/* This software uses a BSD license. Copyright (c) 2010, Sean Cross / chumby industriesAll rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
问题: linux i2c 的通信函数i2c_transfer在什么情况下出现错误描述: linux i2c设备驱动 本人在写i2c设备驱动的时候使用i2c transfer函数进行通信的时候无法进行读写,返回值函数是-11,这个返回值是什么意思, 解决方案1: 参考errno-base.h #define EPERM 1 /* Operation not permitted */#define ENOENT 2 /* No such file or directory */#define