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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file ltdc.c
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* @brief This file provides code for the configuration
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* of the LTDC instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "ltdc.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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LTDC_HandleTypeDef hltdc;
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/* LTDC init function */
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void MX_LTDC_Init(void)
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{
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/* USER CODE BEGIN LTDC_Init 0 */
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/* USER CODE END LTDC_Init 0 */
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LTDC_LayerCfgTypeDef pLayerCfg = {0};
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/* USER CODE BEGIN LTDC_Init 1 */
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/* USER CODE END LTDC_Init 1 */
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hltdc.Instance = LTDC;
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hltdc.Init.HSPolarity = LTDC_HSPOLARITY_AL;
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hltdc.Init.VSPolarity = LTDC_VSPOLARITY_AL;
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hltdc.Init.DEPolarity = LTDC_DEPOLARITY_AL;
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hltdc.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
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hltdc.Init.HorizontalSync = 40;
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hltdc.Init.VerticalSync = 9;
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hltdc.Init.AccumulatedHBP = 53;
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hltdc.Init.AccumulatedVBP = 11;
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hltdc.Init.AccumulatedActiveW = 533;
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hltdc.Init.AccumulatedActiveH = 283;
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hltdc.Init.TotalWidth = 565;
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hltdc.Init.TotalHeigh = 285;
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hltdc.Init.Backcolor.Blue = 0;
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hltdc.Init.Backcolor.Green = 0;
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hltdc.Init.Backcolor.Red = 0;
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if (HAL_LTDC_Init(&hltdc) != HAL_OK)
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{
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Error_Handler();
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}
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pLayerCfg.WindowX0 = 0;
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pLayerCfg.WindowX1 = 480;
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pLayerCfg.WindowY0 = 0;
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pLayerCfg.WindowY1 = 272;
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pLayerCfg.PixelFormat = LTDC_PIXEL_FORMAT_RGB565;
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pLayerCfg.Alpha = 255;
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pLayerCfg.Alpha0 = 0;
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pLayerCfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
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pLayerCfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
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pLayerCfg.FBStartAdress = 0xC0000000;
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pLayerCfg.ImageWidth = 480;
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pLayerCfg.ImageHeight = 272;
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pLayerCfg.Backcolor.Blue = 0;
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pLayerCfg.Backcolor.Green = 0;
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pLayerCfg.Backcolor.Red = 0;
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if (HAL_LTDC_ConfigLayer(&hltdc, &pLayerCfg, 0) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN LTDC_Init 2 */
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/* USER CODE END LTDC_Init 2 */
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}
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void HAL_LTDC_MspInit(LTDC_HandleTypeDef* ltdcHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(ltdcHandle->Instance==LTDC)
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{
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/* USER CODE BEGIN LTDC_MspInit 0 */
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/* USER CODE END LTDC_MspInit 0 */
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/* LTDC clock enable */
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__HAL_RCC_LTDC_CLK_ENABLE();
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__HAL_RCC_GPIOE_CLK_ENABLE();
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__HAL_RCC_GPIOJ_CLK_ENABLE();
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__HAL_RCC_GPIOK_CLK_ENABLE();
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__HAL_RCC_GPIOG_CLK_ENABLE();
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__HAL_RCC_GPIOI_CLK_ENABLE();
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/**LTDC GPIO Configuration
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PE4 ------> LTDC_B0
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PJ13 ------> LTDC_B1
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PK7 ------> LTDC_DE
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PK6 ------> LTDC_B7
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PK5 ------> LTDC_B6
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PG12 ------> LTDC_B4
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PJ14 ------> LTDC_B2
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PI10 ------> LTDC_HSYNC
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PK4 ------> LTDC_B5
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PJ15 ------> LTDC_B3
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PI9 ------> LTDC_VSYNC
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PK1 ------> LTDC_G6
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PK2 ------> LTDC_G7
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PI15 ------> LTDC_R0
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PJ11 ------> LTDC_G4
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PK0 ------> LTDC_G5
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PI14 ------> LTDC_CLK
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PJ8 ------> LTDC_G1
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PJ10 ------> LTDC_G3
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PJ7 ------> LTDC_G0
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PJ9 ------> LTDC_G2
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PJ6 ------> LTDC_R7
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PJ4 ------> LTDC_R5
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PJ5 ------> LTDC_R6
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PJ3 ------> LTDC_R4
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PJ2 ------> LTDC_R3
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PJ0 ------> LTDC_R1
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PJ1 ------> LTDC_R2
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*/
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GPIO_InitStruct.Pin = LCD_B0_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF14_LTDC;
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HAL_GPIO_Init(LCD_B0_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = LCD_B1_Pin|LCD_B2_Pin|LCD_B3_Pin|LCD_G4_Pin
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|LCD_G1_Pin|LCD_G3_Pin|LCD_G0_Pin|LCD_G2_Pin
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|LCD_R7_Pin|LCD_R5_Pin|LCD_R6_Pin|LCD_R4_Pin
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|LCD_R3_Pin|LCD_R1_Pin|LCD_R2_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF14_LTDC;
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HAL_GPIO_Init(GPIOJ, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = LCD_DE_Pin|LCD_B7_Pin|LCD_B6_Pin|LCD_B5_Pin
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|LCD_G6_Pin|LCD_G7_Pin|LCD_G5_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF14_LTDC;
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HAL_GPIO_Init(GPIOK, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = LCD_B4_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF9_LTDC;
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HAL_GPIO_Init(LCD_B4_GPIO_Port, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = LCD_HSYNC_Pin|LCD_VSYNC_Pin|LCD_R0_Pin|LCD_CLK_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF14_LTDC;
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HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
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/* LTDC interrupt Init */
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HAL_NVIC_SetPriority(LTDC_IRQn, 5, 0);
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HAL_NVIC_EnableIRQ(LTDC_IRQn);
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/* USER CODE BEGIN LTDC_MspInit 1 */
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/* USER CODE END LTDC_MspInit 1 */
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}
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}
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void HAL_LTDC_MspDeInit(LTDC_HandleTypeDef* ltdcHandle)
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{
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if(ltdcHandle->Instance==LTDC)
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{
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/* USER CODE BEGIN LTDC_MspDeInit 0 */
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/* USER CODE END LTDC_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_LTDC_CLK_DISABLE();
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/**LTDC GPIO Configuration
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PE4 ------> LTDC_B0
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PJ13 ------> LTDC_B1
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PK7 ------> LTDC_DE
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PK6 ------> LTDC_B7
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PK5 ------> LTDC_B6
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PG12 ------> LTDC_B4
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PJ14 ------> LTDC_B2
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PI10 ------> LTDC_HSYNC
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PK4 ------> LTDC_B5
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PJ15 ------> LTDC_B3
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PI9 ------> LTDC_VSYNC
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PK1 ------> LTDC_G6
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PK2 ------> LTDC_G7
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PI15 ------> LTDC_R0
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PJ11 ------> LTDC_G4
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PK0 ------> LTDC_G5
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PI14 ------> LTDC_CLK
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PJ8 ------> LTDC_G1
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PJ10 ------> LTDC_G3
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PJ7 ------> LTDC_G0
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PJ9 ------> LTDC_G2
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PJ6 ------> LTDC_R7
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PJ4 ------> LTDC_R5
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PJ5 ------> LTDC_R6
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PJ3 ------> LTDC_R4
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PJ2 ------> LTDC_R3
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PJ0 ------> LTDC_R1
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PJ1 ------> LTDC_R2
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*/
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HAL_GPIO_DeInit(LCD_B0_GPIO_Port, LCD_B0_Pin);
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HAL_GPIO_DeInit(GPIOJ, LCD_B1_Pin|LCD_B2_Pin|LCD_B3_Pin|LCD_G4_Pin
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|LCD_G1_Pin|LCD_G3_Pin|LCD_G0_Pin|LCD_G2_Pin
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|LCD_R7_Pin|LCD_R5_Pin|LCD_R6_Pin|LCD_R4_Pin
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|LCD_R3_Pin|LCD_R1_Pin|LCD_R2_Pin);
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HAL_GPIO_DeInit(GPIOK, LCD_DE_Pin|LCD_B7_Pin|LCD_B6_Pin|LCD_B5_Pin
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|LCD_G6_Pin|LCD_G7_Pin|LCD_G5_Pin);
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HAL_GPIO_DeInit(LCD_B4_GPIO_Port, LCD_B4_Pin);
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HAL_GPIO_DeInit(GPIOI, LCD_HSYNC_Pin|LCD_VSYNC_Pin|LCD_R0_Pin|LCD_CLK_Pin);
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/* LTDC interrupt Deinit */
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HAL_NVIC_DisableIRQ(LTDC_IRQn);
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/* USER CODE BEGIN LTDC_MspDeInit 1 */
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/* USER CODE END LTDC_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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