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Revision:
85:024bf7f99721
Child:
92:4fc01daae5a5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_F072RB/stm32f0xx_hal_usart.h	Wed Jun 11 15:14:05 2014 +0100
@@ -0,0 +1,560 @@
+/**
+  ******************************************************************************
+  * @file    stm32f0xx_hal_usart.h
+  * @author  MCD Application Team
+  * @version V1.0.0
+  * @date    28-May-2014
+  * @brief   Header file of USART HAL module.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************  
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __STM32F0xx_HAL_USART_H
+#define __STM32F0xx_HAL_USART_H
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_hal_def.h"
+
+/** @addtogroup STM32F0xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup USART
+  * @{
+  */ 
+
+/* Exported types ------------------------------------------------------------*/ 
+
+/** 
+  * @brief USART Init Structure definition  
+  */ 
+typedef struct
+{
+  uint32_t BaudRate;                  /*!< This member configures the Usart communication baud rate.
+                                           The baud rate is computed using the following formula:
+                                              Baud Rate Register = ((PCLKx) / ((huart->Init.BaudRate))) */
+
+  uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
+                                           This parameter can be a value of @ref USARTEx_Word_Length */
+
+  uint16_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
+                                           This parameter can be a value of @ref USART_Stop_Bits */
+
+  uint16_t Parity;                   /*!< Specifies the parity mode.
+                                           This parameter can be a value of @ref USART_Parity
+                                           @note When parity is enabled, the computed parity is inserted
+                                                 at the MSB position of the transmitted data (9th bit when
+                                                 the word length is set to 9 data bits; 8th bit when the
+                                                 word length is set to 8 data bits). */
+ 
+  uint16_t Mode;                      /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
+                                           This parameter can be a value of @ref USART_Mode */
+
+  uint16_t CLKPolarity;               /*!< Specifies the steady state of the serial clock.
+                                           This parameter can be a value of @ref USART_Clock_Polarity */
+
+  uint16_t CLKPhase;                  /*!< Specifies the clock transition on which the bit capture is made.
+                                           This parameter can be a value of @ref USART_Clock_Phase */
+
+  uint16_t CLKLastBit;                /*!< Specifies whether the clock pulse corresponding to the last transmitted
+                                           data bit (MSB) has to be output on the SCLK pin in synchronous mode.
+                                           This parameter can be a value of @ref USART_Last_Bit */
+}USART_InitTypeDef;
+
+/** 
+  * @brief HAL State structures definition  
+  */ 
+typedef enum
+{
+  HAL_USART_STATE_RESET             = 0x00,    /*!< Peripheral is not initialized   */
+  HAL_USART_STATE_READY             = 0x01,    /*!< Peripheral Initialized and ready for use */
+  HAL_USART_STATE_BUSY              = 0x02,    /*!< an internal process is ongoing */   
+  HAL_USART_STATE_BUSY_TX           = 0x12,    /*!< Data Transmission process is ongoing */ 
+  HAL_USART_STATE_BUSY_RX           = 0x22,    /*!< Data Reception process is ongoing */
+  HAL_USART_STATE_BUSY_TX_RX        = 0x32,    /*!< Data Transmission Reception process is ongoing */
+  HAL_USART_STATE_TIMEOUT           = 0x03,    /*!< Timeout state */
+  HAL_USART_STATE_ERROR             = 0x04     /*!< Error */      
+}HAL_USART_StateTypeDef;
+
+/** 
+  * @brief  HAL USART Error Code structure definition  
+  */ 
+typedef enum
+{
+  HAL_USART_ERROR_NONE      = 0x00,    /*!< No error            */
+  HAL_USART_ERROR_PE        = 0x01,    /*!< Parity error        */
+  HAL_USART_ERROR_NE        = 0x02,    /*!< Noise error         */
+  HAL_USART_ERROR_FE        = 0x04,    /*!< frame error         */
+  HAL_USART_ERROR_ORE       = 0x08,    /*!< Overrun error       */
+  HAL_USART_ERROR_DMA       = 0x10     /*!< DMA transfer error  */
+}HAL_USART_ErrorTypeDef;
+
+/** 
+  * @brief  USART clock sources definitions
+  */
+typedef enum
+{
+  USART_CLOCKSOURCE_PCLK1     = 0x00, /*!< PCLK1 clock source     */
+  USART_CLOCKSOURCE_HSI       = 0x02, /*!< HSI clock source       */
+  USART_CLOCKSOURCE_SYSCLK    = 0x04, /*!< SYSCLK clock source    */
+  USART_CLOCKSOURCE_LSE       = 0x08, /*!< LSE clock source       */
+  USART_CLOCKSOURCE_UNDEFINED = 0x10  /*!< undefined clock source */  
+}USART_ClockSourceTypeDef;
+
+/** 
+  * @brief  USART handle Structure definition  
+  */  
+typedef struct
+{
+  USART_TypeDef                 *Instance;        /* USART registers base address        */
+  
+  USART_InitTypeDef             Init;             /* USART communication parameters      */
+  
+  uint8_t                       *pTxBuffPtr;      /* Pointer to USART Tx transfer Buffer */
+  
+  uint16_t                      TxXferSize;       /* USART Tx Transfer size              */
+  
+  uint16_t                      TxXferCount;      /* USART Tx Transfer Counter           */
+  
+  uint8_t                       *pRxBuffPtr;      /* Pointer to USART Rx transfer Buffer */
+  
+  uint16_t                      RxXferSize;       /* USART Rx Transfer size              */
+  
+  uint16_t                      RxXferCount;      /* USART Rx Transfer Counter           */
+  
+  uint16_t                      Mask;             /* USART Rx RDR register mask          */
+  
+  DMA_HandleTypeDef             *hdmatx;          /* USART Tx DMA Handle parameters      */
+    
+  DMA_HandleTypeDef             *hdmarx;          /* USART Rx DMA Handle parameters      */
+  
+  HAL_LockTypeDef                Lock;            /* Locking object                      */
+  
+  HAL_USART_StateTypeDef         State;           /* USART communication state           */
+  
+  HAL_USART_ErrorTypeDef         ErrorCode;       /* USART Error code                    */
+  
+}USART_HandleTypeDef;
+
+
+/* Exported constants --------------------------------------------------------*/
+
+/** @defgroup USART_Exported_Constants
+  * @{
+  */
+
+/** @defgroup USART_Stop_Bits  USART Number of Stop Bits
+  * @{
+  */
+#define USART_STOPBITS_1                     ((uint16_t)0x0000)
+#define USART_STOPBITS_0_5                   ((uint16_t)USART_CR2_STOP_0)
+#define USART_STOPBITS_2                     ((uint16_t)USART_CR2_STOP_1)
+#define USART_STOPBITS_1_5                   ((uint16_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
+#define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \
+                                         ((STOPBITS) == USART_STOPBITS_0_5) || \
+                                         ((STOPBITS) == USART_STOPBITS_1_5) || \
+                                         ((STOPBITS) == USART_STOPBITS_2))
+/**
+  * @}
+  */ 
+
+/** @defgroup USART_Parity    USART Parity
+  * @{
+  */ 
+#define USART_PARITY_NONE                    ((uint16_t)0x0000)
+#define USART_PARITY_EVEN                    ((uint16_t)USART_CR1_PCE)
+#define USART_PARITY_ODD                     ((uint16_t)(USART_CR1_PCE | USART_CR1_PS)) 
+#define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \
+                                     ((PARITY) == USART_PARITY_EVEN) || \
+                                     ((PARITY) == USART_PARITY_ODD))
+/**
+  * @}
+  */ 
+
+/** @defgroup USART_Mode   USART Mode
+  * @{
+  */ 
+#define USART_MODE_RX                        ((uint16_t)USART_CR1_RE)
+#define USART_MODE_TX                        ((uint16_t)USART_CR1_TE)
+#define USART_MODE_TX_RX                     ((uint16_t)(USART_CR1_TE |USART_CR1_RE))
+#define IS_USART_MODE(MODE) ((((MODE) & (uint16_t)0xFFF3) == 0x00) && ((MODE) != (uint16_t)0x00))
+/**
+  * @}
+  */
+    
+/** @defgroup USART_Clock  USART Clock
+  * @{
+  */ 
+#define USART_CLOCK_DISABLED                 ((uint16_t)0x0000)
+#define USART_CLOCK_ENABLED                  ((uint16_t)USART_CR2_CLKEN)
+#define IS_USART_CLOCK(CLOCK)      (((CLOCK) == USART_CLOCK_DISABLED) || \
+                                   ((CLOCK) == USART_CLOCK_ENABLED))
+/**
+  * @}
+  */ 
+
+/** @defgroup USART_Clock_Polarity  USART Clock Polarity
+  * @{
+  */
+#define USART_POLARITY_LOW                   ((uint16_t)0x0000)
+#define USART_POLARITY_HIGH                  ((uint16_t)USART_CR2_CPOL)
+#define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || ((CPOL) == USART_POLARITY_HIGH))
+/**
+  * @}
+  */ 
+
+/** @defgroup USART_Clock_Phase   USART Clock Phase
+  * @{
+  */
+#define USART_PHASE_1EDGE                    ((uint16_t)0x0000)
+#define USART_PHASE_2EDGE                    ((uint16_t)USART_CR2_CPHA)
+#define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || ((CPHA) == USART_PHASE_2EDGE))
+/**
+  * @}
+  */
+
+/** @defgroup USART_Last_Bit  USART Last Bit
+  * @{
+  */
+#define USART_LASTBIT_DISABLE                ((uint16_t)0x0000)
+#define USART_LASTBIT_ENABLE                 ((uint16_t)USART_CR2_LBCL)
+#define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \
+                                       ((LASTBIT) == USART_LASTBIT_ENABLE))
+/**
+  * @}
+  */
+
+
+/** @defgroup USART_Flags      USART Flags
+  *        Elements values convention: 0xXXXX
+  *           - 0xXXXX  : Flag mask in the ISR register
+  * @{
+  */
+#define USART_FLAG_REACK                     ((uint32_t)0x00400000)
+#define USART_FLAG_TEACK                     ((uint32_t)0x00200000)  
+#define USART_FLAG_BUSY                      ((uint32_t)0x00010000)
+#define USART_FLAG_CTS                       ((uint32_t)0x00000400)
+#define USART_FLAG_CTSIF                     ((uint32_t)0x00000200)
+#define USART_FLAG_LBDF                      ((uint32_t)0x00000100)
+#define USART_FLAG_TXE                       ((uint32_t)0x00000080)
+#define USART_FLAG_TC                        ((uint32_t)0x00000040)
+#define USART_FLAG_RXNE                      ((uint32_t)0x00000020)
+#define USART_FLAG_IDLE                      ((uint32_t)0x00000010)
+#define USART_FLAG_ORE                       ((uint32_t)0x00000008)
+#define USART_FLAG_NE                        ((uint32_t)0x00000004)
+#define USART_FLAG_FE                        ((uint32_t)0x00000002)
+#define USART_FLAG_PE                        ((uint32_t)0x00000001)
+/**
+  * @}
+  */
+
+/** @defgroup USART_Interrupt_definition USART Interrupts Definition
+  *        Elements values convention: 0000ZZZZ0XXYYYYYb
+  *           - YYYYY  : Interrupt source position in the XX register (5bits)
+  *           - XX  : Interrupt source register (2bits)
+  *                 - 01: CR1 register
+  *                 - 10: CR2 register
+  *                 - 11: CR3 register
+  *           - ZZZZ  : Flag position in the ISR register(4bits)
+  * @{
+  */
+  
+#define USART_IT_PE                          ((uint16_t)0x0028)
+#define USART_IT_TXE                         ((uint16_t)0x0727)
+#define USART_IT_TC                          ((uint16_t)0x0626)
+#define USART_IT_RXNE                        ((uint16_t)0x0525)
+#define USART_IT_IDLE                        ((uint16_t)0x0424)
+#define USART_IT_ERR                         ((uint16_t)0x0060)
+
+#define USART_IT_ORE                         ((uint16_t)0x0300)
+#define USART_IT_NE                          ((uint16_t)0x0200)
+#define USART_IT_FE                          ((uint16_t)0x0100)
+/**
+  * @}
+  */
+
+/** @defgroup USART_IT_CLEAR_Flags    USART Interruption Clear Flags
+  * @{
+  */
+#define USART_CLEAR_PEF                       USART_ICR_PECF            /*!< Parity Error Clear Flag */          
+#define USART_CLEAR_FEF                       USART_ICR_FECF            /*!< Framing Error Clear Flag */         
+#define USART_CLEAR_NEF                       USART_ICR_NCF             /*!< Noise detected Clear Flag */        
+#define USART_CLEAR_OREF                      USART_ICR_ORECF           /*!< OverRun Error Clear Flag */         
+#define USART_CLEAR_IDLEF                     USART_ICR_IDLECF          /*!< IDLE line detected Clear Flag */    
+#define USART_CLEAR_TCF                       USART_ICR_TCCF            /*!< Transmission Complete Clear Flag */ 
+#define USART_CLEAR_CTSF                      USART_ICR_CTSCF           /*!< CTS Interrupt Clear Flag */         
+/**
+  * @}
+  */ 
+
+/** @defgroup USART_Request_Parameters  USART Request Parameters
+  * @{
+  */
+#define USART_RXDATA_FLUSH_REQUEST        ((uint16_t)USART_RQR_RXFRQ)        /*!< Receive Data flush Request */ 
+#define USART_TXDATA_FLUSH_REQUEST        ((uint16_t)USART_RQR_TXFRQ)        /*!< Transmit data flush Request */
+#define IS_USART_REQUEST_PARAMETER(PARAM) (((PARAM) == USART_RXDATA_FLUSH_REQUEST) || \
+                                           ((PARAM) == USART_TXDATA_FLUSH_REQUEST))   
+/**
+  * @}
+  */
+
+/** @defgroup USART_Interruption_Mask    USART interruptions flag mask
+  * @{
+  */  
+#define USART_IT_MASK                             ((uint16_t)0x001F)  
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+  
+    
+/* Exported macros ------------------------------------------------------------*/
+
+/** @defgroup USART_Exported_Macros
+  * @{
+  */  
+
+/** @brief  Reset USART handle state
+  * @param  __HANDLE__: USART handle.
+  * @retval None
+  */
+#define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET)
+
+/** @brief  Checks whether the specified USART flag is set or not.
+  * @param  __HANDLE__: specifies the USART Handle.
+  *         This parameter can be UARTx where x: 1, 2, 3 to select the USART peripheral.
+  * @param  __FLAG__: specifies the flag to check.
+  *        This parameter can be one of the following values:
+  *            @arg USART_FLAG_REACK: Receive enable ackowledge flag
+  *            @arg USART_FLAG_TEACK: Transmit enable ackowledge flag
+  *            @arg USART_FLAG_BUSY:  Busy flag                  
+  *            @arg USART_FLAG_CTS:   CTS Change flag         
+  *            @arg USART_FLAG_TXE:   Transmit data register empty flag
+  *            @arg USART_FLAG_TC:    Transmission Complete flag
+  *            @arg USART_FLAG_RXNE:  Receive data register not empty flag
+  *            @arg USART_FLAG_IDLE:  Idle Line detection flag
+  *            @arg USART_FLAG_ORE:   OverRun Error flag
+  *            @arg USART_FLAG_NE:    Noise Error flag
+  *            @arg USART_FLAG_FE:    Framing Error flag
+  *            @arg USART_FLAG_PE:    Parity Error flag
+  * @retval The new state of __FLAG__ (TRUE or FALSE).
+  */
+#define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))
+
+
+/** @brief  Enables the specified USART interrupt.
+  * @param  __HANDLE__: specifies the USART Handle.
+  *         This parameter can be UARTx where x: 1, 2, 3 to select the USART peripheral.
+  * @param  __INTERRUPT__: specifies the USART interrupt source to enable.
+  *          This parameter can be one of the following values:
+  *            @arg USART_IT_TXE:  Transmit Data Register empty interrupt
+  *            @arg USART_IT_TC:   Transmission complete interrupt
+  *            @arg USART_IT_RXNE: Receive Data register not empty interrupt
+  *            @arg USART_IT_IDLE: Idle line detection interrupt
+  *            @arg USART_IT_PE:   Parity Error interrupt
+  *            @arg USART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
+  * @retval None
+  */
+#define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
+                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
+                                                            ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))))
+
+/** @brief  Disables the specified USART interrupt.
+  * @param  __HANDLE__: specifies the USART Handle.
+  *         This parameter can be UARTx where x: 1, 2, 3 to select the USART peripheral.
+  * @param  __INTERRUPT__: specifies the USART interrupt source to disable.
+  *          This parameter can be one of the following values:
+  *            @arg USART_IT_TXE:  Transmit Data Register empty interrupt
+  *            @arg USART_IT_TC:   Transmission complete interrupt
+  *            @arg USART_IT_RXNE: Receive Data register not empty interrupt
+  *            @arg USART_IT_IDLE: Idle line detection interrupt
+  *            @arg USART_IT_PE:   Parity Error interrupt
+  *            @arg USART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
+  * @retval None
+  */
+#define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
+                                                            ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \
+                                                            ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))))
+
+    
+/** @brief  Checks whether the specified USART interrupt has occurred or not.
+  * @param  __HANDLE__: specifies the USART Handle.
+  *         This parameter can be USARTx where x: 1, 2 or 3
+  * @param  __IT__: specifies the USART interrupt source to check.
+  *          This parameter can be one of the following values:
+  *            @arg USART_IT_TXE: Transmit Data Register empty interrupt
+  *            @arg USART_IT_TC:  Transmission complete interrupt
+  *            @arg USART_IT_RXNE: Receive Data register not empty interrupt
+  *            @arg USART_IT_IDLE: Idle line detection interrupt
+  *            @arg USART_IT_ORE: OverRun Error interrupt
+  *            @arg USART_IT_NE: Noise Error interrupt
+  *            @arg USART_IT_FE: Framing Error interrupt
+  *            @arg USART_IT_PE: Parity Error interrupt
+  * @retval The new state of __IT__ (TRUE or FALSE).
+  */
+#define __HAL_USART_GET_IT(__HANDLE__, __IT__) ((__HANDLE__)->Instance->ISR & ((uint32_t)1 << ((__IT__)>> 0x08))) 
+
+/** @brief  Checks whether the specified USART interrupt source is enabled.
+  * @param  __HANDLE__: specifies the USART Handle.
+  *         This parameter can be USARTx where x: 1, 2 or 3
+  * @param  __IT__: specifies the USART interrupt source to check.
+  *          This parameter can be one of the following values:
+  *            @arg USART_IT_TXE: Transmit Data Register empty interrupt
+  *            @arg USART_IT_TC:  Transmission complete interrupt
+  *            @arg USART_IT_RXNE: Receive Data register not empty interrupt
+  *            @arg USART_IT_IDLE: Idle line detection interrupt
+  *            @arg USART_IT_ORE: OverRun Error interrupt
+  *            @arg USART_IT_NE: Noise Error interrupt
+  *            @arg USART_IT_FE: Framing Error interrupt
+  *            @arg USART_IT_PE: Parity Error interrupt
+  * @retval The new state of __IT__ (TRUE or FALSE).
+  */
+#define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) ((((((uint8_t)(__IT__)) >> 5) == 1)? (__HANDLE__)->Instance->CR1:(((((uint8_t)(__IT__)) >> 5) == 2)? \
+                                                   (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & ((uint32_t)1 << \
+                                                   (((uint16_t)(__IT__)) & USART_IT_MASK)))
+
+
+/** @brief  Clears the specified USART ISR flag, in setting the proper ICR register flag.
+  * @param  __HANDLE__: specifies the USART Handle.
+  *         This parameter can be USARTx where x: 1, 2 or 3
+  * @param  __IT_CLEAR__: specifies the interrupt clear register flag that needs to be set
+  *                       to clear the corresponding interrupt
+  *          This parameter can be one of the following values:
+  *            @arg USART_CLEAR_PEF: Parity Error Clear Flag          
+  *            @arg USART_CLEAR_FEF: Framing Error Clear Flag         
+  *            @arg USART_CLEAR_NEF: Noise detected Clear Flag        
+  *            @arg USART_CLEAR_OREF: OverRun Error Clear Flag         
+  *            @arg USART_CLEAR_IDLEF: IDLE line detected Clear Flag    
+  *            @arg USART_CLEAR_TCF: Transmission Complete Clear Flag 
+  *            @arg USART_CLEAR_CTSF: CTS Interrupt Clear Flag      
+  * @retval None
+  */
+#define __HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR |= (uint32_t)(__IT_CLEAR__)) 
+
+/** @brief  Set a specific USART request flag.
+  * @param  __HANDLE__: specifies the USART Handle.
+  *         This parameter can be USARTx where x: 1, 2 or 3
+  * @param  __REQ__: specifies the request flag to set
+  *          This parameter can be one of the following values:
+  *            @arg USART_RXDATA_FLUSH_REQUEST: Receive Data flush Request 
+  *            @arg USART_TXDATA_FLUSH_REQUEST: Transmit data flush Request 
+  *
+  * @retval None
+  */ 
+#define __HAL_USART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__)) 
+
+/** @brief  Enable USART
+  * @param  __HANDLE__: specifies the USART Handle.
+  *         The Handle Instance can be USARTx where x: 1, 2, 3 to select the USART peripheral
+  * @retval None
+  */ 
+#define __USART_ENABLE(__HANDLE__)               ((__HANDLE__)->Instance->CR1 |=  USART_CR1_UE)
+
+/** @brief  Disable USART
+  * @param  __HANDLE__: specifies the USART Handle.
+  *         The Handle Instance can be USARTx where x: 1, 2, 3 to select the USART peripheral
+  * @retval None
+  */ 
+#define __USART_DISABLE(__HANDLE__)              ((__HANDLE__)->Instance->CR1 &=  ~USART_CR1_UE)
+  
+
+/** @brief  Check USART Baud rate
+  * @param  BAUDRATE: Baudrate specified by the user
+  *         The maximum Baud Rate is derived from the maximum clock on F0 (i.e. 48 MHz) 
+  *         divided by the smallest oversampling used on the USART (i.e. 8)  
+  * @retval Test result (TRUE or FALSE) 
+  */ 
+#define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 9000001)
+
+/**
+  * @}
+  */
+ 
+/* Include USART HAL Extension module */
+#include "stm32f0xx_hal_usart_ex.h"        
+                                 
+/* Exported functions --------------------------------------------------------*/
+
+/* Initialization and de-initialization functions  ****************************/
+HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart);
+HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart);
+void HAL_USART_MspInit(USART_HandleTypeDef *husart);
+void HAL_USART_MspDeInit(USART_HandleTypeDef *husart);
+void HAL_USART_SetConfig(USART_HandleTypeDef *husart);
+HAL_StatusTypeDef HAL_USART_CheckIdleState(USART_HandleTypeDef *husart);
+/* IO operation functions *****************************************************/
+HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout);
+HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
+HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
+HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData,  uint16_t Size);
+HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size);
+HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size);
+HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size);
+HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart);
+HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart);
+HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart);
+void HAL_USART_IRQHandler(USART_HandleTypeDef *husart);
+void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart);
+void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart);
+void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart);
+void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart);
+void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart);
+void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart);
+
+/* Peripheral Control functions ***********************************************/
+
+/* Peripheral State and Error functions ***************************************/
+HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart);
+uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart);
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */
+  
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F0xx_HAL_USART_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/