eeprom_i2c.c ファイル

EEPROMドライバ(I2C接続) [詳解]

#include "device/i2c_ioctl.h"
#include "device.h"
#include "tkprintf.h"
#include "str.h"

eeprom_i2c.c の依存先関係図:

[ソースコード]

マクロ定義
#define	USEBLOCKWRITE
#define	DEV_ADDR0   0x50
#define	DEV_ADDR1   0x51
#define	EEPROMSIZE   ((long)1024*1024/8)
#define	ONEDEVSIZE   (64*1024)
#define	BLOCKSIZE   256

関数
static int	eeprom_register (struct st_device *dev, char *param)
static int	eeprom_unregister (struct st_device *dev)
static int	eeprom_open (struct st_device *dev)
static int	eeprom_close (struct st_device *dev)
static int	eeprom_read (struct st_device *dev, void *data, unsigned int size)
static int	eeprom_write (struct st_device *dev, const void *data, unsigned int size)
static int	eeprom_seek (struct st_device *dev, int offset, int whence)

変数
static struct st_device *	i2c_dev
static char	i2c_devname [MAX_DEVNAMELRN]
static unsigned long	eeprom_addr
const struct st_device	eeprom_device

詳解

EEPROMドライバ(I2C接続)

日付

2015.09.27

著者

Takashi SHUDO

24C1024等 AKI-H8/3069用

eeprom_i2c.c に定義があります。

変数詳解

eeprom_device

const struct st_device eeprom_device

初期値:

= {
        .name           = DEF_DEV_NAME_EEPRMOM,
        .explan         = "EEPROM(24C1024)",
        .register_dev   = eeprom_register,
        .unregister_dev = eeprom_unregister,
        .open           = eeprom_open,
        .close          = eeprom_close,
        .read           = eeprom_read,
        .write          = eeprom_write,
        .seek           = eeprom_seek
}

eeprom_i2c.c の 145 行目に定義があります。