/** ****************************************************************************** * @file stm32l4xx_hal_lcd.h * @author MCD Application Team * @brief Header file of LCD Controller HAL module. ****************************************************************************** * @attention * * Copyright (c) 2017 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file in * the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. ****************************************************************************** */ /* 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) || defined(STM32L496xx) || defined(STM32L4A6xx) /* 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 (0x00000000U) /*!< No error */ #define HAL_LCD_ERROR_FCRSF (0x00000001U) /*!< Synchro flag timeout error */ #define HAL_LCD_ERROR_UDR (0x00000002U) /*!< Update display request flag timeout error */ #define HAL_LCD_ERROR_UDD (0x00000004U) /*!< Update display done flag timeout error */ #define HAL_LCD_ERROR_ENS (0x00000008U) /*!< LCD enabled status flag timeout error */ #define HAL_LCD_ERROR_RDY (0x00000010U) /*!< LCD Booster ready timeout error */ /** * @} */ /** @defgroup LCD_Prescaler LCD Prescaler * @{ */ #define LCD_PRESCALER_1 (0x00000000U) /*!< CLKPS = LCDCLK */ #define LCD_PRESCALER_2 (0x00400000U) /*!< CLKPS = LCDCLK/2 */ #define LCD_PRESCALER_4 (0x00800000U) /*!< CLKPS = LCDCLK/4 */ #define LCD_PRESCALER_8 (0x00C00000U) /*!< CLKPS = LCDCLK/8 */ #define LCD_PRESCALER_16 (0x01000000U) /*!< CLKPS = LCDCLK/16 */ #define LCD_PRESCALER_32 (0x01400000U) /*!< CLKPS = LCDCLK/32 */ #define LCD_PRESCALER_64 (0x01800000U) /*!< CLKPS = LCDCLK/64 */ #define LCD_PRESCALER_128 (0x01C00000U) /*!< CLKPS = LCDCLK/128 */ #define LCD_PRESCALER_256 (0x02000000U) /*!< CLKPS = LCDCLK/256 */ #define LCD_PRESCALER_512 (0x02400000U) /*!< CLKPS = LCDCLK/512 */ #define LCD_PRESCALER_1024 (0x02800000U) /*!< CLKPS = LCDCLK/1024 */ #define LCD_PRESCALER_2048 (0x02C00000U) /*!< CLKPS = LCDCLK/2048 */ #define LCD_PRESCALER_4096 (0x03000000U) /*!< CLKPS = LCDCLK/4096 */ #define LCD_PRESCALER_8192 (0x03400000U) /*!< CLKPS = LCDCLK/8192 */ #define LCD_PRESCALER_16384 (0x03800000U) /*!< CLKPS = LCDCLK/16384 */ #define LCD_PRESCALER_32768 (0x03C00000U) /*!< CLKPS = LCDCLK/32768 */ /** * @} */ /** @defgroup LCD_Divider LCD Divider * @{ */ #define LCD_DIVIDER_16 (0x00000000U) /*!< LCD frequency = CLKPS/16 */ #define LCD_DIVIDER_17 (0x00040000U) /*!< LCD frequency = CLKPS/17 */ #define LCD_DIVIDER_18 (0x00080000U) /*!< LCD frequency = CLKPS/18 */ #define LCD_DIVIDER_19 (0x000C0000U) /*!< LCD frequency = CLKPS/19 */ #define LCD_DIVIDER_20 (0x00100000U) /*!< LCD frequency = CLKPS/20 */ #define LCD_DIVIDER_21 (0x00140000U) /*!< LCD frequency = CLKPS/21 */ #define LCD_DIVIDER_22 (0x00180000U) /*!< LCD frequency = CLKPS/22 */ #define LCD_DIVIDER_23 (0x001C0000U) /*!< LCD frequency = CLKPS/23 */ #define LCD_DIVIDER_24 (0x00200000U) /*!< LCD frequency = CLKPS/24 */ #define LCD_DIVIDER_25 (0x00240000U) /*!< LCD frequency = CLKPS/25 */ #define LCD_DIVIDER_26 (0x00280000U) /*!< LCD frequency = CLKPS/26 */ #define LCD_DIVIDER_27 (0x002C0000U) /*!< LCD frequency = CLKPS/27 */ #define LCD_DIVIDER_28 (0x00300000U) /*!< LCD frequency = CLKPS/28 */ #define LCD_DIVIDER_29 (0x00340000U) /*!< LCD frequency = CLKPS/29 */ #define LCD_DIVIDER_30 (0x00380000U) /*!< LCD frequency = CLKPS/30 */ #define LCD_DIVIDER_31 (0x003C0000U) /*!< LCD frequency = CLKPS/31 */ /** * @} */ /** @defgroup LCD_Duty LCD Duty * @{ */ #define LCD_DUTY_STATIC (0x00000000U) /*!< 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 (0x00000000U) /*!< 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 (0x00000000U) /*!< 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 (0x00000000U) /*!< 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 (0x00000000U) /*!< 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 (0x00000000U) /*!< 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 (0x00000000U) /*!< 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 (0x00000000U) /*!< 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 (0x00000000U) /*!< LCD RAM Register 0 */ #define LCD_RAM_REGISTER1 (0x00000001U) /*!< LCD RAM Register 1 */ #define LCD_RAM_REGISTER2 (0x00000002U) /*!< LCD RAM Register 2 */ #define LCD_RAM_REGISTER3 (0x00000003U) /*!< LCD RAM Register 3 */ #define LCD_RAM_REGISTER4 (0x00000004U) /*!< LCD RAM Register 4 */ #define LCD_RAM_REGISTER5 (0x00000005U) /*!< LCD RAM Register 5 */ #define LCD_RAM_REGISTER6 (0x00000006U) /*!< LCD RAM Register 6 */ #define LCD_RAM_REGISTER7 (0x00000007U) /*!< LCD RAM Register 7 */ #define LCD_RAM_REGISTER8 (0x00000008U) /*!< LCD RAM Register 8 */ #define LCD_RAM_REGISTER9 (0x00000009U) /*!< LCD RAM Register 9 */ #define LCD_RAM_REGISTER10 (0x0000000AU) /*!< LCD RAM Register 10 */ #define LCD_RAM_REGISTER11 (0x0000000BU) /*!< LCD RAM Register 11 */ #define LCD_RAM_REGISTER12 (0x0000000CU) /*!< LCD RAM Register 12 */ #define LCD_RAM_REGISTER13 (0x0000000DU) /*!< LCD RAM Register 13 */ #define LCD_RAM_REGISTER14 (0x0000000EU) /*!< LCD RAM Register 14 */ #define LCD_RAM_REGISTER15 (0x0000000FU) /*!< 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 (0x00000000U) /*!< 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 || STM32L496xx || STM32L4A6xx */ #ifdef __cplusplus } #endif #endif /* STM32L4xx_HAL_LCD_H */