mirror of
https://github.com/STMicroelectronics/STM32CubeF4.git
synced 2025-05-02 22:17:06 +08:00
334 lines
11 KiB
C
334 lines
11 KiB
C
/**
|
|
******************************************************************************
|
|
* @file DMA2D/DMA2D_RegToMemWithLCD/Src/main.c
|
|
* @author MCD Application Team
|
|
* @brief This example provides a description of how to configure DMA2D peripheral in
|
|
* Register to Memory transfer mode and display the result on LCD.
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* 3. Neither the name of STMicroelectronics nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
/* Includes ------------------------------------------------------------------*/
|
|
|
|
#include "main.h"
|
|
|
|
/** @addtogroup STM32F4xx_HAL_Examples
|
|
* @{
|
|
*/
|
|
|
|
/** @addtogroup DMA2D_RegToMemWithLCD
|
|
* @{
|
|
*/
|
|
|
|
/* Private typedef -----------------------------------------------------------*/
|
|
/* Private define ------------------------------------------------------------*/
|
|
/* Private macro -------------------------------------------------------------*/
|
|
/* Private variables ---------------------------------------------------------*/
|
|
|
|
DMA2D_HandleTypeDef Dma2dHandle;
|
|
extern LTDC_HandleTypeDef hltdc_eval;
|
|
/* DMA2D output buffer to be displayed on LCD */
|
|
uint32_t aBufferResult[(LAYER_SIZE_X * LAYER_SIZE_Y * ARGB4444_BYTE_PER_PIXEL) / 4];
|
|
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
static void DMA2D_Config(void);
|
|
static void TransferError(DMA2D_HandleTypeDef* Dma2dHandle);
|
|
static void TransferComplete(DMA2D_HandleTypeDef* Dma2dHandle);
|
|
static void SystemClock_Config(void);
|
|
static void OnError_Handler(uint32_t condition);
|
|
static void LCD_LayerDefaultInit(uint16_t LayerIndex, uint32_t FB_Address);
|
|
|
|
/* Private functions ---------------------------------------------------------*/
|
|
|
|
/**
|
|
* @brief Main program
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
int main(void)
|
|
{
|
|
HAL_StatusTypeDef hal_status = HAL_OK;
|
|
uint8_t lcd_status = LCD_OK;
|
|
|
|
/* STM32F4xx HAL library initialization:
|
|
- Configure the Flash prefetch, instruction and Data caches
|
|
- Systick timer is configured by default as source of time base, but user
|
|
can eventually implement his proper time base source (a general purpose
|
|
timer for example or other time source), keeping in mind that Time base
|
|
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
|
|
handled in milliseconds basis.
|
|
- Set NVIC Group Priority to 4
|
|
- Low Level Initialization: global MSP (MCU Support Package) initialization
|
|
*/
|
|
HAL_Init();
|
|
|
|
/* Configure the system clock */
|
|
SystemClock_Config();
|
|
|
|
/* Wait until MFX is ready after reset */
|
|
HAL_Delay(100);
|
|
|
|
/* Configure LED1, LED2 and LED3 */
|
|
BSP_LED_Init(LED1);
|
|
BSP_LED_Init(LED2);
|
|
BSP_LED_Init(LED3);
|
|
|
|
/*##-1- Initialize the SDRAM ##############################################*/
|
|
BSP_SDRAM_Init();
|
|
|
|
/*##-2- Initialize the LCD #################################################*/
|
|
|
|
/* Proceed to LTDC, DSI initialization and LCD screen initialization
|
|
* with the configuration filled in above */
|
|
lcd_status = BSP_LCD_Init();
|
|
LCD_LayerDefaultInit(1, (uint32_t)&aBufferResult);
|
|
BSP_LCD_SelectLayer(1);
|
|
|
|
OnError_Handler(lcd_status != LCD_OK);
|
|
|
|
HAL_Delay(100);
|
|
|
|
/*##-3- DMA2D configuration ################################################*/
|
|
DMA2D_Config();
|
|
|
|
/*##-4- Start DMA2D transfer ###############################################*/
|
|
hal_status = HAL_DMA2D_Start_IT(&Dma2dHandle,
|
|
(uint32_t)LCD_COLOR_GREEN, /* Fill the DMA2D output register with this color */
|
|
(uint32_t)&aBufferResult, /* DMA2D output register */
|
|
LAYER_SIZE_X,
|
|
LAYER_SIZE_Y);
|
|
OnError_Handler(hal_status != HAL_OK);
|
|
|
|
while (1)
|
|
{
|
|
;
|
|
}
|
|
}
|
|
|
|
static void LCD_LayerDefaultInit(uint16_t LayerIndex, uint32_t FB_Address)
|
|
{
|
|
LCD_LayerCfgTypeDef Layercfg;
|
|
|
|
Layercfg.FBStartAdress = (uint32_t)&aBufferResult;
|
|
Layercfg.Alpha = 255;
|
|
Layercfg.Alpha0 = 0;
|
|
Layercfg.Backcolor.Blue = 0;
|
|
Layercfg.Backcolor.Green = 0;
|
|
Layercfg.Backcolor.Red = 0;
|
|
Layercfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
|
|
Layercfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
|
|
Layercfg.ImageWidth = 200;
|
|
Layercfg.ImageHeight = 200;
|
|
|
|
/* Layer Init */
|
|
Layercfg.WindowX0 = (BSP_LCD_GetXSize()/2) - (Layercfg.ImageWidth/2) ;
|
|
Layercfg.WindowX1 = Layercfg.WindowX0 + Layercfg.ImageWidth;
|
|
Layercfg.WindowY0 = (BSP_LCD_GetYSize()/2) - (Layercfg.ImageHeight/2) ;
|
|
Layercfg.WindowY1 = Layercfg.WindowY0 + Layercfg.ImageHeight;
|
|
Layercfg.PixelFormat = LTDC_PIXEL_FORMAT_ARGB8888;
|
|
|
|
HAL_LTDC_ConfigLayer(&hltdc_eval, &Layercfg, LayerIndex);
|
|
}
|
|
|
|
/**
|
|
* @brief DMA2D configuration.
|
|
* @note This function Configure tha DMA2D peripheral :
|
|
* 1) Configure the transfer mode : register to memory
|
|
* 2) Configure the color mode to ARGB8888
|
|
* @retval
|
|
* None
|
|
*/
|
|
|
|
static void DMA2D_Config(void)
|
|
{
|
|
HAL_StatusTypeDef hal_status = HAL_OK;
|
|
|
|
/* Register to memory mode with ARGB8888 as colorMode */
|
|
Dma2dHandle.Init.Mode = DMA2D_R2M;
|
|
Dma2dHandle.Init.ColorMode = DMA2D_ARGB8888;
|
|
Dma2dHandle.Init.OutputOffset = 0x0;
|
|
|
|
Dma2dHandle.XferCpltCallback = TransferComplete;
|
|
Dma2dHandle.XferErrorCallback = TransferError;
|
|
Dma2dHandle.Instance = DMA2D;
|
|
|
|
/* DMA2D Initialization */
|
|
hal_status = HAL_DMA2D_Init(&Dma2dHandle);
|
|
OnError_Handler(hal_status != HAL_OK);
|
|
|
|
hal_status = HAL_DMA2D_ConfigLayer(&Dma2dHandle, 1);
|
|
OnError_Handler(hal_status != HAL_OK);
|
|
}
|
|
|
|
/**
|
|
* @brief On Error Handler on condition TRUE.
|
|
* @param condition : Can be TRUE or FALSE
|
|
* @retval None
|
|
*/
|
|
static void OnError_Handler(uint32_t condition)
|
|
{
|
|
if(condition)
|
|
{
|
|
BSP_LED_On(LED3);
|
|
while(1) { ; } /* Blocking on error */
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief DMA2D Transfer completed callback
|
|
* @param hdma2d: DMA2D handle.
|
|
* @note This example shows a simple way to report end of DMA2D transfer, and
|
|
* you can add your own implementation.
|
|
* @retval None
|
|
*/
|
|
static void TransferComplete(DMA2D_HandleTypeDef *hdma2d)
|
|
{
|
|
/* Turn LED1 On */
|
|
BSP_LED_On(LED1);
|
|
}
|
|
|
|
/**
|
|
* @brief DMA2D error callbacks
|
|
* @param hdma2d: DMA2D handle
|
|
* @note This example shows a simple way to report DMA2D transfer error, and you can
|
|
* add your own implementation.
|
|
* @retval None
|
|
*/
|
|
static void TransferError(DMA2D_HandleTypeDef *hdma2d)
|
|
{
|
|
/* Turn LED2 On */
|
|
BSP_LED_On(LED2);
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief System Clock Configuration
|
|
* The system Clock is configured as follow :
|
|
* System Clock source = PLL (HSE)
|
|
* SYSCLK(Hz) = 180000000
|
|
* HCLK(Hz) = 180000000
|
|
* AHB Prescaler = 1
|
|
* APB1 Prescaler = 4
|
|
* APB2 Prescaler = 2
|
|
* HSE Frequency(Hz) = 25000000
|
|
* PLL_M = 25
|
|
* PLL_N = 360
|
|
* PLL_P = 2
|
|
* PLL_Q = 7
|
|
* PLL_R = 6
|
|
* VDD(V) = 3.3
|
|
* Main regulator output voltage = Scale1 mode
|
|
* Flash Latency(WS) = 5
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void SystemClock_Config(void)
|
|
{
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct;
|
|
RCC_OscInitTypeDef RCC_OscInitStruct;
|
|
HAL_StatusTypeDef ret = HAL_OK;
|
|
|
|
/* Enable Power Control clock */
|
|
__HAL_RCC_PWR_CLK_ENABLE();
|
|
|
|
/* The voltage scaling allows optimizing the power consumption when the device is
|
|
clocked below the maximum system frequency, to update the voltage scaling value
|
|
regarding system frequency refer to product datasheet. */
|
|
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
|
|
|
|
/* Enable HSE Oscillator and activate PLL with HSE as source */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
|
RCC_OscInitStruct.PLL.PLLM = 25;
|
|
RCC_OscInitStruct.PLL.PLLN = 360;
|
|
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
|
|
RCC_OscInitStruct.PLL.PLLQ = 7;
|
|
RCC_OscInitStruct.PLL.PLLR = 6;
|
|
|
|
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
|
|
if(ret != HAL_OK)
|
|
{
|
|
while(1) { ; }
|
|
}
|
|
|
|
/* Activate the OverDrive to reach the 180 MHz Frequency */
|
|
ret = HAL_PWREx_EnableOverDrive();
|
|
if(ret != HAL_OK)
|
|
{
|
|
while(1) { ; }
|
|
}
|
|
|
|
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
|
|
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
|
|
|
|
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
|
|
if(ret != HAL_OK)
|
|
{
|
|
while(1) { ; }
|
|
}
|
|
}
|
|
|
|
#ifdef USE_FULL_ASSERT
|
|
|
|
/**
|
|
* @brief Reports the name of the source file and the source line number
|
|
* where the assert_param error has occurred.
|
|
* @param file: pointer to the source file name
|
|
* @param line: assert_param error line source number
|
|
* @retval None
|
|
*/
|
|
void assert_failed(uint8_t* file, uint32_t line)
|
|
{
|
|
/* User can add his own implementation to report the file name and line number,
|
|
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
|
|
|
/* Infinite loop */
|
|
while (1)
|
|
{
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|