MDK5.14软件的安装和破解都是按照原子的文档进行的 ，编译光盘中的跑马灯实验成功，可以运行和下载. 所以KEIL的问题的可能性比较小.

综合实验59项目工程是从光盘拷贝过来，没有修改，编译出现以下错误，有人碰到过吗，帮忙看看.


Build target 'Test'
compiling usart3.c...
..HARDWAREUSART3usart3.c(124): error:  #928: incorrect use of va_start
        va_start(ap,fmt);
..HARDWAREUSART3usart3.c(124): error:  #253: expected a ","
        va_start(ap,fmt);
..HARDWAREUSART3usart3.c(124): error:  #29: expected an expression
        va_start(ap,fmt);
..HARDWAREUSART3usart3.c: 0 warnings, 3 errors
compiling ff.c...
..FATFSsrcff.c(4513): error:  #928: incorrect use of va_start
        va_start(arp, fmt);
..FATFSsrcff.c(4513): error:  #253: expected a ","
        va_start(arp, fmt);
..FATFSsrcff.c(4513): error:  #29: expected an expression
        va_start(arp, fmt);
..FATFSsrcff.c(4543): error:  #929: incorrect use of va_arg
                        p = va_arg(arp, TCHAR*);
..FATFSsrcff.c(4552): error:  #929: incorrect use of va_arg
                        putc_bfd(&pb, (TCHAR)va_arg(arp, int)); continue;
..FATFSsrcff.c(4567): error:  #929: incorrect use of va_arg
                v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int));
..FATFSsrcff.c(4567): error:  #929: incorrect use of va_arg
                v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int));
..FATFSsrcff.c(4567): error:  #929: incorrect use of va_arg
                v = (f & 4) ? (DWORD)va_arg(arp, long) : ((d == 'D') ? (DWORD)(long)va_arg(arp, int) : (DWORD)va_arg(arp, unsigned int));
..FATFSsrcff.c: 0 warnings, 8 errors
compiling bitstreamf.c...
..AUDIOCODECflacflacdecitstreamf.c(31): error:  #5: cannot open source input file "stdbool.h": No such file or directory
  #include <stdbool.h>
..AUDIOCODECflacflacdecitstreamf.c: 0 warnings, 1 error
compiling flacdecoder.c...
..AUDIOCODECflacflacdecflacdecoder.c(35): error:  #5: cannot open source input file "stdbool.h": No such file or directory
  #include <stdbool.h>
..AUDIOCODECflacflacdecflacdecoder.c: 0 warnings, 1 error
"..OBJTEST.axf" - 13 Error(s), 0 Warning(s).
Target not created.
Build Time Elapsed:  00:00:09