#define CEC_IT_BRE CEC_IER_BREIEIE
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#define CEC_IT_RXOVR CEC_IER_RXOVRIE
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#define CEC_IT_RXEND CEC_IER_RXENDIE
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#define CEC_IT_RXBR CEC_IER_RXBRIE
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#define IS_CEC_IT(IT) ((((IT) & (uint32_t)0xFFFFE000) == 0x00) && ((IT) != 0x00))
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#define IS_CEC_GET_IT(IT) (((IT) == CEC_IT_TXACKE) || \
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((IT) == CEC_IT_TXERR)|| \
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((IT) == CEC_IT_TXUDR)|| \
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((IT) == CEC_IT_TXEND)|| \
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((IT) == CEC_IT_TXBR)|| \
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((IT) == CEC_IT_ARBLST)|| \
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((IT) == CEC_IT_RXACKE)|| \
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((IT) == CEC_IT_LBPE)|| \
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((IT) == CEC_IT_SBPE)|| \
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((IT) == CEC_IT_BRE)|| \
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((IT) == CEC_IT_RXOVR)|| \
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((IT) == CEC_IT_RXEND)|| \
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((IT) == CEC_IT_RXBR))
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/**
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* @}
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*/
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/** @defgroup CEC_ISR_register_flags_definition
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* @{
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*/
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#define CEC_FLAG_TXACKE CEC_ISR_TXACKE
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#define CEC_FLAG_TXERR CEC_ISR_TXERR
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#define CEC_FLAG_TXUDR CEC_ISR_TXUDR
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#define CEC_FLAG_TXEND CEC_ISR_TXEND
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#define CEC_FLAG_TXBR CEC_ISR_TXBR
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#define CEC_FLAG_ARBLST CEC_ISR_ARBLST
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#define CEC_FLAG_RXACKE CEC_ISR_RXACKE
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#define CEC_FLAG_LBPE CEC_ISR_LBPE
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#define CEC_FLAG_SBPE CEC_ISR_SBPE
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#define CEC_FLAG_BRE CEC_ISR_BRE
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#define CEC_FLAG_RXOVR CEC_ISR_RXOVR
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#define CEC_FLAG_RXEND CEC_ISR_RXEND
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#define CEC_FLAG_RXBR CEC_ISR_RXBR
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#define IS_CEC_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFFFFE000) == 0x00) && ((FLAG) != 0x00))
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#define IS_CEC_GET_FLAG(FLAG) (((FLAG) == CEC_FLAG_TXACKE) || \
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((FLAG) == CEC_FLAG_TXERR)|| \
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((FLAG) == CEC_FLAG_TXUDR)|| \
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((FLAG) == CEC_FLAG_TXEND)|| \
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((FLAG) == CEC_FLAG_TXBR)|| \
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((FLAG) == CEC_FLAG_ARBLST)|| \
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((FLAG) == CEC_FLAG_RXACKE)|| \
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((FLAG) == CEC_FLAG_LBPE)|| \
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((FLAG) == CEC_FLAG_SBPE)|| \
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((FLAG) == CEC_FLAG_BRE)|| \
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((FLAG) == CEC_FLAG_RXOVR)|| \
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((FLAG) == CEC_FLAG_RXEND)|| \
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((FLAG) == CEC_FLAG_RXBR))
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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/* Function used to set the CEC configuration to the default reset state *****/
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void CEC_DeInit(void);
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/* CEC_Initialization and Configuration functions *****************************/
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void CEC_Init(CEC_InitTypeDef* CEC_InitStruct);
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void CEC_StructInit(CEC_InitTypeDef* CEC_InitStruct);
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void CEC_Cmd(FunctionalState NewState);
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void CEC_ListenModeCmd(FunctionalState NewState);
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void CEC_OwnAddressConfig(uint8_t CEC_OwnAddress);
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void CEC_OwnAddressClear(void);
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/* CEC_Data transfers functions ***********************************************/
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void CEC_SendData(uint8_t Data);
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uint8_t CEC_ReceiveData(void);
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void CEC_StartOfMessage(void);
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void CEC_EndOfMessage(void);
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/* CEC_Interrupts and flags management functions ******************************/
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void CEC_ITConfig(uint16_t CEC_IT, FunctionalState NewState);
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FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG);
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void CEC_ClearFlag(uint32_t CEC_FLAG);
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ITStatus CEC_GetITStatus(uint16_t CEC_IT);
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void CEC_ClearITPendingBit(uint16_t CEC_IT);
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#endif /* STM32F446xx */
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /*__STM32F4xx_CEC_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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