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/*!
* @file apm32f0xx_cec.h
*
* @brief This file contains all the functions prototypes for the CEC firmware library
*
* @version V1.0.3
*
* @date 2022-09-20
*
* @attention
*
* Copyright (C) 2020-2022 Geehy Semiconductor
*
* You may not use this file except in compliance with the
* GEEHY COPYRIGHT NOTICE (GEEHY SOFTWARE PACKAGE LICENSE).
*
* The program is only for reference, which is distributed in the hope
* that it will be useful and instructional for customers to develop
* their software. Unless required by applicable law or agreed to in
* writing, the program is distributed on an "AS IS" BASIS, WITHOUT
* ANY WARRANTY OR CONDITIONS OF ANY KIND, either express or implied.
* See the GEEHY SOFTWARE PACKAGE LICENSE for the governing permissions
* and limitations under the License.
*/
/* Define to prevent recursive inclusion */
#ifndef __APM32F0XX_CEC_H
#define __APM32F0XX_CEC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes */
#include "apm32f0xx.h"
/** @addtogroup APM32F0xx_StdPeriphDriver
@{
*/
/** @addtogroup CEC_Driver
@{
*/
/** @defgroup CEC_Macros Macros
@{
*/
/**@} end of group CEC_Macros */
/** @defgroup CEC_Enumerations Enumerations
@{
*/
/**
* @brief CEC_Signal_Free_Time
*/
typedef enum
{
CEC_SINGANL_FREETIME_STANDARD = 0x00, /*!< none nominal data bit periods */
CEC_SINGANL_FREETIME_1T = 0x01, /*!< 0.5 nominal data bit periods */
CEC_SINGANL_FREETIME_2T = 0x02, /*!< 1.5 nominal data bit periods */
CEC_SINGANL_FREETIME_3T = 0x03, /*!< 2.5 nominal data bit periods */
CEC_SINGANL_FREETIME_4T = 0x04, /*!< 3.5 nominal data bit periods */
CEC_SINGANL_FREETIME_5T = 0x05, /*!< 4.5 nominal data bit periods */
CEC_SINGANL_FREETIME_6T = 0x06, /*!< 5.5 nominal data bit periods */
CEC_SINGANL_FREETIME_7T = 0x07, /*!< 6.5 nominal data bit periods */
} CEC_SIGNAL_FREETIME_T;
/**
* @brief CEC_RxTolerance
*/
typedef enum
{
CEC_RX_TOLERANCE_STANDARD = 0x00, /*!< Standard tolerance margin */
CEC_RX_TOLERANCE_EXTENDED = 0x01 /*!< Extended Tolerance */
} CEC_RX_TOLERANCE_T;
/**
* @brief CEC_Stop_Reception
*/
typedef enum
{
CEC_STOP_RECEPTION_OFF, /*!< CEC Stop Reception Off */
CEC_STOP_RECEPTION_ON /*!< CEC Stop Reception On */
} CEC_STOP_RECEPTION_T;
/**
* @brief CEC_Bit_Rising_Error_Generation
*/
typedef enum
{
CEC_BIT_RISING_ERR_OFF, /*!< BRE detection does not generate an Error-Bit on the CEC line */
CEC_BIT_RISING_ERR_ON /*!< BRE detection generates an Error-Bit on the CEC line (if BRESTP is set) */
} CEC_BIT_RISING_ERR_T;
/**
* @brief CEC_Long_Bit_Error_Generation
*/
typedef enum
{
CEC_LONG_PERIOD_ERR_OFF, /*!< LBPE detection does not generate an Error-Bit on the CEC line */
CEC_LONG_PERIOD_ERR_ON /*!< LBPE detection generates an Error-Bit on the CEC line */
} CEC_LONG_PERIOD_ERR_T;
/**
* @brief CEC_BDR_No_Gen
*/
typedef enum
{
CEC_BROADCAST_NO_ERR_OFF, /*!< Broadcast Bit Rising Error generation turned Off */
CEC_BROADCAST_NO_ERR_ON /*!< Broadcast Bit Rising Error generation turned On */
} CEC_BROADCAST_NO_ERR_T;
/**
* @brief CEC_SFT_Option
*/
typedef enum
{
CEC_SIGNAL_FREETIME_OPTION_OFF, /*!< SFTCFG timer starts when TXSOM is set by software */
CEC_SIGNAL_FREETIME_OPTION_ON /*!< SFTCFG timer starts automatically at the end of message transmission/reception */
} CEC_SIGNAL_FREETIME_OPTION_T;
/**
* @brief CEC_Interrupt_Configuration_definition
*/
typedef enum
{
CEC_INT_RXBR = ((uint32_t)0x00000001), /*!< Rx-Byte Received Interrupt */
CEC_INT_RXEND = ((uint32_t)0x00000002), /*!< End Of Reception Interrupt */
CEC_INT_RXOVR = ((uint32_t)0x00000004), /*!< Rx-Buffer Overrun Interrupt */
CEC_INT_BRE = ((uint32_t)0x00000008), /*!< Bit Rising Error Interrupt */
CEC_INT_SBPE = ((uint32_t)0x00000010), /*!< Short Bit Period Error Interrupt */
CEC_INT_LBPE = ((uint32_t)0x00000020), /*!< Long Bit Period Error Interrupt */
CEC_INT_RXACKE = ((uint32_t)0x00000040), /*!< Rx-Missing Acknowledge Error Interrupt */
CEC_INT_ARBLST = ((uint32_t)0x00000080), /*!< Arbitration Lost Interrupt */
CEC_INT_TXBR = ((uint32_t)0x00000100), /*!< Tx-Byte Request Interrupt */
CEC_INT_TXEND = ((uint32_t)0x00000200), /*!< Tx-End Of Message Interrupt */
CEC_INT_TXUDR = ((uint32_t)0x00000400), /*!< Tx-Underrun Interrupt */
CEC_INT_TXERR = ((uint32_t)0x00000800), /*!< Tx-Error Interrupt */
CEC_INT_TXACKE = ((uint32_t)0x00001000), /*!< Tx-Missing Acknowledge Error Interrupt */
} CEC_INT_T;
/**
* @brief CEC_STS_register_flags_definition
*/
typedef enum
{
CEC_FLAG_RXBR = ((uint32_t)0x00000001), /*!< Rx-Byte Received Flag */
CEC_FLAG_RXEND = ((uint32_t)0x00000002), /*!< End Of Reception Flag */
CEC_FLAG_RXOVR = ((uint32_t)0x00000004), /*!< Rx-Buffer Overrun Flag */
CEC_FLAG_BRE = ((uint32_t)0x00000008), /*!< Bit Rising Error Flag */
CEC_FLAG_SBPE = ((uint32_t)0x00000010), /*!< Short Bit Period Error Flag */
CEC_FLAG_LBPE = ((uint32_t)0x00000020), /*!< Long Bit Period Error Flag */
CEC_FLAG_RXACKE = ((uint32_t)0x00000040), /*!< Rx-Missing Acknowledge Error Flag */
CEC_FLAG_ARBLST = ((uint32_t)0x00000080), /*!< Arbitration Lost Flag */
CEC_FLAG_TXBR = ((uint32_t)0x00000100), /*!< Tx-Byte Request Flag */
CEC_FLAG_TXEND = ((uint32_t)0x00000200), /*!< Tx-End Of Message Flag */
CEC_FLAG_TXUDR = ((uint32_t)0x00000400), /*!< Tx-Underrun Flag */
CEC_FLAG_TXERR = ((uint32_t)0x00000800), /*!< Tx-Error Flag */
CEC_FLAG_TXACKE = ((uint32_t)0x00001000), /*!< Tx-Missing Acknowledge Error Flag */
} CEC_FLAG_T;
/**@} end of group CEC_Enumerations */
/** @defgroup CEC_Structures Structures
@{
*/
/**
* @brief CEC Init structure definition
*/
typedef struct
{
CEC_SIGNAL_FREETIME_T signalFreeTime; /*!< Signal Free Time */
CEC_RX_TOLERANCE_T RxTolerance; /*!< Rx-Tolerance */
CEC_STOP_RECEPTION_T stopReception; /*!< Rx-Stop on Bit Rising Error */
CEC_BIT_RISING_ERR_T bitRisingError; /*!< Generate Error-Bit on Bit Rising Error */
CEC_LONG_PERIOD_ERR_T longPeriodError; /*!< Generate Error-Bit on Long Bit Period Error */
CEC_BROADCAST_NO_ERR_T broadcastrNoGen; /*!< Avoid Error-Bit Generation in Broadcast */
CEC_SIGNAL_FREETIME_OPTION_T signalFreeTimeOption;/*!< Signal Free Time optional */
} CEC_Config_T;
/**@} end of group CEC_Structures */
/** @defgroup CEC_Variables Variables
@{
*/
/**@} end of group CEC_Variables */
/** @defgroup CEC_Functions Functions
@{
*/
/* CEC reset and configuration */
void CEC_Reset(void);
void CEC_Config(CEC_Config_T* cecConfig);
void CEC_ConfigStructInit(CEC_Config_T* cecConfig);
void CEC_Enable(void);
void CEC_Disable(void);
void CEC_EnableListenMode(void);
void CEC_DisableListenMode(void);
void CEC_ConfigOwnAddress(uint8_t ownAddress);
void CEC_ClearQwnAddress(void);
/* Transmit and receive */
void CEC_TxData(uint8_t Data);
uint8_t CEC_RxData(void);
/* Config Message */
void CEC_StartNewMessage(void);
void CEC_CompleteMessage(void);
/* Interrupt and Flag*/
void CEC_EnableInterrupt(uint32_t interrupt);
void CEC_DisableInterrupt(uint32_t interrupt);
uint8_t CEC_ReadStatusFlag(uint32_t flag);
void CEC_ClearStatusFlag(uint32_t flag);
uint8_t CEC_ReadIntFlag(uint16_t flag);
void CEC_ClearIntFlag(uint16_t flag);
#ifdef __cplusplus
}
#endif
#endif /* __APM32F0XX_CEC_H */
/**@} end of group CEC_Functions */
/**@} end of group CEC_Driver */
/**@} end of group APM32F0xx_StdPeriphDriver */
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