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我复制冲哥的USB cdc,为什么在他的程序编译没有警告,我的移植的编译有7条警告,高手帮忙看看什么情况
Rebuild target 'Target 1'
compiling main.c...
compiling delay.c...
compiling LCD_7789.C...
compiling ADC32.c...
compiling pwm.c...
compiling key_multi.c...
linking...
*** WARNING L27: INCOMPATIBLE INTERRUPT FRAME SIZE
MODULE: .\stc_usb_cdc_32_interrupt.LIB (usb)
FRAME: 4 BYTES SAVED ON INTERRUPT
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
NAME: OLED12864_SetHeader/util
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
NAME: LCD12864_SetBuffer/util
*** WARNING L57: UNCALLED FUNCTION, IGNORED FOR OVERLAY PROCESS
NAME: key_delayms/key_multi
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
NAME: VSPRINTF/VSPRINTF
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
NAME: OUT/VSPRINTF
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
NAME: PUTCH/VSPRINTF
Program Size: data=8.3 edata+hdata=393 xdata=192 const=15172 code=8894
creating hex file from ".\Objects\hantai"...
".\Objects\hantai" - 0 Error(s), 7 Warning(s).
Build Time Elapsed: 00:00:01
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