--- /dev/null
+/**
+ ******************************************************************************
+ * @file stm32l0xx_hal_lcd.c
+ * @author MCD Application Team
+ * @version V1.2.0
+ * @date 06-February-2015
+ * @brief LCD Controller HAL module driver.
+ * This file provides firmware functions to manage the following
+ * functionalities of the LCD Controller (LCD) peripheral:
+ * + Initialization/de-initialization methods
+ * + I/O operation methods
+ * + Peripheral State methods
+ *
+ @verbatim
+ ==============================================================================
+ ##### How to use this driver #####
+ ==============================================================================
+ [..] The LCD HAL driver can be used as follows:
+
+ (#) Declare a LCD_HandleTypeDef handle structure.
+
+ (#) Initialize the LCD low level resources by implement the HAL_LCD_MspInit() API:
+ (##) Enable the LCDCLK (same as RTCCLK): to configure the RTCCLK/LCDCLK, proceed as follows:
+ (+) Use RCC function HAL_RCCEx_PeriphCLKConfig in indicating RCC_PERIPHCLK_LCD and
+ selected clock source (HSE, LSI or LSE)
+
+ -@- The frequency generator allows you to achieve various LCD frame rates
+ starting from an LCD input clock frequency (LCDCLK) which can vary
+ from 32 kHz up to 1 MHz.
+ (##) LCD pins configuration:
+ (+) Enable the clock for the LCD GPIOs.
+ (+) Configure these LCD pins as alternate function no-pull.
+ (##) Enable the LCD interface clock.
+
+ (#) Program the Prescaler, Divider, Blink mode, Blink Frequency Duty, Bias,
+ Voltage Source, Dead Time, Pulse On Duration and Contrast in the hlcd Init structure.
+
+ (#) Initialize the LCD registers by calling the HAL_LCD_Init() API.
+
+ -@- The HAL_LCD_Init() API configures also the low level Hardware GPIO, CLOCK, ...etc)
+ by calling the custumed HAL_LCD_MspInit() API.
+ -@- After calling the HAL_LCD_Init() the LCD RAM memory is cleared
+
+ (#) Optionally you can update the LCD configuration using these macros:
+ (+) LCD High Drive using the __HAL_LCD_HIGHDRIVER_ENABLE() and __HAL_LCD_HIGHDRIVER_DISABLE() macros
+ (+) LCD Pulse ON Duration using the __HAL_LCD_PULSEONDURATION_CONFIG() macro
+ (+) LCD Dead Time using the __HAL_LCD_DEADTIME_CONFIG() macro
+ (+) The LCD Blink mode and frequency using the __HAL_LCD_BLINK_CONFIG() macro
+ (+) The LCD Contrast using the __HAL_LCD_CONTRAST_CONFIG() macro
+
+ (#) Write to the LCD RAM memory using the HAL_LCD_Write() API, this API can be called
+ more time to update the different LCD RAM registers before calling
+ HAL_LCD_UpdateDisplayRequest() API.
+
+ (#) The HAL_LCD_Clear() API can be used to clear the LCD RAM memory.
+
+ (#) When LCD RAM memory is updated enable the update display request using
+ the HAL_LCD_UpdateDisplayRequest() API.
+
+ [..] LCD and low power modes:
+ (#) The LCD remain active during STOP mode.
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2015 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.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l0xx_hal.h"
+
+#if defined (STM32L053xx) || defined (STM32L063xx) || defined (STM32L073xx) || defined (STM32L083xx)
+
+/** @addtogroup STM32L0xx_HAL_Driver
+ * @{
+ */
+
+#ifdef HAL_LCD_MODULE_ENABLED
+
+/** @defgroup LCD LCD
+ * @brief LCD HAL module driver
+ * @{
+ */
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/** @defgroup LCD_Private_Defines LCD Private Defines
+ * @{
+ */
+#define LCD_TIMEOUT_VALUE 1000
+/**
+ * @}
+ */
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup LCD_Exported_Functions LCD Exported Functions
+ * @{
+ */
+
+/** @defgroup LCD_Exported_Functions_Group1 Initialization/de-initialization methods
+ * @brief Initialization and Configuration functions
+ *
+@verbatim
+===============================================================================
+ ##### Initialization and Configuration functions #####
+ ===============================================================================
+ [..]
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief DeInitializes the LCD peripheral.
+ * @param hlcd: LCD handle
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_LCD_DeInit(LCD_HandleTypeDef *hlcd)
+{
+ /* Check the LCD handle allocation */
+ if(hlcd == NULL)
+ {
+ return HAL_ERROR;
+ }
+
+ /* Check the parameters */
+ assert_param(IS_LCD_ALL_INSTANCE(hlcd->Instance));
+
+ /* Check the LCD peripheral state */
+ if(hlcd->State == HAL_LCD_STATE_BUSY)
+ {
+ return HAL_BUSY;
+ }
+
+ hlcd->State = HAL_LCD_STATE_BUSY;
+
+ /* Disable the peripheral */
+ __HAL_LCD_DISABLE(hlcd);
+
+ /*Disable Highdrive by default*/
+ __HAL_LCD_HIGHDRIVER_DISABLE(hlcd);
+
+ /* DeInit the low level hardware */
+ HAL_LCD_MspDeInit(hlcd);
+
+ hlcd->ErrorCode = HAL_LCD_ERROR_NONE;
+ hlcd->State = HAL_LCD_STATE_RESET;
+
+ /* Release Lock */
+ __HAL_UNLOCK(hlcd);
+
+ return HAL_OK;
+}
+
+/**
+ * @brief Initializes the LCD peripheral according to the specified parameters
+ * in the LCD_InitStruct.
+ * @note This function can be used only when the LCD is disabled.
+ * The LCD HighDrive can be enabled/disabled using related macros up to user.
+ * @param hlcd: LCD handle
+ * @retval None
+ */
+HAL_StatusTypeDef HAL_LCD_Init(LCD_HandleTypeDef *hlcd)
+{
+ uint32_t tickstart = 0x00;
+ uint8_t counter = 0;
+
+ /* Check the LCD handle allocation */
+ if(hlcd == NULL)
+ {
+ return HAL_ERROR;
+ }
+
+ /* Check function parameters */
+ assert_param(IS_LCD_ALL_INSTANCE(hlcd->Instance));
+ assert_param(IS_LCD_PRESCALER(hlcd->Init.Prescaler));
+ assert_param(IS_LCD_DIVIDER(hlcd->Init.Divider));
+ assert_param(IS_LCD_DUTY(hlcd->Init.Duty));
+ assert_param(IS_LCD_BIAS(hlcd->Init.Bias));
+ assert_param(IS_LCD_VOLTAGE_SOURCE(hlcd->Init.VoltageSource));
+ assert_param(IS_LCD_PULSE_ON_DURATION(hlcd->Init.PulseOnDuration));
+ assert_param(IS_LCD_HIGHDRIVE(hlcd->Init.HighDrive));
+ assert_param(IS_LCD_DEAD_TIME(hlcd->Init.DeadTime));
+ assert_param(IS_LCD_CONTRAST(hlcd->Init.Contrast));
+ assert_param(IS_LCD_BLINK_FREQUENCY(hlcd->Init.BlinkFrequency));
+ assert_param(IS_LCD_BLINK_MODE(hlcd->Init.BlinkMode));
+
+ if(hlcd->State == HAL_LCD_STATE_RESET)
+ {
+ /* Initialize the low level hardware (MSP) */
+ HAL_LCD_MspInit(hlcd);
+ }
+
+ hlcd->State = HAL_LCD_STATE_BUSY;
+
+ /* Disable the peripheral */
+ __HAL_LCD_DISABLE(hlcd);
+
+ /* Clear the LCD_RAM registers and enable the display request by setting the UDR bit
+ in the LCD_SR register */
+ for(counter = LCD_RAM_REGISTER0; counter <= LCD_RAM_REGISTER15; counter++)
+ {
+ hlcd->Instance->RAM[counter] = 0;
+ }
+ /* Enable the display request */
+ SET_BIT(hlcd->Instance->SR, LCD_SR_UDR);
+
+ /* Configure the LCD Prescaler, Divider, Blink mode and Blink Frequency:
+ Set PS[3:0] bits according to hlcd->Init.Prescaler value
+ Set DIV[3:0] bits according to hlcd->Init.Divider value
+ Set BLINK[1:0] bits according to hlcd->Init.BlinkMode value
+ Set BLINKF[2:0] bits according to hlcd->Init.BlinkFrequency value
+ Set DEAD[2:0] bits according to hlcd->Init.DeadTime value
+ Set PON[2:0] bits according to hlcd->Init.PulseOnDuration value
+ Set CC[2:0] bits according to hlcd->Init.Contrast value
+ Set HD[0] bit according to hlcd->Init.HighDrive value*/
+
+ MODIFY_REG(hlcd->Instance->FCR, \
+ (LCD_FCR_PS | LCD_FCR_DIV | LCD_FCR_BLINK| LCD_FCR_BLINKF | \
+ LCD_FCR_DEAD | LCD_FCR_PON | LCD_FCR_CC), \
+ (hlcd->Init.Prescaler | hlcd->Init.Divider | hlcd->Init.BlinkMode | hlcd->Init.BlinkFrequency | \
+ hlcd->Init.DeadTime | hlcd->Init.PulseOnDuration | hlcd->Init.Contrast | hlcd->Init.HighDrive));
+
+ /* Wait until LCD Frame Control Register Synchronization flag (FCRSF) is set in the LCD_SR register
+ This bit is set by hardware each time the LCD_FCR register is updated in the LCDCLK
+ domain. It is cleared by hardware when writing to the LCD_FCR register.*/
+ LCD_WaitForSynchro(hlcd);
+
+ /* Configure the LCD Duty, Bias, Voltage Source, Dead Time:
+ Set DUTY[2:0] bits according to hlcd->Init.Duty value
+ Set BIAS[1:0] bits according to hlcd->Init.Bias value
+ Set VSEL bits according to hlcd->Init.VoltageSource value */
+ MODIFY_REG(hlcd->Instance->CR, \
+ (LCD_CR_DUTY | LCD_CR_BIAS | LCD_CR_VSEL), \
+ (hlcd->Init.Duty | hlcd->Init.Bias | hlcd->Init.VoltageSource));
+
+ /* Enable the peripheral */
+ __HAL_LCD_ENABLE(hlcd);
+
+ /* Get timeout */
+ tickstart = HAL_GetTick();
+
+ /* Wait Until the LCD is enabled */
+ while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_ENS) == RESET)
+ {
+ if((HAL_GetTick() - tickstart ) > LCD_TIMEOUT_VALUE)
+ {
+ hlcd->ErrorCode = HAL_LCD_ERROR_ENS;
+ return HAL_TIMEOUT;
+ }
+ }
+
+ /* Get timeout */
+ tickstart = HAL_GetTick();
+
+ /*!< Wait Until the LCD Booster is ready */
+ while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_RDY) == RESET)
+ {
+ if((HAL_GetTick() - tickstart ) > LCD_TIMEOUT_VALUE)
+ {
+ hlcd->ErrorCode = HAL_LCD_ERROR_RDY;
+ return HAL_TIMEOUT;
+ }
+ }
+
+ /* Initialize the LCD state */
+ hlcd->ErrorCode = HAL_LCD_ERROR_NONE;
+ hlcd->State= HAL_LCD_STATE_READY;
+
+ return HAL_OK;
+}
+
+/**
+ * @brief LCD MSP DeInit.
+ * @param hlcd: LCD handle
+ * @retval None
+ */
+ __weak void HAL_LCD_MspDeInit(LCD_HandleTypeDef *hlcd)
+{
+ /* NOTE: This function Should not be modified, when the callback is needed,
+ the HAL_LCD_MspDeInit could be implemented in the user file
+ */
+}
+
+/**
+ * @brief LCD MSP Init.
+ * @param hlcd: LCD handle
+ * @retval None
+ */
+ __weak void HAL_LCD_MspInit(LCD_HandleTypeDef *hlcd)
+{
+ /* NOTE: This function Should not be modified, when the callback is needed,
+ the HAL_LCD_MspInit could be implemented in the user file
+ */
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup LCD_Exported_Functions_Group2 IO operation methods
+ * @brief LCD RAM functions
+ *
+@verbatim
+ ===============================================================================
+ ##### IO operation functions #####
+ ===============================================================================
+ [..] Using its double buffer memory the LCD controller ensures the coherency of the
+ displayed information without having to use interrupts to control LCD_RAM
+ modification.
+ The application software can access the first buffer level (LCD_RAM) through
+ the APB interface. Once it has modified the LCD_RAM using the HAL_LCD_Write() API,
+ it sets the UDR flag in the LCD_SR register using the HAL_LCD_UpdateDisplayRequest() API.
+ This UDR flag (update display request) requests the updated information to be
+ moved into the second buffer level (LCD_DISPLAY).
+ This operation is done synchronously with the frame (at the beginning of the
+ next frame), until the update is completed, the LCD_RAM is write protected and
+ the UDR flag stays high.
+ Once the update is completed another flag (UDD - Update Display Done) is set and
+ generates an interrupt if the UDDIE bit in the LCD_FCR register is set.
+ The time it takes to update LCD_DISPLAY is, in the worst case, one odd and one
+ even frame.
+ The update will not occur (UDR = 1 and UDD = 0) until the display is
+ enabled (LCDEN = 1).
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Writes a word in the specific LCD RAM.
+ * @param hlcd: LCD handle
+ * @param RAMRegisterIndex: specifies the LCD RAM Register.
+ * This parameter can be one of the following values:
+ * @arg LCD_RAM_REGISTER0: LCD RAM Register 0
+ * @arg LCD_RAM_REGISTER1: LCD RAM Register 1
+ * @arg LCD_RAM_REGISTER2: LCD RAM Register 2
+ * @arg LCD_RAM_REGISTER3: LCD RAM Register 3
+ * @arg LCD_RAM_REGISTER4: LCD RAM Register 4
+ * @arg LCD_RAM_REGISTER5: LCD RAM Register 5
+ * @arg LCD_RAM_REGISTER6: LCD RAM Register 6
+ * @arg LCD_RAM_REGISTER7: LCD RAM Register 7
+ * @arg LCD_RAM_REGISTER8: LCD RAM Register 8
+ * @arg LCD_RAM_REGISTER9: LCD RAM Register 9
+ * @arg LCD_RAM_REGISTER10: LCD RAM Register 10
+ * @arg LCD_RAM_REGISTER11: LCD RAM Register 11
+ * @arg LCD_RAM_REGISTER12: LCD RAM Register 12
+ * @arg LCD_RAM_REGISTER13: LCD RAM Register 13
+ * @arg LCD_RAM_REGISTER14: LCD RAM Register 14
+ * @arg LCD_RAM_REGISTER15: LCD RAM Register 15
+ * @param RAMRegisterMask: specifies the LCD RAM Register Data Mask.
+ * @param Data: specifies LCD Data Value to be written.
+ * @note For LCD glass COM*SEG as 8*40 for example, the LCD common terminals COM[0,7]
+ * are mapped on 32bits LCD_RAM_REGISTER[0,14] according to rules: COM(n) spread
+ * on LCD_RAM_REGISTER(2*n) and LCD_RAM_REGISTER(2*n+1).The segment terminals
+ * SEG[0,39] of COM(n) correspond to LSB bits of related LCD_RAM_REGISTER(2*n)[0,31]
+ * and LCD_RAM_REGISTER(2*n+1)[0,7]
+ * @retval None
+ */
+HAL_StatusTypeDef HAL_LCD_Write(LCD_HandleTypeDef *hlcd, uint32_t RAMRegisterIndex, uint32_t RAMRegisterMask, uint32_t Data)
+{
+ uint32_t tickstart = 0x00;
+
+ if((hlcd->State == HAL_LCD_STATE_READY) || (hlcd->State == HAL_LCD_STATE_BUSY))
+ {
+ /* Check the parameters */
+ assert_param(IS_LCD_RAM_REGISTER(RAMRegisterIndex));
+
+ if(hlcd->State == HAL_LCD_STATE_READY)
+ {
+ /* Process Locked */
+ __HAL_LOCK(hlcd);
+ hlcd->State = HAL_LCD_STATE_BUSY;
+
+ /* Get timeout */
+ tickstart = HAL_GetTick();
+
+ /*!< Wait Until the LCD is ready */
+ while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_UDR) != RESET)
+ {
+ if((HAL_GetTick() - tickstart) > LCD_TIMEOUT_VALUE)
+ {
+ hlcd->ErrorCode = HAL_LCD_ERROR_UDR;
+ /* Process Unlocked */
+ __HAL_UNLOCK(hlcd);
+ return HAL_TIMEOUT;
+ }
+ }
+ }
+/* Copy the new Data bytes to LCD RAM register */
+ MODIFY_REG(hlcd->Instance->RAM[RAMRegisterIndex], ~(RAMRegisterMask), Data);
+
+ return HAL_OK;
+ }
+ else
+ {
+ return HAL_ERROR;
+ }
+}
+
+/**
+ * @brief Clears the LCD RAM registers.
+ * @param hlcd: LCD handle
+ * @retval None
+ */
+HAL_StatusTypeDef HAL_LCD_Clear(LCD_HandleTypeDef *hlcd)
+{
+ uint32_t tickstart = 0x00;
+ uint32_t counter = 0;
+
+ if((hlcd->State == HAL_LCD_STATE_READY) || (hlcd->State == HAL_LCD_STATE_BUSY))
+ {
+ /* Process Locked */
+ __HAL_LOCK(hlcd);
+
+ hlcd->State = HAL_LCD_STATE_BUSY;
+
+ /* Get timeout */
+ tickstart = HAL_GetTick();
+
+ /*!< Wait Until the LCD is ready */
+ while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_UDR) != RESET)
+ {
+ if( (HAL_GetTick() - tickstart) > LCD_TIMEOUT_VALUE)
+ {
+ hlcd->ErrorCode = HAL_LCD_ERROR_UDR;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hlcd);
+
+ return HAL_TIMEOUT;
+ }
+ }
+ /* Clear the LCD_RAM registers */
+ for(counter = LCD_RAM_REGISTER0; counter <= LCD_RAM_REGISTER15; counter++)
+ {
+ hlcd->Instance->RAM[counter] = 0;
+ }
+
+ /* Update the LCD display */
+ HAL_LCD_UpdateDisplayRequest(hlcd);
+
+ return HAL_OK;
+ }
+ else
+ {
+ return HAL_ERROR;
+ }
+}
+
+/**
+ * @brief Enables the Update Display Request.
+ * @param hlcd: LCD handle
+ * @note Each time software modifies the LCD_RAM it must set the UDR bit to
+ * transfer the updated data to the second level buffer.
+ * The UDR bit stays set until the end of the update and during this
+ * time the LCD_RAM is write protected.
+ * @note When the display is disabled, the update is performed for all
+ * LCD_DISPLAY locations.
+ * When the display is enabled, the update is performed only for locations
+ * for which commons are active (depending on DUTY). For example if
+ * DUTY = 1/2, only the LCD_DISPLAY of COM0 and COM1 will be updated.
+ * @retval None
+ */
+HAL_StatusTypeDef HAL_LCD_UpdateDisplayRequest(LCD_HandleTypeDef *hlcd)
+{
+ uint32_t tickstart = 0x00;
+
+ /* Clear the Update Display Done flag before starting the update display request */
+ __HAL_LCD_CLEAR_FLAG(hlcd, LCD_FLAG_UDD);
+
+ /* Enable the display request */
+ hlcd->Instance->SR |= LCD_SR_UDR;
+
+ /* Get timeout */
+ tickstart = HAL_GetTick();
+
+ /*!< Wait Until the LCD display is done */
+ while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_UDD) == RESET)
+ {
+ if((HAL_GetTick() - tickstart ) > LCD_TIMEOUT_VALUE)
+ {
+ hlcd->ErrorCode = HAL_LCD_ERROR_UDD;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hlcd);
+
+ return HAL_TIMEOUT;
+ }
+ }
+
+ hlcd->State = HAL_LCD_STATE_READY;
+
+ /* Process Unlocked */
+ __HAL_UNLOCK(hlcd);
+
+ return HAL_OK;
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup LCD_Exported_Functions_Group3 Peripheral State methods
+ * @brief LCD State functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Peripheral State functions #####
+ ===============================================================================
+ [..]
+ This subsection provides a set of functions allowing to control the LCD:
+ (+) HAL_LCD_GetState() API can be helpful to check in run-time the state of the LCD peripheral State.
+ (+) HAL_LCD_GetError() API to return the LCD error code.
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Returns the LCD state.
+ * @param hlcd: LCD handle
+ * @retval HAL state
+ */
+HAL_LCD_StateTypeDef HAL_LCD_GetState(LCD_HandleTypeDef *hlcd)
+{
+ return hlcd->State;
+}
+
+/**
+ * @brief Return the LCD error code
+ * @param hlcd: LCD handle
+ * @retval LCD Error Code
+ */
+uint32_t HAL_LCD_GetError(LCD_HandleTypeDef *hlcd)
+{
+ return hlcd->ErrorCode;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup LCD_Private_Functions LCD Private Functions
+ * @{
+ */
+
+/**
+ * @brief Waits until the LCD FCR register is synchronized in the LCDCLK domain.
+ * This function must be called after any write operation to LCD_FCR register.
+ * @param hlcd: LCD handle
+ * @retval None
+ */
+HAL_StatusTypeDef LCD_WaitForSynchro(LCD_HandleTypeDef *hlcd)
+{
+ uint32_t tickstart = 0x00;
+
+ /* Get timeout */
+ tickstart = HAL_GetTick();
+
+ /* Loop until FCRSF flag is set */
+ while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_FCRSF) == RESET)
+ {
+ if((HAL_GetTick() - tickstart) > LCD_TIMEOUT_VALUE)
+ {
+ hlcd->ErrorCode = HAL_LCD_ERROR_FCRSF;
+ return HAL_TIMEOUT;
+ }
+ }
+
+ return HAL_OK;
+}
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+#endif /* HAL_LCD_MODULE_ENABLED */
+/**
+ * @}
+ */
+#endif /* #if defined (STM32L053xx) || defined (STM32L063xx) || defined (STM32L073xx) || defined (STM32L083xx) */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
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