static void DMA2D_Config(void)
{
DMA2D_InitTypeDef DMA2D_InitStruct;
DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
/* Enable the DMA2D Clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2D, ENABLE);
/* DMA2D configuration */
DMA2D_DeInit();
/* Transfer mode */
DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M;
/* Color mode */
DMA2D_InitStruct.DMA2D_CMode = DMA2D_ARGB4444;
/* Output Address */
DMA2D_InitStruct.DMA2D_OutputMemoryAdd = (uint32_t)&aBufferResult;
/* Output Offset */
DMA2D_InitStruct.DMA2D_OutputOffset = 0;
/* Number of lines : height */
DMA2D_InitStruct.DMA2D_NumberOfLine = 150;
/* Number of pixel per line : width */
DMA2D_InitStruct.DMA2D_PixelPerLine = 150;
/* Initialize the alpha and RGB values */
DMA2D_InitStruct.DMA2D_OutputGreen = 0;
DMA2D_InitStruct.DMA2D_OutputBlue = 0;
DMA2D_InitStruct.DMA2D_OutputRed = 0;
DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
/* Initialize the output offset */
DMA2D_InitStruct.DMA2D_OutputOffset = 0;
/* Initialize DMA2D */
DMA2D_Init(&DMA2D_InitStruct);
/* Configure default values for foreground */
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
/* Configure DMA2D foreground color mode */
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_ARGB4444;
/* Configure Input Address */
DMA2D_FG_InitStruct.DMA2D_FGMA = (uint32_t)&ARGB4444_150x150;
/* Initialize foreground */
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
}
static void DMA2D_Config(void)
{
DMA2D_InitTypeDef DMA2D_InitStruct;
DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
/* Enable the DMA2D Clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2D, ENABLE);
/* Transfer mode => Memory to memory with pixel format conversion*/
DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M_PFC;
/* Output color mode */
DMA2D_InitStruct.DMA2D_CMode = DMA2D_ARGB4444;
/* Output Address at SRAM memory */
DMA2D_InitStruct.DMA2D_OutputMemoryAdd = (uint32_t)&aBufferResult;
/* Initialize the alpha and RGB values */
DMA2D_InitStruct.DMA2D_OutputGreen = 0;
DMA2D_InitStruct.DMA2D_OutputBlue = 0;
DMA2D_InitStruct.DMA2D_OutputRed = 0;
DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
/* Initialize the output offset */
DMA2D_InitStruct.DMA2D_OutputOffset = 0;
/* Number of lines : height */
DMA2D_InitStruct.DMA2D_NumberOfLine = 120;
/* Number of pixel per line : width */
DMA2D_InitStruct.DMA2D_PixelPerLine = 300;
/* Initialize DMA2D */
DMA2D_Init(&DMA2D_InitStruct);
/* Configure default values for foreground */
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
/* Input Address at flash memory */
DMA2D_FG_InitStruct.DMA2D_FGMA = (uint32_t)&ARGB8888_300x120;
/* Input color mode */
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_ARGB8888;
/* Initialize foreground */
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
}
static void DMA2D_CopySTLogo(uint32_t lineOffset)
{
DMA2D_InitTypeDef DMA2D_InitStruct;
DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
DMA2D_BG_InitTypeDef DMA2D_BG_InitStruct;
/* Enable the DMA2D Clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2D, ENABLE);
/* Transfer mode => Memory to memory with pixel format conversion*/
DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M_PFC;
/* Output color mode */
DMA2D_InitStruct.DMA2D_CMode = DMA2D_RGB565;
/* Output Address at SRAM memory */
DMA2D_InitStruct.DMA2D_OutputMemoryAdd = (uint32_t)(LCD_FRAME_BUFFER + BUFFER_OFFSET + lineOffset);
/* Initialize the alpha and RGB values */
DMA2D_InitStruct.DMA2D_OutputGreen = 0;
DMA2D_InitStruct.DMA2D_OutputBlue = 0;
DMA2D_InitStruct.DMA2D_OutputRed = 0;
DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
/* Initialize the output offset */
DMA2D_InitStruct.DMA2D_OutputOffset = 0;
/* Number of lines : height */
DMA2D_InitStruct.DMA2D_NumberOfLine = ImageSTLogo_height;
/* Number of pixel per line : width */
DMA2D_InitStruct.DMA2D_PixelPerLine = ImageSTLogo_width;
/* Initialize DMA2D */
DMA2D_Init(&DMA2D_InitStruct);
/* Configure default values for foreground */
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
/* Input Address at flash memory */
DMA2D_FG_InitStruct.DMA2D_FGMA = (uint32_t)ImageSTLogo;
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_VALUE = 100;
/* Input color mode */
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_RGB565;
/* Initialize foreground */
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
/* Configure default values for background */
DMA2D_BG_StructInit(&DMA2D_BG_InitStruct);
/* Input Address at flash memory */
DMA2D_BG_InitStruct.DMA2D_BGMA = (uint32_t)frameBuffer;
DMA2D_BG_InitStruct.DMA2D_BGPFC_ALPHA_VALUE = 100;
/* Input color mode */
DMA2D_BG_InitStruct.DMA2D_BGCM = CM_RGB565;
/* Initialize background */
DMA2D_BGConfig(&DMA2D_BG_InitStruct);
/* Start Transfer */
DMA2D_StartTransfer();
while (!DMA2D_GetFlagStatus(DMA2D_FLAG_TC))
{
}
}
static void DMA2D_Config(void)
{
DMA2D_InitTypeDef DMA2D_InitStruct;
DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
DMA2D_BG_InitTypeDef DMA2D_BG_InitStruct;
/* Enable the DMA2D Clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2D, ENABLE);
/* DMA2D DeInitialization */
DMA2D_DeInit();
/* Configure transfer mode : memory to memory with blending */
DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M_BLEND;
/* Configure color mode : RGB565 pixel format */
DMA2D_InitStruct.DMA2D_CMode = DMA2D_RGB565;
/* Configure output Address : output frame buffer is located at SRAM */
DMA2D_InitStruct.DMA2D_OutputMemoryAdd = (uint32_t)&aBlendedImage;
/* Configure the alpha and RGB values */
DMA2D_InitStruct.DMA2D_OutputGreen = 0;
DMA2D_InitStruct.DMA2D_OutputBlue = 0;
DMA2D_InitStruct.DMA2D_OutputRed = 0;
DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
/* Configure the output offset */
DMA2D_InitStruct.DMA2D_OutputOffset = 0;
/* Configure number of lines : height */
DMA2D_InitStruct.DMA2D_NumberOfLine = 130;
/* Configure number of pixel per line : width */
DMA2D_InitStruct.DMA2D_PixelPerLine = 240;
/* DMA2D Initialization */
DMA2D_Init(&DMA2D_InitStruct);
/* Configure default values for foreground */
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
/* Configure foreground memory address : first input memory address at FLASH memory */
DMA2D_FG_InitStruct.DMA2D_FGMA = (uint32_t)&RGB565_240x130_1;
/* Configure foreground color mode */
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_RGB565;
/* Configure foreground alpha value */
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_MODE = REPLACE_ALPHA_VALUE;
/* Configure foreground alpha mode : The constant alpha for foreground is decreased
to see the background */
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_VALUE = 0x75;
/* Foreground Initialization */
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
/* Configure default values for background */
DMA2D_BG_StructInit(&DMA2D_BG_InitStruct);
/* Configure background memory address : second input memory address at FLASH memory */
DMA2D_BG_InitStruct.DMA2D_BGMA = (uint32_t)&RGB565_240x130_2;
/* Configure background color mode */
DMA2D_BG_InitStruct.DMA2D_BGCM = CM_RGB565;
/* Configure background alpha mode */
DMA2D_BG_InitStruct.DMA2D_BGPFC_ALPHA_MODE = NO_MODIF_ALPHA_VALUE;
/* Configure background alpha value */
DMA2D_BG_InitStruct.DMA2D_BGPFC_ALPHA_VALUE = 255;
/* Background Initialization */
DMA2D_BGConfig(&DMA2D_BG_InitStruct);
}
