Juan Ciafardini / eeprom

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eeprom.cpp@0:80245aff63ce, 2012-07-14 (annotated)

Committer:
bborredon
Date:
Sat Jul 14 08:20:06 2012 +0000
Revision:
0:80245aff63ce
Child:
1:a262173cac81
[mbed] converted /I2c/eeprom

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bborredon 0:80245aff63ce 1 /***********************************************************
bborredon 0:80245aff63ce 2 Author: Bernard Borredon
bborredon 0:80245aff63ce 3 Date: 27 december 2011
bborredon 0:80245aff63ce 4 Version: 1.0
bborredon 0:80245aff63ce 5 ************************************************************/
bborredon 0:80245aff63ce 6 #include "eeprom.h"
bborredon 0:80245aff63ce 7
bborredon 0:80245aff63ce 8 #define BIT_SET(x,n) (x=x | (0x01<<n))
bborredon 0:80245aff63ce 9 #define BIT_TEST(x,n) (x & (0x01<<n))
bborredon 0:80245aff63ce 10 #define BIT_CLEAR(x,n) (x=x & ~(0x01<<n))
bborredon 0:80245aff63ce 11
bborredon 0:80245aff63ce 12 EEPROM::EEPROM(PinName sda, PinName scl, uint8_t address, TypeEeprom type) : _i2c(sda, scl)
bborredon 0:80245aff63ce 13 {
bborredon 0:80245aff63ce 14
bborredon 0:80245aff63ce 15 _errnum = EEPROM_NoError;
bborredon 0:80245aff63ce 16 _type = type;
bborredon 0:80245aff63ce 17
bborredon 0:80245aff63ce 18 // Check address range
bborredon 0:80245aff63ce 19 _address = address;
bborredon 0:80245aff63ce 20 switch(type) {
bborredon 0:80245aff63ce 21 case T24C01 :
bborredon 0:80245aff63ce 22 case T24C02 :
bborredon 0:80245aff63ce 23 if(address > 7) {
bborredon 0:80245aff63ce 24 _errnum = EEPROM_BadAddress;
bborredon 0:80245aff63ce 25 }
bborredon 0:80245aff63ce 26 _address = _address << 1;
bborredon 0:80245aff63ce 27 _page_write = 8;
bborredon 0:80245aff63ce 28 _page_number = 1;
bborredon 0:80245aff63ce 29 break;
bborredon 0:80245aff63ce 30 case T24C04 :
bborredon 0:80245aff63ce 31 if(address > 7) {
bborredon 0:80245aff63ce 32 _errnum = EEPROM_BadAddress;
bborredon 0:80245aff63ce 33 }
bborredon 0:80245aff63ce 34 _address = (_address & 0xFE) << 1;
bborredon 0:80245aff63ce 35 _page_write = 16;
bborredon 0:80245aff63ce 36 _page_number = 2;
bborredon 0:80245aff63ce 37 break;
bborredon 0:80245aff63ce 38 case T24C08 :
bborredon 0:80245aff63ce 39 if(address > 7) {
bborredon 0:80245aff63ce 40 _errnum = EEPROM_BadAddress;
bborredon 0:80245aff63ce 41 }
bborredon 0:80245aff63ce 42 _address = (_address & 0xFC) << 1;
bborredon 0:80245aff63ce 43 _page_write = 16;
bborredon 0:80245aff63ce 44 _page_number = 4;
bborredon 0:80245aff63ce 45 break;
bborredon 0:80245aff63ce 46 case T24C16 :
bborredon 0:80245aff63ce 47 _address = 0;
bborredon 0:80245aff63ce 48 _page_write = 16;
bborredon 0:80245aff63ce 49 _page_number = 8;
bborredon 0:80245aff63ce 50 break;
bborredon 0:80245aff63ce 51 case T24C32 :
bborredon 0:80245aff63ce 52 case T24C64 :
bborredon 0:80245aff63ce 53 if(address > 7) {
bborredon 0:80245aff63ce 54 _errnum = EEPROM_BadAddress;
bborredon 0:80245aff63ce 55 }
bborredon 0:80245aff63ce 56 _address = _address << 1;
bborredon 0:80245aff63ce 57 _page_write = 32;
bborredon 0:80245aff63ce 58 _page_number = 1;
bborredon 0:80245aff63ce 59 break;
bborredon 0:80245aff63ce 60 case T24C128 :
bborredon 0:80245aff63ce 61 case T24C256 :
bborredon 0:80245aff63ce 62 if(address > 3) {
bborredon 0:80245aff63ce 63 _errnum = EEPROM_BadAddress;
bborredon 0:80245aff63ce 64 }
bborredon 0:80245aff63ce 65 _address = _address << 1;
bborredon 0:80245aff63ce 66 _page_write = 64;
bborredon 0:80245aff63ce 67 _page_number = 1;
bborredon 0:80245aff63ce 68 break;
bborredon 0:80245aff63ce 69 case T24C512 :
bborredon 0:80245aff63ce 70 if(address > 3) {
bborredon 0:80245aff63ce 71 _errnum = EEPROM_BadAddress;
bborredon 0:80245aff63ce 72 }
bborredon 0:80245aff63ce 73 _address = _address << 1;
bborredon 0:80245aff63ce 74 _page_write = 128;
bborredon 0:80245aff63ce 75 _page_number = 1;
bborredon 0:80245aff63ce 76 break;
bborredon 0:80245aff63ce 77 case T24C1024 :
bborredon 0:80245aff63ce 78 if(address > 7) {
bborredon 0:80245aff63ce 79 _errnum = EEPROM_BadAddress;
bborredon 0:80245aff63ce 80 }
bborredon 0:80245aff63ce 81 _address = (_address & 0xFE) << 1;
bborredon 0:80245aff63ce 82 _page_write = 128;
bborredon 0:80245aff63ce 83 _page_number = 2;
bborredon 0:80245aff63ce 84 break;
bborredon 0:80245aff63ce 85 case T24C1025 :
bborredon 0:80245aff63ce 86 if(address > 3) {
bborredon 0:80245aff63ce 87 _errnum = EEPROM_BadAddress;
bborredon 0:80245aff63ce 88 }
bborredon 0:80245aff63ce 89 _address = _address << 1;
bborredon 0:80245aff63ce 90 _page_write = 128;
bborredon 0:80245aff63ce 91 _page_number = 2;
bborredon 0:80245aff63ce 92 break;
bborredon 0:80245aff63ce 93 }
bborredon 0:80245aff63ce 94
bborredon 0:80245aff63ce 95 // Size in bytes
bborredon 0:80245aff63ce 96 _size = _type;
bborredon 0:80245aff63ce 97 if(_type == T24C1025)
bborredon 0:80245aff63ce 98 _size = T24C1024;
bborredon 0:80245aff63ce 99
bborredon 0:80245aff63ce 100 // Set I2C frequency
bborredon 0:80245aff63ce 101 _i2c.frequency(400000);
bborredon 0:80245aff63ce 102 }
bborredon 0:80245aff63ce 103
bborredon 0:80245aff63ce 104 void EEPROM::write(uint16_t address, int8_t data)
bborredon 0:80245aff63ce 105 {
bborredon 0:80245aff63ce 106 uint8_t page;
bborredon 0:80245aff63ce 107 uint8_t addr;
bborredon 0:80245aff63ce 108 uint8_t cmd[3];
bborredon 0:80245aff63ce 109 int len;
bborredon 0:80245aff63ce 110 int ack;
bborredon 0:80245aff63ce 111
bborredon 0:80245aff63ce 112 // Check error
bborredon 0:80245aff63ce 113 if(_errnum)
bborredon 0:80245aff63ce 114 return;
bborredon 0:80245aff63ce 115
bborredon 0:80245aff63ce 116 // Check address
bborredon 0:80245aff63ce 117 if(!checkAddress(address)) {
bborredon 0:80245aff63ce 118 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 119 return;
bborredon 0:80245aff63ce 120 }
bborredon 0:80245aff63ce 121
bborredon 0:80245aff63ce 122 // Compute page number
bborredon 0:80245aff63ce 123 page = 0;
bborredon 0:80245aff63ce 124 if(_type < T24C32)
bborredon 0:80245aff63ce 125 page = (uint8_t) (address / 256);
bborredon 0:80245aff63ce 126
bborredon 0:80245aff63ce 127 // Device address
bborredon 0:80245aff63ce 128 addr = EEPROM_Address | _address | (page << 1);
bborredon 0:80245aff63ce 129
bborredon 0:80245aff63ce 130 if(_type < T24C32) {
bborredon 0:80245aff63ce 131 len = 2;
bborredon 0:80245aff63ce 132
bborredon 0:80245aff63ce 133 // Word address
bborredon 0:80245aff63ce 134 cmd[0] = (uint8_t) (address - page * 256);
bborredon 0:80245aff63ce 135
bborredon 0:80245aff63ce 136 // Data
bborredon 0:80245aff63ce 137 cmd[1] = (uint8_t) data;
bborredon 0:80245aff63ce 138 }
bborredon 0:80245aff63ce 139 else {
bborredon 0:80245aff63ce 140 len = 3;
bborredon 0:80245aff63ce 141
bborredon 0:80245aff63ce 142 // First word address (MSB)
bborredon 0:80245aff63ce 143 cmd[0] = (uint8_t) (address >> 8);
bborredon 0:80245aff63ce 144
bborredon 0:80245aff63ce 145 // Second word address (LSB)
bborredon 0:80245aff63ce 146 cmd[1] = (uint8_t) address;
bborredon 0:80245aff63ce 147
bborredon 0:80245aff63ce 148 // Data
bborredon 0:80245aff63ce 149 cmd[2] = (uint8_t) data;
bborredon 0:80245aff63ce 150 }
bborredon 0:80245aff63ce 151
bborredon 0:80245aff63ce 152 //printf("len %d address %02x cmd[0] %02x cmd[1] %02x cmd[2] %02x\n",len,addr,cmd[0],cmd[1],cmd[2]);
bborredon 0:80245aff63ce 153
bborredon 0:80245aff63ce 154 ack = _i2c.write((int)addr,(char *)cmd,len);
bborredon 0:80245aff63ce 155 if(ack != 0) {
bborredon 0:80245aff63ce 156 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 157 return;
bborredon 0:80245aff63ce 158 }
bborredon 0:80245aff63ce 159
bborredon 0:80245aff63ce 160 // Wait end of write
bborredon 0:80245aff63ce 161 ready();
bborredon 0:80245aff63ce 162
bborredon 0:80245aff63ce 163 }
bborredon 0:80245aff63ce 164
bborredon 0:80245aff63ce 165 void EEPROM::write(uint16_t address, int8_t data[], uint16_t length)
bborredon 0:80245aff63ce 166 {
bborredon 0:80245aff63ce 167 uint8_t page;
bborredon 0:80245aff63ce 168 uint8_t addr;
bborredon 0:80245aff63ce 169 uint8_t blocs,remain;
bborredon 0:80245aff63ce 170 uint8_t fpart,lpart;
bborredon 0:80245aff63ce 171 uint8_t i,j,ind;
bborredon 0:80245aff63ce 172 uint8_t cmd[129];
bborredon 0:80245aff63ce 173 int ack;
bborredon 0:80245aff63ce 174
bborredon 0:80245aff63ce 175 // Check error
bborredon 0:80245aff63ce 176 if(_errnum)
bborredon 0:80245aff63ce 177 return;
bborredon 0:80245aff63ce 178
bborredon 0:80245aff63ce 179 // Check address
bborredon 0:80245aff63ce 180 if(!checkAddress(address)) {
bborredon 0:80245aff63ce 181 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 182 return;
bborredon 0:80245aff63ce 183 }
bborredon 0:80245aff63ce 184
bborredon 0:80245aff63ce 185 // Check length
bborredon 0:80245aff63ce 186 if(!checkAddress(address + length - 1)) {
bborredon 0:80245aff63ce 187 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 188 return;
bborredon 0:80245aff63ce 189 }
bborredon 0:80245aff63ce 190
bborredon 0:80245aff63ce 191 // Compute blocs numbers
bborredon 0:80245aff63ce 192 blocs = length / _page_write;
bborredon 0:80245aff63ce 193
bborredon 0:80245aff63ce 194 // Compute remaining bytes
bborredon 0:80245aff63ce 195 remain = length - blocs * _page_write;
bborredon 0:80245aff63ce 196
bborredon 0:80245aff63ce 197 for(i = 0;i < blocs;i++) {
bborredon 0:80245aff63ce 198 // Compute page number
bborredon 0:80245aff63ce 199 page = 0;
bborredon 0:80245aff63ce 200 if(_type < T24C32)
bborredon 0:80245aff63ce 201 page = (uint8_t) (address / 256);
bborredon 0:80245aff63ce 202
bborredon 0:80245aff63ce 203 // Device address
bborredon 0:80245aff63ce 204 addr = EEPROM_Address | _address | (page << 1);
bborredon 0:80245aff63ce 205
bborredon 0:80245aff63ce 206 if(_type < T24C32) {
bborredon 0:80245aff63ce 207 // Word address
bborredon 0:80245aff63ce 208 cmd[0] = (uint8_t) (address - page * 256);
bborredon 0:80245aff63ce 209
bborredon 0:80245aff63ce 210 if((uint8_t) ((address + _page_write) / 256) == page) { // Data fit in the same page
bborredon 0:80245aff63ce 211 // Add data
bborredon 0:80245aff63ce 212 for(j = 0;j < _page_write;j++)
bborredon 0:80245aff63ce 213 cmd[j + 1] = (uint8_t) data[i * _page_write + j];
bborredon 0:80245aff63ce 214
bborredon 0:80245aff63ce 215 // Write data
bborredon 0:80245aff63ce 216 ack = _i2c.write((int)addr,(char *)cmd,_page_write + 1);
bborredon 0:80245aff63ce 217 if(ack != 0) {
bborredon 0:80245aff63ce 218 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 219 return;
bborredon 0:80245aff63ce 220 }
bborredon 0:80245aff63ce 221
bborredon 0:80245aff63ce 222 // Wait end of write
bborredon 0:80245aff63ce 223 ready();
bborredon 0:80245aff63ce 224
bborredon 0:80245aff63ce 225 // Increment address
bborredon 0:80245aff63ce 226 address += _page_write;
bborredon 0:80245aff63ce 227 }
bborredon 0:80245aff63ce 228 else { // Data on 2 pages. We must split the write
bborredon 0:80245aff63ce 229 // Number of bytes in current page
bborredon 0:80245aff63ce 230 fpart = (page + 1) * 256 - address;
bborredon 0:80245aff63ce 231
bborredon 0:80245aff63ce 232 // Add data for current page
bborredon 0:80245aff63ce 233 for(j = 0;j < fpart;j++)
bborredon 0:80245aff63ce 234 cmd[j + 1] = (uint8_t) data[i * _page_write + j];
bborredon 0:80245aff63ce 235
bborredon 0:80245aff63ce 236 // Write data for current page
bborredon 0:80245aff63ce 237 ack = _i2c.write((int)addr,(char *)cmd,fpart + 1);
bborredon 0:80245aff63ce 238 if(ack != 0) {
bborredon 0:80245aff63ce 239 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 240 return;
bborredon 0:80245aff63ce 241 }
bborredon 0:80245aff63ce 242
bborredon 0:80245aff63ce 243 // Wait end of write
bborredon 0:80245aff63ce 244 ready();
bborredon 0:80245aff63ce 245
bborredon 0:80245aff63ce 246 // Increment address
bborredon 0:80245aff63ce 247 address += fpart;
bborredon 0:80245aff63ce 248
bborredon 0:80245aff63ce 249 if(page < _page_number - 1) {
bborredon 0:80245aff63ce 250 // Increment page
bborredon 0:80245aff63ce 251 page++;
bborredon 0:80245aff63ce 252
bborredon 0:80245aff63ce 253 // Device address
bborredon 0:80245aff63ce 254 addr = EEPROM_Address | _address | (page << 1);
bborredon 0:80245aff63ce 255
bborredon 0:80245aff63ce 256 // Word address
bborredon 0:80245aff63ce 257 cmd[0] = (uint8_t) (address - page * 256);
bborredon 0:80245aff63ce 258
bborredon 0:80245aff63ce 259 // Data index
bborredon 0:80245aff63ce 260 ind = i * _page_write + fpart;
bborredon 0:80245aff63ce 261
bborredon 0:80245aff63ce 262 // Number of bytes in next page
bborredon 0:80245aff63ce 263 lpart = _page_write - fpart;
bborredon 0:80245aff63ce 264
bborredon 0:80245aff63ce 265 // Add data for next page
bborredon 0:80245aff63ce 266 for(j = 0;j < lpart;j++)
bborredon 0:80245aff63ce 267 cmd[j + 1] = (uint8_t) data[ind + j];
bborredon 0:80245aff63ce 268
bborredon 0:80245aff63ce 269 // Write data for next page
bborredon 0:80245aff63ce 270 ack = _i2c.write((int)addr,(char *)cmd,lpart + 1);
bborredon 0:80245aff63ce 271 if(ack != 0) {
bborredon 0:80245aff63ce 272 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 273 return;
bborredon 0:80245aff63ce 274 }
bborredon 0:80245aff63ce 275
bborredon 0:80245aff63ce 276 // Wait end of write
bborredon 0:80245aff63ce 277 ready();
bborredon 0:80245aff63ce 278
bborredon 0:80245aff63ce 279 // Increment address
bborredon 0:80245aff63ce 280 address += lpart;
bborredon 0:80245aff63ce 281 }
bborredon 0:80245aff63ce 282 }
bborredon 0:80245aff63ce 283 }
bborredon 0:80245aff63ce 284 else {
bborredon 0:80245aff63ce 285 // First word address (MSB)
bborredon 0:80245aff63ce 286 cmd[0] = (uint8_t) (address >> 8);
bborredon 0:80245aff63ce 287
bborredon 0:80245aff63ce 288 // Second word address (LSB)
bborredon 0:80245aff63ce 289 cmd[1] = (uint8_t) address;
bborredon 0:80245aff63ce 290
bborredon 0:80245aff63ce 291 // Add data
bborredon 0:80245aff63ce 292 for(j = 0;j < _page_write;j++)
bborredon 0:80245aff63ce 293 cmd[j + 2] = (uint8_t) data[i * _page_write + j];
bborredon 0:80245aff63ce 294
bborredon 0:80245aff63ce 295 // Write data
bborredon 0:80245aff63ce 296 ack = _i2c.write((int)addr,(char *)cmd,_page_write + 2);
bborredon 0:80245aff63ce 297 if(ack != 0) {
bborredon 0:80245aff63ce 298 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 299 return;
bborredon 0:80245aff63ce 300 }
bborredon 0:80245aff63ce 301
bborredon 0:80245aff63ce 302 // Wait end of write
bborredon 0:80245aff63ce 303 ready();
bborredon 0:80245aff63ce 304
bborredon 0:80245aff63ce 305 // Increment address
bborredon 0:80245aff63ce 306 address += _page_write;
bborredon 0:80245aff63ce 307 }
bborredon 0:80245aff63ce 308 }
bborredon 0:80245aff63ce 309
bborredon 0:80245aff63ce 310 // Compute page number
bborredon 0:80245aff63ce 311 page = 0;
bborredon 0:80245aff63ce 312 if(_type < T24C32)
bborredon 0:80245aff63ce 313 page = (uint8_t) (address / 256);
bborredon 0:80245aff63ce 314
bborredon 0:80245aff63ce 315 // Device address
bborredon 0:80245aff63ce 316 addr = EEPROM_Address | _address | (page << 1);
bborredon 0:80245aff63ce 317
bborredon 0:80245aff63ce 318 if(_type < T24C32) {
bborredon 0:80245aff63ce 319 // Word address
bborredon 0:80245aff63ce 320 cmd[0] = (uint8_t) (address - page * 256);
bborredon 0:80245aff63ce 321
bborredon 0:80245aff63ce 322 if((uint8_t) ((address + remain) / 256) == page) { // Data fit in the same page
bborredon 0:80245aff63ce 323 // Add data for the current page
bborredon 0:80245aff63ce 324 for(j = 0;j < remain;j++)
bborredon 0:80245aff63ce 325 cmd[j + 1] = (uint8_t) data[blocs * _page_write + j];
bborredon 0:80245aff63ce 326
bborredon 0:80245aff63ce 327 // Write data for the current page
bborredon 0:80245aff63ce 328 ack = _i2c.write((int)addr,(char *)cmd,remain + 1);
bborredon 0:80245aff63ce 329 if(ack != 0) {
bborredon 0:80245aff63ce 330 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 331 return;
bborredon 0:80245aff63ce 332 }
bborredon 0:80245aff63ce 333
bborredon 0:80245aff63ce 334 // Wait end of write
bborredon 0:80245aff63ce 335 ready();
bborredon 0:80245aff63ce 336 }
bborredon 0:80245aff63ce 337 else { // Data on 2 pages. We must split the write
bborredon 0:80245aff63ce 338 // Number of bytes in current page
bborredon 0:80245aff63ce 339 fpart = (page + 1) * 256 - address;
bborredon 0:80245aff63ce 340
bborredon 0:80245aff63ce 341 // Add data for current page
bborredon 0:80245aff63ce 342 for(j = 0;j < fpart;j++)
bborredon 0:80245aff63ce 343 cmd[j + 1] = (uint8_t) data[blocs * _page_write + j];
bborredon 0:80245aff63ce 344
bborredon 0:80245aff63ce 345 // Write data for current page
bborredon 0:80245aff63ce 346 ack = _i2c.write((int)addr,(char *)cmd,fpart + 1);
bborredon 0:80245aff63ce 347 if(ack != 0) {
bborredon 0:80245aff63ce 348 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 349 return;
bborredon 0:80245aff63ce 350 }
bborredon 0:80245aff63ce 351
bborredon 0:80245aff63ce 352 // Wait end of write
bborredon 0:80245aff63ce 353 ready();
bborredon 0:80245aff63ce 354
bborredon 0:80245aff63ce 355 // Increment address
bborredon 0:80245aff63ce 356 address += fpart;
bborredon 0:80245aff63ce 357
bborredon 0:80245aff63ce 358 if(page < _page_number - 1) {
bborredon 0:80245aff63ce 359 // Increment page
bborredon 0:80245aff63ce 360 page++;
bborredon 0:80245aff63ce 361
bborredon 0:80245aff63ce 362 // Device address
bborredon 0:80245aff63ce 363 addr = EEPROM_Address | _address | (page << 1);
bborredon 0:80245aff63ce 364
bborredon 0:80245aff63ce 365 // Word address
bborredon 0:80245aff63ce 366 cmd[0] = (uint8_t) (address - page * 256);
bborredon 0:80245aff63ce 367
bborredon 0:80245aff63ce 368 // Data index
bborredon 0:80245aff63ce 369 ind = blocs * _page_write + fpart;
bborredon 0:80245aff63ce 370
bborredon 0:80245aff63ce 371 // Number of bytes in next page
bborredon 0:80245aff63ce 372 lpart = remain - fpart;
bborredon 0:80245aff63ce 373
bborredon 0:80245aff63ce 374 // Add data for next page
bborredon 0:80245aff63ce 375 for(j = 0;j < lpart;j++)
bborredon 0:80245aff63ce 376 cmd[j + 1] = (uint8_t) data[ind + j];
bborredon 0:80245aff63ce 377
bborredon 0:80245aff63ce 378 // Write data for next page
bborredon 0:80245aff63ce 379 ack = _i2c.write((int)addr,(char *)cmd,lpart + 1);
bborredon 0:80245aff63ce 380 if(ack != 0) {
bborredon 0:80245aff63ce 381 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 382 return;
bborredon 0:80245aff63ce 383 }
bborredon 0:80245aff63ce 384
bborredon 0:80245aff63ce 385 // Wait end of write
bborredon 0:80245aff63ce 386 ready();
bborredon 0:80245aff63ce 387 }
bborredon 0:80245aff63ce 388 }
bborredon 0:80245aff63ce 389 }
bborredon 0:80245aff63ce 390 else {
bborredon 0:80245aff63ce 391 // Fist word address (MSB)
bborredon 0:80245aff63ce 392 cmd[0] = (uint8_t) (address >> 8);
bborredon 0:80245aff63ce 393
bborredon 0:80245aff63ce 394 // Second word address (LSB)
bborredon 0:80245aff63ce 395 cmd[1] = (uint8_t) address;
bborredon 0:80245aff63ce 396
bborredon 0:80245aff63ce 397 // Add data for the current page
bborredon 0:80245aff63ce 398 for(j = 0;j < remain;j++)
bborredon 0:80245aff63ce 399 cmd[j + 2] = (uint8_t) data[blocs * _page_write + j];
bborredon 0:80245aff63ce 400
bborredon 0:80245aff63ce 401 // Write data for the current page
bborredon 0:80245aff63ce 402 ack = _i2c.write((int)addr,(char *)cmd,remain + 2);
bborredon 0:80245aff63ce 403 if(ack != 0) {
bborredon 0:80245aff63ce 404 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 405 return;
bborredon 0:80245aff63ce 406 }
bborredon 0:80245aff63ce 407
bborredon 0:80245aff63ce 408 // Wait end of write
bborredon 0:80245aff63ce 409 ready();
bborredon 0:80245aff63ce 410 }
bborredon 0:80245aff63ce 411
bborredon 0:80245aff63ce 412 }
bborredon 0:80245aff63ce 413
bborredon 0:80245aff63ce 414 void EEPROM::write(uint16_t address, int16_t data)
bborredon 0:80245aff63ce 415 {
bborredon 0:80245aff63ce 416 int8_t cmd[2];
bborredon 0:80245aff63ce 417
bborredon 0:80245aff63ce 418 // Check error
bborredon 0:80245aff63ce 419 if(_errnum)
bborredon 0:80245aff63ce 420 return;
bborredon 0:80245aff63ce 421
bborredon 0:80245aff63ce 422 // Check address
bborredon 0:80245aff63ce 423 if(!checkAddress(address + 1)) {
bborredon 0:80245aff63ce 424 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 425 return;
bborredon 0:80245aff63ce 426 }
bborredon 0:80245aff63ce 427
bborredon 0:80245aff63ce 428 memcpy(cmd,&data,2);
bborredon 0:80245aff63ce 429
bborredon 0:80245aff63ce 430 write(address,cmd,2);
bborredon 0:80245aff63ce 431
bborredon 0:80245aff63ce 432 }
bborredon 0:80245aff63ce 433
bborredon 0:80245aff63ce 434 void EEPROM::write(uint16_t address, int32_t data)
bborredon 0:80245aff63ce 435 {
bborredon 0:80245aff63ce 436 int8_t cmd[4];
bborredon 0:80245aff63ce 437
bborredon 0:80245aff63ce 438 // Check error
bborredon 0:80245aff63ce 439 if(_errnum)
bborredon 0:80245aff63ce 440 return;
bborredon 0:80245aff63ce 441
bborredon 0:80245aff63ce 442 // Check address
bborredon 0:80245aff63ce 443 if(!checkAddress(address + 3)) {
bborredon 0:80245aff63ce 444 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 445 return;
bborredon 0:80245aff63ce 446 }
bborredon 0:80245aff63ce 447
bborredon 0:80245aff63ce 448 memcpy(cmd,&data,4);
bborredon 0:80245aff63ce 449
bborredon 0:80245aff63ce 450 write(address,cmd,4);
bborredon 0:80245aff63ce 451
bborredon 0:80245aff63ce 452 }
bborredon 0:80245aff63ce 453
bborredon 0:80245aff63ce 454 void EEPROM::write(uint16_t address, float data)
bborredon 0:80245aff63ce 455 {
bborredon 0:80245aff63ce 456 int8_t cmd[4];
bborredon 0:80245aff63ce 457
bborredon 0:80245aff63ce 458 // Check error
bborredon 0:80245aff63ce 459 if(_errnum)
bborredon 0:80245aff63ce 460 return;
bborredon 0:80245aff63ce 461
bborredon 0:80245aff63ce 462 // Check address
bborredon 0:80245aff63ce 463 if(!checkAddress(address + 3)) {
bborredon 0:80245aff63ce 464 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 465 return;
bborredon 0:80245aff63ce 466 }
bborredon 0:80245aff63ce 467
bborredon 0:80245aff63ce 468 memcpy(cmd,&data,4);
bborredon 0:80245aff63ce 469
bborredon 0:80245aff63ce 470 write(address,cmd,4);
bborredon 0:80245aff63ce 471
bborredon 0:80245aff63ce 472 }
bborredon 0:80245aff63ce 473
bborredon 0:80245aff63ce 474 void EEPROM::write(uint16_t address, void *data, uint16_t size)
bborredon 0:80245aff63ce 475 {
bborredon 0:80245aff63ce 476 int8_t *cmd = NULL;
bborredon 0:80245aff63ce 477
bborredon 0:80245aff63ce 478 // Check error
bborredon 0:80245aff63ce 479 if(_errnum)
bborredon 0:80245aff63ce 480 return;
bborredon 0:80245aff63ce 481
bborredon 0:80245aff63ce 482 // Check address
bborredon 0:80245aff63ce 483 if(!checkAddress(address + size - 1)) {
bborredon 0:80245aff63ce 484 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 485 return;
bborredon 0:80245aff63ce 486 }
bborredon 0:80245aff63ce 487
bborredon 0:80245aff63ce 488 cmd = (int8_t *)malloc(size);
bborredon 0:80245aff63ce 489 if(cmd == NULL) {
bborredon 0:80245aff63ce 490 _errnum = EEPROM_MallocError;
bborredon 0:80245aff63ce 491 return;
bborredon 0:80245aff63ce 492 }
bborredon 0:80245aff63ce 493
bborredon 0:80245aff63ce 494 memcpy(cmd,data,size);
bborredon 0:80245aff63ce 495
bborredon 0:80245aff63ce 496 write(address,cmd,size);
bborredon 0:80245aff63ce 497
bborredon 0:80245aff63ce 498 free(cmd);
bborredon 0:80245aff63ce 499
bborredon 0:80245aff63ce 500 }
bborredon 0:80245aff63ce 501
bborredon 0:80245aff63ce 502 void EEPROM::read(uint16_t address, int8_t& data)
bborredon 0:80245aff63ce 503 {
bborredon 0:80245aff63ce 504 uint8_t page;
bborredon 0:80245aff63ce 505 uint8_t addr;
bborredon 0:80245aff63ce 506 uint8_t cmd[2];
bborredon 0:80245aff63ce 507 uint8_t len;
bborredon 0:80245aff63ce 508 int ack;
bborredon 0:80245aff63ce 509
bborredon 0:80245aff63ce 510 // Check error
bborredon 0:80245aff63ce 511 if(_errnum)
bborredon 0:80245aff63ce 512 return;
bborredon 0:80245aff63ce 513
bborredon 0:80245aff63ce 514 // Check address
bborredon 0:80245aff63ce 515 if(!checkAddress(address)) {
bborredon 0:80245aff63ce 516 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 517 return;
bborredon 0:80245aff63ce 518 }
bborredon 0:80245aff63ce 519
bborredon 0:80245aff63ce 520 // Compute page number
bborredon 0:80245aff63ce 521 page = 0;
bborredon 0:80245aff63ce 522 if(_type < T24C32)
bborredon 0:80245aff63ce 523 page = (uint8_t) (address / 256);
bborredon 0:80245aff63ce 524
bborredon 0:80245aff63ce 525 // Device address
bborredon 0:80245aff63ce 526 addr = EEPROM_Address | _address | (page << 1);
bborredon 0:80245aff63ce 527
bborredon 0:80245aff63ce 528 if(_type < T24C32) {
bborredon 0:80245aff63ce 529 len = 1;
bborredon 0:80245aff63ce 530
bborredon 0:80245aff63ce 531 // Word address
bborredon 0:80245aff63ce 532 cmd[0] = (uint8_t) (address - page * 256);
bborredon 0:80245aff63ce 533 }
bborredon 0:80245aff63ce 534 else {
bborredon 0:80245aff63ce 535 len = 2;
bborredon 0:80245aff63ce 536
bborredon 0:80245aff63ce 537 // First word address (MSB)
bborredon 0:80245aff63ce 538 cmd[0] = (uint8_t) (address >> 8);
bborredon 0:80245aff63ce 539
bborredon 0:80245aff63ce 540 // Second word address (LSB)
bborredon 0:80245aff63ce 541 cmd[1] = (uint8_t)address;
bborredon 0:80245aff63ce 542 }
bborredon 0:80245aff63ce 543
bborredon 0:80245aff63ce 544 // Write command
bborredon 0:80245aff63ce 545 ack = _i2c.write((int)addr,(char *)cmd,len,true);
bborredon 0:80245aff63ce 546 if(ack != 0) {
bborredon 0:80245aff63ce 547 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 548 return;
bborredon 0:80245aff63ce 549 }
bborredon 0:80245aff63ce 550
bborredon 0:80245aff63ce 551 // Read data
bborredon 0:80245aff63ce 552 ack = _i2c.read((int)addr,(char *)&data,sizeof(data));
bborredon 0:80245aff63ce 553 if(ack != 0) {
bborredon 0:80245aff63ce 554 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 555 return;
bborredon 0:80245aff63ce 556 }
bborredon 0:80245aff63ce 557
bborredon 0:80245aff63ce 558 }
bborredon 0:80245aff63ce 559
bborredon 0:80245aff63ce 560 void EEPROM::read(uint16_t address, int8_t *data, uint16_t size)
bborredon 0:80245aff63ce 561 {
bborredon 0:80245aff63ce 562 uint8_t page;
bborredon 0:80245aff63ce 563 uint8_t addr;
bborredon 0:80245aff63ce 564 uint8_t cmd[2];
bborredon 0:80245aff63ce 565 uint8_t len;
bborredon 0:80245aff63ce 566 int ack;
bborredon 0:80245aff63ce 567
bborredon 0:80245aff63ce 568 // Check error
bborredon 0:80245aff63ce 569 if(_errnum)
bborredon 0:80245aff63ce 570 return;
bborredon 0:80245aff63ce 571
bborredon 0:80245aff63ce 572 // Check address
bborredon 0:80245aff63ce 573 if(!checkAddress(address)) {
bborredon 0:80245aff63ce 574 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 575 return;
bborredon 0:80245aff63ce 576 }
bborredon 0:80245aff63ce 577
bborredon 0:80245aff63ce 578 // Check size
bborredon 0:80245aff63ce 579 if(!checkAddress(address + size - 1)) {
bborredon 0:80245aff63ce 580 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 581 return;
bborredon 0:80245aff63ce 582 }
bborredon 0:80245aff63ce 583
bborredon 0:80245aff63ce 584 // Compute page number
bborredon 0:80245aff63ce 585 page = 0;
bborredon 0:80245aff63ce 586 if(_type < T24C32)
bborredon 0:80245aff63ce 587 page = (uint8_t) (address / 256);
bborredon 0:80245aff63ce 588
bborredon 0:80245aff63ce 589 // Device address
bborredon 0:80245aff63ce 590 addr = EEPROM_Address | _address | (page << 1);
bborredon 0:80245aff63ce 591
bborredon 0:80245aff63ce 592 if(_type < T24C32) {
bborredon 0:80245aff63ce 593 len = 1;
bborredon 0:80245aff63ce 594
bborredon 0:80245aff63ce 595 // Word address
bborredon 0:80245aff63ce 596 cmd[0] = (uint8_t) (address - page * 256);
bborredon 0:80245aff63ce 597 }
bborredon 0:80245aff63ce 598 else {
bborredon 0:80245aff63ce 599 len = 2;
bborredon 0:80245aff63ce 600
bborredon 0:80245aff63ce 601 // First word address (MSB)
bborredon 0:80245aff63ce 602 cmd[0] = (uint8_t) (address >> 8);
bborredon 0:80245aff63ce 603
bborredon 0:80245aff63ce 604 // Second word address (LSB)
bborredon 0:80245aff63ce 605 cmd[1] = (uint8_t) address;
bborredon 0:80245aff63ce 606 }
bborredon 0:80245aff63ce 607
bborredon 0:80245aff63ce 608 // Write command
bborredon 0:80245aff63ce 609 ack = _i2c.write((int)addr,(char *)cmd,len,true);
bborredon 0:80245aff63ce 610 if(ack != 0) {
bborredon 0:80245aff63ce 611 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 612 return;
bborredon 0:80245aff63ce 613 }
bborredon 0:80245aff63ce 614
bborredon 0:80245aff63ce 615 // Sequential read
bborredon 0:80245aff63ce 616 ack = _i2c.read((int)addr,(char *)data,size);
bborredon 0:80245aff63ce 617 if(ack != 0) {
bborredon 0:80245aff63ce 618 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 619 return;
bborredon 0:80245aff63ce 620 }
bborredon 0:80245aff63ce 621
bborredon 0:80245aff63ce 622 }
bborredon 0:80245aff63ce 623
bborredon 0:80245aff63ce 624 void EEPROM::read(int8_t& data)
bborredon 0:80245aff63ce 625 {
bborredon 0:80245aff63ce 626 uint8_t addr;
bborredon 0:80245aff63ce 627 int ack;
bborredon 0:80245aff63ce 628
bborredon 0:80245aff63ce 629 // Check error
bborredon 0:80245aff63ce 630 if(_errnum)
bborredon 0:80245aff63ce 631 return;
bborredon 0:80245aff63ce 632
bborredon 0:80245aff63ce 633 // Device address
bborredon 0:80245aff63ce 634 addr = EEPROM_Address | _address;
bborredon 0:80245aff63ce 635
bborredon 0:80245aff63ce 636 // Read data
bborredon 0:80245aff63ce 637 ack = _i2c.read((int)addr,(char *)&data,sizeof(data));
bborredon 0:80245aff63ce 638 if(ack != 0) {
bborredon 0:80245aff63ce 639 _errnum = EEPROM_I2cError;
bborredon 0:80245aff63ce 640 return;
bborredon 0:80245aff63ce 641 }
bborredon 0:80245aff63ce 642
bborredon 0:80245aff63ce 643 }
bborredon 0:80245aff63ce 644
bborredon 0:80245aff63ce 645 void EEPROM::read(uint16_t address, int16_t& data)
bborredon 0:80245aff63ce 646 {
bborredon 0:80245aff63ce 647 int8_t cmd[2];
bborredon 0:80245aff63ce 648
bborredon 0:80245aff63ce 649 // Check error
bborredon 0:80245aff63ce 650 if(_errnum)
bborredon 0:80245aff63ce 651 return;
bborredon 0:80245aff63ce 652
bborredon 0:80245aff63ce 653 // Check address
bborredon 0:80245aff63ce 654 if(!checkAddress(address + 1)) {
bborredon 0:80245aff63ce 655 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 656 return;
bborredon 0:80245aff63ce 657 }
bborredon 0:80245aff63ce 658
bborredon 0:80245aff63ce 659 read(address,cmd,2);
bborredon 0:80245aff63ce 660
bborredon 0:80245aff63ce 661 memcpy(&data,cmd,2);
bborredon 0:80245aff63ce 662
bborredon 0:80245aff63ce 663 }
bborredon 0:80245aff63ce 664
bborredon 0:80245aff63ce 665 void EEPROM::read(uint16_t address, int32_t& data)
bborredon 0:80245aff63ce 666 {
bborredon 0:80245aff63ce 667 int8_t cmd[4];
bborredon 0:80245aff63ce 668
bborredon 0:80245aff63ce 669 // Check error
bborredon 0:80245aff63ce 670 if(_errnum)
bborredon 0:80245aff63ce 671 return;
bborredon 0:80245aff63ce 672
bborredon 0:80245aff63ce 673 // Check address
bborredon 0:80245aff63ce 674 if(!checkAddress(address + 3)) {
bborredon 0:80245aff63ce 675 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 676 return;
bborredon 0:80245aff63ce 677 }
bborredon 0:80245aff63ce 678
bborredon 0:80245aff63ce 679 read(address,cmd,4);
bborredon 0:80245aff63ce 680
bborredon 0:80245aff63ce 681 memcpy(&data,cmd,4);
bborredon 0:80245aff63ce 682
bborredon 0:80245aff63ce 683 }
bborredon 0:80245aff63ce 684
bborredon 0:80245aff63ce 685 void EEPROM::read(uint16_t address, float& data)
bborredon 0:80245aff63ce 686 {
bborredon 0:80245aff63ce 687 int8_t cmd[4];
bborredon 0:80245aff63ce 688
bborredon 0:80245aff63ce 689 // Check error
bborredon 0:80245aff63ce 690 if(_errnum)
bborredon 0:80245aff63ce 691 return;
bborredon 0:80245aff63ce 692
bborredon 0:80245aff63ce 693 // Check address
bborredon 0:80245aff63ce 694 if(!checkAddress(address + 3)) {
bborredon 0:80245aff63ce 695 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 696 return;
bborredon 0:80245aff63ce 697 }
bborredon 0:80245aff63ce 698
bborredon 0:80245aff63ce 699 read(address,cmd,4);
bborredon 0:80245aff63ce 700
bborredon 0:80245aff63ce 701 memcpy(&data,cmd,4);
bborredon 0:80245aff63ce 702
bborredon 0:80245aff63ce 703 }
bborredon 0:80245aff63ce 704
bborredon 0:80245aff63ce 705 void EEPROM::read(uint16_t address, void *data, uint16_t size)
bborredon 0:80245aff63ce 706 {
bborredon 0:80245aff63ce 707 int8_t *cmd = NULL;
bborredon 0:80245aff63ce 708
bborredon 0:80245aff63ce 709 // Check error
bborredon 0:80245aff63ce 710 if(_errnum)
bborredon 0:80245aff63ce 711 return;
bborredon 0:80245aff63ce 712
bborredon 0:80245aff63ce 713 // Check address
bborredon 0:80245aff63ce 714 if(!checkAddress(address + size - 1)) {
bborredon 0:80245aff63ce 715 _errnum = EEPROM_OutOfRange;
bborredon 0:80245aff63ce 716 return;
bborredon 0:80245aff63ce 717 }
bborredon 0:80245aff63ce 718
bborredon 0:80245aff63ce 719 cmd = (int8_t *)malloc(size);
bborredon 0:80245aff63ce 720 if(cmd == NULL) {
bborredon 0:80245aff63ce 721 _errnum = EEPROM_MallocError;
bborredon 0:80245aff63ce 722 return;
bborredon 0:80245aff63ce 723 }
bborredon 0:80245aff63ce 724
bborredon 0:80245aff63ce 725 read(address,cmd,size);
bborredon 0:80245aff63ce 726
bborredon 0:80245aff63ce 727 memcpy(data,cmd,size);
bborredon 0:80245aff63ce 728
bborredon 0:80245aff63ce 729 free(cmd);
bborredon 0:80245aff63ce 730
bborredon 0:80245aff63ce 731 }
bborredon 0:80245aff63ce 732
bborredon 0:80245aff63ce 733 void EEPROM::ready(void)
bborredon 0:80245aff63ce 734 {
bborredon 0:80245aff63ce 735 int ack;
bborredon 0:80245aff63ce 736 uint8_t addr;
bborredon 0:80245aff63ce 737 uint8_t cmd;
bborredon 0:80245aff63ce 738
bborredon 0:80245aff63ce 739 // Check error
bborredon 0:80245aff63ce 740 if(_errnum)
bborredon 0:80245aff63ce 741 return;
bborredon 0:80245aff63ce 742
bborredon 0:80245aff63ce 743 // Device address
bborredon 0:80245aff63ce 744 addr = EEPROM_Address | _address;
bborredon 0:80245aff63ce 745
bborredon 0:80245aff63ce 746 cmd = 0;
bborredon 0:80245aff63ce 747
bborredon 0:80245aff63ce 748 // Wait end of write
bborredon 0:80245aff63ce 749 do {
bborredon 0:80245aff63ce 750 ack = _i2c.write((int)addr,(char *)cmd,0);
bborredon 0:80245aff63ce 751 } while(ack != 0);
bborredon 0:80245aff63ce 752
bborredon 0:80245aff63ce 753 }
bborredon 0:80245aff63ce 754
bborredon 0:80245aff63ce 755 uint32_t EEPROM::getSize(void)
bborredon 0:80245aff63ce 756 {
bborredon 0:80245aff63ce 757 return(_size);
bborredon 0:80245aff63ce 758 }
bborredon 0:80245aff63ce 759
bborredon 0:80245aff63ce 760 uint8_t EEPROM::getError(void)
bborredon 0:80245aff63ce 761 {
bborredon 0:80245aff63ce 762 return(_errnum);
bborredon 0:80245aff63ce 763 }
bborredon 0:80245aff63ce 764
bborredon 0:80245aff63ce 765 bool EEPROM::checkAddress(uint16_t address)
bborredon 0:80245aff63ce 766 {
bborredon 0:80245aff63ce 767 bool ret = true;
bborredon 0:80245aff63ce 768
bborredon 0:80245aff63ce 769 switch(_type) {
bborredon 0:80245aff63ce 770 case T24C01 :
bborredon 0:80245aff63ce 771 if(address >= T24C01)
bborredon 0:80245aff63ce 772 ret = false;
bborredon 0:80245aff63ce 773 break;
bborredon 0:80245aff63ce 774 case T24C02 :
bborredon 0:80245aff63ce 775 if(address >= T24C02)
bborredon 0:80245aff63ce 776 ret = false;
bborredon 0:80245aff63ce 777 break;
bborredon 0:80245aff63ce 778 case T24C04 :
bborredon 0:80245aff63ce 779 if(address >= T24C04)
bborredon 0:80245aff63ce 780 ret = false;
bborredon 0:80245aff63ce 781 break;
bborredon 0:80245aff63ce 782 case T24C08 :
bborredon 0:80245aff63ce 783 if(address >= T24C08)
bborredon 0:80245aff63ce 784 ret = false;
bborredon 0:80245aff63ce 785 break;
bborredon 0:80245aff63ce 786 case T24C16 :
bborredon 0:80245aff63ce 787 if(address >= T24C16)
bborredon 0:80245aff63ce 788 ret = false;
bborredon 0:80245aff63ce 789 break;
bborredon 0:80245aff63ce 790 case T24C32 :
bborredon 0:80245aff63ce 791 if(address >= T24C32)
bborredon 0:80245aff63ce 792 ret = false;
bborredon 0:80245aff63ce 793 break;
bborredon 0:80245aff63ce 794 case T24C64 :
bborredon 0:80245aff63ce 795 if(address >= T24C64)
bborredon 0:80245aff63ce 796 ret = false;
bborredon 0:80245aff63ce 797 break;
bborredon 0:80245aff63ce 798 case T24C128 :
bborredon 0:80245aff63ce 799 if(address >= T24C128)
bborredon 0:80245aff63ce 800 ret = false;
bborredon 0:80245aff63ce 801 break;
bborredon 0:80245aff63ce 802 case T24C256 :
bborredon 0:80245aff63ce 803 if(address >= T24C256)
bborredon 0:80245aff63ce 804 ret = false;
bborredon 0:80245aff63ce 805 break;
bborredon 0:80245aff63ce 806 case T24C512 :
bborredon 0:80245aff63ce 807 if(address >= T24C512)
bborredon 0:80245aff63ce 808 ret = false;
bborredon 0:80245aff63ce 809 break;
bborredon 0:80245aff63ce 810 case T24C1024 :
bborredon 0:80245aff63ce 811 if(address >= T24C1024)
bborredon 0:80245aff63ce 812 ret = false;
bborredon 0:80245aff63ce 813 break;
bborredon 0:80245aff63ce 814 case T24C1025 :
bborredon 0:80245aff63ce 815 if(address >= T24C1025 - 1)
bborredon 0:80245aff63ce 816 ret = false;
bborredon 0:80245aff63ce 817 break;
bborredon 0:80245aff63ce 818 }
bborredon 0:80245aff63ce 819
bborredon 0:80245aff63ce 820 return(ret);
bborredon 0:80245aff63ce 821 }