我的問(wèn)題是：我寫(xiě)數(shù)碼管從0到F 的顯示，編譯結(jié)果是0錯(cuò)誤，2個(gè)警告，我查來(lái)查去也沒(méi)什么錯(cuò)誤，我就去拿別人編譯通過(guò)的例程來(lái)重新編譯，也出現(xiàn)0錯(cuò)誤，2警告。就這樣，不知道哪問(wèn)題材，請(qǐng)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). |
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