I2C 驱动编程接口i2c_master_send()、i2c_master_recv()和i2c_transfer()比较
参考文章:http://blog.csdn.net/zclongembedded/article/details/8255977一、数据包I2C_MSGNamestructi2c_msg—anI2CtransactionsegmentbeginningwithSTARTstructi2c_msg{__u16addr;__u16flags;#defineI2C_M_TEN0x0010#defineI