shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/i2c_api.c@84:f54042cbc282, 2014-02-03 (annotated)

Committer:
mbed_official
Date:
Mon Feb 03 09:30:05 2014 +0000
Revision:
84:f54042cbc282
Parent:
80:66393a7b209d
Child:
164:90c6009cba07
Synchronized with git revision bbbd8699601c42149ccf0c37bc42bb6856ccc4c6



Full URL: https://github.com/mbedmicro/mbed/commit/bbbd8699601c42149ccf0c37bc42bb6856ccc4c6/



[NUCLEO_L152RE/F030_R8] SPI, I2C, Ticker, PWM updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 80:66393a7b209d 1 /* mbed Microcontroller Library
mbed_official 80:66393a7b209d 2 *******************************************************************************
mbed_official 80:66393a7b209d 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 80:66393a7b209d 4 * All rights reserved.
mbed_official 80:66393a7b209d 5 *
mbed_official 80:66393a7b209d 6 * Redistribution and use in source and binary forms, with or without
mbed_official 80:66393a7b209d 7 * modification, are permitted provided that the following conditions are met:
mbed_official 80:66393a7b209d 8 *
mbed_official 80:66393a7b209d 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 80:66393a7b209d 10 * this list of conditions and the following disclaimer.
mbed_official 80:66393a7b209d 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 80:66393a7b209d 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 80:66393a7b209d 13 * and/or other materials provided with the distribution.
mbed_official 80:66393a7b209d 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 80:66393a7b209d 15 * may be used to endorse or promote products derived from this software
mbed_official 80:66393a7b209d 16 * without specific prior written permission.
mbed_official 80:66393a7b209d 17 *
mbed_official 80:66393a7b209d 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 80:66393a7b209d 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 80:66393a7b209d 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 80:66393a7b209d 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 80:66393a7b209d 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 80:66393a7b209d 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 80:66393a7b209d 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 80:66393a7b209d 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 80:66393a7b209d 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 80:66393a7b209d 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 80:66393a7b209d 28 *******************************************************************************
mbed_official 80:66393a7b209d 29 */
mbed_official 80:66393a7b209d 30 #include "i2c_api.h"
mbed_official 80:66393a7b209d 31
mbed_official 80:66393a7b209d 32 #if DEVICE_I2C
mbed_official 80:66393a7b209d 33
mbed_official 80:66393a7b209d 34 #include "cmsis.h"
mbed_official 80:66393a7b209d 35 #include "pinmap.h"
mbed_official 80:66393a7b209d 36 #include "error.h"
mbed_official 80:66393a7b209d 37
mbed_official 80:66393a7b209d 38 /* Timeout values for flags and events waiting loops. These timeouts are
mbed_official 80:66393a7b209d 39 not based on accurate values, they just guarantee that the application will
mbed_official 80:66393a7b209d 40 not remain stuck if the I2C communication is corrupted. */
mbed_official 80:66393a7b209d 41 #define FLAG_TIMEOUT ((int)0x1000)
mbed_official 80:66393a7b209d 42 #define LONG_TIMEOUT ((int)0x8000)
mbed_official 80:66393a7b209d 43
mbed_official 80:66393a7b209d 44 static const PinMap PinMap_I2C_SDA[] = {
mbed_official 84:f54042cbc282 45 {PB_9, I2C_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_OD, GPIO_PuPd_UP, GPIO_AF_1)},
mbed_official 80:66393a7b209d 46 {NC, NC, 0}
mbed_official 80:66393a7b209d 47 };
mbed_official 80:66393a7b209d 48
mbed_official 80:66393a7b209d 49 static const PinMap PinMap_I2C_SCL[] = {
mbed_official 84:f54042cbc282 50 {PB_8, I2C_1, STM_PIN_DATA(GPIO_Mode_AF, GPIO_OType_OD, GPIO_PuPd_UP, GPIO_AF_1)},
mbed_official 80:66393a7b209d 51 {NC, NC, 0}
mbed_official 80:66393a7b209d 52 };
mbed_official 80:66393a7b209d 53
mbed_official 80:66393a7b209d 54 void i2c_init(i2c_t *obj, PinName sda, PinName scl) {
mbed_official 80:66393a7b209d 55 // Determine the I2C to use
mbed_official 80:66393a7b209d 56 I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA);
mbed_official 80:66393a7b209d 57 I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL);
mbed_official 80:66393a7b209d 58
mbed_official 80:66393a7b209d 59 obj->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl);
mbed_official 80:66393a7b209d 60
mbed_official 80:66393a7b209d 61 if (obj->i2c == (I2CName)NC) {
mbed_official 80:66393a7b209d 62 error("I2C pin mapping failed");
mbed_official 80:66393a7b209d 63 }
mbed_official 80:66393a7b209d 64
mbed_official 80:66393a7b209d 65 // Enable I2C clock
mbed_official 80:66393a7b209d 66 if (obj->i2c == I2C_1) {
mbed_official 80:66393a7b209d 67 RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
mbed_official 80:66393a7b209d 68 }
mbed_official 80:66393a7b209d 69 //if (obj->i2c == I2C_2) {
mbed_official 80:66393a7b209d 70 // RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE);
mbed_official 80:66393a7b209d 71 //}
mbed_official 80:66393a7b209d 72
mbed_official 80:66393a7b209d 73 // Configure I2C pins
mbed_official 84:f54042cbc282 74 pinmap_pinout(scl, PinMap_I2C_SCL);
mbed_official 84:f54042cbc282 75 pin_mode(scl, OpenDrain);
mbed_official 80:66393a7b209d 76 pinmap_pinout(sda, PinMap_I2C_SDA);
mbed_official 80:66393a7b209d 77 pin_mode(sda, OpenDrain);
mbed_official 80:66393a7b209d 78
mbed_official 80:66393a7b209d 79 // Reset to clear pending flags if any
mbed_official 80:66393a7b209d 80 i2c_reset(obj);
mbed_official 80:66393a7b209d 81
mbed_official 80:66393a7b209d 82 // I2C configuration
mbed_official 80:66393a7b209d 83 i2c_frequency(obj, 100000); // 100 kHz per default
mbed_official 80:66393a7b209d 84 }
mbed_official 80:66393a7b209d 85
mbed_official 80:66393a7b209d 86 void i2c_frequency(i2c_t *obj, int hz) {
mbed_official 80:66393a7b209d 87 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 80:66393a7b209d 88 I2C_InitTypeDef I2C_InitStructure;
mbed_official 80:66393a7b209d 89 uint32_t tim;
mbed_official 80:66393a7b209d 90
mbed_official 80:66393a7b209d 91 // Values calculated with I2C_Timing_Configuration_V1.0.1.xls file (see AN4235)
mbed_official 80:66393a7b209d 92 // with Rise time = 100ns and Fall time = 10ns
mbed_official 80:66393a7b209d 93 switch (hz) {
mbed_official 80:66393a7b209d 94 case 100000:
mbed_official 80:66393a7b209d 95 tim = 0x00201D2B; // Standard mode
mbed_official 80:66393a7b209d 96 break;
mbed_official 80:66393a7b209d 97 case 200000:
mbed_official 80:66393a7b209d 98 tim = 0x0010021E; // Fast mode
mbed_official 80:66393a7b209d 99 break;
mbed_official 80:66393a7b209d 100 case 400000:
mbed_official 80:66393a7b209d 101 tim = 0x0010020A; // Fast mode
mbed_official 80:66393a7b209d 102 break;
mbed_official 80:66393a7b209d 103 default:
mbed_official 80:66393a7b209d 104 error("Only 100kHz, 200kHz and 400kHz I2C frequencies are supported.");
mbed_official 80:66393a7b209d 105 break;
mbed_official 80:66393a7b209d 106 }
mbed_official 80:66393a7b209d 107
mbed_official 80:66393a7b209d 108 // I2C configuration
mbed_official 80:66393a7b209d 109 I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
mbed_official 80:66393a7b209d 110 I2C_InitStructure.I2C_AnalogFilter = I2C_AnalogFilter_Enable;
mbed_official 80:66393a7b209d 111 I2C_InitStructure.I2C_DigitalFilter = 0x00;
mbed_official 80:66393a7b209d 112 I2C_InitStructure.I2C_OwnAddress1 = 0x00;
mbed_official 80:66393a7b209d 113 I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
mbed_official 80:66393a7b209d 114 I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
mbed_official 80:66393a7b209d 115 I2C_InitStructure.I2C_Timing = tim;
mbed_official 80:66393a7b209d 116 I2C_Init(i2c, &I2C_InitStructure);
mbed_official 80:66393a7b209d 117
mbed_official 80:66393a7b209d 118 I2C_Cmd(i2c, ENABLE);
mbed_official 80:66393a7b209d 119 }
mbed_official 80:66393a7b209d 120
mbed_official 80:66393a7b209d 121 inline int i2c_start(i2c_t *obj) {
mbed_official 80:66393a7b209d 122 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 84:f54042cbc282 123 int timeout;
mbed_official 80:66393a7b209d 124
mbed_official 80:66393a7b209d 125 // Test BUSY Flag
mbed_official 84:f54042cbc282 126 timeout = LONG_TIMEOUT;
mbed_official 84:f54042cbc282 127 while (I2C_GetFlagStatus(i2c, I2C_ISR_BUSY) != RESET) {
mbed_official 84:f54042cbc282 128 timeout--;
mbed_official 84:f54042cbc282 129 if (timeout == 0) {
mbed_official 84:f54042cbc282 130 return 0;
mbed_official 84:f54042cbc282 131 }
mbed_official 80:66393a7b209d 132 }
mbed_official 80:66393a7b209d 133
mbed_official 80:66393a7b209d 134 I2C_GenerateSTART(i2c, ENABLE);
mbed_official 80:66393a7b209d 135
mbed_official 80:66393a7b209d 136 return 0;
mbed_official 80:66393a7b209d 137 }
mbed_official 80:66393a7b209d 138
mbed_official 80:66393a7b209d 139 inline int i2c_stop(i2c_t *obj) {
mbed_official 80:66393a7b209d 140 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 84:f54042cbc282 141
mbed_official 80:66393a7b209d 142 I2C_GenerateSTOP(i2c, ENABLE);
mbed_official 84:f54042cbc282 143
mbed_official 80:66393a7b209d 144 return 0;
mbed_official 80:66393a7b209d 145 }
mbed_official 80:66393a7b209d 146
mbed_official 80:66393a7b209d 147 int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) {
mbed_official 80:66393a7b209d 148 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 80:66393a7b209d 149 int count;
mbed_official 80:66393a7b209d 150 int value;
mbed_official 84:f54042cbc282 151
mbed_official 80:66393a7b209d 152 if (length == 0) return 0;
mbed_official 80:66393a7b209d 153
mbed_official 80:66393a7b209d 154 // Configure slave address, nbytes, reload, end mode and start or stop generation
mbed_official 84:f54042cbc282 155 I2C_TransferHandling(i2c, address, length, I2C_AutoEnd_Mode, I2C_Generate_Start_Read);
mbed_official 80:66393a7b209d 156
mbed_official 80:66393a7b209d 157 // Read all bytes
mbed_official 80:66393a7b209d 158 for (count = 0; count < length; count++) {
mbed_official 80:66393a7b209d 159 value = i2c_byte_read(obj, 0);
mbed_official 80:66393a7b209d 160 data[count] = (char)value;
mbed_official 80:66393a7b209d 161 }
mbed_official 80:66393a7b209d 162
mbed_official 80:66393a7b209d 163 return length;
mbed_official 80:66393a7b209d 164 }
mbed_official 80:66393a7b209d 165
mbed_official 80:66393a7b209d 166 int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) {
mbed_official 80:66393a7b209d 167 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 84:f54042cbc282 168 //int timeout;
mbed_official 80:66393a7b209d 169 int count;
mbed_official 84:f54042cbc282 170
mbed_official 84:f54042cbc282 171 if (length == 0) return 0;
mbed_official 80:66393a7b209d 172
mbed_official 84:f54042cbc282 173 // TODO: the stop is always sent even with I2C_SoftEnd_Mode. To be corrected.
mbed_official 84:f54042cbc282 174
mbed_official 84:f54042cbc282 175 // Configure slave address, nbytes, reload, end mode and start or stop generation
mbed_official 84:f54042cbc282 176 //if (stop) {
mbed_official 84:f54042cbc282 177 I2C_TransferHandling(i2c, address, length, I2C_AutoEnd_Mode, I2C_Generate_Start_Write);
mbed_official 80:66393a7b209d 178 //}
mbed_official 84:f54042cbc282 179 //else {
mbed_official 84:f54042cbc282 180 // I2C_TransferHandling(i2c, address, length, I2C_SoftEnd_Mode, I2C_Generate_Start_Write);
mbed_official 84:f54042cbc282 181 //}
mbed_official 80:66393a7b209d 182
mbed_official 80:66393a7b209d 183 // Write all bytes
mbed_official 80:66393a7b209d 184 for (count = 0; count < length; count++) {
mbed_official 80:66393a7b209d 185 if (i2c_byte_write(obj, data[count]) != 1) {
mbed_official 80:66393a7b209d 186 i2c_stop(obj);
mbed_official 80:66393a7b209d 187 return 0;
mbed_official 80:66393a7b209d 188 }
mbed_official 80:66393a7b209d 189 }
mbed_official 80:66393a7b209d 190
mbed_official 84:f54042cbc282 191 /*
mbed_official 80:66393a7b209d 192 if (stop) {
mbed_official 80:66393a7b209d 193 // Wait until STOPF flag is set
mbed_official 80:66393a7b209d 194 timeout = LONG_TIMEOUT;
mbed_official 84:f54042cbc282 195 while (I2C_GetFlagStatus(i2c, I2C_ISR_STOPF) == RESET) {
mbed_official 84:f54042cbc282 196 timeout--;
mbed_official 84:f54042cbc282 197 if (timeout == 0) {
mbed_official 84:f54042cbc282 198 return 0;
mbed_official 84:f54042cbc282 199 }
mbed_official 84:f54042cbc282 200 }
mbed_official 80:66393a7b209d 201 // Clear STOPF flag
mbed_official 80:66393a7b209d 202 I2C_ClearFlag(i2c, I2C_ICR_STOPCF);
mbed_official 80:66393a7b209d 203 }
mbed_official 84:f54042cbc282 204 */
mbed_official 80:66393a7b209d 205
mbed_official 80:66393a7b209d 206 return count;
mbed_official 80:66393a7b209d 207 }
mbed_official 80:66393a7b209d 208
mbed_official 80:66393a7b209d 209 int i2c_byte_read(i2c_t *obj, int last) {
mbed_official 80:66393a7b209d 210 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 80:66393a7b209d 211 uint8_t data;
mbed_official 84:f54042cbc282 212 int timeout;
mbed_official 80:66393a7b209d 213
mbed_official 80:66393a7b209d 214 // Wait until the byte is received
mbed_official 84:f54042cbc282 215 timeout = FLAG_TIMEOUT;
mbed_official 80:66393a7b209d 216 while (I2C_GetFlagStatus(i2c, I2C_ISR_RXNE) == RESET) {
mbed_official 84:f54042cbc282 217 timeout--;
mbed_official 84:f54042cbc282 218 if (timeout == 0) {
mbed_official 84:f54042cbc282 219 return 0;
mbed_official 84:f54042cbc282 220 }
mbed_official 80:66393a7b209d 221 }
mbed_official 80:66393a7b209d 222
mbed_official 80:66393a7b209d 223 data = I2C_ReceiveData(i2c);
mbed_official 80:66393a7b209d 224
mbed_official 80:66393a7b209d 225 return (int)data;
mbed_official 80:66393a7b209d 226 }
mbed_official 80:66393a7b209d 227
mbed_official 80:66393a7b209d 228 int i2c_byte_write(i2c_t *obj, int data) {
mbed_official 80:66393a7b209d 229 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 84:f54042cbc282 230 int timeout;
mbed_official 80:66393a7b209d 231
mbed_official 84:f54042cbc282 232 // Wait until the previous byte is transmitted
mbed_official 84:f54042cbc282 233 timeout = FLAG_TIMEOUT;
mbed_official 84:f54042cbc282 234 while (I2C_GetFlagStatus(i2c, I2C_ISR_TXIS) == RESET) {
mbed_official 84:f54042cbc282 235 timeout--;
mbed_official 84:f54042cbc282 236 if (timeout == 0) {
mbed_official 84:f54042cbc282 237 return 0;
mbed_official 84:f54042cbc282 238 }
mbed_official 80:66393a7b209d 239 }
mbed_official 84:f54042cbc282 240
mbed_official 80:66393a7b209d 241 I2C_SendData(i2c, (uint8_t)data);
mbed_official 80:66393a7b209d 242
mbed_official 80:66393a7b209d 243 return 1;
mbed_official 80:66393a7b209d 244 }
mbed_official 80:66393a7b209d 245
mbed_official 80:66393a7b209d 246 void i2c_reset(i2c_t *obj) {
mbed_official 80:66393a7b209d 247 if (obj->i2c == I2C_1) {
mbed_official 80:66393a7b209d 248 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, ENABLE);
mbed_official 80:66393a7b209d 249 RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, DISABLE);
mbed_official 80:66393a7b209d 250 }
mbed_official 80:66393a7b209d 251 //if (obj->i2c == I2C_2) {
mbed_official 80:66393a7b209d 252 // RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C2, ENABLE);
mbed_official 80:66393a7b209d 253 // RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C2, DISABLE);
mbed_official 80:66393a7b209d 254 //}
mbed_official 80:66393a7b209d 255 }
mbed_official 80:66393a7b209d 256
mbed_official 80:66393a7b209d 257 #if DEVICE_I2CSLAVE
mbed_official 80:66393a7b209d 258
mbed_official 80:66393a7b209d 259 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) {
mbed_official 80:66393a7b209d 260 I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
mbed_official 80:66393a7b209d 261 uint16_t tmpreg;
mbed_official 80:66393a7b209d 262
mbed_official 80:66393a7b209d 263 // Get the old register value
mbed_official 80:66393a7b209d 264 tmpreg = i2c->OAR1;
mbed_official 80:66393a7b209d 265 // Reset address bits
mbed_official 80:66393a7b209d 266 tmpreg &= 0xFC00;
mbed_official 80:66393a7b209d 267 // Set new address
mbed_official 80:66393a7b209d 268 tmpreg |= (uint16_t)((uint16_t)address & (uint16_t)0x00FE); // 7-bits
mbed_official 80:66393a7b209d 269 // Store the new register value
mbed_official 80:66393a7b209d 270 i2c->OAR1 = tmpreg;
mbed_official 80:66393a7b209d 271 }
mbed_official 80:66393a7b209d 272
mbed_official 80:66393a7b209d 273 void i2c_slave_mode(i2c_t *obj, int enable_slave) {
mbed_official 80:66393a7b209d 274 // Nothing to do
mbed_official 80:66393a7b209d 275 }
mbed_official 80:66393a7b209d 276
mbed_official 80:66393a7b209d 277 // See I2CSlave.h
mbed_official 80:66393a7b209d 278 #define NoData 0 // the slave has not been addressed
mbed_official 80:66393a7b209d 279 #define ReadAddressed 1 // the master has requested a read from this slave (slave = transmitter)
mbed_official 80:66393a7b209d 280 #define WriteGeneral 2 // the master is writing to all slave
mbed_official 80:66393a7b209d 281 #define WriteAddressed 3 // the master is writing to this slave (slave = receiver)
mbed_official 80:66393a7b209d 282
mbed_official 80:66393a7b209d 283 int i2c_slave_receive(i2c_t *obj) {
mbed_official 80:66393a7b209d 284 // TO BE DONE
mbed_official 80:66393a7b209d 285 return(0);
mbed_official 80:66393a7b209d 286 }
mbed_official 80:66393a7b209d 287
mbed_official 80:66393a7b209d 288 int i2c_slave_read(i2c_t *obj, char *data, int length) {
mbed_official 80:66393a7b209d 289 int count = 0;
mbed_official 80:66393a7b209d 290
mbed_official 80:66393a7b209d 291 // Read all bytes
mbed_official 80:66393a7b209d 292 for (count = 0; count < length; count++) {
mbed_official 80:66393a7b209d 293 data[count] = i2c_byte_read(obj, 0);
mbed_official 80:66393a7b209d 294 }
mbed_official 80:66393a7b209d 295
mbed_official 80:66393a7b209d 296 return count;
mbed_official 80:66393a7b209d 297 }
mbed_official 80:66393a7b209d 298
mbed_official 80:66393a7b209d 299 int i2c_slave_write(i2c_t *obj, const char *data, int length) {
mbed_official 80:66393a7b209d 300 int count = 0;
mbed_official 80:66393a7b209d 301
mbed_official 80:66393a7b209d 302 // Write all bytes
mbed_official 80:66393a7b209d 303 for (count = 0; count < length; count++) {
mbed_official 80:66393a7b209d 304 i2c_byte_write(obj, data[count]);
mbed_official 80:66393a7b209d 305 }
mbed_official 80:66393a7b209d 306
mbed_official 80:66393a7b209d 307 return count;
mbed_official 80:66393a7b209d 308 }
mbed_official 80:66393a7b209d 309
mbed_official 80:66393a7b209d 310
mbed_official 80:66393a7b209d 311 #endif // DEVICE_I2CSLAVE
mbed_official 80:66393a7b209d 312
mbed_official 80:66393a7b209d 313 #endif // DEVICE_I2C