我的问题是:我写数码管从0到F 的显示,编译结果是0错误,2个警告,我查来查去也没什么错误,我就去拿别人编译通过的例程来重新编译,也出现0错误,2警告。就这样,不知道哪问题材,请高手指教。 Build target 'Target 1'
assembling STARTUP.A51...
compiling lesson5.c...
linking...
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
SYMBOL: _DELAY
MODULE: lesson5.obj (LESSON5)
*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
SYMBOL: _DELAY
MODULE: lesson5.obj (LESSON5)
ADDRESS: 001EH
Program Size: data=10.0 xdata=0 code=71
creating hex file from "lesson5"...
"lesson5" - 0 Error(s), 2 Warning(s). |