amiro-lld / drivers / AT24C01B / v1 / alld_AT24C01B.h @ c9774bf5
History | View | Annotate | Download (4.713 KB)
| 1 |
/*
|
|---|---|
| 2 |
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
|
| 3 |
Copyright (C) 2016..2019 Thomas Schöpping et al.
|
| 4 |
|
| 5 |
This program is free software: you can redistribute it and/or modify
|
| 6 |
it under the terms of the GNU Lesser General Public License as published by
|
| 7 |
the Free Software Foundation, either version 3 of the License, or
|
| 8 |
(at your option) any later version.
|
| 9 |
|
| 10 |
This program is distributed in the hope that it will be useful,
|
| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
GNU Lesser General Public License for more details.
|
| 14 |
|
| 15 |
You should have received a copy of the GNU Lesser General Public License
|
| 16 |
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
| 17 |
*/
|
| 18 |
|
| 19 |
/**
|
| 20 |
* @file alld_AT24C01B.h
|
| 21 |
* @brief EEPROM macros and structures.
|
| 22 |
*
|
| 23 |
* @addtogroup lld_eeprom
|
| 24 |
* @{
|
| 25 |
*/
|
| 26 |
|
| 27 |
#ifndef AMIROLLD_AT24C01B_H
|
| 28 |
#define AMIROLLD_AT24C01B_H
|
| 29 |
|
| 30 |
#include <amiro-lld.h> |
| 31 |
|
| 32 |
/******************************************************************************/
|
| 33 |
/* CONSTANTS */
|
| 34 |
/******************************************************************************/
|
| 35 |
|
| 36 |
/**
|
| 37 |
* @brief Memory size of the EEPROM in bits.
|
| 38 |
*/
|
| 39 |
#define AT24C01B_LLD_SIZE_BITS 1024 |
| 40 |
|
| 41 |
/**
|
| 42 |
* @brief Memory size of the EEPROM in bytes
|
| 43 |
*/
|
| 44 |
#define AT24C01B_LLD_SIZE_BYTES 128 |
| 45 |
|
| 46 |
|
| 47 |
/**
|
| 48 |
* @brief Size of a page in bytes
|
| 49 |
*/
|
| 50 |
#define AT24C01B_LLD_PAGE_SIZE_BYTES 8 |
| 51 |
|
| 52 |
/**
|
| 53 |
* @brief Time in microseconds a write operation takes to complete (I2C will not respond).
|
| 54 |
* @note The system should wait slightly longer.
|
| 55 |
*/
|
| 56 |
#define AT24C01B_LLD_WRITECYCLETIME_US 5000 |
| 57 |
|
| 58 |
/**
|
| 59 |
* @brief Maximum I2C frequency.
|
| 60 |
*/
|
| 61 |
#define AT24C01B_LLD_I2C_MAXFREQUENCY 400000 |
| 62 |
|
| 63 |
/**
|
| 64 |
* @brief Maximum I2C frequency at 5V.
|
| 65 |
*/
|
| 66 |
#define AT24C01B_LLD_I2C_MAXFREQUENCY_5V 1000000 |
| 67 |
|
| 68 |
|
| 69 |
/******************************************************************************/
|
| 70 |
/* SETTINGS */
|
| 71 |
/******************************************************************************/
|
| 72 |
|
| 73 |
/******************************************************************************/
|
| 74 |
/* CHECKS */
|
| 75 |
/******************************************************************************/
|
| 76 |
|
| 77 |
/******************************************************************************/
|
| 78 |
/* DATA STRUCTURES AND TYPES */
|
| 79 |
/******************************************************************************/
|
| 80 |
|
| 81 |
/**
|
| 82 |
* @brief The AT24C01B driver struct
|
| 83 |
*/
|
| 84 |
typedef struct { |
| 85 |
apalI2CDriver_t* i2cd; /**< @brief The I2C Driver */
|
| 86 |
apalI2Caddr_t addr; /**< @brief The address of the AT24C01B for I2C communication, which is defined by the wiring of the A0, A1, A2 pins */
|
| 87 |
} AT24C01BDriver; |
| 88 |
|
| 89 |
/**
|
| 90 |
* @brief Bitmasks for the I2C address, including the wiring of the A0, A1, A2 pins.
|
| 91 |
*/
|
| 92 |
enum {
|
| 93 |
AT24C01B_LLD_I2C_ADDR_FIXED = 0x0050u,
|
| 94 |
AT24C01B_LLD_I2C_ADDR_A0 = 0x0001u,
|
| 95 |
AT24C01B_LLD_I2C_ADDR_A1 = 0x0002u,
|
| 96 |
AT24C01B_LLD_I2C_ADDR_A2 = 0x0004u,
|
| 97 |
}; |
| 98 |
|
| 99 |
/******************************************************************************/
|
| 100 |
/* MACROS */
|
| 101 |
/******************************************************************************/
|
| 102 |
|
| 103 |
/******************************************************************************/
|
| 104 |
/* EXTERN DECLARATIONS */
|
| 105 |
/******************************************************************************/
|
| 106 |
|
| 107 |
#ifdef __cplusplus
|
| 108 |
extern "C" { |
| 109 |
#endif
|
| 110 |
apalExitStatus_t at24c01b_lld_poll_ack(const AT24C01BDriver* const at24c01b, const apalTime_t timeout); |
| 111 |
apalExitStatus_t at24c01b_lld_read_current_address(const AT24C01BDriver* const at24c01b, uint8_t* const data, const uint8_t num, const apalTime_t timeout); |
| 112 |
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); |
| 113 |
apalExitStatus_t at24c01b_lld_write_byte(const AT24C01BDriver* const at24c01b, const uint8_t addr, const uint8_t data, const apalTime_t timeout); |
| 114 |
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); |
| 115 |
#ifdef __cplusplus
|
| 116 |
} |
| 117 |
#endif
|
| 118 |
|
| 119 |
/******************************************************************************/
|
| 120 |
/* INLINE FUNCTIONS */
|
| 121 |
/******************************************************************************/
|
| 122 |
|
| 123 |
#endif /* AMIROLLD_AT24C01BN_H */ |
| 124 |
|
| 125 |
/** @} */
|