Statistics
| Branch: | Tag: | Revision:

amiro-lld / include / alld_at24c01bn-sh-b.h @ fce9feec

History | View | Annotate | Download (3.19 KB)

1 d6728c5b Thomas Schöpping
/*
2
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
3
Copyright (C) 2016..2018  Thomas Schöpping et al.
4

5
This program is free software: you can redistribute it and/or modify
6 f0ca400f Thomas Schöpping
it under the terms of the GNU Lesser General Public License as published by
7 d6728c5b Thomas Schöpping
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 f0ca400f Thomas Schöpping
GNU Lesser General Public License for more details.
14 d6728c5b Thomas Schöpping

15 f0ca400f Thomas Schöpping
You should have received a copy of the GNU Lesser General Public License
16 d6728c5b Thomas Schöpping
along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
*/
18
19 5e2f673b Marc Rothmann
/**
20
 * @file    alld_at24c01bn-sh-b.h
21
 * @brief   EEPROM macros and structures.
22
 *
23
 * @addtogroup lld_eeprom
24
 * @{
25
 */
26
27 d6728c5b Thomas Schöpping
#ifndef _AMIROLLD_AT24C01BN_H_
28
#define _AMIROLLD_AT24C01BN_H_
29
30
#include <amiro-lld.h>
31
32
#if defined(AMIROLLD_CFG_USE_AT24C01BN) || defined(__DOXYGEN__)
33
34
/**
35
 * @brief Memory size of the EEPROM in bits.
36
 */
37
#define AT24C01BN_LLD_SIZE_BITS             1024
38
39
/**
40
 * @brief Memory size of the EEPROM in bytes
41
 */
42
#define AT24C01BN_LLD_SIZE_BYTES            128
43
44
45
/**
46
 * @brief Size of a page in bytes
47
 */
48
#define AT24C01BN_LLD_PAGE_SIZE_BYTES       8
49
50
/**
51
 * @brief  Time in microseconds a write operation takes to complete (I2C will not respond).
52
 * @note   The system should wait slightly longer.
53
 */
54
#define AT24C01BN_LLD_WRITECYCLETIME_US     5000
55
56
/**
57
 * @brief Maximum I2C frequency.
58
 */
59
#define AT24C01BN_LLD_I2C_MAXFREQUENCY      400000
60
61
/**
62
 * @brief Maximum I2C frequency at 5V.
63
 */
64
#define AT24C01BN_LLD_I2C_MAXFREQUENCY_5V   1000000
65
66
/**
67
 * @brief The AT24C01BN driver struct
68
 */
69
typedef struct {
70
  apalI2CDriver_t* i2cd;  /**< @brief The I2C Driver */
71 cf1f756b Thomas Schöpping
  apalI2Caddr_t addr;     /**< @brief The address of the AT24C01B for I2C communication, which is defined by the wiring of the A0, A1, A2 pins */
72 d6728c5b Thomas Schöpping
} AT24C01BNDriver;
73
74
/**
75
 * @brief Bitmasks for the I2C address, including the wiring of the A0, A1, A2 pins.
76
 */
77
enum {
78 cf1f756b Thomas Schöpping
  AT24C01BN_LLD_I2C_ADDR_FIXED      = 0x0050u,
79
  AT24C01BN_LLD_I2C_ADDR_A0         = 0x0001u,
80
  AT24C01BN_LLD_I2C_ADDR_A1         = 0x0002u,
81
  AT24C01BN_LLD_I2C_ADDR_A2         = 0x0004u,
82 d6728c5b Thomas Schöpping
};
83
84
#ifdef __cplusplus
85
extern "C" {
86
#endif
87
  apalExitStatus_t at24c01bn_lld_poll_ack(const AT24C01BNDriver* const at24c01bn, const apalTime_t timeout);
88
  apalExitStatus_t at24c01bn_lld_read_current_address(const AT24C01BNDriver* const at24c01bn, uint8_t* const data, const uint8_t num, const apalTime_t timeout);
89
  apalExitStatus_t at24c01bn_lld_read(const AT24C01BNDriver* const at24c01bn, const uint8_t addr, uint8_t* const data, const uint8_t num, const apalTime_t timeout);
90
  apalExitStatus_t at24c01bn_lld_write_byte(const AT24C01BNDriver* const at24c01bn, const uint8_t addr, const uint8_t data, const apalTime_t timeout);
91
  apalExitStatus_t at24c01bn_lld_write_page(const AT24C01BNDriver* const at24c01bn, const uint8_t addr, const uint8_t* const data, const uint8_t num, const apalTime_t timeout);
92
#ifdef __cplusplus
93
}
94
#endif
95
96
#endif /* defined(AMIROLLD_CFG_USE_AT24C01BN) */
97
98
#endif /* _AMIROLLD_AT24C01BN_H_ */
99
100 5e2f673b Marc Rothmann
/** @} */