嵌入式系统ucos如何移植到c51单片机，重点解释了局部变量的覆盖问题和函数的再入性问题。-Embedded System CENTER how to transplant c51 microcontroller, explained the focus of the coverage of local variables and function of reentry issues.

GD32F303系列ADC常规通道查询法，不过该实现方式不支持重入；(GD32F303 series ADC conventional channel query method, but this implementation does not support reentry;)