/* By Thomas.Lange@Corelatus.com 001025   $Revision: 1.6 $   Definitions for EEPROM/VOLT METER  DS2438   Copyright (C) 2000-2001 Corelatus AB */#ifndef INCeedevh#define INCeedevh#define E_DEBUG(fmt,args...) if( Debug ) printk(KERN_DEBUG"EE: " fmt, ##args)#define PORT_B_PAR ((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbpar#define PORT_B_ODR ((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbodr#define PORT_B_DIR ((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdir#define PORT_B_DAT ((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat#define SET_PORT_B_INPUT(Mask)  PORT_B_DIR &= ~(Mask)#define SET_PORT_B_OUTPUT(Mask) PORT_B_DIR |= Mask#define WRITE_PORT_B(Mask,Value) { \			if (Value) PORT_B_DAT |= Mask; \			else PORT_B_DAT &= ~(Mask); \		}#define WRITE_PORT(Value) WRITE_PORT_B(PB_EEPROM,Value)#define READ_PORT (PORT_B_DAT&PB_EEPROM)/* 64 bytes chip */#define EE_CHIP_SIZE 64/* We use this resistor for measuring the current drain on 3.3V */#define CURRENT_RESISTOR 0.022/* microsecs   Pull line down at least this long for reset pulse */#define RESET_LOW_TIME    490/* Read presence pulse after we release reset pulse */#define PRESENCE_TIMEOUT  100#define PRESENCE_LOW_TIME 200#define WRITE_0_LOW 80#define WRITE_1_LOW 2#define TOTAL_WRITE_LOW 80#define READ_LOW        2#define READ_TIMEOUT   10#define TOTAL_READ_LOW 80/*** Rom function commands ***/#define READ_ROM   0x33#define MATCH_ROM  0x55#define SKIP_ROM   0xCC#define SEARCH_ROM 0xF0/*** Memory_command_function ***/#define WRITE_SCRATCHPAD 0x4E#define READ_SCRATCHPAD  0xBE#define COPY_SCRATCHPAD  0x48#define RECALL_MEMORY    0xB8#define CONVERT_TEMP     0x44#define CONVERT_VOLTAGE  0xB4/* Chip is divided in 8 pages, 8 bytes each */#define EE_PAGE_SIZE 8/* All chip data we want are in page 0 *//* Bytes in page 0 */#define EE_P0_STATUS   0#define EE_P0_TEMP_LSB 1#define EE_P0_TEMP_MSB 2#define EE_P0_VOLT_LSB 3#define EE_P0_VOLT_MSB 4#define EE_P0_CURRENT_LSB 5#define EE_P0_CURRENT_MSB 6/* 40 byte user data is located at page 3-7 */#define EE_USER_PAGE_0 3#define USER_PAGES 5#endif /* INCeedevh */