Canberk Sönmez / Mbed 2 deprecated LTC2945_Monitor

LTC2945 ported

Dependencies:   mbed

LT_I2C.cpp@1:6d4265aa4184, 2017-08-23 (annotated)

Committer:
odtulumbedder
Date:
Wed Aug 23 11:05:46 2017 +0000
Revision:
1:6d4265aa4184
Parent:
0:6be57f391716
Child:
2:7e390bcce297
DEBUGGING STUFF

Who changed what in which revision?

UserRevisionLine numberNew contents of line
odtulumbedder 0:6be57f391716 1 #include "LT_I2C.h"
odtulumbedder 0:6be57f391716 2
odtulumbedder 0:6be57f391716 3 /* mbed headers */
odtulumbedder 0:6be57f391716 4 #include <mbed.h>
odtulumbedder 0:6be57f391716 5 #include <I2C.h>
odtulumbedder 0:6be57f391716 6
odtulumbedder 1:6d4265aa4184 7 /* for debugging */
odtulumbedder 1:6d4265aa4184 8 #ifdef LT_I2C_DEBUG
odtulumbedder 1:6d4265aa4184 9 #define ASSERT(x) if (! (x)) { printf("%s:%d %s failed!\n", __FILE__, __LINE__, #x); }
odtulumbedder 1:6d4265aa4184 10 #define DEBUG_MSG(x) printf("debugging: %s:%d %s\n", __FILE__, __LINE__, x);
odtulumbedder 1:6d4265aa4184 11 #else
odtulumbedder 1:6d4265aa4184 12 #define ASSERT(x)
odtulumbedder 1:6d4265aa4184 13 #define DEBUG_MSG(x)
odtulumbedder 1:6d4265aa4184 14 #endif
odtulumbedder 1:6d4265aa4184 15
odtulumbedder 0:6be57f391716 16 extern "C" {
odtulumbedder 0:6be57f391716 17
odtulumbedder 0:6be57f391716 18 static I2C *i2c_object = NULL;
odtulumbedder 0:6be57f391716 19
odtulumbedder 0:6be57f391716 20 int lt_i2c_init(int sda, int scl) {
odtulumbedder 1:6d4265aa4184 21 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 22 if (i2c_object == NULL) {
odtulumbedder 0:6be57f391716 23 i2c_object = new I2C((PinName) sda, (PinName) scl);
odtulumbedder 0:6be57f391716 24 return LT_I2C_INIT_FINE;
odtulumbedder 0:6be57f391716 25 }
odtulumbedder 0:6be57f391716 26 else {
odtulumbedder 0:6be57f391716 27 return LT_I2C_INIT_QUIT_FIRST;
odtulumbedder 0:6be57f391716 28 }
odtulumbedder 0:6be57f391716 29 }
odtulumbedder 0:6be57f391716 30
odtulumbedder 0:6be57f391716 31 int lt_i2c_quit() {
odtulumbedder 1:6d4265aa4184 32 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 33 delete i2c_object;
odtulumbedder 0:6be57f391716 34 return LT_I2C_SUCCESS;
odtulumbedder 0:6be57f391716 35 }
odtulumbedder 0:6be57f391716 36
odtulumbedder 0:6be57f391716 37 int lt_i2c_init_attach(void *p_i2c_object) {
odtulumbedder 1:6d4265aa4184 38 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 39 if (i2c_object == NULL) {
odtulumbedder 0:6be57f391716 40 i2c_object = (I2C *) p_i2c_object;
odtulumbedder 0:6be57f391716 41 return LT_I2C_INIT_FINE;
odtulumbedder 0:6be57f391716 42 }
odtulumbedder 0:6be57f391716 43 else {
odtulumbedder 0:6be57f391716 44 return LT_I2C_INIT_QUIT_FIRST;
odtulumbedder 0:6be57f391716 45 }
odtulumbedder 0:6be57f391716 46 }
odtulumbedder 0:6be57f391716 47
odtulumbedder 0:6be57f391716 48 void *lt_i2c_get_i2c_object() {
odtulumbedder 1:6d4265aa4184 49 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 50 return i2c_object;
odtulumbedder 0:6be57f391716 51 }
odtulumbedder 0:6be57f391716 52
odtulumbedder 0:6be57f391716 53 #define CHECK_OBJECT if (i2c_object == NULL) return LT_I2C_FAILURE;
odtulumbedder 0:6be57f391716 54
odtulumbedder 0:6be57f391716 55 int lt_i2c_start() {
odtulumbedder 1:6d4265aa4184 56 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 57 CHECK_OBJECT
odtulumbedder 0:6be57f391716 58 i2c_object->start();
odtulumbedder 0:6be57f391716 59 return LT_I2C_SUCCESS;
odtulumbedder 0:6be57f391716 60 }
odtulumbedder 0:6be57f391716 61
odtulumbedder 0:6be57f391716 62 int lt_i2c_stop() {
odtulumbedder 1:6d4265aa4184 63 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 64 CHECK_OBJECT
odtulumbedder 0:6be57f391716 65 i2c_object->stop();
odtulumbedder 0:6be57f391716 66 return LT_I2C_SUCCESS;
odtulumbedder 0:6be57f391716 67 }
odtulumbedder 0:6be57f391716 68
odtulumbedder 0:6be57f391716 69 uint8_t lt_i2c_write(uint8_t data) {
odtulumbedder 1:6d4265aa4184 70 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 71 CHECK_OBJECT
odtulumbedder 0:6be57f391716 72 return 1-i2c_object->write(data); // I wish casting will work fine
odtulumbedder 0:6be57f391716 73 // must return 0 if ACK was received (1- is due that)
odtulumbedder 0:6be57f391716 74 }
odtulumbedder 0:6be57f391716 75
odtulumbedder 0:6be57f391716 76 uint8_t lt_i2c_read(int8_t ack) {
odtulumbedder 1:6d4265aa4184 77 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 78 CHECK_OBJECT
odtulumbedder 0:6be57f391716 79 return (uint8_t) (i2c_object->read(1-ack)); // act is different in mbed
odtulumbedder 0:6be57f391716 80 }
odtulumbedder 0:6be57f391716 81
odtulumbedder 0:6be57f391716 82 int8_t lt_i2c_write_byte_data(
odtulumbedder 0:6be57f391716 83 uint8_t address,
odtulumbedder 0:6be57f391716 84 uint8_t command,
odtulumbedder 0:6be57f391716 85 uint8_t value) {
odtulumbedder 1:6d4265aa4184 86 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 87 CHECK_OBJECT
odtulumbedder 0:6be57f391716 88 int8_t ret = 0;
odtulumbedder 0:6be57f391716 89 if (lt_i2c_start()!=0) //I2C START
odtulumbedder 1:6d4265aa4184 90 {
odtulumbedder 1:6d4265aa4184 91 DEBUG_MSG("START FAIL")
odtulumbedder 0:6be57f391716 92 return(1); //Stop and return 0 if START fail
odtulumbedder 1:6d4265aa4184 93 }
odtulumbedder 0:6be57f391716 94 ret |= lt_i2c_write((address<<1)|LT_I2C_WRITE_BIT);
odtulumbedder 0:6be57f391716 95 // Write 7 bit address with W bit
odtulumbedder 0:6be57f391716 96 ret|= lt_i2c_write(command); // Set register to be read to command
odtulumbedder 0:6be57f391716 97 ret|= lt_i2c_write(value);
odtulumbedder 0:6be57f391716 98 lt_i2c_stop(); // I2C STOP
odtulumbedder 0:6be57f391716 99 if (ret!=0) //If there was a NAK return 1
odtulumbedder 1:6d4265aa4184 100 {
odtulumbedder 1:6d4265aa4184 101 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 102 return(1);
odtulumbedder 1:6d4265aa4184 103 }
odtulumbedder 1:6d4265aa4184 104 DEBUG_MSG("OK")
odtulumbedder 0:6be57f391716 105 return(0); // Return success
odtulumbedder 0:6be57f391716 106 }
odtulumbedder 0:6be57f391716 107
odtulumbedder 0:6be57f391716 108 int8_t lt_i2c_write_word_data(
odtulumbedder 0:6be57f391716 109 uint8_t address,
odtulumbedder 0:6be57f391716 110 uint8_t command,
odtulumbedder 0:6be57f391716 111 uint16_t value) {
odtulumbedder 1:6d4265aa4184 112 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 113 CHECK_OBJECT
odtulumbedder 0:6be57f391716 114 int8_t ret=0;
odtulumbedder 0:6be57f391716 115 union
odtulumbedder 0:6be57f391716 116 {
odtulumbedder 0:6be57f391716 117 uint8_t b[2];
odtulumbedder 0:6be57f391716 118 uint16_t w;
odtulumbedder 0:6be57f391716 119 } data;
odtulumbedder 0:6be57f391716 120 data.w = value;
odtulumbedder 0:6be57f391716 121 if (lt_i2c_start()!=0) //I2C START
odtulumbedder 1:6d4265aa4184 122 {
odtulumbedder 1:6d4265aa4184 123 DEBUG_MSG("START FAIL")
odtulumbedder 0:6be57f391716 124 return(1); //Stop and return 0 if START fail
odtulumbedder 1:6d4265aa4184 125 }
odtulumbedder 0:6be57f391716 126 ret |= lt_i2c_write((address<<1)|LT_I2C_WRITE_BIT);
odtulumbedder 0:6be57f391716 127 // Write 7 bit address with W bit
odtulumbedder 0:6be57f391716 128 ret|= lt_i2c_write(command); // Set register to be read to command
odtulumbedder 0:6be57f391716 129 ret|= lt_i2c_write(data.b[1]); //Write MSB
odtulumbedder 0:6be57f391716 130 ret|= lt_i2c_write(data.b[0]); //Write LSB;
odtulumbedder 0:6be57f391716 131 lt_i2c_stop(); // I2C STOP
odtulumbedder 0:6be57f391716 132 if (ret!=0) //If there was a NAK return 1
odtulumbedder 1:6d4265aa4184 133 {
odtulumbedder 1:6d4265aa4184 134 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 135 return(1);
odtulumbedder 1:6d4265aa4184 136 }
odtulumbedder 1:6d4265aa4184 137 DEBUG_MSG("OK")
odtulumbedder 0:6be57f391716 138 return(0);
odtulumbedder 0:6be57f391716 139 }
odtulumbedder 0:6be57f391716 140
odtulumbedder 0:6be57f391716 141 uint8_t lt_i2c_write_block_data(
odtulumbedder 0:6be57f391716 142 uint8_t address,
odtulumbedder 0:6be57f391716 143 uint8_t command,
odtulumbedder 0:6be57f391716 144 uint8_t length,
odtulumbedder 0:6be57f391716 145 uint8_t *values) {
odtulumbedder 1:6d4265aa4184 146 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 147 CHECK_OBJECT
odtulumbedder 0:6be57f391716 148 int8_t i = length-1;
odtulumbedder 0:6be57f391716 149 int8_t ret = 0;
odtulumbedder 0:6be57f391716 150 if (lt_i2c_start()!=0) //I2C START
odtulumbedder 0:6be57f391716 151 return(1); //Stop and return 0 if START fail
odtulumbedder 0:6be57f391716 152 ret |= lt_i2c_write((address<<1)|LT_I2C_WRITE_BIT);
odtulumbedder 0:6be57f391716 153 // Write 7 bit address with W bit
odtulumbedder 0:6be57f391716 154 ret|= lt_i2c_write(command); // Set register to be read to command
odtulumbedder 0:6be57f391716 155 while (i>=0)
odtulumbedder 0:6be57f391716 156 {
odtulumbedder 0:6be57f391716 157 ret|= lt_i2c_write(values[i]); //Write Value
odtulumbedder 0:6be57f391716 158 i--;
odtulumbedder 0:6be57f391716 159 }
odtulumbedder 0:6be57f391716 160 lt_i2c_stop(); // I2C STOP
odtulumbedder 0:6be57f391716 161 if (ret!=0)
odtulumbedder 1:6d4265aa4184 162 {
odtulumbedder 1:6d4265aa4184 163 DEBUG_MSG("ERROR")
odtulumbedder 0:6be57f391716 164 return(1);
odtulumbedder 1:6d4265aa4184 165 }
odtulumbedder 0:6be57f391716 166 else
odtulumbedder 1:6d4265aa4184 167 {
odtulumbedder 1:6d4265aa4184 168 DEBUG_MSG("OK")
odtulumbedder 0:6be57f391716 169 return(0); // Success!
odtulumbedder 1:6d4265aa4184 170 }
odtulumbedder 0:6be57f391716 171 }
odtulumbedder 0:6be57f391716 172
odtulumbedder 0:6be57f391716 173 uint8_t lt_i2c_read_byte_data(
odtulumbedder 0:6be57f391716 174 uint8_t address,
odtulumbedder 0:6be57f391716 175 uint8_t command,
odtulumbedder 0:6be57f391716 176 uint8_t *value) {
odtulumbedder 1:6d4265aa4184 177 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 178 CHECK_OBJECT
odtulumbedder 0:6be57f391716 179 int8_t ret = 0;
odtulumbedder 0:6be57f391716 180 if (lt_i2c_start() != 0) // I2C START
odtulumbedder 0:6be57f391716 181 {
odtulumbedder 1:6d4265aa4184 182 DEBUG_MSG("START FAIL")
odtulumbedder 0:6be57f391716 183 return (1); // Stop and return 0 if START fail
odtulumbedder 0:6be57f391716 184 }
odtulumbedder 0:6be57f391716 185 ret |= lt_i2c_write((address << 1) | LT_I2C_WRITE_BIT); // Write 7 bit address with W bit
odtulumbedder 0:6be57f391716 186 if (ret != 0) // If NACK return 1
odtulumbedder 0:6be57f391716 187 {
odtulumbedder 1:6d4265aa4184 188 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 189 lt_i2c_stop(); // I2C STOP
odtulumbedder 0:6be57f391716 190 return (1);
odtulumbedder 0:6be57f391716 191 }
odtulumbedder 0:6be57f391716 192 ret |= lt_i2c_write(command); // Set register to be read to command
odtulumbedder 0:6be57f391716 193 if (ret != 0) // If NACK return 1
odtulumbedder 0:6be57f391716 194 {
odtulumbedder 1:6d4265aa4184 195 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 196 lt_i2c_stop(); // I2C STOP
odtulumbedder 0:6be57f391716 197 return (1);
odtulumbedder 0:6be57f391716 198 }
odtulumbedder 0:6be57f391716 199 if (lt_i2c_start() != 0) // I2C repeated START
odtulumbedder 0:6be57f391716 200 {
odtulumbedder 1:6d4265aa4184 201 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 202 lt_i2c_stop(); // Attempt to issue I2C STOP
odtulumbedder 0:6be57f391716 203 return (1); // Stop and return 0 if START fail
odtulumbedder 0:6be57f391716 204 }
odtulumbedder 0:6be57f391716 205 ret |= lt_i2c_write((address << 1) | LT_I2C_READ_BIT); // Write 7 bit address with R bit
odtulumbedder 0:6be57f391716 206 *value = lt_i2c_read(LT_I2C_WITH_NACK); // Read byte from buffer with NAK
odtulumbedder 0:6be57f391716 207 lt_i2c_stop(); // I2C STOP
odtulumbedder 0:6be57f391716 208 if (ret != 0) // If there was a NACK return 1
odtulumbedder 0:6be57f391716 209 {
odtulumbedder 1:6d4265aa4184 210 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 211 return (1);
odtulumbedder 0:6be57f391716 212 }
odtulumbedder 1:6d4265aa4184 213 DEBUG_MSG("OK")
odtulumbedder 0:6be57f391716 214 return (0); // Return success
odtulumbedder 0:6be57f391716 215 }
odtulumbedder 0:6be57f391716 216
odtulumbedder 0:6be57f391716 217 uint8_t lt_i2c_read_word_data(
odtulumbedder 0:6be57f391716 218 uint8_t address,
odtulumbedder 0:6be57f391716 219 uint8_t command,
odtulumbedder 0:6be57f391716 220 uint16_t *value) {
odtulumbedder 1:6d4265aa4184 221 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 222 CHECK_OBJECT
odtulumbedder 0:6be57f391716 223 int8_t ret = 0;
odtulumbedder 0:6be57f391716 224 union {
odtulumbedder 0:6be57f391716 225 uint8_t b[2];
odtulumbedder 0:6be57f391716 226 uint16_t w;
odtulumbedder 0:6be57f391716 227 } data;
odtulumbedder 0:6be57f391716 228 if (lt_i2c_start() != 0) //I2C START
odtulumbedder 1:6d4265aa4184 229 {
odtulumbedder 1:6d4265aa4184 230 DEBUG_MSG("START FAIL")
odtulumbedder 0:6be57f391716 231 return (1); //Stop and return 0 if START fail
odtulumbedder 1:6d4265aa4184 232 }
odtulumbedder 0:6be57f391716 233 ret |= lt_i2c_write((address << 1) | LT_I2C_WRITE_BIT); // Write 7 bit address with W bit
odtulumbedder 0:6be57f391716 234 if (ret != 0) //If NACK return 1
odtulumbedder 0:6be57f391716 235 {
odtulumbedder 1:6d4265aa4184 236 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 237 lt_i2c_stop(); //I2C STOP
odtulumbedder 0:6be57f391716 238 return (1);
odtulumbedder 0:6be57f391716 239 }
odtulumbedder 0:6be57f391716 240 ret |= lt_i2c_write(command); // Set register to be read to command
odtulumbedder 0:6be57f391716 241 if (ret != 0) //If NACK return 1
odtulumbedder 0:6be57f391716 242 {
odtulumbedder 1:6d4265aa4184 243 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 244 lt_i2c_stop(); //I2C STOP
odtulumbedder 0:6be57f391716 245 return (1);
odtulumbedder 0:6be57f391716 246 }
odtulumbedder 0:6be57f391716 247 if (lt_i2c_start() != 0) //I2C START
odtulumbedder 0:6be57f391716 248 {
odtulumbedder 1:6d4265aa4184 249 DEBUG_MSG("START FAIL")
odtulumbedder 0:6be57f391716 250 lt_i2c_stop(); //Attempt to issue I2C STOP
odtulumbedder 0:6be57f391716 251 return (1); //Stop and return 0 if START fail
odtulumbedder 0:6be57f391716 252 }
odtulumbedder 0:6be57f391716 253 ret |= lt_i2c_write((address << 1) | LT_I2C_READ_BIT); // Write 7 bit address with R bit
odtulumbedder 0:6be57f391716 254 data.b[1] = lt_i2c_read(LT_I2C_WITH_ACK); // Read MSB from buffer
odtulumbedder 0:6be57f391716 255 data.b[0] = lt_i2c_read(LT_I2C_WITH_NACK); // Read LSB from buffer
odtulumbedder 0:6be57f391716 256 lt_i2c_stop(); //I2C STOP
odtulumbedder 0:6be57f391716 257 *value = data.w;
odtulumbedder 0:6be57f391716 258 if (ret != 0) //If NAK
odtulumbedder 1:6d4265aa4184 259 {
odtulumbedder 1:6d4265aa4184 260 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 261 return (1); //return 1
odtulumbedder 1:6d4265aa4184 262 }
odtulumbedder 1:6d4265aa4184 263 DEBUG_MSG("OK")
odtulumbedder 0:6be57f391716 264 return (0); // Return success
odtulumbedder 0:6be57f391716 265 }
odtulumbedder 0:6be57f391716 266
odtulumbedder 0:6be57f391716 267 uint8_t lt_i2c_read_block_data(
odtulumbedder 0:6be57f391716 268 uint8_t address,
odtulumbedder 0:6be57f391716 269 uint8_t command,
odtulumbedder 0:6be57f391716 270 uint8_t length,
odtulumbedder 0:6be57f391716 271 uint8_t *values) {
odtulumbedder 1:6d4265aa4184 272 DEBUG_MSG(__PRETTY_FUNCTION__)
odtulumbedder 0:6be57f391716 273 CHECK_OBJECT
odtulumbedder 0:6be57f391716 274 uint8_t i = (length - 1);
odtulumbedder 0:6be57f391716 275 int8_t ret = 0;
odtulumbedder 0:6be57f391716 276 if (lt_i2c_start() != 0) //I2C START
odtulumbedder 1:6d4265aa4184 277 {
odtulumbedder 1:6d4265aa4184 278 DEBUG_MSG("START FAIL")
odtulumbedder 0:6be57f391716 279 return (1); //Stop and return 0 if START fail
odtulumbedder 1:6d4265aa4184 280 }
odtulumbedder 0:6be57f391716 281 ret |= lt_i2c_write((address << 1) | LT_I2C_WRITE_BIT); //Write 7-bit address with W bit
odtulumbedder 0:6be57f391716 282 if (ret != 0) //If NACK return 1
odtulumbedder 0:6be57f391716 283 {
odtulumbedder 1:6d4265aa4184 284 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 285 lt_i2c_stop(); //I2C STOP
odtulumbedder 0:6be57f391716 286 return (1);
odtulumbedder 0:6be57f391716 287 }
odtulumbedder 0:6be57f391716 288 ret |= lt_i2c_write(command); //Write 8 bit command word
odtulumbedder 0:6be57f391716 289 if (ret != 0) //If NACK return 1
odtulumbedder 0:6be57f391716 290 {
odtulumbedder 1:6d4265aa4184 291 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 292 lt_i2c_stop(); //I2C STOP
odtulumbedder 0:6be57f391716 293 return (1);
odtulumbedder 0:6be57f391716 294 }
odtulumbedder 0:6be57f391716 295 if (lt_i2c_start() != 0) //I2C repeated START
odtulumbedder 0:6be57f391716 296 {
odtulumbedder 1:6d4265aa4184 297 DEBUG_MSG("START FAIL")
odtulumbedder 0:6be57f391716 298 lt_i2c_stop(); //Attempt to issue I2C STOP
odtulumbedder 0:6be57f391716 299 return (1); //Stop and return 0 if START fail
odtulumbedder 0:6be57f391716 300 }
odtulumbedder 0:6be57f391716 301 ret |= lt_i2c_write((address << 1) | LT_I2C_READ_BIT); //Write 7-bit address with R bit
odtulumbedder 0:6be57f391716 302 if (ret != 0) //If NACK return 1
odtulumbedder 0:6be57f391716 303 {
odtulumbedder 1:6d4265aa4184 304 DEBUG_MSG("NACK")
odtulumbedder 0:6be57f391716 305 lt_i2c_stop(); //I2C STOP
odtulumbedder 0:6be57f391716 306 return (1);
odtulumbedder 0:6be57f391716 307 }
odtulumbedder 0:6be57f391716 308 while (i > 0) //Begin read loop
odtulumbedder 0:6be57f391716 309 {
odtulumbedder 0:6be57f391716 310 values[i] = lt_i2c_read(LT_I2C_WITH_ACK); //Read from bus with ACK
odtulumbedder 0:6be57f391716 311 i--;
odtulumbedder 0:6be57f391716 312 }
odtulumbedder 0:6be57f391716 313 values[0] = lt_i2c_read(LT_I2C_WITH_NACK); //Read from bus with NACK for the last one;
odtulumbedder 0:6be57f391716 314 lt_i2c_stop(); //I2C STOP
odtulumbedder 1:6d4265aa4184 315 DEBUG_MSG("OK")
odtulumbedder 0:6be57f391716 316 return (0); // Success!
odtulumbedder 0:6be57f391716 317 }
odtulumbedder 0:6be57f391716 318
odtulumbedder 0:6be57f391716 319 }