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/**
*********************************************************************************************************
* Copyright(c) 2017, Realtek Semiconductor Corporation. All rights reserved.
*********************************************************************************************************
* @file ir_encode.h
* @brief This file provides driver of IR protocol encoding.
* @details
* @author elliot chen
* @date 2017-09-19
* @version v1.0
* *********************************************************************************************************
*/
#ifndef __IR_ENCODE_H
#define __IR_ENCODE_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "ir_protocol_config.h"
/* Defines ------------------------------------------------------------------*/
/**
* @brief Configure maximum length of header of IR protocol
*/
#define IR_MAX_HEADDER_LEN 6
/**
* @brief Configure maximum data length of logical 0 and logical 1
*/
#define IR_MAX_LOG_WAVFORM_SIZE 2
/**
* @brief IR coding order type definition.
*/
typedef enum
{
IR_CODING_LSB_FIRST,
IR_CODING_MSB_FIRST
} IR_CODING_ORDER;
/**
* @brief IR coding order type definition.
*/
typedef enum
{
CARRIER_UNIT,
TIME_UNIT
} IR_DATA_TYPE;
/**
* @brief IR protocol structure definition
*/
typedef struct
{
uint16_t carrierFreq;
IR_CODING_ORDER coding_order;
IR_DATA_TYPE unit;
uint8_t headerLen;
IR_DataType headerBuf[IR_MAX_HEADDER_LEN];
IR_DataType log0Buf[IR_MAX_LOG_WAVFORM_SIZE];
IR_DataType log1Buf[IR_MAX_LOG_WAVFORM_SIZE];
IR_DataType stopBuf;
} IR_ProtocolTypeDef;
/**
* @brief IR protocol structure definition which store IR repeat code.
*/
typedef struct
{
IR_DATA_TYPE unit;
uint8_t RepeatCodeLen;
IR_DataType RepeatCodeBuf[IR_REPEAT_CODE_MAX_LEN];
} IR_RepeatCodeTypeDef;
/* Exported functions --------------------------------------------------------*/
IR_Return_Type IR_Encode(IR_DataTypeDef *IR_DataStruct, IR_ProtocolTypeDef *IR_Protocol,
bool in_order);
IR_Return_Type IR_RepeatCodeEncode(IR_DataTypeDef *IR_DataStruct,
IR_RepeatCodeTypeDef *IR_Protocol);
IR_DataType ConvertToCarrierCycle(uint32_t time, uint32_t freq, IR_DATA_TYPE data_type);
#ifdef __cplusplus
}
#endif
#endif /*__IR_ENCODE_H*/
/******************* (C) COPYRIGHT 2017 Realtek Semiconductor Corporation *****END OF FILE****/
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