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Title: 警惕C++里的构造函数 · Issue #31 · RTduino/RTduino · GitHub

Open Graph Title: 警惕C++里的构造函数 · Issue #31 · RTduino/RTduino

X Title: 警惕C++里的构造函数 · Issue #31 · RTduino/RTduino

Description: 构造函数里初始化设备这种行为可能会引发一些行为不可控。因为构造函数什么时候初始化并不确定,例如,一旦传感器通过构造函数初始化的时机比IIc设备框架要早,那么,传感器肯定是不工作的。例如: SmartDrive smd = SmartDrive(SmartDrive_DefaultAddress); //<= 这个函数内部调用了Wire.begin函数, 调用Wire.begin初始化的时候很有可能iic都没有初始化. 因此最好的方法是将其放在setup函数中。 void...

Open Graph Description: 构造函数里初始化设备这种行为可能会引发一些行为不可控。因为构造函数什么时候初始化并不确定,例如,一旦传感器通过构造函数初始化的时机比IIc设备框架要早,那么,传感器肯定是不工作的。例如: SmartDrive smd = SmartDrive(SmartDrive_DefaultAddress); //<= 这个函数内部调用了Wire.begin函数, 调用Wire.begin初始化的时候很...

X Description: 构造函数里初始化设备这种行为可能会引发一些行为不可控。因为构造函数什么时候初始化并不确定,例如,一旦传感器通过构造函数初始化的时机比IIc设备框架要早,那么,传感器肯定是不工作的。例如: SmartDrive smd = SmartDrive(SmartDrive_DefaultAddress); //<= 这个函数内部调用了Wire.begin函数, 调用Wire.begin初始化的...

Opengraph URL: https://github.com/RTduino/RTduino/issues/31

X: @github

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Hey, it has json ld scripts:
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og:image:alt构造函数里初始化设备这种行为可能会引发一些行为不可控。因为构造函数什么时候初始化并不确定,例如,一旦传感器通过构造函数初始化的时机比IIc设备框架要早,那么,传感器肯定是不工作的。例如: SmartDrive smd = SmartDrive(SmartDrive_DefaultAddress); //<= 这个函数内部调用了Wire.begin函数, 调用Wire.begin初始化的时候很...
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