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248 lines
7.6 KiB

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