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/* ... */
#include "main.h"
#include "ARGB4444_150x150.h"
/* ... */
/* ... */
Includes
DMA2D_HandleTypeDef Dma2dHandle;
uint32_t aBufferResult[(LAYER_SIZE_X * LAYER_SIZE_Y * LAYER_BYTE_PER_PIXEL) / 4];
static __IO uint32_t blended_image_ready = 0;
static uint32_t LcdResX = WVGA_RES_X;
static uint32_t LcdResY = WVGA_RES_Y;
static uint32_t offset_address_area_blended_image_in_lcd_buffer = 0;
Private variables
static uint8_t CopyBlendedBufferToLcdFrameBuffer(void *pSrc, void *pDst, uint32_t xSize, uint32_t ySize);
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);
Private function prototypes
/* ... */
int main(void)
{
blended_image_ready = 0;
HAL_StatusTypeDef hal_status = HAL_OK;
uint8_t lcd_status = LCD_OK;
LcdResX = WVGA_RES_X;
LcdResY = WVGA_RES_Y;
blended_image_ready = 0;
offset_address_area_blended_image_in_lcd_buffer = ((((LcdResY - LAYER_SIZE_Y) / 2) * LcdResX)
+ ((LcdResX - LAYER_SIZE_X) / 2))
* ARGB8888_BYTE_PER_PIXEL;
/* ... */
HAL_Init();
SystemClock_Config();
HAL_Delay(100);
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
/* ... */
lcd_status = BSP_LCD_Init();
BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
OnError_Handler(lcd_status != LCD_OK);
BSP_LCD_Clear(LCD_COLOR_BLACK);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, 440, (uint8_t *)"DMA2D_MemToMemWithLCD example", CENTER_MODE);
HAL_Delay(100);
DMA2D_Config();
hal_status = HAL_DMA2D_Start_IT(&Dma2dHandle,
(uint32_t)&ARGB4444_150x150,
(uint32_t)&aBufferResult,
LAYER_SIZE_X,
LAYER_SIZE_Y);
OnError_Handler(hal_status != HAL_OK);
while(blended_image_ready == 0) {;}
lcd_status = CopyBlendedBufferToLcdFrameBuffer((void*)&(aBufferResult[0]),
(void*)(LCD_FRAME_BUFFER + offset_address_area_blended_image_in_lcd_buffer),
LAYER_SIZE_X,
LAYER_SIZE_Y);
while (1)
{
}while (1) { ... }
}{ ... }
/* ... */
static uint8_t CopyBlendedBufferToLcdFrameBuffer(void *pSrc, void *pDst, uint32_t xSize, uint32_t ySize)
{
DMA2D_HandleTypeDef hdma2d_eval;
HAL_StatusTypeDef hal_status = HAL_OK;
uint8_t lcd_status = LCD_ERROR;
hdma2d_eval.Init.Mode = DMA2D_M2M_PFC;
hdma2d_eval.Init.ColorMode = DMA2D_ARGB8888;
hdma2d_eval.Init.OutputOffset = (LcdResX - LAYER_SIZE_X);
hdma2d_eval.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
hdma2d_eval.LayerCfg[1].InputAlpha = 0xFF;
hdma2d_eval.LayerCfg[1].InputColorMode = DMA2D_INPUT_ARGB4444;
hdma2d_eval.LayerCfg[1].InputOffset = 0;
hdma2d_eval.Instance = DMA2D;
if(HAL_DMA2D_Init(&hdma2d_eval) == HAL_OK)
{
if(HAL_DMA2D_ConfigLayer(&hdma2d_eval, 1) == HAL_OK)
{
if (HAL_DMA2D_Start(&hdma2d_eval, (uint32_t)pSrc, (uint32_t)pDst, xSize, ySize) == HAL_OK)
{
hal_status = HAL_DMA2D_PollForTransfer(&hdma2d_eval, 10);
if(hal_status == HAL_OK)
{
lcd_status = LCD_OK;
}if (hal_status == HAL_OK) { ... }
}if (HAL_DMA2D_Start(&hdma2d_eval, (uint32_t)pSrc, (uint32_t)pDst, xSize, ySize) == HAL_OK) { ... }
}if (HAL_DMA2D_ConfigLayer(&hdma2d_eval, 1) == HAL_OK) { ... }
}if (HAL_DMA2D_Init(&hdma2d_eval) == HAL_OK) { ... }
return(lcd_status);
}{ ... }
/* ... */
static void DMA2D_Config(void)
{
HAL_StatusTypeDef hal_status = HAL_OK;
Dma2dHandle.Init.Mode = DMA2D_M2M;
Dma2dHandle.Init.ColorMode = DMA2D_ARGB4444;
Dma2dHandle.Init.OutputOffset = 0x0;
Dma2dHandle.XferCpltCallback = TransferComplete;
Dma2dHandle.XferErrorCallback = TransferError;
Dma2dHandle.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
Dma2dHandle.LayerCfg[1].InputAlpha = 0xFF;
Dma2dHandle.LayerCfg[1].InputColorMode = DMA2D_INPUT_ARGB4444;
Dma2dHandle.LayerCfg[1].InputOffset = 0x0;
Dma2dHandle.Instance = DMA2D;
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);
}{ ... }
/* ... */
static void OnError_Handler(uint32_t condition)
{
if(condition)
{
BSP_LED_On(LED3);
while(1) { ; }
}if (condition) { ... }
}{ ... }
/* ... */
static void TransferComplete(DMA2D_HandleTypeDef *hdma2d)
{
BSP_LED_On(LED1);
blended_image_ready = 1;
}{ ... }
/* ... */
static void TransferError(DMA2D_HandleTypeDef *hdma2d)
{
BSP_LED_On(LED2);
}{ ... }
/* ... */
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
HAL_StatusTypeDef ret = HAL_OK;
__HAL_RCC_PWR_CLK_ENABLE();
/* ... */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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) { ; }
}if (ret != HAL_OK) { ... }
ret = HAL_PWREx_EnableOverDrive();
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
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) { ; }
}if (ret != HAL_OK) { ... }
}{ ... }
#ifdef USE_FULL_ASSERT
/* ... */
void assert_failed(uint8_t* file, uint32_t line)
{
/* ... */
while (1)
{
}while (1) { ... }
}assert_failed (uint8_t* file, uint32_t line) { ... }
/* ... */#endif
/* ... */
/* ... */