实时性保障方案
1. 实时性保障方案
- 双缓冲数据管道设计:
class DataPipeline { QVector<double> bufferA, bufferB; QMutex mutex; public: void writeData(const QVector<double> &data) { QMutexLocker locker(&mutex); bufferA.append(data); } QVector<double> readData() { QMutexLocker locker(&mutex); std::swap(bufferA, bufferB); return bufferB; } };
- 优先级抢占配置:
# 在Linux系统设置实时优先级 sudo chrt -f 99 ./balance_app
2. 跨平台兼容性
- 硬件抽象层(HAL)设计:
class HALInterface { public: virtual QVector<double> readSensor() = 0; virtual void setOutput(uint8_t pin, bool state) = 0; }; #if defined(STM32_PLATFORM) class STM32HAL : public HALInterface { /*...*/ }; #elif defined(LINUX_PLATFORM) class LinuxHAL : public HALInterface { /*...*/ }; #endif