tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_i2c.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32l0xx_hal_i2c.h
   4   * @author  MCD Application Team
   5   * @version V1.2.0
   6   * @date    06-February-2015
   7   * @brief   Header file of I2C HAL module.
   8   ******************************************************************************
   9   * @attention
  10   *
  11   * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
  12   *
  13   * Redistribution and use in source and binary forms, with or without modification,
  14   * are permitted provided that the following conditions are met:
  15   *   1. Redistributions of source code must retain the above copyright notice,
  16   *      this list of conditions and the following disclaimer.
  17   *   2. Redistributions in binary form must reproduce the above copyright notice,
  18   *      this list of conditions and the following disclaimer in the documentation
  19   *      and/or other materials provided with the distribution.
  20   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  21   *      may be used to endorse or promote products derived from this software
  22   *      without specific prior written permission.
  23   *
  24   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  28   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34   *
  35   ******************************************************************************
  36   */
  37
  38 /* Define to prevent recursive inclusion -------------------------------------*/
  39 #ifndef __STM32L0xx_HAL_I2C_H
  40 #define __STM32L0xx_HAL_I2C_H
  41
  42 #ifdef __cplusplus
  43  extern "C" {
  44 #endif
  45
  46 /* Includes ------------------------------------------------------------------*/
  47 #include "stm32l0xx_hal_def.h"
  48
  49 /** @addtogroup STM32L0xx_HAL_Driver
  50   * @{
  51   */
  52
  53 /** @addtogroup I2C
  54   * @{
  55   */
  56
  57 /* Exported types ------------------------------------------------------------*/
  58 /** @defgroup I2C_Exported_Types I2C Exported Types
  59   * @{
  60   */
  61
  62 /** @defgroup I2C_Configuration_Structure_definition I2C Configuration Structure definition
  63   * @brief  I2C Configuration Structure definition
  64   * @{
  65   */
  66 typedef struct
  67 {
  68   uint32_t Timing;              /*!< Specifies the I2C_TIMINGR_register value.
  69                                   This parameter calculated by referring to I2C initialization
  70                                          section in Reference manual */
  71
  72   uint32_t OwnAddress1;         /*!< Specifies the first device own address.
  73                                   This parameter can be a 7-bit or 10-bit address. */
  74
  75   uint32_t AddressingMode;      /*!< Specifies if 7-bit or 10-bit addressing mode is selected.
  76                                   This parameter can be a value of @ref I2C_addressing_mode */
  77
  78   uint32_t DualAddressMode;     /*!< Specifies if dual addressing mode is selected.
  79                                   This parameter can be a value of @ref I2C_dual_addressing_mode */
  80
  81   uint32_t OwnAddress2;         /*!< Specifies the second device own address if dual addressing mode is selected
  82                                   This parameter can be a 7-bit address. */
  83
  84   uint32_t OwnAddress2Masks;    /*!< Specifies the acknoledge mask address second device own address if dual addressing mode is selected
  85                                   This parameter can be a value of @ref I2C_own_address2_masks */
  86
  87   uint32_t GeneralCallMode;     /*!< Specifies if general call mode is selected.
  88                                   This parameter can be a value of @ref I2C_general_call_addressing_mode */
  89
  90   uint32_t NoStretchMode;       /*!< Specifies if nostretch mode is selected.
  91                                   This parameter can be a value of @ref I2C_nostretch_mode */
  92
  93 }I2C_InitTypeDef;
  94
  95 /**
  96   * @}
  97   */
  98
  99 /** @defgroup HAL_state_structure_definition HAL state structure definition
 100   * @brief  HAL State structure definition
 101   * @{
 102   */
 103
 104 typedef enum
 105 {
 106   HAL_I2C_STATE_RESET           = 0x00,  /*!< I2C not yet initialized or disabled         */
 107   HAL_I2C_STATE_READY           = 0x01,  /*!< I2C initialized and ready for use           */
 108   HAL_I2C_STATE_BUSY            = 0x02,  /*!< I2C internal process is ongoing             */
 109   HAL_I2C_STATE_MASTER_BUSY_TX  = 0x12,  /*!< Master Data Transmission process is ongoing */
 110   HAL_I2C_STATE_MASTER_BUSY_RX  = 0x22,  /*!< Master Data Reception process is ongoing    */
 111   HAL_I2C_STATE_SLAVE_BUSY_TX   = 0x32,  /*!< Slave Data Transmission process is ongoing  */
 112   HAL_I2C_STATE_SLAVE_BUSY_RX   = 0x42,  /*!< Slave Data Reception process is ongoing     */
 113   HAL_I2C_STATE_MEM_BUSY_TX     = 0x52,  /*!< Memory Data Transmission process is ongoing */
 114   HAL_I2C_STATE_MEM_BUSY_RX     = 0x62,  /*!< Memory Data Reception process is ongoing    */
 115   HAL_I2C_STATE_TIMEOUT         = 0x03,  /*!< Timeout state                               */
 116   HAL_I2C_STATE_ERROR           = 0x04   /*!< Reception process is ongoing                */
 117 }HAL_I2C_StateTypeDef;
 118
 119 /**
 120   * @}
 121   */
 122
 123 /** @defgroup I2C_Error_Code I2C Error Code
 124   * @brief  I2C Error Code
 125   * @{
 126   */
 127 #define HAL_I2C_ERROR_NONE    0x00 /*!< No error              */
 128 #define HAL_I2C_ERROR_BERR    0x01 /*!< BERR error            */
 129 #define HAL_I2C_ERROR_ARLO    0x02 /*!< ARLO error            */
 130 #define HAL_I2C_ERROR_AF      0x04 /*!< ACKF error            */
 131 #define HAL_I2C_ERROR_OVR     0x08 /*!< OVR error             */
 132 #define HAL_I2C_ERROR_DMA     0x10 /*!< DMA transfer error    */
 133 #define HAL_I2C_ERROR_TIMEOUT 0x20 /*!< Timeout error         */
 134 #define HAL_I2C_ERROR_SIZE    0x40 /*!< Size Management error */
 135 /**
 136   * @}
 137   */
 138
 139 /** @defgroup I2C_handle_Structure_definition I2C handle Structure definition
 140   * @brief  I2C handle Structure definition
 141   * @{
 142   */
 143 typedef struct
 144 {
 145   I2C_TypeDef                *Instance;  /*!< I2C registers base address         */
 146
 147   I2C_InitTypeDef            Init;       /*!< I2C communication parameters       */
 148
 149   uint8_t                    *pBuffPtr;  /*!< Pointer to I2C transfer buffer     */
 150
 151   uint16_t                   XferSize;   /*!< I2C transfer size                  */
 152
 153   __IO uint16_t              XferCount;  /*!< I2C transfer counter               */
 154
 155   DMA_HandleTypeDef          *hdmatx;    /*!< I2C Tx DMA handle parameters       */
 156
 157   DMA_HandleTypeDef          *hdmarx;    /*!< I2C Rx DMA handle parameters       */
 158
 159   HAL_LockTypeDef            Lock;       /*!< I2C locking object                 */
 160
 161   __IO HAL_I2C_StateTypeDef  State;      /*!< I2C communication state            */
 162
 163   __IO uint32_t  ErrorCode;              /*!< I2C Error code, see I2C_Error_Code */
 164
 165 }I2C_HandleTypeDef;
 166 /**
 167   * @}
 168   */
 169
 170 /**
 171   * @}
 172   */
 173 /* Exported constants --------------------------------------------------------*/
 174
 175 /** @defgroup I2C_Exported_Constants I2C Exported Constants
 176   * @{
 177   */
 178
 179 /** @defgroup I2C_addressing_mode I2C addressing mode
 180   * @{
 181   */
 182 #define I2C_ADDRESSINGMODE_7BIT          ((uint32_t)0x00000001)
 183 #define I2C_ADDRESSINGMODE_10BIT         ((uint32_t)0x00000002)
 184 /**
 185   * @}
 186   */
 187
 188 /** @defgroup I2C_dual_addressing_mode I2C dual addressing mode
 189   * @{
 190   */
 191 #define I2C_DUALADDRESS_DISABLE        ((uint32_t)0x00000000)
 192 #define I2C_DUALADDRESS_ENABLE         I2C_OAR2_OA2EN
 193 /**
 194   * @}
 195   */
 196
 197 /** @defgroup I2C_own_address2_masks I2C own address2 masks
 198   * @{
 199   */
 200 #define I2C_OA2_NOMASK                  ((uint8_t)0x00)
 201 #define I2C_OA2_MASK01                  ((uint8_t)0x01)
 202 #define I2C_OA2_MASK02                  ((uint8_t)0x02)
 203 #define I2C_OA2_MASK03                  ((uint8_t)0x03)
 204 #define I2C_OA2_MASK04                  ((uint8_t)0x04)
 205 #define I2C_OA2_MASK05                  ((uint8_t)0x05)
 206 #define I2C_OA2_MASK06                  ((uint8_t)0x06)
 207 #define I2C_OA2_MASK07                  ((uint8_t)0x07)
 208 /**
 209   * @}
 210   */
 211
 212 /** @defgroup I2C_general_call_addressing_mode I2C general call addressing mode
 213   * @{
 214   */
 215 #define I2C_GENERALCALL_DISABLE        ((uint32_t)0x00000000)
 216 #define I2C_GENERALCALL_ENABLE         I2C_CR1_GCEN
 217 /**
 218   * @}
 219   */
 220
 221 /** @defgroup I2C_nostretch_mode I2C nostretch mode
 222   * @{
 223   */
 224 #define I2C_NOSTRETCH_DISABLE          ((uint32_t)0x00000000)
 225 #define I2C_NOSTRETCH_ENABLE           I2C_CR1_NOSTRETCH
 226 /**
 227   * @}
 228   */
 229
 230 /** @defgroup I2C_Memory_Address_Size I2C Memory Address Size
 231   * @{
 232   */
 233 #define I2C_MEMADD_SIZE_8BIT            ((uint32_t)0x00000001)
 234 #define I2C_MEMADD_SIZE_16BIT           ((uint32_t)0x00000002)
 235 /**
 236   * @}
 237   */
 238
 239 /** @defgroup I2C_ReloadEndMode_definition I2C ReloadEndMode definition
 240   * @{
 241   */
 242 #define  I2C_RELOAD_MODE                I2C_CR2_RELOAD
 243 #define  I2C_AUTOEND_MODE               I2C_CR2_AUTOEND
 244 #define  I2C_SOFTEND_MODE               ((uint32_t)0x00000000)
 245 /**
 246   * @}
 247   */
 248
 249 /** @defgroup I2C_StartStopMode_definition I2C StartStopMode definition
 250   * @{
 251   */
 252 #define  I2C_NO_STARTSTOP                 ((uint32_t)0x00000000)
 253 #define  I2C_GENERATE_STOP                I2C_CR2_STOP
 254 #define  I2C_GENERATE_START_READ          (uint32_t)(I2C_CR2_START | I2C_CR2_RD_WRN)
 255 #define  I2C_GENERATE_START_WRITE         I2C_CR2_START
 256 /**
 257   * @}
 258   */
 259
 260 /** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition
 261   * @brief I2C Interrupt definition
 262   *        Elements values convention: 0xXXXXXXXX
 263   *           - XXXXXXXX  : Interrupt control mask
 264   * @{
 265   */
 266 #define I2C_IT_ERRI                       I2C_CR1_ERRIE
 267 #define I2C_IT_TCI                        I2C_CR1_TCIE
 268 #define I2C_IT_STOPI                      I2C_CR1_STOPIE
 269 #define I2C_IT_NACKI                      I2C_CR1_NACKIE
 270 #define I2C_IT_ADDRI                      I2C_CR1_ADDRIE
 271 #define I2C_IT_RXI                        I2C_CR1_RXIE
 272 #define I2C_IT_TXI                        I2C_CR1_TXIE
 273
 274 /**
 275   * @}
 276   */
 277
 278
 279 /** @defgroup I2C_Flag_definition I2C Flag definition
 280   * @{
 281   */
 282 #define I2C_FLAG_TXE                      I2C_ISR_TXE
 283 #define I2C_FLAG_TXIS                     I2C_ISR_TXIS
 284 #define I2C_FLAG_RXNE                     I2C_ISR_RXNE
 285 #define I2C_FLAG_ADDR                     I2C_ISR_ADDR
 286 #define I2C_FLAG_AF                       I2C_ISR_NACKF
 287 #define I2C_FLAG_STOPF                    I2C_ISR_STOPF
 288 #define I2C_FLAG_TC                       I2C_ISR_TC
 289 #define I2C_FLAG_TCR                      I2C_ISR_TCR
 290 #define I2C_FLAG_BERR                     I2C_ISR_BERR
 291 #define I2C_FLAG_ARLO                     I2C_ISR_ARLO
 292 #define I2C_FLAG_OVR                      I2C_ISR_OVR
 293 #define I2C_FLAG_PECERR                   I2C_ISR_PECERR
 294 #define I2C_FLAG_TIMEOUT                  I2C_ISR_TIMEOUT
 295 #define I2C_FLAG_ALERT                    I2C_ISR_ALERT
 296 #define I2C_FLAG_BUSY                     I2C_ISR_BUSY
 297 #define I2C_FLAG_DIR                      I2C_ISR_DIR
 298 /**
 299   * @}
 300   */
 301
 302 /* Exported macros -----------------------------------------------------------*/
 303
 304 /** @defgroup I2C_Exported_Macros I2C Exported Macros
 305   * @{
 306   */
 307
 308 /** @brief Reset I2C handle state
 309   * @param  __HANDLE__: specifies the I2C Handle.
 310   * @retval None
 311   */
 312 #define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)
 313
 314 /** @brief  Enable the specified I2C interrupts.
 315   * @param  __HANDLE__: specifies the I2C Handle.
 316   * @param  __INTERRUPT__: specifies the interrupt source to enable.
 317   *        This parameter can be one of the following values:
 318   *            @arg I2C_IT_ERRI: Errors interrupt enable
 319   *            @arg I2C_IT_TCI: Transfer complete interrupt enable
 320   *            @arg I2C_IT_STOPI: STOP detection interrupt enable
 321   *            @arg I2C_IT_NACKI: NACK received interrupt enable
 322   *            @arg I2C_IT_ADDRI: Address match interrupt enable
 323   *            @arg I2C_IT_RXI: RX interrupt enable
 324   *            @arg I2C_IT_TXI: TX interrupt enable
 325   *
 326   * @retval None
 327   */
 328
 329 #define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__)   ((__HANDLE__)->Instance->CR1 |= (__INTERRUPT__))
 330
 331 /** @brief  Disable the specified I2C interrupts.
 332   * @param  __HANDLE__: specifies the I2C Handle.
 333   * @param  __INTERRUPT__: specifies the interrupt source to disable.
 334   *        This parameter can be one of the following values:
 335   *            @arg I2C_IT_ERRI: Errors interrupt enable
 336   *            @arg I2C_IT_TCI: Transfer complete interrupt enable
 337   *            @arg I2C_IT_STOPI: STOP detection interrupt enable
 338   *            @arg I2C_IT_NACKI: NACK received interrupt enable
 339   *            @arg I2C_IT_ADDRI: Address match interrupt enable
 340   *            @arg I2C_IT_RXI: RX interrupt enable
 341   *            @arg I2C_IT_TXI: TX interrupt enable
 342   *
 343   * @retval None
 344   */
 345 #define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__)  ((__HANDLE__)->Instance->CR1 &= (~(__INTERRUPT__)))
 346
 347 /** @brief  Checks if the specified I2C interrupt source is enabled or disabled.
 348   * @param  __HANDLE__: specifies the I2C Handle.
 349   * @param  __INTERRUPT__: specifies the I2C interrupt source to check.
 350   *          This parameter can be one of the following values:
 351   *            @arg I2C_IT_ERRI: Errors interrupt enable
 352   *            @arg I2C_IT_TCI: Transfer complete interrupt enable
 353   *            @arg I2C_IT_STOPI: STOP detection interrupt enable
 354   *            @arg I2C_IT_NACKI: NACK received interrupt enable
 355   *            @arg I2C_IT_ADDRI: Address match interrupt enable
 356   *            @arg I2C_IT_RXI: RX interrupt enable
 357   *            @arg I2C_IT_TXI: TX interrupt enable
 358   *
 359   * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
 360   */
 361 #define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR1 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
 362
 363 /** @brief  Checks whether the specified I2C flag is set or not.
 364   * @param  __HANDLE__: specifies the I2C Handle.
 365   * @param  __FLAG__: specifies the flag to check.
 366   *        This parameter can be one of the following values:
 367   *            @arg I2C_FLAG_TXE:      Transmit data register empty
 368   *            @arg I2C_FLAG_TXIS:     Transmit interrupt status
 369   *            @arg I2C_FLAG_RXNE:     Receive data register not empty
 370   *            @arg I2C_FLAG_ADDR:     Address matched (slave mode)
 371   *            @arg I2C_FLAG_AF:       Acknowledge failure received flag
 372   *            @arg I2C_FLAG_STOPF:    STOP detection flag
 373   *            @arg I2C_FLAG_TC:       Transfer complete (master mode)
 374   *            @arg I2C_FLAG_TCR:      Transfer complete reload
 375   *            @arg I2C_FLAG_BERR:     Bus error
 376   *            @arg I2C_FLAG_ARLO:     Arbitration lost
 377   *            @arg I2C_FLAG_OVR:      Overrun/Underrun
 378   *            @arg I2C_FLAG_PECERR:   PEC error in reception
 379   *            @arg I2C_FLAG_TIMEOUT:  Timeout or Tlow detection flag
 380   *            @arg I2C_FLAG_ALERT:    SMBus alert
 381   *            @arg I2C_FLAG_BUSY:     Bus busy
 382   *            @arg I2C_FLAG_DIR:      Transfer direction (slave mode)
 383   *
 384   * @retval The new state of __FLAG__ (TRUE or FALSE).
 385   */
 386 #define I2C_FLAG_MASK  ((uint32_t)0x0001FFFF)
 387 #define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__)                (((((__HANDLE__)->Instance->ISR) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)))
 388
 389 /** @brief  Clears the I2C pending flags which are cleared by writing 1 in a specific bit.
 390   * @param  __HANDLE__: specifies the I2C Handle.
 391   * @param  __FLAG__: specifies the flag to clear.
 392   *          This parameter can be any combination of the following values:
 393   *            @arg I2C_FLAG_ADDR:    Address matched (slave mode)
 394   *            @arg I2C_FLAG_AF:      Acknowledge failure received flag
 395   *            @arg I2C_FLAG_STOPF:   STOP detection flag
 396   *            @arg I2C_FLAG_BERR:    Bus error
 397   *            @arg I2C_FLAG_ARLO:    Arbitration lost
 398   *            @arg I2C_FLAG_OVR:     Overrun/Underrun
 399   *            @arg I2C_FLAG_PECERR:  PEC error in reception
 400   *            @arg I2C_FLAG_TIMEOUT: Timeout or Tlow detection flag
 401   *            @arg I2C_FLAG_ALERT:   SMBus alert
 402   *
 403   * @retval None
 404   */
 405 #define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__)              ((__HANDLE__)->Instance->ICR = ((__FLAG__) & I2C_FLAG_MASK))
 406
 407 /** @brief  Enable the specified I2C peripheral.
 408   * @param  __HANDLE__: specifies the I2C Handle.
 409   * @retval None
 410   */
 411 #define __HAL_I2C_ENABLE(__HANDLE__)                            (SET_BIT((__HANDLE__)->Instance->CR1,  I2C_CR1_PE))
 412
 413 /** @brief  Disable the specified I2C peripheral.
 414   * @param  __HANDLE__: specifies the I2C Handle.
 415   * @retval None
 416   */
 417 #define __HAL_I2C_DISABLE(__HANDLE__)                           (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))
 418
 419 /**
 420   * @}
 421   */
 422
 423 /* Include I2C HAL Extension module */
 424 #include "stm32l0xx_hal_i2c_ex.h"
 425
 426 /* Exported functions --------------------------------------------------------*/
 427 /** @addtogroup I2C_Exported_Functions
 428   * @{
 429   */
 430
 431 /** @addtogroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions
 432   * @{
 433   */
 434 /* Initialization and de-initialization functions******************************/
 435 HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c);
 436 HAL_StatusTypeDef HAL_I2C_DeInit (I2C_HandleTypeDef *hi2c);
 437 void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c);
 438 void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c);
 439 /**
 440   * @}
 441   */
 442
 443 /** @addtogroup I2C_Exported_Functions_Group2 Input and Output operation functions
 444   * @{
 445   */
 446 /* IO operation functions  ****************************************************/
 447  /******* Blocking mode: Polling */
 448 HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout);
 449 HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout);
 450 HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout);
 451 HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout);
 452 HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
 453 HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout);
 454 HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout);
 455
 456  /******* Non-Blocking mode: Interrupt */
 457 HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
 458 HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
 459 HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
 460 HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
 461 HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
 462 HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
 463
 464  /******* Non-Blocking mode: DMA */
 465 HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
 466 HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size);
 467 HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
 468 HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size);
 469 HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
 470 HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size);
 471 /**
 472   * @}
 473   */
 474
 475 /** @addtogroup IRQ_Handler_and_Callbacks IRQ Handler and Callbacks
 476  * @{
 477  */
 478  /******* I2C IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
 479 void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c);
 480 void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c);
 481 void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c);
 482 void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c);
 483 void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c);
 484 void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c);
 485 void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c);
 486 void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c);
 487 void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c);
 488 /**
 489   * @}
 490   */
 491
 492 /** @addtogroup I2C_Exported_Functions_Group3 Peripheral State and Errors functions
 493   * @{
 494   */
 495 /* Peripheral State and Errors functions  *************************************/
 496 HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c);
 497 uint32_t             HAL_I2C_GetError(I2C_HandleTypeDef *hi2c);
 498
 499 /**
 500   * @}
 501   */
 502
 503 /**
 504   * @}
 505   */
 506
 507 /* Private constants ---------------------------------------------------------*/
 508 /** @defgroup I2C_Private_Constants I2C Private Constants
 509   * @{
 510   */
 511
 512 /**
 513   * @}
 514   */
 515
 516 /* Private macros ------------------------------------------------------------*/
 517 /** @defgroup I2C_Private_Macro I2C Private Macros
 518   * @{
 519   */
 520
 521 #define IS_I2C_ADDRESSING_MODE(MODE)    (((MODE) == I2C_ADDRESSINGMODE_7BIT) || \
 522                                           ((MODE) == I2C_ADDRESSINGMODE_10BIT))
 523
 524 #define IS_I2C_DUAL_ADDRESS(ADDRESS)    (((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \
 525                                           ((ADDRESS) == I2C_DUALADDRESS_ENABLE))
 526
 527 #define IS_I2C_OWN_ADDRESS2_MASK(MASK)  (((MASK) == I2C_OA2_NOMASK)  || \
 528                                           ((MASK) == I2C_OA2_MASK01) || \
 529                                           ((MASK) == I2C_OA2_MASK02) || \
 530                                           ((MASK) == I2C_OA2_MASK03) || \
 531                                           ((MASK) == I2C_OA2_MASK04) || \
 532                                           ((MASK) == I2C_OA2_MASK05) || \
 533                                           ((MASK) == I2C_OA2_MASK06) || \
 534                                           ((MASK) == I2C_OA2_MASK07))
 535
 536 #define IS_I2C_GENERAL_CALL(CALL)       (((CALL) == I2C_GENERALCALL_DISABLE) || \
 537                                           ((CALL) == I2C_GENERALCALL_ENABLE))
 538
 539 #define IS_I2C_NO_STRETCH(STRETCH)      (((STRETCH) == I2C_NOSTRETCH_DISABLE) || \
 540                                           ((STRETCH) == I2C_NOSTRETCH_ENABLE))
 541
 542 #define IS_I2C_MEMADD_SIZE(SIZE)        (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \
 543                                           ((SIZE) == I2C_MEMADD_SIZE_16BIT))
 544
 545
 546 #define IS_TRANSFER_MODE(MODE)          (((MODE) == I2C_RELOAD_MODE)   || \
 547                                           ((MODE) == I2C_AUTOEND_MODE) || \
 548                                           ((MODE) == I2C_SOFTEND_MODE))
 549
 550 #define IS_TRANSFER_REQUEST(REQUEST)    (((REQUEST) == I2C_GENERATE_STOP)         || \
 551                                           ((REQUEST) == I2C_GENERATE_START_READ)  || \
 552                                           ((REQUEST) == I2C_GENERATE_START_WRITE) || \
 553                                           ((REQUEST) == I2C_NO_STARTSTOP))
 554
 555
 556 #define __I2C_RESET_CR2(__HANDLE__)     ((__HANDLE__)->Instance->CR2 &= (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_HEAD10R | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_RD_WRN)))
 557
 558 #define IS_I2C_OWN_ADDRESS1(ADDRESS1)   ((ADDRESS1) <= (uint32_t)0x000003FF)
 559 #define IS_I2C_OWN_ADDRESS2(ADDRESS2)   ((ADDRESS2) <= (uint16_t)0x00FF)
 560
 561 #define __I2C_MEM_ADD_MSB(__ADDRESS__)  ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0xFF00))) >> 8)))
 562 #define __I2C_MEM_ADD_LSB(__ADDRESS__)  ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF))))
 563
 564 #define __I2C_GENERATE_START(__ADDMODE__,__ADDRESS__)   (((__ADDMODE__) == I2C_ADDRESSINGMODE_7BIT) ? (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_START) | (I2C_CR2_AUTOEND)) & (~I2C_CR2_RD_WRN)) : \
 565                                                           (uint32_t)((((uint32_t)(__ADDRESS__) & (I2C_CR2_SADD)) | (I2C_CR2_ADD10) | (I2C_CR2_START)) & (~I2C_CR2_RD_WRN)))
 566 /**
 567   * @}
 568   */
 569
 570 /* Private Fonctions ---------------------------------------------------------*/
 571 /** @defgroup I2C_Private_Functions I2C Private Functions
 572   * @{
 573   */
 574 /* Private functions are defined in stm32l0xx_hal_i2c.c file */
 575 /**
 576   * @}
 577   */
 578
 579 /**
 580   * @}
 581   */
 582
 583 /**
 584   * @}
 585   */
 586
 587 #ifdef __cplusplus
 588 }
 589 #endif
 590
 591
 592 #endif /* __STM32L0xx_HAL_I2C_H */
 593
 594 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 595