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66 lines
1.4 KiB
66 lines
1.4 KiB
#include "can_config.h"
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// 初始化静态成员变量
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CanConfig* CanConfig::instance = nullptr;
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osMutexId_t CanConfig::mutex = nullptr;
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class CanConfigHelper
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{
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public:
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CanConfigHelper()
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{
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osMutexAttr_t attr;
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attr.name = "CanConfigMutex";
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attr.attr_bits = 0U;
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attr.cb_mem = nullptr;
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attr.cb_size = 0U;
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// attr.stack_mem = nullptr;
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// attr.stack_size = 0U;
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// attr.priority = osPriorityNormal;
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CanConfig::mutex = osMutexNew(&attr);
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if (CanConfig::mutex == nullptr) {
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// 处理互斥锁创建失败的情况
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}
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}
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~CanConfigHelper()
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{
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if (CanConfig::mutex != nullptr) {
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// 释放互斥锁
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osMutexDelete(CanConfig::mutex);
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CanConfig::mutex = nullptr;
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}
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}
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};
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CanConfigHelper can_config_helper;
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// 私有构造函数实现
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CanConfig::CanConfig() : can_frame_id(0) {
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}
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// 静态方法，获取单例实例
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CanConfig* CanConfig::getInstance() {
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// 双重检查锁定，提高性能
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if (instance == nullptr) {
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// 获取互斥锁
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osMutexAcquire(mutex, osWaitForever);
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if (instance == nullptr) {
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instance = new CanConfig();
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}
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// 释放互斥锁
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osMutexRelease(mutex);
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}
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return instance;
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}
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// 设置 CAN 帧 ID
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void CanConfig::setCanFrameId(uint32_t id) {
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can_frame_id = id;
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}
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// 获取 CAN 帧 ID
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uint32_t CanConfig::getCanFrameId() const {
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return can_frame_id * CAN_FRAME_RANGE;
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}
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