Peter Drescher / mbed-F401

mbed library with additional peripherals for ST F401 board

Fork of mbed-src by mbed official

This mbed LIB has additional peripherals for ST F401 board

  • UART2 : PA_3 rx, PA_2 tx
  • UART3 : PC_7 rx, PC_6 tx
  • I2C2 : PB_3 SDA, PB_10 SCL
  • I2C3 : PB_4 SDA, PA_8 SCL

targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/i2c_api.c@58:3b55b7a41411, 2013-12-13 (annotated)

Committer:
mbed_official
Date:
Fri Dec 13 09:30:05 2013 +0000
Revision:
58:3b55b7a41411
Parent:
57:c7e83bc5e387
Child:
70:c1fbde68b492
Synchronized with git revision da605b82a5ca02e18b987f366969d615bec94035



Full URL: https://github.com/mbedmicro/mbed/commit/da605b82a5ca02e18b987f366969d615bec94035/



[NUCLEO_F103RB] Update PWM IOs used + I2C cleanup

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 56:99eb381a3269 1 /* mbed Microcontroller Library
mbed_official 56:99eb381a3269 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 56:99eb381a3269 3 *
mbed_official 56:99eb381a3269 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 56:99eb381a3269 5 * you may not use this file except in compliance with the License.
mbed_official 56:99eb381a3269 6 * You may obtain a copy of the License at
mbed_official 56:99eb381a3269 7 *
mbed_official 56:99eb381a3269 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 56:99eb381a3269 9 *
mbed_official 56:99eb381a3269 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 56:99eb381a3269 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 56:99eb381a3269 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 56:99eb381a3269 13 * See the License for the specific language governing permissions and
mbed_official 56:99eb381a3269 14 * limitations under the License.
mbed_official 56:99eb381a3269 15 */
mbed_official 56:99eb381a3269 16 #include "i2c_api.h"
mbed_official 56:99eb381a3269 17
mbed_official 56:99eb381a3269 18 #if DEVICE_I2C
mbed_official 56:99eb381a3269 19
mbed_official 56:99eb381a3269 20 #include "cmsis.h"
mbed_official 56:99eb381a3269 21 #include "pinmap.h"
mbed_official 56:99eb381a3269 22 #include "error.h"
mbed_official 56:99eb381a3269 23
mbed_official 56:99eb381a3269 24 /* Timeout values for flags and events waiting loops. These timeouts are
mbed_official 56:99eb381a3269 25 not based on accurate values, they just guarantee that the application will
mbed_official 56:99eb381a3269 26 not remain stuck if the I2C communication is corrupted. */
mbed_official 56:99eb381a3269 27 #define FLAG_TIMEOUT ((int)0x1000)
mbed_official 56:99eb381a3269 28 #define LONG_TIMEOUT ((int)0x8000)
mbed_official 56:99eb381a3269 29
mbed_official 56:99eb381a3269 30 static const PinMap PinMap_I2C_SDA[] = {
mbed_official 58:3b55b7a41411 31 {PB_9, I2C_1, STM_PIN_DATA(GPIO_Mode_AF_OD, 8)}, // GPIO_Remap_I2C1
mbed_official 56:99eb381a3269 32 {NC, NC, 0}
mbed_official 56:99eb381a3269 33 };
mbed_official 56:99eb381a3269 34
mbed_official 56:99eb381a3269 35 static const PinMap PinMap_I2C_SCL[] = {
mbed_official 58:3b55b7a41411 36 {PB_8, I2C_1, STM_PIN_DATA(GPIO_Mode_AF_OD, 8)}, // GPIO_Remap_I2C1
mbed_official 56:99eb381a3269 37 {NC, NC, 0}
mbed_official 56:99eb381a3269 38 };
mbed_official 56:99eb381a3269 39
mbed_official 56:99eb381a3269 40 void i2c_init(i2c_t *obj, PinName sda, PinName scl) {
mbed_official 56:99eb381a3269 41 // Determine the I2C to use
mbed_official 56:99eb381a3269 42 I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA);
mbed_official 56:99eb381a3269 43 I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL);
mbed_official 56:99eb381a3269 44
mbed_official 56:99eb381a3269 45 obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl);
mbed_official 56:99eb381a3269 46
mbed_official 56:99eb381a3269 47 if (obj->i2c == (I2CName)NC) {
mbed_official 56:99eb381a3269 48 error("I2C pin mapping failed");
mbed_official 56:99eb381a3269 49 }
mbed_official 56:99eb381a3269 50
mbed_official 56:99eb381a3269 51 // Enable I2C clock
mbed_official 56:99eb381a3269 52 if (obj->i2c == I2C_1) {
mbed_official 56:99eb381a3269 53 RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
mbed_official 56:99eb381a3269 54 }
mbed_official 56:99eb381a3269 55 if (obj->i2c == I2C_2) {
mbed_official 56:99eb381a3269 56 RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE);
mbed_official 56:99eb381a3269 57 }
mbed_official 56:99eb381a3269 58
mbed_official 56:99eb381a3269 59 // Configure I2C pins
mbed_official 56:99eb381a3269 60 pinmap_pinout(sda, PinMap_I2C_SDA);
mbed_official 56:99eb381a3269 61 pinmap_pinout(scl, PinMap_I2C_SCL);
mbed_official 56:99eb381a3269 62 pin_mode(sda, OpenDrain);
mbed_official 56:99eb381a3269 63 pin_mode(scl, OpenDrain);
mbed_official 56:99eb381a3269 64
mbed_official 56:99eb381a3269 65 // Reset to clear pending flags if any
mbed_official 56:99eb381a3269 66 i2c_reset(obj);
mbed_official 56:99eb381a3269 67
mbed_official 56:99eb381a3269 68 // I2C configuration
mbed_official 56:99eb381a3269 69 i2c_frequency(obj, 100000); // 100 kHz per default
mbed_official 56:99eb381a3269 70 }
mbed_official 56:99eb381a3269 71
mbed_official 56:99eb381a3269 72 void i2c_frequency(i2c_t *obj, int hz) {
mbed_official 56:99eb381a3269 73 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 56:99eb381a3269 74 I2C_InitTypeDef I2C_InitStructure;
mbed_official 56:99eb381a3269 75
mbed_official 56:99eb381a3269 76 if ((hz != 0) && (hz <= 400000)) {
mbed_official 56:99eb381a3269 77 // I2C configuration
mbed_official 56:99eb381a3269 78 I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
mbed_official 56:99eb381a3269 79 I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
mbed_official 56:99eb381a3269 80 I2C_InitStructure.I2C_OwnAddress1 = 0;
mbed_official 56:99eb381a3269 81 I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
mbed_official 56:99eb381a3269 82 I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
mbed_official 56:99eb381a3269 83 I2C_InitStructure.I2C_ClockSpeed = hz;
mbed_official 56:99eb381a3269 84 I2C_Cmd(i2c, ENABLE);
mbed_official 56:99eb381a3269 85 I2C_Init(i2c, &I2C_InitStructure);
mbed_official 56:99eb381a3269 86 }
mbed_official 56:99eb381a3269 87 }
mbed_official 56:99eb381a3269 88
mbed_official 56:99eb381a3269 89 inline int i2c_start(i2c_t *obj) {
mbed_official 56:99eb381a3269 90 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 56:99eb381a3269 91 int timeout;
mbed_official 56:99eb381a3269 92
mbed_official 56:99eb381a3269 93 I2C_ClearFlag(i2c, I2C_FLAG_AF); // Clear Acknowledge failure flag
mbed_official 56:99eb381a3269 94
mbed_official 56:99eb381a3269 95 // Generate the START condition
mbed_official 56:99eb381a3269 96 I2C_GenerateSTART(i2c, ENABLE);
mbed_official 56:99eb381a3269 97
mbed_official 56:99eb381a3269 98 // Wait the START condition has been correctly sent
mbed_official 56:99eb381a3269 99 timeout = FLAG_TIMEOUT;
mbed_official 56:99eb381a3269 100 //while (I2C_CheckEvent(i2c, I2C_EVENT_MASTER_MODE_SELECT) == ERROR) {
mbed_official 56:99eb381a3269 101 while (I2C_GetFlagStatus(i2c, I2C_FLAG_SB) == RESET) {
mbed_official 56:99eb381a3269 102 if ((timeout--) == 0) {
mbed_official 58:3b55b7a41411 103 return 1;
mbed_official 56:99eb381a3269 104 }
mbed_official 56:99eb381a3269 105 }
mbed_official 56:99eb381a3269 106
mbed_official 58:3b55b7a41411 107 return 0;
mbed_official 56:99eb381a3269 108 }
mbed_official 56:99eb381a3269 109
mbed_official 56:99eb381a3269 110 inline int i2c_stop(i2c_t *obj) {
mbed_official 56:99eb381a3269 111 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 58:3b55b7a41411 112
mbed_official 56:99eb381a3269 113 I2C_GenerateSTOP(i2c, ENABLE);
mbed_official 58:3b55b7a41411 114
mbed_official 58:3b55b7a41411 115 return 0;
mbed_official 56:99eb381a3269 116 }
mbed_official 56:99eb381a3269 117
mbed_official 56:99eb381a3269 118 int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) {
mbed_official 56:99eb381a3269 119 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 56:99eb381a3269 120 int timeout;
mbed_official 56:99eb381a3269 121 int count;
mbed_official 56:99eb381a3269 122 int value;
mbed_official 56:99eb381a3269 123
mbed_official 56:99eb381a3269 124 if (length == 0) return 0;
mbed_official 56:99eb381a3269 125
mbed_official 56:99eb381a3269 126 /*
mbed_official 56:99eb381a3269 127 // Wait until the bus is not busy anymore
mbed_official 56:99eb381a3269 128 timeout = LONG_TIMEOUT;
mbed_official 56:99eb381a3269 129 while (I2C_GetFlagStatus(i2c, I2C_FLAG_BUSY) == SET) {
mbed_official 56:99eb381a3269 130 if ((timeout--) == 0) {
mbed_official 58:3b55b7a41411 131 return 0;
mbed_official 56:99eb381a3269 132 }
mbed_official 56:99eb381a3269 133 }
mbed_official 56:99eb381a3269 134 */
mbed_official 56:99eb381a3269 135
mbed_official 56:99eb381a3269 136 i2c_start(obj);
mbed_official 56:99eb381a3269 137
mbed_official 56:99eb381a3269 138 // Send slave address for read
mbed_official 56:99eb381a3269 139 I2C_Send7bitAddress(i2c, address, I2C_Direction_Receiver);
mbed_official 56:99eb381a3269 140
mbed_official 56:99eb381a3269 141 // Wait address is acknowledged
mbed_official 56:99eb381a3269 142 timeout = FLAG_TIMEOUT;
mbed_official 56:99eb381a3269 143 while (I2C_CheckEvent(i2c, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED) == ERROR) {
mbed_official 56:99eb381a3269 144 if ((timeout--) == 0) {
mbed_official 58:3b55b7a41411 145 return 0;
mbed_official 56:99eb381a3269 146 }
mbed_official 56:99eb381a3269 147 }
mbed_official 56:99eb381a3269 148
mbed_official 56:99eb381a3269 149 // Read all bytes except last one
mbed_official 56:99eb381a3269 150 for (count = 0; count < (length - 1); count++) {
mbed_official 56:99eb381a3269 151 value = i2c_byte_read(obj, 0);
mbed_official 56:99eb381a3269 152 data[count] = (char)value;
mbed_official 56:99eb381a3269 153 }
mbed_official 56:99eb381a3269 154
mbed_official 56:99eb381a3269 155 // If not repeated start, send stop.
mbed_official 56:99eb381a3269 156 // Warning: must be done BEFORE the data is read.
mbed_official 56:99eb381a3269 157 if (stop) {
mbed_official 56:99eb381a3269 158 i2c_stop(obj);
mbed_official 56:99eb381a3269 159 }
mbed_official 56:99eb381a3269 160
mbed_official 56:99eb381a3269 161 // Read the last byte
mbed_official 56:99eb381a3269 162 value = i2c_byte_read(obj, 1);
mbed_official 56:99eb381a3269 163 data[count] = (char)value;
mbed_official 56:99eb381a3269 164
mbed_official 56:99eb381a3269 165 return length;
mbed_official 56:99eb381a3269 166 }
mbed_official 56:99eb381a3269 167
mbed_official 56:99eb381a3269 168 int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) {
mbed_official 56:99eb381a3269 169 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 56:99eb381a3269 170 int timeout;
mbed_official 56:99eb381a3269 171 int count;
mbed_official 56:99eb381a3269 172
mbed_official 56:99eb381a3269 173 /*
mbed_official 56:99eb381a3269 174 // Wait until the bus is not busy anymore
mbed_official 56:99eb381a3269 175 timeout = LONG_TIMEOUT;
mbed_official 56:99eb381a3269 176 while (I2C_GetFlagStatus(i2c, I2C_FLAG_BUSY) == SET) {
mbed_official 56:99eb381a3269 177 if ((timeout--) == 0) {
mbed_official 58:3b55b7a41411 178 return 0;
mbed_official 56:99eb381a3269 179 }
mbed_official 56:99eb381a3269 180 }
mbed_official 56:99eb381a3269 181 */
mbed_official 56:99eb381a3269 182
mbed_official 56:99eb381a3269 183 i2c_start(obj);
mbed_official 56:99eb381a3269 184
mbed_official 56:99eb381a3269 185 // Send slave address for write
mbed_official 56:99eb381a3269 186 I2C_Send7bitAddress(i2c, address, I2C_Direction_Transmitter);
mbed_official 56:99eb381a3269 187
mbed_official 56:99eb381a3269 188 // Wait address is acknowledged
mbed_official 56:99eb381a3269 189 timeout = FLAG_TIMEOUT;
mbed_official 56:99eb381a3269 190 while (I2C_CheckEvent(i2c, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED) == ERROR) {
mbed_official 56:99eb381a3269 191 if ((timeout--) == 0) {
mbed_official 58:3b55b7a41411 192 return 0;
mbed_official 56:99eb381a3269 193 }
mbed_official 56:99eb381a3269 194 }
mbed_official 56:99eb381a3269 195
mbed_official 56:99eb381a3269 196 for (count = 0; count < length; count++) {
mbed_official 58:3b55b7a41411 197 if (i2c_byte_write(obj, data[count]) != 1) {
mbed_official 58:3b55b7a41411 198 i2c_stop(obj);
mbed_official 58:3b55b7a41411 199 return 0;
mbed_official 56:99eb381a3269 200 }
mbed_official 56:99eb381a3269 201 }
mbed_official 56:99eb381a3269 202
mbed_official 56:99eb381a3269 203 // If not repeated start, send stop.
mbed_official 56:99eb381a3269 204 if (stop) {
mbed_official 56:99eb381a3269 205 i2c_stop(obj);
mbed_official 56:99eb381a3269 206 }
mbed_official 56:99eb381a3269 207
mbed_official 56:99eb381a3269 208 return count;
mbed_official 56:99eb381a3269 209 }
mbed_official 56:99eb381a3269 210
mbed_official 56:99eb381a3269 211 int i2c_byte_read(i2c_t *obj, int last) {
mbed_official 56:99eb381a3269 212 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 56:99eb381a3269 213 uint8_t data;
mbed_official 56:99eb381a3269 214 int timeout;
mbed_official 56:99eb381a3269 215
mbed_official 56:99eb381a3269 216 if (last) {
mbed_official 56:99eb381a3269 217 // Don't acknowledge the last byte
mbed_official 56:99eb381a3269 218 I2C_AcknowledgeConfig(i2c, DISABLE);
mbed_official 56:99eb381a3269 219 } else {
mbed_official 56:99eb381a3269 220 // Acknowledge the byte
mbed_official 56:99eb381a3269 221 I2C_AcknowledgeConfig(i2c, ENABLE);
mbed_official 56:99eb381a3269 222 }
mbed_official 56:99eb381a3269 223
mbed_official 56:99eb381a3269 224 // Wait until the byte is received
mbed_official 56:99eb381a3269 225 timeout = FLAG_TIMEOUT;
mbed_official 56:99eb381a3269 226 while (I2C_GetFlagStatus(i2c, I2C_FLAG_RXNE) == RESET) {
mbed_official 56:99eb381a3269 227 if ((timeout--) == 0) {
mbed_official 58:3b55b7a41411 228 return 0;
mbed_official 56:99eb381a3269 229 }
mbed_official 56:99eb381a3269 230 }
mbed_official 56:99eb381a3269 231
mbed_official 56:99eb381a3269 232 data = I2C_ReceiveData(i2c);
mbed_official 56:99eb381a3269 233
mbed_official 56:99eb381a3269 234 return (int)data;
mbed_official 56:99eb381a3269 235 }
mbed_official 56:99eb381a3269 236
mbed_official 56:99eb381a3269 237 int i2c_byte_write(i2c_t *obj, int data) {
mbed_official 56:99eb381a3269 238 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 56:99eb381a3269 239 int timeout;
mbed_official 56:99eb381a3269 240
mbed_official 56:99eb381a3269 241 I2C_SendData(i2c, (uint8_t)data);
mbed_official 56:99eb381a3269 242
mbed_official 56:99eb381a3269 243 // Wait until the byte is transmitted
mbed_official 56:99eb381a3269 244 timeout = FLAG_TIMEOUT;
mbed_official 56:99eb381a3269 245 //while (I2C_CheckEvent(i2c, I2C_EVENT_MASTER_BYTE_TRANSMITTED) == ERROR) {
mbed_official 56:99eb381a3269 246 while ((I2C_GetFlagStatus(i2c, I2C_FLAG_TXE) == RESET) &&
mbed_official 56:99eb381a3269 247 (I2C_GetFlagStatus(i2c, I2C_FLAG_BTF) == RESET)) {
mbed_official 56:99eb381a3269 248 if ((timeout--) == 0) {
mbed_official 58:3b55b7a41411 249 return 0;
mbed_official 56:99eb381a3269 250 }
mbed_official 56:99eb381a3269 251 }
mbed_official 56:99eb381a3269 252
mbed_official 58:3b55b7a41411 253 return 1;
mbed_official 56:99eb381a3269 254 }
mbed_official 56:99eb381a3269 255
mbed_official 56:99eb381a3269 256 void i2c_reset(i2c_t *obj) {
mbed_official 56:99eb381a3269 257 if (obj->i2c == I2C_1) {
mbed_official 56:99eb381a3269 258 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, ENABLE);
mbed_official 56:99eb381a3269 259 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, DISABLE);
mbed_official 56:99eb381a3269 260 }
mbed_official 56:99eb381a3269 261 if (obj->i2c == I2C_2) {
mbed_official 56:99eb381a3269 262 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C2, ENABLE);
mbed_official 56:99eb381a3269 263 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C2, DISABLE);
mbed_official 56:99eb381a3269 264 }
mbed_official 56:99eb381a3269 265 }
mbed_official 56:99eb381a3269 266
mbed_official 56:99eb381a3269 267 #if DEVICE_I2CSLAVE
mbed_official 56:99eb381a3269 268
mbed_official 56:99eb381a3269 269 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) {
mbed_official 56:99eb381a3269 270 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 56:99eb381a3269 271 uint16_t tmpreg;
mbed_official 56:99eb381a3269 272
mbed_official 56:99eb381a3269 273 // Get the old register value
mbed_official 56:99eb381a3269 274 tmpreg = i2c->OAR1;
mbed_official 56:99eb381a3269 275 // Reset address bits
mbed_official 56:99eb381a3269 276 tmpreg &= 0xFC00;
mbed_official 56:99eb381a3269 277 // Set new address
mbed_official 56:99eb381a3269 278 tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits
mbed_official 56:99eb381a3269 279 // Store the new register value
mbed_official 56:99eb381a3269 280 i2c->OAR1 = tmpreg;
mbed_official 56:99eb381a3269 281 }
mbed_official 56:99eb381a3269 282
mbed_official 56:99eb381a3269 283 void i2c_slave_mode(i2c_t *obj, int enable_slave) {
mbed_official 56:99eb381a3269 284 // Nothing to do
mbed_official 56:99eb381a3269 285 }
mbed_official 56:99eb381a3269 286
mbed_official 58:3b55b7a41411 287 // See I2CSlave.h
mbed_official 58:3b55b7a41411 288 #define NoData 0 // the slave has not been addressed
mbed_official 58:3b55b7a41411 289 #define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter)
mbed_official 58:3b55b7a41411 290 #define WriteGeneral 2 // the master is writing to all slave
mbed_official 58:3b55b7a41411 291 #define WriteAddressed 3 // the master is writing to this slave (slave = receiver)
mbed_official 56:99eb381a3269 292
mbed_official 56:99eb381a3269 293 int i2c_slave_receive(i2c_t *obj) {
mbed_official 58:3b55b7a41411 294 // TO BE DONE
mbed_official 58:3b55b7a41411 295 return(0);
mbed_official 56:99eb381a3269 296 }
mbed_official 56:99eb381a3269 297
mbed_official 56:99eb381a3269 298 int i2c_slave_read(i2c_t *obj, char *data, int length) {
mbed_official 58:3b55b7a41411 299 int count = 0;
mbed_official 58:3b55b7a41411 300
mbed_official 58:3b55b7a41411 301 // Read all bytes
mbed_official 58:3b55b7a41411 302 for (count = 0; count < length; count++) {
mbed_official 58:3b55b7a41411 303 data[count] = i2c_byte_read(obj, 0);
mbed_official 58:3b55b7a41411 304 }
mbed_official 58:3b55b7a41411 305
mbed_official 58:3b55b7a41411 306 return count;
mbed_official 56:99eb381a3269 307 }
mbed_official 56:99eb381a3269 308
mbed_official 56:99eb381a3269 309 int i2c_slave_write(i2c_t *obj, const char *data, int length) {
mbed_official 58:3b55b7a41411 310 int count = 0;
mbed_official 58:3b55b7a41411 311
mbed_official 58:3b55b7a41411 312 // Write all bytes
mbed_official 58:3b55b7a41411 313 for (count = 0; count < length; count++) {
mbed_official 58:3b55b7a41411 314 i2c_byte_write(obj, data[count]);
mbed_official 58:3b55b7a41411 315 }
mbed_official 58:3b55b7a41411 316
mbed_official 58:3b55b7a41411 317 return count;
mbed_official 56:99eb381a3269 318 }
mbed_official 56:99eb381a3269 319
mbed_official 56:99eb381a3269 320
mbed_official 56:99eb381a3269 321 #endif // DEVICE_I2CSLAVE
mbed_official 56:99eb381a3269 322
mbed_official 56:99eb381a3269 323 #endif // DEVICE_I2C