en 129 / mbed-dev

fix LPC812 PWM

Dependents:   IR_LED_Send

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_ltdc.c@129:2e517c56bcfb, 2016-05-16 (annotated)

Committer:
nameless129
Date:
Mon May 16 16:50:30 2016 +0000
Revision:
129:2e517c56bcfb
Parent:
83:a036322b8637 
PWM Fix:Duty 0%??H???????????????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /**
bogdanm 0:9b334a45a8ff 2 ******************************************************************************
bogdanm 0:9b334a45a8ff 3 * @file stm32f7xx_hal_ltdc.c
bogdanm 0:9b334a45a8ff 4 * @author MCD Application Team
mbed_official 83:a036322b8637 5 * @version V1.0.4
mbed_official 83:a036322b8637 6 * @date 09-December-2015
bogdanm 0:9b334a45a8ff 7 * @brief LTDC HAL module driver.
bogdanm 0:9b334a45a8ff 8 * This file provides firmware functions to manage the following
bogdanm 0:9b334a45a8ff 9 * functionalities of the LTDC peripheral:
bogdanm 0:9b334a45a8ff 10 * + Initialization and de-initialization functions
bogdanm 0:9b334a45a8ff 11 * + IO operation functions
bogdanm 0:9b334a45a8ff 12 * + Peripheral Control functions
bogdanm 0:9b334a45a8ff 13 * + Peripheral State and Errors functions
bogdanm 0:9b334a45a8ff 14 *
bogdanm 0:9b334a45a8ff 15 @verbatim
bogdanm 0:9b334a45a8ff 16 ==============================================================================
bogdanm 0:9b334a45a8ff 17 ##### How to use this driver #####
bogdanm 0:9b334a45a8ff 18 ==============================================================================
bogdanm 0:9b334a45a8ff 19 [..]
bogdanm 0:9b334a45a8ff 20 (#) Program the required configuration through the following parameters:
bogdanm 0:9b334a45a8ff 21 the LTDC timing, the horizontal and vertical polarity,
bogdanm 0:9b334a45a8ff 22 the pixel clock polarity, Data Enable polarity and the LTDC background color value
bogdanm 0:9b334a45a8ff 23 using HAL_LTDC_Init() function
bogdanm 0:9b334a45a8ff 24
bogdanm 0:9b334a45a8ff 25 (#) Program the required configuration through the following parameters:
bogdanm 0:9b334a45a8ff 26 the pixel format, the blending factors, input alpha value, the window size
bogdanm 0:9b334a45a8ff 27 and the image size using HAL_LTDC_ConfigLayer() function for foreground
bogdanm 0:9b334a45a8ff 28 or/and background layer.
bogdanm 0:9b334a45a8ff 29
bogdanm 0:9b334a45a8ff 30 (#) Optionally, configure and enable the CLUT using HAL_LTDC_ConfigCLUT() and
bogdanm 0:9b334a45a8ff 31 HAL_LTDC_EnableCLUT functions.
bogdanm 0:9b334a45a8ff 32
bogdanm 0:9b334a45a8ff 33 (#) Optionally, enable the Dither using HAL_LTDC_EnableDither().
bogdanm 0:9b334a45a8ff 34
bogdanm 0:9b334a45a8ff 35 (#) Optionally, configure and enable the Color keying using HAL_LTDC_ConfigColorKeying()
bogdanm 0:9b334a45a8ff 36 and HAL_LTDC_EnableColorKeying functions.
bogdanm 0:9b334a45a8ff 37
bogdanm 0:9b334a45a8ff 38 (#) Optionally, configure LineInterrupt using HAL_LTDC_ProgramLineEvent()
bogdanm 0:9b334a45a8ff 39 function
bogdanm 0:9b334a45a8ff 40
bogdanm 0:9b334a45a8ff 41 (#) If needed, reconfigure and change the pixel format value, the alpha value
bogdanm 0:9b334a45a8ff 42 value, the window size, the window position and the layer start address
bogdanm 0:9b334a45a8ff 43 for foreground or/and background layer using respectively the following
bogdanm 0:9b334a45a8ff 44 functions: HAL_LTDC_SetPixelFormat(), HAL_LTDC_SetAlpha(), HAL_LTDC_SetWindowSize(),
bogdanm 0:9b334a45a8ff 45 HAL_LTDC_SetWindowPosition(), HAL_LTDC_SetAddress.
bogdanm 0:9b334a45a8ff 46
bogdanm 0:9b334a45a8ff 47 (#) To control LTDC state you can use the following function: HAL_LTDC_GetState()
bogdanm 0:9b334a45a8ff 48
bogdanm 0:9b334a45a8ff 49 *** LTDC HAL driver macros list ***
bogdanm 0:9b334a45a8ff 50 =============================================
bogdanm 0:9b334a45a8ff 51 [..]
bogdanm 0:9b334a45a8ff 52 Below the list of most used macros in LTDC HAL driver.
bogdanm 0:9b334a45a8ff 53
bogdanm 0:9b334a45a8ff 54 (+) __HAL_LTDC_ENABLE: Enable the LTDC.
bogdanm 0:9b334a45a8ff 55 (+) __HAL_LTDC_DISABLE: Disable the LTDC.
bogdanm 0:9b334a45a8ff 56 (+) __HAL_LTDC_LAYER_ENABLE: Enable the LTDC Layer.
bogdanm 0:9b334a45a8ff 57 (+) __HAL_LTDC_LAYER_DISABLE: Disable the LTDC Layer.
bogdanm 0:9b334a45a8ff 58 (+) __HAL_LTDC_RELOAD_CONFIG: Reload Layer Configuration.
bogdanm 0:9b334a45a8ff 59 (+) __HAL_LTDC_GET_FLAG: Get the LTDC pending flags.
bogdanm 0:9b334a45a8ff 60 (+) __HAL_LTDC_CLEAR_FLAG: Clear the LTDC pending flags.
bogdanm 0:9b334a45a8ff 61 (+) __HAL_LTDC_ENABLE_IT: Enable the specified LTDC interrupts.
bogdanm 0:9b334a45a8ff 62 (+) __HAL_LTDC_DISABLE_IT: Disable the specified LTDC interrupts.
bogdanm 0:9b334a45a8ff 63 (+) __HAL_LTDC_GET_IT_SOURCE: Check whether the specified LTDC interrupt has occurred or not.
bogdanm 0:9b334a45a8ff 64
bogdanm 0:9b334a45a8ff 65 [..]
bogdanm 0:9b334a45a8ff 66 (@) You can refer to the LTDC HAL driver header file for more useful macros
bogdanm 0:9b334a45a8ff 67
bogdanm 0:9b334a45a8ff 68 @endverbatim
bogdanm 0:9b334a45a8ff 69 ******************************************************************************
bogdanm 0:9b334a45a8ff 70 * @attention
bogdanm 0:9b334a45a8ff 71 *
bogdanm 0:9b334a45a8ff 72 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
bogdanm 0:9b334a45a8ff 73 *
bogdanm 0:9b334a45a8ff 74 * Redistribution and use in source and binary forms, with or without modification,
bogdanm 0:9b334a45a8ff 75 * are permitted provided that the following conditions are met:
bogdanm 0:9b334a45a8ff 76 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 0:9b334a45a8ff 77 * this list of conditions and the following disclaimer.
bogdanm 0:9b334a45a8ff 78 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 0:9b334a45a8ff 79 * this list of conditions and the following disclaimer in the documentation
bogdanm 0:9b334a45a8ff 80 * and/or other materials provided with the distribution.
bogdanm 0:9b334a45a8ff 81 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 0:9b334a45a8ff 82 * may be used to endorse or promote products derived from this software
bogdanm 0:9b334a45a8ff 83 * without specific prior written permission.
bogdanm 0:9b334a45a8ff 84 *
bogdanm 0:9b334a45a8ff 85 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 0:9b334a45a8ff 86 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 0:9b334a45a8ff 87 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 0:9b334a45a8ff 88 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 0:9b334a45a8ff 89 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 0:9b334a45a8ff 90 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 0:9b334a45a8ff 91 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 0:9b334a45a8ff 92 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 0:9b334a45a8ff 93 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 0:9b334a45a8ff 94 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 0:9b334a45a8ff 95 *
bogdanm 0:9b334a45a8ff 96 ******************************************************************************
bogdanm 0:9b334a45a8ff 97 */
bogdanm 0:9b334a45a8ff 98
bogdanm 0:9b334a45a8ff 99 /* Includes ------------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 100 #include "stm32f7xx_hal.h"
bogdanm 0:9b334a45a8ff 101
bogdanm 0:9b334a45a8ff 102 /** @addtogroup STM32F7xx_HAL_Driver
bogdanm 0:9b334a45a8ff 103 * @{
bogdanm 0:9b334a45a8ff 104 */
mbed_official 83:a036322b8637 105 #if defined (STM32F746xx) || defined (STM32F756xx)
bogdanm 0:9b334a45a8ff 106
bogdanm 0:9b334a45a8ff 107 /** @defgroup LTDC LTDC
bogdanm 0:9b334a45a8ff 108 * @brief LTDC HAL module driver
bogdanm 0:9b334a45a8ff 109 * @{
bogdanm 0:9b334a45a8ff 110 */
bogdanm 0:9b334a45a8ff 111
bogdanm 0:9b334a45a8ff 112 #ifdef HAL_LTDC_MODULE_ENABLED
bogdanm 0:9b334a45a8ff 113
bogdanm 0:9b334a45a8ff 114 /* Private typedef -----------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 115 /* Private define ------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 116 /* Private macro -------------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 117 /* Private variables ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 118 /* Private function prototypes -----------------------------------------------*/
bogdanm 0:9b334a45a8ff 119 static void LTDC_SetConfig(LTDC_HandleTypeDef *hltdc, LTDC_LayerCfgTypeDef *pLayerCfg, uint32_t LayerIdx);
bogdanm 0:9b334a45a8ff 120 /* Private functions ---------------------------------------------------------*/
bogdanm 0:9b334a45a8ff 121
bogdanm 0:9b334a45a8ff 122 /** @defgroup LTDC_Exported_Functions LTDC Exported Functions
bogdanm 0:9b334a45a8ff 123 * @{
bogdanm 0:9b334a45a8ff 124 */
bogdanm 0:9b334a45a8ff 125
bogdanm 0:9b334a45a8ff 126 /** @defgroup LTDC_Exported_Functions_Group1 Initialization and Configuration functions
bogdanm 0:9b334a45a8ff 127 * @brief Initialization and Configuration functions
bogdanm 0:9b334a45a8ff 128 *
bogdanm 0:9b334a45a8ff 129 @verbatim
bogdanm 0:9b334a45a8ff 130 ===============================================================================
bogdanm 0:9b334a45a8ff 131 ##### Initialization and Configuration functions #####
bogdanm 0:9b334a45a8ff 132 ===============================================================================
bogdanm 0:9b334a45a8ff 133 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 134 (+) Initialize and configure the LTDC
bogdanm 0:9b334a45a8ff 135 (+) De-initialize the LTDC
bogdanm 0:9b334a45a8ff 136
bogdanm 0:9b334a45a8ff 137 @endverbatim
bogdanm 0:9b334a45a8ff 138 * @{
bogdanm 0:9b334a45a8ff 139 */
bogdanm 0:9b334a45a8ff 140
bogdanm 0:9b334a45a8ff 141 /**
bogdanm 0:9b334a45a8ff 142 * @brief Initializes the LTDC according to the specified
bogdanm 0:9b334a45a8ff 143 * parameters in the LTDC_InitTypeDef and create the associated handle.
bogdanm 0:9b334a45a8ff 144 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 145 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 146 * @retval HAL status
bogdanm 0:9b334a45a8ff 147 */
bogdanm 0:9b334a45a8ff 148 HAL_StatusTypeDef HAL_LTDC_Init(LTDC_HandleTypeDef *hltdc)
bogdanm 0:9b334a45a8ff 149 {
bogdanm 0:9b334a45a8ff 150 uint32_t tmp = 0, tmp1 = 0;
bogdanm 0:9b334a45a8ff 151
bogdanm 0:9b334a45a8ff 152 /* Check the LTDC peripheral state */
bogdanm 0:9b334a45a8ff 153 if(hltdc == NULL)
bogdanm 0:9b334a45a8ff 154 {
bogdanm 0:9b334a45a8ff 155 return HAL_ERROR;
bogdanm 0:9b334a45a8ff 156 }
bogdanm 0:9b334a45a8ff 157
bogdanm 0:9b334a45a8ff 158 /* Check function parameters */
bogdanm 0:9b334a45a8ff 159 assert_param(IS_LTDC_ALL_INSTANCE(hltdc->Instance));
bogdanm 0:9b334a45a8ff 160 assert_param(IS_LTDC_HSYNC(hltdc->Init.HorizontalSync));
bogdanm 0:9b334a45a8ff 161 assert_param(IS_LTDC_VSYNC(hltdc->Init.VerticalSync));
bogdanm 0:9b334a45a8ff 162 assert_param(IS_LTDC_AHBP(hltdc->Init.AccumulatedHBP));
bogdanm 0:9b334a45a8ff 163 assert_param(IS_LTDC_AVBP(hltdc->Init.AccumulatedVBP));
bogdanm 0:9b334a45a8ff 164 assert_param(IS_LTDC_AAH(hltdc->Init.AccumulatedActiveH));
bogdanm 0:9b334a45a8ff 165 assert_param(IS_LTDC_AAW(hltdc->Init.AccumulatedActiveW));
bogdanm 0:9b334a45a8ff 166 assert_param(IS_LTDC_TOTALH(hltdc->Init.TotalHeigh));
bogdanm 0:9b334a45a8ff 167 assert_param(IS_LTDC_TOTALW(hltdc->Init.TotalWidth));
bogdanm 0:9b334a45a8ff 168 assert_param(IS_LTDC_HSPOL(hltdc->Init.HSPolarity));
bogdanm 0:9b334a45a8ff 169 assert_param(IS_LTDC_VSPOL(hltdc->Init.VSPolarity));
bogdanm 0:9b334a45a8ff 170 assert_param(IS_LTDC_DEPOL(hltdc->Init.DEPolarity));
bogdanm 0:9b334a45a8ff 171 assert_param(IS_LTDC_PCPOL(hltdc->Init.PCPolarity));
bogdanm 0:9b334a45a8ff 172
bogdanm 0:9b334a45a8ff 173 if(hltdc->State == HAL_LTDC_STATE_RESET)
bogdanm 0:9b334a45a8ff 174 {
bogdanm 0:9b334a45a8ff 175 /* Allocate lock resource and initialize it */
bogdanm 0:9b334a45a8ff 176 hltdc->Lock = HAL_UNLOCKED;
bogdanm 0:9b334a45a8ff 177 /* Init the low level hardware */
bogdanm 0:9b334a45a8ff 178 HAL_LTDC_MspInit(hltdc);
bogdanm 0:9b334a45a8ff 179 }
bogdanm 0:9b334a45a8ff 180
bogdanm 0:9b334a45a8ff 181 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 182 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 183
bogdanm 0:9b334a45a8ff 184 /* Configures the HS, VS, DE and PC polarity */
bogdanm 0:9b334a45a8ff 185 hltdc->Instance->GCR &= ~(LTDC_GCR_HSPOL | LTDC_GCR_VSPOL | LTDC_GCR_DEPOL | LTDC_GCR_PCPOL);
bogdanm 0:9b334a45a8ff 186 hltdc->Instance->GCR |= (uint32_t)(hltdc->Init.HSPolarity | hltdc->Init.VSPolarity | \
bogdanm 0:9b334a45a8ff 187 hltdc->Init.DEPolarity | hltdc->Init.PCPolarity);
bogdanm 0:9b334a45a8ff 188
bogdanm 0:9b334a45a8ff 189 /* Sets Synchronization size */
bogdanm 0:9b334a45a8ff 190 hltdc->Instance->SSCR &= ~(LTDC_SSCR_VSH | LTDC_SSCR_HSW);
bogdanm 0:9b334a45a8ff 191 tmp = (hltdc->Init.HorizontalSync << 16);
bogdanm 0:9b334a45a8ff 192 hltdc->Instance->SSCR |= (tmp | hltdc->Init.VerticalSync);
bogdanm 0:9b334a45a8ff 193
bogdanm 0:9b334a45a8ff 194 /* Sets Accumulated Back porch */
bogdanm 0:9b334a45a8ff 195 hltdc->Instance->BPCR &= ~(LTDC_BPCR_AVBP | LTDC_BPCR_AHBP);
bogdanm 0:9b334a45a8ff 196 tmp = (hltdc->Init.AccumulatedHBP << 16);
bogdanm 0:9b334a45a8ff 197 hltdc->Instance->BPCR |= (tmp | hltdc->Init.AccumulatedVBP);
bogdanm 0:9b334a45a8ff 198
bogdanm 0:9b334a45a8ff 199 /* Sets Accumulated Active Width */
bogdanm 0:9b334a45a8ff 200 hltdc->Instance->AWCR &= ~(LTDC_AWCR_AAH | LTDC_AWCR_AAW);
bogdanm 0:9b334a45a8ff 201 tmp = (hltdc->Init.AccumulatedActiveW << 16);
bogdanm 0:9b334a45a8ff 202 hltdc->Instance->AWCR |= (tmp | hltdc->Init.AccumulatedActiveH);
bogdanm 0:9b334a45a8ff 203
bogdanm 0:9b334a45a8ff 204 /* Sets Total Width */
bogdanm 0:9b334a45a8ff 205 hltdc->Instance->TWCR &= ~(LTDC_TWCR_TOTALH | LTDC_TWCR_TOTALW);
bogdanm 0:9b334a45a8ff 206 tmp = (hltdc->Init.TotalWidth << 16);
bogdanm 0:9b334a45a8ff 207 hltdc->Instance->TWCR |= (tmp | hltdc->Init.TotalHeigh);
bogdanm 0:9b334a45a8ff 208
bogdanm 0:9b334a45a8ff 209 /* Sets the background color value */
bogdanm 0:9b334a45a8ff 210 tmp = ((uint32_t)(hltdc->Init.Backcolor.Green) << 8);
bogdanm 0:9b334a45a8ff 211 tmp1 = ((uint32_t)(hltdc->Init.Backcolor.Red) << 16);
bogdanm 0:9b334a45a8ff 212 hltdc->Instance->BCCR &= ~(LTDC_BCCR_BCBLUE | LTDC_BCCR_BCGREEN | LTDC_BCCR_BCRED);
bogdanm 0:9b334a45a8ff 213 hltdc->Instance->BCCR |= (tmp1 | tmp | hltdc->Init.Backcolor.Blue);
bogdanm 0:9b334a45a8ff 214
bogdanm 0:9b334a45a8ff 215 /* Enable the transfer Error interrupt */
bogdanm 0:9b334a45a8ff 216 __HAL_LTDC_ENABLE_IT(hltdc, LTDC_IT_TE);
bogdanm 0:9b334a45a8ff 217
bogdanm 0:9b334a45a8ff 218 /* Enable the FIFO underrun interrupt */
bogdanm 0:9b334a45a8ff 219 __HAL_LTDC_ENABLE_IT(hltdc, LTDC_IT_FU);
bogdanm 0:9b334a45a8ff 220
bogdanm 0:9b334a45a8ff 221 /* Enable LTDC by setting LTDCEN bit */
bogdanm 0:9b334a45a8ff 222 __HAL_LTDC_ENABLE(hltdc);
bogdanm 0:9b334a45a8ff 223
bogdanm 0:9b334a45a8ff 224 /* Initialize the error code */
bogdanm 0:9b334a45a8ff 225 hltdc->ErrorCode = HAL_LTDC_ERROR_NONE;
bogdanm 0:9b334a45a8ff 226
bogdanm 0:9b334a45a8ff 227 /* Initialize the LTDC state*/
bogdanm 0:9b334a45a8ff 228 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 229
bogdanm 0:9b334a45a8ff 230 return HAL_OK;
bogdanm 0:9b334a45a8ff 231 }
bogdanm 0:9b334a45a8ff 232
bogdanm 0:9b334a45a8ff 233 /**
bogdanm 0:9b334a45a8ff 234 * @brief Deinitializes the LTDC peripheral registers to their default reset
bogdanm 0:9b334a45a8ff 235 * values.
bogdanm 0:9b334a45a8ff 236 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 237 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 238 * @retval None
bogdanm 0:9b334a45a8ff 239 */
bogdanm 0:9b334a45a8ff 240
bogdanm 0:9b334a45a8ff 241 HAL_StatusTypeDef HAL_LTDC_DeInit(LTDC_HandleTypeDef *hltdc)
bogdanm 0:9b334a45a8ff 242 {
bogdanm 0:9b334a45a8ff 243 /* DeInit the low level hardware */
bogdanm 0:9b334a45a8ff 244 HAL_LTDC_MspDeInit(hltdc);
bogdanm 0:9b334a45a8ff 245
bogdanm 0:9b334a45a8ff 246 /* Initialize the error code */
bogdanm 0:9b334a45a8ff 247 hltdc->ErrorCode = HAL_LTDC_ERROR_NONE;
bogdanm 0:9b334a45a8ff 248
bogdanm 0:9b334a45a8ff 249 /* Initialize the LTDC state*/
bogdanm 0:9b334a45a8ff 250 hltdc->State = HAL_LTDC_STATE_RESET;
bogdanm 0:9b334a45a8ff 251
bogdanm 0:9b334a45a8ff 252 /* Release Lock */
bogdanm 0:9b334a45a8ff 253 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 254
bogdanm 0:9b334a45a8ff 255 return HAL_OK;
bogdanm 0:9b334a45a8ff 256 }
bogdanm 0:9b334a45a8ff 257
bogdanm 0:9b334a45a8ff 258 /**
bogdanm 0:9b334a45a8ff 259 * @brief Initializes the LTDC MSP.
bogdanm 0:9b334a45a8ff 260 * @param hltdc : pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 261 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 262 * @retval None
bogdanm 0:9b334a45a8ff 263 */
bogdanm 0:9b334a45a8ff 264 __weak void HAL_LTDC_MspInit(LTDC_HandleTypeDef* hltdc)
bogdanm 0:9b334a45a8ff 265 {
mbed_official 83:a036322b8637 266 /* Prevent unused argument(s) compilation warning */
mbed_official 83:a036322b8637 267 UNUSED(hltdc);
mbed_official 83:a036322b8637 268
bogdanm 0:9b334a45a8ff 269 /* NOTE : This function Should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 270 the HAL_LTDC_MspInit could be implemented in the user file
bogdanm 0:9b334a45a8ff 271 */
bogdanm 0:9b334a45a8ff 272 }
bogdanm 0:9b334a45a8ff 273
bogdanm 0:9b334a45a8ff 274 /**
bogdanm 0:9b334a45a8ff 275 * @brief DeInitializes the LTDC MSP.
bogdanm 0:9b334a45a8ff 276 * @param hltdc : pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 277 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 278 * @retval None
bogdanm 0:9b334a45a8ff 279 */
bogdanm 0:9b334a45a8ff 280 __weak void HAL_LTDC_MspDeInit(LTDC_HandleTypeDef* hltdc)
bogdanm 0:9b334a45a8ff 281 {
mbed_official 83:a036322b8637 282 /* Prevent unused argument(s) compilation warning */
mbed_official 83:a036322b8637 283 UNUSED(hltdc);
mbed_official 83:a036322b8637 284
bogdanm 0:9b334a45a8ff 285 /* NOTE : This function Should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 286 the HAL_LTDC_MspDeInit could be implemented in the user file
bogdanm 0:9b334a45a8ff 287 */
bogdanm 0:9b334a45a8ff 288 }
bogdanm 0:9b334a45a8ff 289
bogdanm 0:9b334a45a8ff 290 /**
bogdanm 0:9b334a45a8ff 291 * @}
bogdanm 0:9b334a45a8ff 292 */
bogdanm 0:9b334a45a8ff 293
bogdanm 0:9b334a45a8ff 294 /** @defgroup LTDC_Exported_Functions_Group2 IO operation functions
bogdanm 0:9b334a45a8ff 295 * @brief IO operation functions
bogdanm 0:9b334a45a8ff 296 *
bogdanm 0:9b334a45a8ff 297 @verbatim
bogdanm 0:9b334a45a8ff 298 ===============================================================================
bogdanm 0:9b334a45a8ff 299 ##### IO operation functions #####
bogdanm 0:9b334a45a8ff 300 ===============================================================================
bogdanm 0:9b334a45a8ff 301 [..] This section provides function allowing to:
bogdanm 0:9b334a45a8ff 302 (+) Handle LTDC interrupt request
bogdanm 0:9b334a45a8ff 303
bogdanm 0:9b334a45a8ff 304 @endverbatim
bogdanm 0:9b334a45a8ff 305 * @{
bogdanm 0:9b334a45a8ff 306 */
bogdanm 0:9b334a45a8ff 307 /**
bogdanm 0:9b334a45a8ff 308 * @brief Handles LTDC interrupt request.
bogdanm 0:9b334a45a8ff 309 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 310 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 311 * @retval HAL status
bogdanm 0:9b334a45a8ff 312 */
bogdanm 0:9b334a45a8ff 313 void HAL_LTDC_IRQHandler(LTDC_HandleTypeDef *hltdc)
bogdanm 0:9b334a45a8ff 314 {
bogdanm 0:9b334a45a8ff 315 /* Transfer Error Interrupt management ***************************************/
bogdanm 0:9b334a45a8ff 316 if(__HAL_LTDC_GET_FLAG(hltdc, LTDC_FLAG_TE) != RESET)
bogdanm 0:9b334a45a8ff 317 {
bogdanm 0:9b334a45a8ff 318 if(__HAL_LTDC_GET_IT_SOURCE(hltdc, LTDC_IT_TE) != RESET)
bogdanm 0:9b334a45a8ff 319 {
bogdanm 0:9b334a45a8ff 320 /* Disable the transfer Error interrupt */
bogdanm 0:9b334a45a8ff 321 __HAL_LTDC_DISABLE_IT(hltdc, LTDC_IT_TE);
bogdanm 0:9b334a45a8ff 322
bogdanm 0:9b334a45a8ff 323 /* Clear the transfer error flag */
bogdanm 0:9b334a45a8ff 324 __HAL_LTDC_CLEAR_FLAG(hltdc, LTDC_FLAG_TE);
bogdanm 0:9b334a45a8ff 325
bogdanm 0:9b334a45a8ff 326 /* Update error code */
bogdanm 0:9b334a45a8ff 327 hltdc->ErrorCode |= HAL_LTDC_ERROR_TE;
bogdanm 0:9b334a45a8ff 328
bogdanm 0:9b334a45a8ff 329 /* Change LTDC state */
bogdanm 0:9b334a45a8ff 330 hltdc->State = HAL_LTDC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 331
bogdanm 0:9b334a45a8ff 332 /* Process unlocked */
bogdanm 0:9b334a45a8ff 333 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 334
bogdanm 0:9b334a45a8ff 335 /* Transfer error Callback */
bogdanm 0:9b334a45a8ff 336 HAL_LTDC_ErrorCallback(hltdc);
bogdanm 0:9b334a45a8ff 337 }
bogdanm 0:9b334a45a8ff 338 }
bogdanm 0:9b334a45a8ff 339 /* FIFO underrun Interrupt management ***************************************/
bogdanm 0:9b334a45a8ff 340 if(__HAL_LTDC_GET_FLAG(hltdc, LTDC_FLAG_FU) != RESET)
bogdanm 0:9b334a45a8ff 341 {
bogdanm 0:9b334a45a8ff 342 if(__HAL_LTDC_GET_IT_SOURCE(hltdc, LTDC_IT_FU) != RESET)
bogdanm 0:9b334a45a8ff 343 {
bogdanm 0:9b334a45a8ff 344 /* Disable the FIFO underrun interrupt */
bogdanm 0:9b334a45a8ff 345 __HAL_LTDC_DISABLE_IT(hltdc, LTDC_IT_FU);
bogdanm 0:9b334a45a8ff 346
bogdanm 0:9b334a45a8ff 347 /* Clear the FIFO underrun flag */
bogdanm 0:9b334a45a8ff 348 __HAL_LTDC_CLEAR_FLAG(hltdc, LTDC_FLAG_FU);
bogdanm 0:9b334a45a8ff 349
bogdanm 0:9b334a45a8ff 350 /* Update error code */
bogdanm 0:9b334a45a8ff 351 hltdc->ErrorCode |= HAL_LTDC_ERROR_FU;
bogdanm 0:9b334a45a8ff 352
bogdanm 0:9b334a45a8ff 353 /* Change LTDC state */
bogdanm 0:9b334a45a8ff 354 hltdc->State = HAL_LTDC_STATE_ERROR;
bogdanm 0:9b334a45a8ff 355
bogdanm 0:9b334a45a8ff 356 /* Process unlocked */
bogdanm 0:9b334a45a8ff 357 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 358
bogdanm 0:9b334a45a8ff 359 /* Transfer error Callback */
bogdanm 0:9b334a45a8ff 360 HAL_LTDC_ErrorCallback(hltdc);
bogdanm 0:9b334a45a8ff 361 }
bogdanm 0:9b334a45a8ff 362 }
bogdanm 0:9b334a45a8ff 363 /* Line Interrupt management ************************************************/
bogdanm 0:9b334a45a8ff 364 if(__HAL_LTDC_GET_FLAG(hltdc, LTDC_FLAG_LI) != RESET)
bogdanm 0:9b334a45a8ff 365 {
bogdanm 0:9b334a45a8ff 366 if(__HAL_LTDC_GET_IT_SOURCE(hltdc, LTDC_IT_LI) != RESET)
bogdanm 0:9b334a45a8ff 367 {
bogdanm 0:9b334a45a8ff 368 /* Disable the Line interrupt */
bogdanm 0:9b334a45a8ff 369 __HAL_LTDC_DISABLE_IT(hltdc, LTDC_IT_LI);
bogdanm 0:9b334a45a8ff 370
bogdanm 0:9b334a45a8ff 371 /* Clear the Line interrupt flag */
bogdanm 0:9b334a45a8ff 372 __HAL_LTDC_CLEAR_FLAG(hltdc, LTDC_FLAG_LI);
bogdanm 0:9b334a45a8ff 373
bogdanm 0:9b334a45a8ff 374 /* Change LTDC state */
bogdanm 0:9b334a45a8ff 375 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 376
bogdanm 0:9b334a45a8ff 377 /* Process unlocked */
bogdanm 0:9b334a45a8ff 378 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 379
bogdanm 0:9b334a45a8ff 380 /* Line interrupt Callback */
bogdanm 0:9b334a45a8ff 381 HAL_LTDC_LineEvenCallback(hltdc);
bogdanm 0:9b334a45a8ff 382 }
bogdanm 0:9b334a45a8ff 383 }
bogdanm 0:9b334a45a8ff 384 }
bogdanm 0:9b334a45a8ff 385
bogdanm 0:9b334a45a8ff 386 /**
bogdanm 0:9b334a45a8ff 387 * @brief Error LTDC callback.
bogdanm 0:9b334a45a8ff 388 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 389 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 390 * @retval None
bogdanm 0:9b334a45a8ff 391 */
bogdanm 0:9b334a45a8ff 392 __weak void HAL_LTDC_ErrorCallback(LTDC_HandleTypeDef *hltdc)
bogdanm 0:9b334a45a8ff 393 {
mbed_official 83:a036322b8637 394 /* Prevent unused argument(s) compilation warning */
mbed_official 83:a036322b8637 395 UNUSED(hltdc);
mbed_official 83:a036322b8637 396
bogdanm 0:9b334a45a8ff 397 /* NOTE : This function Should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 398 the HAL_LTDC_ErrorCallback could be implemented in the user file
bogdanm 0:9b334a45a8ff 399 */
bogdanm 0:9b334a45a8ff 400 }
bogdanm 0:9b334a45a8ff 401
bogdanm 0:9b334a45a8ff 402 /**
bogdanm 0:9b334a45a8ff 403 * @brief Line Event callback.
bogdanm 0:9b334a45a8ff 404 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 405 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 406 * @retval None
bogdanm 0:9b334a45a8ff 407 */
bogdanm 0:9b334a45a8ff 408 __weak void HAL_LTDC_LineEvenCallback(LTDC_HandleTypeDef *hltdc)
bogdanm 0:9b334a45a8ff 409 {
mbed_official 83:a036322b8637 410 /* Prevent unused argument(s) compilation warning */
mbed_official 83:a036322b8637 411 UNUSED(hltdc);
mbed_official 83:a036322b8637 412
bogdanm 0:9b334a45a8ff 413 /* NOTE : This function Should not be modified, when the callback is needed,
bogdanm 0:9b334a45a8ff 414 the HAL_LTDC_LineEvenCallback could be implemented in the user file
bogdanm 0:9b334a45a8ff 415 */
bogdanm 0:9b334a45a8ff 416 }
bogdanm 0:9b334a45a8ff 417
bogdanm 0:9b334a45a8ff 418 /**
bogdanm 0:9b334a45a8ff 419 * @}
bogdanm 0:9b334a45a8ff 420 */
bogdanm 0:9b334a45a8ff 421
bogdanm 0:9b334a45a8ff 422 /** @defgroup LTDC_Exported_Functions_Group3 Peripheral Control functions
bogdanm 0:9b334a45a8ff 423 * @brief Peripheral Control functions
bogdanm 0:9b334a45a8ff 424 *
bogdanm 0:9b334a45a8ff 425 @verbatim
bogdanm 0:9b334a45a8ff 426 ===============================================================================
bogdanm 0:9b334a45a8ff 427 ##### Peripheral Control functions #####
bogdanm 0:9b334a45a8ff 428 ===============================================================================
bogdanm 0:9b334a45a8ff 429 [..] This section provides functions allowing to:
bogdanm 0:9b334a45a8ff 430 (+) Configure the LTDC foreground or/and background parameters.
bogdanm 0:9b334a45a8ff 431 (+) Set the active layer.
bogdanm 0:9b334a45a8ff 432 (+) Configure the color keying.
bogdanm 0:9b334a45a8ff 433 (+) Configure the C-LUT.
bogdanm 0:9b334a45a8ff 434 (+) Enable / Disable the color keying.
bogdanm 0:9b334a45a8ff 435 (+) Enable / Disable the C-LUT.
bogdanm 0:9b334a45a8ff 436 (+) Update the layer position.
bogdanm 0:9b334a45a8ff 437 (+) Update the layer size.
bogdanm 0:9b334a45a8ff 438 (+) Update pixel format on the fly.
bogdanm 0:9b334a45a8ff 439 (+) Update transparency on the fly.
bogdanm 0:9b334a45a8ff 440 (+) Update address on the fly.
bogdanm 0:9b334a45a8ff 441
bogdanm 0:9b334a45a8ff 442 @endverbatim
bogdanm 0:9b334a45a8ff 443 * @{
bogdanm 0:9b334a45a8ff 444 */
bogdanm 0:9b334a45a8ff 445
bogdanm 0:9b334a45a8ff 446 /**
bogdanm 0:9b334a45a8ff 447 * @brief Configure the LTDC Layer according to the specified
bogdanm 0:9b334a45a8ff 448 * parameters in the LTDC_InitTypeDef and create the associated handle.
bogdanm 0:9b334a45a8ff 449 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 450 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 451 * @param pLayerCfg: pointer to a LTDC_LayerCfgTypeDef structure that contains
bogdanm 0:9b334a45a8ff 452 * the configuration information for the Layer.
bogdanm 0:9b334a45a8ff 453 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 454 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 455 * 0 or 1
bogdanm 0:9b334a45a8ff 456 * @retval HAL status
bogdanm 0:9b334a45a8ff 457 */
bogdanm 0:9b334a45a8ff 458 HAL_StatusTypeDef HAL_LTDC_ConfigLayer(LTDC_HandleTypeDef *hltdc, LTDC_LayerCfgTypeDef *pLayerCfg, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 459 {
bogdanm 0:9b334a45a8ff 460 /* Process locked */
bogdanm 0:9b334a45a8ff 461 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 462
bogdanm 0:9b334a45a8ff 463 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 464 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 465
bogdanm 0:9b334a45a8ff 466 /* Check the parameters */
bogdanm 0:9b334a45a8ff 467 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 468 assert_param(IS_LTDC_PIXEL_FORMAT(pLayerCfg->PixelFormat));
bogdanm 0:9b334a45a8ff 469 assert_param(IS_LTDC_BLENDING_FACTOR1(pLayerCfg->BlendingFactor1));
bogdanm 0:9b334a45a8ff 470 assert_param(IS_LTDC_BLENDING_FACTOR2(pLayerCfg->BlendingFactor2));
bogdanm 0:9b334a45a8ff 471 assert_param(IS_LTDC_HCONFIGST(pLayerCfg->WindowX0));
bogdanm 0:9b334a45a8ff 472 assert_param(IS_LTDC_HCONFIGSP(pLayerCfg->WindowX1));
bogdanm 0:9b334a45a8ff 473 assert_param(IS_LTDC_VCONFIGST(pLayerCfg->WindowY0));
bogdanm 0:9b334a45a8ff 474 assert_param(IS_LTDC_VCONFIGSP(pLayerCfg->WindowY1));
bogdanm 0:9b334a45a8ff 475 assert_param(IS_LTDC_ALPHA(pLayerCfg->Alpha0));
bogdanm 0:9b334a45a8ff 476 assert_param(IS_LTDC_CFBLL(pLayerCfg->ImageWidth));
bogdanm 0:9b334a45a8ff 477 assert_param(IS_LTDC_CFBLNBR(pLayerCfg->ImageHeight));
bogdanm 0:9b334a45a8ff 478
bogdanm 0:9b334a45a8ff 479 /* Copy new layer configuration into handle structure */
bogdanm 0:9b334a45a8ff 480 hltdc->LayerCfg[LayerIdx] = *pLayerCfg;
bogdanm 0:9b334a45a8ff 481
bogdanm 0:9b334a45a8ff 482 /* Configure the LTDC Layer */
bogdanm 0:9b334a45a8ff 483 LTDC_SetConfig(hltdc, pLayerCfg, LayerIdx);
bogdanm 0:9b334a45a8ff 484
bogdanm 0:9b334a45a8ff 485 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 486 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 487
bogdanm 0:9b334a45a8ff 488 /* Initialize the LTDC state*/
bogdanm 0:9b334a45a8ff 489 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 490
bogdanm 0:9b334a45a8ff 491 /* Process unlocked */
bogdanm 0:9b334a45a8ff 492 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 493
bogdanm 0:9b334a45a8ff 494 return HAL_OK;
bogdanm 0:9b334a45a8ff 495 }
bogdanm 0:9b334a45a8ff 496
bogdanm 0:9b334a45a8ff 497 /**
bogdanm 0:9b334a45a8ff 498 * @brief Configure the color keying.
bogdanm 0:9b334a45a8ff 499 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 500 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 501 * @param RGBValue: the color key value
bogdanm 0:9b334a45a8ff 502 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 503 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 504 * 0 or 1
bogdanm 0:9b334a45a8ff 505 * @retval HAL status
bogdanm 0:9b334a45a8ff 506 */
bogdanm 0:9b334a45a8ff 507 HAL_StatusTypeDef HAL_LTDC_ConfigColorKeying(LTDC_HandleTypeDef *hltdc, uint32_t RGBValue, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 508 {
bogdanm 0:9b334a45a8ff 509 /* Process locked */
bogdanm 0:9b334a45a8ff 510 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 511
bogdanm 0:9b334a45a8ff 512 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 513 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 514
bogdanm 0:9b334a45a8ff 515 /* Check the parameters */
bogdanm 0:9b334a45a8ff 516 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 517
bogdanm 0:9b334a45a8ff 518 /* Configures the default color values */
bogdanm 0:9b334a45a8ff 519 LTDC_LAYER(hltdc, LayerIdx)->CKCR &= ~(LTDC_LxCKCR_CKBLUE | LTDC_LxCKCR_CKGREEN | LTDC_LxCKCR_CKRED);
bogdanm 0:9b334a45a8ff 520 LTDC_LAYER(hltdc, LayerIdx)->CKCR = RGBValue;
bogdanm 0:9b334a45a8ff 521
bogdanm 0:9b334a45a8ff 522 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 523 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 524
bogdanm 0:9b334a45a8ff 525 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 526 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 527
bogdanm 0:9b334a45a8ff 528 /* Process unlocked */
bogdanm 0:9b334a45a8ff 529 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 530
bogdanm 0:9b334a45a8ff 531 return HAL_OK;
bogdanm 0:9b334a45a8ff 532 }
bogdanm 0:9b334a45a8ff 533
bogdanm 0:9b334a45a8ff 534 /**
bogdanm 0:9b334a45a8ff 535 * @brief Load the color lookup table.
bogdanm 0:9b334a45a8ff 536 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 537 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 538 * @param pCLUT: pointer to the color lookup table address.
bogdanm 0:9b334a45a8ff 539 * @param CLUTSize: the color lookup table size.
bogdanm 0:9b334a45a8ff 540 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 541 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 542 * 0 or 1
bogdanm 0:9b334a45a8ff 543 * @retval HAL status
bogdanm 0:9b334a45a8ff 544 */
bogdanm 0:9b334a45a8ff 545 HAL_StatusTypeDef HAL_LTDC_ConfigCLUT(LTDC_HandleTypeDef *hltdc, uint32_t *pCLUT, uint32_t CLUTSize, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 546 {
bogdanm 0:9b334a45a8ff 547 uint32_t tmp = 0;
bogdanm 0:9b334a45a8ff 548 uint32_t counter = 0;
bogdanm 0:9b334a45a8ff 549 uint32_t pcounter = 0;
bogdanm 0:9b334a45a8ff 550
bogdanm 0:9b334a45a8ff 551 /* Process locked */
bogdanm 0:9b334a45a8ff 552 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 553
bogdanm 0:9b334a45a8ff 554 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 555 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 556
bogdanm 0:9b334a45a8ff 557 /* Check the parameters */
bogdanm 0:9b334a45a8ff 558 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 559
bogdanm 0:9b334a45a8ff 560 for(counter = 0; (counter < CLUTSize); counter++)
bogdanm 0:9b334a45a8ff 561 {
bogdanm 0:9b334a45a8ff 562 if(hltdc->LayerCfg[LayerIdx].PixelFormat == LTDC_PIXEL_FORMAT_AL44)
bogdanm 0:9b334a45a8ff 563 {
bogdanm 0:9b334a45a8ff 564 tmp = (((counter + 16*counter) << 24) | ((uint32_t)(*pCLUT) & 0xFF) | ((uint32_t)(*pCLUT) & 0xFF00) | ((uint32_t)(*pCLUT) & 0xFF0000));
bogdanm 0:9b334a45a8ff 565 }
bogdanm 0:9b334a45a8ff 566 else
bogdanm 0:9b334a45a8ff 567 {
bogdanm 0:9b334a45a8ff 568 tmp = ((counter << 24) | ((uint32_t)(*pCLUT) & 0xFF) | ((uint32_t)(*pCLUT) & 0xFF00) | ((uint32_t)(*pCLUT) & 0xFF0000));
bogdanm 0:9b334a45a8ff 569 }
bogdanm 0:9b334a45a8ff 570 pcounter = (uint32_t)pCLUT + sizeof(*pCLUT);
bogdanm 0:9b334a45a8ff 571 pCLUT = (uint32_t *)pcounter;
bogdanm 0:9b334a45a8ff 572
bogdanm 0:9b334a45a8ff 573 /* Specifies the C-LUT address and RGB value */
bogdanm 0:9b334a45a8ff 574 LTDC_LAYER(hltdc, LayerIdx)->CLUTWR = tmp;
bogdanm 0:9b334a45a8ff 575 }
bogdanm 0:9b334a45a8ff 576
bogdanm 0:9b334a45a8ff 577 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 578 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 579
bogdanm 0:9b334a45a8ff 580 /* Process unlocked */
bogdanm 0:9b334a45a8ff 581 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 582
bogdanm 0:9b334a45a8ff 583 return HAL_OK;
bogdanm 0:9b334a45a8ff 584 }
bogdanm 0:9b334a45a8ff 585
bogdanm 0:9b334a45a8ff 586 /**
bogdanm 0:9b334a45a8ff 587 * @brief Enable the color keying.
bogdanm 0:9b334a45a8ff 588 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 589 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 590 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 591 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 592 * 0 or 1
bogdanm 0:9b334a45a8ff 593 * @retval HAL status
bogdanm 0:9b334a45a8ff 594 */
bogdanm 0:9b334a45a8ff 595 HAL_StatusTypeDef HAL_LTDC_EnableColorKeying(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 596 {
bogdanm 0:9b334a45a8ff 597 /* Process locked */
bogdanm 0:9b334a45a8ff 598 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 599
bogdanm 0:9b334a45a8ff 600 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 601 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 602
bogdanm 0:9b334a45a8ff 603 /* Check the parameters */
bogdanm 0:9b334a45a8ff 604 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 605
bogdanm 0:9b334a45a8ff 606 /* Enable LTDC color keying by setting COLKEN bit */
bogdanm 0:9b334a45a8ff 607 LTDC_LAYER(hltdc, LayerIdx)->CR |= (uint32_t)LTDC_LxCR_COLKEN;
bogdanm 0:9b334a45a8ff 608
bogdanm 0:9b334a45a8ff 609 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 610 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 611
bogdanm 0:9b334a45a8ff 612 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 613 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 614
bogdanm 0:9b334a45a8ff 615 /* Process unlocked */
bogdanm 0:9b334a45a8ff 616 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 617
bogdanm 0:9b334a45a8ff 618 return HAL_OK;
bogdanm 0:9b334a45a8ff 619 }
bogdanm 0:9b334a45a8ff 620
bogdanm 0:9b334a45a8ff 621 /**
bogdanm 0:9b334a45a8ff 622 * @brief Disable the color keying.
bogdanm 0:9b334a45a8ff 623 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 624 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 625 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 626 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 627 * 0 or 1
bogdanm 0:9b334a45a8ff 628 * @retval HAL status
bogdanm 0:9b334a45a8ff 629 */
bogdanm 0:9b334a45a8ff 630 HAL_StatusTypeDef HAL_LTDC_DisableColorKeying(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 631 {
bogdanm 0:9b334a45a8ff 632 /* Process locked */
bogdanm 0:9b334a45a8ff 633 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 634
bogdanm 0:9b334a45a8ff 635 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 636 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 637
bogdanm 0:9b334a45a8ff 638 /* Check the parameters */
bogdanm 0:9b334a45a8ff 639 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 640
bogdanm 0:9b334a45a8ff 641 /* Disable LTDC color keying by setting COLKEN bit */
bogdanm 0:9b334a45a8ff 642 LTDC_LAYER(hltdc, LayerIdx)->CR &= ~(uint32_t)LTDC_LxCR_COLKEN;
bogdanm 0:9b334a45a8ff 643
bogdanm 0:9b334a45a8ff 644 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 645 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 646
bogdanm 0:9b334a45a8ff 647 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 648 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 649
bogdanm 0:9b334a45a8ff 650 /* Process unlocked */
bogdanm 0:9b334a45a8ff 651 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 652
bogdanm 0:9b334a45a8ff 653 return HAL_OK;
bogdanm 0:9b334a45a8ff 654 }
bogdanm 0:9b334a45a8ff 655
bogdanm 0:9b334a45a8ff 656 /**
bogdanm 0:9b334a45a8ff 657 * @brief Enable the color lookup table.
bogdanm 0:9b334a45a8ff 658 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 659 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 660 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 661 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 662 * 0 or 1
bogdanm 0:9b334a45a8ff 663 * @retval HAL status
bogdanm 0:9b334a45a8ff 664 */
bogdanm 0:9b334a45a8ff 665 HAL_StatusTypeDef HAL_LTDC_EnableCLUT(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 666 {
bogdanm 0:9b334a45a8ff 667
bogdanm 0:9b334a45a8ff 668 /* Process locked */
bogdanm 0:9b334a45a8ff 669 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 670
bogdanm 0:9b334a45a8ff 671 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 672 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 673
bogdanm 0:9b334a45a8ff 674 /* Check the parameters */
bogdanm 0:9b334a45a8ff 675 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 676
bogdanm 0:9b334a45a8ff 677 /* Disable LTDC color lookup table by setting CLUTEN bit */
bogdanm 0:9b334a45a8ff 678 LTDC_LAYER(hltdc, LayerIdx)->CR |= (uint32_t)LTDC_LxCR_CLUTEN;
bogdanm 0:9b334a45a8ff 679
bogdanm 0:9b334a45a8ff 680 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 681 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 682
bogdanm 0:9b334a45a8ff 683 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 684 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 685
bogdanm 0:9b334a45a8ff 686 /* Process unlocked */
bogdanm 0:9b334a45a8ff 687 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 688
bogdanm 0:9b334a45a8ff 689 return HAL_OK;
bogdanm 0:9b334a45a8ff 690 }
bogdanm 0:9b334a45a8ff 691
bogdanm 0:9b334a45a8ff 692 /**
bogdanm 0:9b334a45a8ff 693 * @brief Disable the color lookup table.
bogdanm 0:9b334a45a8ff 694 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 695 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 696 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 697 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 698 * 0 or 1
bogdanm 0:9b334a45a8ff 699 * @retval HAL status
bogdanm 0:9b334a45a8ff 700 */
bogdanm 0:9b334a45a8ff 701 HAL_StatusTypeDef HAL_LTDC_DisableCLUT(LTDC_HandleTypeDef *hltdc, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 702 {
bogdanm 0:9b334a45a8ff 703
bogdanm 0:9b334a45a8ff 704 /* Process locked */
bogdanm 0:9b334a45a8ff 705 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 706
bogdanm 0:9b334a45a8ff 707 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 708 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 709
bogdanm 0:9b334a45a8ff 710 /* Check the parameters */
bogdanm 0:9b334a45a8ff 711 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 712
bogdanm 0:9b334a45a8ff 713 /* Disable LTDC color lookup table by setting CLUTEN bit */
bogdanm 0:9b334a45a8ff 714 LTDC_LAYER(hltdc, LayerIdx)->CR &= ~(uint32_t)LTDC_LxCR_CLUTEN;
bogdanm 0:9b334a45a8ff 715
bogdanm 0:9b334a45a8ff 716 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 717 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 718
bogdanm 0:9b334a45a8ff 719 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 720 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 721
bogdanm 0:9b334a45a8ff 722 /* Process unlocked */
bogdanm 0:9b334a45a8ff 723 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 724
bogdanm 0:9b334a45a8ff 725 return HAL_OK;
bogdanm 0:9b334a45a8ff 726 }
bogdanm 0:9b334a45a8ff 727
bogdanm 0:9b334a45a8ff 728 /**
bogdanm 0:9b334a45a8ff 729 * @brief Enables Dither.
bogdanm 0:9b334a45a8ff 730 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 731 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 732 * @retval HAL status
bogdanm 0:9b334a45a8ff 733 */
bogdanm 0:9b334a45a8ff 734
bogdanm 0:9b334a45a8ff 735 HAL_StatusTypeDef HAL_LTDC_EnableDither(LTDC_HandleTypeDef *hltdc)
bogdanm 0:9b334a45a8ff 736 {
bogdanm 0:9b334a45a8ff 737 /* Process locked */
bogdanm 0:9b334a45a8ff 738 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 739
bogdanm 0:9b334a45a8ff 740 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 741 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 742
bogdanm 0:9b334a45a8ff 743 /* Enable Dither by setting DTEN bit */
bogdanm 0:9b334a45a8ff 744 LTDC->GCR |= (uint32_t)LTDC_GCR_DTEN;
bogdanm 0:9b334a45a8ff 745
bogdanm 0:9b334a45a8ff 746 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 747 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 748
bogdanm 0:9b334a45a8ff 749 /* Process unlocked */
bogdanm 0:9b334a45a8ff 750 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 751
bogdanm 0:9b334a45a8ff 752 return HAL_OK;
bogdanm 0:9b334a45a8ff 753 }
bogdanm 0:9b334a45a8ff 754
bogdanm 0:9b334a45a8ff 755 /**
bogdanm 0:9b334a45a8ff 756 * @brief Disables Dither.
bogdanm 0:9b334a45a8ff 757 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 758 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 759 * @retval HAL status
bogdanm 0:9b334a45a8ff 760 */
bogdanm 0:9b334a45a8ff 761
bogdanm 0:9b334a45a8ff 762 HAL_StatusTypeDef HAL_LTDC_DisableDither(LTDC_HandleTypeDef *hltdc)
bogdanm 0:9b334a45a8ff 763 {
bogdanm 0:9b334a45a8ff 764 /* Process locked */
bogdanm 0:9b334a45a8ff 765 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 766
bogdanm 0:9b334a45a8ff 767 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 768 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 769
bogdanm 0:9b334a45a8ff 770 /* Disable Dither by setting DTEN bit */
bogdanm 0:9b334a45a8ff 771 LTDC->GCR &= ~(uint32_t)LTDC_GCR_DTEN;
bogdanm 0:9b334a45a8ff 772
bogdanm 0:9b334a45a8ff 773 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 774 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 775
bogdanm 0:9b334a45a8ff 776 /* Process unlocked */
bogdanm 0:9b334a45a8ff 777 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 778
bogdanm 0:9b334a45a8ff 779 return HAL_OK;
bogdanm 0:9b334a45a8ff 780 }
bogdanm 0:9b334a45a8ff 781
bogdanm 0:9b334a45a8ff 782 /**
bogdanm 0:9b334a45a8ff 783 * @brief Set the LTDC window size.
bogdanm 0:9b334a45a8ff 784 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 785 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 786 * @param XSize: LTDC Pixel per line
bogdanm 0:9b334a45a8ff 787 * @param YSize: LTDC Line number
bogdanm 0:9b334a45a8ff 788 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 789 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 790 * 0 or 1
bogdanm 0:9b334a45a8ff 791 * @retval HAL status
bogdanm 0:9b334a45a8ff 792 */
bogdanm 0:9b334a45a8ff 793 HAL_StatusTypeDef HAL_LTDC_SetWindowSize(LTDC_HandleTypeDef *hltdc, uint32_t XSize, uint32_t YSize, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 794 {
bogdanm 0:9b334a45a8ff 795 LTDC_LayerCfgTypeDef *pLayerCfg;
bogdanm 0:9b334a45a8ff 796
bogdanm 0:9b334a45a8ff 797 /* Process locked */
bogdanm 0:9b334a45a8ff 798 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 799
bogdanm 0:9b334a45a8ff 800 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 801 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 802
bogdanm 0:9b334a45a8ff 803 /* Get layer configuration from handle structure */
bogdanm 0:9b334a45a8ff 804 pLayerCfg = &hltdc->LayerCfg[LayerIdx];
bogdanm 0:9b334a45a8ff 805
bogdanm 0:9b334a45a8ff 806 /* Check the parameters (Layers parameters)*/
bogdanm 0:9b334a45a8ff 807 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 808 assert_param(IS_LTDC_HCONFIGST(pLayerCfg->WindowX0));
bogdanm 0:9b334a45a8ff 809 assert_param(IS_LTDC_HCONFIGSP(pLayerCfg->WindowX1));
bogdanm 0:9b334a45a8ff 810 assert_param(IS_LTDC_VCONFIGST(pLayerCfg->WindowY0));
bogdanm 0:9b334a45a8ff 811 assert_param(IS_LTDC_VCONFIGSP(pLayerCfg->WindowY1));
bogdanm 0:9b334a45a8ff 812 assert_param(IS_LTDC_CFBLL(XSize));
bogdanm 0:9b334a45a8ff 813 assert_param(IS_LTDC_CFBLNBR(YSize));
bogdanm 0:9b334a45a8ff 814
bogdanm 0:9b334a45a8ff 815 /* update horizontal start/stop */
bogdanm 0:9b334a45a8ff 816 pLayerCfg->WindowX0 = 0;
bogdanm 0:9b334a45a8ff 817 pLayerCfg->WindowX1 = XSize + pLayerCfg->WindowX0;
bogdanm 0:9b334a45a8ff 818
bogdanm 0:9b334a45a8ff 819 /* update vertical start/stop */
bogdanm 0:9b334a45a8ff 820 pLayerCfg->WindowY0 = 0;
bogdanm 0:9b334a45a8ff 821 pLayerCfg->WindowY1 = YSize + pLayerCfg->WindowY0;
bogdanm 0:9b334a45a8ff 822
bogdanm 0:9b334a45a8ff 823 /* Reconfigures the color frame buffer pitch in byte */
bogdanm 0:9b334a45a8ff 824 pLayerCfg->ImageWidth = XSize;
bogdanm 0:9b334a45a8ff 825
bogdanm 0:9b334a45a8ff 826 /* Reconfigures the frame buffer line number */
bogdanm 0:9b334a45a8ff 827 pLayerCfg->ImageHeight = YSize;
bogdanm 0:9b334a45a8ff 828
bogdanm 0:9b334a45a8ff 829 /* Set LTDC parameters */
bogdanm 0:9b334a45a8ff 830 LTDC_SetConfig(hltdc, pLayerCfg, LayerIdx);
bogdanm 0:9b334a45a8ff 831
bogdanm 0:9b334a45a8ff 832 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 833 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 834
bogdanm 0:9b334a45a8ff 835 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 836 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 837
bogdanm 0:9b334a45a8ff 838 /* Process unlocked */
bogdanm 0:9b334a45a8ff 839 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 840
bogdanm 0:9b334a45a8ff 841 return HAL_OK;
bogdanm 0:9b334a45a8ff 842 }
bogdanm 0:9b334a45a8ff 843
bogdanm 0:9b334a45a8ff 844 /**
bogdanm 0:9b334a45a8ff 845 * @brief Set the LTDC window position.
bogdanm 0:9b334a45a8ff 846 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 847 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 848 * @param X0: LTDC window X offset
bogdanm 0:9b334a45a8ff 849 * @param Y0: LTDC window Y offset
bogdanm 0:9b334a45a8ff 850 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 851 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 852 * 0 or 1
bogdanm 0:9b334a45a8ff 853 * @retval HAL status
bogdanm 0:9b334a45a8ff 854 */
bogdanm 0:9b334a45a8ff 855 HAL_StatusTypeDef HAL_LTDC_SetWindowPosition(LTDC_HandleTypeDef *hltdc, uint32_t X0, uint32_t Y0, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 856 {
bogdanm 0:9b334a45a8ff 857 LTDC_LayerCfgTypeDef *pLayerCfg;
bogdanm 0:9b334a45a8ff 858
bogdanm 0:9b334a45a8ff 859 /* Process locked */
bogdanm 0:9b334a45a8ff 860 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 861
bogdanm 0:9b334a45a8ff 862 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 863 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 864
bogdanm 0:9b334a45a8ff 865 /* Get layer configuration from handle structure */
bogdanm 0:9b334a45a8ff 866 pLayerCfg = &hltdc->LayerCfg[LayerIdx];
bogdanm 0:9b334a45a8ff 867
bogdanm 0:9b334a45a8ff 868 /* Check the parameters */
bogdanm 0:9b334a45a8ff 869 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 870 assert_param(IS_LTDC_HCONFIGST(pLayerCfg->WindowX0));
bogdanm 0:9b334a45a8ff 871 assert_param(IS_LTDC_HCONFIGSP(pLayerCfg->WindowX1));
bogdanm 0:9b334a45a8ff 872 assert_param(IS_LTDC_VCONFIGST(pLayerCfg->WindowY0));
bogdanm 0:9b334a45a8ff 873 assert_param(IS_LTDC_VCONFIGSP(pLayerCfg->WindowY1));
bogdanm 0:9b334a45a8ff 874
bogdanm 0:9b334a45a8ff 875 /* update horizontal start/stop */
bogdanm 0:9b334a45a8ff 876 pLayerCfg->WindowX0 = X0;
bogdanm 0:9b334a45a8ff 877 pLayerCfg->WindowX1 = X0 + pLayerCfg->ImageWidth;
bogdanm 0:9b334a45a8ff 878
bogdanm 0:9b334a45a8ff 879 /* update vertical start/stop */
bogdanm 0:9b334a45a8ff 880 pLayerCfg->WindowY0 = Y0;
bogdanm 0:9b334a45a8ff 881 pLayerCfg->WindowY1 = Y0 + pLayerCfg->ImageHeight;
bogdanm 0:9b334a45a8ff 882
bogdanm 0:9b334a45a8ff 883 /* Set LTDC parameters */
bogdanm 0:9b334a45a8ff 884 LTDC_SetConfig(hltdc, pLayerCfg, LayerIdx);
bogdanm 0:9b334a45a8ff 885
bogdanm 0:9b334a45a8ff 886 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 887 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 888
bogdanm 0:9b334a45a8ff 889 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 890 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 891
bogdanm 0:9b334a45a8ff 892 /* Process unlocked */
bogdanm 0:9b334a45a8ff 893 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 894
bogdanm 0:9b334a45a8ff 895 return HAL_OK;
bogdanm 0:9b334a45a8ff 896 }
bogdanm 0:9b334a45a8ff 897
bogdanm 0:9b334a45a8ff 898 /**
bogdanm 0:9b334a45a8ff 899 * @brief Reconfigure the pixel format.
bogdanm 0:9b334a45a8ff 900 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 901 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 902 * @param Pixelformat: new pixel format value.
bogdanm 0:9b334a45a8ff 903 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 904 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 905 * 0 or 1.
bogdanm 0:9b334a45a8ff 906 * @retval HAL status
bogdanm 0:9b334a45a8ff 907 */
bogdanm 0:9b334a45a8ff 908 HAL_StatusTypeDef HAL_LTDC_SetPixelFormat(LTDC_HandleTypeDef *hltdc, uint32_t Pixelformat, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 909 {
bogdanm 0:9b334a45a8ff 910 LTDC_LayerCfgTypeDef *pLayerCfg;
bogdanm 0:9b334a45a8ff 911
bogdanm 0:9b334a45a8ff 912 /* Process locked */
bogdanm 0:9b334a45a8ff 913 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 914
bogdanm 0:9b334a45a8ff 915 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 916 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 917
bogdanm 0:9b334a45a8ff 918 /* Check the parameters */
bogdanm 0:9b334a45a8ff 919 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 920 assert_param(IS_LTDC_PIXEL_FORMAT(Pixelformat));
bogdanm 0:9b334a45a8ff 921
bogdanm 0:9b334a45a8ff 922 /* Get layer configuration from handle structure */
bogdanm 0:9b334a45a8ff 923 pLayerCfg = &hltdc->LayerCfg[LayerIdx];
bogdanm 0:9b334a45a8ff 924
bogdanm 0:9b334a45a8ff 925 /* Reconfigure the pixel format */
bogdanm 0:9b334a45a8ff 926 pLayerCfg->PixelFormat = Pixelformat;
bogdanm 0:9b334a45a8ff 927
bogdanm 0:9b334a45a8ff 928 /* Set LTDC parameters */
bogdanm 0:9b334a45a8ff 929 LTDC_SetConfig(hltdc, pLayerCfg, LayerIdx);
bogdanm 0:9b334a45a8ff 930
bogdanm 0:9b334a45a8ff 931 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 932 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 933
bogdanm 0:9b334a45a8ff 934 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 935 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 936
bogdanm 0:9b334a45a8ff 937 /* Process unlocked */
bogdanm 0:9b334a45a8ff 938 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 939
bogdanm 0:9b334a45a8ff 940 return HAL_OK;
bogdanm 0:9b334a45a8ff 941 }
bogdanm 0:9b334a45a8ff 942
bogdanm 0:9b334a45a8ff 943 /**
bogdanm 0:9b334a45a8ff 944 * @brief Reconfigure the layer alpha value.
bogdanm 0:9b334a45a8ff 945 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 946 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 947 * @param Alpha: new alpha value.
bogdanm 0:9b334a45a8ff 948 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 949 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 950 * 0 or 1
bogdanm 0:9b334a45a8ff 951 * @retval HAL status
bogdanm 0:9b334a45a8ff 952 */
bogdanm 0:9b334a45a8ff 953 HAL_StatusTypeDef HAL_LTDC_SetAlpha(LTDC_HandleTypeDef *hltdc, uint32_t Alpha, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 954 {
bogdanm 0:9b334a45a8ff 955 LTDC_LayerCfgTypeDef *pLayerCfg;
bogdanm 0:9b334a45a8ff 956
bogdanm 0:9b334a45a8ff 957 /* Process locked */
bogdanm 0:9b334a45a8ff 958 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 959
bogdanm 0:9b334a45a8ff 960 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 961 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 962
bogdanm 0:9b334a45a8ff 963 /* Check the parameters */
bogdanm 0:9b334a45a8ff 964 assert_param(IS_LTDC_ALPHA(Alpha));
bogdanm 0:9b334a45a8ff 965 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 966
bogdanm 0:9b334a45a8ff 967 /* Get layer configuration from handle structure */
bogdanm 0:9b334a45a8ff 968 pLayerCfg = &hltdc->LayerCfg[LayerIdx];
bogdanm 0:9b334a45a8ff 969
bogdanm 0:9b334a45a8ff 970 /* Reconfigure the Alpha value */
bogdanm 0:9b334a45a8ff 971 pLayerCfg->Alpha = Alpha;
bogdanm 0:9b334a45a8ff 972
bogdanm 0:9b334a45a8ff 973 /* Set LTDC parameters */
bogdanm 0:9b334a45a8ff 974 LTDC_SetConfig(hltdc, pLayerCfg, LayerIdx);
bogdanm 0:9b334a45a8ff 975
bogdanm 0:9b334a45a8ff 976 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 977 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 978
bogdanm 0:9b334a45a8ff 979 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 980 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 981
bogdanm 0:9b334a45a8ff 982 /* Process unlocked */
bogdanm 0:9b334a45a8ff 983 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 984
bogdanm 0:9b334a45a8ff 985 return HAL_OK;
bogdanm 0:9b334a45a8ff 986 }
bogdanm 0:9b334a45a8ff 987 /**
bogdanm 0:9b334a45a8ff 988 * @brief Reconfigure the frame buffer Address.
bogdanm 0:9b334a45a8ff 989 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 990 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 991 * @param Address: new address value.
bogdanm 0:9b334a45a8ff 992 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 993 * This parameter can be one of the following values:
bogdanm 0:9b334a45a8ff 994 * 0 or 1.
bogdanm 0:9b334a45a8ff 995 * @retval HAL status
bogdanm 0:9b334a45a8ff 996 */
bogdanm 0:9b334a45a8ff 997 HAL_StatusTypeDef HAL_LTDC_SetAddress(LTDC_HandleTypeDef *hltdc, uint32_t Address, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 998 {
bogdanm 0:9b334a45a8ff 999 LTDC_LayerCfgTypeDef *pLayerCfg;
bogdanm 0:9b334a45a8ff 1000
bogdanm 0:9b334a45a8ff 1001 /* Process locked */
bogdanm 0:9b334a45a8ff 1002 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 1003
bogdanm 0:9b334a45a8ff 1004 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 1005 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 1006
bogdanm 0:9b334a45a8ff 1007 /* Check the parameters */
bogdanm 0:9b334a45a8ff 1008 assert_param(IS_LTDC_LAYER(LayerIdx));
bogdanm 0:9b334a45a8ff 1009
bogdanm 0:9b334a45a8ff 1010 /* Get layer configuration from handle structure */
bogdanm 0:9b334a45a8ff 1011 pLayerCfg = &hltdc->LayerCfg[LayerIdx];
bogdanm 0:9b334a45a8ff 1012
bogdanm 0:9b334a45a8ff 1013 /* Reconfigure the Address */
bogdanm 0:9b334a45a8ff 1014 pLayerCfg->FBStartAdress = Address;
bogdanm 0:9b334a45a8ff 1015
bogdanm 0:9b334a45a8ff 1016 /* Set LTDC parameters */
bogdanm 0:9b334a45a8ff 1017 LTDC_SetConfig(hltdc, pLayerCfg, LayerIdx);
bogdanm 0:9b334a45a8ff 1018
bogdanm 0:9b334a45a8ff 1019 /* Sets the Reload type */
bogdanm 0:9b334a45a8ff 1020 hltdc->Instance->SRCR = LTDC_SRCR_IMR;
bogdanm 0:9b334a45a8ff 1021
bogdanm 0:9b334a45a8ff 1022 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 1023 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 1024
bogdanm 0:9b334a45a8ff 1025 /* Process unlocked */
bogdanm 0:9b334a45a8ff 1026 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 1027
bogdanm 0:9b334a45a8ff 1028 return HAL_OK;
bogdanm 0:9b334a45a8ff 1029 }
bogdanm 0:9b334a45a8ff 1030
bogdanm 0:9b334a45a8ff 1031 /**
bogdanm 0:9b334a45a8ff 1032 * @brief Define the position of the line interrupt .
bogdanm 0:9b334a45a8ff 1033 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 1034 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 1035 * @param Line: Line Interrupt Position.
bogdanm 0:9b334a45a8ff 1036 * @retval HAL status
bogdanm 0:9b334a45a8ff 1037 */
bogdanm 0:9b334a45a8ff 1038 HAL_StatusTypeDef HAL_LTDC_ProgramLineEvent(LTDC_HandleTypeDef *hltdc, uint32_t Line)
bogdanm 0:9b334a45a8ff 1039 {
bogdanm 0:9b334a45a8ff 1040 /* Process locked */
bogdanm 0:9b334a45a8ff 1041 __HAL_LOCK(hltdc);
bogdanm 0:9b334a45a8ff 1042
bogdanm 0:9b334a45a8ff 1043 /* Change LTDC peripheral state */
bogdanm 0:9b334a45a8ff 1044 hltdc->State = HAL_LTDC_STATE_BUSY;
bogdanm 0:9b334a45a8ff 1045
bogdanm 0:9b334a45a8ff 1046 /* Check the parameters */
bogdanm 0:9b334a45a8ff 1047 assert_param(IS_LTDC_LIPOS(Line));
bogdanm 0:9b334a45a8ff 1048
bogdanm 0:9b334a45a8ff 1049 /* Enable the Line interrupt */
bogdanm 0:9b334a45a8ff 1050 __HAL_LTDC_ENABLE_IT(hltdc, LTDC_IT_LI);
bogdanm 0:9b334a45a8ff 1051
bogdanm 0:9b334a45a8ff 1052 /* Sets the Line Interrupt position */
bogdanm 0:9b334a45a8ff 1053 LTDC->LIPCR = (uint32_t)Line;
bogdanm 0:9b334a45a8ff 1054
bogdanm 0:9b334a45a8ff 1055 /* Change the LTDC state*/
bogdanm 0:9b334a45a8ff 1056 hltdc->State = HAL_LTDC_STATE_READY;
bogdanm 0:9b334a45a8ff 1057
bogdanm 0:9b334a45a8ff 1058 /* Process unlocked */
bogdanm 0:9b334a45a8ff 1059 __HAL_UNLOCK(hltdc);
bogdanm 0:9b334a45a8ff 1060
bogdanm 0:9b334a45a8ff 1061 return HAL_OK;
bogdanm 0:9b334a45a8ff 1062 }
bogdanm 0:9b334a45a8ff 1063
bogdanm 0:9b334a45a8ff 1064 /**
bogdanm 0:9b334a45a8ff 1065 * @}
bogdanm 0:9b334a45a8ff 1066 */
bogdanm 0:9b334a45a8ff 1067
bogdanm 0:9b334a45a8ff 1068 /** @defgroup LTDC_Exported_Functions_Group4 Peripheral State and Errors functions
bogdanm 0:9b334a45a8ff 1069 * @brief Peripheral State and Errors functions
bogdanm 0:9b334a45a8ff 1070 *
bogdanm 0:9b334a45a8ff 1071 @verbatim
bogdanm 0:9b334a45a8ff 1072 ===============================================================================
bogdanm 0:9b334a45a8ff 1073 ##### Peripheral State and Errors functions #####
bogdanm 0:9b334a45a8ff 1074 ===============================================================================
bogdanm 0:9b334a45a8ff 1075 [..]
bogdanm 0:9b334a45a8ff 1076 This subsection provides functions allowing to
bogdanm 0:9b334a45a8ff 1077 (+) Check the LTDC state.
bogdanm 0:9b334a45a8ff 1078 (+) Get error code.
bogdanm 0:9b334a45a8ff 1079
bogdanm 0:9b334a45a8ff 1080 @endverbatim
bogdanm 0:9b334a45a8ff 1081 * @{
bogdanm 0:9b334a45a8ff 1082 */
bogdanm 0:9b334a45a8ff 1083
bogdanm 0:9b334a45a8ff 1084 /**
bogdanm 0:9b334a45a8ff 1085 * @brief Return the LTDC state
bogdanm 0:9b334a45a8ff 1086 * @param hltdc: pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 1087 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 1088 * @retval HAL state
bogdanm 0:9b334a45a8ff 1089 */
bogdanm 0:9b334a45a8ff 1090 HAL_LTDC_StateTypeDef HAL_LTDC_GetState(LTDC_HandleTypeDef *hltdc)
bogdanm 0:9b334a45a8ff 1091 {
bogdanm 0:9b334a45a8ff 1092 return hltdc->State;
bogdanm 0:9b334a45a8ff 1093 }
bogdanm 0:9b334a45a8ff 1094
bogdanm 0:9b334a45a8ff 1095 /**
bogdanm 0:9b334a45a8ff 1096 * @brief Return the LTDC error code
bogdanm 0:9b334a45a8ff 1097 * @param hltdc : pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 1098 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 1099 * @retval LTDC Error Code
bogdanm 0:9b334a45a8ff 1100 */
bogdanm 0:9b334a45a8ff 1101 uint32_t HAL_LTDC_GetError(LTDC_HandleTypeDef *hltdc)
bogdanm 0:9b334a45a8ff 1102 {
bogdanm 0:9b334a45a8ff 1103 return hltdc->ErrorCode;
bogdanm 0:9b334a45a8ff 1104 }
bogdanm 0:9b334a45a8ff 1105
bogdanm 0:9b334a45a8ff 1106 /**
bogdanm 0:9b334a45a8ff 1107 * @}
bogdanm 0:9b334a45a8ff 1108 */
bogdanm 0:9b334a45a8ff 1109
bogdanm 0:9b334a45a8ff 1110 /**
bogdanm 0:9b334a45a8ff 1111 * @brief Configures the LTDC peripheral
bogdanm 0:9b334a45a8ff 1112 * @param hltdc : Pointer to a LTDC_HandleTypeDef structure that contains
bogdanm 0:9b334a45a8ff 1113 * the configuration information for the LTDC.
bogdanm 0:9b334a45a8ff 1114 * @param pLayerCfg: Pointer LTDC Layer Configuration structure
bogdanm 0:9b334a45a8ff 1115 * @param LayerIdx: LTDC Layer index.
bogdanm 0:9b334a45a8ff 1116 * This parameter can be one of the following values: 0 or 1
bogdanm 0:9b334a45a8ff 1117 * @retval None
bogdanm 0:9b334a45a8ff 1118 */
bogdanm 0:9b334a45a8ff 1119 static void LTDC_SetConfig(LTDC_HandleTypeDef *hltdc, LTDC_LayerCfgTypeDef *pLayerCfg, uint32_t LayerIdx)
bogdanm 0:9b334a45a8ff 1120 {
bogdanm 0:9b334a45a8ff 1121 uint32_t tmp = 0;
bogdanm 0:9b334a45a8ff 1122 uint32_t tmp1 = 0;
bogdanm 0:9b334a45a8ff 1123 uint32_t tmp2 = 0;
bogdanm 0:9b334a45a8ff 1124
bogdanm 0:9b334a45a8ff 1125 /* Configures the horizontal start and stop position */
bogdanm 0:9b334a45a8ff 1126 tmp = ((pLayerCfg->WindowX1 + ((hltdc->Instance->BPCR & LTDC_BPCR_AHBP) >> 16)) << 16);
bogdanm 0:9b334a45a8ff 1127 LTDC_LAYER(hltdc, LayerIdx)->WHPCR &= ~(LTDC_LxWHPCR_WHSTPOS | LTDC_LxWHPCR_WHSPPOS);
bogdanm 0:9b334a45a8ff 1128 LTDC_LAYER(hltdc, LayerIdx)->WHPCR = ((pLayerCfg->WindowX0 + ((hltdc->Instance->BPCR & LTDC_BPCR_AHBP) >> 16) + 1) | tmp);
bogdanm 0:9b334a45a8ff 1129
bogdanm 0:9b334a45a8ff 1130 /* Configures the vertical start and stop position */
bogdanm 0:9b334a45a8ff 1131 tmp = ((pLayerCfg->WindowY1 + (hltdc->Instance->BPCR & LTDC_BPCR_AVBP)) << 16);
bogdanm 0:9b334a45a8ff 1132 LTDC_LAYER(hltdc, LayerIdx)->WVPCR &= ~(LTDC_LxWVPCR_WVSTPOS | LTDC_LxWVPCR_WVSPPOS);
bogdanm 0:9b334a45a8ff 1133 LTDC_LAYER(hltdc, LayerIdx)->WVPCR = ((pLayerCfg->WindowY0 + (hltdc->Instance->BPCR & LTDC_BPCR_AVBP) + 1) | tmp);
bogdanm 0:9b334a45a8ff 1134
bogdanm 0:9b334a45a8ff 1135 /* Specifies the pixel format */
bogdanm 0:9b334a45a8ff 1136 LTDC_LAYER(hltdc, LayerIdx)->PFCR &= ~(LTDC_LxPFCR_PF);
bogdanm 0:9b334a45a8ff 1137 LTDC_LAYER(hltdc, LayerIdx)->PFCR = (pLayerCfg->PixelFormat);
bogdanm 0:9b334a45a8ff 1138
bogdanm 0:9b334a45a8ff 1139 /* Configures the default color values */
bogdanm 0:9b334a45a8ff 1140 tmp = ((uint32_t)(pLayerCfg->Backcolor.Green) << 8);
bogdanm 0:9b334a45a8ff 1141 tmp1 = ((uint32_t)(pLayerCfg->Backcolor.Red) << 16);
bogdanm 0:9b334a45a8ff 1142 tmp2 = (pLayerCfg->Alpha0 << 24);
bogdanm 0:9b334a45a8ff 1143 LTDC_LAYER(hltdc, LayerIdx)->DCCR &= ~(LTDC_LxDCCR_DCBLUE | LTDC_LxDCCR_DCGREEN | LTDC_LxDCCR_DCRED | LTDC_LxDCCR_DCALPHA);
bogdanm 0:9b334a45a8ff 1144 LTDC_LAYER(hltdc, LayerIdx)->DCCR = (pLayerCfg->Backcolor.Blue | tmp | tmp1 | tmp2);
bogdanm 0:9b334a45a8ff 1145
bogdanm 0:9b334a45a8ff 1146 /* Specifies the constant alpha value */
bogdanm 0:9b334a45a8ff 1147 LTDC_LAYER(hltdc, LayerIdx)->CACR &= ~(LTDC_LxCACR_CONSTA);
bogdanm 0:9b334a45a8ff 1148 LTDC_LAYER(hltdc, LayerIdx)->CACR = (pLayerCfg->Alpha);
bogdanm 0:9b334a45a8ff 1149
bogdanm 0:9b334a45a8ff 1150 /* Specifies the blending factors */
bogdanm 0:9b334a45a8ff 1151 LTDC_LAYER(hltdc, LayerIdx)->BFCR &= ~(LTDC_LxBFCR_BF2 | LTDC_LxBFCR_BF1);
bogdanm 0:9b334a45a8ff 1152 LTDC_LAYER(hltdc, LayerIdx)->BFCR = (pLayerCfg->BlendingFactor1 | pLayerCfg->BlendingFactor2);
bogdanm 0:9b334a45a8ff 1153
bogdanm 0:9b334a45a8ff 1154 /* Configures the color frame buffer start address */
bogdanm 0:9b334a45a8ff 1155 LTDC_LAYER(hltdc, LayerIdx)->CFBAR &= ~(LTDC_LxCFBAR_CFBADD);
bogdanm 0:9b334a45a8ff 1156 LTDC_LAYER(hltdc, LayerIdx)->CFBAR = (pLayerCfg->FBStartAdress);
bogdanm 0:9b334a45a8ff 1157
bogdanm 0:9b334a45a8ff 1158 if(pLayerCfg->PixelFormat == LTDC_PIXEL_FORMAT_ARGB8888)
bogdanm 0:9b334a45a8ff 1159 {
bogdanm 0:9b334a45a8ff 1160 tmp = 4;
bogdanm 0:9b334a45a8ff 1161 }
bogdanm 0:9b334a45a8ff 1162 else if (pLayerCfg->PixelFormat == LTDC_PIXEL_FORMAT_RGB888)
bogdanm 0:9b334a45a8ff 1163 {
bogdanm 0:9b334a45a8ff 1164 tmp = 3;
bogdanm 0:9b334a45a8ff 1165 }
bogdanm 0:9b334a45a8ff 1166 else if((pLayerCfg->PixelFormat == LTDC_PIXEL_FORMAT_ARGB4444) || \
bogdanm 0:9b334a45a8ff 1167 (pLayerCfg->PixelFormat == LTDC_PIXEL_FORMAT_RGB565) || \
bogdanm 0:9b334a45a8ff 1168 (pLayerCfg->PixelFormat == LTDC_PIXEL_FORMAT_ARGB1555) || \
bogdanm 0:9b334a45a8ff 1169 (pLayerCfg->PixelFormat == LTDC_PIXEL_FORMAT_AL88))
bogdanm 0:9b334a45a8ff 1170 {
bogdanm 0:9b334a45a8ff 1171 tmp = 2;
bogdanm 0:9b334a45a8ff 1172 }
bogdanm 0:9b334a45a8ff 1173 else
bogdanm 0:9b334a45a8ff 1174 {
bogdanm 0:9b334a45a8ff 1175 tmp = 1;
bogdanm 0:9b334a45a8ff 1176 }
bogdanm 0:9b334a45a8ff 1177
bogdanm 0:9b334a45a8ff 1178 /* Configures the color frame buffer pitch in byte */
bogdanm 0:9b334a45a8ff 1179 LTDC_LAYER(hltdc, LayerIdx)->CFBLR &= ~(LTDC_LxCFBLR_CFBLL | LTDC_LxCFBLR_CFBP);
bogdanm 0:9b334a45a8ff 1180 LTDC_LAYER(hltdc, LayerIdx)->CFBLR = (((pLayerCfg->ImageWidth * tmp) << 16) | (((pLayerCfg->WindowX1 - pLayerCfg->WindowX0) * tmp) + 3));
bogdanm 0:9b334a45a8ff 1181
bogdanm 0:9b334a45a8ff 1182 /* Configures the frame buffer line number */
bogdanm 0:9b334a45a8ff 1183 LTDC_LAYER(hltdc, LayerIdx)->CFBLNR &= ~(LTDC_LxCFBLNR_CFBLNBR);
bogdanm 0:9b334a45a8ff 1184 LTDC_LAYER(hltdc, LayerIdx)->CFBLNR = (pLayerCfg->ImageHeight);
bogdanm 0:9b334a45a8ff 1185
bogdanm 0:9b334a45a8ff 1186 /* Enable LTDC_Layer by setting LEN bit */
bogdanm 0:9b334a45a8ff 1187 LTDC_LAYER(hltdc, LayerIdx)->CR |= (uint32_t)LTDC_LxCR_LEN;
bogdanm 0:9b334a45a8ff 1188 }
bogdanm 0:9b334a45a8ff 1189
bogdanm 0:9b334a45a8ff 1190 /**
bogdanm 0:9b334a45a8ff 1191 * @}
bogdanm 0:9b334a45a8ff 1192 */
bogdanm 0:9b334a45a8ff 1193
bogdanm 0:9b334a45a8ff 1194 #endif /* HAL_LTDC_MODULE_ENABLED */
bogdanm 0:9b334a45a8ff 1195
bogdanm 0:9b334a45a8ff 1196 /**
bogdanm 0:9b334a45a8ff 1197 * @}
bogdanm 0:9b334a45a8ff 1198 */
mbed_official 83:a036322b8637 1199 #endif /* STM32F746xx || STM32F756xx */
bogdanm 0:9b334a45a8ff 1200
bogdanm 0:9b334a45a8ff 1201 /**
bogdanm 0:9b334a45a8ff 1202 * @}
bogdanm 0:9b334a45a8ff 1203 */
bogdanm 0:9b334a45a8ff 1204
bogdanm 0:9b334a45a8ff 1205 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/