[Horus] Next round of screen changes + refactoring
This commit is contained in:
@@ -9,22 +9,20 @@
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#define HFP 3
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#define VFP 2
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#define LCD_PIXEL_WIDTH ((uint16_t)480)
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#define LCD_PIXEL_HEIGHT ((uint16_t)272)
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#define LCD_DIR_HORIZONTAL 0x0000
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#define LCD_DIR_VERTICAL 0x0001
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#define LCD_DIR_HORIZONTAL 0x0000
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#define LCD_DIR_VERTICAL 0x0001
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#define LCD_FIRST_LAYER 0
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#define LCD_SECOND_LAYER 1
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#define LCD_BACKGROUND_LAYER 0x0000
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#define LCD_FOREGROUND_LAYER 0x0001
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#define LCD_BKLIGHT_PWM_FREQ 300
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#define LCD_BKLIGHT_PWM_FREQ 300
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#define LCD_FIRST_FRAME_BUFFER SDRAM_BANK_ADDR
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#define LCD_SECOND_FRAME_BUFFER (SDRAM_BANK_ADDR + DISPLAY_BUFFER_SIZE)
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#define LCD_BACKUP_FRAME_BUFFER (SDRAM_BANK_ADDR + 2*DISPLAY_BUFFER_SIZE)
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#define LCD_DEFAULT_FRAME_BUFFER SDRAM_BANK_ADDR
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#define FRAME_BUFFER_OFFSET ((uint32_t)0x100000)
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uint32_t CurrentFrameBuffer = LCD_DEFAULT_FRAME_BUFFER;
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uint32_t CurrentLayer = LCD_BACKGROUND_LAYER;
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uint32_t CurrentFrameBuffer = LCD_FIRST_FRAME_BUFFER;
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uint32_t CurrentLayer = LCD_FIRST_LAYER;
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#define NRST_LOW() do { LCD_GPIO_NRST->BSRRH = LCD_GPIO_PIN_NRST; } while(0)
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#define NRST_HIGH() do { LCD_GPIO_NRST->BSRRL = LCD_GPIO_PIN_NRST; } while(0)
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@@ -193,13 +191,13 @@ void LCD_Init_LTDC(void)
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/* Configure accumulated vertical back porch */
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LTDC_InitStruct.LTDC_AccumulatedVBP = VBP;
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/* Configure accumulated active width */
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LTDC_InitStruct.LTDC_AccumulatedActiveW = LCD_PIXEL_WIDTH + HBP;
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LTDC_InitStruct.LTDC_AccumulatedActiveW = LCD_W + HBP;
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/* Configure accumulated active height */
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LTDC_InitStruct.LTDC_AccumulatedActiveH = LCD_PIXEL_HEIGHT + VBP;
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LTDC_InitStruct.LTDC_AccumulatedActiveH = LCD_H + VBP;
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/* Configure total width */
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LTDC_InitStruct.LTDC_TotalWidth = LCD_PIXEL_WIDTH + HBP + HFP;
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LTDC_InitStruct.LTDC_TotalWidth = LCD_W + HBP + HFP;
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/* Configure total height */
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LTDC_InitStruct.LTDC_TotalHeigh = LCD_PIXEL_HEIGHT + VBP + VFP;
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LTDC_InitStruct.LTDC_TotalHeigh = LCD_H + VBP + VFP;
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// init ltdc
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LTDC_Init(<DC_InitStruct);
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@@ -240,9 +238,9 @@ void LCD_LayerInit()
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Vertical start = vertical synchronization + vertical back porch = 4
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Vertical stop = Vertical start + window height -1 = 4 + 320 -1 */
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LTDC_Layer_InitStruct.LTDC_HorizontalStart = HBP + 1;
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LTDC_Layer_InitStruct.LTDC_HorizontalStop = (LCD_PIXEL_WIDTH + HBP);
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LTDC_Layer_InitStruct.LTDC_HorizontalStop = (LCD_W + HBP);
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LTDC_Layer_InitStruct.LTDC_VerticalStart = VBP + 1;;
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LTDC_Layer_InitStruct.LTDC_VerticalStop = (LCD_PIXEL_HEIGHT + VBP);
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LTDC_Layer_InitStruct.LTDC_VerticalStop = (LCD_H + VBP);
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/* Pixel Format configuration*/
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LTDC_Layer_InitStruct.LTDC_PixelFormat = LTDC_Pixelformat_RGB565;
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@@ -260,20 +258,20 @@ void LCD_LayerInit()
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/* the length of one line of pixels in bytes + 3 then :
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Line Lenth = Active high width x number of bytes per pixel + 3
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Active high width = LCD_PIXEL_WIDTH
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Active high width = LCD_W
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number of bytes per pixel = 2 (pixel_format : RGB565)
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*/
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LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((LCD_PIXEL_WIDTH * 2) + 3);
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LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((LCD_W * 2) + 3);
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/* the pitch is the increment from the start of one line of pixels to the
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start of the next line in bytes, then :
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Pitch = Active high width x number of bytes per pixel */
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LTDC_Layer_InitStruct.LTDC_CFBPitch = (LCD_PIXEL_WIDTH * 2);
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LTDC_Layer_InitStruct.LTDC_CFBPitch = (LCD_W * 2);
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/* Configure the number of lines */
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LTDC_Layer_InitStruct.LTDC_CFBLineNumber = LCD_PIXEL_HEIGHT;
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LTDC_Layer_InitStruct.LTDC_CFBLineNumber = LCD_H;
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/* Start Address configuration : the LCD Frame buffer is defined on SDRAM w/ Offset */
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LTDC_Layer_InitStruct.LTDC_CFBStartAdress = LCD_DEFAULT_FRAME_BUFFER;
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LTDC_Layer_InitStruct.LTDC_CFBStartAdress = LCD_FIRST_FRAME_BUFFER;
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/* Initialize LTDC layer 1 */
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LTDC_LayerInit(LTDC_Layer1, <DC_Layer_InitStruct);
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@@ -283,7 +281,7 @@ void LCD_LayerInit()
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LTDC_Layer_InitStruct.LTDC_BlendingFactor_2 = LTDC_BlendingFactor2_PAxCA;
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/* Start Address configuration : the LCD Frame buffer is defined on SDRAM w/ Offset */
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LTDC_Layer_InitStruct.LTDC_CFBStartAdress = LCD_DEFAULT_FRAME_BUFFER + FRAME_BUFFER_OFFSET;
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LTDC_Layer_InitStruct.LTDC_CFBStartAdress = LCD_FIRST_FRAME_BUFFER + DISPLAY_BUFFER_SIZE;
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/* Initialize LTDC layer 2 */
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LTDC_LayerInit(LTDC_Layer2, <DC_Layer_InitStruct);
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@@ -377,25 +375,21 @@ void LCD_Init(void)
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*/
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void LCD_SetLayer(uint32_t Layerx)
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{
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if (Layerx == LCD_BACKGROUND_LAYER)
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if (Layerx == LCD_FIRST_LAYER)
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{
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CurrentFrameBuffer = LCD_DEFAULT_FRAME_BUFFER;
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CurrentLayer = LCD_BACKGROUND_LAYER;
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CurrentFrameBuffer = LCD_FIRST_FRAME_BUFFER;
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CurrentLayer = LCD_FIRST_LAYER;
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}
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else
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{
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CurrentFrameBuffer = LCD_DEFAULT_FRAME_BUFFER + FRAME_BUFFER_OFFSET;
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CurrentLayer = LCD_FOREGROUND_LAYER;
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CurrentFrameBuffer = LCD_FIRST_FRAME_BUFFER + DISPLAY_BUFFER_SIZE;
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CurrentLayer = LCD_SECOND_LAYER;
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}
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}
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void LCD_Clear(uint16_t Color)
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{
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uint16_t *index ;
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/* erase memory */
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for (index = (uint16_t *)CurrentFrameBuffer; index < (uint16_t *)(CurrentFrameBuffer+(FRAME_BUFFER_OFFSET)); index++)
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{
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for (uint16_t * index = (uint16_t *)CurrentFrameBuffer; index < (uint16_t *)(CurrentFrameBuffer+DISPLAY_BUFFER_SIZE); index++) {
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*index = Color;
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}
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}
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@@ -408,12 +402,10 @@ void LCD_Clear(uint16_t Color)
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*/
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void LCD_SetTransparency(uint8_t transparency)
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{
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if (CurrentLayer == LCD_BACKGROUND_LAYER)
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{
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if (CurrentLayer == LCD_FIRST_LAYER) {
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LTDC_LayerAlpha(LTDC_Layer1, transparency);
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}
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else
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{
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else {
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LTDC_LayerAlpha(LTDC_Layer2, transparency);
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}
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LTDC_ReloadConfig(LTDC_IMReload);
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@@ -429,19 +421,19 @@ void lcdInit(void)
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LTDC_Cmd(ENABLE);
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/* Set Background layer */
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LCD_SetLayer(LCD_BACKGROUND_LAYER);
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LCD_SetLayer(LCD_FIRST_LAYER);
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LCD_Clear(0);
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LCD_SetTransparency(0);
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/* Set Foreground layer */
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LCD_SetLayer(LCD_FOREGROUND_LAYER);
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LCD_SetLayer(LCD_SECOND_LAYER);
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LCD_Clear(0);
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LCD_SetTransparency(255);
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}
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void lcdDrawSolidFilledRectDMA(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t color)
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{
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uint32_t addr = CurrentFrameBuffer + 2*(LCD_PIXEL_WIDTH*y + x);
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uint32_t addr = CurrentFrameBuffer + 2*(LCD_W*y + x);
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uint16_t red = (0xF800 & color) >> 11;
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uint16_t blue = 0x001F & color;
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uint16_t green = (0x07E0 & color) >> 5;
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@@ -456,7 +448,7 @@ void lcdDrawSolidFilledRectDMA(uint16_t x, uint16_t y, uint16_t w, uint16_t h, u
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DMA2D_InitStruct.DMA2D_OutputRed = red;
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DMA2D_InitStruct.DMA2D_OutputAlpha = 0x0F;
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DMA2D_InitStruct.DMA2D_OutputMemoryAdd = addr;
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DMA2D_InitStruct.DMA2D_OutputOffset = (LCD_PIXEL_WIDTH - w);
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DMA2D_InitStruct.DMA2D_OutputOffset = (LCD_W - w);
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DMA2D_InitStruct.DMA2D_NumberOfLine = h;
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DMA2D_InitStruct.DMA2D_PixelPerLine = w;
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DMA2D_Init(&DMA2D_InitStruct);
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@@ -468,12 +460,26 @@ void lcdDrawSolidFilledRectDMA(uint16_t x, uint16_t y, uint16_t w, uint16_t h, u
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while (DMA2D_GetFlagStatus(DMA2D_FLAG_TC) == RESET);
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}
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void lcdStoreBackupBuffer()
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{
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for (uint16_t * src = (uint16_t *)CurrentFrameBuffer, * dest = (uint16_t *)LCD_BACKUP_FRAME_BUFFER; src < (uint16_t *)(CurrentFrameBuffer+DISPLAY_BUFFER_SIZE); src++, dest++) {
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*dest = *src;
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}
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}
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void lcdRestoreBackupBuffer()
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{
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for (uint16_t * dest = (uint16_t *)CurrentFrameBuffer, * src = (uint16_t *)LCD_BACKUP_FRAME_BUFFER; dest < (uint16_t *)(CurrentFrameBuffer+DISPLAY_BUFFER_SIZE); src++, dest++) {
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*dest = *src;
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}
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}
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void lcdRefresh()
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{
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LCD_SetTransparency(255);
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if (CurrentLayer == LCD_BACKGROUND_LAYER)
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LCD_SetLayer(LCD_FOREGROUND_LAYER);
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if (CurrentLayer == LCD_FIRST_LAYER)
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LCD_SetLayer(LCD_SECOND_LAYER);
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else
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LCD_SetLayer(LCD_BACKGROUND_LAYER);
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LCD_SetLayer(LCD_FIRST_LAYER);
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LCD_SetTransparency(0);
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}
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