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Fork of MPU6050 by
I2Cdev.cpp@0:662207e34fba, 2013-01-11 (annotated)
- Committer:
- garfieldsg
- Date:
- Fri Jan 11 00:54:28 2013 +0000
- Revision:
- 0:662207e34fba
- Child:
- 1:1e0baaf91e96
- Child:
- 2:52305bcb5cda
first beta release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
garfieldsg | 0:662207e34fba | 1 | // ported from arduino library: https://github.com/jrowberg/i2cdevlib |
garfieldsg | 0:662207e34fba | 2 | // written by szymon gaertig (email: szymon@gaertig.com.pl, website: szymongaertig.pl) |
garfieldsg | 0:662207e34fba | 3 | // Changelog: |
garfieldsg | 0:662207e34fba | 4 | // 2013-01-08 - first release |
garfieldsg | 0:662207e34fba | 5 | |
garfieldsg | 0:662207e34fba | 6 | #include "I2Cdev.h" |
garfieldsg | 0:662207e34fba | 7 | |
garfieldsg | 0:662207e34fba | 8 | #define useDebugSerial |
garfieldsg | 0:662207e34fba | 9 | |
garfieldsg | 0:662207e34fba | 10 | I2Cdev::I2Cdev(): debugSerial(USBTX, USBRX), i2c(I2C_SDA,I2C_SCL) |
garfieldsg | 0:662207e34fba | 11 | { |
garfieldsg | 0:662207e34fba | 12 | |
garfieldsg | 0:662207e34fba | 13 | } |
garfieldsg | 0:662207e34fba | 14 | |
garfieldsg | 0:662207e34fba | 15 | I2Cdev::I2Cdev(PinName i2cSda, PinName i2cScl): debugSerial(USBTX, USBRX), i2c(i2cSda,i2cScl) |
garfieldsg | 0:662207e34fba | 16 | { |
garfieldsg | 0:662207e34fba | 17 | |
garfieldsg | 0:662207e34fba | 18 | } |
garfieldsg | 0:662207e34fba | 19 | |
garfieldsg | 0:662207e34fba | 20 | /** Read a single bit from an 8-bit device register. |
garfieldsg | 0:662207e34fba | 21 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 22 | * @param regAddr Register regAddr to read from |
garfieldsg | 0:662207e34fba | 23 | * @param bitNum Bit position to read (0-7) |
garfieldsg | 0:662207e34fba | 24 | * @param data Container for single bit value |
garfieldsg | 0:662207e34fba | 25 | * @param timeout Optional read timeout in milliseconds (0 to disable, leave off to use default class value in I2Cdev::readTimeout) |
garfieldsg | 0:662207e34fba | 26 | * @return Status of read operation (true = success) |
garfieldsg | 0:662207e34fba | 27 | */ |
garfieldsg | 0:662207e34fba | 28 | int8_t I2Cdev::readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t *data, uint16_t timeout) { |
garfieldsg | 0:662207e34fba | 29 | uint8_t b; |
garfieldsg | 0:662207e34fba | 30 | uint8_t count = readByte(devAddr, regAddr, &b, timeout); |
garfieldsg | 0:662207e34fba | 31 | *data = b & (1 << bitNum); |
garfieldsg | 0:662207e34fba | 32 | return count; |
garfieldsg | 0:662207e34fba | 33 | } |
garfieldsg | 0:662207e34fba | 34 | |
garfieldsg | 0:662207e34fba | 35 | /** Read a single bit from a 16-bit device register. |
garfieldsg | 0:662207e34fba | 36 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 37 | * @param regAddr Register regAddr to read from |
garfieldsg | 0:662207e34fba | 38 | * @param bitNum Bit position to read (0-15) |
garfieldsg | 0:662207e34fba | 39 | * @param data Container for single bit value |
garfieldsg | 0:662207e34fba | 40 | * @param timeout Optional read timeout in milliseconds (0 to disable, leave off to use default class value in I2Cdev::readTimeout) |
garfieldsg | 0:662207e34fba | 41 | * @return Status of read operation (true = success) |
garfieldsg | 0:662207e34fba | 42 | */ |
garfieldsg | 0:662207e34fba | 43 | int8_t I2Cdev::readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout) { |
garfieldsg | 0:662207e34fba | 44 | uint16_t b; |
garfieldsg | 0:662207e34fba | 45 | uint8_t count = readWord(devAddr, regAddr, &b, timeout); |
garfieldsg | 0:662207e34fba | 46 | *data = b & (1 << bitNum); |
garfieldsg | 0:662207e34fba | 47 | return count; |
garfieldsg | 0:662207e34fba | 48 | } |
garfieldsg | 0:662207e34fba | 49 | |
garfieldsg | 0:662207e34fba | 50 | /** Read multiple bits from an 8-bit device register. |
garfieldsg | 0:662207e34fba | 51 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 52 | * @param regAddr Register regAddr to read from |
garfieldsg | 0:662207e34fba | 53 | * @param bitStart First bit position to read (0-7) |
garfieldsg | 0:662207e34fba | 54 | * @param length Number of bits to read (not more than 8) |
garfieldsg | 0:662207e34fba | 55 | * @param data Container for right-aligned value (i.e. '101' read from any bitStart position will equal 0x05) |
garfieldsg | 0:662207e34fba | 56 | * @param timeout Optional read timeout in milliseconds (0 to disable, leave off to use default class value in I2Cdev::readTimeout) |
garfieldsg | 0:662207e34fba | 57 | * @return Status of read operation (true = success) |
garfieldsg | 0:662207e34fba | 58 | */ |
garfieldsg | 0:662207e34fba | 59 | int8_t I2Cdev::readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t *data, uint16_t timeout) { |
garfieldsg | 0:662207e34fba | 60 | // 01101001 read byte |
garfieldsg | 0:662207e34fba | 61 | // 76543210 bit numbers |
garfieldsg | 0:662207e34fba | 62 | // xxx args: bitStart=4, length=3 |
garfieldsg | 0:662207e34fba | 63 | // 010 masked |
garfieldsg | 0:662207e34fba | 64 | // -> 010 shifted |
garfieldsg | 0:662207e34fba | 65 | uint8_t count, b; |
garfieldsg | 0:662207e34fba | 66 | if ((count = readByte(devAddr, regAddr, &b, timeout)) != 0) { |
garfieldsg | 0:662207e34fba | 67 | uint8_t mask = ((1 << length) - 1) << (bitStart - length + 1); |
garfieldsg | 0:662207e34fba | 68 | b &= mask; |
garfieldsg | 0:662207e34fba | 69 | b >>= (bitStart - length + 1); |
garfieldsg | 0:662207e34fba | 70 | *data = b; |
garfieldsg | 0:662207e34fba | 71 | } |
garfieldsg | 0:662207e34fba | 72 | return count; |
garfieldsg | 0:662207e34fba | 73 | } |
garfieldsg | 0:662207e34fba | 74 | |
garfieldsg | 0:662207e34fba | 75 | /** Read multiple bits from a 16-bit device register. |
garfieldsg | 0:662207e34fba | 76 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 77 | * @param regAddr Register regAddr to read from |
garfieldsg | 0:662207e34fba | 78 | * @param bitStart First bit position to read (0-15) |
garfieldsg | 0:662207e34fba | 79 | * @param length Number of bits to read (not more than 16) |
garfieldsg | 0:662207e34fba | 80 | * @param data Container for right-aligned value (i.e. '101' read from any bitStart position will equal 0x05) |
garfieldsg | 0:662207e34fba | 81 | * @param timeout Optional read timeout in milliseconds (0 to disable, leave off to use default class value in I2Cdev::readTimeout) |
garfieldsg | 0:662207e34fba | 82 | * @return Status of read operation (1 = success, 0 = failure, -1 = timeout) |
garfieldsg | 0:662207e34fba | 83 | */ |
garfieldsg | 0:662207e34fba | 84 | int8_t I2Cdev::readBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data, uint16_t timeout) { |
garfieldsg | 0:662207e34fba | 85 | // 1101011001101001 read byte |
garfieldsg | 0:662207e34fba | 86 | // fedcba9876543210 bit numbers |
garfieldsg | 0:662207e34fba | 87 | // xxx args: bitStart=12, length=3 |
garfieldsg | 0:662207e34fba | 88 | // 010 masked |
garfieldsg | 0:662207e34fba | 89 | // -> 010 shifted |
garfieldsg | 0:662207e34fba | 90 | uint8_t count; |
garfieldsg | 0:662207e34fba | 91 | uint16_t w; |
garfieldsg | 0:662207e34fba | 92 | if ((count = readWord(devAddr, regAddr, &w, timeout)) != 0) { |
garfieldsg | 0:662207e34fba | 93 | uint16_t mask = ((1 << length) - 1) << (bitStart - length + 1); |
garfieldsg | 0:662207e34fba | 94 | w &= mask; |
garfieldsg | 0:662207e34fba | 95 | w >>= (bitStart - length + 1); |
garfieldsg | 0:662207e34fba | 96 | *data = w; |
garfieldsg | 0:662207e34fba | 97 | } |
garfieldsg | 0:662207e34fba | 98 | return count; |
garfieldsg | 0:662207e34fba | 99 | } |
garfieldsg | 0:662207e34fba | 100 | /** Read single byte from an 8-bit device register. |
garfieldsg | 0:662207e34fba | 101 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 102 | * @param regAddr Register regAddr to read from |
garfieldsg | 0:662207e34fba | 103 | * @param data Container for byte value read from device |
garfieldsg | 0:662207e34fba | 104 | * @param timeout Optional read timeout in milliseconds (0 to disable, leave off to use default class value in I2Cdev::readTimeout) |
garfieldsg | 0:662207e34fba | 105 | * @return Status of read operation (true = success) |
garfieldsg | 0:662207e34fba | 106 | */ |
garfieldsg | 0:662207e34fba | 107 | int8_t I2Cdev::readByte(uint8_t devAddr, uint8_t regAddr, uint8_t *data, uint16_t timeout) { |
garfieldsg | 0:662207e34fba | 108 | return readBytes(devAddr, regAddr, 1, data, timeout); |
garfieldsg | 0:662207e34fba | 109 | } |
garfieldsg | 0:662207e34fba | 110 | |
garfieldsg | 0:662207e34fba | 111 | /** Read single word from a 16-bit device register. |
garfieldsg | 0:662207e34fba | 112 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 113 | * @param regAddr Register regAddr to read from |
garfieldsg | 0:662207e34fba | 114 | * @param data Container for word value read from device |
garfieldsg | 0:662207e34fba | 115 | * @param timeout Optional read timeout in milliseconds (0 to disable, leave off to use default class value in I2Cdev::readTimeout) |
garfieldsg | 0:662207e34fba | 116 | * @return Status of read operation (true = success) |
garfieldsg | 0:662207e34fba | 117 | */ |
garfieldsg | 0:662207e34fba | 118 | int8_t I2Cdev::readWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout) { |
garfieldsg | 0:662207e34fba | 119 | return readWords(devAddr, regAddr, 1, data, timeout); |
garfieldsg | 0:662207e34fba | 120 | } |
garfieldsg | 0:662207e34fba | 121 | |
garfieldsg | 0:662207e34fba | 122 | /** Read multiple bytes from an 8-bit device register. |
garfieldsg | 0:662207e34fba | 123 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 124 | * @param regAddr First register regAddr to read from |
garfieldsg | 0:662207e34fba | 125 | * @param length Number of bytes to read |
garfieldsg | 0:662207e34fba | 126 | * @param data Buffer to store read data in |
garfieldsg | 0:662207e34fba | 127 | * @param timeout Optional read timeout in milliseconds (0 to disable, leave off to use default class value in I2Cdev::readTimeout) |
garfieldsg | 0:662207e34fba | 128 | * @return Number of bytes read (-1 indicates failure) |
garfieldsg | 0:662207e34fba | 129 | */ |
garfieldsg | 0:662207e34fba | 130 | int8_t I2Cdev::readBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data, uint16_t timeout) |
garfieldsg | 0:662207e34fba | 131 | { |
garfieldsg | 0:662207e34fba | 132 | char command[1]; |
garfieldsg | 0:662207e34fba | 133 | command[0] = regAddr; |
garfieldsg | 0:662207e34fba | 134 | char *redData = (char*)malloc(length); |
garfieldsg | 0:662207e34fba | 135 | i2c.write(devAddr<<1, command, 1, true); |
garfieldsg | 0:662207e34fba | 136 | i2c.read(devAddr<<1, redData, length); |
garfieldsg | 0:662207e34fba | 137 | for(int i =0; i < length; i++) { |
garfieldsg | 0:662207e34fba | 138 | data[i] = redData[i]; |
garfieldsg | 0:662207e34fba | 139 | } |
garfieldsg | 0:662207e34fba | 140 | return length; |
garfieldsg | 0:662207e34fba | 141 | } |
garfieldsg | 0:662207e34fba | 142 | |
garfieldsg | 0:662207e34fba | 143 | int8_t I2Cdev::readWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data, uint16_t timeout) |
garfieldsg | 0:662207e34fba | 144 | { |
garfieldsg | 0:662207e34fba | 145 | return 0; |
garfieldsg | 0:662207e34fba | 146 | } |
garfieldsg | 0:662207e34fba | 147 | |
garfieldsg | 0:662207e34fba | 148 | /** write a single bit in an 8-bit device register. |
garfieldsg | 0:662207e34fba | 149 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 150 | * @param regAddr Register regAddr to write to |
garfieldsg | 0:662207e34fba | 151 | * @param bitNum Bit position to write (0-7) |
garfieldsg | 0:662207e34fba | 152 | * @param value New bit value to write |
garfieldsg | 0:662207e34fba | 153 | * @return Status of operation (true = success) |
garfieldsg | 0:662207e34fba | 154 | */ |
garfieldsg | 0:662207e34fba | 155 | bool I2Cdev::writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data) { |
garfieldsg | 0:662207e34fba | 156 | uint8_t b; |
garfieldsg | 0:662207e34fba | 157 | readByte(devAddr, regAddr, &b); |
garfieldsg | 0:662207e34fba | 158 | b = (data != 0) ? (b | (1 << bitNum)) : (b & ~(1 << bitNum)); |
garfieldsg | 0:662207e34fba | 159 | return writeByte(devAddr, regAddr, b); |
garfieldsg | 0:662207e34fba | 160 | } |
garfieldsg | 0:662207e34fba | 161 | |
garfieldsg | 0:662207e34fba | 162 | /** write a single bit in a 16-bit device register. |
garfieldsg | 0:662207e34fba | 163 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 164 | * @param regAddr Register regAddr to write to |
garfieldsg | 0:662207e34fba | 165 | * @param bitNum Bit position to write (0-15) |
garfieldsg | 0:662207e34fba | 166 | * @param value New bit value to write |
garfieldsg | 0:662207e34fba | 167 | * @return Status of operation (true = success) |
garfieldsg | 0:662207e34fba | 168 | */ |
garfieldsg | 0:662207e34fba | 169 | bool I2Cdev::writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data) { |
garfieldsg | 0:662207e34fba | 170 | uint16_t w; |
garfieldsg | 0:662207e34fba | 171 | readWord(devAddr, regAddr, &w); |
garfieldsg | 0:662207e34fba | 172 | w = (data != 0) ? (w | (1 << bitNum)) : (w & ~(1 << bitNum)); |
garfieldsg | 0:662207e34fba | 173 | return writeWord(devAddr, regAddr, w); |
garfieldsg | 0:662207e34fba | 174 | } |
garfieldsg | 0:662207e34fba | 175 | |
garfieldsg | 0:662207e34fba | 176 | /** Write multiple bits in an 8-bit device register. |
garfieldsg | 0:662207e34fba | 177 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 178 | * @param regAddr Register regAddr to write to |
garfieldsg | 0:662207e34fba | 179 | * @param bitStart First bit position to write (0-7) |
garfieldsg | 0:662207e34fba | 180 | * @param length Number of bits to write (not more than 8) |
garfieldsg | 0:662207e34fba | 181 | * @param data Right-aligned value to write |
garfieldsg | 0:662207e34fba | 182 | * @return Status of operation (true = success) |
garfieldsg | 0:662207e34fba | 183 | */ |
garfieldsg | 0:662207e34fba | 184 | bool I2Cdev::writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t data) { |
garfieldsg | 0:662207e34fba | 185 | // 010 value to write |
garfieldsg | 0:662207e34fba | 186 | // 76543210 bit numbers |
garfieldsg | 0:662207e34fba | 187 | // xxx args: bitStart=4, length=3 |
garfieldsg | 0:662207e34fba | 188 | // 00011100 mask byte |
garfieldsg | 0:662207e34fba | 189 | // 10101111 original value (sample) |
garfieldsg | 0:662207e34fba | 190 | // 10100011 original & ~mask |
garfieldsg | 0:662207e34fba | 191 | // 10101011 masked | value |
garfieldsg | 0:662207e34fba | 192 | uint8_t b; |
garfieldsg | 0:662207e34fba | 193 | if (readByte(devAddr, regAddr, &b) != 0) { |
garfieldsg | 0:662207e34fba | 194 | uint8_t mask = ((1 << length) - 1) << (bitStart - length + 1); |
garfieldsg | 0:662207e34fba | 195 | data <<= (bitStart - length + 1); // shift data into correct position |
garfieldsg | 0:662207e34fba | 196 | data &= mask; // zero all non-important bits in data |
garfieldsg | 0:662207e34fba | 197 | b &= ~(mask); // zero all important bits in existing byte |
garfieldsg | 0:662207e34fba | 198 | b |= data; // combine data with existing byte |
garfieldsg | 0:662207e34fba | 199 | return writeByte(devAddr, regAddr, b); |
garfieldsg | 0:662207e34fba | 200 | } else { |
garfieldsg | 0:662207e34fba | 201 | return false; |
garfieldsg | 0:662207e34fba | 202 | } |
garfieldsg | 0:662207e34fba | 203 | } |
garfieldsg | 0:662207e34fba | 204 | |
garfieldsg | 0:662207e34fba | 205 | /** Write multiple bits in a 16-bit device register. |
garfieldsg | 0:662207e34fba | 206 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 207 | * @param regAddr Register regAddr to write to |
garfieldsg | 0:662207e34fba | 208 | * @param bitStart First bit position to write (0-15) |
garfieldsg | 0:662207e34fba | 209 | * @param length Number of bits to write (not more than 16) |
garfieldsg | 0:662207e34fba | 210 | * @param data Right-aligned value to write |
garfieldsg | 0:662207e34fba | 211 | * @return Status of operation (true = success) |
garfieldsg | 0:662207e34fba | 212 | */ |
garfieldsg | 0:662207e34fba | 213 | bool I2Cdev::writeBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data) { |
garfieldsg | 0:662207e34fba | 214 | // 010 value to write |
garfieldsg | 0:662207e34fba | 215 | // fedcba9876543210 bit numbers |
garfieldsg | 0:662207e34fba | 216 | // xxx args: bitStart=12, length=3 |
garfieldsg | 0:662207e34fba | 217 | // 0001110000000000 mask byte |
garfieldsg | 0:662207e34fba | 218 | // 1010111110010110 original value (sample) |
garfieldsg | 0:662207e34fba | 219 | // 1010001110010110 original & ~mask |
garfieldsg | 0:662207e34fba | 220 | // 1010101110010110 masked | value |
garfieldsg | 0:662207e34fba | 221 | uint16_t w; |
garfieldsg | 0:662207e34fba | 222 | if (readWord(devAddr, regAddr, &w) != 0) { |
garfieldsg | 0:662207e34fba | 223 | uint8_t mask = ((1 << length) - 1) << (bitStart - length + 1); |
garfieldsg | 0:662207e34fba | 224 | data <<= (bitStart - length + 1); // shift data into correct position |
garfieldsg | 0:662207e34fba | 225 | data &= mask; // zero all non-important bits in data |
garfieldsg | 0:662207e34fba | 226 | w &= ~(mask); // zero all important bits in existing word |
garfieldsg | 0:662207e34fba | 227 | w |= data; // combine data with existing word |
garfieldsg | 0:662207e34fba | 228 | return writeWord(devAddr, regAddr, w); |
garfieldsg | 0:662207e34fba | 229 | } else { |
garfieldsg | 0:662207e34fba | 230 | return false; |
garfieldsg | 0:662207e34fba | 231 | } |
garfieldsg | 0:662207e34fba | 232 | } |
garfieldsg | 0:662207e34fba | 233 | |
garfieldsg | 0:662207e34fba | 234 | /** Write single byte to an 8-bit device register. |
garfieldsg | 0:662207e34fba | 235 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 236 | * @param regAddr Register address to write to |
garfieldsg | 0:662207e34fba | 237 | * @param data New byte value to write |
garfieldsg | 0:662207e34fba | 238 | * @return Status of operation (true = success) |
garfieldsg | 0:662207e34fba | 239 | */ |
garfieldsg | 0:662207e34fba | 240 | bool I2Cdev::writeByte(uint8_t devAddr, uint8_t regAddr, uint8_t data) { |
garfieldsg | 0:662207e34fba | 241 | return writeBytes(devAddr, regAddr, 1, &data); |
garfieldsg | 0:662207e34fba | 242 | } |
garfieldsg | 0:662207e34fba | 243 | |
garfieldsg | 0:662207e34fba | 244 | /** Write single word to a 16-bit device register. |
garfieldsg | 0:662207e34fba | 245 | * @param devAddr I2C slave device address |
garfieldsg | 0:662207e34fba | 246 | * @param regAddr Register address to write to |
garfieldsg | 0:662207e34fba | 247 | * @param data New word value to write |
garfieldsg | 0:662207e34fba | 248 | * @return Status of operation (true = success) |
garfieldsg | 0:662207e34fba | 249 | */ |
garfieldsg | 0:662207e34fba | 250 | bool I2Cdev::writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t data) { |
garfieldsg | 0:662207e34fba | 251 | return writeWords(devAddr, regAddr, 1, &data); |
garfieldsg | 0:662207e34fba | 252 | } |
garfieldsg | 0:662207e34fba | 253 | |
garfieldsg | 0:662207e34fba | 254 | bool I2Cdev::writeBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data) |
garfieldsg | 0:662207e34fba | 255 | { |
garfieldsg | 0:662207e34fba | 256 | i2c.start(); |
garfieldsg | 0:662207e34fba | 257 | i2c.write(devAddr<<1); |
garfieldsg | 0:662207e34fba | 258 | i2c.write(regAddr); |
garfieldsg | 0:662207e34fba | 259 | for(int i = 0; i < length; i++) { |
garfieldsg | 0:662207e34fba | 260 | i2c.write(data[i]); |
garfieldsg | 0:662207e34fba | 261 | } |
garfieldsg | 0:662207e34fba | 262 | i2c.stop(); |
garfieldsg | 0:662207e34fba | 263 | return true; |
garfieldsg | 0:662207e34fba | 264 | } |
garfieldsg | 0:662207e34fba | 265 | |
garfieldsg | 0:662207e34fba | 266 | bool I2Cdev::writeWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data) |
garfieldsg | 0:662207e34fba | 267 | { |
garfieldsg | 0:662207e34fba | 268 | return true; |
garfieldsg | 0:662207e34fba | 269 | } |
garfieldsg | 0:662207e34fba | 270 | |
garfieldsg | 0:662207e34fba | 271 | uint16_t I2Cdev::readTimeout(void) |
garfieldsg | 0:662207e34fba | 272 | { |
garfieldsg | 0:662207e34fba | 273 | return 0; |
garfieldsg | 0:662207e34fba | 274 | } |