【正文】 的初始化 ..................................................................................................................... 9 i2c_init 函數(shù) .................................................................................................................................... 9 i2cproc_init 函數(shù) ............................................................................................................................ 10 第 3 章 安裝、卸載 pxa255 的 i2c 適配器驅(qū)動程序 ................................................................................ 12 pxa_i2c 數(shù)據(jù)結(jié)構(gòu) ........................................................................................................................... 12 i2c_adap_pxa_init 函數(shù) ................................................................................................................... 14 i2c_add_adapter函數(shù) ...................................................................................................................... 15 i2c_del_adapter 函數(shù) ....................................................................................................................... 17 i2c_adap_pxa_exit 函數(shù) ................................................................................................................... 19 第 4 章 安裝、卸載 ltc3445驅(qū)動程序 .................................................................................................... 20 ltc3445_init 函數(shù) ............................................................................................................................ 20 i2c_add_driver 函數(shù) ........................................................................................................................ 21 i2c_probe 函數(shù) ............................................................................................................................... 22 i2c_check_functionality 函數(shù) ........................................................................................................... 25 i2c_smbus_xfer 函數(shù) ....................................................................................................................... 26 i2c_transfer函數(shù) ............................................................................................................................ 28 ltc3445_detect_client 函數(shù) ............................................................................................................... 29 i2c_attach_client 函數(shù) ..................................................................................................................... 30 ltc3445_cleanup函數(shù) ...................................................................................................................... 31 i2c_del_driver 函數(shù) ......................................................................................................................... 32 ltc3445_detach_client 函數(shù) .............................................................................................................. 34 i2c_detach_client 函數(shù) .................................................................................................................... 34 第 5 章 與 pxa255 的 i2c 適配器相關(guān)的代碼 .......................................................................................... 36 i2c_pxa_reset 函數(shù) ......................................................................................................................... 36 i2c_pxa_abort 函數(shù) ......................................................................................................................... 37 目錄 2 i2c_pxa_xfer 函數(shù) .......................................................................................................................... 37 i2c_pxa_do_xfer 函數(shù) ..................................................................................................................... 38 i2c_pxa_start_message 函數(shù) ............................................................................................................ 40 i2c_pxa_handler 函數(shù) ...................................................................................................................... 41 i2c_pxa_irq_txempty 函數(shù) ............................................................................................................... 41 i2c_pxa_irq_rxfull函數(shù) ................................................................................................................... 46 第 6 章 i2cdev 的初始化 ...................................................................................................................... 48 i2c_dev_init 函數(shù) ........................................................................................................................... 48 i2cdev_attach_adapter 函數(shù) ............................................................................................................. 49 第 7 章 i2c 框架提供的設(shè)備訪問方法 .................................................................................................... 51 i2cdev_open函數(shù) ........................................................................................................................... 51 i2cdev_ioctl函數(shù) ............................................................................................................................ 52 i2cdev_read函數(shù) ............................................................................................................................ 53 i2c_master_recv函數(shù) ...................................................................................................................... 54 對 i2cdev_read 和 i2c_master_recv 的修改 ........................................................................................ 55 i2cdev_release 函數(shù) ........................................................................................................................ 58 第 8 章 編寫 i2c 設(shè)備驅(qū)動程序模塊的方法 ............................................................................................ 60 第 9 章 用戶進程訪問 i2c 設(shè)備的步驟 ......................