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模仿稚晖君MonoUI风格的超丝滑菜单,使用EC11旋转编码器控制。

C++ 0.57% C 98.55% CMake 0.01% Assembly 0.87% Batchfile 0.01%

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wououi's Issues

attachInterrupt函数中使用delay疑问

文档中这一行有提到过使用旋钮质量不好的话会有问题

我在参考Arduino关于attachInterrupt函数的文档时看到有这样一段描述:

Inside the attached function, delay() won’t work and ... ... . You should declare as volatile any variables that you modify within the attached function. See the section on ISRs below for more information.

以及:

Since delay() requires interrupts to work, it will not work if called inside an ISR.

文档链接

请问一下是否意味着btn_scan()函数中delay()没有生效导致部分旋钮会出现问题,以及btnstruct声明是否应该使用volatile关键字修饰以保证变量修改操作的原子性,即如下代码:

struct
{
    uint8_t   id;
    // other fields
} volatile btn;

或者:

volatile struct
{
    uint8_t   id;
    // other fields
} btn;

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