65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
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/*
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Copyright 2012 Uladzimir Pylinski aka barthess.
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You may use this work without restrictions, as long as this notice is included.
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The work is provided "as is" without warranty of any kind, neither express nor implied.
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*/
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#ifndef HAL_EE24XX_H
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#define HAL_EE24XX_H
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#include "hal.h"
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#if defined(HAL_USE_EEPROM) && HAL_USE_EEPROM && EEPROM_USE_EE24XX
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#define EEPROM_DEV_24XX 24
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/**
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* @extends EepromFileConfig
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*/
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typedef struct {
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_eeprom_file_config_data
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/**
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* Driver connected to IC.
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*/
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I2CDriver *i2cp;
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/**
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* Address of IC on I2C bus.
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*/
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i2caddr_t addr;
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/**
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* Pointer to write buffer. The safest size is (pagesize + 2)
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*/
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uint8_t *write_buf;
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} I2CEepromFileConfig;
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/**
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* @brief @p I2CEepromFileStream specific data.
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*/
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#define _eeprom_file_stream_data_i2c \
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_eeprom_file_stream_data
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/**
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* @extends EepromFileStream
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*
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* @brief EEPROM file stream driver class for I2C device.
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*/
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typedef struct {
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const struct EepromFileStreamVMT *vmt;
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_eeprom_file_stream_data_i2c
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/* Overwritten parent data member. */
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const I2CEepromFileConfig *cfg;
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} I2CEepromFileStream;
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/**
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* Open I2C EEPROM IC as file and return pointer to the file stream object
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* @note Fucntion allways successfully open file. All checking makes
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* in read/write functions.
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*/
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#define I2CEepromFileOpen(efs, eepcfg, eepdev) \
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EepromFileOpen((EepromFileStream *)efs, (EepromFileConfig *)eepcfg, eepdev);
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#endif /* #if defined(EEPROM_USE_EE24XX) && EEPROM_USE_EE24XX */
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#endif // HAL_EE24XX_H
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