If you have disabled or unused gpio banks the numbering range will be changed and the following (2*32)+2=66 formula will not work. Best regards, Kemal Ash P 9 年多前 in reply to Kemal R. Shakir Expert 1570 points hi kemal, here is the output root@am437x...
wiringPiSetup: mmap (GPIO) failed: Operation not permitted Tried to addiomem=relaxedto/boot/firmware/cmdline.txtas suggested in theDebian Wikiand running as root but it didn't make any difference. Originally posted by@albertmonzoin#107 (comment) ...
暂时不知道怎么解决这个问题,目前只能在4.4内核使用GPIO,否则会出现如下错误: wiringPiSetup: mmap (GPIO) failed: Operation not permitted
分享52 树莓派吧 go5555考虑考虑 fedora 31 server 装好了 用不了GPIO是什么鬼wiringPiSetup: mmap (GPIO) failed: Operation not permitted有大佬知道这是什么情况吗 。一直无法映射 分享回复赞 单片机吧 如果你也听说🍀 小白求助,这段是什么意思啊NVIC_Init1.NVIC_IRQChannelSubPriority = 0x01;NVIC_Init(&...
GPIO（英语：General-purpose input/output），通用型之输入输出的简称，功能类似8051的P0—P3，其接脚...
安装oracle时候在创建oracle用户后,切换oracle用户时,报如下错 [root@localhost ~]# su - oracle -bash: ulimit: max user processes: cannot modify limit: Operation not permitted 经查看结果是 忘记修改/etc/security/limits.conf 关于/etc/ 普通用户执行gpioset ...
return -EPERM; /* Operation not permitted */ } return qset->num; } /** * 功能:获取相应端口电平,写入相应的qset_dev->value,写到用户空间的readBuf * *inode: * *filp: * *readBuf:读数据缓存指针,用户空间的指针 * port:被读取的GPIO端口号 ...
ash: write error: Operation not permitted root@fsu:/home/fsu# 4、too many open file 文件打开没有close,网上找的gpio文件操作的代码(参考链接)有问题,操作完文件没有close; 本文参与 腾讯云自媒体同步曝光计划,分享自作者个人站点/博客。 原始发表:2022/10/08 ,如有侵权请联系 cloudcommunity@tencent.com ...
普通用户执行gpioset 普通用户执行ulimit,安装oracle时候在创建oracle用户后,切换oracle用户时,报如下错[root@localhost~]#su-oracle-bash:ulimit:maxuserprocesses:cannotmodifylimit:Operationnotpermitted经查看结果是忘记修改/etc/security/limits.conf关于/etc/
chgrp: changing group of '/var/run/docker.sock': Operation not permitted It is a known bug in our extension unrelated to your issue that shouldn’t cause any problems. It has been fixed recently, but you can safely ignore it. Try including the flag I mentioned above and let me know if...