USB-CDC/就是串口

32位80***

USB-CDC/就是虚拟串口/就是串口，在用户程序区用 AISTC 提供的 USB库，
P3.0/D-, P3.1/D+ 直接跟电脑USB-CDC通信，就是虚拟串口通信

STC國***

例程哪里下载？

32位80***

STC國*** 发表于 2022-12-2 09:37
例程哪里下载？

官网https://www.stcai.com/hxgnsyb即可下载

jackf***

mo***

yuye***

都用USB了，干嘛还用串口，降级使用？

哈哈***

yuye*** 发表于 2024-8-18 16:11
都用USB了，干嘛还用串口，降级使用？

USB模拟串口，不用驱动，插上就能使用

mo***

操作系统自带驱动，不用额外安装驱动，使用比较方便

cod***

Build started: Project: seekfree
Build target 'AI8051U_32bit'
linking...
*** WARNING L14: INCOMPATIBLE MEMORY MODEL
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (usb)
    MODEL:   XSMALL
*** ERROR L103: EXTERNAL ATTRIBUT DO NOT MATCH PUBLIC
    SYMBOL:  OutNumber
    MODULE:  .\out_file\main.obj (main)
   DEFINED:  ..\user\stc_usb_cdc_32g_huge.LIB (usb)
*** WARNING L14: INCOMPATIBLE MEMORY MODEL
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (usb_req_class)
    MODEL:   XSMALL
*** WARNING L14: INCOMPATIBLE MEMORY MODEL
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (usb_req_std)
    MODEL:   XSMALL
*** WARNING L14: INCOMPATIBLE MEMORY MODEL
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (usb_req_vendor)
    MODEL:   XSMALL
*** WARNING L14: INCOMPATIBLE MEMORY MODEL
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (util)
    MODEL:   XSMALL
*** WARNING L14: INCOMPATIBLE MEMORY MODEL
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (usb_desc)
    MODEL:   XSMALL
*** ERROR L103: EXTERNAL ATTRIBUT DO NOT MATCH PUBLIC
    SYMBOL:  ?vsprintf??BYTE
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (usb)
   DEFINED:  D:\KEIL_V5\C251\LIB\C2SDPL.LIB (VSPRINTF?)
*** ERROR L127: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  USB_SendData
    MODULE:  .\out_file\main.obj (main)
*** ERROR L127: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  usb_init
    MODULE:  .\out_file\main.obj (main)
*** ERROR L127: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  set_usb_OUT_callback
    MODULE:  .\out_file\main.obj (main)
*** ERROR L128: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  usb_init
    MODULE:  .\out_file\main.obj (main)
    ADDRESS: FF641CH
*** ERROR L128: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  set_usb_OUT_callback
    MODULE:  .\out_file\main.obj (main)
    ADDRESS: FF6423H
*** ERROR L118: REFERENCE MADE TO ERRONEOUS EXTERNAL
    SYMBOL:  OutNumber
    MODULE:  .\out_file\main.obj (main)
    ADDRESS: FF6795H
*** ERROR L128: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  USB_SendData
    MODULE:  .\out_file\main.obj (main)
    ADDRESS: FF679BH
*** ERROR L118: REFERENCE MADE TO ERRONEOUS EXTERNAL
    SYMBOL:  ?vsprintf??BYTE
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (usb)
    ADDRESS: FF726DH
*** ERROR L118: REFERENCE MADE TO ERRONEOUS EXTERNAL
    SYMBOL:  ?vsprintf??BYTE
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (util)
    ADDRESS: FF6968H
*** ERROR L118: REFERENCE MADE TO ERRONEOUS EXTERNAL
    SYMBOL:  ?vsprintf??BYTE
    MODULE:  ..\user\stc_usb_cdc_32g_huge.LIB (util)
    ADDRESS: FF699FH
Program Size: data=8.4 edata+hdata=1842 xdata=2157 const=3686 code=32077
Target not created.
Build Time Elapsed:  00:00:01

lib到地怎么用啊