/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
files (startup_stm32f429_439xx.s) before to branch to application main.
*/
/* Configure LCD : Configure 2 layers w/ Blending and CLUT loading for layer 1 */
LCD_Config();
/* Enable CLUT for Layer 1 */
LTDC_CLUTCmd(LTDC_Layer1, ENABLE);
/* Enable Layer 1 */
LTDC_LayerCmd(LTDC_Layer1, ENABLE);
/* Enable Layer 2 */
LTDC_LayerCmd(LTDC_Layer2, ENABLE);
/* Reload LTDC configuration */
LTDC_ReloadConfig(LTDC_IMReload);
/* Enable The LCD */
LTDC_Cmd(ENABLE);
while (1)
{
}
}
void MainTask_ColorKeying(void)
{
uint32_t lastMiliseconds = 0;
LCD_Init();
SDRAM_Init();
while(!tamperPushed)
{
LCD_ReSetColorKeying();
LTDC_DitherCmd(ENABLE);
DrawText((uint8_t*)" Color Keying OFF");
DMA2D_CopySTLogo(LOGO_OFFSET);
LCD_BackgroundLayerInit();
/* wait 2s */
lastMiliseconds = getMiliseconds();
while (!tamperPushed && ((getMiliseconds()-lastMiliseconds)<2000))
{
}
LCD_SetColorKeying(0xFFFFFF);
DrawText((uint8_t*)" Color Keying ON");
DMA2D_CopySTLogo(LOGO_OFFSET);
/* wait 2s */
lastMiliseconds = getMiliseconds();
while (!tamperPushed && ((getMiliseconds()-lastMiliseconds)<2000))
{
}
LTDC_CLUTCmd(LTDC_Layer1, DISABLE);
LTDC_CLUTCmd(LTDC_Layer2, DISABLE);
LCD_ReSetColorKeying();
LTDC_ReloadConfig(LTDC_IMReload);
}
}
void MainTask_ColorFormat(void)
{
uint32_t lastMiliseconds = 0;
LCD_Init();
SDRAM_Init();
/* LTDC configuration reload */
LTDC_ReloadConfig(LTDC_IMReload);
while(!tamperPushed)
{
DMA2D_CopyPicture(DMA2D_RGB888);
LTDC_DitherCmd(ENABLE);
DrawText((uint8_t*)" RGB888 Dither");
LCD_RGB888LayerInit();
/* wait 2s */
lastMiliseconds = getMiliseconds();
while (!tamperPushed && ((getMiliseconds()-lastMiliseconds)<2000))
{
}
LTDC_DitherCmd(DISABLE);
DrawText((uint8_t*)" RGB888");
LCD_RGB888LayerInit();
/* wait 2s */
lastMiliseconds = getMiliseconds();
while (!tamperPushed && ((getMiliseconds()-lastMiliseconds)<2000))
{
}
LTDC_DitherCmd(ENABLE);
DMA2D_CopyPicture(DMA2D_RGB565);
DrawText((uint8_t*)" RGB565");
LCD_RGB565LayerInit();
/* wait 2s */
lastMiliseconds = getMiliseconds();
while (!tamperPushed && ((getMiliseconds()-lastMiliseconds)<2000))
{
}
DrawText((uint8_t*)" L8 CLUT");
LCD_OptCLUTLayerInit();
/* wait 2s */
lastMiliseconds = getMiliseconds();
while (!tamperPushed && ((getMiliseconds()-lastMiliseconds)<2000))
{
}
DrawText((uint8_t*)" L8 CLUT Dither");
LCD_DithCLUTLayerInit();
/* wait 2s */
lastMiliseconds = getMiliseconds();
while (!tamperPushed && ((getMiliseconds()-lastMiliseconds)<2000))
{
}
LTDC_CLUTCmd(LTDC_Layer1, DISABLE);
LTDC_CLUTCmd(LTDC_Layer2, DISABLE);
LCD_ReSetColorKeying();
LTDC_ReloadConfig(LTDC_IMReload);
}
}
static void LCD_DithCLUTLayerInit(void)
{
uint32_t uwCounter;
LTDC_CLUT_InitTypeDef LTDC_CLUT_InitStruct;
LTDC_LayerCmd(LTDC_Layer1, DISABLE);
/* Windowing configuration */
/* In this case all the active display area is used to display a picture then :
Horizontal start = horizontal synchronization + Horizontal back porch = 30
Horizontal stop = Horizontal start + window width -1 = 30 + 240 -1
Vertical start = vertical synchronization + vertical back porch = 4
Vertical stop = Vertical start + window height -1 = 4 + 320 -1 */
LTDC_Layer_InitStruct.LTDC_HorizontalStart = 30;
LTDC_Layer_InitStruct.LTDC_HorizontalStop = (LCD_PIXEL_WIDTH + 30 - 1);
LTDC_Layer_InitStruct.LTDC_VerticalStart = 4;
LTDC_Layer_InitStruct.LTDC_VerticalStop = (LCD_PIXEL_HEIGHT + 4 - 1);
/* Pixel Format configuration*/
LTDC_Layer_InitStruct.LTDC_PixelFormat = LTDC_Pixelformat_L8;
/* Alpha constant (255 totally opaque) */
LTDC_Layer_InitStruct.LTDC_ConstantAlpha = 255;
/* Default Color configuration (configure A,R,G,B component values) */
LTDC_Layer_InitStruct.LTDC_DefaultColorBlue = 0;
LTDC_Layer_InitStruct.LTDC_DefaultColorGreen = 0;
LTDC_Layer_InitStruct.LTDC_DefaultColorRed = 0;
LTDC_Layer_InitStruct.LTDC_DefaultColorAlpha = 0;
/* Configure blending factors */
LTDC_Layer_InitStruct.LTDC_BlendingFactor_1 = LTDC_BlendingFactor1_CA;
LTDC_Layer_InitStruct.LTDC_BlendingFactor_2 = LTDC_BlendingFactor2_CA;
/* the length of one line of pixels in bytes + 3 then :
Line Lenth = Active width x number of bytes per pixel + 3
Active width = LCD_PIXEL_WIDTH
number of bytes per pixel = 1 (pixel_format : L8)
*/
LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((LCD_PIXEL_WIDTH * 1) + 3);
/* the pitch is the increment from the start of one line of pixels to the
start of the next line in bytes, then :
Pitch = Active high width x number of bytes per pixel */
LTDC_Layer_InitStruct.LTDC_CFBPitch = (ImageDithCLUT_width * 1);
/* Configure the number of lines */
LTDC_Layer_InitStruct.LTDC_CFBLineNumber = LCD_PIXEL_HEIGHT;
/* Start Address configuration : the LCD Frame buffer is defined in Flash memory*/
LTDC_Layer_InitStruct.LTDC_CFBStartAdress = (uint32_t)ImageDithCLUT;
/* Initialize LTDC layer 1 */
LTDC_LayerInit(LTDC_Layer1, <DC_Layer_InitStruct);
/* CLUT loading --------------------------------------------------------------*/
/* Load 256 colors in CLUT address for Layer 1 */
for(uwCounter = 0; (uwCounter < 256); uwCounter++)
{
LTDC_CLUT_InitStruct.LTDC_CLUTAdress = uwCounter;
LTDC_CLUT_InitStruct.LTDC_BlueValue = (ImageDithCLUT_CLUT[uwCounter] & 0xFF);
LTDC_CLUT_InitStruct.LTDC_GreenValue = (ImageDithCLUT_CLUT[uwCounter] & 0xFF00) >> 8;
LTDC_CLUT_InitStruct.LTDC_RedValue = (ImageDithCLUT_CLUT[uwCounter] & 0xFF0000) >> 16;
LTDC_CLUTInit(LTDC_Layer1, <DC_CLUT_InitStruct);
}
/* CLUT loading end ----------------------------------------------------------*/
/* Enable CLUT for Layer 1 */
LTDC_CLUTCmd(LTDC_Layer1, ENABLE);
/* LTDC configuration reload */
LTDC_ReloadConfig(LTDC_SRCR_VBR);
/* Enable backgrounf layers */
LTDC_LayerCmd(LTDC_Layer1, ENABLE);
/* LTDC configuration reload */
LTDC_ReloadConfig(LTDC_SRCR_VBR);
}
