text: /**
    ******************************************************************************
    * @file    stm32l4xx_hal_lcd.h
    * @author  MCD Application Team
    * @version V1.5.1
    * @date    31-May-2016
    * @brief   Header file of LCD Controller HAL module.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2016 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 __STM32L4xx_HAL_LCD_H
  #define __STM32L4xx_HAL_LCD_H
  
  #ifdef __cplusplus
   extern "C" {
  #endif
  
  #if defined(STM32L433xx) || defined(STM32L443xx) || defined(STM32L476xx) || defined(STM32L486xx)
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32l4xx_hal_def.h"
  
  /** @addtogroup STM32L4xx_HAL_Driver
    * @{
    */
  
  /** @addtogroup LCD
    * @{
    */
  
  /* Exported types ------------------------------------------------------------*/
  /** @defgroup LCD_Exported_Types LCD Exported Types
    * @{
    */
  
  /**
    * @brief LCD Init structure definition
    */
  
  typedef struct
  {
    uint32_t Prescaler;       /*!< Configures the LCD Prescaler.
                                   This parameter can be one value of @ref LCD_Prescaler */
    uint32_t Divider;         /*!< Configures the LCD Divider.
                                   This parameter can be one value of @ref LCD_Divider */
    uint32_t Duty;            /*!< Configures the LCD Duty.
                                   This parameter can be one value of @ref LCD_Duty */
    uint32_t Bias;            /*!< Configures the LCD Bias.
                                   This parameter can be one value of @ref LCD_Bias */
    uint32_t VoltageSource;   /*!< Selects the LCD Voltage source.
                                   This parameter can be one value of @ref LCD_Voltage_Source */
    uint32_t Contrast;        /*!< Configures the LCD Contrast.
                                   This parameter can be one value of @ref LCD_Contrast */
    uint32_t DeadTime;        /*!< Configures the LCD Dead Time.
                                   This parameter can be one value of @ref LCD_DeadTime */
    uint32_t PulseOnDuration; /*!< Configures the LCD Pulse On Duration.
                                   This parameter can be one value of @ref LCD_PulseOnDuration */
    uint32_t HighDrive;       /*!< Enable or disable the low resistance divider.
                                   This parameter can be one value of @ref LCD_HighDrive */
    uint32_t BlinkMode;       /*!< Configures the LCD Blink Mode.
                                   This parameter can be one value of @ref LCD_BlinkMode */
    uint32_t BlinkFrequency;  /*!< Configures the LCD Blink frequency.
                                   This parameter can be one value of @ref LCD_BlinkFrequency */
    uint32_t MuxSegment;      /*!< Enable or disable mux segment.
                                   This parameter can be one value of @ref LCD_MuxSegment */
  } LCD_InitTypeDef;
  
  /**
    * @brief HAL LCD State structures definition
    */
  typedef enum
  {
    HAL_LCD_STATE_RESET             = 0x00,    /*!< Peripheral is not yet Initialized */
    HAL_LCD_STATE_READY             = 0x01,    /*!< Peripheral Initialized and ready for use */
    HAL_LCD_STATE_BUSY              = 0x02,    /*!< an internal process is ongoing */
    HAL_LCD_STATE_TIMEOUT           = 0x03,    /*!< Timeout state */
    HAL_LCD_STATE_ERROR             = 0x04     /*!< Error */
  } HAL_LCD_StateTypeDef;
  
  /**
    * @brief  UART handle Structure definition
    */
  typedef struct
  {
    LCD_TypeDef                   *Instance;  /* LCD registers base address */
  
    LCD_InitTypeDef               Init;       /* LCD communication parameters */
  
    HAL_LockTypeDef               Lock;       /* Locking object */
  
    __IO HAL_LCD_StateTypeDef     State;      /* LCD communication state */
  
    __IO uint32_t                 ErrorCode;  /* LCD Error code */
  
  }LCD_HandleTypeDef;
  /**
    * @}
    */
  
  /* Exported constants --------------------------------------------------------*/
  /** @defgroup LCD_Exported_Constants LCD Exported Constants
    * @{
    */
  
  /** @defgroup  LCD_ErrorCode LCD Error Code
    * @{
    */ 
  #define HAL_LCD_ERROR_NONE       ((uint32_t)0x00)    /*!< No error */
  #define HAL_LCD_ERROR_FCRSF      ((uint32_t)0x01)    /*!< Synchro flag timeout error */
  #define HAL_LCD_ERROR_UDR        ((uint32_t)0x02)    /*!< Update display request flag timeout error */
  #define HAL_LCD_ERROR_UDD        ((uint32_t)0x04)    /*!< Update display done flag timeout error */
  #define HAL_LCD_ERROR_ENS        ((uint32_t)0x08)    /*!< LCD enabled status flag timeout error */
  #define HAL_LCD_ERROR_RDY        ((uint32_t)0x10)    /*!< LCD Booster ready timeout error */
  /**
    * @}
    */
    
  /** @defgroup LCD_Prescaler LCD Prescaler
    * @{
    */
  #define LCD_PRESCALER_1        ((uint32_t)0x00000000)  /*!< CLKPS = LCDCLK        */
  #define LCD_PRESCALER_2        ((uint32_t)0x00400000)  /*!< CLKPS = LCDCLK/2      */
  #define LCD_PRESCALER_4        ((uint32_t)0x00800000)  /*!< CLKPS = LCDCLK/4      */
  #define LCD_PRESCALER_8        ((uint32_t)0x00C00000)  /*!< CLKPS = LCDCLK/8      */
  #define LCD_PRESCALER_16       ((uint32_t)0x01000000)  /*!< CLKPS = LCDCLK/16     */
  #define LCD_PRESCALER_32       ((uint32_t)0x01400000)  /*!< CLKPS = LCDCLK/32     */
  #define LCD_PRESCALER_64       ((uint32_t)0x01800000)  /*!< CLKPS = LCDCLK/64     */
  #define LCD_PRESCALER_128      ((uint32_t)0x01C00000)  /*!< CLKPS = LCDCLK/128    */
  #define LCD_PRESCALER_256      ((uint32_t)0x02000000)  /*!< CLKPS = LCDCLK/256    */
  #define LCD_PRESCALER_512      ((uint32_t)0x02400000)  /*!< CLKPS = LCDCLK/512    */
  #define LCD_PRESCALER_1024     ((uint32_t)0x02800000)  /*!< CLKPS = LCDCLK/1024   */
  #define LCD_PRESCALER_2048     ((uint32_t)0x02C00000)  /*!< CLKPS = LCDCLK/2048   */
  #define LCD_PRESCALER_4096     ((uint32_t)0x03000000)  /*!< CLKPS = LCDCLK/4096   */
  #define LCD_PRESCALER_8192     ((uint32_t)0x03400000)  /*!< CLKPS = LCDCLK/8192   */
  #define LCD_PRESCALER_16384    ((uint32_t)0x03800000)  /*!< CLKPS = LCDCLK/16384  */
  #define LCD_PRESCALER_32768    ((uint32_t)0x03C00000)  /*!< CLKPS = LCDCLK/32768  */
  /**
    * @}
    */
  
  /** @defgroup LCD_Divider LCD Divider
    * @{
    */
  #define LCD_DIVIDER_16    ((uint32_t)0x00000000)  /*!< LCD frequency = CLKPS/16 */
  #define LCD_DIVIDER_17    ((uint32_t)0x00040000)  /*!< LCD frequency = CLKPS/17 */
  #define LCD_DIVIDER_18    ((uint32_t)0x00080000)  /*!< LCD frequency = CLKPS/18 */
  #define LCD_DIVIDER_19    ((uint32_t)0x000C0000)  /*!< LCD frequency = CLKPS/19 */
  #define LCD_DIVIDER_20    ((uint32_t)0x00100000)  /*!< LCD frequency = CLKPS/20 */
  #define LCD_DIVIDER_21    ((uint32_t)0x00140000)  /*!< LCD frequency = CLKPS/21 */
  #define LCD_DIVIDER_22    ((uint32_t)0x00180000)  /*!< LCD frequency = CLKPS/22 */
  #define LCD_DIVIDER_23    ((uint32_t)0x001C0000)  /*!< LCD frequency = CLKPS/23 */
  #define LCD_DIVIDER_24    ((uint32_t)0x00200000)  /*!< LCD frequency = CLKPS/24 */
  #define LCD_DIVIDER_25    ((uint32_t)0x00240000)  /*!< LCD frequency = CLKPS/25 */
  #define LCD_DIVIDER_26    ((uint32_t)0x00280000)  /*!< LCD frequency = CLKPS/26 */
  #define LCD_DIVIDER_27    ((uint32_t)0x002C0000)  /*!< LCD frequency = CLKPS/27 */
  #define LCD_DIVIDER_28    ((uint32_t)0x00300000)  /*!< LCD frequency = CLKPS/28 */
  #define LCD_DIVIDER_29    ((uint32_t)0x00340000)  /*!< LCD frequency = CLKPS/29 */
  #define LCD_DIVIDER_30    ((uint32_t)0x00380000)  /*!< LCD frequency = CLKPS/30 */
  #define LCD_DIVIDER_31    ((uint32_t)0x003C0000)  /*!< LCD frequency = CLKPS/31 */
  /**
    * @}
    */
  
  
  /** @defgroup LCD_Duty LCD Duty
    * @{
    */
  #define LCD_DUTY_STATIC                 ((uint32_t)0x00000000)            /*!< Static duty */
  #define LCD_DUTY_1_2                    (LCD_CR_DUTY_0)                   /*!< 1/2 duty    */
  #define LCD_DUTY_1_3                    (LCD_CR_DUTY_1)                   /*!< 1/3 duty    */
  #define LCD_DUTY_1_4                    ((LCD_CR_DUTY_1 | LCD_CR_DUTY_0)) /*!< 1/4 duty    */
  #define LCD_DUTY_1_8                    (LCD_CR_DUTY_2)                   /*!< 1/8 duty    */
  /**
    * @}
    */
  
  
  /** @defgroup LCD_Bias LCD Bias
    * @{
    */
  #define LCD_BIAS_1_4                    ((uint32_t)0x00000000)  /*!< 1/4 Bias */
  #define LCD_BIAS_1_2                    LCD_CR_BIAS_0           /*!< 1/2 Bias */
  #define LCD_BIAS_1_3                    LCD_CR_BIAS_1           /*!< 1/3 Bias */
  /**
    * @}
    */
  
  /** @defgroup LCD_Voltage_Source LCD Voltage Source
    * @{
    */
  #define LCD_VOLTAGESOURCE_INTERNAL      ((uint32_t)0x00000000)  /*!< Internal voltage source for the LCD */
  #define LCD_VOLTAGESOURCE_EXTERNAL      LCD_CR_VSEL             /*!< External voltage source for the LCD */
  /**
    * @}
    */
  
  /** @defgroup LCD_Interrupts LCD Interrupts
    * @{
    */
  #define LCD_IT_SOF                      LCD_FCR_SOFIE
  #define LCD_IT_UDD                      LCD_FCR_UDDIE
  /**
    * @}
    */
  
  /** @defgroup LCD_PulseOnDuration LCD Pulse On Duration
    * @{
    */
  #define LCD_PULSEONDURATION_0           ((uint32_t)0x00000000)          /*!< Pulse ON duration = 0 pulse   */
  #define LCD_PULSEONDURATION_1           (LCD_FCR_PON_0)                 /*!< Pulse ON duration = 1/CK_PS  */
  #define LCD_PULSEONDURATION_2           (LCD_FCR_PON_1)                 /*!< Pulse ON duration = 2/CK_PS  */
  #define LCD_PULSEONDURATION_3           (LCD_FCR_PON_1 | LCD_FCR_PON_0) /*!< Pulse ON duration = 3/CK_PS  */
  #define LCD_PULSEONDURATION_4           (LCD_FCR_PON_2)                 /*!< Pulse ON duration = 4/CK_PS  */
  #define LCD_PULSEONDURATION_5           (LCD_FCR_PON_2 | LCD_FCR_PON_0) /*!< Pulse ON duration = 5/CK_PS  */
  #define LCD_PULSEONDURATION_6           (LCD_FCR_PON_2 | LCD_FCR_PON_1) /*!< Pulse ON duration = 6/CK_PS  */
  #define LCD_PULSEONDURATION_7           (LCD_FCR_PON)                   /*!< Pulse ON duration = 7/CK_PS  */
  /**
    * @}
    */
  
  
  /** @defgroup LCD_DeadTime LCD Dead Time
    * @{
    */
  #define LCD_DEADTIME_0                  ((uint32_t)0x00000000)            /*!< No dead Time  */
  #define LCD_DEADTIME_1                  (LCD_FCR_DEAD_0)                  /*!< One Phase between different couple of Frame   */
  #define LCD_DEADTIME_2                  (LCD_FCR_DEAD_1)                  /*!< Two Phase between different couple of Frame   */
  #define LCD_DEADTIME_3                  (LCD_FCR_DEAD_1 | LCD_FCR_DEAD_0) /*!< Three Phase between different couple of Frame */
  #define LCD_DEADTIME_4                  (LCD_FCR_DEAD_2)                  /*!< Four Phase between different couple of Frame  */
  #define LCD_DEADTIME_5                  (LCD_FCR_DEAD_2 | LCD_FCR_DEAD_0) /*!< Five Phase between different couple of Frame  */
  #define LCD_DEADTIME_6                  (LCD_FCR_DEAD_2 | LCD_FCR_DEAD_1) /*!< Six Phase between different couple of Frame   */
  #define LCD_DEADTIME_7                  (LCD_FCR_DEAD)                    /*!< Seven Phase between different couple of Frame */
  /**
    * @}
    */
  
  /** @defgroup LCD_BlinkMode LCD Blink Mode
    * @{
    */
  #define LCD_BLINKMODE_OFF               ((uint32_t)0x00000000)  /*!< Blink disabled            */
  #define LCD_BLINKMODE_SEG0_COM0         (LCD_FCR_BLINK_0)       /*!< Blink enabled on SEG[0], COM[0] (1 pixel)   */
  #define LCD_BLINKMODE_SEG0_ALLCOM       (LCD_FCR_BLINK_1)       /*!< Blink enabled on SEG[0], all COM (up to
                                                                      8 pixels according to the programmed duty)  */
  #define LCD_BLINKMODE_ALLSEG_ALLCOM     (LCD_FCR_BLINK)         /*!< Blink enabled on all SEG and all COM (all pixels)  */
  /**
    * @}
    */
  
  /** @defgroup LCD_BlinkFrequency LCD Blink Frequency
    * @{
    */
  #define LCD_BLINKFREQUENCY_DIV8         ((uint32_t)0x00000000)                /*!< The Blink frequency = fLCD/8    */
  #define LCD_BLINKFREQUENCY_DIV16        (LCD_FCR_BLINKF_0)                    /*!< The Blink frequency = fLCD/16   */
  #define LCD_BLINKFREQUENCY_DIV32        (LCD_FCR_BLINKF_1)                    /*!< The Blink frequency = fLCD/32   */
  #define LCD_BLINKFREQUENCY_DIV64        (LCD_FCR_BLINKF_1 | LCD_FCR_BLINKF_0) /*!< The Blink frequency = fLCD/64   */
  #define LCD_BLINKFREQUENCY_DIV128       (LCD_FCR_BLINKF_2)                    /*!< The Blink frequency = fLCD/128  */
  #define LCD_BLINKFREQUENCY_DIV256       (LCD_FCR_BLINKF_2 |LCD_FCR_BLINKF_0)  /*!< The Blink frequency = fLCD/256  */
  #define LCD_BLINKFREQUENCY_DIV512       (LCD_FCR_BLINKF_2 |LCD_FCR_BLINKF_1)  /*!< The Blink frequency = fLCD/512  */
  #define LCD_BLINKFREQUENCY_DIV1024      (LCD_FCR_BLINKF)                      /*!< The Blink frequency = fLCD/1024 */
  /**
    * @}
    */
  
  /** @defgroup LCD_Contrast LCD Contrast
    * @{
    */
  #define LCD_CONTRASTLEVEL_0               ((uint32_t)0x00000000)        /*!< Maximum Voltage = 2.60V    */
  #define LCD_CONTRASTLEVEL_1               (LCD_FCR_CC_0)                /*!< Maximum Voltage = 2.73V    */
  #define LCD_CONTRASTLEVEL_2               (LCD_FCR_CC_1)                /*!< Maximum Voltage = 2.86V    */
  #define LCD_CONTRASTLEVEL_3               (LCD_FCR_CC_1 | LCD_FCR_CC_0) /*!< Maximum Voltage = 2.99V    */
  #define LCD_CONTRASTLEVEL_4               (LCD_FCR_CC_2)                /*!< Maximum Voltage = 3.12V    */
  #define LCD_CONTRASTLEVEL_5               (LCD_FCR_CC_2 | LCD_FCR_CC_0) /*!< Maximum Voltage = 3.26V    */
  #define LCD_CONTRASTLEVEL_6               (LCD_FCR_CC_2 | LCD_FCR_CC_1) /*!< Maximum Voltage = 3.40V    */
  #define LCD_CONTRASTLEVEL_7               (LCD_FCR_CC)                  /*!< Maximum Voltage = 3.55V    */
  /**
    * @}
    */
  
  /** @defgroup LCD_RAMRegister LCD RAMRegister
    * @{
    */
  #define LCD_RAM_REGISTER0               ((uint32_t)0x00000000) /*!< LCD RAM Register 0  */
  #define LCD_RAM_REGISTER1               ((uint32_t)0x00000001) /*!< LCD RAM Register 1  */
  #define LCD_RAM_REGISTER2               ((uint32_t)0x00000002) /*!< LCD RAM Register 2  */
  #define LCD_RAM_REGISTER3               ((uint32_t)0x00000003) /*!< LCD RAM Register 3  */
  #define LCD_RAM_REGISTER4               ((uint32_t)0x00000004) /*!< LCD RAM Register 4  */
  #define LCD_RAM_REGISTER5               ((uint32_t)0x00000005) /*!< LCD RAM Register 5  */
  #define LCD_RAM_REGISTER6               ((uint32_t)0x00000006) /*!< LCD RAM Register 6  */
  #define LCD_RAM_REGISTER7               ((uint32_t)0x00000007) /*!< LCD RAM Register 7  */
  #define LCD_RAM_REGISTER8               ((uint32_t)0x00000008) /*!< LCD RAM Register 8  */
  #define LCD_RAM_REGISTER9               ((uint32_t)0x00000009) /*!< LCD RAM Register 9  */
  #define LCD_RAM_REGISTER10              ((uint32_t)0x0000000A) /*!< LCD RAM Register 10 */
  #define LCD_RAM_REGISTER11              ((uint32_t)0x0000000B) /*!< LCD RAM Register 11 */
  #define LCD_RAM_REGISTER12              ((uint32_t)0x0000000C) /*!< LCD RAM Register 12 */
  #define LCD_RAM_REGISTER13              ((uint32_t)0x0000000D) /*!< LCD RAM Register 13 */
  #define LCD_RAM_REGISTER14              ((uint32_t)0x0000000E) /*!< LCD RAM Register 14 */
  #define LCD_RAM_REGISTER15              ((uint32_t)0x0000000F) /*!< LCD RAM Register 15 */
  /**
    * @}
    */
  
  /** @defgroup LCD_HighDrive LCD High Drive
    * @{
    */
  
  #define LCD_HIGHDRIVE_DISABLE             ((uint32_t)0x00000000)        /*!< High drive disabled */
  #define LCD_HIGHDRIVE_ENABLE              (LCD_FCR_HD)                  /*!< High drive enabled  */
  /**
    * @}
    */
  
  /** @defgroup LCD_MuxSegment LCD Mux Segment
    * @{
    */
  
  #define LCD_MUXSEGMENT_DISABLE            ((uint32_t)0x00000000)        /*!< SEG pin multiplexing disabled */
  #define LCD_MUXSEGMENT_ENABLE             (LCD_CR_MUX_SEG)              /*!< SEG[31:28] are multiplexed with SEG[43:40]    */
  /**
    * @}
    */
  
  /** @defgroup LCD_Flag_Definition LCD Flags Definition
    * @{
    */
  #define LCD_FLAG_ENS                    LCD_SR_ENS   /*!< LCD enabled status */
  #define LCD_FLAG_SOF                    LCD_SR_SOF   /*!< Start of frame flag */
  #define LCD_FLAG_UDR                    LCD_SR_UDR   /*!< Update display request */
  #define LCD_FLAG_UDD                    LCD_SR_UDD   /*!< Update display done */
  #define LCD_FLAG_RDY                    LCD_SR_RDY   /*!< Ready flag */
  #define LCD_FLAG_FCRSF                  LCD_SR_FCRSR /*!< LCD Frame Control Register Synchronization flag */
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /* Exported macros -----------------------------------------------------------*/
  /** @defgroup LCD_Exported_Macros LCD Exported Macros
    * @{
    */
  
  /** @brief Reset LCD handle state.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @retval None
    */
  #define __HAL_LCD_RESET_HANDLE_STATE(__HANDLE__)  ((__HANDLE__)->State = HAL_LCD_STATE_RESET)
  
  /** @brief  Enable the LCD peripheral.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @retval None
    */
  #define __HAL_LCD_ENABLE(__HANDLE__)              SET_BIT((__HANDLE__)->Instance->CR, LCD_CR_LCDEN)
  
  /** @brief  Disable the LCD peripheral.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @retval None
    */
  #define __HAL_LCD_DISABLE(__HANDLE__)             CLEAR_BIT((__HANDLE__)->Instance->CR, LCD_CR_LCDEN)
  
  /** @brief  Enable the low resistance divider.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @note   Displays with high internal resistance may need a longer drive time to
    *         achieve satisfactory contrast. This function is useful in this case if
    *         some additional power consumption can be tolerated.
    * @note   When this mode is enabled, the PulseOn Duration (PON) have to be
    *         programmed to 1/CK_PS (LCD_PULSEONDURATION_1).
    * @retval None
    */
  #define __HAL_LCD_HIGHDRIVER_ENABLE(__HANDLE__)                       \
                    do {                                                \
                      SET_BIT((__HANDLE__)->Instance->FCR, LCD_FCR_HD); \
                      LCD_WaitForSynchro(__HANDLE__);                   \
                    } while(0)
  
  /** @brief  Disable the low resistance divider.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @retval None
    */
  #define __HAL_LCD_HIGHDRIVER_DISABLE(__HANDLE__)                        \
                    do {                                                  \
                      CLEAR_BIT((__HANDLE__)->Instance->FCR, LCD_FCR_HD); \
                      LCD_WaitForSynchro(__HANDLE__);                     \
                    } while(0)
  
  /** @brief  Enable the voltage output buffer for higher driving capability.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @retval None
    */
  #define __HAL_LCD_VOLTAGE_BUFFER_ENABLE(__HANDLE__)   SET_BIT((__HANDLE__)->Instance->CR, LCD_CR_BUFEN)
  
  /** @brief  Disable the voltage output buffer for higher driving capability.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @retval None
    */
  #define __HAL_LCD_VOLTAGE_BUFFER_DISABLE(__HANDLE__)  CLEAR_BIT((__HANDLE__)->Instance->CR, LCD_CR_BUFEN)
  
  /**
    * @brief  Configure the LCD pulse on duration.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @param  __DURATION__: specifies the LCD pulse on duration in terms of
    *         CK_PS (prescaled LCD clock period) pulses.
    *   This parameter can be one of the following values:
    *     @arg LCD_PULSEONDURATION_0: 0 pulse
    *     @arg LCD_PULSEONDURATION_1: Pulse ON duration = 1/CK_PS
    *     @arg LCD_PULSEONDURATION_2: Pulse ON duration = 2/CK_PS
    *     @arg LCD_PULSEONDURATION_3: Pulse ON duration = 3/CK_PS
    *     @arg LCD_PULSEONDURATION_4: Pulse ON duration = 4/CK_PS
    *     @arg LCD_PULSEONDURATION_5: Pulse ON duration = 5/CK_PS
    *     @arg LCD_PULSEONDURATION_6: Pulse ON duration = 6/CK_PS
    *     @arg LCD_PULSEONDURATION_7: Pulse ON duration = 7/CK_PS
    * @retval None
    */
  #define __HAL_LCD_PULSEONDURATION_CONFIG(__HANDLE__, __DURATION__)                        \
                    do {                                                                    \
                      MODIFY_REG((__HANDLE__)->Instance->FCR, LCD_FCR_PON, (__DURATION__)); \
                      LCD_WaitForSynchro(__HANDLE__);                                       \
                    } while(0)
  
  /**
    * @brief  Configure the LCD dead time.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @param  __DEADTIME__: specifies the LCD dead time.
    *   This parameter can be one of the following values:
    *     @arg LCD_DEADTIME_0: No dead Time
    *     @arg LCD_DEADTIME_1: One Phase between different couple of Frame
    *     @arg LCD_DEADTIME_2: Two Phase between different couple of Frame
    *     @arg LCD_DEADTIME_3: Three Phase between different couple of Frame
    *     @arg LCD_DEADTIME_4: Four Phase between different couple of Frame
    *     @arg LCD_DEADTIME_5: Five Phase between different couple of Frame
    *     @arg LCD_DEADTIME_6: Six Phase between different couple of Frame
    *     @arg LCD_DEADTIME_7: Seven Phase between different couple of Frame
    * @retval None
    */
  #define __HAL_LCD_DEADTIME_CONFIG(__HANDLE__, __DEADTIME__)                                \
                    do {                                                                     \
                      MODIFY_REG((__HANDLE__)->Instance->FCR, LCD_FCR_DEAD, (__DEADTIME__)); \
                      LCD_WaitForSynchro(__HANDLE__);                                        \
                    } while(0)
  
  /**
    * @brief  Configure the LCD contrast.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @param  __CONTRAST__: specifies the LCD Contrast.
    *   This parameter can be one of the following values:
    *     @arg LCD_CONTRASTLEVEL_0: Maximum Voltage = 2.60V
    *     @arg LCD_CONTRASTLEVEL_1: Maximum Voltage = 2.73V
    *     @arg LCD_CONTRASTLEVEL_2: Maximum Voltage = 2.86V
    *     @arg LCD_CONTRASTLEVEL_3: Maximum Voltage = 2.99V
    *     @arg LCD_CONTRASTLEVEL_4: Maximum Voltage = 3.12V
    *     @arg LCD_CONTRASTLEVEL_5: Maximum Voltage = 3.25V
    *     @arg LCD_CONTRASTLEVEL_6: Maximum Voltage = 3.38V
    *     @arg LCD_CONTRASTLEVEL_7: Maximum Voltage = 3.51V
    * @retval None
    */
  #define __HAL_LCD_CONTRAST_CONFIG(__HANDLE__, __CONTRAST__)                           \
                do {                                                                    \
                  MODIFY_REG((__HANDLE__)->Instance->FCR, LCD_FCR_CC, (__CONTRAST__));  \
                  LCD_WaitForSynchro(__HANDLE__);                                       \
                } while(0)
  
  /**
    * @brief  Configure the LCD Blink mode and Blink frequency.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @param  __BLINKMODE__: specifies the LCD blink mode.
    *   This parameter can be one of the following values:
    *     @arg LCD_BLINKMODE_OFF:           Blink disabled
    *     @arg LCD_BLINKMODE_SEG0_COM0:     Blink enabled on SEG[0], COM[0] (1 pixel)
    *     @arg LCD_BLINKMODE_SEG0_ALLCOM:   Blink enabled on SEG[0], all COM (up to 8
    *                                       pixels according to the programmed duty)
    *     @arg LCD_BLINKMODE_ALLSEG_ALLCOM: Blink enabled on all SEG and all COM
    *                                       (all pixels)
    * @param  __BLINKFREQUENCY__: specifies the LCD blink frequency.
    *     @arg LCD_BLINKFREQUENCY_DIV8:    The Blink frequency = fLcd/8
    *     @arg LCD_BLINKFREQUENCY_DIV16:   The Blink frequency = fLcd/16
    *     @arg LCD_BLINKFREQUENCY_DIV32:   The Blink frequency = fLcd/32
    *     @arg LCD_BLINKFREQUENCY_DIV64:   The Blink frequency = fLcd/64
    *     @arg LCD_BLINKFREQUENCY_DIV128:  The Blink frequency = fLcd/128
    *     @arg LCD_BLINKFREQUENCY_DIV256:  The Blink frequency = fLcd/256
    *     @arg LCD_BLINKFREQUENCY_DIV512:  The Blink frequency = fLcd/512
    *     @arg LCD_BLINKFREQUENCY_DIV1024: The Blink frequency = fLcd/1024
    * @retval None
    */
  #define __HAL_LCD_BLINK_CONFIG(__HANDLE__, __BLINKMODE__, __BLINKFREQUENCY__)         \
                do {                                                                    \
                  MODIFY_REG((__HANDLE__)->Instance->FCR, (LCD_FCR_BLINKF | LCD_FCR_BLINK), ((__BLINKMODE__) | (__BLINKFREQUENCY__))); \
                  LCD_WaitForSynchro(__HANDLE__);                                       \
                } while(0)
  
  /** @brief  Enable the specified LCD interrupt.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @param  __INTERRUPT__: specifies the LCD interrupt source to be enabled.
    *          This parameter can be one of the following values:
    *     @arg LCD_IT_SOF: Start of Frame Interrupt
    *     @arg LCD_IT_UDD: Update Display Done Interrupt
    * @retval None
    */
  #define __HAL_LCD_ENABLE_IT(__HANDLE__, __INTERRUPT__)                      \
                    do {                                                      \
                      SET_BIT((__HANDLE__)->Instance->FCR, (__INTERRUPT__));  \
                      LCD_WaitForSynchro(__HANDLE__);                         \
                    } while(0)
  
  /** @brief  Disable the specified LCD interrupt.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @param  __INTERRUPT__: specifies the LCD interrupt source to be disabled.
    *          This parameter can be one of the following values:
    *     @arg LCD_IT_SOF: Start of Frame Interrupt
    *     @arg LCD_IT_UDD: Update Display Done Interrupt
    * @retval None
    */
  #define __HAL_LCD_DISABLE_IT(__HANDLE__, __INTERRUPT__)                      \
                    do {                                                       \
                      CLEAR_BIT((__HANDLE__)->Instance->FCR, (__INTERRUPT__)); \
                      LCD_WaitForSynchro(__HANDLE__);                          \
                    } while(0)
  
  /** @brief  Check whether the specified LCD interrupt source is enabled or not.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @param  __IT__: specifies the LCD interrupt source to check.
    *        This parameter can be one of the following values:
    *        @arg LCD_IT_SOF: Start of Frame Interrupt
    *        @arg LCD_IT_UDD: Update Display Done Interrupt.
    * @note If the device is in STOP mode (PCLK not provided) UDD will not
    *          generate an interrupt even if UDDIE = 1.
    *          If the display is not enabled the UDD interrupt will never occur.
    * @retval The state of __IT__ (TRUE or FALSE).
    */
  #define __HAL_LCD_GET_IT_SOURCE(__HANDLE__, __IT__) (((__HANDLE__)->Instance->FCR) & (__IT__))
  
  /** @brief  Check whether the specified LCD flag is set or not.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @param  __FLAG__: specifies the flag to check.
    *        This parameter can be one of the following values:
    *        @arg LCD_FLAG_ENS: LCD Enabled flag. It indicates the LCD controller status.
    * @note  The ENS bit is set immediately when the LCDEN bit in the LCD_CR
    *             goes from 0 to 1. On deactivation it reflects the real status of
    *             LCD so it becomes 0 at the end of the last displayed frame.
    *        @arg LCD_FLAG_SOF: Start of Frame flag. This flag is set by hardware at
    *             the beginning of a new frame, at the same time as the display data is
    *             updated.
    *        @arg LCD_FLAG_UDR: Update Display Request flag.
    *        @arg LCD_FLAG_UDD: Update Display Done flag.
    *        @arg LCD_FLAG_RDY: Step_up converter Ready flag. It indicates the status
    *             of the step-up converter.
    *        @arg LCD_FLAG_FCRSF: LCD Frame Control Register Synchronization Flag.
    *             This flag is set by hardware each time the LCD_FCR register is updated
    *             in the LCDCLK domain.
    * @retval The new state of __FLAG__ (TRUE or FALSE).
    */
  #define __HAL_LCD_GET_FLAG(__HANDLE__, __FLAG__)    (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
  
  /** @brief  Clear the specified LCD pending flag.
    * @param  __HANDLE__: specifies the LCD Handle.
    * @param  __FLAG__: specifies the flag to clear.
    *        This parameter can be any combination of the following values:
    *        @arg LCD_FLAG_SOF: Start of Frame Interrupt
    *        @arg LCD_FLAG_UDD: Update Display Done Interrupt
    * @retval None
    */
  #define __HAL_LCD_CLEAR_FLAG(__HANDLE__, __FLAG__)  WRITE_REG((__HANDLE__)->Instance->CLR, (__FLAG__))
  
  /**
    * @}
    */
  
  /* Exported functions ------------------------------------------------------- */
  /** @addtogroup LCD_Exported_Functions
    * @{
    */
  
  /* Initialization/de-initialization methods  **********************************/
  /** @addtogroup LCD_Exported_Functions_Group1
    * @{
    */
  HAL_StatusTypeDef    HAL_LCD_DeInit(LCD_HandleTypeDef *hlcd);
  HAL_StatusTypeDef    HAL_LCD_Init(LCD_HandleTypeDef *hlcd);
  void                 HAL_LCD_MspInit(LCD_HandleTypeDef *hlcd);
  void                 HAL_LCD_MspDeInit(LCD_HandleTypeDef *hlcd);
  /**
    * @}
    */
  
  /* IO operation methods *******************************************************/
  /** @addtogroup LCD_Exported_Functions_Group2
    * @{
    */
  HAL_StatusTypeDef    HAL_LCD_Write(LCD_HandleTypeDef *hlcd, uint32_t RAMRegisterIndex, uint32_t RAMRegisterMask, uint32_t Data);
  HAL_StatusTypeDef    HAL_LCD_Clear(LCD_HandleTypeDef *hlcd);
  HAL_StatusTypeDef    HAL_LCD_UpdateDisplayRequest(LCD_HandleTypeDef *hlcd);
  /**
    * @}
    */
  
  /* Peripheral State methods  **************************************************/
  /** @addtogroup LCD_Exported_Functions_Group3
    * @{
    */
  HAL_LCD_StateTypeDef HAL_LCD_GetState(LCD_HandleTypeDef *hlcd);
  uint32_t             HAL_LCD_GetError(LCD_HandleTypeDef *hlcd);
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /* Private types -------------------------------------------------------------*/
  /* Private variables ---------------------------------------------------------*/
  /* Private constants ---------------------------------------------------------*/
  /* Private macros ------------------------------------------------------------*/
  /** @defgroup LCD_Private_Macros LCD Private Macros
    * @{
    */
  
  #define IS_LCD_PRESCALER(__PRESCALER__) (((__PRESCALER__) == LCD_PRESCALER_1)     || \
                                           ((__PRESCALER__) == LCD_PRESCALER_2)     || \
                                           ((__PRESCALER__) == LCD_PRESCALER_4)     || \
                                           ((__PRESCALER__) == LCD_PRESCALER_8)     || \
                                           ((__PRESCALER__) == LCD_PRESCALER_16)    || \
                                           ((__PRESCALER__) == LCD_PRESCALER_32)    || \
                                           ((__PRESCALER__) == LCD_PRESCALER_64)    || \
                                           ((__PRESCALER__) == LCD_PRESCALER_128)   || \
                                           ((__PRESCALER__) == LCD_PRESCALER_256)   || \
                                           ((__PRESCALER__) == LCD_PRESCALER_512)   || \
                                           ((__PRESCALER__) == LCD_PRESCALER_1024)  || \
                                           ((__PRESCALER__) == LCD_PRESCALER_2048)  || \
                                           ((__PRESCALER__) == LCD_PRESCALER_4096)  || \
                                           ((__PRESCALER__) == LCD_PRESCALER_8192)  || \
                                           ((__PRESCALER__) == LCD_PRESCALER_16384) || \
                                           ((__PRESCALER__) == LCD_PRESCALER_32768))
  
  #define IS_LCD_DIVIDER(__DIVIDER__) (((__DIVIDER__) == LCD_DIVIDER_16) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_17) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_18) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_19) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_20) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_21) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_22) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_23) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_24) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_25) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_26) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_27) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_28) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_29) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_30) || \
                                       ((__DIVIDER__) == LCD_DIVIDER_31))
  
  #define IS_LCD_DUTY(__DUTY__) (((__DUTY__) == LCD_DUTY_STATIC)  || \
                                 ((__DUTY__) == LCD_DUTY_1_2)     || \
                                 ((__DUTY__) == LCD_DUTY_1_3)     || \
                                 ((__DUTY__) == LCD_DUTY_1_4)     || \
                                 ((__DUTY__) == LCD_DUTY_1_8))
  
  #define IS_LCD_BIAS(__BIAS__) (((__BIAS__) == LCD_BIAS_1_4) || \
                                 ((__BIAS__) == LCD_BIAS_1_2) || \
                                 ((__BIAS__) == LCD_BIAS_1_3))
  
  #define IS_LCD_VOLTAGE_SOURCE(SOURCE) (((SOURCE) == LCD_VOLTAGESOURCE_INTERNAL) || \
                                         ((SOURCE) == LCD_VOLTAGESOURCE_EXTERNAL))
  
  
  #define IS_LCD_PULSE_ON_DURATION(__DURATION__) (((__DURATION__) == LCD_PULSEONDURATION_0) || \
                                                  ((__DURATION__) == LCD_PULSEONDURATION_1) || \
                                                  ((__DURATION__) == LCD_PULSEONDURATION_2) || \
                                                  ((__DURATION__) == LCD_PULSEONDURATION_3) || \
                                                  ((__DURATION__) == LCD_PULSEONDURATION_4) || \
                                                  ((__DURATION__) == LCD_PULSEONDURATION_5) || \
                                                  ((__DURATION__) == LCD_PULSEONDURATION_6) || \
                                                  ((__DURATION__) == LCD_PULSEONDURATION_7))
  
  #define IS_LCD_DEAD_TIME(__TIME__) (((__TIME__) == LCD_DEADTIME_0) || \
                                      ((__TIME__) == LCD_DEADTIME_1) || \
                                      ((__TIME__) == LCD_DEADTIME_2) || \
                                      ((__TIME__) == LCD_DEADTIME_3) || \
                                      ((__TIME__) == LCD_DEADTIME_4) || \
                                      ((__TIME__) == LCD_DEADTIME_5) || \
                                      ((__TIME__) == LCD_DEADTIME_6) || \
                                      ((__TIME__) == LCD_DEADTIME_7))
  
  #define IS_LCD_BLINK_MODE(__MODE__) (((__MODE__) == LCD_BLINKMODE_OFF)            || \
                                       ((__MODE__) == LCD_BLINKMODE_SEG0_COM0)      || \
                                       ((__MODE__) == LCD_BLINKMODE_SEG0_ALLCOM)    || \
                                       ((__MODE__) == LCD_BLINKMODE_ALLSEG_ALLCOM))
  
  #define IS_LCD_BLINK_FREQUENCY(__FREQUENCY__) (((__FREQUENCY__) == LCD_BLINKFREQUENCY_DIV8)   || \
                                                 ((__FREQUENCY__) == LCD_BLINKFREQUENCY_DIV16)  || \
                                                 ((__FREQUENCY__) == LCD_BLINKFREQUENCY_DIV32)  || \
                                                 ((__FREQUENCY__) == LCD_BLINKFREQUENCY_DIV64)  || \
                                                 ((__FREQUENCY__) == LCD_BLINKFREQUENCY_DIV128) || \
                                                 ((__FREQUENCY__) == LCD_BLINKFREQUENCY_DIV256) || \
                                                 ((__FREQUENCY__) == LCD_BLINKFREQUENCY_DIV512) || \
                                                 ((__FREQUENCY__) == LCD_BLINKFREQUENCY_DIV1024))
  
  #define IS_LCD_CONTRAST(__CONTRAST__) (((__CONTRAST__) == LCD_CONTRASTLEVEL_0) || \
                                         ((__CONTRAST__) == LCD_CONTRASTLEVEL_1) || \
                                         ((__CONTRAST__) == LCD_CONTRASTLEVEL_2) || \
                                         ((__CONTRAST__) == LCD_CONTRASTLEVEL_3) || \
                                         ((__CONTRAST__) == LCD_CONTRASTLEVEL_4) || \
                                         ((__CONTRAST__) == LCD_CONTRASTLEVEL_5) || \
                                         ((__CONTRAST__) == LCD_CONTRASTLEVEL_6) || \
                                         ((__CONTRAST__) == LCD_CONTRASTLEVEL_7))
  
  #define IS_LCD_RAM_REGISTER(__REGISTER__) (((__REGISTER__) == LCD_RAM_REGISTER0)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER1)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER2)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER3)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER4)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER5)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER6)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER7)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER8)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER9)  || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER10) || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER11) || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER12) || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER13) || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER14) || \
                                             ((__REGISTER__) == LCD_RAM_REGISTER15))
  
  #define IS_LCD_HIGH_DRIVE(__VALUE__) (((__VALUE__) == LCD_HIGHDRIVE_DISABLE) || \
                                        ((__VALUE__) == LCD_HIGHDRIVE_ENABLE))
  
  #define IS_LCD_MUX_SEGMENT(__VALUE__) (((__VALUE__) == LCD_MUXSEGMENT_ENABLE) || \
                                         ((__VALUE__) == LCD_MUXSEGMENT_DISABLE))
  
  /**
    * @}
    */
  
  /* Private functions ---------------------------------------------------------*/
  /** @addtogroup LCD_Private_Functions
    * @{
    */
  
  HAL_StatusTypeDef     LCD_WaitForSynchro(LCD_HandleTypeDef *hlcd);
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  #endif /* STM32L433xx || STM32L443xx || STM32L476xx || STM32L486xx */
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __STM32L4xx_HAL_LCD_H */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  