| User | Revision | Line number | New contents of line |
|---|
| Yann |
0:fa858f79d48d
|
1
|
/* mbed simplified access to RAMTRON FV24xx Serial 3V F-RAM Memory (I2C)
|
| Yann |
0:fa858f79d48d
|
2
|
* Copyright (c) 2013 ygarcia, MIT License
|
| Yann |
0:fa858f79d48d
|
3
|
*
|
| Yann |
0:fa858f79d48d
|
4
|
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
|
| Yann |
0:fa858f79d48d
|
5
|
* and associated documentation files (the "Software"), to deal in the Software without restriction,
|
| Yann |
0:fa858f79d48d
|
6
|
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
|
| Yann |
0:fa858f79d48d
|
7
|
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
|
| Yann |
0:fa858f79d48d
|
8
|
* furnished to do so, subject to the following conditions:
|
| Yann |
0:fa858f79d48d
|
9
|
*
|
| Yann |
0:fa858f79d48d
|
10
|
* The above copyright notice and this permission notice shall be included in all copies or
|
| Yann |
0:fa858f79d48d
|
11
|
* substantial portions of the Software.
|
| Yann |
0:fa858f79d48d
|
12
|
*
|
| Yann |
0:fa858f79d48d
|
13
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
|
| Yann |
0:fa858f79d48d
|
14
|
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
| Yann |
0:fa858f79d48d
|
15
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
| Yann |
0:fa858f79d48d
|
16
|
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
| Yann |
0:fa858f79d48d
|
17
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
| Yann |
0:fa858f79d48d
|
18
|
*/
|
| Yann |
0:fa858f79d48d
|
19
|
#if !defined(__FM24VXX_I2C_H__)
|
| Yann |
0:fa858f79d48d
|
20
|
#define __FM24VXX_I2C_H__
|
| Yann |
0:fa858f79d48d
|
21
|
|
| Yann |
0:fa858f79d48d
|
22
|
#include <string>
|
| Yann |
0:fa858f79d48d
|
23
|
#include <vector>
|
| Yann |
0:fa858f79d48d
|
24
|
|
| Yann |
0:fa858f79d48d
|
25
|
#include "FM24Vxx_IDs.h"
|
| Yann |
0:fa858f79d48d
|
26
|
#include "Debug.h" // Include mbed header + debug primitives. See DebugLibrary
|
| Yann |
0:fa858f79d48d
|
27
|
|
| Yann |
0:fa858f79d48d
|
28
|
namespace _FM24VXX_I2C {
|
| Yann |
0:fa858f79d48d
|
29
|
/** This class provides simplified I2C access to a RAMTRON FV24xx Serial 3V F-RAM Memory device. V0.0.0.1
|
| Yann |
0:fa858f79d48d
|
30
|
*
|
| Yann |
0:fa858f79d48d
|
31
|
* Note that RAMTRON FV24xx Serial 3V F-RAM Memory device could be powered at 3.3V or less only.
|
| Yann |
0:fa858f79d48d
|
32
|
* Note that this header file include following headers:
|
| Yann |
0:fa858f79d48d
|
33
|
* - <string>
|
| Yann |
0:fa858f79d48d
|
34
|
* - <vector>
|
| Yann |
0:fa858f79d48d
|
35
|
* - <mbed.h>
|
| Yann |
0:fa858f79d48d
|
36
|
*
|
| Yann |
0:fa858f79d48d
|
37
|
* @author Yann Garcia (Don't hesitate to contact me: garcia.yann@gmail.com)
|
| Yann |
0:fa858f79d48d
|
38
|
*/
|
| Yann |
0:fa858f79d48d
|
39
|
class CFM24VXX_I2C {
|
| Yann |
0:fa858f79d48d
|
40
|
/** Reference counter used to guarentee unicity of the instance of I2C class
|
| Yann |
0:fa858f79d48d
|
41
|
*/
|
| Yann |
0:fa858f79d48d
|
42
|
static unsigned char I2CModuleRefCounter;
|
| Yann |
0:fa858f79d48d
|
43
|
|
| Yann |
0:fa858f79d48d
|
44
|
/** Device address input: A1, A2 (Pins <2,3>). See FM24V10_ds.pdf - Clause Pin Configuration
|
| Yann |
0:fa858f79d48d
|
45
|
*/
|
| Yann |
0:fa858f79d48d
|
46
|
unsigned char _slaveAddress;
|
| Yann |
0:fa858f79d48d
|
47
|
/** WP state indicator (pin 7); true is write protected, false otherwise
|
| Yann |
0:fa858f79d48d
|
48
|
*/
|
| Yann |
0:fa858f79d48d
|
49
|
DigitalOut *_wp;
|
| Yann |
0:fa858f79d48d
|
50
|
/** An unique instance of I2C class
|
| Yann |
0:fa858f79d48d
|
51
|
*/
|
| Yann |
0:fa858f79d48d
|
52
|
I2C *_i2cInstance;
|
| Yann |
0:fa858f79d48d
|
53
|
/** Device ID. Used for Sleep mode
|
| Yann |
0:fa858f79d48d
|
54
|
*/
|
| Yann |
0:fa858f79d48d
|
55
|
CFM24VXX_IDs *_deviceID;
|
| Yann |
0:fa858f79d48d
|
56
|
public:
|
| Yann |
0:fa858f79d48d
|
57
|
/** Memory storage mode
|
| Yann |
0:fa858f79d48d
|
58
|
*/
|
| Yann |
0:fa858f79d48d
|
59
|
enum Mode {
|
| Yann |
0:fa858f79d48d
|
60
|
LittleEndian, //<! Little Endian mode: 0xA0B70708 is stored as 08: MSB and A0 LSB
|
| Yann |
0:fa858f79d48d
|
61
|
BigEndian //<! Little Endian mode: 0xA0B70708 is stored as AO: MSB and 08 LSB
|
| Yann |
0:fa858f79d48d
|
62
|
};
|
| Yann |
0:fa858f79d48d
|
63
|
public:
|
| Yann |
0:fa858f79d48d
|
64
|
/** Constructor with Write Protect command pin wired. Use it to manage the first I2C module
|
| Yann |
0:fa858f79d48d
|
65
|
*
|
| Yann |
0:fa858f79d48d
|
66
|
* @param p_sda: MBed pin for SDA
|
| Yann |
0:fa858f79d48d
|
67
|
* @param p_scl: MBed pin for SCL
|
| Yann |
0:fa858f79d48d
|
68
|
* @param p_address: Device address input: A1, A2 (Pins <2,3>)
|
| Yann |
0:fa858f79d48d
|
69
|
* @param p_wp: MBed pin to manage Write Protect input. If NC, WP is not managed, default value is NC, not connected
|
| Yann |
0:fa858f79d48d
|
70
|
* @param p_frequency: Frequency of the I2C interface (SCL), default value is 400KHz
|
| Yann |
0:fa858f79d48d
|
71
|
* Example:
|
| Yann |
0:fa858f79d48d
|
72
|
* - If A1 pin is tired to Vdd and A2 is tired to Vss, address shall '00000001'B
|
| Yann |
0:fa858f79d48d
|
73
|
*/
|
| Yann |
0:fa858f79d48d
|
74
|
CFM24VXX_I2C(const PinName p_sda, const PinName p_scl, const unsigned char p_address, const PinName p_wp = NC, const unsigned int p_frequency = 400000);
|
| Yann |
0:fa858f79d48d
|
75
|
|
| Yann |
0:fa858f79d48d
|
76
|
/** Destructor
|
| Yann |
0:fa858f79d48d
|
77
|
*/
|
| Yann |
0:fa858f79d48d
|
78
|
virtual ~CFM24VXX_I2C();
|
| Yann |
0:fa858f79d48d
|
79
|
|
| Yann |
0:fa858f79d48d
|
80
|
/** Used to return the unique instance of I2C instance
|
| Yann |
0:fa858f79d48d
|
81
|
*/
|
| Yann |
0:fa858f79d48d
|
82
|
inline const I2C * operator * () { return (const I2C *)_i2cInstance; };
|
| Yann |
0:fa858f79d48d
|
83
|
|
| Yann |
0:fa858f79d48d
|
84
|
/** Used to return the unique device identifier
|
| Yann |
0:fa858f79d48d
|
85
|
*/
|
| Yann |
0:fa858f79d48d
|
86
|
inline const CFM24VXX_IDs * GetDevideID() { return (const CFM24VXX_IDs *)_deviceID; };
|
| Yann |
0:fa858f79d48d
|
87
|
|
| Yann |
0:fa858f79d48d
|
88
|
/**
|
| Yann |
0:fa858f79d48d
|
89
|
* Used to swith high speed mode
|
| Yann |
0:fa858f79d48d
|
90
|
* @param highSpeedMode Set to true to switch to high speed mode
|
| Yann |
0:fa858f79d48d
|
91
|
* @remark See FM24V10_ds.pdf Page 4/16 Clause High Speed Mode (HS-mode)
|
| Yann |
0:fa858f79d48d
|
92
|
*/
|
| Yann |
0:fa858f79d48d
|
93
|
inline void SwitchSpeedMode(const bool highSpeedMode) { /* FIXME To be done */ };
|
| Yann |
0:fa858f79d48d
|
94
|
|
| Yann |
0:fa858f79d48d
|
95
|
/**
|
| Yann |
0:fa858f79d48d
|
96
|
* Used to enter in sleep mode
|
| Yann |
0:fa858f79d48d
|
97
|
* @remark See FM24V10_ds.pdf Page 8/16 Clause Sleep Mode
|
| Yann |
0:fa858f79d48d
|
98
|
*/
|
| Yann |
0:fa858f79d48d
|
99
|
inline void EnterSleepMode() { /* FIXME To be done */ };
|
| Yann |
0:fa858f79d48d
|
100
|
|
| Yann |
0:fa858f79d48d
|
101
|
/**
|
| Yann |
0:fa858f79d48d
|
102
|
* Used to enter in sleep mode
|
| Yann |
0:fa858f79d48d
|
103
|
* @remark See FM24V10_ds.pdf Page 8/16 Clause Sleep Mode
|
| Yann |
0:fa858f79d48d
|
104
|
*/
|
| Yann |
0:fa858f79d48d
|
105
|
inline void LeaveSpeedMode() { /* FIXME To be done */ };
|
| Yann |
0:fa858f79d48d
|
106
|
|
| Yann |
0:fa858f79d48d
|
107
|
/**
|
| Yann |
0:fa858f79d48d
|
108
|
* Used to select memory page
|
| Yann |
0:fa858f79d48d
|
109
|
* @param memoryPage The selected memory page (0 or 1)
|
| Yann |
0:fa858f79d48d
|
110
|
* @remark See FM24V10_ds.pdf Page 3/16 Clause Memory Architecture
|
| Yann |
0:fa858f79d48d
|
111
|
*/
|
| Yann |
0:fa858f79d48d
|
112
|
inline void SelectMemoryPage(const unsigned char memoryPage) { _slaveAddress |= ((memoryPage & 0x01) << 1) | 0xa0; };
|
| Yann |
0:fa858f79d48d
|
113
|
|
| Yann |
0:fa858f79d48d
|
114
|
/** Erase of memory area starting at the specified address, using the specified pattern to fill the memory area
|
| Yann |
0:fa858f79d48d
|
115
|
*
|
| Yann |
0:fa858f79d48d
|
116
|
* @param p_startAddress The address of the memory area (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
117
|
* @param p_count The size of the memory area to erase
|
| Yann |
0:fa858f79d48d
|
118
|
* @param p_pattern The pattern value to use to fill the memory area. Default vqlue: 0x00
|
| Yann |
0:fa858f79d48d
|
119
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
120
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
121
|
* @code
|
| Yann |
0:fa858f79d48d
|
122
|
* ...
|
| Yann |
0:fa858f79d48d
|
123
|
* myEEPROM.EraseMemoryArea(0, 1024); // Set to 0x00 the first 1Kb memory
|
| Yann |
0:fa858f79d48d
|
124
|
* ...
|
| Yann |
0:fa858f79d48d
|
125
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
126
|
*/
|
| Yann |
0:fa858f79d48d
|
127
|
bool EraseMemoryArea(const short p_startAddress, const int p_count, const unsigned char p_pattern = 0x00);
|
| Yann |
0:fa858f79d48d
|
128
|
|
| Yann |
0:fa858f79d48d
|
129
|
/** Write a byte at the specified memory address
|
| Yann |
0:fa858f79d48d
|
130
|
*
|
| Yann |
0:fa858f79d48d
|
131
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
132
|
* @param p_byte The byte value to save
|
| Yann |
0:fa858f79d48d
|
133
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
134
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
135
|
* @code
|
| Yann |
0:fa858f79d48d
|
136
|
* unsigned char value = 0xaa;
|
| Yann |
0:fa858f79d48d
|
137
|
* ...
|
| Yann |
0:fa858f79d48d
|
138
|
* myEEPROM.Write(memoryAddress, value);
|
| Yann |
0:fa858f79d48d
|
139
|
* ...
|
| Yann |
0:fa858f79d48d
|
140
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
141
|
*/
|
| Yann |
0:fa858f79d48d
|
142
|
bool Write(const short p_address, const unsigned char p_byte);
|
| Yann |
0:fa858f79d48d
|
143
|
|
| Yann |
0:fa858f79d48d
|
144
|
/** Write a short at the specified memory address according to the specified mode
|
| Yann |
0:fa858f79d48d
|
145
|
*
|
| Yann |
0:fa858f79d48d
|
146
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
147
|
* @param p_short The short value to save
|
| Yann |
0:fa858f79d48d
|
148
|
* @param p_mode The storage mode. Default value: BigEndian
|
| Yann |
0:fa858f79d48d
|
149
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
150
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
151
|
* @code
|
| Yann |
0:fa858f79d48d
|
152
|
* short value = 0xcafe;
|
| Yann |
0:fa858f79d48d
|
153
|
* ...
|
| Yann |
0:fa858f79d48d
|
154
|
* myEEPROM.Write(memoryAddress, value, LittleEndian);
|
| Yann |
0:fa858f79d48d
|
155
|
* ...
|
| Yann |
0:fa858f79d48d
|
156
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
157
|
*/
|
| Yann |
0:fa858f79d48d
|
158
|
bool Write(const short p_address, const short p_short, const CFM24VXX_I2C::Mode p_mode = BigEndian);
|
| Yann |
0:fa858f79d48d
|
159
|
|
| Yann |
0:fa858f79d48d
|
160
|
/** Write an integer at the specified memory address according to the specified mode
|
| Yann |
0:fa858f79d48d
|
161
|
*
|
| Yann |
0:fa858f79d48d
|
162
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
163
|
* @param p_int The integer value to save
|
| Yann |
0:fa858f79d48d
|
164
|
* @param p_mode The storage mode. Default value: BigEndian
|
| Yann |
0:fa858f79d48d
|
165
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
166
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
167
|
* @code
|
| Yann |
0:fa858f79d48d
|
168
|
* int value = 0xcafedeca;
|
| Yann |
0:fa858f79d48d
|
169
|
* ...
|
| Yann |
0:fa858f79d48d
|
170
|
* myEEPROM.Write(memoryAddress, value, LittleEndian);
|
| Yann |
0:fa858f79d48d
|
171
|
* ...
|
| Yann |
0:fa858f79d48d
|
172
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
173
|
*/
|
| Yann |
0:fa858f79d48d
|
174
|
bool Write(const short p_address, const int p_int, const CFM24VXX_I2C::Mode p_mode = BigEndian);
|
| Yann |
0:fa858f79d48d
|
175
|
|
| Yann |
0:fa858f79d48d
|
176
|
/** Write a buffer of bytes at the specified memory address
|
| Yann |
0:fa858f79d48d
|
177
|
*
|
| Yann |
0:fa858f79d48d
|
178
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
179
|
* @param p_datas The string to save
|
| Yann |
0:fa858f79d48d
|
180
|
* @param p_storeLength If true, store also the length of the buffer in Big Endian mode, otherwise the length will be provided by p_length2write parameter. Default value: true.
|
| Yann |
0:fa858f79d48d
|
181
|
* @param p_length2write The number of bytes to write, -1 for all characters. Default value: -1
|
| Yann |
0:fa858f79d48d
|
182
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
183
|
*/
|
| Yann |
0:fa858f79d48d
|
184
|
bool Write(const short p_address, const std::vector<unsigned char> & p_datas, bool p_storeLength = true, const int p_length2write = -1);
|
| Yann |
0:fa858f79d48d
|
185
|
|
| Yann |
0:fa858f79d48d
|
186
|
/** Write a buffer of bytes at the specified memory address
|
| Yann |
0:fa858f79d48d
|
187
|
*
|
| Yann |
0:fa858f79d48d
|
188
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
189
|
* @param p_datas The buffer of bytes to save
|
| Yann |
0:fa858f79d48d
|
190
|
* @param p_storeLength If true, store also the length of the buffer in Big Endian mode, otherwise the length will be provided by p_length2write parameter. Default value: true.
|
| Yann |
0:fa858f79d48d
|
191
|
* @param p_length2write The number of bytes to write, -1 for all bytes. Default value: -1
|
| Yann |
0:fa858f79d48d
|
192
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
193
|
*/
|
| Yann |
0:fa858f79d48d
|
194
|
bool Write(const short p_address, const unsigned char *p_datas, bool p_storeLength = true, const int p_length2write = -1);
|
| Yann |
0:fa858f79d48d
|
195
|
|
| Yann |
0:fa858f79d48d
|
196
|
/** Write a string at the specified memory address
|
| Yann |
0:fa858f79d48d
|
197
|
*
|
| Yann |
0:fa858f79d48d
|
198
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
199
|
* @param p_string The string to save
|
| Yann |
0:fa858f79d48d
|
200
|
* @param p_storeLength If true, store also the length of the string in Big Endian mode, otherwise the length will be provided by p_length2write parameter. Default value: true.
|
| Yann |
0:fa858f79d48d
|
201
|
* @param p_length2write The number of character to write, -1 for all characters
|
| Yann |
0:fa858f79d48d
|
202
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
203
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
204
|
* @code
|
| Yann |
0:fa858f79d48d
|
205
|
* std::string text2save("CafeDeca");
|
| Yann |
0:fa858f79d48d
|
206
|
* ...
|
| Yann |
0:fa858f79d48d
|
207
|
* myEEPROM.Write(memoryAddress, text2save);
|
| Yann |
0:fa858f79d48d
|
208
|
* ...
|
| Yann |
0:fa858f79d48d
|
209
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
210
|
*/
|
| Yann |
0:fa858f79d48d
|
211
|
bool Write(const short p_address, const std::string & p_string, const bool p_storeLength = true, const int p_length2write = -1);
|
| Yann |
0:fa858f79d48d
|
212
|
|
| Yann |
0:fa858f79d48d
|
213
|
/** Write a buffer of characters at the specified memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
214
|
*
|
| Yann |
0:fa858f79d48d
|
215
|
* Note that the length of the buffer is not saved and the string is saved in Big Endian mode
|
| Yann |
0:fa858f79d48d
|
216
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
217
|
* @param p_datas The string to save
|
| Yann |
0:fa858f79d48d
|
218
|
* @param p_storeLength If true, store also the length of the string in Big Endian mode, otherwise the length will be provided by p_length2write parameter. Default value: true.
|
| Yann |
0:fa858f79d48d
|
219
|
* @param length2write The number of character to write, -1 for all characters
|
| Yann |
0:fa858f79d48d
|
220
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
221
|
*/
|
| Yann |
0:fa858f79d48d
|
222
|
bool Write(const short p_address, const char *p_datas, const bool p_storeLength = true, const int p_length2write = -1);
|
| Yann |
0:fa858f79d48d
|
223
|
|
| Yann |
0:fa858f79d48d
|
224
|
/** Read a byte from the specified memory address
|
| Yann |
0:fa858f79d48d
|
225
|
*
|
| Yann |
0:fa858f79d48d
|
226
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
227
|
* @param p_byte The byte value to read
|
| Yann |
0:fa858f79d48d
|
228
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
229
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
230
|
* @code
|
| Yann |
0:fa858f79d48d
|
231
|
* unsigned char value;
|
| Yann |
0:fa858f79d48d
|
232
|
* ...
|
| Yann |
0:fa858f79d48d
|
233
|
* myEEPROM.Read(memoryAddress, (unsigned char *)&value);
|
| Yann |
0:fa858f79d48d
|
234
|
* ...
|
| Yann |
0:fa858f79d48d
|
235
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
236
|
*/
|
| Yann |
0:fa858f79d48d
|
237
|
bool Read(const short p_address, unsigned char *p_value);
|
| Yann |
0:fa858f79d48d
|
238
|
|
| Yann |
0:fa858f79d48d
|
239
|
/** Read a short from the specified memory address
|
| Yann |
0:fa858f79d48d
|
240
|
*
|
| Yann |
0:fa858f79d48d
|
241
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
242
|
* @param p_short The short value to read
|
| Yann |
0:fa858f79d48d
|
243
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
244
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
245
|
* @code
|
| Yann |
0:fa858f79d48d
|
246
|
* short value;
|
| Yann |
0:fa858f79d48d
|
247
|
* ...
|
| Yann |
0:fa858f79d48d
|
248
|
* myEEPROM.Read(memoryAddress, (short *)&value);
|
| Yann |
0:fa858f79d48d
|
249
|
* ...
|
| Yann |
0:fa858f79d48d
|
250
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
251
|
*/
|
| Yann |
0:fa858f79d48d
|
252
|
bool Read(const short p_address, short *p_short, CFM24VXX_I2C::Mode p_mode = BigEndian);
|
| Yann |
0:fa858f79d48d
|
253
|
|
| Yann |
0:fa858f79d48d
|
254
|
/** Read an integer from the specified memory address
|
| Yann |
0:fa858f79d48d
|
255
|
*
|
| Yann |
0:fa858f79d48d
|
256
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
257
|
* @param p_int The integer value to read
|
| Yann |
0:fa858f79d48d
|
258
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
259
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
260
|
* @code
|
| Yann |
0:fa858f79d48d
|
261
|
* int value;
|
| Yann |
0:fa858f79d48d
|
262
|
* ...
|
| Yann |
0:fa858f79d48d
|
263
|
* myEEPROM.Read(memoryAddress, (int *)&value);
|
| Yann |
0:fa858f79d48d
|
264
|
* ...
|
| Yann |
0:fa858f79d48d
|
265
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
266
|
*/
|
| Yann |
0:fa858f79d48d
|
267
|
bool Read(const short p_address, int *p_int, CFM24VXX_I2C::Mode p_mode = BigEndian);
|
| Yann |
0:fa858f79d48d
|
268
|
|
| Yann |
0:fa858f79d48d
|
269
|
/** Read a buffer of bytes from the specified memory address and store it into a std::vector<unsigned char> object
|
| Yann |
0:fa858f79d48d
|
270
|
*
|
| Yann |
0:fa858f79d48d
|
271
|
* Note that the size of the buffer object is used for the number of bytes to read
|
| Yann |
0:fa858f79d48d
|
272
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
273
|
* @param p_datas The buffer to fill
|
| Yann |
0:fa858f79d48d
|
274
|
* @param p_readLengthFirst If true, read the length first and p_length2write parameter is ignored, otherwise the length is provided by p_length2write parameter. Default value: true
|
| Yann |
0:fa858f79d48d
|
275
|
* @param p_length2read The number of character to write, -1 to use the size of the string buffer
|
| Yann |
0:fa858f79d48d
|
276
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
277
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
278
|
* @code
|
| Yann |
0:fa858f79d48d
|
279
|
* std::vector<unsigned char> datas(bufferLength);
|
| Yann |
0:fa858f79d48d
|
280
|
* ...
|
| Yann |
0:fa858f79d48d
|
281
|
* myEEPROM.Read(memoryAddress, datas);
|
| Yann |
0:fa858f79d48d
|
282
|
* ...
|
| Yann |
0:fa858f79d48d
|
283
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
284
|
*/
|
| Yann |
0:fa858f79d48d
|
285
|
bool Read(const short p_address, std::vector<unsigned char> & p_datas, bool p_readLengthFirst = true, int p_length2read = -1);
|
| Yann |
0:fa858f79d48d
|
286
|
|
| Yann |
0:fa858f79d48d
|
287
|
/** Read a buffer of characters from the specified memory address and store it into a string object
|
| Yann |
0:fa858f79d48d
|
288
|
*
|
| Yann |
0:fa858f79d48d
|
289
|
* Note that the size of the string object is used for the number of characters to read
|
| Yann |
0:fa858f79d48d
|
290
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
291
|
* @param p_string The string buffer to fill
|
| Yann |
0:fa858f79d48d
|
292
|
* @param p_readLengthFirst If true, read the length first and p_length2write parameter is ignored, otherwise the length is provided by p_length2write parameter. Default value: true
|
| Yann |
0:fa858f79d48d
|
293
|
* @param p_length2write The number of character to write, -1 to use the size of the string buffer
|
| Yann |
0:fa858f79d48d
|
294
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
295
|
* Exemple:
|
| Yann |
0:fa858f79d48d
|
296
|
* @code
|
| Yann |
0:fa858f79d48d
|
297
|
* std::string readtext;
|
| Yann |
0:fa858f79d48d
|
298
|
* ...
|
| Yann |
0:fa858f79d48d
|
299
|
* myEEPROM.Read(memoryAddress, readtext);
|
| Yann |
0:fa858f79d48d
|
300
|
* ...
|
| Yann |
0:fa858f79d48d
|
301
|
* @endcode
|
| Yann |
0:fa858f79d48d
|
302
|
*/
|
| Yann |
0:fa858f79d48d
|
303
|
bool Read(const short p_address, std::string & p_string, bool p_readLengthFirst = true, int p_length2write = -1);
|
| Yann |
0:fa858f79d48d
|
304
|
|
| Yann |
0:fa858f79d48d
|
305
|
/** Activate or deactivate write protect (pin 7)
|
| Yann |
0:fa858f79d48d
|
306
|
*
|
| Yann |
0:fa858f79d48d
|
307
|
* @param p_writeProtect: Set to true to activate write protection, false otherwise
|
| Yann |
0:fa858f79d48d
|
308
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
309
|
*/
|
| Yann |
0:fa858f79d48d
|
310
|
bool WriteProtect(const bool p_writeProtect);
|
| Yann |
0:fa858f79d48d
|
311
|
|
| Yann |
0:fa858f79d48d
|
312
|
/** Indicate the current WP state indicator (pin 7)
|
| Yann |
0:fa858f79d48d
|
313
|
* @return true is write protected, false otherwise
|
| Yann |
0:fa858f79d48d
|
314
|
*/
|
| Yann |
0:fa858f79d48d
|
315
|
inline bool IsWriteProtected() {
|
| Yann |
0:fa858f79d48d
|
316
|
return (_wp != NULL) ? (bool)(_wp->read() == 1) : false;
|
| Yann |
0:fa858f79d48d
|
317
|
}
|
| Yann |
0:fa858f79d48d
|
318
|
|
| Yann |
0:fa858f79d48d
|
319
|
#if defined(__DEBUG)
|
| Yann |
0:fa858f79d48d
|
320
|
/** Dump a memory area
|
| Yann |
0:fa858f79d48d
|
321
|
*
|
| Yann |
0:fa858f79d48d
|
322
|
* Note that this method is available only on debug mode
|
| Yann |
0:fa858f79d48d
|
323
|
* @param p_address The memory address (from 0 to N - 1, N is the number of cells of the memory)
|
| Yann |
0:fa858f79d48d
|
324
|
* @param p_count The number of bytes toi dump
|
| Yann |
0:fa858f79d48d
|
325
|
* @return true on success, false otherwise
|
| Yann |
0:fa858f79d48d
|
326
|
*/
|
| Yann |
0:fa858f79d48d
|
327
|
void DumpMemoryArea(const int p_address, const int p_count);
|
| Yann |
0:fa858f79d48d
|
328
|
/** For debug purpose only
|
| Yann |
0:fa858f79d48d
|
329
|
*/
|
| Yann |
0:fa858f79d48d
|
330
|
inline std::string & ToString() { return _internalId; };
|
| Yann |
0:fa858f79d48d
|
331
|
#else // __DEBUG
|
| Yann |
0:fa858f79d48d
|
332
|
inline void DumpMemoryArea(const int p_address, const int p_count) {};
|
| Yann |
0:fa858f79d48d
|
333
|
#endif // _DEBUG
|
| Yann |
0:fa858f79d48d
|
334
|
|
| Yann |
0:fa858f79d48d
|
335
|
private:
|
| Yann |
0:fa858f79d48d
|
336
|
/** Internal reference identifier
|
| Yann |
0:fa858f79d48d
|
337
|
*/
|
| Yann |
0:fa858f79d48d
|
338
|
std::string _internalId;
|
| Yann |
0:fa858f79d48d
|
339
|
|
| Yann |
0:fa858f79d48d
|
340
|
private:
|
| Yann |
0:fa858f79d48d
|
341
|
/**
|
| Yann |
0:fa858f79d48d
|
342
|
* Retrieve device identifiers
|
| Yann |
0:fa858f79d48d
|
343
|
* @remark See FM24V10_ds.pdf Page 9/16 Clause Device ID
|
| Yann |
0:fa858f79d48d
|
344
|
*/
|
| Yann |
0:fa858f79d48d
|
345
|
void GetDevideIDs();
|
| Yann |
0:fa858f79d48d
|
346
|
|
| Yann |
0:fa858f79d48d
|
347
|
}; // End of class CFM24VXX_I2C
|
| Yann |
0:fa858f79d48d
|
348
|
|
| Yann |
0:fa858f79d48d
|
349
|
}; // End of namespace _FM24VXX_I2C
|
| Yann |
0:fa858f79d48d
|
350
|
|
| Yann |
0:fa858f79d48d
|
351
|
using namespace _FM24VXX_I2C;
|
| Yann |
0:fa858f79d48d
|
352
|
|
| Yann |
0:fa858f79d48d
|
353
|
#endif // __FM24VXX_I2C_H__
|
Yann Garcia
Ramtron FM24Vxx F-RAM