为啥打开KEIL5工程直接编译会出错？

发布于 2020-11-16 11:55:59 浏览：1701 订阅该版

我下载了4.0.1版本，打开了stm32f10x的工程文件，编译后出现以下错误。
```
../../src/kservice.c(842): error:  #929: incorrect use of va_arg
              field_width = va_arg(args, int);
../../src/kservice.c(861): error:  #929: incorrect use of va_arg
                  precision = va_arg(args, int);
../../src/kservice.c(901): error:  #929: incorrect use of va_arg
              c = (rt_uint8_t)va_arg(args, int);
../../src/kservice.c(914): error:  #929: incorrect use of va_arg
              s = va_arg(args, char *);
../../src/kservice.c(953): error:  #929: incorrect use of va_arg
                                 (long)va_arg(args, void *),
../../src/kservice.c(1007): error:  #929: incorrect use of va_arg
              num = va_arg(args, rt_uint32_t);
../../src/kservice.c(1012): error:  #929: incorrect use of va_arg
              num = (rt_uint16_t)va_arg(args, rt_int32_t);
../../src/kservice.c(1017): error:  #929: incorrect use of va_arg
              num = va_arg(args, rt_uint32_t);
../../src/kservice.c(1055): error:  #928: incorrect use of va_start
      va_start(args, fmt);
../../src/kservice.c(1055): error:  #253: expected a ","
```