请高手看看keil 4为何无法编译hex

thbsj

完全按照【机器人创意工作室教程七】WIFI智能小车机器人驱动板源代码合成与编写 http://www.wifi-robots.com/thread-2401-1-1.html，在新发布的全功能源代码上修改后大灯开关后不能编译，后来发现源文件不修改也不能编译，提示错误如下：Build target 'Target 1'
compiling main.c...
SOURCE\MAIN.C(34): warning C206: 'Cruising_Mod': missing function-prototype
compiling motor.c...
SOURCE\MOTOR.C(184): warning C291: not every exit path returns a value
compiling timer.c...
compiling uart.c...
compiling SelfTest.c...
linking...
BL51 BANKED LINKER/LOCATER V6.22 - SN: Eval Version
COPYRIGHT KEIL ELEKTRONIK GmbH 1987 - 2009
"main.obj",
"motor.obj",
"timer.obj",
"uart.obj",
"SelfTest.obj",
".\lib\STEER.LIB",
".\lib\IR.LIB",
".\lib\MEM.LIB"
TO "motor_con"
RAMSIZE(256)
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?SEND_DISTANCE?MOTOR
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?_DELAY_FORBARRIER?MOTOR
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?_UART_SEND?UART
*** WARNING L15: MULTIPLE CALL TO SEGMENT
    SEGMENT: ?PR?INIT_STEER?TIMER
    CALLER1: ?PR?UART_INTERRUPT_RECEIVE?UART
    CALLER2: ?C_C51STARTUP
******************************************************************************
* RESTRICTED VERSION WITH 0800H BYTE CODE SIZE LIMIT; USED: 0828H BYTE (101%) *
******************************************************************************
Program Size: data=59.3 xdata=203 code=3883
LINK/LOCATE RUN COMPLETE.  4 WARNING(S),  0 ERROR(S)
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?SEND_DISTANCE?MOTOR
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?_DELAY_FORBARRIER?MOTOR
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?_UART_SEND?UART
*** WARNING L15: MULTIPLE CALL TO SEGMENT
    SEGMENT: ?PR?INIT_STEER?TIMER
    CALLER1: ?PR?UART_INTERRUPT_RECEIVE?UART
    CALLER2: ?C_C51STARTUP
*** FATAL ERROR L250: CODE SIZE LIMIT IN RESTRICTED VERSION EXCEEDED
    MODULE:  D:\KEIL\C51\LIB\C51S.LIB (-----)
    LIMIT:   0800H BYTES
Target not created

liuviking

感觉是不是你的C51库没有安装正确？

thbsj

不好意思，我发现问题所在了，没有解密Keil。

suyijiang

时间上限值啦。最大到2009年

zscwell

没有注册，安装完keil要注册才能正常使用