537 lines
19 KiB
C++
537 lines
19 KiB
C++
#include "../../opentx.h"
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#define HBP 42
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#define VBP 12
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#define HSW 2
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#define VSW 10
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#define HFP 3
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#define VFP 2
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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_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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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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static void LCD_AF_GPIOConfig(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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/* GPIOs Configuration */
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/*
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+------------------------+-----------------------+----------------------------+
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+ LCD pins assignment +
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+------------------------+-----------------------+----------------------------
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| | LCD_TFT G2 <-> PJ.09 | |
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| LCD_TFT R3 <-> PJ.02 | LCD_TFT G3 <-> PJ.10 | LCD_TFT B3 <-> PJ.15 |
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| LCD_TFT R4 <-> PJ.03 | LCD_TFT G4 <-> PJ.11 | LCD_TFT B4 <-> PK.03 |
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| LCD_TFT R5 <-> PJ.04 | LCD_TFT G5 <-> PK.00 | LCD_TFT B5 <-> PK.04 |
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| LCD_TFT R6 <-> PJ.05 | LCD_TFT G6 <-> PK.01 | LCD_TFT B6 <-> PK.05 |
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| LCD_TFT R7 <-> PJ.06 | LCD_TFT G7 <-> PK.02 | LCD_TFT B7 <-> PK.06 |
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-------------------------------------------------------------------------------
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| LCD_TFT HSYNC <-> PI.12 | LCDTFT VSYNC <-> PI.13 |
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| LCD_TFT CLK <-> PI.14 | LCD_TFT DE <-> PK.07 ///
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-----------------------------------------------------
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|LCD_TFT backlight <-> PA.04| LCD_CS <-> PI.10 |LCD_SCK<->PI.11
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-----------------------------------------------------
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*/
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/*GPIOI configuration*/
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GPIO_PinAFConfig(GPIOI,GPIO_PinSource12,GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOI,GPIO_PinSource13,GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOI,GPIO_PinSource14,GPIO_AF_LTDC);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14;
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GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode =GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_OType =GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd =GPIO_PuPd_NOPULL;
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GPIO_Init(GPIOI,&GPIO_InitStructure);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource7, GPIO_AF_LTDC);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
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GPIO_Init(GPIOK, &GPIO_InitStructure);
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/* GPIOJ configuration */
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource2, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource3, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource4, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource5, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource6, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource9, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource10, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource11, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOJ, GPIO_PinSource15, GPIO_AF_LTDC);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | \
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GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_15;
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GPIO_Init(GPIOJ, &GPIO_InitStructure);
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/* GPIOK configuration */
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource0, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource1, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource2, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource3, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource4, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource5, GPIO_AF_LTDC);
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GPIO_PinAFConfig(GPIOK, GPIO_PinSource6, GPIO_AF_LTDC);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 ;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(GPIOK, &GPIO_InitStructure);
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}
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static void LCD_Backlight_Config(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = LCD_GPIO_PIN_BL;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(LCD_GPIO_BL, &GPIO_InitStructure);
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GPIO_PinAFConfig(LCD_GPIO_BL, LCD_GPIO_PinSource_BL, LCD_GPIO_AF_BL);
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}
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static void LCD_NRSTConfig(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = LCD_GPIO_PIN_NRST;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(LCD_GPIO_NRST, &GPIO_InitStructure);
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}
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static void delay3(uint32_t nCount)
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{
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uint32_t index = 0;
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for(index = (1000 * 100 * nCount); index != 0; --index)
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{
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__asm("nop\n");
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}
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}
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static void lcd_reset(void)
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{
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NRST_HIGH();
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delay3(1);
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NRST_LOW(); // RESET();
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delay3(20);
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NRST_HIGH();
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delay3(30);
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}
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void LCD_Init_LTDC(void)
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{
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LTDC_InitTypeDef LTDC_InitStruct;
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/* Configure PLLSAI prescalers for LCD */
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/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */
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/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAI_N = 192 Mhz */
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/* PLLLCDCLK = PLLSAI_VCO Output/PLL_LTDC = 192/3 = 64 Mhz */
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/* LTDC clock frequency = PLLLCDCLK / RCC_PLLSAIDivR = 64/4 = 16 Mhz */
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//second pam is for audio
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//third pam is for LCD
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RCC_PLLSAIConfig(192, 6, 3);
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RCC_LTDCCLKDivConfig(RCC_PLLSAIDivR_Div4); //Modify by Fy
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/* Enable PLLSAI Clock */
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RCC_PLLSAICmd(ENABLE);
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/* Wait for PLLSAI activation */
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while(RCC_GetFlagStatus(RCC_FLAG_PLLSAIRDY) == RESET)
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{
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}
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/* LTDC Configuration *********************************************************/
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/* Polarity configuration */
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/* Initialize the horizontal synchronization polarity as active low */
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LTDC_InitStruct.LTDC_HSPolarity = LTDC_HSPolarity_AL;
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/* Initialize the vertical synchronization polarity as active low */
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LTDC_InitStruct.LTDC_VSPolarity = LTDC_VSPolarity_AL;
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/* Initialize the data enable polarity as active low */
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LTDC_InitStruct.LTDC_DEPolarity = LTDC_DEPolarity_AL;
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/* Initialize the pixel clock polarity as input pixel clock */
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LTDC_InitStruct.LTDC_PCPolarity = LTDC_PCPolarity_IPC;
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/* Configure R,G,B component values for LCD background color */
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LTDC_InitStruct.LTDC_BackgroundRedValue = 0;
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LTDC_InitStruct.LTDC_BackgroundGreenValue = 0;
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LTDC_InitStruct.LTDC_BackgroundBlueValue = 0;
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/* Configure horizontal synchronization width */
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LTDC_InitStruct.LTDC_HorizontalSync = HSW;
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/* Configure vertical synchronization height */
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LTDC_InitStruct.LTDC_VerticalSync = VSW;
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/* Configure accumulated horizontal back porch */
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LTDC_InitStruct.LTDC_AccumulatedHBP = HBP;
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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_W + HBP;
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/* Configure accumulated active height */
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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_W + HBP + HFP;
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/* Configure total height */
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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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#if 0
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LTDC_ITConfig(LTDC_IER_LIE, ENABLE);
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NVIC_InitTypeDef NVIC_InitStructure;
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NVIC_InitStructure.NVIC_IRQChannel = LTDC_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = LTDC_IRQ_PRIO;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; /* Not used as 4 bits are used for the pr e-emption priority. */;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init( &NVIC_InitStructure );
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DMA2D_ITConfig(DMA2D_CR_TCIE, ENABLE);
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NVIC_InitStructure.NVIC_IRQChannel = DMA2D_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = DMA_SCREEN_IRQ_PRIO;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; /* Not used as 4 bits are used for the pr e-emption priority. */;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init( &NVIC_InitStructure );
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DMA2D->IFCR = (unsigned long)DMA2D_IFSR_CTCIF;
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#endif
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}
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/**
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* @brief Initializes the LCD Layers.
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* @param None
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* @retval None
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*/
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void LCD_LayerInit()
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{
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LTDC_Layer_InitTypeDef LTDC_Layer_InitStruct;
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/* Windowing configuration */
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/* In this case all the active display area is used to display a picture then :
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Horizontal start = horizontal synchronization + Horizontal back porch = 30
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Horizontal stop = Horizontal start + window width -1 = 30 + 240 -1
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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_W + HBP);
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LTDC_Layer_InitStruct.LTDC_VerticalStart = VBP + 1;;
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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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/* Alpha constant (255 totally opaque) */
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LTDC_Layer_InitStruct.LTDC_ConstantAlpha = 255;
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/* Default Color configuration (configure A,R,G,B component values) */
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LTDC_Layer_InitStruct.LTDC_DefaultColorBlue = 0;
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LTDC_Layer_InitStruct.LTDC_DefaultColorGreen = 0;
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LTDC_Layer_InitStruct.LTDC_DefaultColorRed = 0;
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LTDC_Layer_InitStruct.LTDC_DefaultColorAlpha = 0;
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/* Configure blending factors */
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LTDC_Layer_InitStruct.LTDC_BlendingFactor_1 = LTDC_BlendingFactor1_CA;
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LTDC_Layer_InitStruct.LTDC_BlendingFactor_2 = LTDC_BlendingFactor2_CA;
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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_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_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_W * 2);
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/* Configure the number of lines */
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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_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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/* Configure Layer 2 */
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LTDC_Layer_InitStruct.LTDC_BlendingFactor_1 = LTDC_BlendingFactor1_PAxCA;
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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_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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/* LTDC configuration reload */
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LTDC_ReloadConfig(LTDC_IMReload);
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LTDC_LayerCmd(LTDC_Layer1, ENABLE);
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LTDC_LayerCmd(LTDC_Layer2, ENABLE);
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LTDC_ReloadConfig(LTDC_IMReload);
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/* dithering activation */
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LTDC_DitherCmd(ENABLE);
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}
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void LCD_ControlLight(uint16_t dutyCycle)
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{
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
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TIM_OCInitTypeDef TIM_OCInitStructure;
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uint16_t freq = LCD_BKLIGHT_PWM_FREQ;
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uint32_t temp = 0;
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temp = 1000000 / freq - 1;
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TIM_TimeBaseStructure.TIM_Prescaler = SystemCoreClock / 1000000 - 1 ;
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
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TIM_TimeBaseStructure.TIM_Period = temp;
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TIM_TimeBaseStructure.TIM_ClockDivision = 0;
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TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
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TIM_TimeBaseInit(TIM8, &TIM_TimeBaseStructure);
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unsigned long tempValue;
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tempValue = (unsigned long)divRoundClosest((temp+1)*(100-dutyCycle), dutyCycle);
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TIM_Cmd(TIM8, DISABLE);
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/* Channel 1 Configuration in PWM mode */
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TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
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TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
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TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
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TIM_OCInitStructure.TIM_Pulse = (uint32_t)tempValue;
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TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
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TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;
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TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
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TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Set;
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TIM_OC1Init(TIM8, &TIM_OCInitStructure);
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TIM_Cmd(TIM8, ENABLE);
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TIM_CtrlPWMOutputs(TIM8, ENABLE);
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}
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/*********************************output****************************************/
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/**
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* @brief Initializes the LCD.
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* @param None
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* @retval None
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*/
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void LCD_Init(void)
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{
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/* Reset the LCD --------------------------------------------------------*/
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LCD_NRSTConfig();
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lcd_reset();
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/* Configure the LCD Control pins */
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LCD_AF_GPIOConfig();
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LCD_Init_LTDC();
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//config backlight
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LCD_Backlight_Config();
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//Max Value
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LCD_ControlLight(100);
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}
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/**
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* @brief Sets the LCD Layer.
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* @param Layerx: specifies the Layer foreground or background.
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* @retval None
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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_FIRST_LAYER)
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{
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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_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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/**
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* @brief Configure the transparency.
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* @param transparency: specifies the transparency,
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* This parameter must range from 0x00 to 0xFF.
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* @retval None
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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_FIRST_LAYER) {
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LTDC_LayerAlpha(LTDC_Layer1, transparency);
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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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}
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void lcdInit(void)
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{
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/* Initialize the LCD */
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LCD_Init();
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LCD_LayerInit();
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/* Enable LCD display */
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LTDC_Cmd(ENABLE);
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/* Set Background layer */
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LCD_SetLayer(LCD_FIRST_LAYER);
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// lcdClear();
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LCD_SetTransparency(0);
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/* Set Foreground layer */
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LCD_SetLayer(LCD_SECOND_LAYER);
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lcdClear();
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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_W*y + x);
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uint8_t red = (0xF800 & color) >> 11;
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uint8_t blue = 0x001F & color;
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uint8_t green = (0x07E0 & color) >> 5;
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DMA2D_DeInit();
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DMA2D_InitTypeDef DMA2D_InitStruct;
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DMA2D_InitStruct.DMA2D_Mode = DMA2D_R2M;
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DMA2D_InitStruct.DMA2D_CMode = DMA2D_RGB565;
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DMA2D_InitStruct.DMA2D_OutputGreen = green;
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DMA2D_InitStruct.DMA2D_OutputBlue = blue;
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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_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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|
|
|
/* Start Transfer */
|
|
DMA2D_StartTransfer();
|
|
|
|
/* Wait for CTC Flag activation */
|
|
while (DMA2D_GetFlagStatus(DMA2D_FLAG_TC) == RESET);
|
|
}
|
|
|
|
void lcdDrawBitmapDMA(uint16_t x, uint16_t y, uint16_t w, uint16_t h, const uint8_t * bitmap)
|
|
{
|
|
uint32_t addr = CurrentFrameBuffer + 2*(LCD_W*y + x);
|
|
|
|
DMA2D_DeInit();
|
|
|
|
DMA2D_InitTypeDef DMA2D_InitStruct;
|
|
DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M;
|
|
DMA2D_InitStruct.DMA2D_CMode = DMA2D_RGB565;
|
|
DMA2D_InitStruct.DMA2D_OutputMemoryAdd = addr;
|
|
DMA2D_InitStruct.DMA2D_OutputGreen = 0;
|
|
DMA2D_InitStruct.DMA2D_OutputBlue = 0;
|
|
DMA2D_InitStruct.DMA2D_OutputRed = 0;
|
|
DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
|
|
DMA2D_InitStruct.DMA2D_OutputOffset = (LCD_W - w);
|
|
DMA2D_InitStruct.DMA2D_NumberOfLine = h;
|
|
DMA2D_InitStruct.DMA2D_PixelPerLine = w;
|
|
DMA2D_Init(&DMA2D_InitStruct);
|
|
|
|
DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
|
|
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
|
|
DMA2D_FG_InitStruct.DMA2D_FGMA = CONVERT_PTR_UINT(bitmap);
|
|
DMA2D_FG_InitStruct.DMA2D_FGO = 0;
|
|
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_RGB565;
|
|
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_MODE = NO_MODIF_ALPHA_VALUE;
|
|
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_VALUE = 0;
|
|
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
|
|
|
|
/* Start Transfer */
|
|
DMA2D_StartTransfer();
|
|
|
|
/* Wait for CTC Flag activation */
|
|
while (DMA2D_GetFlagStatus(DMA2D_FLAG_TC) == RESET);
|
|
}
|
|
|
|
void DMAcopy(void * src, void * dest, int len)
|
|
{
|
|
DMA2D_DeInit();
|
|
|
|
DMA2D_InitTypeDef DMA2D_InitStruct;
|
|
DMA2D_InitStruct.DMA2D_Mode = DMA2D_M2M;
|
|
DMA2D_InitStruct.DMA2D_CMode = DMA2D_RGB565;
|
|
DMA2D_InitStruct.DMA2D_OutputMemoryAdd = CONVERT_PTR_UINT(dest);
|
|
DMA2D_InitStruct.DMA2D_OutputGreen = 0;
|
|
DMA2D_InitStruct.DMA2D_OutputBlue = 0;
|
|
DMA2D_InitStruct.DMA2D_OutputRed = 0;
|
|
DMA2D_InitStruct.DMA2D_OutputAlpha = 0;
|
|
DMA2D_InitStruct.DMA2D_OutputOffset = 0;
|
|
DMA2D_InitStruct.DMA2D_NumberOfLine = LCD_H;
|
|
DMA2D_InitStruct.DMA2D_PixelPerLine = LCD_W;
|
|
DMA2D_Init(&DMA2D_InitStruct);
|
|
|
|
DMA2D_FG_InitTypeDef DMA2D_FG_InitStruct;
|
|
DMA2D_FG_StructInit(&DMA2D_FG_InitStruct);
|
|
DMA2D_FG_InitStruct.DMA2D_FGMA = CONVERT_PTR_UINT(src);
|
|
DMA2D_FG_InitStruct.DMA2D_FGO = 0;
|
|
DMA2D_FG_InitStruct.DMA2D_FGCM = CM_RGB565;
|
|
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_MODE = NO_MODIF_ALPHA_VALUE;
|
|
DMA2D_FG_InitStruct.DMA2D_FGPFC_ALPHA_VALUE = 0;
|
|
DMA2D_FGConfig(&DMA2D_FG_InitStruct);
|
|
|
|
/* Start Transfer */
|
|
DMA2D_StartTransfer();
|
|
|
|
/* Wait for CTC Flag activation */
|
|
while (DMA2D_GetFlagStatus(DMA2D_FLAG_TC) == RESET);
|
|
}
|
|
|
|
void lcdStoreBackupBuffer()
|
|
{
|
|
uint16_t * src = (uint16_t *)CurrentFrameBuffer, * dest = (uint16_t *)LCD_BACKUP_FRAME_BUFFER;
|
|
DMAcopy(src, dest, DISPLAY_BUFFER_SIZE);
|
|
}
|
|
|
|
void lcdRestoreBackupBuffer()
|
|
{
|
|
uint16_t * dest = (uint16_t *)CurrentFrameBuffer, * src = (uint16_t *)LCD_BACKUP_FRAME_BUFFER;
|
|
DMAcopy(src, dest, DISPLAY_BUFFER_SIZE);
|
|
}
|
|
|
|
void lcdRefresh()
|
|
{
|
|
LCD_SetTransparency(255);
|
|
if (CurrentLayer == LCD_FIRST_LAYER)
|
|
LCD_SetLayer(LCD_SECOND_LAYER);
|
|
else
|
|
LCD_SetLayer(LCD_FIRST_LAYER);
|
|
LCD_SetTransparency(0);
|
|
}
|