mbed library sources
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targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_lcd.c@394:83f921546702, 2014-11-07 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Nov 07 15:45:07 2014 +0000
- Revision:
- 394:83f921546702
- Parent:
- targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/stm32l1xx_hal_lcd.c@354:e67efb2aab0e
Synchronized with git revision aab52cb7ec5a665869e507dd988bbfd55b7e087e
Full URL: https://github.com/mbedmicro/mbed/commit/aab52cb7ec5a665869e507dd988bbfd55b7e087e/
Tests: Fix cpputest testrunner
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 354:e67efb2aab0e | 1 | /** |
mbed_official | 354:e67efb2aab0e | 2 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 3 | * @file stm32l1xx_hal_lcd.c |
mbed_official | 354:e67efb2aab0e | 4 | * @author MCD Application Team |
mbed_official | 354:e67efb2aab0e | 5 | * @version V1.0.0 |
mbed_official | 354:e67efb2aab0e | 6 | * @date 5-September-2014 |
mbed_official | 354:e67efb2aab0e | 7 | * @brief LCD Controller HAL module driver. |
mbed_official | 354:e67efb2aab0e | 8 | * This file provides firmware functions to manage the following |
mbed_official | 354:e67efb2aab0e | 9 | * functionalities of the LCD Controller (LCD) peripheral: |
mbed_official | 354:e67efb2aab0e | 10 | * + Initialization/de-initialization methods |
mbed_official | 354:e67efb2aab0e | 11 | * + I/O operation methods |
mbed_official | 354:e67efb2aab0e | 12 | * + Peripheral State methods |
mbed_official | 354:e67efb2aab0e | 13 | * |
mbed_official | 354:e67efb2aab0e | 14 | @verbatim |
mbed_official | 354:e67efb2aab0e | 15 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 16 | ##### How to use this driver ##### |
mbed_official | 354:e67efb2aab0e | 17 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 18 | [..] The LCD HAL driver can be used as follows: |
mbed_official | 354:e67efb2aab0e | 19 | |
mbed_official | 354:e67efb2aab0e | 20 | (#) Declare a LCD_HandleTypeDef handle structure. |
mbed_official | 354:e67efb2aab0e | 21 | |
mbed_official | 354:e67efb2aab0e | 22 | (#) Initialize the LCD low level resources by implement the HAL_LCD_MspInit() API: |
mbed_official | 354:e67efb2aab0e | 23 | (##) Enable the LCDCLK (same as RTCCLK): to configure the RTCCLK/LCDCLK, proceed as follows: |
mbed_official | 354:e67efb2aab0e | 24 | (+) Use RCC function HAL_RCCEx_PeriphCLKConfig in indicating RCC_PERIPHCLK_LCD and |
mbed_official | 354:e67efb2aab0e | 25 | selected clock source (HSE, LSI or LSE) |
mbed_official | 354:e67efb2aab0e | 26 | |
mbed_official | 354:e67efb2aab0e | 27 | -@- The frequency generator allows you to achieve various LCD frame rates |
mbed_official | 354:e67efb2aab0e | 28 | starting from an LCD input clock frequency (LCDCLK) which can vary |
mbed_official | 354:e67efb2aab0e | 29 | from 32 kHz up to 1 MHz. |
mbed_official | 354:e67efb2aab0e | 30 | (##) LCD pins configuration: |
mbed_official | 354:e67efb2aab0e | 31 | (+) Enable the clock for the LCD GPIOs. |
mbed_official | 354:e67efb2aab0e | 32 | (+) Configure these LCD pins as alternate function no-pull. |
mbed_official | 354:e67efb2aab0e | 33 | (##) Enable the LCD interface clock. |
mbed_official | 354:e67efb2aab0e | 34 | |
mbed_official | 354:e67efb2aab0e | 35 | (#) Program the Prescaler, Divider, Blink mode, Blink Frequency Duty, Bias, |
mbed_official | 354:e67efb2aab0e | 36 | Voltage Source, Dead Time, Pulse On Duration and Contrast in the hlcd Init structure. |
mbed_official | 354:e67efb2aab0e | 37 | |
mbed_official | 354:e67efb2aab0e | 38 | (#) Initialize the LCD registers by calling the HAL_LCD_Init() API. |
mbed_official | 354:e67efb2aab0e | 39 | |
mbed_official | 354:e67efb2aab0e | 40 | -@- The HAL_LCD_Init() API configures also the low level Hardware GPIO, CLOCK, ...etc) |
mbed_official | 354:e67efb2aab0e | 41 | by calling the custumed HAL_LCD_MspInit() API. |
mbed_official | 354:e67efb2aab0e | 42 | -@- After calling the HAL_LCD_Init() the LCD RAM memory is cleared |
mbed_official | 354:e67efb2aab0e | 43 | |
mbed_official | 354:e67efb2aab0e | 44 | (#) Optionally you can update the LCD configuration using these macros: |
mbed_official | 354:e67efb2aab0e | 45 | (+) LCD High Drive using the __HAL_LCD_HIGHDRIVER_ENABLE() and __HAL_LCD_HIGHDRIVER_DISABLE() macros |
mbed_official | 354:e67efb2aab0e | 46 | (+) LCD Pulse ON Duration using the __HAL_LCD_PULSEONDURATION_CONFIG() macro |
mbed_official | 354:e67efb2aab0e | 47 | (+) LCD Dead Time using the __HAL_LCD_DEADTIME_CONFIG() macro |
mbed_official | 354:e67efb2aab0e | 48 | (+) The LCD Blink mode and frequency using the __HAL_LCD_BLINK_CONFIG() macro |
mbed_official | 354:e67efb2aab0e | 49 | (+) The LCD Contrast using the __HAL_LCD_CONTRAST_CONFIG() macro |
mbed_official | 354:e67efb2aab0e | 50 | |
mbed_official | 354:e67efb2aab0e | 51 | (#) Write to the LCD RAM memory using the HAL_LCD_Write() API, this API can be called |
mbed_official | 354:e67efb2aab0e | 52 | more time to update the different LCD RAM registers before calling |
mbed_official | 354:e67efb2aab0e | 53 | HAL_LCD_UpdateDisplayRequest() API. |
mbed_official | 354:e67efb2aab0e | 54 | |
mbed_official | 354:e67efb2aab0e | 55 | (#) The HAL_LCD_Clear() API can be used to clear the LCD RAM memory. |
mbed_official | 354:e67efb2aab0e | 56 | |
mbed_official | 354:e67efb2aab0e | 57 | (#) When LCD RAM memory is updated enable the update display request using |
mbed_official | 354:e67efb2aab0e | 58 | the HAL_LCD_UpdateDisplayRequest() API. |
mbed_official | 354:e67efb2aab0e | 59 | |
mbed_official | 354:e67efb2aab0e | 60 | [..] LCD and low power modes: |
mbed_official | 354:e67efb2aab0e | 61 | (#) The LCD remain active during STOP mode. |
mbed_official | 354:e67efb2aab0e | 62 | |
mbed_official | 354:e67efb2aab0e | 63 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 64 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 65 | * @attention |
mbed_official | 354:e67efb2aab0e | 66 | * |
mbed_official | 354:e67efb2aab0e | 67 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 354:e67efb2aab0e | 68 | * |
mbed_official | 354:e67efb2aab0e | 69 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 354:e67efb2aab0e | 70 | * are permitted provided that the following conditions are met: |
mbed_official | 354:e67efb2aab0e | 71 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 72 | * this list of conditions and the following disclaimer. |
mbed_official | 354:e67efb2aab0e | 73 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 74 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 354:e67efb2aab0e | 75 | * and/or other materials provided with the distribution. |
mbed_official | 354:e67efb2aab0e | 76 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 354:e67efb2aab0e | 77 | * may be used to endorse or promote products derived from this software |
mbed_official | 354:e67efb2aab0e | 78 | * without specific prior written permission. |
mbed_official | 354:e67efb2aab0e | 79 | * |
mbed_official | 354:e67efb2aab0e | 80 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 354:e67efb2aab0e | 81 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 354:e67efb2aab0e | 82 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 354:e67efb2aab0e | 83 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 354:e67efb2aab0e | 84 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 354:e67efb2aab0e | 85 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 354:e67efb2aab0e | 86 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 354:e67efb2aab0e | 87 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 354:e67efb2aab0e | 88 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 354:e67efb2aab0e | 89 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 354:e67efb2aab0e | 90 | * |
mbed_official | 354:e67efb2aab0e | 91 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 92 | */ |
mbed_official | 354:e67efb2aab0e | 93 | |
mbed_official | 354:e67efb2aab0e | 94 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 95 | #include "stm32l1xx_hal.h" |
mbed_official | 354:e67efb2aab0e | 96 | |
mbed_official | 354:e67efb2aab0e | 97 | /** @addtogroup STM32L1xx_HAL_Driver |
mbed_official | 354:e67efb2aab0e | 98 | * @{ |
mbed_official | 354:e67efb2aab0e | 99 | */ |
mbed_official | 354:e67efb2aab0e | 100 | |
mbed_official | 354:e67efb2aab0e | 101 | #ifdef HAL_LCD_MODULE_ENABLED |
mbed_official | 354:e67efb2aab0e | 102 | |
mbed_official | 354:e67efb2aab0e | 103 | #if defined (STM32L100xB) || defined (STM32L100xBA) || defined (STM32L100xC) ||\ |
mbed_official | 354:e67efb2aab0e | 104 | defined (STM32L152xB) || defined (STM32L152xBA) || defined (STM32L152xC) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L152xE) ||\ |
mbed_official | 354:e67efb2aab0e | 105 | defined (STM32L162xC) || defined (STM32L162xCA) || defined (STM32L162xD) || defined (STM32L162xE) |
mbed_official | 354:e67efb2aab0e | 106 | |
mbed_official | 354:e67efb2aab0e | 107 | /** @defgroup LCD LCD |
mbed_official | 354:e67efb2aab0e | 108 | * @brief LCD HAL module driver |
mbed_official | 354:e67efb2aab0e | 109 | * @{ |
mbed_official | 354:e67efb2aab0e | 110 | */ |
mbed_official | 354:e67efb2aab0e | 111 | |
mbed_official | 354:e67efb2aab0e | 112 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 113 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 114 | /** @defgroup LCD_Private_Defines LCD Private Defines |
mbed_official | 354:e67efb2aab0e | 115 | * @{ |
mbed_official | 354:e67efb2aab0e | 116 | */ |
mbed_official | 354:e67efb2aab0e | 117 | |
mbed_official | 354:e67efb2aab0e | 118 | #define LCD_TIMEOUT_VALUE 1000 |
mbed_official | 354:e67efb2aab0e | 119 | |
mbed_official | 354:e67efb2aab0e | 120 | /** |
mbed_official | 354:e67efb2aab0e | 121 | * @} |
mbed_official | 354:e67efb2aab0e | 122 | */ |
mbed_official | 354:e67efb2aab0e | 123 | |
mbed_official | 354:e67efb2aab0e | 124 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 125 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 126 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 127 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 128 | |
mbed_official | 354:e67efb2aab0e | 129 | /** @defgroup LCD_Exported_Functions LCD Exported Functions |
mbed_official | 354:e67efb2aab0e | 130 | * @{ |
mbed_official | 354:e67efb2aab0e | 131 | */ |
mbed_official | 354:e67efb2aab0e | 132 | |
mbed_official | 354:e67efb2aab0e | 133 | /** @defgroup LCD_Exported_Functions_Group1 Initialization/de-initialization methods |
mbed_official | 354:e67efb2aab0e | 134 | * @brief Initialization and Configuration functions |
mbed_official | 354:e67efb2aab0e | 135 | * |
mbed_official | 354:e67efb2aab0e | 136 | @verbatim |
mbed_official | 354:e67efb2aab0e | 137 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 138 | ##### Initialization and Configuration functions ##### |
mbed_official | 354:e67efb2aab0e | 139 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 140 | [..] |
mbed_official | 354:e67efb2aab0e | 141 | |
mbed_official | 354:e67efb2aab0e | 142 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 143 | * @{ |
mbed_official | 354:e67efb2aab0e | 144 | */ |
mbed_official | 354:e67efb2aab0e | 145 | |
mbed_official | 354:e67efb2aab0e | 146 | /** |
mbed_official | 354:e67efb2aab0e | 147 | * @brief DeInitializes the LCD peripheral. |
mbed_official | 354:e67efb2aab0e | 148 | * @param hlcd: LCD handle |
mbed_official | 354:e67efb2aab0e | 149 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 150 | */ |
mbed_official | 354:e67efb2aab0e | 151 | HAL_StatusTypeDef HAL_LCD_DeInit(LCD_HandleTypeDef *hlcd) |
mbed_official | 354:e67efb2aab0e | 152 | { |
mbed_official | 354:e67efb2aab0e | 153 | /* Check the LCD handle allocation */ |
mbed_official | 354:e67efb2aab0e | 154 | if(hlcd == HAL_NULL) |
mbed_official | 354:e67efb2aab0e | 155 | { |
mbed_official | 354:e67efb2aab0e | 156 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 157 | } |
mbed_official | 354:e67efb2aab0e | 158 | |
mbed_official | 354:e67efb2aab0e | 159 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 160 | assert_param(IS_LCD_ALL_INSTANCE(hlcd->Instance)); |
mbed_official | 354:e67efb2aab0e | 161 | |
mbed_official | 354:e67efb2aab0e | 162 | hlcd->State = HAL_LCD_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 163 | |
mbed_official | 354:e67efb2aab0e | 164 | /* DeInit the low level hardware */ |
mbed_official | 354:e67efb2aab0e | 165 | HAL_LCD_MspDeInit(hlcd); |
mbed_official | 354:e67efb2aab0e | 166 | |
mbed_official | 354:e67efb2aab0e | 167 | hlcd->ErrorCode = HAL_LCD_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 168 | hlcd->State = HAL_LCD_STATE_RESET; |
mbed_official | 354:e67efb2aab0e | 169 | |
mbed_official | 354:e67efb2aab0e | 170 | /* Release Lock */ |
mbed_official | 354:e67efb2aab0e | 171 | __HAL_UNLOCK(hlcd); |
mbed_official | 354:e67efb2aab0e | 172 | |
mbed_official | 354:e67efb2aab0e | 173 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 174 | } |
mbed_official | 354:e67efb2aab0e | 175 | |
mbed_official | 354:e67efb2aab0e | 176 | /** |
mbed_official | 354:e67efb2aab0e | 177 | * @brief Initializes the LCD peripheral according to the specified parameters |
mbed_official | 354:e67efb2aab0e | 178 | * in the LCD_InitStruct. |
mbed_official | 354:e67efb2aab0e | 179 | * @note This function can be used only when the LCD is disabled. |
mbed_official | 354:e67efb2aab0e | 180 | * @param hlcd: LCD handle |
mbed_official | 354:e67efb2aab0e | 181 | * @retval None |
mbed_official | 354:e67efb2aab0e | 182 | */ |
mbed_official | 354:e67efb2aab0e | 183 | HAL_StatusTypeDef HAL_LCD_Init(LCD_HandleTypeDef *hlcd) |
mbed_official | 354:e67efb2aab0e | 184 | { |
mbed_official | 354:e67efb2aab0e | 185 | uint32_t tickstart = 0x00; |
mbed_official | 354:e67efb2aab0e | 186 | uint8_t counter = 0; |
mbed_official | 354:e67efb2aab0e | 187 | |
mbed_official | 354:e67efb2aab0e | 188 | /* Check the LCD handle allocation */ |
mbed_official | 354:e67efb2aab0e | 189 | if(hlcd == HAL_NULL) |
mbed_official | 354:e67efb2aab0e | 190 | { |
mbed_official | 354:e67efb2aab0e | 191 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 192 | } |
mbed_official | 354:e67efb2aab0e | 193 | |
mbed_official | 354:e67efb2aab0e | 194 | /* Check function parameters */ |
mbed_official | 354:e67efb2aab0e | 195 | assert_param(IS_LCD_ALL_INSTANCE(hlcd->Instance)); |
mbed_official | 354:e67efb2aab0e | 196 | assert_param(IS_LCD_PRESCALER(hlcd->Init.Prescaler)); |
mbed_official | 354:e67efb2aab0e | 197 | assert_param(IS_LCD_DIVIDER(hlcd->Init.Divider)); |
mbed_official | 354:e67efb2aab0e | 198 | assert_param(IS_LCD_DUTY(hlcd->Init.Duty)); |
mbed_official | 354:e67efb2aab0e | 199 | assert_param(IS_LCD_BIAS(hlcd->Init.Bias)); |
mbed_official | 354:e67efb2aab0e | 200 | assert_param(IS_LCD_VOLTAGE_SOURCE(hlcd->Init.VoltageSource)); |
mbed_official | 354:e67efb2aab0e | 201 | assert_param(IS_LCD_PULSE_ON_DURATION(hlcd->Init.PulseOnDuration)); |
mbed_official | 354:e67efb2aab0e | 202 | assert_param(IS_LCD_DEAD_TIME(hlcd->Init.DeadTime)); |
mbed_official | 354:e67efb2aab0e | 203 | assert_param(IS_LCD_CONTRAST(hlcd->Init.Contrast)); |
mbed_official | 354:e67efb2aab0e | 204 | assert_param(IS_LCD_BLINK_FREQUENCY(hlcd->Init.BlinkFrequency)); |
mbed_official | 354:e67efb2aab0e | 205 | assert_param(IS_LCD_BLINK_MODE(hlcd->Init.BlinkMode)); |
mbed_official | 354:e67efb2aab0e | 206 | assert_param(IS_LCD_MUXSEGMENT(hlcd->Init.MuxSegment)); |
mbed_official | 354:e67efb2aab0e | 207 | |
mbed_official | 354:e67efb2aab0e | 208 | if(hlcd->State == HAL_LCD_STATE_RESET) |
mbed_official | 354:e67efb2aab0e | 209 | { |
mbed_official | 354:e67efb2aab0e | 210 | /* Initialize the low level hardware (MSP) */ |
mbed_official | 354:e67efb2aab0e | 211 | HAL_LCD_MspInit(hlcd); |
mbed_official | 354:e67efb2aab0e | 212 | } |
mbed_official | 354:e67efb2aab0e | 213 | |
mbed_official | 354:e67efb2aab0e | 214 | hlcd->State = HAL_LCD_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 215 | |
mbed_official | 354:e67efb2aab0e | 216 | /* Disable the peripheral */ |
mbed_official | 354:e67efb2aab0e | 217 | __HAL_LCD_DISABLE(hlcd); |
mbed_official | 354:e67efb2aab0e | 218 | |
mbed_official | 354:e67efb2aab0e | 219 | /* Clear the LCD_RAM registers and enable the display request by setting the UDR bit |
mbed_official | 354:e67efb2aab0e | 220 | in the LCD_SR register */ |
mbed_official | 354:e67efb2aab0e | 221 | for(counter = LCD_RAM_REGISTER0; counter <= LCD_RAM_REGISTER15; counter++) |
mbed_official | 354:e67efb2aab0e | 222 | { |
mbed_official | 354:e67efb2aab0e | 223 | hlcd->Instance->RAM[counter] = 0; |
mbed_official | 354:e67efb2aab0e | 224 | } |
mbed_official | 354:e67efb2aab0e | 225 | /* Enable the display request */ |
mbed_official | 354:e67efb2aab0e | 226 | hlcd->Instance->SR |= LCD_SR_UDR; |
mbed_official | 354:e67efb2aab0e | 227 | |
mbed_official | 354:e67efb2aab0e | 228 | /* Configure the LCD Prescaler, Divider, Blink mode and Blink Frequency: |
mbed_official | 354:e67efb2aab0e | 229 | Set PS[3:0] bits according to hlcd->Init.Prescaler value |
mbed_official | 354:e67efb2aab0e | 230 | Set DIV[3:0] bits according to hlcd->Init.Divider value |
mbed_official | 354:e67efb2aab0e | 231 | Set BLINK[1:0] bits according to hlcd->Init.BlinkMode value |
mbed_official | 354:e67efb2aab0e | 232 | Set BLINKF[2:0] bits according to hlcd->Init.BlinkFrequency value |
mbed_official | 354:e67efb2aab0e | 233 | Set DEAD[2:0] bits according to hlcd->Init.DeadTime value |
mbed_official | 354:e67efb2aab0e | 234 | Set PON[2:0] bits according to hlcd->Init.PulseOnDuration value |
mbed_official | 354:e67efb2aab0e | 235 | Set CC[2:0] bits according to hlcd->Init.Contrast value */ |
mbed_official | 354:e67efb2aab0e | 236 | MODIFY_REG(hlcd->Instance->FCR, \ |
mbed_official | 354:e67efb2aab0e | 237 | (LCD_FCR_PS | LCD_FCR_DIV | LCD_FCR_BLINK| LCD_FCR_BLINKF | \ |
mbed_official | 354:e67efb2aab0e | 238 | LCD_FCR_DEAD | LCD_FCR_PON | LCD_FCR_CC), \ |
mbed_official | 354:e67efb2aab0e | 239 | (hlcd->Init.Prescaler | hlcd->Init.Divider | hlcd->Init.BlinkMode | hlcd->Init.BlinkFrequency | \ |
mbed_official | 354:e67efb2aab0e | 240 | hlcd->Init.DeadTime | hlcd->Init.PulseOnDuration | hlcd->Init.Contrast)); |
mbed_official | 354:e67efb2aab0e | 241 | |
mbed_official | 354:e67efb2aab0e | 242 | /* Wait until LCD Frame Control Register Synchronization flag (FCRSF) is set in the LCD_SR register |
mbed_official | 354:e67efb2aab0e | 243 | This bit is set by hardware each time the LCD_FCR register is updated in the LCDCLK |
mbed_official | 354:e67efb2aab0e | 244 | domain. It is cleared by hardware when writing to the LCD_FCR register.*/ |
mbed_official | 354:e67efb2aab0e | 245 | LCD_WaitForSynchro(hlcd); |
mbed_official | 354:e67efb2aab0e | 246 | |
mbed_official | 354:e67efb2aab0e | 247 | /* Configure the LCD Duty, Bias, Voltage Source, Dead Time, Pulse On Duration and Contrast: |
mbed_official | 354:e67efb2aab0e | 248 | Set DUTY[2:0] bits according to hlcd->Init.Duty value |
mbed_official | 354:e67efb2aab0e | 249 | Set BIAS[1:0] bits according to hlcd->Init.Bias value |
mbed_official | 354:e67efb2aab0e | 250 | Set VSEL bit according to hlcd->Init.VoltageSource value |
mbed_official | 354:e67efb2aab0e | 251 | Set MUX_SEG bit according to hlcd->Init.MuxSegment value */ |
mbed_official | 354:e67efb2aab0e | 252 | MODIFY_REG(hlcd->Instance->CR, \ |
mbed_official | 354:e67efb2aab0e | 253 | (LCD_CR_DUTY | LCD_CR_BIAS | LCD_CR_VSEL | LCD_CR_MUX_SEG), \ |
mbed_official | 354:e67efb2aab0e | 254 | (hlcd->Init.Duty | hlcd->Init.Bias | hlcd->Init.VoltageSource | hlcd->Init.MuxSegment)); |
mbed_official | 354:e67efb2aab0e | 255 | |
mbed_official | 354:e67efb2aab0e | 256 | /* Enable the peripheral */ |
mbed_official | 354:e67efb2aab0e | 257 | __HAL_LCD_ENABLE(hlcd); |
mbed_official | 354:e67efb2aab0e | 258 | |
mbed_official | 354:e67efb2aab0e | 259 | /* Get timeout */ |
mbed_official | 354:e67efb2aab0e | 260 | tickstart = HAL_GetTick(); |
mbed_official | 354:e67efb2aab0e | 261 | |
mbed_official | 354:e67efb2aab0e | 262 | /* Wait Until the LCD is enabled */ |
mbed_official | 354:e67efb2aab0e | 263 | while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_ENS) == RESET) |
mbed_official | 354:e67efb2aab0e | 264 | { |
mbed_official | 354:e67efb2aab0e | 265 | if((HAL_GetTick() - tickstart ) > LCD_TIMEOUT_VALUE) |
mbed_official | 354:e67efb2aab0e | 266 | { |
mbed_official | 354:e67efb2aab0e | 267 | hlcd->ErrorCode = HAL_LCD_ERROR_ENS; |
mbed_official | 354:e67efb2aab0e | 268 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 269 | } |
mbed_official | 354:e67efb2aab0e | 270 | } |
mbed_official | 354:e67efb2aab0e | 271 | |
mbed_official | 354:e67efb2aab0e | 272 | /* Get timeout */ |
mbed_official | 354:e67efb2aab0e | 273 | tickstart = HAL_GetTick(); |
mbed_official | 354:e67efb2aab0e | 274 | |
mbed_official | 354:e67efb2aab0e | 275 | /*!< Wait Until the LCD Booster is ready */ |
mbed_official | 354:e67efb2aab0e | 276 | while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_RDY) == RESET) |
mbed_official | 354:e67efb2aab0e | 277 | { |
mbed_official | 354:e67efb2aab0e | 278 | if((HAL_GetTick() - tickstart ) > LCD_TIMEOUT_VALUE) |
mbed_official | 354:e67efb2aab0e | 279 | { |
mbed_official | 354:e67efb2aab0e | 280 | hlcd->ErrorCode = HAL_LCD_ERROR_RDY; |
mbed_official | 354:e67efb2aab0e | 281 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 282 | } |
mbed_official | 354:e67efb2aab0e | 283 | } |
mbed_official | 354:e67efb2aab0e | 284 | |
mbed_official | 354:e67efb2aab0e | 285 | /* Initialize the LCD state */ |
mbed_official | 354:e67efb2aab0e | 286 | hlcd->ErrorCode = HAL_LCD_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 287 | hlcd->State= HAL_LCD_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 288 | |
mbed_official | 354:e67efb2aab0e | 289 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 290 | } |
mbed_official | 354:e67efb2aab0e | 291 | |
mbed_official | 354:e67efb2aab0e | 292 | /** |
mbed_official | 354:e67efb2aab0e | 293 | * @brief LCD MSP DeInit. |
mbed_official | 354:e67efb2aab0e | 294 | * @param hlcd: LCD handle |
mbed_official | 354:e67efb2aab0e | 295 | * @retval None |
mbed_official | 354:e67efb2aab0e | 296 | */ |
mbed_official | 354:e67efb2aab0e | 297 | __weak void HAL_LCD_MspDeInit(LCD_HandleTypeDef *hlcd) |
mbed_official | 354:e67efb2aab0e | 298 | { |
mbed_official | 354:e67efb2aab0e | 299 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 300 | the HAL_LCD_MspDeInit could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 301 | */ |
mbed_official | 354:e67efb2aab0e | 302 | } |
mbed_official | 354:e67efb2aab0e | 303 | |
mbed_official | 354:e67efb2aab0e | 304 | /** |
mbed_official | 354:e67efb2aab0e | 305 | * @brief LCD MSP Init. |
mbed_official | 354:e67efb2aab0e | 306 | * @param hlcd: LCD handle |
mbed_official | 354:e67efb2aab0e | 307 | * @retval None |
mbed_official | 354:e67efb2aab0e | 308 | */ |
mbed_official | 354:e67efb2aab0e | 309 | __weak void HAL_LCD_MspInit(LCD_HandleTypeDef *hlcd) |
mbed_official | 354:e67efb2aab0e | 310 | { |
mbed_official | 354:e67efb2aab0e | 311 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 312 | the HAL_LCD_MspInit could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 313 | */ |
mbed_official | 354:e67efb2aab0e | 314 | } |
mbed_official | 354:e67efb2aab0e | 315 | |
mbed_official | 354:e67efb2aab0e | 316 | /** |
mbed_official | 354:e67efb2aab0e | 317 | * @} |
mbed_official | 354:e67efb2aab0e | 318 | */ |
mbed_official | 354:e67efb2aab0e | 319 | |
mbed_official | 354:e67efb2aab0e | 320 | /** @defgroup LCD_Exported_Functions_Group2 IO operation methods |
mbed_official | 354:e67efb2aab0e | 321 | * @brief LCD RAM functions |
mbed_official | 354:e67efb2aab0e | 322 | * |
mbed_official | 354:e67efb2aab0e | 323 | @verbatim |
mbed_official | 354:e67efb2aab0e | 324 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 325 | ##### IO operation functions ##### |
mbed_official | 354:e67efb2aab0e | 326 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 327 | [..] Using its double buffer memory the LCD controller ensures the coherency of the |
mbed_official | 354:e67efb2aab0e | 328 | displayed information without having to use interrupts to control LCD_RAM |
mbed_official | 354:e67efb2aab0e | 329 | modification. |
mbed_official | 354:e67efb2aab0e | 330 | The application software can access the first buffer level (LCD_RAM) through |
mbed_official | 354:e67efb2aab0e | 331 | the APB interface. Once it has modified the LCD_RAM using the HAL_LCD_Write() API, |
mbed_official | 354:e67efb2aab0e | 332 | it sets the UDR flag in the LCD_SR register using the HAL_LCD_UpdateDisplayRequest() API. |
mbed_official | 354:e67efb2aab0e | 333 | This UDR flag (update display request) requests the updated information to be |
mbed_official | 354:e67efb2aab0e | 334 | moved into the second buffer level (LCD_DISPLAY). |
mbed_official | 354:e67efb2aab0e | 335 | This operation is done synchronously with the frame (at the beginning of the |
mbed_official | 354:e67efb2aab0e | 336 | next frame), until the update is completed, the LCD_RAM is write protected and |
mbed_official | 354:e67efb2aab0e | 337 | the UDR flag stays high. |
mbed_official | 354:e67efb2aab0e | 338 | Once the update is completed another flag (UDD - Update Display Done) is set and |
mbed_official | 354:e67efb2aab0e | 339 | generates an interrupt if the UDDIE bit in the LCD_FCR register is set. |
mbed_official | 354:e67efb2aab0e | 340 | The time it takes to update LCD_DISPLAY is, in the worst case, one odd and one |
mbed_official | 354:e67efb2aab0e | 341 | even frame. |
mbed_official | 354:e67efb2aab0e | 342 | The update will not occur (UDR = 1 and UDD = 0) until the display is |
mbed_official | 354:e67efb2aab0e | 343 | enabled (LCDEN = 1). |
mbed_official | 354:e67efb2aab0e | 344 | |
mbed_official | 354:e67efb2aab0e | 345 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 346 | * @{ |
mbed_official | 354:e67efb2aab0e | 347 | */ |
mbed_official | 354:e67efb2aab0e | 348 | |
mbed_official | 354:e67efb2aab0e | 349 | /** |
mbed_official | 354:e67efb2aab0e | 350 | * @brief Writes a word in the specific LCD RAM. |
mbed_official | 354:e67efb2aab0e | 351 | * @param hlcd: LCD handle |
mbed_official | 354:e67efb2aab0e | 352 | * @param RAMRegisterIndex: specifies the LCD RAM Register. |
mbed_official | 354:e67efb2aab0e | 353 | * This parameter can be one of the following values: |
mbed_official | 354:e67efb2aab0e | 354 | * @arg LCD_RAM_REGISTER0: LCD RAM Register 0 |
mbed_official | 354:e67efb2aab0e | 355 | * @arg LCD_RAM_REGISTER1: LCD RAM Register 1 |
mbed_official | 354:e67efb2aab0e | 356 | * @arg LCD_RAM_REGISTER2: LCD RAM Register 2 |
mbed_official | 354:e67efb2aab0e | 357 | * @arg LCD_RAM_REGISTER3: LCD RAM Register 3 |
mbed_official | 354:e67efb2aab0e | 358 | * @arg LCD_RAM_REGISTER4: LCD RAM Register 4 |
mbed_official | 354:e67efb2aab0e | 359 | * @arg LCD_RAM_REGISTER5: LCD RAM Register 5 |
mbed_official | 354:e67efb2aab0e | 360 | * @arg LCD_RAM_REGISTER6: LCD RAM Register 6 |
mbed_official | 354:e67efb2aab0e | 361 | * @arg LCD_RAM_REGISTER7: LCD RAM Register 7 |
mbed_official | 354:e67efb2aab0e | 362 | * @arg LCD_RAM_REGISTER8: LCD RAM Register 8 |
mbed_official | 354:e67efb2aab0e | 363 | * @arg LCD_RAM_REGISTER9: LCD RAM Register 9 |
mbed_official | 354:e67efb2aab0e | 364 | * @arg LCD_RAM_REGISTER10: LCD RAM Register 10 |
mbed_official | 354:e67efb2aab0e | 365 | * @arg LCD_RAM_REGISTER11: LCD RAM Register 11 |
mbed_official | 354:e67efb2aab0e | 366 | * @arg LCD_RAM_REGISTER12: LCD RAM Register 12 |
mbed_official | 354:e67efb2aab0e | 367 | * @arg LCD_RAM_REGISTER13: LCD RAM Register 13 |
mbed_official | 354:e67efb2aab0e | 368 | * @arg LCD_RAM_REGISTER14: LCD RAM Register 14 |
mbed_official | 354:e67efb2aab0e | 369 | * @arg LCD_RAM_REGISTER15: LCD RAM Register 15 |
mbed_official | 354:e67efb2aab0e | 370 | * @param RAMRegisterMask: specifies the LCD RAM Register Data Mask. |
mbed_official | 354:e67efb2aab0e | 371 | * @param Data: specifies LCD Data Value to be written. |
mbed_official | 354:e67efb2aab0e | 372 | * @retval None |
mbed_official | 354:e67efb2aab0e | 373 | */ |
mbed_official | 354:e67efb2aab0e | 374 | HAL_StatusTypeDef HAL_LCD_Write(LCD_HandleTypeDef *hlcd, uint32_t RAMRegisterIndex, uint32_t RAMRegisterMask, uint32_t Data) |
mbed_official | 354:e67efb2aab0e | 375 | { |
mbed_official | 354:e67efb2aab0e | 376 | uint32_t tickstart = 0x00; |
mbed_official | 354:e67efb2aab0e | 377 | |
mbed_official | 354:e67efb2aab0e | 378 | if((hlcd->State == HAL_LCD_STATE_READY) || (hlcd->State == HAL_LCD_STATE_BUSY)) |
mbed_official | 354:e67efb2aab0e | 379 | { |
mbed_official | 354:e67efb2aab0e | 380 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 381 | assert_param(IS_LCD_RAM_REGISTER(RAMRegisterIndex)); |
mbed_official | 354:e67efb2aab0e | 382 | |
mbed_official | 354:e67efb2aab0e | 383 | if(hlcd->State == HAL_LCD_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 384 | { |
mbed_official | 354:e67efb2aab0e | 385 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 386 | __HAL_LOCK(hlcd); |
mbed_official | 354:e67efb2aab0e | 387 | hlcd->State = HAL_LCD_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 388 | |
mbed_official | 354:e67efb2aab0e | 389 | /* Get timeout */ |
mbed_official | 354:e67efb2aab0e | 390 | tickstart = HAL_GetTick(); |
mbed_official | 354:e67efb2aab0e | 391 | |
mbed_official | 354:e67efb2aab0e | 392 | /*!< Wait Until the LCD is ready */ |
mbed_official | 354:e67efb2aab0e | 393 | while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_UDR) != RESET) |
mbed_official | 354:e67efb2aab0e | 394 | { |
mbed_official | 354:e67efb2aab0e | 395 | if((HAL_GetTick() - tickstart ) > LCD_TIMEOUT_VALUE) |
mbed_official | 354:e67efb2aab0e | 396 | { |
mbed_official | 354:e67efb2aab0e | 397 | hlcd->ErrorCode = HAL_LCD_ERROR_UDR; |
mbed_official | 354:e67efb2aab0e | 398 | |
mbed_official | 354:e67efb2aab0e | 399 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 400 | __HAL_UNLOCK(hlcd); |
mbed_official | 354:e67efb2aab0e | 401 | |
mbed_official | 354:e67efb2aab0e | 402 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 403 | } |
mbed_official | 354:e67efb2aab0e | 404 | } |
mbed_official | 354:e67efb2aab0e | 405 | } |
mbed_official | 354:e67efb2aab0e | 406 | |
mbed_official | 354:e67efb2aab0e | 407 | /* Copy the new Data bytes to LCD RAM register */ |
mbed_official | 354:e67efb2aab0e | 408 | MODIFY_REG(hlcd->Instance->RAM[RAMRegisterIndex], ~(RAMRegisterMask), Data); |
mbed_official | 354:e67efb2aab0e | 409 | |
mbed_official | 354:e67efb2aab0e | 410 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 411 | } |
mbed_official | 354:e67efb2aab0e | 412 | else |
mbed_official | 354:e67efb2aab0e | 413 | { |
mbed_official | 354:e67efb2aab0e | 414 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 415 | } |
mbed_official | 354:e67efb2aab0e | 416 | } |
mbed_official | 354:e67efb2aab0e | 417 | |
mbed_official | 354:e67efb2aab0e | 418 | /** |
mbed_official | 354:e67efb2aab0e | 419 | * @brief Clears the LCD RAM registers. |
mbed_official | 354:e67efb2aab0e | 420 | * @param hlcd: LCD handle |
mbed_official | 354:e67efb2aab0e | 421 | * @retval None |
mbed_official | 354:e67efb2aab0e | 422 | */ |
mbed_official | 354:e67efb2aab0e | 423 | HAL_StatusTypeDef HAL_LCD_Clear(LCD_HandleTypeDef *hlcd) |
mbed_official | 354:e67efb2aab0e | 424 | { |
mbed_official | 354:e67efb2aab0e | 425 | uint32_t tickstart = 0x00; |
mbed_official | 354:e67efb2aab0e | 426 | uint32_t counter = 0; |
mbed_official | 354:e67efb2aab0e | 427 | |
mbed_official | 354:e67efb2aab0e | 428 | if((hlcd->State == HAL_LCD_STATE_READY) || (hlcd->State == HAL_LCD_STATE_BUSY)) |
mbed_official | 354:e67efb2aab0e | 429 | { |
mbed_official | 354:e67efb2aab0e | 430 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 431 | __HAL_LOCK(hlcd); |
mbed_official | 354:e67efb2aab0e | 432 | |
mbed_official | 354:e67efb2aab0e | 433 | hlcd->State = HAL_LCD_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 434 | |
mbed_official | 354:e67efb2aab0e | 435 | /* Get timeout */ |
mbed_official | 354:e67efb2aab0e | 436 | tickstart = HAL_GetTick(); |
mbed_official | 354:e67efb2aab0e | 437 | |
mbed_official | 354:e67efb2aab0e | 438 | /*!< Wait Until the LCD is ready */ |
mbed_official | 354:e67efb2aab0e | 439 | while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_UDR) != RESET) |
mbed_official | 354:e67efb2aab0e | 440 | { |
mbed_official | 354:e67efb2aab0e | 441 | if((HAL_GetTick() - tickstart ) > LCD_TIMEOUT_VALUE) |
mbed_official | 354:e67efb2aab0e | 442 | { |
mbed_official | 354:e67efb2aab0e | 443 | hlcd->ErrorCode = HAL_LCD_ERROR_UDR; |
mbed_official | 354:e67efb2aab0e | 444 | |
mbed_official | 354:e67efb2aab0e | 445 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 446 | __HAL_UNLOCK(hlcd); |
mbed_official | 354:e67efb2aab0e | 447 | |
mbed_official | 354:e67efb2aab0e | 448 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 449 | } |
mbed_official | 354:e67efb2aab0e | 450 | } |
mbed_official | 354:e67efb2aab0e | 451 | /* Clear the LCD_RAM registers */ |
mbed_official | 354:e67efb2aab0e | 452 | for(counter = LCD_RAM_REGISTER0; counter <= LCD_RAM_REGISTER15; counter++) |
mbed_official | 354:e67efb2aab0e | 453 | { |
mbed_official | 354:e67efb2aab0e | 454 | hlcd->Instance->RAM[counter] = 0; |
mbed_official | 354:e67efb2aab0e | 455 | } |
mbed_official | 354:e67efb2aab0e | 456 | |
mbed_official | 354:e67efb2aab0e | 457 | /* Update the LCD display */ |
mbed_official | 354:e67efb2aab0e | 458 | HAL_LCD_UpdateDisplayRequest(hlcd); |
mbed_official | 354:e67efb2aab0e | 459 | |
mbed_official | 354:e67efb2aab0e | 460 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 461 | } |
mbed_official | 354:e67efb2aab0e | 462 | else |
mbed_official | 354:e67efb2aab0e | 463 | { |
mbed_official | 354:e67efb2aab0e | 464 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 465 | } |
mbed_official | 354:e67efb2aab0e | 466 | } |
mbed_official | 354:e67efb2aab0e | 467 | |
mbed_official | 354:e67efb2aab0e | 468 | /** |
mbed_official | 354:e67efb2aab0e | 469 | * @brief Enables the Update Display Request. |
mbed_official | 354:e67efb2aab0e | 470 | * @param hlcd: LCD handle |
mbed_official | 354:e67efb2aab0e | 471 | * @note Each time software modifies the LCD_RAM it must set the UDR bit to |
mbed_official | 354:e67efb2aab0e | 472 | * transfer the updated data to the second level buffer. |
mbed_official | 354:e67efb2aab0e | 473 | * The UDR bit stays set until the end of the update and during this |
mbed_official | 354:e67efb2aab0e | 474 | * time the LCD_RAM is write protected. |
mbed_official | 354:e67efb2aab0e | 475 | * @note When the display is disabled, the update is performed for all |
mbed_official | 354:e67efb2aab0e | 476 | * LCD_DISPLAY locations. |
mbed_official | 354:e67efb2aab0e | 477 | * When the display is enabled, the update is performed only for locations |
mbed_official | 354:e67efb2aab0e | 478 | * for which commons are active (depending on DUTY). For example if |
mbed_official | 354:e67efb2aab0e | 479 | * DUTY = 1/2, only the LCD_DISPLAY of COM0 and COM1 will be updated. |
mbed_official | 354:e67efb2aab0e | 480 | * @retval None |
mbed_official | 354:e67efb2aab0e | 481 | */ |
mbed_official | 354:e67efb2aab0e | 482 | HAL_StatusTypeDef HAL_LCD_UpdateDisplayRequest(LCD_HandleTypeDef *hlcd) |
mbed_official | 354:e67efb2aab0e | 483 | { |
mbed_official | 354:e67efb2aab0e | 484 | uint32_t tickstart = 0x00; |
mbed_official | 354:e67efb2aab0e | 485 | |
mbed_official | 354:e67efb2aab0e | 486 | /* Clear the Update Display Done flag before starting the update display request */ |
mbed_official | 354:e67efb2aab0e | 487 | __HAL_LCD_CLEAR_FLAG(hlcd, LCD_FLAG_UDD); |
mbed_official | 354:e67efb2aab0e | 488 | |
mbed_official | 354:e67efb2aab0e | 489 | /* Enable the display request */ |
mbed_official | 354:e67efb2aab0e | 490 | hlcd->Instance->SR |= LCD_SR_UDR; |
mbed_official | 354:e67efb2aab0e | 491 | |
mbed_official | 354:e67efb2aab0e | 492 | /* Get timeout */ |
mbed_official | 354:e67efb2aab0e | 493 | tickstart = HAL_GetTick(); |
mbed_official | 354:e67efb2aab0e | 494 | |
mbed_official | 354:e67efb2aab0e | 495 | /*!< Wait Until the LCD display is done */ |
mbed_official | 354:e67efb2aab0e | 496 | while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_UDD) == RESET) |
mbed_official | 354:e67efb2aab0e | 497 | { |
mbed_official | 354:e67efb2aab0e | 498 | if((HAL_GetTick() - tickstart ) > LCD_TIMEOUT_VALUE) |
mbed_official | 354:e67efb2aab0e | 499 | { |
mbed_official | 354:e67efb2aab0e | 500 | hlcd->ErrorCode = HAL_LCD_ERROR_UDD; |
mbed_official | 354:e67efb2aab0e | 501 | |
mbed_official | 354:e67efb2aab0e | 502 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 503 | __HAL_UNLOCK(hlcd); |
mbed_official | 354:e67efb2aab0e | 504 | |
mbed_official | 354:e67efb2aab0e | 505 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 506 | } |
mbed_official | 354:e67efb2aab0e | 507 | } |
mbed_official | 354:e67efb2aab0e | 508 | |
mbed_official | 354:e67efb2aab0e | 509 | hlcd->State = HAL_LCD_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 510 | |
mbed_official | 354:e67efb2aab0e | 511 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 512 | __HAL_UNLOCK(hlcd); |
mbed_official | 354:e67efb2aab0e | 513 | |
mbed_official | 354:e67efb2aab0e | 514 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 515 | } |
mbed_official | 354:e67efb2aab0e | 516 | |
mbed_official | 354:e67efb2aab0e | 517 | /** |
mbed_official | 354:e67efb2aab0e | 518 | * @} |
mbed_official | 354:e67efb2aab0e | 519 | */ |
mbed_official | 354:e67efb2aab0e | 520 | |
mbed_official | 354:e67efb2aab0e | 521 | /** @defgroup LCD_Exported_Functions_Group3 Peripheral State methods |
mbed_official | 354:e67efb2aab0e | 522 | * @brief LCD State functions |
mbed_official | 354:e67efb2aab0e | 523 | * |
mbed_official | 354:e67efb2aab0e | 524 | @verbatim |
mbed_official | 354:e67efb2aab0e | 525 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 526 | ##### Peripheral State functions ##### |
mbed_official | 354:e67efb2aab0e | 527 | =============================================================================== |
mbed_official | 354:e67efb2aab0e | 528 | [..] |
mbed_official | 354:e67efb2aab0e | 529 | This subsection provides a set of functions allowing to control the LCD: |
mbed_official | 354:e67efb2aab0e | 530 | (+) HAL_LCD_GetState() API can be helpful to check in run-time the state of the LCD peripheral State. |
mbed_official | 354:e67efb2aab0e | 531 | (+) HAL_LCD_GetError() API to return the LCD error code. |
mbed_official | 354:e67efb2aab0e | 532 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 533 | * @{ |
mbed_official | 354:e67efb2aab0e | 534 | */ |
mbed_official | 354:e67efb2aab0e | 535 | |
mbed_official | 354:e67efb2aab0e | 536 | /** |
mbed_official | 354:e67efb2aab0e | 537 | * @brief Returns the LCD state. |
mbed_official | 354:e67efb2aab0e | 538 | * @param hlcd: LCD handle |
mbed_official | 354:e67efb2aab0e | 539 | * @retval HAL state |
mbed_official | 354:e67efb2aab0e | 540 | */ |
mbed_official | 354:e67efb2aab0e | 541 | HAL_LCD_StateTypeDef HAL_LCD_GetState(LCD_HandleTypeDef *hlcd) |
mbed_official | 354:e67efb2aab0e | 542 | { |
mbed_official | 354:e67efb2aab0e | 543 | return hlcd->State; |
mbed_official | 354:e67efb2aab0e | 544 | } |
mbed_official | 354:e67efb2aab0e | 545 | |
mbed_official | 354:e67efb2aab0e | 546 | /** |
mbed_official | 354:e67efb2aab0e | 547 | * @brief Return the LCD error code |
mbed_official | 354:e67efb2aab0e | 548 | * @param hlcd: LCD handle |
mbed_official | 354:e67efb2aab0e | 549 | * @retval LCD Error Code |
mbed_official | 354:e67efb2aab0e | 550 | */ |
mbed_official | 354:e67efb2aab0e | 551 | uint32_t HAL_LCD_GetError(LCD_HandleTypeDef *hlcd) |
mbed_official | 354:e67efb2aab0e | 552 | { |
mbed_official | 354:e67efb2aab0e | 553 | return hlcd->ErrorCode; |
mbed_official | 354:e67efb2aab0e | 554 | } |
mbed_official | 354:e67efb2aab0e | 555 | |
mbed_official | 354:e67efb2aab0e | 556 | /** |
mbed_official | 354:e67efb2aab0e | 557 | * @} |
mbed_official | 354:e67efb2aab0e | 558 | */ |
mbed_official | 354:e67efb2aab0e | 559 | |
mbed_official | 354:e67efb2aab0e | 560 | /** |
mbed_official | 354:e67efb2aab0e | 561 | * @} |
mbed_official | 354:e67efb2aab0e | 562 | */ |
mbed_official | 354:e67efb2aab0e | 563 | |
mbed_official | 354:e67efb2aab0e | 564 | /** @defgroup LCD_Private_Functions LCD Private Functions |
mbed_official | 354:e67efb2aab0e | 565 | * @{ |
mbed_official | 354:e67efb2aab0e | 566 | */ |
mbed_official | 354:e67efb2aab0e | 567 | |
mbed_official | 354:e67efb2aab0e | 568 | /** |
mbed_official | 354:e67efb2aab0e | 569 | * @brief Waits until the LCD FCR register is synchronized in the LCDCLK domain. |
mbed_official | 354:e67efb2aab0e | 570 | * This function must be called after any write operation to LCD_FCR register. |
mbed_official | 354:e67efb2aab0e | 571 | * @retval None |
mbed_official | 354:e67efb2aab0e | 572 | */ |
mbed_official | 354:e67efb2aab0e | 573 | HAL_StatusTypeDef LCD_WaitForSynchro(LCD_HandleTypeDef *hlcd) |
mbed_official | 354:e67efb2aab0e | 574 | { |
mbed_official | 354:e67efb2aab0e | 575 | uint32_t tickstart = 0x00; |
mbed_official | 354:e67efb2aab0e | 576 | |
mbed_official | 354:e67efb2aab0e | 577 | /* Get timeout */ |
mbed_official | 354:e67efb2aab0e | 578 | tickstart = HAL_GetTick(); |
mbed_official | 354:e67efb2aab0e | 579 | |
mbed_official | 354:e67efb2aab0e | 580 | /* Loop until FCRSF flag is set */ |
mbed_official | 354:e67efb2aab0e | 581 | while(__HAL_LCD_GET_FLAG(hlcd, LCD_FLAG_FCRSF) == RESET) |
mbed_official | 354:e67efb2aab0e | 582 | { |
mbed_official | 354:e67efb2aab0e | 583 | if((HAL_GetTick() - tickstart ) > LCD_TIMEOUT_VALUE) |
mbed_official | 354:e67efb2aab0e | 584 | { |
mbed_official | 354:e67efb2aab0e | 585 | hlcd->ErrorCode = HAL_LCD_ERROR_FCRSF; |
mbed_official | 354:e67efb2aab0e | 586 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 587 | } |
mbed_official | 354:e67efb2aab0e | 588 | } |
mbed_official | 354:e67efb2aab0e | 589 | |
mbed_official | 354:e67efb2aab0e | 590 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 591 | } |
mbed_official | 354:e67efb2aab0e | 592 | |
mbed_official | 354:e67efb2aab0e | 593 | /** |
mbed_official | 354:e67efb2aab0e | 594 | * @} |
mbed_official | 354:e67efb2aab0e | 595 | */ |
mbed_official | 354:e67efb2aab0e | 596 | |
mbed_official | 354:e67efb2aab0e | 597 | /** |
mbed_official | 354:e67efb2aab0e | 598 | * @} |
mbed_official | 354:e67efb2aab0e | 599 | */ |
mbed_official | 354:e67efb2aab0e | 600 | |
mbed_official | 354:e67efb2aab0e | 601 | #endif /* STM32L100xB || STM32L100xBA || STM32L100xC ||... || STM32L162xD || STM32L162xE */ |
mbed_official | 354:e67efb2aab0e | 602 | |
mbed_official | 354:e67efb2aab0e | 603 | #endif /* HAL_LCD_MODULE_ENABLED */ |
mbed_official | 354:e67efb2aab0e | 604 | |
mbed_official | 354:e67efb2aab0e | 605 | /** |
mbed_official | 354:e67efb2aab0e | 606 | * @} |
mbed_official | 354:e67efb2aab0e | 607 | */ |
mbed_official | 354:e67efb2aab0e | 608 | |
mbed_official | 354:e67efb2aab0e | 609 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
mbed_official | 354:e67efb2aab0e | 610 |