真的很想知道为什么?keil大神给个解答!
时间:10-02
整理:3721RD
点击:
我在keil4中编译一个程序,很简单。可是总是有这样的警告,想知道为什么?
linking...
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
SYMBOL: ?C_START
MODULE: STARTUP.obj (?C_STARTUP)
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
SYMBOL: ?C_START
MODULE: STARTUP.obj (?C_STARTUP)
ADDRESS: 000DH
Program Size: data=9.0 xdata=0 code=15
"MB" - 0 Error(s), 2 Warning(s).
linking...
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
SYMBOL: ?C_START
MODULE: STARTUP.obj (?C_STARTUP)
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
SYMBOL: ?C_START
MODULE: STARTUP.obj (?C_STARTUP)
ADDRESS: 000DH
Program Size: data=9.0 xdata=0 code=15
"MB" - 0 Error(s), 2 Warning(s).
还是把程序贴上来好给你解决
C_START这个变量没有定义
C_START这个变量没有声明