tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_uart.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32l0xx_hal_uart.h
   4   * @author  MCD Application Team
   5   * @version V1.2.0
   6   * @date    06-February-2015
   7   * @brief   Header file of UART 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_UART_H
  40 #define __STM32L0xx_HAL_UART_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 /** @defgroup UART UART
  54   * @{
  55   */
  56
  57 /******************************************************************************/
  58 /* Exported types ------------------------------------------------------------*/
  59 /******************************************************************************/
  60
  61    /** @defgroup UART_Exported_Types UART Exported Types
  62   * @{
  63   */
  64
  65 /** @defgroup UART_Init_Configuration UART initialization configuration structure
  66   * @{
  67   */
  68 /**
  69   * @brief UART Init Structure definition
  70   */
  71 typedef struct
  72 {
  73   uint32_t BaudRate;                  /*!< This member configures the UART communication baud rate.
  74                                            The baud rate register is computed using the following formula:
  75                                            - If oversampling is 16 or in LIN mode,
  76                                               Baud Rate Register = ((PCLKx) / ((huart->Init.BaudRate)))
  77                                            - If oversampling is 8,
  78                                               Baud Rate Register[15:4] = ((2 * PCLKx) / ((huart->Init.BaudRate)))[15:4]
  79                                               Baud Rate Register[3] =  0
  80                                               Baud Rate Register[2:0] =  (((2 * PCLKx) / ((huart->Init.BaudRate)))[3:0]) >> 1      */
  81
  82   uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
  83                                            This parameter can be a value of @ref UARTEx_Word_Length */
  84
  85   uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
  86                                            This parameter can be a value of @ref UART_Stop_Bits */
  87
  88   uint32_t Parity;                    /*!< Specifies the parity mode.
  89                                            This parameter can be a value of @ref UART_Parity
  90                                            @note When parity is enabled, the computed parity is inserted
  91                                                  at the MSB position of the transmitted data (9th bit when
  92                                                  the word length is set to 9 data bits; 8th bit when the
  93                                                  word length is set to 8 data bits). */
  94
  95   uint32_t Mode;                      /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
  96                                            This parameter can be a value of @ref UART_Mode */
  97
  98   uint32_t HwFlowCtl;                 /*!< Specifies wether the hardware flow control mode is enabled
  99                                            or disabled.
 100                                            This parameter can be a value of @ref UART_Hardware_Flow_Control */
 101
 102   uint32_t OverSampling;              /*!< Specifies wether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8).
 103                                            This parameter can be a value of @ref UART_Over_Sampling */
 104
 105   uint32_t OneBitSampling;            /*!< Specifies wether a single sample or three samples' majority vote is selected.
 106                                            Selecting the single sample method increases the receiver tolerance to clock
 107                                            deviations. This parameter can be a value of @ref UART_One_Bit */
 108 }UART_InitTypeDef;
 109 /**
 110   * @}
 111   */
 112 /** @defgroup UART_Advanced_Feature UART advanced feature structure
 113   * @{
 114   */
 115 /**
 116   * @brief  UART Advanced Features initalization structure definition
 117   */
 118 typedef struct
 119 {
 120   uint32_t AdvFeatureInit;        /*!< Specifies which advanced UART features is initialized. Several
 121                                        Advanced Features may be initialized at the same time .
 122                                        This parameter can be a value of @ref UART_Advanced_Features_Initialization_Type */
 123
 124   uint32_t TxPinLevelInvert;      /*!< Specifies whether the TX pin active level is inverted.
 125                                        This parameter can be a value of @ref UART_Tx_Inv  */
 126
 127   uint32_t RxPinLevelInvert;      /*!< Specifies whether the RX pin active level is inverted.
 128                                        This parameter can be a value of @ref UART_Rx_Inv  */
 129
 130   uint32_t DataInvert;            /*!< Specifies whether data are inverted (positive/direct logic
 131                                        vs negative/inverted logic).
 132                                        This parameter can be a value of @ref UART_Data_Inv */
 133
 134   uint32_t Swap;                  /*!< Specifies whether TX and RX pins are swapped.
 135                                        This parameter can be a value of @ref UART_Rx_Tx_Swap */
 136
 137   uint32_t OverrunDisable;        /*!< Specifies whether the reception overrun detection is disabled.
 138                                        This parameter can be a value of @ref UART_Overrun_Disable */
 139
 140   uint32_t DMADisableonRxError;   /*!< Specifies whether the DMA is disabled in case of reception error.
 141                                        This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error */
 142
 143   uint32_t AutoBaudRateEnable;    /*!< Specifies whether auto Baud rate detection is enabled.
 144                                        This parameter can be a value of @ref UART_AutoBaudRate_Enable */
 145
 146   uint32_t AutoBaudRateMode;      /*!< If auto Baud rate detection is enabled, specifies how the rate
 147                                        detection is carried out.
 148                                        This parameter can be a value of @ref UARTEx_AutoBaud_Rate_Mode */
 149
 150   uint32_t MSBFirst;              /*!< Specifies whether MSB is sent first on UART line.
 151                                        This parameter can be a value of @ref UART_MSB_First */
 152 } UART_AdvFeatureInitTypeDef;
 153 /**
 154   * @}
 155   */
 156
 157 /** @defgroup UART_State_Definition  UART state definition
 158   * @{
 159   */
 160 /**
 161   * @brief HAL UART State structures definition
 162   */
 163 typedef enum
 164 {
 165   HAL_UART_STATE_RESET             = 0x00,    /*!< Peripheral Reset state                             */
 166   HAL_UART_STATE_READY             = 0x01,    /*!< Peripheral Initialized and ready for use           */
 167   HAL_UART_STATE_BUSY              = 0x02,    /*!< an internal process is ongoing                     */
 168   HAL_UART_STATE_BUSY_TX           = 0x12,    /*!< Data Transmission process is ongoing               */
 169   HAL_UART_STATE_BUSY_RX           = 0x22,    /*!< Data Reception process is ongoing                  */
 170   HAL_UART_STATE_BUSY_TX_RX        = 0x32,    /*!< Data Transmission and Reception process is ongoing */
 171   HAL_UART_STATE_TIMEOUT           = 0x03,    /*!< Timeout state                                      */
 172   HAL_UART_STATE_ERROR             = 0x04     /*!< Error                                              */
 173 }HAL_UART_StateTypeDef;
 174 /**
 175   * @}
 176   */
 177 /** @defgroup UART_Error_Definition  UART error definition
 178   * @{
 179   */
 180 /**
 181   * @brief  HAL UART Error Code definition
 182   */
 183
 184 #define   HAL_UART_ERROR_NONE      ((uint32_t)0x00)    /*!< No error            */
 185 #define   HAL_UART_ERROR_PE        ((uint32_t)0x01)    /*!< Parity error        */
 186 #define   HAL_UART_ERROR_NE        ((uint32_t)0x02)    /*!< Noise error         */
 187 #define   HAL_UART_ERROR_FE        ((uint32_t)0x04)    /*!< frame error         */
 188 #define   HAL_UART_ERROR_ORE       ((uint32_t)0x08)    /*!< Overrun error       */
 189 #define   HAL_UART_ERROR_DMA       ((uint32_t)0x10)    /*!< DMA transfer error  */
 190
 191 /**
 192   * @}
 193   */
 194 /** @defgroup UART_Clock_SourceDefinition  UART clock source definition
 195   * @{
 196   */
 197 /**
 198   * @brief UART clock sources definition
 199   */
 200 typedef enum
 201 {
 202   UART_CLOCKSOURCE_PCLK1      = 0x00,    /*!< PCLK1 clock source  */
 203   UART_CLOCKSOURCE_PCLK2      = 0x01,    /*!< PCLK2 clock source  */
 204   UART_CLOCKSOURCE_HSI        = 0x02,    /*!< HSI clock source    */
 205   UART_CLOCKSOURCE_SYSCLK     = 0x04,    /*!< SYSCLK clock source */
 206   UART_CLOCKSOURCE_LSE        = 0x08     /*!< LSE clock source     */
 207 }UART_ClockSourceTypeDef;
 208 /**
 209   * @}
 210   */
 211 /** @defgroup UART_handle_Definition  Handle structure definition
 212   * @{
 213   */
 214 /**
 215   * @brief  UART handle Structure definition
 216   */
 217
 218 typedef struct
 219 {
 220   USART_TypeDef            *Instance;        /* UART registers base address        */
 221
 222   UART_InitTypeDef         Init;             /* UART communication parameters      */
 223
 224   UART_AdvFeatureInitTypeDef AdvancedInit;   /* UART Advanced Features initialization parameters */
 225
 226   uint8_t                  *pTxBuffPtr;      /* Pointer to UART Tx transfer Buffer */
 227
 228   uint16_t                 TxXferSize;       /* UART Tx Transfer size              */
 229
 230   uint16_t                 TxXferCount;      /* UART Tx Transfer Counter           */
 231
 232   uint8_t                  *pRxBuffPtr;      /* Pointer to UART Rx transfer Buffer */
 233
 234   uint16_t                 RxXferSize;       /* UART Rx Transfer size              */
 235
 236   uint16_t                 RxXferCount;      /* UART Rx Transfer Counter           */
 237
 238   uint16_t                 Mask;             /* UART Rx RDR register mask          */
 239
 240   DMA_HandleTypeDef        *hdmatx;          /* UART Tx DMA Handle parameters      */
 241
 242   DMA_HandleTypeDef        *hdmarx;          /* UART Rx DMA Handle parameters      */
 243
 244   HAL_LockTypeDef           Lock;            /* Locking object                     */
 245
 246   __IO HAL_UART_StateTypeDef    State;       /* UART communication state           */
 247
 248   __IO uint32_t             ErrorCode;       /* UART Error code                    */
 249
 250 }UART_HandleTypeDef;
 251 /**
 252   * @}
 253   */
 254 /**
 255   * @}
 256   */
 257
 258 /* Exported constants --------------------------------------------------------*/
 259 /** @defgroup UART_Exported_Constants UART Exported Constants
 260   * @{
 261   */
 262
 263 /** @defgroup UART_Stop_Bits UART stop bit definition
 264   * @{
 265   */
 266 #define UART_STOPBITS_1                     ((uint32_t)0x0000)
 267 #define UART_STOPBITS_2                     ((uint32_t)USART_CR2_STOP_1)
 268 #define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
 269                                     ((STOPBITS) == UART_STOPBITS_2))
 270 /**
 271   * @}
 272   */
 273
 274 /** @defgroup UART_Parity UART parity definition
 275   * @{
 276   */
 277 #define UART_PARITY_NONE                    ((uint32_t)0x0000)
 278 #define UART_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)
 279 #define UART_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
 280 #define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
 281                                 ((PARITY) == UART_PARITY_EVEN) || \
 282                                 ((PARITY) == UART_PARITY_ODD))
 283 /**
 284   * @}
 285   */
 286
 287 /** @defgroup UART_Hardware_Flow_Control UART hardware flow control definition
 288   * @{
 289   */
 290 #define UART_HWCONTROL_NONE                  ((uint32_t)0x0000)
 291 #define UART_HWCONTROL_RTS                   ((uint32_t)USART_CR3_RTSE)
 292 #define UART_HWCONTROL_CTS                   ((uint32_t)USART_CR3_CTSE)
 293 #define UART_HWCONTROL_RTS_CTS               ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
 294 #define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
 295                               (((CONTROL) == UART_HWCONTROL_NONE) || \
 296                                ((CONTROL) == UART_HWCONTROL_RTS) || \
 297                                ((CONTROL) == UART_HWCONTROL_CTS) || \
 298                                ((CONTROL) == UART_HWCONTROL_RTS_CTS))
 299 /**
 300   * @}
 301   */
 302
 303 /** @defgroup UART_Mode UART mode definition
 304   * @{
 305   */
 306 #define UART_MODE_RX                        ((uint32_t)USART_CR1_RE)
 307 #define UART_MODE_TX                        ((uint32_t)USART_CR1_TE)
 308 #define UART_MODE_TX_RX                     ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
 309 #define IS_UART_MODE(MODE) ((((MODE) & (~((uint32_t)(UART_MODE_TX_RX)))) == (uint32_t)0x00) && ((MODE) != (uint32_t)0x00))
 310 /**
 311   * @}
 312   */
 313
 314  /** @defgroup UART_State UART state enable and disable definition
 315   * @{
 316   */
 317 #define UART_STATE_DISABLE                  ((uint32_t)0x0000)
 318 #define UART_STATE_ENABLE                   ((uint32_t)USART_CR1_UE)
 319 #define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
 320                               ((STATE) == UART_STATE_ENABLE))
 321 /**
 322   * @}
 323   */
 324
 325 /** @defgroup UART_Over_Sampling UART over sampling definition
 326   * @{
 327   */
 328 #define UART_OVERSAMPLING_16                    ((uint32_t)0x0000)
 329 #define UART_OVERSAMPLING_8                     ((uint32_t)USART_CR1_OVER8)
 330 #define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
 331                                         ((SAMPLING) == UART_OVERSAMPLING_8))
 332 /**
 333   * @}
 334   */
 335
 336
 337 /** @defgroup UART_Receiver_TimeOut UART receiver timeOut definition
 338   * @{
 339   */
 340 #define UART_RECEIVER_TIMEOUT_DISABLE   ((uint32_t)0x00000000)
 341 #define UART_RECEIVER_TIMEOUT_ENABLE    ((uint32_t)USART_CR2_RTOEN)
 342 #define IS_UART_RECEIVER_TIMEOUT(TIMEOUT) (((TIMEOUT) == UART_RECEIVER_TIMEOUT_DISABLE) || \
 343                                            ((TIMEOUT) == UART_RECEIVER_TIMEOUT_ENABLE))
 344 /**
 345   * @}
 346   */
 347
 348 /** @defgroup UART_LIN UART LIN enable and disable definition
 349   * @{
 350   */
 351 #define UART_LIN_DISABLE            ((uint32_t)0x00000000)
 352 #define UART_LIN_ENABLE             ((uint32_t)USART_CR2_LINEN)
 353 #define IS_UART_LIN(LIN)            (((LIN) == UART_LIN_DISABLE) || \
 354                                      ((LIN) == UART_LIN_ENABLE))
 355 /**
 356   * @}
 357   */
 358
 359 /** @defgroup UART_LIN_Break_Detection UART LIN break detection definition
 360   * @{
 361   */
 362 #define UART_LINBREAKDETECTLENGTH_10B            ((uint32_t)0x00000000)
 363 #define UART_LINBREAKDETECTLENGTH_11B            ((uint32_t)USART_CR2_LBDL)
 364 #define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \
 365                                                  ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B))
 366 /**
 367   * @}
 368   */
 369
 370
 371
 372 /** @defgroup UART_One_Bit UART one bit definition
 373   * @{
 374   */
 375 #define UART_ONE_BIT_SAMPLE_DISABLE          ((uint32_t)0x00000000)
 376 #define UART_ONE_BIT_SAMPLE_ENABLE           ((uint32_t)USART_CR3_ONEBIT)
 377 #define IS_UART_ONE_BIT_SAMPLE(ONEBIT)       (((ONEBIT) == UART_ONE_BIT_SAMPLE_DISABLE) || \
 378                                               ((ONEBIT) == UART_ONE_BIT_SAMPLE_ENABLE))
 379 /**
 380   * @}
 381   */
 382
 383 /** @defgroup UART_DMA_Tx UART DMA Tx definition
 384   * @{
 385   */
 386 #define UART_DMA_TX_DISABLE          ((uint32_t)0x00000000)
 387 #define UART_DMA_TX_ENABLE           ((uint32_t)USART_CR3_DMAT)
 388 #define IS_UART_DMA_TX(DMATX)         (((DMATX) == UART_DMA_TX_DISABLE) || \
 389                                        ((DMATX) == UART_DMA_TX_ENABLE))
 390 /**
 391   * @}
 392   */
 393
 394 /** @defgroup UART_DMA_Rx UART DMA Rx definition
 395   * @{
 396   */
 397 #define UART_DMA_RX_DISABLE           ((uint32_t)0x0000)
 398 #define UART_DMA_RX_ENABLE            ((uint32_t)USART_CR3_DMAR)
 399 #define IS_UART_DMA_RX(DMARX)         (((DMARX) == UART_DMA_RX_DISABLE) || \
 400                                        ((DMARX) == UART_DMA_RX_ENABLE))
 401 /**
 402   * @}
 403   */
 404
 405 /** @defgroup UART_Half_Duplex_Selection UART half duplex selection definition
 406   * @{
 407   */
 408 #define UART_HALF_DUPLEX_DISABLE          ((uint32_t)0x0000)
 409 #define UART_HALF_DUPLEX_ENABLE           ((uint32_t)USART_CR3_HDSEL)
 410 #define IS_UART_HALF_DUPLEX(HDSEL)         (((HDSEL) == UART_HALF_DUPLEX_DISABLE) || \
 411                                             ((HDSEL) == UART_HALF_DUPLEX_ENABLE))
 412 /**
 413   * @}
 414   */
 415
 416 /** @defgroup UART_Flags UART flags definition
 417   *        Elements values convention: 0xXXXX
 418   *           - 0xXXXX  : Flag mask in the ISR register
 419   * @{
 420   */
 421 #define UART_FLAG_REACK                     ((uint32_t)0x00400000)
 422 #define UART_FLAG_TEACK                     ((uint32_t)0x00200000)
 423 #define UART_FLAG_WUF                       ((uint32_t)0x00100000)
 424 #define UART_FLAG_RWU                       ((uint32_t)0x00080000)
 425 #define UART_FLAG_SBKF                      ((uint32_t)0x00040000
 426 #define UART_FLAG_CMF                       ((uint32_t)0x00020000)
 427 #define UART_FLAG_BUSY                      ((uint32_t)0x00010000)
 428 #define UART_FLAG_ABRF                      ((uint32_t)0x00008000)
 429 #define UART_FLAG_ABRE                      ((uint32_t)0x00004000)
 430 #define UART_FLAG_EOBF                      ((uint32_t)0x00001000)
 431 #define UART_FLAG_RTOF                      ((uint32_t)0x00000800)
 432 #define UART_FLAG_CTS                       ((uint32_t)0x00000400)
 433 #define UART_FLAG_CTSIF                     ((uint32_t)0x00000200)
 434 #define UART_FLAG_LBDF                      ((uint32_t)0x00000100)
 435 #define UART_FLAG_TXE                       ((uint32_t)0x00000080)
 436 #define UART_FLAG_TC                        ((uint32_t)0x00000040)
 437 #define UART_FLAG_RXNE                      ((uint32_t)0x00000020)
 438 #define UART_FLAG_IDLE                      ((uint32_t)0x00000010)
 439 #define UART_FLAG_ORE                       ((uint32_t)0x00000008)
 440 #define UART_FLAG_NE                        ((uint32_t)0x00000004)
 441 #define UART_FLAG_FE                        ((uint32_t)0x00000002)
 442 #define UART_FLAG_PE                        ((uint32_t)0x00000001)
 443 /**
 444   * @}
 445   */
 446
 447 /** @defgroup UART_Interrupt_definition UART interrupt definition
 448   *        Elements values convention: 000ZZZZZ0XXYYYYYb
 449   *           - YYYYY  : Interrupt source position in the XX register (5bits)
 450   *           - XX  : Interrupt source register (2bits)
 451   *                 - 01: CR1 register
 452   *                 - 10: CR2 register
 453   *                 - 11: CR3 register
 454   *           - ZZZZZ  : Flag position in the ISR register(5bits)
 455   * @{
 456   */
 457 #define UART_IT_PE                          ((uint32_t)0x0028)
 458 #define UART_IT_TXE                         ((uint32_t)0x0727)
 459 #define UART_IT_TC                          ((uint32_t)0x0626)
 460 #define UART_IT_RXNE                        ((uint32_t)0x0525)
 461 #define UART_IT_IDLE                        ((uint32_t)0x0424)
 462 #define UART_IT_LBD                         ((uint32_t)0x0846)
 463 #define UART_IT_CTS                         ((uint32_t)0x096A)
 464 #define UART_IT_CM                          ((uint32_t)0x112E)
 465 #define UART_IT_WUF                         ((uint32_t)0x1476)
 466
 467 /**       Elements values convention: 000000000XXYYYYYb
 468   *           - YYYYY  : Interrupt source position in the XX register (5bits)
 469   *           - XX  : Interrupt source register (2bits)
 470   *                 - 01: CR1 register
 471   *                 - 10: CR2 register
 472   *                 - 11: CR3 register
 473   */
 474 #define UART_IT_ERR                         ((uint32_t)0x0060)
 475
 476 /**       Elements values convention: 0000ZZZZ00000000b
 477   *           - ZZZZ  : Flag position in the ISR register(4bits)
 478   */
 479 #define UART_IT_ORE                         ((uint32_t)0x0300)
 480 #define UART_IT_NE                          ((uint32_t)0x0200)
 481 #define UART_IT_FE                          ((uint32_t)0x0100)
 482 /**
 483   * @}
 484   */
 485
 486 /** @defgroup UART_IT_CLEAR_Flags  UART interrupt clear flags definition
 487   * @{
 488   */
 489 #define UART_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag */
 490 #define UART_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag */
 491 #define UART_CLEAR_NEF                       USART_ICR_NCF             /*!< Noise detected Clear Flag */
 492 #define UART_CLEAR_OREF                      USART_ICR_ORECF           /*!< OverRun Error Clear Flag */
 493 #define UART_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag */
 494 #define UART_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag */
 495 #define UART_CLEAR_LBDF                      USART_ICR_LBDCF           /*!< LIN Break Detection Clear Flag */
 496 #define UART_CLEAR_CTSF                      USART_ICR_CTSCF           /*!< CTS Interrupt Clear Flag */
 497 #define UART_CLEAR_RTOF                      USART_ICR_RTOCF           /*!< Receiver Time Out Clear Flag */
 498 #define UART_CLEAR_EOBF                      USART_ICR_EOBCF           /*!< End Of Block Clear Flag */
 499 #define UART_CLEAR_CMF                       USART_ICR_CMCF            /*!< Character Match Clear Flag */
 500 #define UART_CLEAR_WUF                       USART_ICR_WUCF            /*!< Wake Up from stop mode Clear Flag */
 501 /**
 502   * @}
 503   */
 504
 505 /** @defgroup UART_Request_Parameters UART request parameter definition
 506   * @{
 507   */
 508 #define UART_AUTOBAUD_REQUEST            ((uint32_t)USART_RQR_ABRRQ)        /*!< Auto-Baud Rate Request */
 509 #define UART_SENDBREAK_REQUEST           ((uint32_t)USART_RQR_SBKRQ)        /*!< Send Break Request */
 510 #define UART_MUTE_MODE_REQUEST           ((uint32_t)USART_RQR_MMRQ)         /*!< Mute Mode Request */
 511 #define UART_RXDATA_FLUSH_REQUEST        ((uint32_t)USART_RQR_RXFRQ)        /*!< Receive Data flush Request */
 512 #define UART_TXDATA_FLUSH_REQUEST        ((uint32_t)USART_RQR_TXFRQ)        /*!< Transmit data flush Request */
 513 #define IS_UART_REQUEST_PARAMETER(PARAM) (((PARAM) == UART_AUTOBAUD_REQUEST) || \
 514                                           ((PARAM) == UART_SENDBREAK_REQUEST) || \
 515                                           ((PARAM) == UART_MUTE_MODE_REQUEST) || \
 516                                           ((PARAM) == UART_RXDATA_FLUSH_REQUEST) || \
 517                                           ((PARAM) == UART_TXDATA_FLUSH_REQUEST))
 518 /**
 519   * @}
 520   */
 521
 522 /** @defgroup UART_Advanced_Features_Initialization_Type UART advanced features initialization type definition
 523   * @{
 524   */
 525 #define UART_ADVFEATURE_NO_INIT                 ((uint32_t)0x00000000)
 526 #define UART_ADVFEATURE_TXINVERT_INIT           ((uint32_t)0x00000001)
 527 #define UART_ADVFEATURE_RXINVERT_INIT           ((uint32_t)0x00000002)
 528 #define UART_ADVFEATURE_DATAINVERT_INIT         ((uint32_t)0x00000004)
 529 #define UART_ADVFEATURE_SWAP_INIT               ((uint32_t)0x00000008)
 530 #define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT   ((uint32_t)0x00000010)
 531 #define UART_ADVFEATURE_DMADISABLEONERROR_INIT  ((uint32_t)0x00000020)
 532 #define UART_ADVFEATURE_AUTOBAUDRATE_INIT       ((uint32_t)0x00000040)
 533 #define UART_ADVFEATURE_MSBFIRST_INIT           ((uint32_t)0x00000080)
 534 #define IS_UART_ADVFEATURE_INIT(INIT)           ((INIT) <= (UART_ADVFEATURE_NO_INIT | \
 535                                                             UART_ADVFEATURE_TXINVERT_INIT | \
 536                                                             UART_ADVFEATURE_RXINVERT_INIT | \
 537                                                             UART_ADVFEATURE_DATAINVERT_INIT | \
 538                                                             UART_ADVFEATURE_SWAP_INIT | \
 539                                                             UART_ADVFEATURE_RXOVERRUNDISABLE_INIT | \
 540                                                             UART_ADVFEATURE_DMADISABLEONERROR_INIT   | \
 541                                                             UART_ADVFEATURE_AUTOBAUDRATE_INIT | \
 542                                                             UART_ADVFEATURE_MSBFIRST_INIT))
 543 /**
 544   * @}
 545   */
 546
 547 /** @defgroup UART_Tx_Inv UART advanced Tx inv activation definition
 548   * @{
 549   */
 550 #define UART_ADVFEATURE_TXINV_DISABLE   ((uint32_t)0x00000000)
 551 #define UART_ADVFEATURE_TXINV_ENABLE    ((uint32_t)USART_CR2_TXINV)
 552 #define IS_UART_ADVFEATURE_TXINV(TXINV) (((TXINV) == UART_ADVFEATURE_TXINV_DISABLE) || \
 553                                          ((TXINV) == UART_ADVFEATURE_TXINV_ENABLE))
 554 /**
 555   * @}
 556   */
 557
 558 /** @defgroup UART_Rx_Inv UART advanced Rx inv activation definition
 559   * @{
 560   */
 561 #define UART_ADVFEATURE_RXINV_DISABLE   ((uint32_t)0x00000000)
 562 #define UART_ADVFEATURE_RXINV_ENABLE    ((uint32_t)USART_CR2_RXINV)
 563 #define IS_UART_ADVFEATURE_RXINV(RXINV) (((RXINV) == UART_ADVFEATURE_RXINV_DISABLE) || \
 564                                          ((RXINV) == UART_ADVFEATURE_RXINV_ENABLE))
 565 /**
 566   * @}
 567   */
 568
 569 /** @defgroup UART_Data_Inv UART advanced data inv activation definition
 570   * @{
 571   */
 572 #define UART_ADVFEATURE_DATAINV_DISABLE     ((uint32_t)0x00000000)
 573 #define UART_ADVFEATURE_DATAINV_ENABLE      ((uint32_t)USART_CR2_DATAINV)
 574 #define IS_UART_ADVFEATURE_DATAINV(DATAINV) (((DATAINV) == UART_ADVFEATURE_DATAINV_DISABLE) || \
 575                                              ((DATAINV) == UART_ADVFEATURE_DATAINV_ENABLE))
 576 /**
 577   * @}
 578   */
 579
 580 /** @defgroup UART_Rx_Tx_Swap UART advanced swap activation definition
 581   * @{
 582   */
 583 #define UART_ADVFEATURE_SWAP_DISABLE   ((uint32_t)0x00000000)
 584 #define UART_ADVFEATURE_SWAP_ENABLE    ((uint32_t)USART_CR2_SWAP)
 585 #define IS_UART_ADVFEATURE_SWAP(SWAP) (((SWAP) == UART_ADVFEATURE_SWAP_DISABLE) || \
 586                                        ((SWAP) == UART_ADVFEATURE_SWAP_ENABLE))
 587 /**
 588   * @}
 589   */
 590
 591 /** @defgroup UART_Overrun_Disable UART advanced overrun activation definition
 592   * @{
 593   */
 594 #define UART_ADVFEATURE_OVERRUN_ENABLE   ((uint32_t)0x00000000)
 595 #define UART_ADVFEATURE_OVERRUN_DISABLE  ((uint32_t)USART_CR3_OVRDIS)
 596 #define IS_UART_OVERRUN(OVERRUN)         (((OVERRUN) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
 597                                           ((OVERRUN) == UART_ADVFEATURE_OVERRUN_DISABLE))
 598 /**
 599   * @}
 600   */
 601
 602 /** @defgroup UART_AutoBaudRate_Enable UART advanced auto baud rate activation definition
 603   * @{
 604   */
 605 #define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE           ((uint32_t)0x00000000)
 606 #define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE            ((uint32_t)USART_CR2_ABREN)
 607 #define IS_UART_ADVFEATURE_AUTOBAUDRATE(AUTOBAUDRATE)  (((AUTOBAUDRATE) == UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
 608                                                         ((AUTOBAUDRATE) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
 609 /**
 610   * @}
 611   */
 612
 613 /** @defgroup UART_DMA_Disable_on_Rx_Error UART advanced DMA on Rx error activation definition
 614   * @{
 615   */
 616 #define UART_ADVFEATURE_DMA_ENABLEONRXERROR       ((uint32_t)0x00000000)
 617 #define UART_ADVFEATURE_DMA_DISABLEONRXERROR      ((uint32_t)USART_CR3_DDRE)
 618 #define IS_UART_ADVFEATURE_DMAONRXERROR(DMA)      (((DMA) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
 619                                                    ((DMA) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
 620 /**
 621   * @}
 622   */
 623
 624 /** @defgroup UART_MSB_First  UART advanced MSB first activation definition
 625   * @{
 626   */
 627 #define UART_ADVFEATURE_MSBFIRST_DISABLE      ((uint32_t)0x00000000)
 628 #define UART_ADVFEATURE_MSBFIRST_ENABLE       ((uint32_t)USART_CR2_MSBFIRST)
 629 #define IS_UART_ADVFEATURE_MSBFIRST(MSBFIRST) (((MSBFIRST) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
 630                                                ((MSBFIRST) == UART_ADVFEATURE_MSBFIRST_ENABLE))
 631 /**
 632   * @}
 633   */
 634
 635 /** @defgroup UART_Stop_Mode_Enable UART advanced stop mode activation definition
 636   * @{
 637   */
 638 #define UART_ADVFEATURE_STOPMODE_DISABLE      ((uint32_t)0x00000000)
 639 #define UART_ADVFEATURE_STOPMODE_ENABLE       ((uint32_t)USART_CR1_UESM)
 640 #define IS_UART_ADVFEATURE_STOPMODE(STOPMODE) (((STOPMODE) == UART_ADVFEATURE_STOPMODE_DISABLE) || \
 641                                                ((STOPMODE) == UART_ADVFEATURE_STOPMODE_ENABLE))
 642 /**
 643   * @}
 644   */
 645
 646 /** @defgroup UART_Mute_Mode UART advanced mute mode activation definition
 647   * @{
 648   */
 649 #define UART_ADVFEATURE_MUTEMODE_DISABLE    ((uint32_t)0x00000000)
 650 #define UART_ADVFEATURE_MUTEMODE_ENABLE    ((uint32_t)USART_CR1_MME)
 651 #define IS_UART_MUTE_MODE(MUTE)           (((MUTE) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
 652                                            ((MUTE) == UART_ADVFEATURE_MUTEMODE_ENABLE))
 653 /**
 654   * @}
 655   */
 656
 657 /** @defgroup UART_CR2_ADDRESS_LSBPOS UART CR2 address lsb position definition
 658   * @{
 659   */
 660 #define UART_CR2_ADDRESS_LSB_POS            ((uint32_t) 24)
 661 /**
 662   * @}
 663   */
 664
 665 /** @defgroup UART_WakeUp_from_Stop_Selection UART wake up mode selection definition
 666   * @{
 667   */
 668 #define UART_WAKEUP_ON_ADDRESS           ((uint32_t)0x0000)
 669 #define UART_WAKEUP_ON_STARTBIT          ((uint32_t)USART_CR3_WUS_1)
 670 #define UART_WAKEUP_ON_READDATA_NONEMPTY ((uint32_t)USART_CR3_WUS)
 671 #define IS_UART_WAKEUP_SELECTION(WAKE)   (((WAKE) == UART_WAKEUP_ON_ADDRESS) || \
 672                                           ((WAKE) == UART_WAKEUP_ON_STARTBIT) || \
 673                                           ((WAKE) == UART_WAKEUP_ON_READDATA_NONEMPTY))
 674 /**
 675   * @}
 676   */
 677
 678 /** @defgroup UART_DriverEnable_Polarity UART driver polarity level definition
 679   * @{
 680   */
 681 #define UART_DE_POLARITY_HIGH            ((uint32_t)0x00000000)
 682 #define UART_DE_POLARITY_LOW             ((uint32_t)USART_CR3_DEP)
 683 #define IS_UART_DE_POLARITY(POLARITY)    (((POLARITY) == UART_DE_POLARITY_HIGH) || \
 684                                           ((POLARITY) == UART_DE_POLARITY_LOW))
 685 /**
 686   * @}
 687   */
 688
 689 /** @defgroup UART_CR1_DEAT_ADDRESS_LSBPOS  UART CR1 DEAT address lsb position definition
 690   * @{
 691   */
 692 #define UART_CR1_DEAT_ADDRESS_LSB_POS            ((uint32_t) 21)
 693 /**
 694   * @}
 695   */
 696
 697 /** @defgroup UART_CR1_DEDT_ADDRESS_LSBPOS UART CR1 DEDT address lsb position definition
 698   * @{
 699   */
 700 #define UART_CR1_DEDT_ADDRESS_LSB_POS            ((uint32_t) 16)
 701 /**
 702   * @}
 703   */
 704
 705 /** @defgroup UART_Interruption_Mask UART interruption mask definition
 706   * @{
 707   */
 708 #define UART_IT_MASK                             ((uint32_t)0x001F)
 709 /**
 710   * @}
 711   */
 712
 713 /**
 714   * @}
 715   */
 716
 717 /* Exported macro ------------------------------------------------------------*/
 718 /** @defgroup UART_Exported_Macros UART Exported Macros
 719   * @{
 720   */
 721
 722 /** @brief Reset UART handle state
 723   * @param  __HANDLE__: specifies the UART Handle.
 724   *         The Handle Instance which can be USART1, USART2 or LPUART.
 725   * @retval None
 726   */
 727 #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_UART_STATE_RESET)
 728
 729 /** @brief  Flush the UART Data registers
 730   * @param  __HANDLE__: specifies the UART Handle.
 731   */
 732 #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__)  \
 733   do{                \
 734       SET_BIT((__HANDLE__)->Instance->RQR, UART_RXDATA_FLUSH_REQUEST); \
 735       SET_BIT((__HANDLE__)->Instance->RQR, UART_TXDATA_FLUSH_REQUEST); \
 736     } while(0)
 737
 738
 739 /** @brief  Clears the specified UART pending flag.
 740   * @param  __HANDLE__: specifies the UART Handle.
 741   * @param  __FLAG__: specifies the flag to check.
 742   *          This parameter can be any combination of the following values:
 743   *            @arg UART_CLEAR_PEF
 744   *            @arg UART_CLEAR_FEF
 745   *            @arg UART_CLEAR_NEF
 746   *            @arg UART_CLEAR_OREF
 747   *            @arg UART_CLEAR_IDLEF
 748   *            @arg UART_CLEAR_TCF
 749   *            @arg UART_CLEAR_LBDF
 750   *            @arg UART_CLEAR_CTSF
 751   *            @arg UART_CLEAR_RTOF
 752   *            @arg UART_CLEAR_EOBF
 753   *            @arg UART_CLEAR_CMF
 754   *            @arg UART_CLEAR_WUF
 755   * @retval None
 756   */
 757 #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = ~(__FLAG__))
 758
 759 /** @brief  Clear the UART PE pending flag.
 760   * @param  __HANDLE__: specifies the UART Handle.
 761   * @retval None
 762   */
 763 #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG(__HANDLE__,UART_CLEAR_PEF)
 764
 765 /** @brief  Clear the UART FE pending flag.
 766   * @param  __HANDLE__: specifies the UART Handle.
 767   * @retval None
 768   */
 769 #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG(__HANDLE__,UART_CLEAR_FEF)
 770
 771 /** @brief  Clear the UART NE pending flag.
 772   * @param  __HANDLE__: specifies the UART Handle.
 773   * @retval None
 774   */
 775 #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__)  __HAL_UART_CLEAR_FLAG(__HANDLE__,UART_CLEAR_NEF)
 776
 777 /** @brief  Clear the UART ORE pending flag.
 778   * @param  __HANDLE__: specifies the UART Handle.
 779   * @retval None
 780   */
 781 #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG(__HANDLE__,UART_CLEAR_OREF)
 782
 783 /** @brief  Clear the UART IDLE pending flag.
 784   * @param  __HANDLE__: specifies the UART Handle.
 785   * @retval None
 786   */
 787 #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__)   __HAL_UART_CLEAR_FLAG(__HANDLE__,UART_CLEAR_IDLEF)
 788
 789 /** @brief  Checks whether the specified UART flag is set or not.
 790   * @param  __HANDLE__: specifies the UART Handle.
 791   *         This parameter can be USART1, USART2 or LPUART.
 792   * @param  __FLAG__: specifies the flag to check.
 793   *        This parameter can be one of the following values:
 794   *            @arg UART_FLAG_REACK: Receive enable ackowledge flag
 795   *            @arg UART_FLAG_TEACK: Transmit enable ackowledge flag
 796   *            @arg UART_FLAG_WUF:   Wake up from stop mode flag
 797   *            @arg UART_FLAG_RWU:   Receiver wake up flag (is the UART in mute mode)
 798   *            @arg UART_FLAG_SBKF:  Send Break flag
 799   *            @arg UART_FLAG_CMF:   Character match flag
 800   *            @arg UART_FLAG_BUSY:  Busy flag
 801   *            @arg UART_FLAG_ABRF:  Auto Baud rate detection flag
 802   *            @arg UART_FLAG_ABRE:  Auto Baud rate detection error flag
 803   *            @arg UART_FLAG_EOBF:  End of block flag
 804   *            @arg UART_FLAG_RTOF:  Receiver timeout flag
 805   *            @arg UART_FLAG_CTS:   CTS Change flag (not available for UART4 and UART5)
 806   *            @arg UART_FLAG_LBD:   LIN Break detection flag
 807   *            @arg UART_FLAG_TXE:   Transmit data register empty flag
 808   *            @arg UART_FLAG_TC:    Transmission Complete flag
 809   *            @arg UART_FLAG_RXNE:  Receive data register not empty flag
 810   *            @arg UART_FLAG_IDLE:  Idle Line detection flag
 811   *            @arg UART_FLAG_ORE:   OverRun Error flag
 812   *            @arg UART_FLAG_NE:    Noise Error flag
 813   *            @arg UART_FLAG_FE:    Framing Error flag
 814   *            @arg UART_FLAG_PE:    Parity Error flag
 815   * @retval The new state of __FLAG__ (TRUE or FALSE).
 816   */
 817 #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
 818
 819 /** @brief  Enables the specified UART interrupt.
 820   * @param  __HANDLE__: specifies the UART Handle.
 821   *         This parameter can be USART1, USART2 or LPUART.
 822   * @param  __INTERRUPT__: specifies the UART interrupt source to enable.
 823   *          This parameter can be one of the following values:
 824   *            @arg UART_IT_WUF:  Wakeup from stop mode interrupt
 825   *            @arg UART_IT_CM:   Character match interrupt
 826   *            @arg UART_IT_CTS:  CTS change interrupt
 827   *            @arg UART_IT_LBD:  LIN Break detection interrupt
 828   *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
 829   *            @arg UART_IT_TC:   Transmission complete interrupt
 830   *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
 831   *            @arg UART_IT_IDLE: Idle line detection interrupt
 832   *            @arg UART_IT_PE:   Parity Error interrupt
 833   *            @arg UART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
 834   * @retval None
 835   */
 836 #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (((((uint8_t)(__INTERRUPT__)) >> 5) == 1)? ((__HANDLE__)->Instance->CR1 |= (1 << ((__INTERRUPT__) & UART_IT_MASK))): \
 837                                                        ((((uint8_t)(__INTERRUPT__)) >> 5) == 2)? ((__HANDLE__)->Instance->CR2 |= (1 << ((__INTERRUPT__) & UART_IT_MASK))): \
 838                                                        ((__HANDLE__)->Instance->CR3 |= (1 << ((__INTERRUPT__) & UART_IT_MASK))))
 839
 840 /** @brief  Disables the specified UART interrupt.
 841   * @param  __HANDLE__: specifies the UART Handle.
 842   *         This parameter can be USART1, USART2 or LPUART.
 843   * @param  __INTERRUPT__: specifies the UART interrupt source to disable.
 844   *          This parameter can be one of the following values:
 845   *            @arg UART_IT_WUF:  Wakeup from stop mode interrupt
 846   *            @arg UART_IT_CM:   Character match interrupt
 847   *            @arg UART_IT_CTS:  CTS change interrupt
 848   *            @arg UART_IT_LBD:  LIN Break detection interrupt
 849   *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
 850   *            @arg UART_IT_TC:   Transmission complete interrupt
 851   *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
 852   *            @arg UART_IT_IDLE: Idle line detection interrupt
 853   *            @arg UART_IT_PE:   Parity Error interrupt
 854   *            @arg UART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
 855   * @retval None
 856   */
 857 #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (((((uint8_t)(__INTERRUPT__)) >> 5) == 1)? ((__HANDLE__)->Instance->CR1 &= ~ ((uint32_t)1 << ((__INTERRUPT__) & UART_IT_MASK))): \
 858                                                        ((((uint8_t)(__INTERRUPT__)) >> 5) == 2)? ((__HANDLE__)->Instance->CR2 &= ~ ((uint32_t)1 << ((__INTERRUPT__) & UART_IT_MASK))): \
 859                                                        ((__HANDLE__)->Instance->CR3 &= ~ ((uint32_t)1 << ((__INTERRUPT__) & UART_IT_MASK))))
 860
 861 /** @brief  Checks whether the specified UART interrupt has occurred or not.
 862   * @param  __HANDLE__: specifies the UART Handle.
 863   *         This parameter can be USART1, USART2 or LPUART.
 864   * @param  __IT__: specifies the UART interrupt to check.
 865   *          This parameter can be one of the following values:
 866   *            @arg UART_IT_WUF:  Wakeup from stop mode interrupt
 867   *            @arg UART_IT_CM:   Character match interrupt
 868   *            @arg UART_IT_CTS:  CTS change interrupt (not available for UART4 and UART5)
 869   *            @arg UART_IT_LBD:  LIN Break detection interrupt
 870   *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
 871   *            @arg UART_IT_TC:   Transmission complete interrupt
 872   *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
 873   *            @arg UART_IT_IDLE: Idle line detection interrupt
 874   *            @arg UART_IT_ORE:  OverRun Error interrupt
 875   *            @arg UART_IT_NE:   Noise Error interrupt
 876   *            @arg UART_IT_FE:   Framing Error interrupt
 877   *            @arg UART_IT_PE:   Parity Error interrupt
 878   * @retval The new state of __IT__ (TRUE or FALSE).
 879   */
 880 #define __HAL_UART_GET_IT(__HANDLE__, __IT__) ((__HANDLE__)->Instance->ISR & ((uint32_t)1 << ((__IT__)>> 0x08)))
 881
 882 /** @brief  Checks whether the specified UART interrupt source is enabled.
 883   * @param  __HANDLE__: specifies the UART Handle.
 884   *         This parameter can be USART1, USART2 or LPUART.
 885   * @param  __IT__: specifies the UART interrupt source to check.
 886   *          This parameter can be one of the following values:
 887   *            @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5)
 888   *            @arg UART_IT_LBD: LIN Break detection interrupt
 889   *            @arg UART_IT_TXE: Transmit Data Register empty interrupt
 890   *            @arg UART_IT_TC:  Transmission complete interrupt
 891   *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
 892   *            @arg UART_IT_IDLE: Idle line detection interrupt
 893   *            @arg UART_IT_ORE: OverRun Error interrupt
 894   *            @arg UART_IT_NE: Noise Error interrupt
 895   *            @arg UART_IT_FE: Framing Error interrupt
 896   *            @arg UART_IT_PE: Parity Error interrupt
 897   * @retval The new state of __IT__ (TRUE or FALSE).
 898   */
 899 #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) ((((((uint8_t)(__IT__)) >> 5) == 1)? (__HANDLE__)->Instance->CR1:(((((uint8_t)(__IT__)) >> 5) == 2)? \
 900                                                        (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & ((uint32_t)1 << (((uint16_t)(__IT__)) & UART_IT_MASK)))
 901
 902 /** @brief  Clears the specified UART ISR flag, in setting the proper ICR register flag.
 903   * @param  __HANDLE__: specifies the UART Handle.
 904   *         This parameter can be USART1, USART2 or LPUART.
 905   * @param  __IT_CLEAR__: specifies the interrupt clear register flag that needs to be set
 906   *                       to clear the corresponding interrupt
 907   *          This parameter can be one of the following values:
 908   *            @arg UART_CLEAR_PEF: Parity Error Clear Flag
 909   *            @arg UART_CLEAR_FEF: Framing Error Clear Flag
 910   *            @arg UART_CLEAR_NEF: Noise detected Clear Flag
 911   *            @arg UART_CLEAR_OREF: OverRun Error Clear Flag
 912   *            @arg UART_CLEAR_IDLEF: IDLE line detected Clear Flag
 913   *            @arg UART_CLEAR_TCF: Transmission Complete Clear Flag
 914   *            @arg UART_CLEAR_LBDF: LIN Break Detection Clear Flag
 915   *            @arg UART_CLEAR_CTSF: CTS Interrupt Clear Flag
 916   *            @arg UART_CLEAR_RTOF: Receiver Time Out Clear Flag
 917   *            @arg UART_CLEAR_EOBF: End Of Block Clear Flag
 918   *            @arg UART_CLEAR_CMF: Character Match Clear Flag
 919   *            @arg UART_CLEAR_WUF:  Wake Up from stop mode Clear Flag
 920   * @retval None
 921   */
 922 #define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__))
 923
 924 /** @brief  Set a specific UART request flag.
 925   * @param  __HANDLE__: specifies the UART Handle.
 926   *         This parameter can be USART1, USART2 or LPUART.
 927   * @param  __REQ__: specifies the request flag to set
 928   *          This parameter can be one of the following values:
 929   *            @arg UART_AUTOBAUD_REQUEST: Auto-Baud Rate Request
 930   *            @arg UART_SENDBREAK_REQUEST: Send Break Request
 931   *            @arg UART_MUTE_MODE_REQUEST: Mute Mode Request
 932   *            @arg UART_RXDATA_FLUSH_REQUEST: Receive Data flush Request
 933   *            @arg UART_TXDATA_FLUSH_REQUEST: Transmit data flush Request
 934   * @retval None
 935   */
 936 #define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint32_t)(__REQ__))
 937
 938 /** @brief  Enables the UART one bit sample method
 939   * @param  __HANDLE__: specifies the UART Handle.
 940   * @retval None
 941   */
 942 #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
 943
 944 /** @brief  Disables the UART one bit sample method
 945   * @param  __HANDLE__: specifies the UART Handle.
 946   * @retval None
 947   */
 948 #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_ONEBIT))
 949
 950 /** @brief  Enable UART
 951   * @param  __HANDLE__: specifies the UART Handle.
 952   *         The Handle Instance can be USART1, USART2 or LPUART.
 953   * @retval None
 954   */
 955 #define __HAL_UART_ENABLE(__HANDLE__)                   ((__HANDLE__)->Instance->CR1 |=  USART_CR1_UE)
 956
 957 /** @brief  Disable UART
 958   * @param  __HANDLE__: specifies the UART Handle.
 959   *         The Handle Instance can be USART1, USART2 or LPUART.
 960   * @retval None
 961   */
 962 #define __HAL_UART_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR1 &=  ~USART_CR1_UE)
 963
 964 /** @brief  Enable CTS flow control
 965   *         This macro allows to enable CTS hardware flow control for a given UART instance,
 966   *         without need to call HAL_UART_Init() function.
 967   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
 968   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
 969   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
 970   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
 971   *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
 972   *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
 973   * @param  __HANDLE__: specifies the UART Handle.
 974   *         The Handle Instance can be USART1, USART2 or LPUART.
 975   * @retval None
 976   */
 977 #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__)        \
 978   do{                                                      \
 979     SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE);  \
 980     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE;        \
 981   } while(0)
 982
 983 /** @brief  Disable CTS flow control
 984   *         This macro allows to disable CTS hardware flow control for a given UART instance,
 985   *         without need to call HAL_UART_Init() function.
 986   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
 987   * @note   As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
 988   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
 989   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
 990   *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
 991   *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
 992   * @param  __HANDLE__: specifies the UART Handle.
 993   *         The Handle Instance can be USART1, USART2 or LPUART.
 994   * @retval None
 995   */
 996 #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__)        \
 997   do{                                                       \
 998     CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
 999     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE);      \
1000   } while(0)
1001
1002 /** @brief  Enable RTS flow control
1003   *         This macro allows to enable RTS hardware flow control for a given UART instance,
1004   *         without need to call HAL_UART_Init() function.
1005   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1006   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1007   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1008   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1009   *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
1010   *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
1011   * @param  __HANDLE__: specifies the UART Handle.
1012   *         The Handle Instance can be USART1, USART2 or LPUART.
1013   * @retval None
1014   */
1015 #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__)       \
1016   do{                                                     \
1017     SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
1018     (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE;       \
1019   } while(0)
1020
1021 /** @brief  Disable RTS flow control
1022   *         This macro allows to disable RTS hardware flow control for a given UART instance,
1023   *         without need to call HAL_UART_Init() function.
1024   *         As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
1025   * @note   As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
1026   *         for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
1027   *           - UART instance should have already been initialised (through call of HAL_UART_Init() )
1028   *           - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
1029   *             and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
1030   * @param  __HANDLE__: specifies the UART Handle.
1031   *         The Handle Instance can be USART1, USART2 or LPUART.
1032   * @retval None
1033   */
1034 #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__)       \
1035   do{                                                      \
1036     CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
1037     (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE);     \
1038   } while(0)
1039
1040 /** @brief  macros to enables or disables the UART's one bit sampling method
1041   * @param  __HANDLE__: specifies the UART Handle.
1042   * @retval None
1043   */
1044 #define __HAL_UART_ONE_BIT_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
1045 #define __HAL_UART_ONE_BIT_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
1046
1047
1048 /** @brief  BRR division operation to set BRR register with LPUART
1049   * @param  _PCLK_: LPUART clock
1050   * @param  _BAUD_: Baud rate set by the user
1051   * @retval Division result
1052   */
1053 #define __DIV_LPUART(_PCLK_, _BAUD_)                (((_PCLK_)*256)/((_BAUD_)))
1054
1055 /** @brief  BRR division operation to set BRR register in 8-bit oversampling mode
1056   * @param  _PCLK_: UART clock
1057   * @param  _BAUD_: Baud rate set by the user
1058   * @retval Division result
1059   */
1060 #define UART_DIV_SAMPLING8(_PCLK_, _BAUD_)             (((_PCLK_)*2)/((_BAUD_)))
1061
1062 /** @brief  BRR division operation to set BRR register in 16-bit oversampling mode
1063   * @param  _PCLK_: UART clock
1064   * @param  _BAUD_: Baud rate set by the user
1065   * @retval Division result
1066   */
1067 #define UART_DIV_SAMPLING16(_PCLK_, _BAUD_)             (((_PCLK_))/((_BAUD_)))
1068
1069 /** @brief  Check UART Baud rate
1070   * @param  BAUDRATE: Baudrate specified by the user
1071   *         The maximum Baud Rate is derived from the maximum clock on L0 (i.e. 32 MHz)
1072   *         divided by the smallest oversampling used on the USART (i.e. 8)
1073   * @retval Test result (TRUE or FALSE).
1074   */
1075 #define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 4000001)
1076
1077 /** @brief  Check UART byte address
1078   * @param  ADDRESS: UART 8-bit address for wake-up process scheme
1079   * @retval Test result (TRUE or FALSE).
1080   */
1081 #define IS_UART_7B_ADDRESS(ADDRESS) ((ADDRESS) <= 0x7F)
1082
1083 /** @brief  Check UART 4-bit address
1084   * @param  ADDRESS: UART 4-bit address for wake-up process scheme
1085   * @retval Test result (TRUE or FALSE).
1086   */
1087 #define IS_UART_4B_ADDRESS(ADDRESS) ((ADDRESS) <= 0xF)
1088
1089 /** @brief  Check UART assertion time
1090   * @param  TIME: 5-bit value assertion time
1091   * @retval Test result (TRUE or FALSE).
1092   */
1093 #define IS_UART_ASSERTIONTIME(TIME)    ((TIME) <= 0x1F)
1094
1095 /** @brief  Check UART deassertion time
1096   * @param  TIME: 5-bit value deassertion time
1097   * @retval Test result (TRUE or FALSE).
1098   */
1099 #define IS_UART_DEASSERTIONTIME(TIME) ((TIME) <= 0x1F)
1100
1101 /**
1102   * @}
1103   */
1104 /* Include UART HAL Extension module */
1105 #include "stm32l0xx_hal_uart_ex.h"
1106
1107 /******************************************************************************/
1108 /* Exported functions --------------------------------------------------------*/
1109 /******************************************************************************/
1110
1111 /* Exported functions --------------------------------------------------------*/
1112 /** @defgroup UART_Exported_Functions UART Exported Functions
1113   * @{
1114   */
1115 /* Initialization/de-initialization functions  ********************************/
1116 /** @defgroup UART_Exported_Functions_Group1 Initialization/de-initialization methods
1117  *  @{
1118  */
1119 HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
1120 HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
1121 HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
1122 HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
1123 HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart);
1124 void HAL_UART_MspInit(UART_HandleTypeDef *huart);
1125 void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
1126 /**
1127   * @}
1128   */
1129
1130 /* IO operation functions *****************************************************/
1131 /** @defgroup UART_Exported_Functions_Group2 IO operation functions
1132  *  @{
1133  */
1134 HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
1135 HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
1136 HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1137 HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1138 HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1139 HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
1140 HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
1141 HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
1142 HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
1143 void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
1144 void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
1145 void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
1146 void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
1147 void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
1148 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
1149 /**
1150   * @}
1151   */
1152 /* Peripheral Control and State functions  ************************************/
1153 /** @defgroup UART_Exported_Functions_Group3 Peripheral Control funtions
1154  *  @{
1155  */
1156 HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
1157 HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
1158 void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
1159 HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
1160 HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
1161 HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
1162 HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
1163 uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart);
1164 /**
1165   * @}
1166   */
1167 void UART_SetConfig(UART_HandleTypeDef *huart);
1168 HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
1169 HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Timeout);
1170 void UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
1171
1172 /**
1173   * @}
1174   */
1175
1176 /**
1177   * @}
1178   */
1179 /**
1180   * @}
1181   */
1182
1183 #ifdef __cplusplus
1184 }
1185 #endif
1186
1187 #endif /* __STM32L0xx_HAL_UART_H */
1188
1189 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/