开发板NuTiny-SDK-M051
用Keil C开发8051程序,一般8051是要声明SFR
而M051例程的声明都是#include "M051Series.h"
但例程compiled可以pass,可是自建工程就会出现如下error
C:\Keil\ARM\Inc\Nuvoton\M051Series\M051Series.h(76): error: #5: cannot open source input file "System\SysInfra.h": No such file or directory