解释'redefinition of 'void setup()''错误的含义 'redefinition of 'void setup()''错误意味着在你的代码中,void setup()函数被定义了多次。在C/C++、Arduino等编程环境中,setup()函数通常用于初始化设置,它应该在程序中被定义一次且仅一次。如果在同一个编译单元(通常是一个文件)或不同的编译单元中重复定义...
setup函数重复引用，在Arduino ide中 同一个名字的标签只能有一个setup 你肯定是在之前的文档中用过setup函数 所以你得把代码移动一下。还有就是在一个页面中 多个标签 比如标签1 标签2是只能用一个setup函数的 不能当作单独的2个文档写。
出乎我的意料,居然没有安装成功。按提示查看/var/log/vboxadd-setup.log [root@localhost cdrom]# cat /var/log/vboxadd-setup.log Could not find the X.Org or XFree86 Window System, skipping. 由于没装桌面,当然没有X.Org,这是一个正常的提示,不会导致编译失败。但是在/var/log目录下,我还注意到还...
button->desc = of_get_property(pp, "label", NULL); if (of_property_read_u32(pp, "linux,input-type", &button->type)) button->type = EV_KEY; button->wakeup = !!of_get_property(pp, "gpio-key,wakeup", NULL); if (of_property_read_u32(pp, "debounce-interval", &button->deboun...
Check to make sure you have all the latest libraries and board support packages.. there's been a lot of development on the core libraries and compiler settings lately, and this looks like the kind of version compatibility issue kicked up by that. ...
include/linux/fs.h:1892: note: previous definition of ‘set_nlink’ was here make[2]: *** [/tmp/vbox.0/vfsmod.o] Error 1 make[1]: *** [_module_/tmp/vbox.0] Error 2 make: *** [vboxsf] Error 2 Could not find the X.Org or XFree86 Window System, skipping. ...