51单片机警告:*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS

博客指出,出现特定警告是因为定义的函数或者代码段常量未被使用。

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出现这种警告是由于定义的函数或者代码段常量没有使用造成的。

linking... *** ERROR L104: MULTIPLE PUBLIC DEFINITIONS SYMBOL: TIMER0INIT MODULE: .\Objects\main.obj (MAIN) *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_SET_RTC?DS1302 *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_READ_RTC?DS1302 *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_AD_READ?IIC *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_EEPROM_WRITE?IIC *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_EEPROM_READ?IIC *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?CLS_INIT?INIT *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_BEEP?LED *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_RELAY?LED *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?PWM_INIT?PWM *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_SET_PWM?PWM *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?UARTINIT?UART *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?_PUTCHAR?UART *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?RD_ULTRA?ULTRASOUND *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?PR?TIMER0INIT?MAIN *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: SYSTEM_INIT MODULE: .\Objects\main.obj (MAIN) *** WARNING L1: UNRESOLVED EXTERNAL SYMBOL SYMBOL: DELAY1000US MODULE: .\Objects\main.obj (MAIN) *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: DELAY1000US MODULE: .\Objects\main.obj (MAIN) ADDRESS: 0B62H *** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL SYMBOL: SYSTEM_INIT MODULE: .\Objects\main.obj (MAIN) ADDRESS: 126FH *** ERROR L118: REFERENCE MADE TO ERRONEOUS EXTERNAL SYMBOL: TI
03-18
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