1224 lines
29 KiB
C
1224 lines
29 KiB
C
/***
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*****************************************************************************************
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* @file lcd.c
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* @brief 使用STM32F29本身的控制器驱动液晶屏，一下代码移植于官方 STM32F429I_DISCOVERY
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* 实验板的例程，并作出相应的修改
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*****************************************************************************************
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*
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*
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*
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*
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******************************************************************************************
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***/
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#include "lcd_rgb.h"
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#include "mymem.h"
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// 函数：IO口初始化
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//
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void LCD_GPIO_Config(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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RCC_AHB1PeriphClockCmd( LCD_GPIO_CLK,ENABLE);
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GPIO_InitStruct.GPIO_Pin = LTDC_R0_PIN;
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GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz;
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GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_UP;
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// LCD 颜色 R 引脚配置
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GPIO_PinAFConfig(LTDC_R0_PORT, LTDC_R0_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_R1_PORT, LTDC_R1_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_R2_PORT, LTDC_R2_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_R3_PORT, LTDC_R3_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_R4_PORT, LTDC_R4_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_R5_PORT, LTDC_R5_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_R6_PORT, LTDC_R6_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_R7_PORT, LTDC_R7_PINSOURCE, GPIO_AF_LTDC);
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GPIO_InitStruct.GPIO_Pin = LTDC_R0_PIN;
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GPIO_Init(LTDC_R0_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_R1_PIN;
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GPIO_Init(LTDC_R1_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_R2_PIN;
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GPIO_Init(LTDC_R2_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_R3_PIN;
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GPIO_Init(LTDC_R3_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_R4_PIN;
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GPIO_Init(LTDC_R4_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_R5_PIN;
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GPIO_Init(LTDC_R5_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_R6_PIN;
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GPIO_Init(LTDC_R6_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_R7_PIN;
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GPIO_Init(LTDC_R7_PORT, &GPIO_InitStruct);
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// LCD 颜色 G 引脚配置
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GPIO_PinAFConfig(LTDC_G0_PORT, LTDC_G0_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_G1_PORT, LTDC_G1_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_G2_PORT, LTDC_G2_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_G3_PORT, LTDC_G3_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_G4_PORT, LTDC_G4_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_G5_PORT, LTDC_G5_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_G6_PORT, LTDC_G6_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_G7_PORT, LTDC_G7_PINSOURCE, GPIO_AF_LTDC);
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GPIO_InitStruct.GPIO_Pin = LTDC_G0_PIN;
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GPIO_Init(LTDC_G0_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_G1_PIN;
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GPIO_Init(LTDC_G1_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_G2_PIN;
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GPIO_Init(LTDC_G2_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_G3_PIN;
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GPIO_Init(LTDC_G3_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_G4_PIN;
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GPIO_Init(LTDC_G4_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_G5_PIN;
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GPIO_Init(LTDC_G5_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_G6_PIN;
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GPIO_Init(LTDC_G6_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_G7_PIN;
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GPIO_Init(LTDC_G7_PORT, &GPIO_InitStruct);
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// LCD 颜色 B 引脚配置
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GPIO_PinAFConfig(LTDC_B0_PORT, LTDC_B0_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_B1_PORT, LTDC_B1_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_B2_PORT, LTDC_B2_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_B3_PORT, LTDC_B3_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_B4_PORT, LTDC_B4_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_B5_PORT, LTDC_B5_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_B6_PORT, LTDC_B6_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_B7_PORT, LTDC_B7_PINSOURCE, GPIO_AF_LTDC);
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GPIO_InitStruct.GPIO_Pin = LTDC_B0_PIN;
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GPIO_Init(LTDC_B0_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_B1_PIN;
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GPIO_Init(LTDC_B1_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_B2_PIN;
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GPIO_Init(LTDC_B2_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_B3_PIN;
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GPIO_Init(LTDC_B3_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_B4_PIN;
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GPIO_Init(LTDC_B4_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_B5_PIN;
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GPIO_Init(LTDC_B5_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_B6_PIN;
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GPIO_Init(LTDC_B6_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_B7_PIN;
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GPIO_Init(LTDC_B7_PORT, &GPIO_InitStruct);
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//控制线
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GPIO_PinAFConfig(LTDC_CLK_PORT, LTDC_CLK_PINSOURCE, GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_HSYNC_PORT, LTDC_HSYNC_PINSOURCE,GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_VSYNC_PORT, LTDC_VSYNC_PINSOURCE,GPIO_AF_LTDC);
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GPIO_PinAFConfig(LTDC_DE_PORT, LTDC_DE_PINSOURCE, GPIO_AF_LTDC);
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GPIO_InitStruct.GPIO_Pin = LTDC_CLK_PIN;
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GPIO_Init(LTDC_CLK_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_HSYNC_PIN;
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GPIO_Init(LTDC_HSYNC_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_VSYNC_PIN;
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GPIO_Init(LTDC_VSYNC_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.GPIO_Pin = LTDC_DE_PIN;
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GPIO_Init(LTDC_DE_PORT, &GPIO_InitStruct);
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//背光
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GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStruct.GPIO_Pin = LTDC_Black_PIN;
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GPIO_Init(LTDC_Black_PORT, &GPIO_InitStruct);
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GPIO_SetBits(LTDC_Black_PORT,LTDC_Black_PIN);
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}
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void LCD_Backlight (u8 power)
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{
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if (power)
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{
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GPIO_SetBits(LTDC_Black_PORT,LTDC_Black_PIN);
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}
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else
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{
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GPIO_ResetBits(LTDC_Black_PORT,LTDC_Black_PIN);
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}
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}
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static u32* LCD_ADDR =((u32*)(LCD_MemoryAdd + LCD_MemoryAdd_OFFSET*0));
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static u32* LCD_ADDR1 =((u32*)(LCD_MemoryAdd + LCD_MemoryAdd_OFFSET*1));
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#define LCD_ADDR_BUFF0 ((u32)(LCD_MemoryAdd + (uint32_t)LCD_Width*LCD_Height*4*0))
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#define LCD_ADDR_BUFF1 ((u32)(LCD_MemoryAdd + (uint32_t)LCD_Width*LCD_Height*4*1))
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#define LCD_ADDR_BUFF2 ((u32)(LCD_MemoryAdd + (uint32_t)LCD_Width*LCD_Height*4*2))
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const static u32 g_lcdAddrTable[3]=
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{
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(u32)LCD_ADDR_BUFF0,
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(u32)LCD_ADDR_BUFF1,
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(u32)LCD_ADDR_BUFF2,
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};
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static LCD_Struct g_lcd={0};
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// 函数：初始化LCD控制器
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// 说明：在emWin初始化里被调用
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//
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void LCD_Init(void)
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{
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u16 LCD_PLLSAIN = 0; //用于倍频的PLLSAIN参数，可取范围为50~432
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u8 LCD_PLLSAIR = 3; //用于分频的PLLSAIR参数，可取范围为2~7
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u8 LCD_CLKDIV = 8; //LCD时钟分频参数，默认设置为8分频，数值上等于RCC_PLLSAIDivR_Div8
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LTDC_InitTypeDef LTDC_InitStruct;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_LTDC, ENABLE);
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2D, ENABLE);
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LCD_GPIO_Config(); //初始化LCD引脚
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LCD_PLLSAIN = LCD_CLK * LCD_PLLSAIR * LCD_CLKDIV; //根据需要使用的LCD时钟计算PLLSAIN参数，可取范围为50~432
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RCC_PLLSAIConfig(LCD_PLLSAIN,7,LCD_PLLSAIR); //时钟配置
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RCC_LTDCCLKDivConfig(RCC_PLLSAIDivR_Div8); //LCD时钟分频设置，要和LCD_CLKDIV对应
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RCC_PLLSAICmd(ENABLE); //使能PLLSAI时钟
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while(RCC_GetFlagStatus(RCC_FLAG_PLLSAIRDY) == RESET); //等待时钟配置完成
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LTDC_InitStruct.LTDC_HSPolarity = LTDC_HSPolarity_AL;
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LTDC_InitStruct.LTDC_VSPolarity = LTDC_VSPolarity_AL;
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LTDC_InitStruct.LTDC_DEPolarity = LTDC_DEPolarity_AL;
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LTDC_InitStruct.LTDC_PCPolarity = LTDC_PCPolarity_IPC;
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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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LTDC_InitStruct.LTDC_HorizontalSync =HSW;
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LTDC_InitStruct.LTDC_VerticalSync = VSW;
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LTDC_InitStruct.LTDC_AccumulatedHBP =HBP;
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LTDC_InitStruct.LTDC_AccumulatedVBP = VBP;
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LTDC_InitStruct.LTDC_AccumulatedActiveW = LCD_Width+HBP;
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LTDC_InitStruct.LTDC_AccumulatedActiveH = LCD_Height+VBP;
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LTDC_InitStruct.LTDC_TotalWidth =LCD_Width + HBP + HFP;
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LTDC_InitStruct.LTDC_TotalHeigh =LCD_Height + VBP + VFP;
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LTDC_Init(<DC_InitStruct); //初始化LCD控制器
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LTDC_ITConfig (LTDC_IT_LI,ENABLE);
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NVIC_SetPriority(LTDC_IRQn, 0);
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NVIC_EnableIRQ(LTDC_IRQn);
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LTDC_Cmd(ENABLE); //使能LCD控制器
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LCD_LayerInit();
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g_lcd.x_size = LCD_Width;
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g_lcd.y_size = LCD_Height;
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g_lcd.show = (u16 *)g_lcdAddrTable[0];
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g_lcd.draw = (u16 *)g_lcdAddrTable[1];
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LCD_SetWindow(0, 0, g_lcd.x_size, g_lcd.y_size);
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g_lcd.bkColor = 0x0;
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}
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// 函数：LCD层设置初始化
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//
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void LCD_LayerInit(void)
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{
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LTDC_Layer_InitTypeDef LTDC_Layer_InitStruct;
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LTDC_Layer_InitStruct.LTDC_HorizontalStart = HBP + 1;
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LTDC_Layer_InitStruct.LTDC_HorizontalStop = (LCD_Width + HBP);
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LTDC_Layer_InitStruct.LTDC_VerticalStart = VBP + 1;
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LTDC_Layer_InitStruct.LTDC_VerticalStop = (LCD_Height + VBP);
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//LTDC_Layer_InitStruct.LTDC_PixelFormat = LTDC_Pixelformat_ARGB8888; //像素格式设置
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LTDC_Layer_InitStruct.LTDC_PixelFormat = LTDC_Pixelformat_RGB565; //像素格式设置
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LTDC_Layer_InitStruct.LTDC_ConstantAlpha = 255;
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LTDC_Layer_InitStruct.LTDC_DefaultColorBlue = 0; // 默认的颜色
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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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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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LTDC_Layer_InitStruct.LTDC_CFBLineNumber = LCD_Height; //显示区域的行数
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LTDC_Layer_InitStruct.LTDC_CFBStartAdress = LCD_MemoryAdd; //第一层的起始地址
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//这里ARGB8888和RGB888使用相同的计算方式
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{
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// LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((LCD_Width * 4) + 3); //每行的像素占的总字节数
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// LTDC_Layer_InitStruct.LTDC_CFBPitch = (LCD_Width * 4); //行间距，某像素的起始处到下一行的起始处的增量
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LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((LCD_Width * 2) + 3); //每行的像素占的总字节数
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LTDC_Layer_InitStruct.LTDC_CFBPitch = (LCD_Width * 2); //行间距，某像素的起始处到下一行的起始处的增量
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}
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LTDC_LayerInit(LTDC_Layer1, <DC_Layer_InitStruct); //初始化层1
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LTDC_LayerCmd(LTDC_Layer1, ENABLE); //使能层1
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#if ( LCD_NUM_LAYERS == 2 ) //当定义了双层时
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LTDC_Layer_InitStruct.LTDC_PixelFormat = ColorMode_1; //像素格式设置
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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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LTDC_Layer_InitStruct.LTDC_CFBStartAdress = LCD_MemoryAdd + LCD_MemoryAdd_OFFSET; //层2的起始地址
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if( ColorMode_1 == LCD_RGB565 || ColorMode_1 == LCD_ARGB1555 ) //判断颜色格式
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{
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LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((LCD_Width * 2) + 3); //每行的像素占的总字节数
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LTDC_Layer_InitStruct.LTDC_CFBPitch = (LCD_Width * 2); //行间距，某像素的起始处到下一行的起始处的增量
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}
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else //这里ARGB8888和RGB888使用相同的计算方式
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{
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LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((LCD_Width * 4) + 3); //每行的像素占的总字节数
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LTDC_Layer_InitStruct.LTDC_CFBPitch = (LCD_Width * 4); //行间距，某像素的起始处到下一行的起始处的增量
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}
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LTDC_LayerInit(LTDC_Layer2, <DC_Layer_InitStruct); //初始化层2
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LTDC_LayerCmd(LTDC_Layer2, ENABLE); //使能层2
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#endif
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LTDC_ReloadConfig(LTDC_IMReload); //重新载入参数
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LTDC_DitherCmd(ENABLE); //使能颜色抖动，24位色必须打开，否则无法达到24位色的效果
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}
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void LTDC_ISR_Handler (void)
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{
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LTDC_ClearFlag (LTDC_FLAG_LI);
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if (g_lcd.LcdSwitchEn==1)
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{
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g_lcd.LcdSwitchEn=0;
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LTDC_Layer1->CFBAR =(u32 )g_lcd.show;
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LTDC->SRCR=1;
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}
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}
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static int LCD_UpDataWindow(void)
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{
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LCD_WindowStruct *win = &g_lcd.win;
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LCD_WindowStruct *draw = &g_lcd.realwin;
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int real = 1;
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if (win->xs >= 0 && win->xs < g_lcd.x_size)
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draw->xs = win->xs;
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else if (win->xs < 0)
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draw->xs = 0;
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else if (win->xs >= g_lcd.x_size)
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real = 0;//在显示区域外
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if (win->ys >= 0 && win->ys < g_lcd.y_size)
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draw->ys = win->ys;
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else if (win->ys < 0)
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draw->ys = 0;
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else if (win->ys >= g_lcd.y_size)
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real = 0;//在显示区域外
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if (win->xe >= 0 && win->xe < g_lcd.x_size)
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draw->xe = win->xe;
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else if (win->xe < 0)
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real = 0;//在显示区域外
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else if (win->xe>=g_lcd.x_size)
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draw->xe = g_lcd.x_size-1;
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if (win->ye >= 0 && win->ye < g_lcd.y_size)
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draw->ye = win->ye;
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else if (win->ye < 0)
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real = 0;//在显示区域外
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else if (win->ye >= g_lcd.y_size)
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draw->ye = g_lcd.y_size - 1;
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if ((win->xs > win->xe) || (win->ys > win->ye))
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real = 0;
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g_lcd.effective = real;
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return real;
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}
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//设置活动窗口
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void LCD_SetWindow (int x_s,int y_s,int x_size,int y_size)
|
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{
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g_lcd.win.xs = x_s;
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g_lcd.win.ys = y_s;
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g_lcd.win.xe = x_s + x_size - 1;
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g_lcd.win.ye = y_s + y_size - 1;
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||
LCD_UpDataWindow();
|
||
}
|
||
|
||
|
||
//int LCD_GetWindowSizeX (void)
|
||
//{
|
||
// return g_lcd_struct.WindowDstX-g_lcd_struct.WindowSrcX+1;
|
||
//}
|
||
|
||
//int LCD_GetWindowSizeY (void)
|
||
//{
|
||
// return g_lcd_struct.WindowDstY-g_lcd_struct.WindowSrcY+1;
|
||
//}
|
||
|
||
int LCD_GetLcdSizeX(void)
|
||
{
|
||
return LCD_Width;
|
||
}
|
||
|
||
int LCD_GetLcdSizeY (void)
|
||
{
|
||
return LCD_Height;
|
||
}
|
||
|
||
|
||
|
||
//获取图像显示地址
|
||
u32 *LCD_GetShowAddr (void)
|
||
{
|
||
uint32_t *ret=(u32*)LTDC_Layer1->CFBAR;
|
||
ret=(u32*)g_lcd.show;
|
||
return ret;
|
||
}
|
||
|
||
//获取图像绘制地址
|
||
u32 *LCD_GetDrawAddr (void)
|
||
{
|
||
uint32_t *ret=0;
|
||
ret=(u32*)g_lcd.draw;
|
||
return ret;
|
||
}
|
||
|
||
|
||
|
||
//设置屏幕显示地址,这个地址直接输出到屏幕上,返回上一个输出到屏幕的地址
|
||
u32 LCD_SetLayer (u32 AddrIndex)
|
||
{
|
||
uint32_t ret=LTDC_Layer1->CFBAR;
|
||
if (AddrIndex<3)
|
||
{
|
||
g_lcd.show=(u16 * )g_lcdAddrTable[AddrIndex];
|
||
LTDC_Layer1->CFBAR = g_lcdAddrTable[AddrIndex];
|
||
LTDC->SRCR=1;
|
||
}
|
||
for (int i=0;i<3;i++)
|
||
{
|
||
if (ret==g_lcdAddrTable[i])
|
||
{
|
||
ret=i;
|
||
break;
|
||
}
|
||
}
|
||
if (ret>=3) ret=0;
|
||
return ret;
|
||
}
|
||
|
||
//设置绘图地址，所有绘制操作在这个地址执行
|
||
u32 LCD_SetDrawLayer (u32 Index)
|
||
{
|
||
u32 ret=(u32)g_lcd.draw;
|
||
if (Index<3)
|
||
{
|
||
g_lcd.draw=(u16*)g_lcdAddrTable[Index];
|
||
}
|
||
for (int i=0;i<3;i++)
|
||
{
|
||
if (ret==g_lcdAddrTable[i])
|
||
{
|
||
ret=i;
|
||
break;
|
||
}
|
||
}
|
||
if (ret>=3) ret=0;
|
||
return ret;
|
||
}
|
||
|
||
|
||
u32 LCD_SetLcdColor (u32 color)
|
||
{
|
||
u32 ret=g_lcd.color;
|
||
//g_lcd_struct.Color=color;
|
||
g_lcd.color=COLOR888TO565(color);
|
||
return ret;
|
||
}
|
||
|
||
u32 LCD_SetLcdBkColor (u32 color)
|
||
{
|
||
u32 ret=g_lcd.bkColor;
|
||
//g_lcd_struct.BackColor=color;
|
||
ret=g_lcd.bkColor=COLOR888TO565(color);
|
||
return ret;
|
||
}
|
||
|
||
|
||
u32 LCD_SetLcdColor16 (u32 color)
|
||
{
|
||
u32 ret=g_lcd.color;
|
||
g_lcd.color=(color);
|
||
return ret;
|
||
}
|
||
|
||
u32 LCD_SetLcdBkColor16 (u32 color)
|
||
{
|
||
u32 ret=ret=g_lcd.bkColor;
|
||
ret=g_lcd.bkColor=(color);
|
||
return ret;
|
||
}
|
||
|
||
|
||
u32 LCD_GetLcdColor (void)
|
||
{
|
||
u32 ret=g_lcd.color;
|
||
return COLOR565TO888(ret);
|
||
}
|
||
|
||
u32 LCD_GetLcdBkColor (void)
|
||
{
|
||
u32 ret=g_lcd.bkColor;
|
||
return COLOR565TO888(ret);
|
||
}
|
||
|
||
|
||
u32 LCD_GetLcdColor16 (void)
|
||
{
|
||
u32 ret=g_lcd.color;
|
||
return ret;
|
||
}
|
||
|
||
u32 LCD_GetLcdBkColor16 (void)
|
||
{
|
||
u32 ret=g_lcd.bkColor;
|
||
return ret;
|
||
}
|
||
|
||
|
||
//设置绘制模式，1，不绘制背景，0，绘制背景
|
||
void LCD_SetLcdDrawMode (int mode)
|
||
{
|
||
if (mode)
|
||
{
|
||
//g_lcd.DrawMode=1;//此时调用画点函数时不绘制背景色
|
||
}
|
||
else
|
||
{
|
||
//g_lcd.DrawMode=0;
|
||
}
|
||
}
|
||
|
||
|
||
|
||
static void LCD_DmaCopy(void * pSrc, void * pDst, uint32_t x_size,uint32_t y_size)
|
||
{
|
||
DMA2D_DeInit();
|
||
/* Set up mode */
|
||
|
||
DMA2D->CR = 0x00010000UL | (1 << 9); /* Control Register (Memory to memory with pixel format conversion and TCIE) */
|
||
|
||
/* Set up pointers */
|
||
DMA2D->FGMAR = (uint32_t)pSrc; /* Foreground Memory Address Register (Source address) */
|
||
DMA2D->OMAR = (uint32_t)pDst; /* Output Memory Address Register (Destination address) */
|
||
|
||
/* Set up offsets */
|
||
DMA2D->FGOR = 0; /* Foreground Offset Register (Source line offset) */
|
||
DMA2D->OOR = 0; /* Output Offset Register (Destination line offset) */
|
||
|
||
/* Set up pixel format */
|
||
DMA2D->FGPFCCR = LTDC_Pixelformat_RGB565; /* Foreground PFC Control Register (Defines the input pixel format) */
|
||
DMA2D->OPFCCR = LTDC_Pixelformat_RGB565; /* Output PFC Control Register (Defines the output pixel format) */
|
||
|
||
/* Set up size */
|
||
DMA2D->NLR = (uint32_t)(x_size << 16) | y_size; /* Number of Line Register (Size configuration of area to be transfered) */
|
||
|
||
/* Execute operation */
|
||
DMA2D->CR |= DMA2D_CR_START;
|
||
|
||
while (DMA2D->CR & DMA2D_CR_START)
|
||
{
|
||
}
|
||
}
|
||
|
||
|
||
|
||
static void LCD_FillColor(void * pDst, int x,int y, int x_size,int y_size,u32 color)
|
||
{
|
||
DMA2D_DeInit();
|
||
|
||
DMA2D->OPFCCR = DMA2D_RGB565;
|
||
|
||
|
||
DMA2D->CR = DMA2D_R2M;
|
||
DMA2D->OCOLR = color;
|
||
DMA2D->OMAR = (u32)pDst+(y*LCD_Width+x)*2;
|
||
DMA2D->OOR = LCD_Width-x_size;
|
||
DMA2D->NLR = (x_size<<16)|y_size;
|
||
|
||
|
||
/* Execute operation */
|
||
DMA2D->CR |= DMA2D_CR_START;
|
||
|
||
while (DMA2D->CR & DMA2D_CR_START)
|
||
{
|
||
}
|
||
}
|
||
|
||
|
||
void LCD_FillImg(const u16 *pSurf,int x,int y,u16 w,u16 h,int width_bytes,const u8 *bits)
|
||
{
|
||
|
||
DMA2D_DeInit();
|
||
|
||
DMA2D->OPFCCR = DMA2D_RGB565;
|
||
|
||
DMA2D->CR = DMA2D_M2M;
|
||
|
||
DMA2D->OMAR = (u32)pSurf+(y*LCD_Width+x)*2;
|
||
DMA2D->OOR = LCD_Width-w;
|
||
|
||
DMA2D->NLR = (w<<16)|h;
|
||
|
||
DMA2D->FGPFCCR = CM_RGB565;
|
||
DMA2D->FGMAR = (u32)bits;
|
||
DMA2D->FGOR = (width_bytes>>1)-w;
|
||
|
||
|
||
/* Execute operation */
|
||
DMA2D->CR |= DMA2D_CR_START;
|
||
|
||
while (DMA2D->CR & DMA2D_CR_START)
|
||
{
|
||
}
|
||
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
//层复制
|
||
void LCD_LayerCopy (int dst,int src)
|
||
{
|
||
u32 *p_dst=0;
|
||
u32 *p_src=0;
|
||
if ((dst<3)&&(src<3))
|
||
{
|
||
p_dst=(u32 *)g_lcdAddrTable[dst];
|
||
p_src=(u32 *)g_lcdAddrTable[src];
|
||
// for (int i=0;i<LCD_Pixels;i++)
|
||
// {
|
||
// p_dst[i]=p_src[i];
|
||
// }
|
||
LCD_DmaCopy (p_src,p_dst,LCD_Width,LCD_Height);
|
||
}
|
||
}
|
||
|
||
//开始在缓冲区绘制
|
||
void LCD_LayerBufferOn (void)
|
||
{
|
||
//为了兼容以前的窗口，保留这个空函数，2019.12.26
|
||
}
|
||
|
||
//显示缓冲层
|
||
void LCD_LayerBuffShow (void)
|
||
{
|
||
//为了兼容以前的窗口，保留这个空函数，2019.12.26
|
||
}
|
||
|
||
|
||
//进入缓冲区
|
||
void LCD_EnterLayerBuff (void)
|
||
{
|
||
if (g_lcd.LayerBuffEnter!=0) return;
|
||
g_lcd.LayerBuffEnter++;
|
||
|
||
//while(LCD_GetLayerUpdataStat()==0);
|
||
if (g_lcd.LcdSwitchEn==1)
|
||
{
|
||
//如果上次更改还没来得及刷新，不刷新了，这次更改之后一起刷新
|
||
//如果应用程序中屏幕刷新太快，会造成丢帧
|
||
g_lcd.LcdSwitchEn=0;
|
||
}
|
||
else
|
||
{
|
||
//刷新了之后，lcd显示区和绘图区是同一段内存，需要错开
|
||
if ((u32)g_lcd.show==g_lcdAddrTable[0])
|
||
{
|
||
g_lcd.draw=(u16*)g_lcdAddrTable[1];
|
||
LCD_LayerCopy(1,0);
|
||
}
|
||
else if ((u32)g_lcd.show==g_lcdAddrTable[1])
|
||
{
|
||
g_lcd.draw=(u16*)g_lcdAddrTable[0];
|
||
LCD_LayerCopy(0,1);
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
//切换层，不用复制显示，播放视频时用
|
||
void LCD_SwitchLayerBuff (void)
|
||
{
|
||
if (g_lcd.LayerBuffEnter!=0) return;
|
||
g_lcd.LayerBuffEnter++;
|
||
if (g_lcd.LcdSwitchEn==1)
|
||
{
|
||
//如果上次更改还没来得及刷新，不刷新了，这次更改之后一起刷新
|
||
//如果应用程序中屏幕刷新太快，会造成丢帧
|
||
g_lcd.LcdSwitchEn=0;
|
||
}
|
||
else
|
||
{
|
||
//刷新了之后，lcd显示区和绘图区是同一段内存，需要错开
|
||
if ((u32)g_lcd.show==g_lcdAddrTable[0])
|
||
{
|
||
g_lcd.draw=(u16*)g_lcdAddrTable[1];
|
||
}
|
||
else if ((u32)g_lcd.show==g_lcdAddrTable[1])
|
||
{
|
||
g_lcd.draw=(u16*)g_lcdAddrTable[0];
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
//退出缓冲区
|
||
void LCD_ExitLayerBuff (void)
|
||
{
|
||
g_lcd.show=g_lcd.draw;
|
||
g_lcd.LcdSwitchEn=1;
|
||
g_lcd.LayerBuffEnter=0;
|
||
}
|
||
|
||
|
||
|
||
//获取屏幕刷新状态，1，已刷新
|
||
int LCD_GetLayerUpdataStat (void)
|
||
{
|
||
return !g_lcd.LcdSwitchEn;
|
||
}
|
||
|
||
|
||
|
||
//填充一条线,以窗口的起点为起点，最大填充到窗口的终点位置
|
||
static void LCD_FillLine16(int x,int y, int xe,u16 *buff, int xsize)
|
||
{
|
||
if (g_lcd.effective == 0) return;
|
||
x += g_lcd.win.xs;
|
||
xe += g_lcd.win.xs;
|
||
if ((y < g_lcd.realwin.ys) || (y > g_lcd.realwin.ye)) return;
|
||
if ((x + xsize - 1 < g_lcd.realwin.xs) || x > g_lcd.realwin.xe) return;
|
||
int mx = x;
|
||
if (mx < g_lcd.realwin.xs) mx = g_lcd.realwin.xs;
|
||
buff += mx - x; xsize -= mx - x;
|
||
//不超过指定范围
|
||
// if (mx + xsize - 1 > xe) xsize=xe - mx + 1;
|
||
if (xsize>g_lcd.realwin.xe-mx+1) xsize=g_lcd.realwin.xe-mx+1;
|
||
for (int i = 0; i < xsize; i++)
|
||
g_lcd.draw[mx+y*g_lcd.x_size + i] = (buff[i]);
|
||
}
|
||
|
||
|
||
//把图像填充到屏幕的活动窗口中，
|
||
//参数xsize,图像的宽度
|
||
//参数ysize,图像的高度
|
||
static void LCD_FillRect16(int xs,int ys,int xe,int ye,u16 *buff, int xsize, int ysize)
|
||
{
|
||
ys += g_lcd.win.ys;
|
||
ye += g_lcd.win.ys;
|
||
xs += g_lcd.win.xs;
|
||
xe += g_lcd.win.xs;
|
||
|
||
// for (int y = ys; y<=ye; y++)
|
||
// {
|
||
// LCD_FillLine16( xs,y,xe,buff, xsize);
|
||
// buff += xsize;
|
||
// }
|
||
if(ye<g_lcd.realwin.ys||ys>g_lcd.realwin.ye) return;
|
||
if(xe<g_lcd.realwin.xs||xs>g_lcd.realwin.xe) return;
|
||
|
||
if(ys<g_lcd.realwin.ys)
|
||
{
|
||
buff+=(g_lcd.realwin.ys-ys)*xsize;
|
||
ysize-=g_lcd.realwin.ys-ys;
|
||
if(ysize<0) return;
|
||
ys=g_lcd.realwin.ys;
|
||
}
|
||
if(xs<g_lcd.realwin.xs)
|
||
{
|
||
buff+=(g_lcd.realwin.xs-xs);
|
||
xsize-=g_lcd.realwin.xs-xs;
|
||
if(xsize<0) return;
|
||
xs=g_lcd.realwin.xs;
|
||
}
|
||
|
||
int lcd_xsize=xe-xs+1;
|
||
if (lcd_xsize>xsize) lcd_xsize=xsize;
|
||
if(ysize>ye-ys+1) ysize=ye-ys+1;
|
||
if(lcd_xsize>0&&ysize>0)
|
||
LCD_FillImg(g_lcd.draw,xs,ys,lcd_xsize,ysize,xsize*2,(u8*)buff);
|
||
//DMA2D_DrawBitmap_RGB565(LCD_GetDrawAddr(),g_lcd_struct.WindowSrcX,g_lcd_struct.WindowSrcY,lcd_xsize,ysize,xsize*2,(u8*)buff);
|
||
}
|
||
|
||
//把图像偏移之后填充到屏幕的活动窗口中，
|
||
//参数x_s,图像要显示的横向起始坐标
|
||
//参数y_s，图像要显示的纵向起始坐标
|
||
//参数xsize,图像的宽度
|
||
//参数ysize,图像的高度
|
||
static void LCD_FillRectOff16(int xs,int ys,int xe,int ye,u16 *buff, int x_s, int y_s, int xsize, int ysize)
|
||
{
|
||
//图像偏移
|
||
int offset = y_s*xsize + x_s;
|
||
//图像相对屏幕偏移
|
||
//offset += xs + ys*xsize;
|
||
LCD_FillRect16(xs,ys,xe,ye,buff + offset, xsize, ysize - y_s);
|
||
}
|
||
|
||
|
||
void LCD_FillRectOff16At(int lcd_xs, int lcd_ys, int lcd_xsize, int lcd_ysize, u16 *buff, int xs, int ys, int xsize, int ysize)
|
||
{
|
||
//绘图
|
||
LCD_FillRectOff16(lcd_xs,lcd_ys,lcd_xs+lcd_xsize-1,lcd_ys+lcd_ysize-1,buff, xs, ys, xsize, ysize);
|
||
}
|
||
|
||
|
||
|
||
static int LCD_FillImg_ARGB(const void *pSurf,int x,int y,u16 w,u16 h,int width_bytes,const u8 *bits,u32 color_format);
|
||
|
||
|
||
//把图像填充到屏幕的活动窗口中，
|
||
//参数xsize,图像的宽度
|
||
//参数ysize,图像的高度
|
||
static void LCD_FillRectAlpha(int xs,int ys,int xe,int ye,u32 *buff, int xsize, int ysize)
|
||
{
|
||
ys += g_lcd.win.ys;
|
||
ye += g_lcd.win.ys;
|
||
xs += g_lcd.win.xs;
|
||
xe += g_lcd.win.xs;
|
||
|
||
if(ye<g_lcd.realwin.ys||ys>g_lcd.realwin.ye) return;
|
||
if(xe<g_lcd.realwin.xs||xs>g_lcd.realwin.xe) return;
|
||
|
||
if(ys<g_lcd.realwin.ys)
|
||
{
|
||
buff+=(g_lcd.realwin.ys-ys)*xsize;
|
||
ysize-=g_lcd.realwin.ys-ys;
|
||
if(ysize<0) return;
|
||
ys=g_lcd.realwin.ys;
|
||
}
|
||
if(xs<g_lcd.realwin.xs)
|
||
{
|
||
buff+=(g_lcd.realwin.xs-xs);
|
||
xsize-=g_lcd.realwin.xs-xs;
|
||
if(xsize<0) return;
|
||
xs=g_lcd.realwin.xs;
|
||
}
|
||
|
||
int lcd_xsize=xe-xs+1;
|
||
if (lcd_xsize>xsize) lcd_xsize=xsize;
|
||
if(ysize>ye-ys+1) ysize=ye-ys+1;
|
||
if(lcd_xsize>0&&ysize>0)
|
||
LCD_FillImg_ARGB(g_lcd.draw,xs,ys,lcd_xsize,ysize,xsize*4,(u8*)buff,CM_ARGB8888);
|
||
}
|
||
|
||
|
||
|
||
static void LCD_FillRectOffAlpha(int xs,int ys,int xe,int ye,u32 *buff, int x_s, int y_s, int xsize, int ysize)
|
||
{
|
||
//图像偏移
|
||
int offset = y_s*xsize + x_s;
|
||
//图像相对屏幕偏移
|
||
//offset += xs + ys*xsize;
|
||
LCD_FillRectAlpha(xs,ys,xe,ye,buff + offset, xsize, ysize - y_s);
|
||
}
|
||
|
||
|
||
void LCD_FillRectOffAtAlpha(int lcd_xs, int lcd_ys, int lcd_xsize, int lcd_ysize, void *buff, int xs, int ys, int xsize, int ysize)
|
||
{
|
||
//绘图
|
||
LCD_FillRectOffAlpha(lcd_xs,lcd_ys,lcd_xs+lcd_xsize-1,lcd_ys+lcd_ysize-1,buff, xs, ys, xsize, ysize);
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
//画点，不会进行安全性检查，调用时要保证要画的点不会超出屏幕
|
||
//参数mode,1，画前景色，0，画背景色
|
||
void LCD_DrawPoint (int x,int y,u32 mode)
|
||
{
|
||
if (g_lcd.effective == 0) return;
|
||
x += g_lcd.win.xs;
|
||
y += g_lcd.win.ys;
|
||
if (x<g_lcd.realwin.xs || x>g_lcd.realwin.xe) return;
|
||
if (y<g_lcd.realwin.ys || y>g_lcd.realwin.ye) return;
|
||
if (mode)
|
||
g_lcd.draw[x + y*g_lcd.x_size] = g_lcd.color;
|
||
}
|
||
|
||
|
||
//安全画点，以屏幕窗口的坐标为原点，并且画点不会超出窗口范围
|
||
void LCD_DrawPointSafe (int x,int y,u32 mode)
|
||
{
|
||
if (g_lcd.effective == 0) return;
|
||
x += g_lcd.win.xs;
|
||
y += g_lcd.win.ys;
|
||
if (x<g_lcd.realwin.xs || x>g_lcd.realwin.xe) return;
|
||
if (y<g_lcd.realwin.ys || y>g_lcd.realwin.ye) return;
|
||
if (mode)
|
||
g_lcd.draw[x + y*g_lcd.x_size] = g_lcd.color;
|
||
}
|
||
|
||
|
||
|
||
//安全画点，以屏幕窗口的坐标为原点，并且画点不会超出窗口范围
|
||
//以指定颜色画点，而不是前景色
|
||
void LCD_DrawPointSafeColor (int x,int y,u16 color)
|
||
{
|
||
if (g_lcd.effective == 0) return;
|
||
x += g_lcd.win.xs;
|
||
y += g_lcd.win.ys;
|
||
if (x<g_lcd.realwin.xs || x>g_lcd.realwin.xe) return;
|
||
if (y<g_lcd.realwin.ys || y>g_lcd.realwin.ye) return;
|
||
g_lcd.draw[x + y*g_lcd.x_size] = (color);
|
||
}
|
||
|
||
|
||
|
||
//快速ALPHA BLENDING算法.
|
||
//src:源颜色
|
||
//dst:目标颜色
|
||
//alpha:透明程度(0~32)
|
||
//返回值:混合后的颜色.
|
||
static u16 alpha_blend565(u16 src,u16 dst,u8 alpha)
|
||
{
|
||
u32 src2;
|
||
u32 dst2;
|
||
//Convert to 32bit |-----GGGGGG-----RRRRR------BBBBB|
|
||
src2=((src<<16)|src)&0x07E0F81F;
|
||
dst2=((dst<<16)|dst)&0x07E0F81F;
|
||
//Perform blending R:G:B with alpha in range 0..32
|
||
//Note that the reason that alpha may not exceed 32 is that there are only
|
||
//5bits of space between each R:G:B value, any higher value will overflow
|
||
//into the next component and deliver ugly result.
|
||
dst2=((((dst2-src2)*alpha)>>5)+src2)&0x07E0F81F;
|
||
return (dst2>>16)|dst2;
|
||
}
|
||
|
||
|
||
//以指定色透明度画点0~32
|
||
void LCD_DrawPointSafeColorAlpha (int x,int y,u16 color,u8 alpha)
|
||
{
|
||
if (g_lcd.effective == 0) return;
|
||
if (alpha==0) return;
|
||
x += g_lcd.win.xs;
|
||
y += g_lcd.win.ys;
|
||
if (x<g_lcd.realwin.xs || x>g_lcd.realwin.xe) return;
|
||
if (y<g_lcd.realwin.ys || y>g_lcd.realwin.ye) return;
|
||
|
||
u32 color_old = g_lcd.draw[x + y*g_lcd.x_size];
|
||
color_old = (color_old);
|
||
color = alpha_blend565(color_old, color, alpha);
|
||
g_lcd.draw[x + y*g_lcd.x_size] = (color);
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
//填充矩形，已窗口坐标为原点
|
||
void LCD_FillRectByColor (int x,int y,int x_size,int y_size)
|
||
{
|
||
// for (int i=y;i<y+y_size;i++)
|
||
// {
|
||
// for (int j=x;j<x+x_size;j++)
|
||
// {
|
||
// LCD_DrawPointSafe (j,i,1);
|
||
// }
|
||
// }
|
||
|
||
if (g_lcd.effective == 0) return;
|
||
x += g_lcd.win.xs;
|
||
y += g_lcd.win.ys;
|
||
int xe=x+x_size-1;
|
||
int ye=y+y_size-1;
|
||
if (x<g_lcd.realwin.xs) x=g_lcd.realwin.xs;
|
||
if (y<g_lcd.realwin.ys) y=g_lcd.realwin.ys;
|
||
if (xe>g_lcd.realwin.xe) xe=g_lcd.realwin.xe;
|
||
if (ye>g_lcd.realwin.ye) ye=g_lcd.realwin.ye;
|
||
x_size=xe-x+1;
|
||
y_size=ye-y+1;
|
||
|
||
if(x_size<0||y_size<0) return ;
|
||
|
||
|
||
// LCD_FillImg_ARGB(LCD_GetDrawAddr(),x,y,x_size,y_size, x_size*4,fb,CM_ARGB8888);
|
||
|
||
LCD_FillColor(g_lcd.draw,x,y,x_size,y_size,g_lcd.color);
|
||
}
|
||
|
||
|
||
|
||
|
||
static int LCD_MemSet(const void *pSurf,u16 w,u16 h,u32 color)
|
||
{
|
||
|
||
DMA2D_DeInit();
|
||
DMA2D->OPFCCR = DMA2D_ARGB8888;
|
||
|
||
|
||
DMA2D->CR = DMA2D_R2M;
|
||
//DMA2D->OPFCCR = DMA2D_RGB565;
|
||
DMA2D->OCOLR = color;
|
||
DMA2D->OMAR = (u32)pSurf;
|
||
DMA2D->OOR = 0;
|
||
DMA2D->NLR = (w<<16)|h;
|
||
|
||
|
||
/* Execute operation */
|
||
DMA2D->CR |= DMA2D_CR_START;
|
||
|
||
while (DMA2D->CR & DMA2D_CR_START)
|
||
{
|
||
}
|
||
|
||
return 1;
|
||
|
||
}
|
||
|
||
|
||
|
||
static int LCD_FillImg_ARGB(const void *pSurf,int x,int y,u16 w,u16 h,int width_bytes,const u8 *bits,u32 color_format)
|
||
{
|
||
|
||
|
||
DMA2D_DeInit();
|
||
|
||
DMA2D->OPFCCR = DMA2D_RGB565;
|
||
DMA2D->BGPFCCR =CM_RGB565;
|
||
|
||
DMA2D->CR = DMA2D_M2M_BLEND;
|
||
DMA2D->OMAR = (u32)pSurf+(y*LCD_Width+x)*2;
|
||
DMA2D->OOR = LCD_Width-w;
|
||
|
||
DMA2D->NLR = (w<<16)|h;
|
||
|
||
DMA2D->BGMAR =DMA2D->OMAR;
|
||
DMA2D->BGOR =DMA2D->OOR;
|
||
|
||
DMA2D->FGPFCCR = NO_MODIF_ALPHA_VALUE|color_format;
|
||
DMA2D->FGMAR = (u32)bits;
|
||
|
||
switch(color_format)
|
||
{
|
||
case CM_ARGB4444:
|
||
DMA2D->FGOR = (width_bytes>>1)-w;
|
||
break;
|
||
case CM_ARGB8888:
|
||
DMA2D->FGOR = (width_bytes>>2)-w;
|
||
break;
|
||
default:
|
||
return 0;
|
||
}
|
||
|
||
////
|
||
|
||
/* Execute operation */
|
||
DMA2D->CR |= DMA2D_CR_START;
|
||
|
||
while (DMA2D->CR & DMA2D_CR_START)
|
||
{
|
||
}
|
||
return 1;
|
||
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
//以透明度填充矩形，已窗口坐标为原点
|
||
void LCD_FillRectByColorAlpha (int x,int y,int x_size,int y_size,u8 alpha)
|
||
{
|
||
// for (int i=y;i<y+y_size;i++)
|
||
// {
|
||
// for (int j=x;j<x+x_size;j++)
|
||
// {
|
||
// LCD_DrawPointSafeColorAlpha (j,i,g_lcd.color,alpha);
|
||
// }
|
||
// }
|
||
|
||
if (g_lcd.effective == 0) return;
|
||
x += g_lcd.win.xs;
|
||
y += g_lcd.win.ys;
|
||
int xe=x+x_size-1;
|
||
int ye=y+y_size-1;
|
||
if (x<g_lcd.realwin.xs) x=g_lcd.realwin.xs;
|
||
if (y<g_lcd.realwin.ys) y=g_lcd.realwin.ys;
|
||
if (xe>g_lcd.realwin.xe) xe=g_lcd.realwin.xe;
|
||
if (ye>g_lcd.realwin.ye) ye=g_lcd.realwin.ye;
|
||
x_size=xe-x+1;
|
||
y_size=ye-y+1;
|
||
|
||
if(x_size<0||y_size<0) return ;
|
||
|
||
u8 *fb=mymalloc(x_size*y_size*4);
|
||
LCD_MemSet(fb,x_size,y_size,COLOR565TO888(g_lcd.color)|(alpha<<(24+3)));
|
||
|
||
|
||
LCD_FillImg_ARGB(LCD_GetDrawAddr(),x,y,x_size,y_size, x_size*4,fb,CM_ARGB8888);
|
||
|
||
myfree(fb);
|
||
}
|
||
|
||
|
||
|
||
//求矩形在屏幕中的显示区域
|
||
static int LCD_RectIntersection(LCD_WindowStruct *out,int x,int y,int xsize,int ysize)
|
||
{
|
||
//取得新矩形的左上角
|
||
int x_s = g_lcd.realwin.xs;
|
||
int y_s = g_lcd.realwin.ys;
|
||
if (x_s<x)
|
||
x_s = x;
|
||
if (y_s<y)
|
||
y_s = y;
|
||
|
||
//取得新矩形的右下角
|
||
int x_e = g_lcd.realwin.xe;
|
||
int y_e = g_lcd.realwin.ye;
|
||
if (x_e>x + xsize - 1)
|
||
x_e = x + xsize - 1;
|
||
if (y_e>y + ysize - 1)
|
||
y_e = y + ysize - 1;
|
||
out->xs = x_s;
|
||
out->ys = y_s;
|
||
out->xe = x_e;
|
||
out->ye = y_e;
|
||
|
||
if ((y_e >= y_s) && (x_e >= x_s))
|
||
{
|
||
return 1;
|
||
}
|
||
else
|
||
{
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
//清除矩形内的显示
|
||
void LCD_ClearRect(int x, int y, int xsize, int ysize)
|
||
{
|
||
if (g_lcd.effective == 0) return;
|
||
x += g_lcd.win.xs;
|
||
y += g_lcd.win.ys;
|
||
LCD_WindowStruct out = { 0 };
|
||
// if (LCD_RectIntersection(&out, x, y, xsize, ysize))
|
||
// {
|
||
// for (int my = out.ys; my <= out.ye; my++)
|
||
// {
|
||
// for (int mx = out.xs; mx <= out.xe; mx++)
|
||
// {
|
||
// g_lcd.draw[mx + my*g_lcd.x_size] = g_lcd.bkColor;
|
||
// }
|
||
// }
|
||
// }
|
||
if (LCD_RectIntersection(&out, x, y, xsize, ysize))
|
||
{
|
||
LCD_FillColor(g_lcd.draw,out.xs,out.ys,out.xe-out.xs+1,out.ye-out.ys+1,g_lcd.bkColor);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
//获取指定矩形空间的屏幕颜色，屏幕的绝对坐标
|
||
void LCD_GetColors (u16 *buff,int x_s,int y_s,int x_size,int y_size)
|
||
{
|
||
u16 *addr=g_lcd.draw;
|
||
if (x_s<0) x_s=0;
|
||
else if (x_s>LCD_Width-1) x_s=LCD_Width-1;
|
||
if (y_s<0) y_s=0;
|
||
else if (y_s>LCD_Height-1) y_s=LCD_Height-1;
|
||
if (x_size>LCD_Width-x_s) x_size= LCD_Width-x_s;
|
||
else if (x_size<0) x_size=0;
|
||
if (y_size>LCD_Height-y_s) y_size= LCD_Height-y_s;
|
||
else if (y_size<0) y_size=0;
|
||
for (int y=y_s;y<y_size+y_s;y++)
|
||
{
|
||
for (int x=x_s;x<x_size+x_s;x++)
|
||
{
|
||
u32 temp=addr[(y*LCD_Width+x)];
|
||
//*buff=COLOR888TO565(temp);
|
||
*buff=temp;
|
||
buff++;
|
||
}
|
||
}
|
||
}
|
||
|