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96
sdk/component/common/drivers/ir/protocol/ir_led.h
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96
sdk/component/common/drivers/ir/protocol/ir_led.h
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/**
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*********************************************************************************************************
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* Copyright(c) 2015, Realtek Semiconductor Corporation. All rights reserved.
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*********************************************************************************************************
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* @file ir_led.h
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* @brief This file provides driver of led encoding.
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* @details
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* @author elliot chen
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* @date 2016-12-08
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* @version v1.0
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* *********************************************************************************************************
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*/
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#ifndef __IR_LED_H
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#define __IR_LED_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Defines ------------------------------------------------------------------*/
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typedef uint32_t IR_DataType;
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/* Carrier waveform data type bit select */
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#define PACK_TYPE ((uint32_t)31)
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/* Carrier waveform data type select */
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#define PULSE_HIGH ((uint32_t)0x80000000)
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/* No carrier waveform data type select */
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#define PULSE_LOW 0x0
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/* IR data mask */
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#define IR_DATA_MSK 0x7fffffffUL
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/*when receiving waveform is inverse, we should define INVERSE_DATA*/
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//#define INVERSE_DATA
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/* Configure data code Width */
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#define DATA_CODE_WIDTH 8
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/* Configure maxium length of data code */
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#define MAX_CODE_SIZE 3
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/* Configure maxium length of data sent by IR peripheral */
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#define MAX_IR_BUF_SIZE 51
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/* Configure maxium data length of logical 0 or logical 1 */
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#define MAX_LOG_WAVFORM_SIZE 2
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/**
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* @brief IR data structure definition
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*/
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typedef struct
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{
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/* Unit of carrierFreq is Hz */
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uint32_t carrierFreq;
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uint8_t code[MAX_CODE_SIZE];
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uint8_t codeLen;
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IR_DataType irBuf[MAX_IR_BUF_SIZE];
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uint16_t bufLen;
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} IR_DataTypeDef;
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/**
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* @brief IR protocol structure definition
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*/
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typedef struct
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{
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uint16_t carrierFreq;
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IR_DataType log0Buf[MAX_LOG_WAVFORM_SIZE];
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IR_DataType log1Buf[MAX_LOG_WAVFORM_SIZE];
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uint32_t stopBuf;
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uint32_t tolerancePrecent;
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} LED_ProtocolTypeDef;
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/**
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* @brief IR return type of encoding function
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*/
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typedef enum
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{
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IR_SUCCEED = 0,
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IR_FREQENCY_ERROR = 1,
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IR_HEARDE_TYPE_ERROR = 2,
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IR_HEADER_DATA_ERROR = 3,
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IR_DATA_TYPE_ERROR = 4,
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IR_DATA_ERROR = 5
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} IR_RETURN_Type;
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IR_RETURN_Type IR_LEDEncode(uint32_t freqency, uint8_t *data, IR_DataTypeDef *IR_DataStruct, int flag);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__IR_LED_H*/
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/******************* (C) COPYRIGHT 2016 Realtek Semiconductor Corporation *****END OF FILE****/
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117
sdk/component/common/drivers/ir/protocol/ir_nec_protocol.h
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117
sdk/component/common/drivers/ir/protocol/ir_nec_protocol.h
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/**
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*********************************************************************************************************
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* Copyright(c) 2015, Realtek Semiconductor Corporation. All rights reserved.
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*********************************************************************************************************
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* @file ir_nec_protocol.h
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* @brief This file provides driver of nec protocol encoding.
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* @details
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* @author elliot chen
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* @date 2016-12-08
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* @version v1.0
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* *********************************************************************************************************
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*/
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#ifndef __IR_RCA_PROTOCOL_H
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#define __IR_RCA_PROTOCOL_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Defines ------------------------------------------------------------------*/
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typedef uint32_t IR_DataType;
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/* Carrier waveform data type bit select */
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#define PACK_TYPE ((uint32_t)31)
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/* Carrier waveform data type select */
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#define PULSE_HIGH ((uint32_t)0x80000000)
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/* No carrier waveform data type select */
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#define PULSE_LOW 0x0
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/* IR data mask */
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#define IR_DATA_MSK 0x7fffffffUL
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/*when receiving waveform is inverse, we should define INVERSE_DATA*/
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//#define INVERSE_DATA
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/* Configure user code Width */
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#define USER_CODE_WDTH 8
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/* Configure data code Width */
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#define DATA_CODE_WDTH 8
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/* Configure maxium length of user code and data code */
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#define MAX_CODE_SIZE 4
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/* Configure maxium length of data sent by IR peripheral */
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#define MAX_IR_BUF_SIZE 75
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/* Configure maxium length of header of IR protocol */
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#define MAX_HEADDER_LEN 2
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/* Configure maxium data length of logical 0 or logical 1 */
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#define MAX_LOG_WAVFORM_SIZE 2
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/**
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* @brief IR data structure definition
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*/
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typedef struct
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{
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/* Unit of carrierFreq is Hz */
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uint32_t carrierFreq;
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uint8_t code[MAX_CODE_SIZE];
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uint8_t codeLen;
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IR_DataType irBuf[MAX_IR_BUF_SIZE];
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uint16_t bufLen;
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} IR_DataTypeDef;
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/**
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* @brief IR protocol structure definition
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*/
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typedef struct
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{
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uint16_t carrierFreq;
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uint8_t headerLen;
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uint32_t headerBuf[MAX_HEADDER_LEN];
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IR_DataType log0Buf[MAX_LOG_WAVFORM_SIZE];
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IR_DataType log1Buf[MAX_LOG_WAVFORM_SIZE];
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uint32_t stopBuf;
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uint32_t tolerancePrecent;
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} IR_ProtocolTypeDef;
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/**
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* @brief IR return type of encoding function
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*/
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typedef enum
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{
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IR_SUCCEED = 0,
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IR_FREQENCY_ERROR = 1,
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IR_HEARDE_TYPE_ERROR = 2,
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IR_HEADER_DATA_ERROR = 3,
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IR_DATA_TYPE_ERROR = 4,
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IR_DATA_ERROR = 5
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} IR_RETURN_Type;
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/**
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* @brief IR data length. This value depends on IR protocol.
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*
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*/
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typedef enum
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{
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RCA_LENGTH = 52, /**< RCA data length */
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NEC_LENGTH = 68, /**< NEC data length */
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RC5_LENGTH = 80, /**< RC5 data length */
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RC6_LENGTH = 70, /**< RC6 data length */
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SONY_LENGTH = 90, /**< SONY data length */
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} IR_Mode_Length;
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IR_RETURN_Type IR_NECEncode(uint32_t freqency, uint8_t *data, IR_DataTypeDef *IR_DataStruct);
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IR_RETURN_Type IR_NECDecode(uint32_t freqency, uint8_t *pdata, IR_DataTypeDef *IR_DataStruct);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__IR_RCA_PROTOCOL_H*/
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/******************* (C) COPYRIGHT 2016 Realtek Semiconductor Corporation *****END OF FILE****/
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2
sdk/component/common/drivers/ir/protocol/readme.txt
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2
sdk/component/common/drivers/ir/protocol/readme.txt
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in ir_led document, ir is used to generate specific WS2812C-2020 waveforms needed by LED.
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in led application, carrier frequency should be set more than 10MHz
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