米饭米饭吖
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LPC1778-EVB KEIL linking error
- 2018-05-04
..\Output\070Inch-AFM-NoStr.axf: Warning: L6170W: Mapping symbol #33 '$t' in .bss(GUIAA_Lib_d5.o:7) identifies code but is in a section not marked as executable...\Output\070Inch-AFM-NoStr.axf: Warning: L6170W: Mapping symbol #31 '$t' in .bss(GUI_Timer_d5.o:7) identifies code but is in a section not marked as executable...\Output\070Inch-AFM-NoStr.axf: Warning: L6170W: Mapping symbol #7 '$t' in .bss(GUI__ManageCache_d5.o:7) identifies code but is in a section not marked as executable...\Output\070Inch-AFM-NoStr.axf: Warning: L6170W: Mapping symbol #19 '$t' in .bss(GUI_Curs1_d5.o:8) identifies code but is in a section not marked as executable...\Output\070Inch-AFM-NoStr.axf: Warning: L6170W: Mapping symbol #89 '$t' in .bss(GUI_SetAlpha_d5.o:7) identifies code but is in a section not marked as executable...\Output\070Inch-AFM-NoStr.axf: Warning: L6170W: Mapping symbol #19 '$t' in .bss(GUI__Alpha_d5.o:7) identifies code but is in a section not marked as executable...\Output\070Inch-AFM-NoStr.axf: Error: L6405E: No .ANY selector matches GUI_SetAlpha_d5.o(.bss)...\Output\070Inch-AFM-NoStr.axf: Error: L6405E: No .ANY selector matches GUI__ManageCache_d5.o(.bss)...\Output\070Inch-AFM-NoStr.axf: Error: L6405E: No .ANY selector matches GUIAA_Lib_d5.o(.bss)...\Output\070Inch-AFM-NoStr.axf: Error: L6405E: No .ANY selector matches GUI__Alpha_d5.o(.bss)...\Output\070Inch-AFM-NoStr.axf: Error: L6405E: No .ANY selector matches GUI_Timer_d5.o(.bss)...\Output\070Inch-AFM-NoStr.axf: Error: L6405E: No .ANY selector matches GUI_Curs1_d5.o(.bss).Not enough information to list image symbols.Not enough information to list the image map.Finished: 2 information 6 warning and 6 error messages."..\Output\070Inch-AFM-NoStr.axf" - 6 Error(s) 6 Warning(s).
看原子哥的板子例程IIC问题
- 2018-05-02
看到原子哥貌似 IIC是用IO来模拟的 但是我看芯片手册是自带IIC功能的 为什么原子哥不用芯片的IIC而用模拟的呢？？？是自带的功能有缺陷嘛？还是其他原因？
卡尔曼算法与四元数算法比较
- 2018-04-30
针对加速度与陀螺仪获取的值，卡尔曼算法与四元数算法 1.哪一种需要芯片计算更多的时间（STM32系列），为什么？2.就实现难易度来说，哪一种算法比较好写？