amiro-lld / drivers / AT24C01B / v1 / alld_AT24C01B.h @ 72369edc
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/*
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AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
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Copyright (C) 2016..2019 Thomas Schöpping et al.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file alld_AT24C01B.h
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* @brief EEPROM macros and structures.
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*
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* @addtogroup lld_eeprom
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* @{
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*/
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#ifndef AMIROLLD_AT24C01B_H
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#define AMIROLLD_AT24C01B_H
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#include <amiro-lld.h> |
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/******************************************************************************/
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/* CONSTANTS */
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/******************************************************************************/
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/**
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* @brief Memory size of the EEPROM in bits.
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*/
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#define AT24C01B_LLD_SIZE_BITS 1024 |
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/**
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* @brief Memory size of the EEPROM in bytes
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*/
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#define AT24C01B_LLD_SIZE_BYTES 128 |
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/**
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* @brief Size of a page in bytes
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*/
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#define AT24C01B_LLD_PAGE_SIZE_BYTES 8 |
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/**
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* @brief Time in microseconds a write operation takes to complete (I2C will not respond).
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* @note The system should wait slightly longer.
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*/
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#define AT24C01B_LLD_WRITECYCLETIME_US 5000 |
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/**
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* @brief Maximum I2C frequency.
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*/
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#define AT24C01B_LLD_I2C_MAXFREQUENCY 400000 |
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/**
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* @brief Maximum I2C frequency at 5V.
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*/
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#define AT24C01B_LLD_I2C_MAXFREQUENCY_5V 1000000 |
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/******************************************************************************/
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/* SETTINGS */
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/******************************************************************************/
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/******************************************************************************/
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/* CHECKS */
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/******************************************************************************/
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/******************************************************************************/
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/* DATA STRUCTURES AND TYPES */
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/******************************************************************************/
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/**
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* @brief The AT24C01B driver struct
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*/
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typedef struct { |
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apalI2CDriver_t* i2cd; /**< @brief The I2C Driver */
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apalI2Caddr_t addr; /**< @brief The address of the AT24C01B for I2C communication, which is defined by the wiring of the A0, A1, A2 pins */
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} AT24C01BDriver; |
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/**
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* @brief Bitmasks for the I2C address, including the wiring of the A0, A1, A2 pins.
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*/
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enum {
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AT24C01B_LLD_I2C_ADDR_FIXED = 0x0050u,
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AT24C01B_LLD_I2C_ADDR_A0 = 0x0001u,
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AT24C01B_LLD_I2C_ADDR_A1 = 0x0002u,
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AT24C01B_LLD_I2C_ADDR_A2 = 0x0004u,
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}; |
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/******************************************************************************/
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/* MACROS */
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/******************************************************************************/
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/******************************************************************************/
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/* EXTERN DECLARATIONS */
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/******************************************************************************/
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#ifdef __cplusplus
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extern "C" { |
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#endif
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apalExitStatus_t at24c01b_lld_poll_ack(const AT24C01BDriver* const at24c01b, const apalTime_t timeout); |
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apalExitStatus_t at24c01b_lld_read_current_address(const AT24C01BDriver* const at24c01b, uint8_t* const data, const uint8_t num, const apalTime_t timeout); |
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apalExitStatus_t at24c01b_lld_read(const AT24C01BDriver* const at24c01b, const uint8_t addr, uint8_t* const data, const uint8_t num, const apalTime_t timeout); |
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apalExitStatus_t at24c01b_lld_write_byte(const AT24C01BDriver* const at24c01b, const uint8_t addr, const uint8_t data, const apalTime_t timeout); |
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apalExitStatus_t at24c01b_lld_write_page(const AT24C01BDriver* const at24c01b, const uint8_t addr, const uint8_t* const data, const uint8_t num, const apalTime_t timeout); |
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#ifdef __cplusplus
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} |
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#endif
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/******************************************************************************/
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/* INLINE FUNCTIONS */
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/******************************************************************************/
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#endif /* AMIROLLD_AT24C01BN_H */ |
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/** @} */
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