User | Revision | Line number | New contents of line |
Wimpie |
0:0f7bbfde44b7
|
1
|
/*
|
Wimpie |
0:0f7bbfde44b7
|
2
|
* OneWireEEPROM. Library for Maxim One-Wire EEPROM.
|
Wimpie |
0:0f7bbfde44b7
|
3
|
*
|
Wimpie |
0:0f7bbfde44b7
|
4
|
* see http://www.maxim-ic.com
|
Wimpie |
0:0f7bbfde44b7
|
5
|
*
|
Wimpie |
0:0f7bbfde44b7
|
6
|
* DS2433
|
Wimpie |
0:0f7bbfde44b7
|
7
|
* DS28EC20
|
Wimpie |
0:0f7bbfde44b7
|
8
|
*
|
Wimpie |
0:0f7bbfde44b7
|
9
|
* Copyright (C) <2011> Wim De Roeve <wim312@gmail.com>
|
Wimpie |
0:0f7bbfde44b7
|
10
|
*
|
Wimpie |
0:0f7bbfde44b7
|
11
|
* OneWireEEPROM is free software: you can redistribute it and/or modify
|
Wimpie |
0:0f7bbfde44b7
|
12
|
* it under the terms of the GNU General Public License as published by
|
Wimpie |
0:0f7bbfde44b7
|
13
|
* the Free Software Foundation, either version 3 of the License, or
|
Wimpie |
0:0f7bbfde44b7
|
14
|
* (at your option) any later version.
|
Wimpie |
0:0f7bbfde44b7
|
15
|
*
|
Wimpie |
0:0f7bbfde44b7
|
16
|
* OneWireEEPROM is distributed in the hope that it will be useful,
|
Wimpie |
0:0f7bbfde44b7
|
17
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
Wimpie |
0:0f7bbfde44b7
|
18
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
Wimpie |
0:0f7bbfde44b7
|
19
|
* GNU General Public License for more details.
|
Wimpie |
0:0f7bbfde44b7
|
20
|
*
|
Wimpie |
0:0f7bbfde44b7
|
21
|
* You should have received a copy of the GNU General Public License
|
Wimpie |
0:0f7bbfde44b7
|
22
|
* If not, see <http://www.gnu.org/licenses/>.
|
Wimpie |
0:0f7bbfde44b7
|
23
|
*/
|
Wimpie |
0:0f7bbfde44b7
|
24
|
|
Wimpie |
0:0f7bbfde44b7
|
25
|
#include "mbed.h"
|
Wimpie |
0:0f7bbfde44b7
|
26
|
#include "OneWireEEPROM.h"
|
Wimpie |
0:0f7bbfde44b7
|
27
|
|
Wimpie |
0:0f7bbfde44b7
|
28
|
Serial output(USBTX, USBRX);
|
Wimpie |
0:0f7bbfde44b7
|
29
|
|
Wimpie |
1:7218c076189b
|
30
|
OneWireEEPROM::OneWireEEPROM(PinName pin, bool crcOn, bool useAddr, bool parasitic, DSTYPE ds, unsigned char *ROMaddress)
|
Wimpie |
0:0f7bbfde44b7
|
31
|
:oneWire(pin, STANDARD) {
|
Wimpie |
0:0f7bbfde44b7
|
32
|
_useCRC=crcOn;
|
Wimpie |
0:0f7bbfde44b7
|
33
|
_useAddress=useAddr;
|
Wimpie |
0:0f7bbfde44b7
|
34
|
_useParasiticPower=parasitic;
|
Wimpie |
0:0f7bbfde44b7
|
35
|
switch (ds) {
|
Wimpie |
0:0f7bbfde44b7
|
36
|
case DS2433: {
|
Wimpie |
0:0f7bbfde44b7
|
37
|
_pages = DS2433PAGES;
|
Wimpie |
0:0f7bbfde44b7
|
38
|
_eeprom_id =DS2433EEPROM_ID;
|
Wimpie |
0:0f7bbfde44b7
|
39
|
break;
|
Wimpie |
0:0f7bbfde44b7
|
40
|
}
|
Wimpie |
0:0f7bbfde44b7
|
41
|
case DS28EC20: {
|
Wimpie |
0:0f7bbfde44b7
|
42
|
_pages =DS28EC20PAGES;
|
Wimpie |
0:0f7bbfde44b7
|
43
|
_eeprom_id =DS28EC20EEPROM_ID;
|
Wimpie |
0:0f7bbfde44b7
|
44
|
break;
|
Wimpie |
0:0f7bbfde44b7
|
45
|
}
|
Wimpie |
0:0f7bbfde44b7
|
46
|
|
Wimpie |
0:0f7bbfde44b7
|
47
|
}
|
Wimpie |
0:0f7bbfde44b7
|
48
|
_memsize = _pages * PAGESIZE;
|
Wimpie |
1:7218c076189b
|
49
|
|
Wimpie |
1:7218c076189b
|
50
|
if (_useAddress) {
|
Wimpie |
1:7218c076189b
|
51
|
for (int i = 0; i < ADDRESS_SIZE; i++)
|
Wimpie |
1:7218c076189b
|
52
|
_ROMCode[i]=ROMaddress[i];
|
Wimpie |
1:7218c076189b
|
53
|
} else {
|
Wimpie |
1:7218c076189b
|
54
|
for (int i = 0; i < ADDRESS_SIZE; i++)
|
Wimpie |
1:7218c076189b
|
55
|
_ROMCode[i]=0;
|
Wimpie |
1:7218c076189b
|
56
|
}
|
Wimpie |
2:193926923cb0
|
57
|
|
Wimpie |
2:193926923cb0
|
58
|
active=0;
|
Wimpie |
0:0f7bbfde44b7
|
59
|
}
|
Wimpie |
0:0f7bbfde44b7
|
60
|
|
Wimpie |
0:0f7bbfde44b7
|
61
|
|
Wimpie |
1:7218c076189b
|
62
|
bool OneWireEEPROM::Initialize() {
|
Wimpie |
1:7218c076189b
|
63
|
|
Wimpie |
1:7218c076189b
|
64
|
int OneWireFound;
|
Wimpie |
1:7218c076189b
|
65
|
int OneWireSameAddress;
|
Wimpie |
1:7218c076189b
|
66
|
int i;
|
Wimpie |
1:7218c076189b
|
67
|
BYTE _dummyaddress[8];
|
Wimpie |
1:7218c076189b
|
68
|
|
Wimpie |
0:0f7bbfde44b7
|
69
|
|
Wimpie |
1:7218c076189b
|
70
|
if (_useAddress) {
|
Wimpie |
1:7218c076189b
|
71
|
output.printf("\r\nScan for device with address ");
|
Wimpie |
1:7218c076189b
|
72
|
for (i = 0; i < ADDRESS_SIZE; i++) {
|
Wimpie |
1:7218c076189b
|
73
|
output.printf("%x ", (int)_ROMCode[i]);
|
Wimpie |
1:7218c076189b
|
74
|
}
|
Wimpie |
1:7218c076189b
|
75
|
output.printf("\r\n");
|
Wimpie |
1:7218c076189b
|
76
|
}
|
Wimpie |
0:0f7bbfde44b7
|
77
|
|
Wimpie |
1:7218c076189b
|
78
|
OneWireSameAddress=0;
|
Wimpie |
0:0f7bbfde44b7
|
79
|
|
Wimpie |
0:0f7bbfde44b7
|
80
|
oneWire.resetSearch();
|
Wimpie |
1:7218c076189b
|
81
|
do {
|
Wimpie |
1:7218c076189b
|
82
|
OneWireFound=(oneWire.search(_dummyaddress));
|
Wimpie |
1:7218c076189b
|
83
|
if (OneWireFound) {
|
Wimpie |
1:7218c076189b
|
84
|
|
Wimpie |
1:7218c076189b
|
85
|
if (!_useAddress) {
|
Wimpie |
1:7218c076189b
|
86
|
output.printf("Device found with Address = ");
|
Wimpie |
1:7218c076189b
|
87
|
for (i = 0; i < ADDRESS_SIZE; i++) {
|
Wimpie |
1:7218c076189b
|
88
|
output.printf("%x ", (int)_dummyaddress[i]);
|
Wimpie |
1:7218c076189b
|
89
|
}
|
Wimpie |
1:7218c076189b
|
90
|
}
|
Wimpie |
1:7218c076189b
|
91
|
|
Wimpie |
1:7218c076189b
|
92
|
OneWireSameAddress=1;
|
Wimpie |
1:7218c076189b
|
93
|
|
Wimpie |
1:7218c076189b
|
94
|
if (_useAddress) {
|
Wimpie |
1:7218c076189b
|
95
|
for (i = 0; i < ADDRESS_SIZE; i++) {
|
Wimpie |
1:7218c076189b
|
96
|
if (!((OneWireSameAddress) && (_ROMCode[i] ==_dummyaddress[i])))
|
Wimpie |
1:7218c076189b
|
97
|
OneWireSameAddress=0;
|
Wimpie |
1:7218c076189b
|
98
|
}
|
Wimpie |
1:7218c076189b
|
99
|
} else {
|
Wimpie |
1:7218c076189b
|
100
|
for (i = 0; i < ADDRESS_SIZE; i++) {
|
Wimpie |
1:7218c076189b
|
101
|
_ROMCode[i] =_dummyaddress[i];
|
Wimpie |
1:7218c076189b
|
102
|
}
|
Wimpie |
1:7218c076189b
|
103
|
}
|
Wimpie |
1:7218c076189b
|
104
|
|
Wimpie |
1:7218c076189b
|
105
|
|
Wimpie |
1:7218c076189b
|
106
|
/*if (OneWireSameAddress) {
|
Wimpie |
1:7218c076189b
|
107
|
output.printf("-> Address valid!\r\n");
|
Wimpie |
1:7218c076189b
|
108
|
|
Wimpie |
1:7218c076189b
|
109
|
} else {
|
Wimpie |
1:7218c076189b
|
110
|
|
Wimpie |
1:7218c076189b
|
111
|
}*/
|
Wimpie |
1:7218c076189b
|
112
|
|
Wimpie |
1:7218c076189b
|
113
|
} else {
|
Wimpie |
1:7218c076189b
|
114
|
|
Wimpie |
1:7218c076189b
|
115
|
output.printf("No more addresses.\r\n");
|
Wimpie |
1:7218c076189b
|
116
|
oneWire.resetSearch();
|
Wimpie |
1:7218c076189b
|
117
|
wait_ms(250); //500
|
Wimpie |
1:7218c076189b
|
118
|
}
|
Wimpie |
1:7218c076189b
|
119
|
} while (OneWireFound && !OneWireSameAddress);
|
Wimpie |
1:7218c076189b
|
120
|
|
Wimpie |
1:7218c076189b
|
121
|
if (!OneWireSameAddress) {
|
Wimpie |
1:7218c076189b
|
122
|
output.printf("-> No Valid ROM Code found.\r\n");
|
Wimpie |
0:0f7bbfde44b7
|
123
|
return false;
|
Wimpie |
0:0f7bbfde44b7
|
124
|
}
|
Wimpie |
1:7218c076189b
|
125
|
if (OneWireCRC::crc8(_ROMCode, ADDRESS_CRC_BYTE) != _ROMCode[ADDRESS_CRC_BYTE]) { // check address CRC is valid
|
Wimpie |
0:0f7bbfde44b7
|
126
|
output.printf("CRC is not valid!\r\n");
|
Wimpie |
0:0f7bbfde44b7
|
127
|
wait_ms(100);
|
Wimpie |
0:0f7bbfde44b7
|
128
|
|
Wimpie |
0:0f7bbfde44b7
|
129
|
return false;
|
Wimpie |
0:0f7bbfde44b7
|
130
|
}
|
Wimpie |
0:0f7bbfde44b7
|
131
|
|
Wimpie |
1:7218c076189b
|
132
|
if (_ROMCode[0] != _eeprom_id) {
|
Wimpie |
0:0f7bbfde44b7
|
133
|
output.printf("Device is not a OneWireEEPROM_ID device.\r\n");
|
Wimpie |
0:0f7bbfde44b7
|
134
|
wait_ms(100);
|
Wimpie |
0:0f7bbfde44b7
|
135
|
return false;
|
Wimpie |
1:7218c076189b
|
136
|
|
Wimpie |
1:7218c076189b
|
137
|
} else {
|
Wimpie |
1:7218c076189b
|
138
|
output.printf("OneWireEEPROM present and correct.\r\n");
|
Wimpie |
0:0f7bbfde44b7
|
139
|
}
|
Wimpie |
2:193926923cb0
|
140
|
active=1;
|
Wimpie |
1:7218c076189b
|
141
|
return true;
|
Wimpie |
0:0f7bbfde44b7
|
142
|
}
|
Wimpie |
0:0f7bbfde44b7
|
143
|
|
Wimpie |
0:0f7bbfde44b7
|
144
|
void OneWireEEPROM::ResetAndAddress() {
|
Wimpie |
0:0f7bbfde44b7
|
145
|
oneWire.reset(); // reset device
|
Wimpie |
0:0f7bbfde44b7
|
146
|
if (_useAddress) {
|
Wimpie |
1:7218c076189b
|
147
|
oneWire.matchROM(_ROMCode); // select which device to talk to
|
Wimpie |
0:0f7bbfde44b7
|
148
|
} else {
|
Wimpie |
0:0f7bbfde44b7
|
149
|
oneWire.skipROM(); // broadcast
|
Wimpie |
0:0f7bbfde44b7
|
150
|
}
|
Wimpie |
0:0f7bbfde44b7
|
151
|
}
|
Wimpie |
0:0f7bbfde44b7
|
152
|
|
Wimpie |
0:0f7bbfde44b7
|
153
|
bool OneWireEEPROM::WriteMemory(uint8_t* Source, uint16_t Address, uint8_t Size) {
|
Wimpie |
0:0f7bbfde44b7
|
154
|
uint8_t _ES; //store Endif Address , datastatus
|
Wimpie |
0:0f7bbfde44b7
|
155
|
uint8_t B;
|
Wimpie |
0:0f7bbfde44b7
|
156
|
|
Wimpie |
0:0f7bbfde44b7
|
157
|
if (Address<_memsize) {
|
Wimpie |
0:0f7bbfde44b7
|
158
|
uint8_t _TA1=(uint8_t)(Address & 0x00FF);
|
Wimpie |
0:0f7bbfde44b7
|
159
|
uint8_t _TA2=(uint8_t)((Address & 0xFF00)>>8);
|
Wimpie |
0:0f7bbfde44b7
|
160
|
|
Wimpie |
0:0f7bbfde44b7
|
161
|
if ((Size<=PAGESIZE) and ((Size+Address)<=_memsize)) {
|
Wimpie |
0:0f7bbfde44b7
|
162
|
|
Wimpie |
1:7218c076189b
|
163
|
// output.printf ("\r\nWriting to OneWireEEPROM %i Bytes",Size);
|
Wimpie |
0:0f7bbfde44b7
|
164
|
|
Wimpie |
0:0f7bbfde44b7
|
165
|
ResetAndAddress();
|
Wimpie |
0:0f7bbfde44b7
|
166
|
oneWire.writeByte(WRITESCRATCHPAD);
|
Wimpie |
0:0f7bbfde44b7
|
167
|
oneWire.writeByte(_TA1); //begin address T7..T0
|
Wimpie |
0:0f7bbfde44b7
|
168
|
oneWire.writeByte(_TA2); //begin address T15..T8
|
Wimpie |
0:0f7bbfde44b7
|
169
|
|
Wimpie |
0:0f7bbfde44b7
|
170
|
//write _memPage to scratchpad
|
Wimpie |
0:0f7bbfde44b7
|
171
|
|
Wimpie |
0:0f7bbfde44b7
|
172
|
for (int i = 0; i < Size; i++) {
|
Wimpie |
0:0f7bbfde44b7
|
173
|
oneWire.writeByte(Source[i]);
|
Wimpie |
1:7218c076189b
|
174
|
// output.printf ("%X ",Source[i]);
|
Wimpie |
0:0f7bbfde44b7
|
175
|
}
|
Wimpie |
1:7218c076189b
|
176
|
// output.printf ("\r\nTA1=%X",_TA1);
|
Wimpie |
1:7218c076189b
|
177
|
// output.printf ("\r\nTA2=%X\r\n",_TA2);
|
Wimpie |
0:0f7bbfde44b7
|
178
|
|
Wimpie |
0:0f7bbfde44b7
|
179
|
//read and check data in scratchpad
|
Wimpie |
0:0f7bbfde44b7
|
180
|
ResetAndAddress();
|
Wimpie |
0:0f7bbfde44b7
|
181
|
oneWire.writeByte(READSCRATCHPAD);
|
Wimpie |
0:0f7bbfde44b7
|
182
|
B=oneWire.readByte();
|
Wimpie |
0:0f7bbfde44b7
|
183
|
if (B != _TA1) { //check TA1, return if bad
|
Wimpie |
0:0f7bbfde44b7
|
184
|
output.printf("\r\nWrite error in TA1 %X - %X\r\n",B,_TA1);
|
Wimpie |
0:0f7bbfde44b7
|
185
|
return false;
|
Wimpie |
0:0f7bbfde44b7
|
186
|
}
|
Wimpie |
0:0f7bbfde44b7
|
187
|
B=oneWire.readByte();
|
Wimpie |
0:0f7bbfde44b7
|
188
|
if (B != _TA2) { //check TA2, return if bad
|
Wimpie |
0:0f7bbfde44b7
|
189
|
output.printf("\r\nWrite error in TA2 %X - %X\r\n",B,_TA2);
|
Wimpie |
0:0f7bbfde44b7
|
190
|
return false;
|
Wimpie |
0:0f7bbfde44b7
|
191
|
}
|
Wimpie |
0:0f7bbfde44b7
|
192
|
_ES = oneWire.readByte(); // ES Register
|
Wimpie |
0:0f7bbfde44b7
|
193
|
|
Wimpie |
0:0f7bbfde44b7
|
194
|
//check data written
|
Wimpie |
0:0f7bbfde44b7
|
195
|
for (int i = 0; i < Size; i++) {
|
Wimpie |
0:0f7bbfde44b7
|
196
|
B=oneWire.readByte();
|
Wimpie |
0:0f7bbfde44b7
|
197
|
if (B != Source[i]) { //return if bad
|
Wimpie |
0:0f7bbfde44b7
|
198
|
output.printf("\r\nWrite error in scratchpad on %i %X<->%X\r\n",i,B ,Source[i]);
|
Wimpie |
0:0f7bbfde44b7
|
199
|
return false;
|
Wimpie |
0:0f7bbfde44b7
|
200
|
}
|
Wimpie |
0:0f7bbfde44b7
|
201
|
}
|
Wimpie |
0:0f7bbfde44b7
|
202
|
|
Wimpie |
1:7218c076189b
|
203
|
// output.printf("\r\nES=%X\r\n",_ES);
|
Wimpie |
0:0f7bbfde44b7
|
204
|
|
Wimpie |
0:0f7bbfde44b7
|
205
|
//issue copy with auth data
|
Wimpie |
0:0f7bbfde44b7
|
206
|
wait_ms(10);
|
Wimpie |
0:0f7bbfde44b7
|
207
|
ResetAndAddress();
|
Wimpie |
0:0f7bbfde44b7
|
208
|
oneWire.writeByte(COPYSCRATCHPAD);
|
Wimpie |
0:0f7bbfde44b7
|
209
|
oneWire.writeByte(_TA1);
|
Wimpie |
0:0f7bbfde44b7
|
210
|
oneWire.writeByte(_TA2);
|
Wimpie |
0:0f7bbfde44b7
|
211
|
oneWire.writeByte(_ES); //pull-up!
|
Wimpie |
0:0f7bbfde44b7
|
212
|
wait_ms(10); //10ms min strong pullup delay -> time needed to copy from scratchpad to memory
|
Wimpie |
0:0f7bbfde44b7
|
213
|
|
Wimpie |
0:0f7bbfde44b7
|
214
|
oneWire.reset();
|
Wimpie |
0:0f7bbfde44b7
|
215
|
|
Wimpie |
1:7218c076189b
|
216
|
// output.printf ("\r\nData written\r\n");
|
Wimpie |
0:0f7bbfde44b7
|
217
|
return true;
|
Wimpie |
0:0f7bbfde44b7
|
218
|
} else {
|
Wimpie |
0:0f7bbfde44b7
|
219
|
output.printf ("\r\nTrying to write more then %i bytes-> %i\r\n",PAGESIZE,Size);
|
Wimpie |
0:0f7bbfde44b7
|
220
|
return false;
|
Wimpie |
0:0f7bbfde44b7
|
221
|
}
|
Wimpie |
0:0f7bbfde44b7
|
222
|
} else {
|
Wimpie |
0:0f7bbfde44b7
|
223
|
output.printf ("\r\nAddress %X not available, EEPROM isn't that bigg..-> %i\r\n",Address);
|
Wimpie |
0:0f7bbfde44b7
|
224
|
return false;
|
Wimpie |
0:0f7bbfde44b7
|
225
|
}
|
Wimpie |
0:0f7bbfde44b7
|
226
|
}
|
Wimpie |
0:0f7bbfde44b7
|
227
|
|
Wimpie |
0:0f7bbfde44b7
|
228
|
|
Wimpie |
0:0f7bbfde44b7
|
229
|
int OneWireEEPROM::ReadMemory(uint8_t* Destination, uint16_t Address, uint16_t Size) {
|
Wimpie |
0:0f7bbfde44b7
|
230
|
uint8_t tmpReader;
|
Wimpie |
1:7218c076189b
|
231
|
// bool readFF = 0;
|
Wimpie |
0:0f7bbfde44b7
|
232
|
int memPtr;
|
Wimpie |
0:0f7bbfde44b7
|
233
|
|
Wimpie |
0:0f7bbfde44b7
|
234
|
if (Address<_memsize) {
|
Wimpie |
0:0f7bbfde44b7
|
235
|
|
Wimpie |
0:0f7bbfde44b7
|
236
|
uint8_t _TA1=(uint8_t)(Address & 0x00FF);
|
Wimpie |
0:0f7bbfde44b7
|
237
|
uint8_t _TA2=(uint8_t)((Address & 0xFF00)>>8);
|
Wimpie |
0:0f7bbfde44b7
|
238
|
|
Wimpie |
0:0f7bbfde44b7
|
239
|
if ((Size+Address)<=_memsize) {
|
Wimpie |
0:0f7bbfde44b7
|
240
|
|
Wimpie |
0:0f7bbfde44b7
|
241
|
ResetAndAddress();
|
Wimpie |
0:0f7bbfde44b7
|
242
|
oneWire.writeByte(READMEMORY);
|
Wimpie |
0:0f7bbfde44b7
|
243
|
oneWire.writeByte(_TA1);
|
Wimpie |
0:0f7bbfde44b7
|
244
|
oneWire.writeByte(_TA2);
|
Wimpie |
0:0f7bbfde44b7
|
245
|
|
Wimpie |
2:193926923cb0
|
246
|
// output.printf ("\r\nReading... TA1=%X TA2=%X",_TA1, _TA2);
|
Wimpie |
0:0f7bbfde44b7
|
247
|
|
Wimpie |
0:0f7bbfde44b7
|
248
|
for (memPtr = 0; memPtr < Size; memPtr++) {
|
Wimpie |
0:0f7bbfde44b7
|
249
|
tmpReader = oneWire.readByte();
|
Wimpie |
1:7218c076189b
|
250
|
// if (tmpReader == 0xff & !readFF)
|
Wimpie |
1:7218c076189b
|
251
|
// readFF = 1;
|
Wimpie |
1:7218c076189b
|
252
|
// else if (tmpReader == 0xff & readFF)
|
Wimpie |
1:7218c076189b
|
253
|
// 0xff read twice, hopefully EoF as we break here :)
|
Wimpie |
1:7218c076189b
|
254
|
// break;
|
Wimpie |
0:0f7bbfde44b7
|
255
|
|
Wimpie |
0:0f7bbfde44b7
|
256
|
Destination[memPtr] = tmpReader;
|
Wimpie |
0:0f7bbfde44b7
|
257
|
}
|
Wimpie |
2:193926923cb0
|
258
|
// output.printf ("-> %i byte(s)\r\n",memPtr);
|
Wimpie |
0:0f7bbfde44b7
|
259
|
return memPtr;
|
Wimpie |
0:0f7bbfde44b7
|
260
|
|
Wimpie |
0:0f7bbfde44b7
|
261
|
} else {
|
Wimpie |
0:0f7bbfde44b7
|
262
|
output.printf ("\r\nTrying to read outside MEMORY -> %i\r\n",Address+Size);
|
Wimpie |
0:0f7bbfde44b7
|
263
|
return 0;
|
Wimpie |
0:0f7bbfde44b7
|
264
|
}
|
Wimpie |
0:0f7bbfde44b7
|
265
|
} else {
|
Wimpie |
0:0f7bbfde44b7
|
266
|
output.printf ("\r\nAddress %X not available, EEPROM isn't that bigg..-> %i\r\n",Address);
|
Wimpie |
0:0f7bbfde44b7
|
267
|
return 0;
|
Wimpie |
0:0f7bbfde44b7
|
268
|
}
|
Wimpie |
0:0f7bbfde44b7
|
269
|
}
|
Wimpie |
0:0f7bbfde44b7
|
270
|
|
Wimpie |
0:0f7bbfde44b7
|
271
|
void OneWireEEPROM::ShowMemory(int PageFrom, int PageTo) {
|
Wimpie |
0:0f7bbfde44b7
|
272
|
int Size;
|
Wimpie |
1:7218c076189b
|
273
|
int MemSize;
|
Wimpie |
1:7218c076189b
|
274
|
|
Wimpie |
1:7218c076189b
|
275
|
if (PageFrom<0)
|
Wimpie |
1:7218c076189b
|
276
|
PageFrom=0;
|
Wimpie |
1:7218c076189b
|
277
|
if (PageTo>=_pages)
|
Wimpie |
1:7218c076189b
|
278
|
PageTo=_pages-1;
|
Wimpie |
1:7218c076189b
|
279
|
|
Wimpie |
0:0f7bbfde44b7
|
280
|
if ((PageFrom>=0) and (PageFrom<_pages) and
|
Wimpie |
0:0f7bbfde44b7
|
281
|
(PageTo>=0) and (PageTo<_pages)) {
|
Wimpie |
0:0f7bbfde44b7
|
282
|
|
Wimpie |
1:7218c076189b
|
283
|
MemSize=(PageTo-PageFrom+1)*PAGESIZE;
|
Wimpie |
1:7218c076189b
|
284
|
|
Wimpie |
1:7218c076189b
|
285
|
uint8_t *MemAll = (uint8_t*) malloc(MemSize);
|
Wimpie |
0:0f7bbfde44b7
|
286
|
|
Wimpie |
1:7218c076189b
|
287
|
if (MemAll!=NULL) {
|
Wimpie |
1:7218c076189b
|
288
|
output.printf ("\r\nRead Page(s) from EEPROM %i to %i -> ", PageFrom,PageTo);
|
Wimpie |
0:0f7bbfde44b7
|
289
|
|
Wimpie |
1:7218c076189b
|
290
|
Size=ReadMemory(MemAll,PageFrom*PAGESIZE,MemSize);
|
Wimpie |
1:7218c076189b
|
291
|
|
Wimpie |
1:7218c076189b
|
292
|
output.printf("%i bytes\r\n ",Size);
|
Wimpie |
0:0f7bbfde44b7
|
293
|
|
Wimpie |
1:7218c076189b
|
294
|
for (int j=PageFrom;j<=PageTo;j++) {
|
Wimpie |
1:7218c076189b
|
295
|
output.printf ("\r\nPage %2i ->",j);
|
Wimpie |
1:7218c076189b
|
296
|
for (int i=0;i<PAGESIZE;i++) {
|
Wimpie |
1:7218c076189b
|
297
|
if ((j*32+i)<= Size)
|
Wimpie |
1:7218c076189b
|
298
|
output.printf("%2X ",MemAll[j*32+i]);
|
Wimpie |
1:7218c076189b
|
299
|
}
|
Wimpie |
1:7218c076189b
|
300
|
if ((j*32)>Size)
|
Wimpie |
1:7218c076189b
|
301
|
break;
|
Wimpie |
0:0f7bbfde44b7
|
302
|
}
|
Wimpie |
1:7218c076189b
|
303
|
output.printf ("\r\n");
|
Wimpie |
0:0f7bbfde44b7
|
304
|
|
Wimpie |
1:7218c076189b
|
305
|
free(MemAll);
|
Wimpie |
1:7218c076189b
|
306
|
} else
|
Wimpie |
1:7218c076189b
|
307
|
output.printf ("\r\nNOT enough memory to display EEPROM content !!\r\n");
|
Wimpie |
0:0f7bbfde44b7
|
308
|
}
|
Wimpie |
0:0f7bbfde44b7
|
309
|
}
|
Wimpie |
0:0f7bbfde44b7
|
310
|
|
Wimpie |
1:7218c076189b
|
311
|
bool OneWireEEPROM::WriteWord(uint16_t v, uint16_t Address) {
|
Wimpie |
2:193926923cb0
|
312
|
bool ok=false;
|
Wimpie |
2:193926923cb0
|
313
|
int it=0;
|
Wimpie |
1:7218c076189b
|
314
|
uint8_t Mem[2];
|
Wimpie |
1:7218c076189b
|
315
|
Mem[0]=(uint8_t)(v & 0x00FF);
|
Wimpie |
1:7218c076189b
|
316
|
Mem[1]=(uint8_t)((v & 0xFF00)>>8);
|
Wimpie |
2:193926923cb0
|
317
|
|
Wimpie |
2:193926923cb0
|
318
|
do {
|
Wimpie |
2:193926923cb0
|
319
|
ok=WriteMemory(Mem,Address,2);
|
Wimpie |
2:193926923cb0
|
320
|
it++;
|
Wimpie |
2:193926923cb0
|
321
|
} while ((ok==false) && (it<5));
|
Wimpie |
2:193926923cb0
|
322
|
if (it>1) {
|
Wimpie |
2:193926923cb0
|
323
|
output.printf (" EEPROM WriteWord %i times ->",it);
|
Wimpie |
2:193926923cb0
|
324
|
if (ok)
|
Wimpie |
2:193926923cb0
|
325
|
output.printf("ok\r\n");
|
Wimpie |
2:193926923cb0
|
326
|
else
|
Wimpie |
2:193926923cb0
|
327
|
output.printf("not ok\r\n");
|
Wimpie |
2:193926923cb0
|
328
|
}
|
Wimpie |
2:193926923cb0
|
329
|
return ok;
|
Wimpie |
1:7218c076189b
|
330
|
}
|
Wimpie |
1:7218c076189b
|
331
|
|
Wimpie |
1:7218c076189b
|
332
|
bool OneWireEEPROM::WriteByte(uint8_t b, uint16_t Address) {
|
Wimpie |
2:193926923cb0
|
333
|
bool ok=false;
|
Wimpie |
2:193926923cb0
|
334
|
int it=0;
|
Wimpie |
1:7218c076189b
|
335
|
uint8_t Mem[1];
|
Wimpie |
1:7218c076189b
|
336
|
Mem[0]=(uint8_t)(b & 0x00FF);
|
Wimpie |
2:193926923cb0
|
337
|
do {
|
Wimpie |
2:193926923cb0
|
338
|
ok=WriteMemory(Mem,Address,1);
|
Wimpie |
2:193926923cb0
|
339
|
it++;
|
Wimpie |
2:193926923cb0
|
340
|
} while ((ok==false) && (it<5));
|
Wimpie |
2:193926923cb0
|
341
|
if (it>1) {
|
Wimpie |
2:193926923cb0
|
342
|
output.printf (" EEPROM WriteByte %i times ->",it);
|
Wimpie |
2:193926923cb0
|
343
|
if (ok)
|
Wimpie |
2:193926923cb0
|
344
|
output.printf("ok\r\n");
|
Wimpie |
2:193926923cb0
|
345
|
else
|
Wimpie |
2:193926923cb0
|
346
|
output.printf("not ok\r\n");
|
Wimpie |
2:193926923cb0
|
347
|
}
|
Wimpie |
2:193926923cb0
|
348
|
return ok;
|
Wimpie |
2:193926923cb0
|
349
|
}
|
Wimpie |
2:193926923cb0
|
350
|
|
Wimpie |
2:193926923cb0
|
351
|
uint16_t OneWireEEPROM::ReadWord(uint16_t Address) {
|
Wimpie |
2:193926923cb0
|
352
|
int size;
|
Wimpie |
2:193926923cb0
|
353
|
int it=0;
|
Wimpie |
2:193926923cb0
|
354
|
|
Wimpie |
2:193926923cb0
|
355
|
uint8_t Mem[2];
|
Wimpie |
2:193926923cb0
|
356
|
do {
|
Wimpie |
2:193926923cb0
|
357
|
size=ReadMemory(Mem,Address,2);
|
Wimpie |
2:193926923cb0
|
358
|
it++;
|
Wimpie |
2:193926923cb0
|
359
|
} while ((size==0) && (it<5));
|
Wimpie |
2:193926923cb0
|
360
|
// output.printf ("%i %i \r\n",Mem[0],Mem[1]);
|
Wimpie |
2:193926923cb0
|
361
|
if (it>1) {
|
Wimpie |
2:193926923cb0
|
362
|
output.printf (" EEPROM ReadWord %i times ->",it);
|
Wimpie |
2:193926923cb0
|
363
|
if (size>0)
|
Wimpie |
2:193926923cb0
|
364
|
output.printf("ok\r\n");
|
Wimpie |
2:193926923cb0
|
365
|
else
|
Wimpie |
2:193926923cb0
|
366
|
output.printf("not ok\r\n");
|
Wimpie |
2:193926923cb0
|
367
|
}
|
Wimpie |
2:193926923cb0
|
368
|
return (uint16_t)Mem[0] + (uint16_t) (Mem[1]<<8);
|
Wimpie |
2:193926923cb0
|
369
|
}
|
Wimpie |
2:193926923cb0
|
370
|
|
Wimpie |
2:193926923cb0
|
371
|
uint8_t OneWireEEPROM::ReadByte(uint8_t Address) {
|
Wimpie |
2:193926923cb0
|
372
|
int size;
|
Wimpie |
2:193926923cb0
|
373
|
int it=0;
|
Wimpie |
2:193926923cb0
|
374
|
uint8_t Mem[1];
|
Wimpie |
2:193926923cb0
|
375
|
do {
|
Wimpie |
2:193926923cb0
|
376
|
size=ReadMemory(Mem,Address,1);
|
Wimpie |
2:193926923cb0
|
377
|
it++;
|
Wimpie |
2:193926923cb0
|
378
|
} while ((size==0) && (it<5));
|
Wimpie |
2:193926923cb0
|
379
|
// output.printf ("%i \r\n",Mem[0]);
|
Wimpie |
2:193926923cb0
|
380
|
if (it>1) {
|
Wimpie |
2:193926923cb0
|
381
|
output.printf (" EEPROM ReadByte %i times ->",it);
|
Wimpie |
2:193926923cb0
|
382
|
if (size>0)
|
Wimpie |
2:193926923cb0
|
383
|
output.printf("ok\r\n");
|
Wimpie |
2:193926923cb0
|
384
|
else
|
Wimpie |
2:193926923cb0
|
385
|
output.printf("not ok\r\n");
|
Wimpie |
2:193926923cb0
|
386
|
}
|
Wimpie |
2:193926923cb0
|
387
|
return (uint8_t) Mem[0];
|
Wimpie |
1:7218c076189b
|
388
|
} |