142 lines
4.7 KiB
C
142 lines
4.7 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : nce_infrared.h
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* @brief : 消息队列头文件
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* @version : 1.0
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* @changelog : version 1.0 初始版本 2025.11.13
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2025 Yuwell Software Danyang.Jiangsu.China
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* THIS SOFTWARE is licensed under the Mulan PSL v1.
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* can use this software according to the terms and conditions of the Mulan PSL v1.
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* You may obtain a copy of Mulan PSL v1 at:
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* http://license.coscl.org.cn/MulanPSL
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v1 for more details.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __NCE_INFRARED_H
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#define __NCE_INFRARED_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "fm33lg0xx_fl.h"
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/* 增加对Malloc函数的支持 */
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#include "stdlib.h"
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#define NEC_INFRARED_GPIO_PORT GPIOC
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#define NEC_INFRARED_GPIO_PIN FL_GPIO_PIN_15
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/************************** NEC红外协议宏定义 **************************/
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// NEC协议核心时序（分高低电平，1MHz计数频率）
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#define NEC_START_LOW_US 9000 // 起始位低电平：9ms
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#define NEC_START_HIGH_US 4500 // 起始位高电平：4.5ms
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#define NEC_DATA_LOW_US 560 // 数据位低电平：560μs（0和1的低电平相同）
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#define NEC_DATA0_HIGH_US 560 // 数据0高电平：560μs
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#define NEC_DATA1_HIGH_US 1690 // 数据1高电平：1690μs
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// 容错范围（±20%，预计算整数，避免浮点数）
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#define NEC_TOLERANCE_85(x) ((x) * 80 / 100)
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#define NEC_TOLERANCE_115(x) ((x) * 120 / 100)
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// 起始位高低电平容错范围
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#define NEC_START_LOW_MIN NEC_TOLERANCE_85(NEC_START_LOW_US) // 7650
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#define NEC_START_LOW_MAX NEC_TOLERANCE_115(NEC_START_LOW_US) // 10350
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#define NEC_START_HIGH_MIN NEC_TOLERANCE_85(NEC_START_HIGH_US) // 3825
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#define NEC_START_HIGH_MAX NEC_TOLERANCE_115(NEC_START_HIGH_US) // 5175
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// 数据位容错范围
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#define NEC_DATA_LOW_MIN NEC_TOLERANCE_85(NEC_DATA_LOW_US) // 476
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#define NEC_DATA_LOW_MAX NEC_TOLERANCE_115(NEC_DATA_LOW_US) // 644
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#define NEC_DATA0_HIGH_MIN NEC_TOLERANCE_85(NEC_DATA0_HIGH_US) // 476
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#define NEC_DATA0_HIGH_MAX NEC_TOLERANCE_115(NEC_DATA0_HIGH_US) // 644
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#define NEC_DATA1_HIGH_MIN NEC_TOLERANCE_85(NEC_DATA1_HIGH_US) // 1436
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#define NEC_DATA1_HIGH_MAX NEC_TOLERANCE_115(NEC_DATA1_HIGH_US) // 1943
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#define NEC_START_FALLING_MIN (NEC_START_LOW_MIN + NEC_START_HIGH_MIN)
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#define NEC_START_FALLING_MAX (NEC_START_LOW_MAX + NEC_START_HIGH_MAX)
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#define NEC_DATA0_FALLING_MIN (NEC_DATA_LOW_MIN + NEC_DATA0_HIGH_MIN)
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#define NEC_DATA0_FALLING_MAX (NEC_DATA_LOW_MAX + NEC_DATA0_HIGH_MAX)
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#define NEC_DATA1_FALLING_MIN (NEC_DATA_LOW_MIN + NEC_DATA1_HIGH_MIN)
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#define NEC_DATA1_FALLING_MAX (NEC_DATA_LOW_MAX + NEC_DATA1_HIGH_MAX)
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// 数据长度定义0
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#define NEC_DATA_BYTES 4 // 地址+地址反码+数据+数据反码
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#define NEC_BITS_PER_BYTE 8 // 每字节8位
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#define NEC_TOTAL_BITS (NEC_DATA_BYTES * NEC_BITS_PER_BYTE)
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#define NEC_CODE_NUM_4 0xEB142322
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#define NEC_CODE_NUM_6 0xE9162322
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#define NEC_CODE_TIMER 0xF6092322
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/************************** 红外状态枚举 **************************/
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typedef enum
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{
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IR_STATE_IDLE, // 空闲状态 等待开始信号的第一个下降沿
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IR_STATE_WAIT_DATA_END, // 开始不断收集数据中
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} IR_State;
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/************************** 红外结构体定义 **************************/
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typedef struct
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{
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IR_State ir_state; // 红外解码状态机
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uint16_t pulse_width_array[33]; // 用于储存包括开始段在内的长度数据
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uint16_t pulse_width_index; // 用来记录当前存储数据的位置
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uint8_t clear_delay; // 数据清空延时
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uint32_t received_data;
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uint32_t received_data_index;
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uint32_t pulse_width;
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uint32_t ic_value_last;
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uint32_t ic_value_current;
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uint8_t ok_count;
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bool decode_error;
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uint16_t code_464_ing; // 是否进行了464校验
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} Infrared;
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/************************** 红外函数定义 **************************/
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void nec_infrared_init(void); // 初始化红外模块
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void LPTIM_IRQHandler(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __FM33_QUEUE_H */
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/************************ (C) COPYRIGHT Yuwell *****END OF FILE****/
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