101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
#ifndef IR_RECEIVER_H
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#define IR_RECEIVER_H
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#include <Arduino.h>
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#include <IRremote.h>
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// 红外接收结果结构体
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struct IRReceiveResult {
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bool success; // 是否成功接收到信号
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uint32_t protocol; // 协议类型
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uint32_t address; // 地址码
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uint32_t command; // 命令码
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uint16_t bits; // 数据位数
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uint16_t* rawData; // 原始数据指针
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size_t rawLength; // 原始数据长度
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};
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class IRReceiver {
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private:
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static uint8_t receivePin;
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static bool initialized;
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static uint16_t rawBuffer[RAW_BUFFER_LENGTH];
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public:
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// 初始化红外接收器
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static void init(uint8_t pin = 15);
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// 读取红外信号直到信号结束，返回读取结果
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static IRReceiveResult readIRSignal(uint32_t timeoutMs = 5000);
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// 释放资源
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static void cleanup();
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};
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// 静态成员变量定义
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uint8_t IRReceiver::receivePin = 15;
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bool IRReceiver::initialized = false;
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uint16_t IRReceiver::rawBuffer[RAW_BUFFER_LENGTH];
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// 初始化红外接收器
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void IRReceiver::init(uint8_t pin) {
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receivePin = pin;
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IrReceiver.begin(receivePin, ENABLE_LED_FEEDBACK);
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initialized = true;
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}
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// 读取红外信号直到信号结束，返回读取结果
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IRReceiveResult IRReceiver::readIRSignal(uint32_t timeoutMs) {
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IRReceiveResult result = {false, 0, 0, 0, 0, nullptr, 0};
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if (!initialized) {
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return result;
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}
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unsigned long startTime = millis();
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// 等待接收到红外信号
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while (!IrReceiver.decode()) {
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if (millis() - startTime > timeoutMs) {
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return result; // 超时返回失败结果
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}
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delay(1);
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}
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// 成功接收到信号
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result.success = true;
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result.protocol = IrReceiver.decodedIRData.protocol;
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result.address = IrReceiver.decodedIRData.address;
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result.command = IrReceiver.decodedIRData.command;
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result.bits = IrReceiver.decodedIRData.numberOfBits;
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// 复制原始数据到缓冲区
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if (IrReceiver.decodedIRData.rawDataPtr != nullptr) {
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result.rawLength = IrReceiver.decodedIRData.rawlen;
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// 确保不超过缓冲区大小
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if (result.rawLength > RAW_BUFFER_LENGTH) {
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result.rawLength = RAW_BUFFER_LENGTH;
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}
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// 复制原始数据
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for (size_t i = 0; i < result.rawLength; i++) {
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rawBuffer[i] = IrReceiver.decodedIRData.rawDataPtr->rawbuf[i];
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}
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result.rawData = rawBuffer;
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}
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// 准备接收下一个信号
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IrReceiver.resume();
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return result;
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}
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// 释放资源
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void IRReceiver::cleanup() {
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if (initialized) {
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IrReceiver.stop();
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initialized = false;
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}
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}
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#endif |