File content as of revision 97:4298809c7c9e:

/**
  ******************************************************************************
  * @file    stm32f0xx_hal_uart.h
  * @author  MCD Application Team
  * @version V1.2.0
  * @date    11-December-2014
  * @brief   Header file of UART 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_UART_H
#define __STM32F0xx_HAL_UART_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx_hal_def.h"

/** @addtogroup STM32F0xx_HAL_Driver
  * @{
  */

/** @addtogroup UART
  * @{
  */ 

/* Exported types ------------------------------------------------------------*/ 
/** @defgroup UART_Exported_Types UART Exported Types
  * @{
  */ 


/** 
  * @brief UART Init Structure definition  
  */ 
typedef struct
{
  uint32_t BaudRate;                  /*!< This member configures the UART communication baud rate.
                                           The baud rate register is computed using the following formula:
                                           - If oversampling is 16 or in LIN mode (LIN mode not available on F030xx devices),
                                              Baud Rate Register = ((PCLKx) / ((huart->Init.BaudRate)))
                                           - If oversampling is 8,
                                              Baud Rate Register[15:4] = ((2 * PCLKx) / ((huart->Init.BaudRate)))[15:4]  
                                              Baud Rate Register[3] =  0
                                              Baud Rate Register[2:0] =  (((2 * PCLKx) / ((huart->Init.BaudRate)))[3:0]) >> 1      */

  uint32_t WordLength;                /*!< Specifies the number of data bits transmitted or received in a frame.
                                           This parameter can be a value of @ref UARTEx_Word_Length */

  uint32_t StopBits;                  /*!< Specifies the number of stop bits transmitted.
                                           This parameter can be a value of @ref UART_Stop_Bits */

  uint32_t Parity;                    /*!< Specifies the parity mode.
                                           This parameter can be a value of @ref UART_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). */
 
  uint32_t Mode;                      /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
                                           This parameter can be a value of @ref UART_Mode */

  uint32_t HwFlowCtl;                 /*!< Specifies whether the hardware flow control mode is enabled
                                           or disabled.
                                           This parameter can be a value of @ref UART_Hardware_Flow_Control */
  
  uint32_t OverSampling;              /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8).
                                           This parameter can be a value of @ref UART_Over_Sampling */  
                                           
  uint32_t OneBitSampling;            /*!< Specifies whether a single sample or three samples' majority vote is selected.
                                           Selecting the single sample method increases the receiver tolerance to clock
                                           deviations. This parameter can be a value of @ref UART_OneBit_Sampling. */                                                 
}UART_InitTypeDef;

/** 
  * @brief  UART Advanced Features initalization structure definition  
  */
typedef struct                                      
{
  uint32_t AdvFeatureInit;        /*!< Specifies which advanced UART features is initialized. Several
                                       Advanced Features may be initialized at the same time .
                                       This parameter can be a value of @ref UART_Advanced_Features_Initialization_Type */
  
  uint32_t TxPinLevelInvert;      /*!< Specifies whether the TX pin active level is inverted.
                                       This parameter can be a value of @ref UART_Tx_Inv  */
                                           
  uint32_t RxPinLevelInvert;      /*!< Specifies whether the RX pin active level is inverted.
                                       This parameter can be a value of @ref UART_Rx_Inv  */

  uint32_t DataInvert;            /*!< Specifies whether data are inverted (positive/direct logic
                                       vs negative/inverted logic).
                                       This parameter can be a value of @ref UART_Data_Inv */
                                       
  uint32_t Swap;                  /*!< Specifies whether TX and RX pins are swapped.   
                                       This parameter can be a value of @ref UART_Rx_Tx_Swap */
                                       
  uint32_t OverrunDisable;        /*!< Specifies whether the reception overrun detection is disabled.   
                                       This parameter can be a value of @ref UART_Overrun_Disable */
                                       
  uint32_t DMADisableonRxError;   /*!< Specifies whether the DMA is disabled in case of reception error.     
                                       This parameter can be a value of @ref UART_DMA_Disable_on_Rx_Error */
                                       
  uint32_t AutoBaudRateEnable;    /*!< Specifies whether auto Baud rate detection is enabled.     
                                       This parameter can be a value of @ref UART_AutoBaudRate_Enable */  
                                       
  uint32_t AutoBaudRateMode;      /*!< If auto Baud rate detection is enabled, specifies how the rate 
                                       detection is carried out.     
                                       This parameter can be a value of @ref UARTEx_AutoBaud_Rate_Mode */
                                    
  uint32_t MSBFirst;              /*!< Specifies whether MSB is sent first on UART line.      
                                       This parameter can be a value of @ref UART_MSB_First */
} UART_AdvFeatureInitTypeDef;

/** 
  * @brief HAL UART State structures definition  
  */ 
typedef enum
{
  HAL_UART_STATE_RESET             = 0x00,    /*!< Peripheral is not initialized                      */
  HAL_UART_STATE_READY             = 0x01,    /*!< Peripheral Initialized and ready for use           */
  HAL_UART_STATE_BUSY              = 0x02,    /*!< an internal process is ongoing                     */
  HAL_UART_STATE_BUSY_TX           = 0x12,    /*!< Data Transmission process is ongoing               */
  HAL_UART_STATE_BUSY_RX           = 0x22,    /*!< Data Reception process is ongoing                  */
  HAL_UART_STATE_BUSY_TX_RX        = 0x32,    /*!< Data Transmission and Reception process is ongoing */
  HAL_UART_STATE_TIMEOUT           = 0x03,    /*!< Timeout state                                      */
  HAL_UART_STATE_ERROR             = 0x04     /*!< Error                                              */
}HAL_UART_StateTypeDef;

/**
  * @brief UART clock sources definition
  */
typedef enum
{
  UART_CLOCKSOURCE_PCLK1     = 0x00, /*!< PCLK1 clock source     */
  UART_CLOCKSOURCE_HSI       = 0x02, /*!< HSI clock source       */
  UART_CLOCKSOURCE_SYSCLK    = 0x04, /*!< SYSCLK clock source    */
  UART_CLOCKSOURCE_LSE       = 0x08, /*!< LSE clock source       */
  UART_CLOCKSOURCE_UNDEFINED = 0x10  /*!< undefined clock source */  
}UART_ClockSourceTypeDef;

/** 
  * @brief  UART handle Structure definition  
  */  
typedef struct
{
  USART_TypeDef            *Instance;        /*!< UART registers base address        */

  UART_InitTypeDef         Init;             /*!< UART communication parameters      */

  UART_AdvFeatureInitTypeDef AdvancedInit;   /*!< UART Advanced Features initialization parameters */

  uint8_t                  *pTxBuffPtr;      /*!< Pointer to UART Tx transfer Buffer */

  uint16_t                 TxXferSize;       /*!< UART Tx Transfer size              */

  uint16_t                 TxXferCount;      /*!< UART Tx Transfer Counter           */

  uint8_t                  *pRxBuffPtr;      /*!< Pointer to UART Rx transfer Buffer */

  uint16_t                 RxXferSize;       /*!< UART Rx Transfer size              */

  uint16_t                 RxXferCount;      /*!< UART Rx Transfer Counter           */

  uint16_t                 Mask;             /*!< UART Rx RDR register mask          */

  DMA_HandleTypeDef        *hdmatx;          /*!< UART Tx DMA Handle parameters      */

  DMA_HandleTypeDef        *hdmarx;          /*!< UART Rx DMA Handle parameters      */

  HAL_LockTypeDef          Lock;             /*!< Locking object                     */

  HAL_UART_StateTypeDef    State;            /*!< UART communication state           */
  
  __IO uint32_t            ErrorCode;        /*!< UART Error code
                                                  This parameter can be a value of @ref UART_Error */
  
}UART_HandleTypeDef;

/**
  * @}
  */
  
/* Exported constants --------------------------------------------------------*/
/** @defgroup UART_Exported_Constants UART Exported constants
  * @{
  */

/** @defgroup UART_Error UART Error
  * @{
  */
#define HAL_UART_ERROR_NONE      ((uint32_t)0x00000000)    /*!< No error            */
#define HAL_UART_ERROR_PE        ((uint32_t)0x00000001)    /*!< Parity error        */
#define HAL_UART_ERROR_NE        ((uint32_t)0x00000002)    /*!< Noise error         */
#define HAL_UART_ERROR_FE        ((uint32_t)0x00000004)    /*!< frame error         */
#define HAL_UART_ERROR_ORE       ((uint32_t)0x00000008)    /*!< Overrun error       */
#define HAL_UART_ERROR_DMA       ((uint32_t)0x00000010)    /*!< DMA transfer error  */
/**
  * @}
  */ 

/** @defgroup UART_Stop_Bits   UART Number of Stop Bits
  * @{
  */
#define UART_STOPBITS_1                     ((uint32_t)0x0000)
#define UART_STOPBITS_2                     ((uint32_t)USART_CR2_STOP_1)
#define UART_STOPBITS_1_5                   ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1))
#define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
                                    ((STOPBITS) == UART_STOPBITS_2) || \
                                    ((STOPBITS) == UART_STOPBITS_1_5))
/**
  * @}
  */ 

/** @defgroup UART_Parity  UART Parity
  * @{
  */ 
#define UART_PARITY_NONE                    ((uint32_t)0x0000)
#define UART_PARITY_EVEN                    ((uint32_t)USART_CR1_PCE)
#define UART_PARITY_ODD                     ((uint32_t)(USART_CR1_PCE | USART_CR1_PS)) 
#define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
                                ((PARITY) == UART_PARITY_EVEN) || \
                                ((PARITY) == UART_PARITY_ODD))
/**
  * @}
  */ 

/** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
  * @{
  */ 
#define UART_HWCONTROL_NONE                  ((uint32_t)0x0000)
#define UART_HWCONTROL_RTS                   ((uint32_t)USART_CR3_RTSE)
#define UART_HWCONTROL_CTS                   ((uint32_t)USART_CR3_CTSE)
#define UART_HWCONTROL_RTS_CTS               ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
#define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
                              (((CONTROL) == UART_HWCONTROL_NONE) || \
                               ((CONTROL) == UART_HWCONTROL_RTS) || \
                               ((CONTROL) == UART_HWCONTROL_CTS) || \
                               ((CONTROL) == UART_HWCONTROL_RTS_CTS))
/**
  * @}
  */

/** @defgroup UART_Mode UART Transfer Mode
  * @{
  */ 
#define UART_MODE_RX                        ((uint32_t)USART_CR1_RE)
#define UART_MODE_TX                        ((uint32_t)USART_CR1_TE)
#define UART_MODE_TX_RX                     ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
#define IS_UART_MODE(MODE) ((((MODE) & (~((uint32_t)(UART_MODE_TX_RX)))) == (uint32_t)0x00) && ((MODE) != (uint32_t)0x00))
/**
  * @}
  */
    
 /** @defgroup UART_State  UART State
  * @{
  */ 
#define UART_STATE_DISABLE                  ((uint32_t)0x0000)
#define UART_STATE_ENABLE                   ((uint32_t)USART_CR1_UE)
#define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
                              ((STATE) == UART_STATE_ENABLE))
/**
  * @}
  */

/** @defgroup UART_Over_Sampling UART Over Sampling
  * @{
  */
#define UART_OVERSAMPLING_16                    ((uint32_t)0x0000)
#define UART_OVERSAMPLING_8                     ((uint32_t)USART_CR1_OVER8)
#define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
                                        ((SAMPLING) == UART_OVERSAMPLING_8))
/**
  * @}
  */ 

/** @defgroup UART_OneBit_Sampling UART One Bit Sampling Method
  * @{
  */
#define UART_ONEBIT_SAMPLING_DISABLED   ((uint32_t)0x0000)
#define UART_ONEBIT_SAMPLING_ENABLED    ((uint32_t)USART_CR3_ONEBIT)
#define IS_UART_ONEBIT_SAMPLING(ONEBIT) (((ONEBIT) == UART_ONEBIT_SAMPLING_DISABLED) || \
                                         ((ONEBIT) == UART_ONEBIT_SAMPLING_ENABLED))
/**
  * @}
  */  
  

/** @defgroup UART_Receiver_TimeOut UART Receiver TimeOut 
  * @{
  */
#define UART_RECEIVER_TIMEOUT_DISABLE   ((uint32_t)0x00000000)
#define UART_RECEIVER_TIMEOUT_ENABLE    ((uint32_t)USART_CR2_RTOEN)
#define IS_UART_RECEIVER_TIMEOUT(TIMEOUT) (((TIMEOUT) == UART_RECEIVER_TIMEOUT_DISABLE) || \
                                           ((TIMEOUT) == UART_RECEIVER_TIMEOUT_ENABLE))
/**
  * @}
  */ 

/** @defgroup UART_One_Bit     UART One Bit sampling
  * @{
  */
#define UART_ONE_BIT_SAMPLE_DISABLED          ((uint32_t)0x00000000)
#define UART_ONE_BIT_SAMPLE_ENABLED           ((uint32_t)USART_CR3_ONEBIT)
#define IS_UART_ONEBIT_SAMPLE(ONEBIT)         (((ONEBIT) == UART_ONE_BIT_SAMPLE_DISABLED) || \
                                                  ((ONEBIT) == UART_ONE_BIT_SAMPLE_ENABLED))
/**
  * @}
  */  
  
/** @defgroup UART_DMA_Tx    UART DMA Tx
  * @{
  */
#define UART_DMA_TX_DISABLE          ((uint32_t)0x00000000)
#define UART_DMA_TX_ENABLE           ((uint32_t)USART_CR3_DMAT)
#define IS_UART_DMA_TX(DMATX)         (((DMATX) == UART_DMA_TX_DISABLE) || \
                                       ((DMATX) == UART_DMA_TX_ENABLE))
/**
  * @}
  */

/** @defgroup UART_DMA_Rx   UART DMA Rx
  * @{
  */
#define UART_DMA_RX_DISABLE           ((uint32_t)0x0000)
#define UART_DMA_RX_ENABLE            ((uint32_t)USART_CR3_DMAR)
#define IS_UART_DMA_RX(DMARX)         (((DMARX) == UART_DMA_RX_DISABLE) || \
                                       ((DMARX) == UART_DMA_RX_ENABLE))
/**
  * @}
  */

/** @defgroup UART_Half_Duplex_Selection  UART Half Duplex Selection
  * @{
  */
#define UART_HALF_DUPLEX_DISABLE          ((uint32_t)0x0000)
#define UART_HALF_DUPLEX_ENABLE           ((uint32_t)USART_CR3_HDSEL)
#define IS_UART_HALF_DUPLEX(HDSEL)         (((HDSEL) == UART_HALF_DUPLEX_DISABLE) || \
                                            ((HDSEL) == UART_HALF_DUPLEX_ENABLE))
/**
  * @}
  */    

/** @defgroup UART_WakeUp_Address_Length    UART WakeUp Address Length
  * @{
  */
#define UART_ADDRESS_DETECT_4B                ((uint32_t)0x00000000)
#define UART_ADDRESS_DETECT_7B                ((uint32_t)USART_CR2_ADDM7)
#define IS_UART_ADDRESSLENGTH_DETECT(ADDRESS) (((ADDRESS) == UART_ADDRESS_DETECT_4B) || \
                                               ((ADDRESS) == UART_ADDRESS_DETECT_7B))
/**
  * @}
  */

/** @defgroup UART_WakeUp_Methods   UART WakeUp Methods
  * @{
  */
#define UART_WAKEUPMETHOD_IDLELINE                ((uint32_t)0x00000000)
#define UART_WAKEUPMETHOD_ADDRESSMARK             ((uint32_t)USART_CR1_WAKE)
#define IS_UART_WAKEUPMETHOD(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHOD_IDLELINE) || \
                                       ((WAKEUP) == UART_WAKEUPMETHOD_ADDRESSMARK))
/**
  * @}
  */

/** @defgroup UART_IT   UART IT 
  *       Elements values convention: 000000000XXYYYYYb
  *           - YYYYY  : Interrupt source position in the XX register (5bits)
  *           - XX  : Interrupt source register (2bits)
  *                 - 01: CR1 register
  *                 - 10: CR2 register
  *                 - 11: CR3 register
  * @{
  */
#define UART_IT_ERR                         ((uint16_t)0x0060)

/**       Elements values convention: 0000ZZZZ00000000b
  *           - ZZZZ  : Flag position in the ISR register(4bits)
  */
#define UART_IT_ORE                         ((uint16_t)0x0300)
#define UART_IT_NE                          ((uint16_t)0x0200)
#define UART_IT_FE                          ((uint16_t)0x0100)
/**
  * @}
  */

/** @defgroup UART_Advanced_Features_Initialization_Type  UART Advanced Feature Initialization Type
  * @{
  */
#define UART_ADVFEATURE_NO_INIT                 ((uint32_t)0x00000000)
#define UART_ADVFEATURE_TXINVERT_INIT           ((uint32_t)0x00000001)
#define UART_ADVFEATURE_RXINVERT_INIT           ((uint32_t)0x00000002)
#define UART_ADVFEATURE_DATAINVERT_INIT         ((uint32_t)0x00000004)
#define UART_ADVFEATURE_SWAP_INIT               ((uint32_t)0x00000008)
#define UART_ADVFEATURE_RXOVERRUNDISABLE_INIT   ((uint32_t)0x00000010)
#define UART_ADVFEATURE_DMADISABLEONERROR_INIT  ((uint32_t)0x00000020)
#define UART_ADVFEATURE_AUTOBAUDRATE_INIT       ((uint32_t)0x00000040)
#define UART_ADVFEATURE_MSBFIRST_INIT           ((uint32_t)0x00000080)
#define IS_UART_ADVFEATURE_INIT(INIT)           ((INIT) <= (UART_ADVFEATURE_NO_INIT | \
                                                            UART_ADVFEATURE_TXINVERT_INIT | \
                                                            UART_ADVFEATURE_RXINVERT_INIT | \
                                                            UART_ADVFEATURE_DATAINVERT_INIT | \
                                                            UART_ADVFEATURE_SWAP_INIT | \
                                                            UART_ADVFEATURE_RXOVERRUNDISABLE_INIT | \
                                                            UART_ADVFEATURE_DMADISABLEONERROR_INIT   | \
                                                            UART_ADVFEATURE_AUTOBAUDRATE_INIT | \
                                                            UART_ADVFEATURE_MSBFIRST_INIT))
/**
  * @}
  */

/** @defgroup UART_Tx_Inv UART Advanced Feature TX Pin Active Level Inversion
  * @{
  */
#define UART_ADVFEATURE_TXINV_DISABLE   ((uint32_t)0x00000000)
#define UART_ADVFEATURE_TXINV_ENABLE    ((uint32_t)USART_CR2_TXINV)
#define IS_UART_ADVFEATURE_TXINV(TXINV) (((TXINV) == UART_ADVFEATURE_TXINV_DISABLE) || \
                                         ((TXINV) == UART_ADVFEATURE_TXINV_ENABLE))
/**
  * @}
  */

/** @defgroup UART_Rx_Inv UART Advanced Feature RX Pin Active Level Inversion
  * @{
  */
#define UART_ADVFEATURE_RXINV_DISABLE   ((uint32_t)0x00000000)
#define UART_ADVFEATURE_RXINV_ENABLE    ((uint32_t)USART_CR2_RXINV)
#define IS_UART_ADVFEATURE_RXINV(RXINV) (((RXINV) == UART_ADVFEATURE_RXINV_DISABLE) || \
                                         ((RXINV) == UART_ADVFEATURE_RXINV_ENABLE))
/**
  * @}
  */

/** @defgroup UART_Data_Inv  UART Advanced Feature Binary Data Inversion
  * @{
  */
#define UART_ADVFEATURE_DATAINV_DISABLE     ((uint32_t)0x00000000)
#define UART_ADVFEATURE_DATAINV_ENABLE      ((uint32_t)USART_CR2_DATAINV)
#define IS_UART_ADVFEATURE_DATAINV(DATAINV) (((DATAINV) == UART_ADVFEATURE_DATAINV_DISABLE) || \
                                             ((DATAINV) == UART_ADVFEATURE_DATAINV_ENABLE))
/**
  * @}
  */

/** @defgroup UART_Rx_Tx_Swap UART Advanced Feature RX TX Pins Swap
  * @{
  */
#define UART_ADVFEATURE_SWAP_DISABLE   ((uint32_t)0x00000000)
#define UART_ADVFEATURE_SWAP_ENABLE    ((uint32_t)USART_CR2_SWAP)
#define IS_UART_ADVFEATURE_SWAP(SWAP) (((SWAP) == UART_ADVFEATURE_SWAP_DISABLE) || \
                                       ((SWAP) == UART_ADVFEATURE_SWAP_ENABLE))
/**
  * @}
  */

/** @defgroup UART_Overrun_Disable  UART Advanced Feature Overrun Disable
  * @{
  */
#define UART_ADVFEATURE_OVERRUN_ENABLE   ((uint32_t)0x00000000)
#define UART_ADVFEATURE_OVERRUN_DISABLE  ((uint32_t)USART_CR3_OVRDIS)
#define IS_UART_OVERRUN(OVERRUN)         (((OVERRUN) == UART_ADVFEATURE_OVERRUN_ENABLE) || \
                                          ((OVERRUN) == UART_ADVFEATURE_OVERRUN_DISABLE))
/**
  * @}
  */

/** @defgroup UART_AutoBaudRate_Enable  UART Advanced Feature Auto BaudRate Enable
  * @{
  */
#define UART_ADVFEATURE_AUTOBAUDRATE_DISABLE           ((uint32_t)0x00000000)
#define UART_ADVFEATURE_AUTOBAUDRATE_ENABLE            ((uint32_t)USART_CR2_ABREN)
#define IS_UART_ADVFEATURE_AUTOBAUDRATE(AUTOBAUDRATE)  (((AUTOBAUDRATE) == UART_ADVFEATURE_AUTOBAUDRATE_DISABLE) || \
                                                        ((AUTOBAUDRATE) == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE))
/**
  * @}
  */

/** @defgroup UART_DMA_Disable_on_Rx_Error   UART Advanced Feature DMA Disable On Rx Error
  * @{
  */
#define UART_ADVFEATURE_DMA_ENABLEONRXERROR       ((uint32_t)0x00000000)
#define UART_ADVFEATURE_DMA_DISABLEONRXERROR      ((uint32_t)USART_CR3_DDRE)
#define IS_UART_ADVFEATURE_DMAONRXERROR(DMA)      (((DMA) == UART_ADVFEATURE_DMA_ENABLEONRXERROR) || \
                                                   ((DMA) == UART_ADVFEATURE_DMA_DISABLEONRXERROR))
/**
  * @}
  */

/** @defgroup UART_MSB_First   UART Advanced Feature MSB First
  * @{
  */
#define UART_ADVFEATURE_MSBFIRST_DISABLE      ((uint32_t)0x00000000)
#define UART_ADVFEATURE_MSBFIRST_ENABLE       ((uint32_t)USART_CR2_MSBFIRST)
#define IS_UART_ADVFEATURE_MSBFIRST(MSBFIRST) (((MSBFIRST) == UART_ADVFEATURE_MSBFIRST_DISABLE) || \
                                               ((MSBFIRST) == UART_ADVFEATURE_MSBFIRST_ENABLE))
/**
  * @}
  */

/** @defgroup UART_Mute_Mode   UART Advanced Feature Mute Mode Enable
  * @{
  */
#define UART_ADVFEATURE_MUTEMODE_DISABLE    ((uint32_t)0x00000000)
#define UART_ADVFEATURE_MUTEMODE_ENABLE    ((uint32_t)USART_CR1_MME)
#define IS_UART_MUTE_MODE(MUTE)           (((MUTE) == UART_ADVFEATURE_MUTEMODE_DISABLE) || \
                                           ((MUTE) == UART_ADVFEATURE_MUTEMODE_ENABLE))
/**
  * @}
  */

/** @defgroup UART_CR2_ADDRESS_LSB_POS    UART Address-matching LSB Position In CR2 Register
  * @{
  */
#define UART_CR2_ADDRESS_LSB_POS            ((uint32_t) 24)
/**
  * @}
  */

/** @defgroup UART_DriverEnable_Polarity      UART DriverEnable Polarity
  * @{
  */
#define UART_DE_POLARITY_HIGH            ((uint32_t)0x00000000)
#define UART_DE_POLARITY_LOW             ((uint32_t)USART_CR3_DEP)
#define IS_UART_DE_POLARITY(POLARITY)    (((POLARITY) == UART_DE_POLARITY_HIGH) || \
                                          ((POLARITY) == UART_DE_POLARITY_LOW))
/**
  * @}
  */

/** @defgroup UART_CR1_DEAT_ADDRESS_LSB_POS    UART Driver Enable Assertion Time LSB Position In CR1 Register
  * @{
  */
#define UART_CR1_DEAT_ADDRESS_LSB_POS            ((uint32_t) 21)
/**
  * @}
  */

/** @defgroup UART_CR1_DEDT_ADDRESS_LSB_POS    UART Driver Enable DeAssertion Time LSB Position In CR1 Register
  * @{
  */
#define UART_CR1_DEDT_ADDRESS_LSB_POS            ((uint32_t) 16)
/**
  * @}
  */

/** @defgroup UART_Interruption_Mask    UART Interruptions Flag Mask
  * @{
  */  
#define UART_IT_MASK                             ((uint32_t)0x001F)  
/**
  * @}
  */
  
/** @defgroup UART_TimeOut_Value    UART polling-based communications time-out value
  * @{
  */   
#define HAL_UART_TIMEOUT_VALUE                           0x1FFFFFF  
/**
  * @}
  */

/**
  * @}
  */

/* Exported macro ------------------------------------------------------------*/
/** @defgroup UART_Exported_Macros UART Exported Macros
  * @{
  */
  
/** @brief  Reset UART handle state
  * @param  __HANDLE__: UART handle.
  * @retval None
  */
#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_UART_STATE_RESET)

/** @brief  Checks whether the specified UART flag is set or not.
  * @param  __HANDLE__: specifies the UART Handle.
  *         This parameter can be UARTx where x: 1, 2, 3 or 4 to select the USART or 
  *         UART peripheral (datasheet: up to four USART/UARTs)
  * @param  __FLAG__: specifies the flag to check.
  *        This parameter can be one of the following values:
  *            @arg UART_FLAG_REACK: Receive enable ackowledge flag
  *            @arg UART_FLAG_TEACK: Transmit enable ackowledge flag
  *            @arg UART_FLAG_WUF:   Wake up from stop mode flag (not available on F030xx devices)
  *            @arg UART_FLAG_RWU:   Receiver wake up flag (not available on F030xx devices)
  *            @arg UART_FLAG_SBKF:  Send Break flag
  *            @arg UART_FLAG_CMF:   Character match flag
  *            @arg UART_FLAG_BUSY:  Busy flag
  *            @arg UART_FLAG_ABRF:  Auto Baud rate detection flag
  *            @arg UART_FLAG_ABRE:  Auto Baud rate detection error flag
  *            @arg UART_FLAG_EOBF:  End of block flag (not available on F030xx devices) 
  *            @arg UART_FLAG_RTOF:  Receiver timeout flag                     
  *            @arg UART_FLAG_CTS:   CTS Change flag
  *            @arg UART_FLAG_LBD:   LIN Break detection flag (not available on F030xx devices)
  *            @arg UART_FLAG_TXE:   Transmit data register empty flag
  *            @arg UART_FLAG_TC:    Transmission Complete flag
  *            @arg UART_FLAG_RXNE:  Receive data register not empty flag
  *            @arg UART_FLAG_IDLE:  Idle Line detection flag
  *            @arg UART_FLAG_ORE:   OverRun Error flag
  *            @arg UART_FLAG_NE:    Noise Error flag
  *            @arg UART_FLAG_FE:    Framing Error flag
  *            @arg UART_FLAG_PE:    Parity Error flag
  * @retval The new state of __FLAG__ (TRUE or FALSE).
  */
#define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__))   

/** @brief  Enables the specified UART interrupt.
  * @param  __HANDLE__: specifies the UART Handle.
  *         This parameter can be UARTx where x: 1, 2, 3 or 4 to select the USART or 
  *         UART peripheral. (datasheet: up to four USART/UARTs)
  * @param  __INTERRUPT__: specifies the UART interrupt source to enable.
  *          This parameter can be one of the following values:
  *            @arg UART_IT_WUF:  Wakeup from stop mode interrupt (not available on F030xx devices)
  *            @arg UART_IT_CM:   Character match interrupt
  *            @arg UART_IT_CTS:  CTS change interrupt
  *            @arg UART_IT_LBD:  LIN Break detection interrupt (not available on F030xx devices)
  *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
  *            @arg UART_IT_TC:   Transmission complete interrupt
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
  *            @arg UART_IT_IDLE: Idle line detection interrupt
  *            @arg UART_IT_PE:   Parity Error interrupt
  *            @arg UART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
  * @retval None
  */
#define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & UART_IT_MASK))))


/** @brief  Disables the specified UART interrupt.
  * @param  __HANDLE__: specifies the UART Handle.
  *         This parameter can be UARTx where x: 1, 2, 3 or 4 to select the USART or 
  *         UART peripheral. (datasheet: up to four USART/UARTs)
  * @param  __INTERRUPT__: specifies the UART interrupt source to disable.
  *          This parameter can be one of the following values:
  *            @arg UART_IT_WUF:  Wakeup from stop mode interrupt (not available on F030xx devices)
  *            @arg UART_IT_CM:   Character match interrupt            
  *            @arg UART_IT_CTS:  CTS change interrupt
  *            @arg UART_IT_LBD:  LIN Break detection interrupt (not available on F030xx devices)
  *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
  *            @arg UART_IT_TC:   Transmission complete interrupt
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
  *            @arg UART_IT_IDLE: Idle line detection interrupt
  *            @arg UART_IT_PE:   Parity Error interrupt
  *            @arg UART_IT_ERR:  Error interrupt(Frame error, noise error, overrun error)
  * @retval None
  */
#define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))): \
                                                           ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & UART_IT_MASK))))

/** @brief  Checks whether the specified UART interrupt has occurred or not.
  * @param  __HANDLE__: specifies the UART Handle.
  *         This parameter can be UARTx where x: 1, 2, 3 or 4 to select the USART or 
  *         UART peripheral. (datasheet: up to four USART/UARTs)
  * @param  __IT__: specifies the UART interrupt to check.
  *          This parameter can be one of the following values:
  *            @arg UART_IT_WUF:  Wakeup from stop mode interrupt (not available on F030xx devices)
  *            @arg UART_IT_CM:   Character match interrupt              
  *            @arg UART_IT_CTS:  CTS change interrupt
  *            @arg UART_IT_LBD:  LIN Break detection interrupt (not available on F030xx devices)
  *            @arg UART_IT_TXE:  Transmit Data Register empty interrupt
  *            @arg UART_IT_TC:   Transmission complete interrupt
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
  *            @arg UART_IT_IDLE: Idle line detection interrupt
  *            @arg UART_IT_ORE:  OverRun Error interrupt
  *            @arg UART_IT_NE:   Noise Error interrupt
  *            @arg UART_IT_FE:   Framing Error interrupt
  *            @arg UART_IT_PE:   Parity Error interrupt  
  * @retval The new state of __IT__ (TRUE or FALSE).
  */
#define __HAL_UART_GET_IT(__HANDLE__, __IT__) ((__HANDLE__)->Instance->ISR & ((uint32_t)1 << ((__IT__)>> 0x08))) 

/** @brief  Checks whether the specified UART interrupt source is enabled.
  * @param  __HANDLE__: specifies the UART Handle.
  *         This parameter can be UARTx where x: 1, 2, 3 or 4 to select the USART or 
  *         UART peripheral. (datasheet: up to four USART/UARTs)
  * @param  __IT__: specifies the UART interrupt source to check.
  *          This parameter can be one of the following values:
  *            @arg UART_IT_WUF:  Wakeup from stop mode interrupt (not available on F030xx devices)
  *            @arg UART_IT_CM:   Character match interrupt              
  *            @arg UART_IT_CTS: CTS change interrupt
  *            @arg UART_IT_LBD: LIN Break detection interrupt (not available on F030xx devices)
  *            @arg UART_IT_TXE: Transmit Data Register empty interrupt
  *            @arg UART_IT_TC:  Transmission complete interrupt
  *            @arg UART_IT_RXNE: Receive Data register not empty interrupt
  *            @arg UART_IT_IDLE: Idle line detection interrupt
  *            @arg UART_IT_ORE: OverRun Error interrupt
  *            @arg UART_IT_NE: Noise Error interrupt
  *            @arg UART_IT_FE: Framing Error interrupt
  *            @arg UART_IT_PE: Parity Error interrupt  
  * @retval The new state of __IT__ (TRUE or FALSE).
  */
#define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) ((((((uint8_t)(__IT__)) >> 5U) == 1)? (__HANDLE__)->Instance->CR1:(((((uint8_t)(__IT__)) >> 5U) == 2)? \
                                                       (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & ((uint32_t)1 << (((uint16_t)(__IT__)) & UART_IT_MASK)))

/** @brief  Clears the specified UART ISR flag, in setting the proper ICR register flag.
  * @param  __HANDLE__: specifies the UART Handle.
  *         This parameter can be UARTx where x: 1, 2, 3 or 4 to select the USART or 
  *         UART peripheral. (datasheet: up to four USART/UARTs)
  * @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 UART_CLEAR_PEF: Parity Error Clear Flag          
  *            @arg UART_CLEAR_FEF: Framing Error Clear Flag         
  *            @arg UART_CLEAR_NEF: Noise detected Clear Flag        
  *            @arg UART_CLEAR_OREF: OverRun Error Clear Flag         
  *            @arg UART_CLEAR_IDLEF: IDLE line detected Clear Flag    
  *            @arg UART_CLEAR_TCF: Transmission Complete Clear Flag 
  *            @arg UART_CLEAR_LBDF: LIN Break Detection Clear Flag (not available on F030xx devices)   
  *            @arg UART_CLEAR_CTSF: CTS Interrupt Clear Flag      
  *            @arg UART_CLEAR_RTOF: Receiver Time Out Clear Flag     
  *            @arg UART_CLEAR_EOBF: End Of Block Clear Flag  (not available on F030xx devices)      
  *            @arg UART_CLEAR_CMF: Character Match Clear Flag       
  *            @arg UART_CLEAR_WUF:  Wake Up from stop mode Clear Flag (not available on F030xx devices) 
  * @retval None
  */
#define __HAL_UART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__)) 

/** @brief  Set a specific UART request flag.
  * @param  __HANDLE__: specifies the UART Handle.
  *         This parameter can be UARTx where x: 1, 2, 3 or 4 to select the USART or 
  *         UART peripheral. (datasheet: up to four USART/UARTs)
  * @param  __REQ__: specifies the request flag to set
  *          This parameter can be one of the following values:
  *            @arg UART_AUTOBAUD_REQUEST: Auto-Baud Rate Request     
  *            @arg UART_SENDBREAK_REQUEST: Send Break Request         
  *            @arg UART_MUTE_MODE_REQUEST: Mute Mode Request 
  *            @arg UART_RXDATA_FLUSH_REQUEST: Receive Data flush Request 
  *            @arg UART_TXDATA_FLUSH_REQUEST: Transmit data flush Request (not available on F030xx devices) 
  * @retval None
  */
#define __HAL_UART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (uint16_t)(__REQ__)) 

/** @brief  Enable UART
  * @param  __HANDLE__: specifies the UART Handle.
  *         The Handle Instance can be UARTx where x: 1, 2, 3, 4 or 5 to select the UART peripheral
  * @retval None
  */ 
#define __HAL_UART_ENABLE(__HANDLE__)                   ((__HANDLE__)->Instance->CR1 |=  USART_CR1_UE)

/** @brief  Disable UART
  * @param  __HANDLE__: specifies the UART Handle.
  *         The Handle Instance can be UARTx where x: 1, 2, 3, 4 or 5 to select the UART peripheral
  * @retval None
  */
#define __HAL_UART_DISABLE(__HANDLE__)                  ((__HANDLE__)->Instance->CR1 &=  ~USART_CR1_UE)

/**
  * @}
  */

/* Private macros --------------------------------------------------------*/
/** @defgroup UART_Private_Macros   UART Private Macros
  * @{
  */

/** @brief  BRR division operation to set BRR register in 8-bit oversampling mode
  * @param  _PCLK_: UART clock
  * @param  _BAUD_: Baud rate set by the user
  * @retval Division result
  */
#define __DIV_SAMPLING8(_PCLK_, _BAUD_)             (((_PCLK_)*2)/((_BAUD_)))

/** @brief  BRR division operation to set BRR register in 16-bit oversampling mode
  * @param  _PCLK_: UART clock
  * @param  _BAUD_: Baud rate set by the user
  * @retval Division result
  */
#define __DIV_SAMPLING16(_PCLK_, _BAUD_)             (((_PCLK_))/((_BAUD_)))

/** @brief  Check UART 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_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 9000001)

/** @brief  Check UART assertion time
  * @param  TIME: 5-bit value assertion time
  * @retval Test result (TRUE or FALSE). 
  */ 
#define IS_UART_ASSERTIONTIME(TIME)    ((TIME) <= 0x1F)

/** @brief  Check UART deassertion time
  * @param  TIME: 5-bit value deassertion time
  * @retval Test result (TRUE or FALSE). 
  */
#define IS_UART_DEASSERTIONTIME(TIME) ((TIME) <= 0x1F)

/**
  * @}
  */

/* Include UART HAL Extension module */
#include "stm32f0xx_hal_uart_ex.h"  

/* Exported functions --------------------------------------------------------*/

/** @addtogroup UART_Exported_Functions UART Exported Functions
  * @{
  */
  
/** @addtogroup UART_Exported_Functions_Group1 Initialization and de-initialization functions 
  * @{
  */

/* Initialization and de-initialization functions  ****************************/
HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart);
void HAL_UART_MspInit(UART_HandleTypeDef *huart);
void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);

/**
  * @}
  */

/** @addtogroup UART_Exported_Functions_Group2 IO operation functions 
  * @{
  */

/* IO operation functions *****************************************************/
HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);

/**
  * @}
  */

/** @addtogroup UART_Exported_Functions_Group3 Peripheral Control functions
  * @{
  */

/* Peripheral Control functions ***********************************************/
void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);

/**
  * @}
  */

/** @addtogroup UART_Exported_Functions_Group4 Peripheral State and Errors functions 
  * @{
  */

/* Peripheral State and Errors functions  **************************************************/
HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart);

/**
  * @}
  */ 

/**
  * @}
  */ 

/** @addtogroup UART_Private_Functions
  * @{
  */
void UART_AdvFeatureConfig(UART_HandleTypeDef *huart);
HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart);
HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart);
HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart);
HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart);
HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Timeout);
/**
  * @}
  */ 
  
/**
  * @}
  */ 

/**
  * @}
  */

#ifdef __cplusplus
}
#endif

#endif /* __STM32F0xx_HAL_UART_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/