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- /*
- * 1-Wire implementation for the ds2760 chip
- *
- * Copyright © 2004-2005, Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
- *
- * Use consistent with the GNU GPL is permitted,
- * provided that this copyright notice is
- * preserved in its entirety in all copies and derived works.
- *
- */
- #ifndef __w1_ds2760_h__
- #define __w1_ds2760_h__
- /* Known commands to the DS2760 chip */
- #define W1_DS2760_SWAP 0xAA
- #define W1_DS2760_READ_DATA 0x69
- #define W1_DS2760_WRITE_DATA 0x6C
- #define W1_DS2760_COPY_DATA 0x48
- #define W1_DS2760_RECALL_DATA 0xB8
- #define W1_DS2760_LOCK 0x6A
- /* Number of valid register addresses */
- #define DS2760_DATA_SIZE 0x40
- #define DS2760_PROTECTION_REG 0x00
- #define DS2760_STATUS_REG 0x01
- #define DS2760_STATUS_IE (1 << 2)
- #define DS2760_STATUS_SWEN (1 << 3)
- #define DS2760_STATUS_RNAOP (1 << 4)
- #define DS2760_STATUS_PMOD (1 << 5)
- #define DS2760_EEPROM_REG 0x07
- #define DS2760_SPECIAL_FEATURE_REG 0x08
- #define DS2760_VOLTAGE_MSB 0x0c
- #define DS2760_VOLTAGE_LSB 0x0d
- #define DS2760_CURRENT_MSB 0x0e
- #define DS2760_CURRENT_LSB 0x0f
- #define DS2760_CURRENT_ACCUM_MSB 0x10
- #define DS2760_CURRENT_ACCUM_LSB 0x11
- #define DS2760_TEMP_MSB 0x18
- #define DS2760_TEMP_LSB 0x19
- #define DS2760_EEPROM_BLOCK0 0x20
- #define DS2760_ACTIVE_FULL 0x20
- #define DS2760_EEPROM_BLOCK1 0x30
- #define DS2760_STATUS_WRITE_REG 0x31
- #define DS2760_RATED_CAPACITY 0x32
- #define DS2760_CURRENT_OFFSET_BIAS 0x33
- #define DS2760_ACTIVE_EMPTY 0x3b
- extern int w1_ds2760_read(struct device *dev, char *buf, int addr,
- size_t count);
- extern int w1_ds2760_write(struct device *dev, char *buf, int addr,
- size_t count);
- extern int w1_ds2760_store_eeprom(struct device *dev, int addr);
- extern int w1_ds2760_recall_eeprom(struct device *dev, int addr);
- #endif /* !__w1_ds2760_h__ */
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