440 lines
13 KiB
C
440 lines
13 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file nec_infrared.c
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* @author Motor Control SDK Team, Yuwell Software XiangenWang
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* @brief Voice Recognition Module Initialization Section,
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including peripheral initialization and message node insertion, etc.
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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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- 新增：新建第一个版本的软件，待完善解析命令后的程序执行部分
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2025 Yuwell Software Danyang.Jiangsu.China.
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* All rights reserved.</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted, provided that the following conditions are met:
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*
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* 1. Redistribution of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of Yuwell Software nor the names of other
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* contributors to this software may be used to endorse or promote products
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* derived from this software without specific written permission.
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* 4. This software, including modifications and/or derivative works of this
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* software, must execute solely and exclusively on microcontroller or
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* microprocessor devices manufactured by or for Yuwell Software.
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* 5. Redistribution and use of this software other than as permitted under
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* this license is void and will automatically terminate your rights under
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* this license.
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*
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* THIS SOFTWARE IS PROVIDED BY Yuwell Software AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
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* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
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* SHALL Yuwell Software OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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#include "nec_infrared.h"
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#include "string.h"
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#include "fm33lg0xx_queue.h"
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#include "fm33lg0xx_event.h"
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#include "ht24lc02_eeprom.h"
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/************************** 全局变量定义 **************************/
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Infrared infrared_info; // 初始化红外结构体，状态默认为IDLE
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/************************** 私有函数声明 **************************/
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static uint32_t nec_calc_pulse_width(Infrared* info, uint32_t current_val);
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/**
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* @brief 红外模块初始化函数
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* @param NONE
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* @retval NONE
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* @note 1. 配置红外接收引脚为输入上拉模式，LPTIM32为1MHz计数频率（64MHz系统时钟分频64）
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* 2. 配置LPTIM32输入捕获为双边沿触发，使能捕获和溢出中断
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* 3. 配置NVIC中断优先级，使能LPTIM32中断
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* @author jarvis
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* @date 2025.11.25
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*/
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void nec_infrared_init(void)
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{
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FL_LPTIM32_InitTypeDef timInit;
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FL_LPTIM32_IC_InitTypeDef timICInit;
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FL_GPIO_InitTypeDef GPIO_InitStruct;
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GPIO_InitStruct.pin = NEC_INFRARED_GPIO_PIN;
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GPIO_InitStruct.mode = FL_GPIO_MODE_DIGITAL;
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GPIO_InitStruct.outputType = FL_GPIO_OUTPUT_PUSHPULL;
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GPIO_InitStruct.pull = FL_ENABLE;
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GPIO_InitStruct.remapPin = FL_DISABLE;
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GPIO_InitStruct.analogSwitch = FL_DISABLE;
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FL_GPIO_Init(NEC_INFRARED_GPIO_PORT, &GPIO_InitStruct);
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FL_LPTIM32_StructInit(&timInit);
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timInit.clockSource = FL_CMU_LPTIM32_CLK_SOURCE_APBCLK; // 系统频率为64Mhz
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timInit.mode = FL_LPTIM32_OPERATION_MODE_NORMAL;
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timInit.prescalerClockSource = FL_LPTIM32_CLK_SOURCE_INTERNAL;
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timInit.prescaler = FL_LPTIM32_PSC_DIV64; // 当前计数频率分频为1Mhz
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timInit.autoReload = 300000 - 1; // 最大波长为500ms
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timInit.onePulseMode = FL_LPTIM32_ONE_PULSE_MODE_CONTINUOUS;
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timInit.triggerEdge = FL_LPTIM32_ETR_TRIGGER_EDGE_BOTH;
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timInit.countEdge = FL_LPTIM32_ETR_COUNT_EDGE_FALLING;
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FL_LPTIM32_Init(LPTIM32, &timInit);
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timICInit.ICSource = FL_LPTIM32_IC1_CAPTURE_SOURCE_GROUP0;
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timICInit.ICEdge = FL_LPTIM32_IC_EDGE_FALLING; // 双边缘捕获
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FL_LPTIM32_IC_Init(LPTIM32, FL_LPTIM32_CHANNEL_3, &timICInit);
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FL_LPTIM32_ClearFlag_CC(LPTIM32, FL_LPTIM32_CHANNEL_3); // 清除标志
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FL_LPTIM32_ClearFlag_Update(LPTIM32);
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FL_LPTIM32_EnableIT_CC(LPTIM32, FL_LPTIM32_CHANNEL_3); // 中断使能
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FL_LPTIM32_EnableIT_Update(LPTIM32);
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NVIC_DisableIRQ(LPTIMx_IRQn); // 使能并配置NVIC
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NVIC_SetPriority(LPTIMx_IRQn,1); // 设置中断优先级
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NVIC_EnableIRQ(LPTIMx_IRQn);
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FL_LPTIM32_Enable(LPTIM32); // 使能LPTIM32
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infrared_info.ir_state = IR_STATE_IDLE;
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infrared_info.pulse_width_index = 0;
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infrared_info.code_464_ing = 0;
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}
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/**
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* @brief 计算红外脉冲宽度（处理定时器溢出）
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* @param info: 指向红外结构体的指针
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* @param current_val: 当前捕获的定时器计数值
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* @retval 脉冲宽度（单位：μs，1MHz计数频率）
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* @note 1. 若当前值大于等于上一次值，直接相减；否则处理溢出（当前值+500000-上一次值）
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* 2. 500000为LPTIM32的自动重装值（最大计数）
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* @author jarvis
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* @date 2025.12.12
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*/
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static uint32_t nec_calc_pulse_width(Infrared* info, uint32_t current_val)
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{
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uint32_t pulse_width = 0;
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info->ic_value_last = info->ic_value_current;
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info->ic_value_current = current_val;
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// 处理定时器溢出（当前值 < 上一次值）
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if (info->ic_value_current >= info->ic_value_last)
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{
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pulse_width = info->ic_value_current - info->ic_value_last;
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}
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else
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{
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// 溢出后的值 = 当前值 + (自动重装值 + 1) - 上一次值
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pulse_width = (info->ic_value_current + 500000)- info->ic_value_last;
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}
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return pulse_width;
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}
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/**
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* @brief 解析NEC红外遥控指令并处理对应逻辑
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* @note 该函数用于解析NEC协议的红外脉冲宽度数据，提取有效指令数据，
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* 并根据不同的指令码执行对应的事件触发和状态管理逻辑
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* @param info: 指向红外数据处理结构体的指针，包含脉冲宽度数组、解析后的数据、
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* 错误标记、状态标记等信息
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* @retval 无
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* @attention 1. 仅处理NEC协议的32位数据部分，需确保脉冲宽度数组前33个元素有效
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* 2. 解析过程中若检测到无效脉冲宽度，会立即标记解码错误并返回
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* 3. 指令处理涉及全局事件组操作，需保证全局事件组的线程安全
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*/
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static void nec_command_decode(Infrared* info)
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{
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// 对数据进行解析并将数据下发到消息队列中
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uint8_t i = 0;
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info->received_data = 0;
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info->received_data_index = 0;
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MsgQueueItem queue_item;
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MsgQueueItem filter_item;
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// 解析数组
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if((info->pulse_width_array[0] > NEC_START_FALLING_MIN)&&(info->pulse_width_array[0] < NEC_START_FALLING_MAX))
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{
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for(i = 1;i < 33; i++)
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{
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if((info->pulse_width_array[i] > NEC_DATA0_FALLING_MIN)&&(info->pulse_width_array[i] < NEC_DATA0_FALLING_MAX))
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{
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info->received_data_index++;
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}else if((info->pulse_width_array[i] > NEC_DATA1_FALLING_MIN)&&(info->pulse_width_array[i] < NEC_DATA1_FALLING_MAX))
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{
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info->received_data += (1 << info->received_data_index++);
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}else{
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info->decode_error = true;
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info->received_data = 0;
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info->received_data_index = 0;
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return;
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}
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}
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}
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info->decode_error = false;
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// vOxygenEventGroupSetBits(&global_event, EVENT_OK_BLINK);
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// OK灯闪烁一下
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if(info->received_data == NEC_CODE_NUM_4)
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{
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if(info->code_464_ing == 2)
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{
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vOxygenEventGroupSetBits(&global_event, EVENT_464_CLEAR); // 获取到第三个4则下发清零事件
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info->code_464_ing = 0;
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}else if(info->code_464_ing == 0){
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info->code_464_ing = 1; // 标记正在校准中
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vOxygenEventGroupSetBits(&global_event, EVENT_OK_BLINK);
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}else{
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info->code_464_ing = 0;
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}
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}
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if(info->received_data == NEC_CODE_NUM_6)
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{
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if(info->code_464_ing == 1)
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{
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vOxygenEventGroupSetBits(&global_event, EVENT_OK_BLINK);
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info->code_464_ing = 2;
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}else{
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info->code_464_ing = 0;
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}
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}
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#if PROGREMA_DEBUG_MODE
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if(info->received_data == NEC_CODE_TIMER)
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{
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vOxygenEventGroupSetBits(&global_event, EVENT_OK_BLINK);
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// 接收到定时按键时不进行任何操作
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queue_item.type = MSG_TYPE_HOUR_SAVE;
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queue_item.data.hour_meter.hour = 0;
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modify_or_add_queue_node_by_type(&global_queue, MSG_TYPE_HOUR_SAVE, queue_item);
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queue_item.type = MSG_TYPE_MINUTE_SAVE;
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queue_item.data.hour_meter.minute = 0;
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modify_or_add_queue_node_by_type(&global_queue, MSG_TYPE_MINUTE_SAVE, queue_item);
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ht24lc02_word_write(7200, INDEX_E4_ELEC_HIGH);
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ht24lc02_word_write(20, INDEX_E1_PRESS_LOW);
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ht24lc02_word_write(280, INDEX_E2_PRESS_HIGH);
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ht24lc02_word_write(180, INDEX_E7_220V_LOW);
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filter_item.data.filter_server.last_clean_filter_hours = 0;
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filter_item.data.filter_server.last_replace_filter_hours = 0;
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filter_item.data.filter_server.clean_filter_time_need_stored = true;
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filter_item.data.filter_server.replace_filter_time_need_stored = true;
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modify_or_add_queue_node_by_type(&global_queue, MSG_TYPE_FILTER_TIME_SAVE, filter_item);
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}
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#endif
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}
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/**
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* @brief 红外遥控的捕获中断处理函数
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* @param info: 指向红外结构体的指针
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* @param Cap_Val: 捕获的定时器计数值
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* @retval NONE
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* @note 1. 计算脉冲宽度，检测NEC协议的起始位、重复帧、数据位、长按位
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* 2. 数据位分为0和1，累计8位为1字节，4字节为一帧数据，完成后校验
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* 3. 入参为NULL时直接返回
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* @author jarvis
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* @date 2025.11.25
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*/
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static void user_infrared_IRQHandle(Infrared* info, uint32_t Cap_Val)
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{
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if (info == NULL)
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{
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return;
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}
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info->pulse_width = nec_calc_pulse_width(info, Cap_Val); // 计算脉冲宽度
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if((info->pulse_width >= NEC_START_FALLING_MIN)&&(info->pulse_width <= NEC_START_FALLING_MAX))
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{
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memset(info->pulse_width_array, 0, sizeof(info->pulse_width_array));
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info->pulse_width_index = 0;
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info->ir_state = IR_STATE_WAIT_DATA_END;
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}
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info->pulse_width_array[info->pulse_width_index++] = info->pulse_width;
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info->clear_delay = 0;
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if(info->pulse_width_index >= 33)
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{
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info->pulse_width_index = 0;
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info->ir_state = IR_STATE_IDLE;
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info->ok_count++;
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// 对接收到的数据进行解析
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nec_command_decode(info);
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}
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}
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/**
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* @brief 红外遥控的溢出中断处理函数
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* @param info: 指向红外结构体的指针
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* @retval NONE
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* @note 1. 处理无信号时的脏数据清理，重置信号标记
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* 2. 处理通信超时（计数到10时清空超时标志和通信值）
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* 3. 入参为NULL时直接返回
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* @author jarvis
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* @date 2025.11.25
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*/
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static void user_infrared_Updata_IRQHandle(Infrared* info)
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{
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if (info == NULL)
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{
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return;
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}
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// 两种情况下重新刷新内容 1.红外处于IDLE模式下 2.处于IR_STATE_WAIT_DATA_END模式超过两个周期（100ms）
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if((info->ir_state == IR_STATE_IDLE)&&(info->pulse_width_array[0] != 0))
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{
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memset(info->pulse_width_array, 0, sizeof(info->pulse_width_array));
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info->pulse_width_index = 0;
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}
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if(info->ir_state == IR_STATE_WAIT_DATA_END)
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{
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if(info->clear_delay >= 2)
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{
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memset(info->pulse_width_array, 0, sizeof(info->pulse_width_array));
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info->pulse_width_index = 0;
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info->clear_delay = 0;
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info->ir_state = IR_STATE_IDLE;
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}else{
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info->clear_delay++;
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}
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}
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}
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/**
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* @brief LPTIM32中断服务函数
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* @param NONE
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* @retval NONE
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* @note 1. 处理捕获中断和溢出中断，分别调用对应的红外处理函数
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* 2. 先清除中断标志，再处理数据，避免中断嵌套导致的问题
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* @author jarvis
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* @date 2025.11.25
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*/
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void LPTIM_IRQHandler(void)
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{
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uint32_t Cap_Val;
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if(FL_LPTIM32_IsActiveFlag_CC(LPTIM32, FL_LPTIM32_CHANNEL_3))
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{
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FL_LPTIM32_ClearFlag_CC(LPTIM32, FL_LPTIM32_CHANNEL_3);
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Cap_Val = FL_LPTIM32_ReadCaptureCH3(LPTIM32);
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user_infrared_IRQHandle(&infrared_info, Cap_Val); // 调用红外解码函数
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}
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if(FL_LPTIM32_IsActiveFlag_Update(LPTIM32))
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{
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FL_LPTIM32_ClearFlag_Update(LPTIM32);
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user_infrared_Updata_IRQHandle(&infrared_info); // 调用溢出处理函数
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}
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}
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