- #ifdef L80480R70
- //**[10h]**//
- Select_LCD_Sync_Mode(); // Enable XVSYNC, XHSYNC, XDE.
- // Select_LCD_DE_Mode(); // XVSYNC & XHSYNC in idle state.
-
- PCLK_Falling();
- // PCLK_Rising();
- VSCAN_T_to_B();
- PDATA_Set_RGB();
- HSYNC_Low_Active();
- VSYNC_Low_Active();
- DE_High_Active();
- // DE_Low_Active();
- LCD_HorizontalWidth_VerticalHeight(800,480);
- LCD_Horizontal_Non_Display(64);
- LCD_HSYNC_Start_Position(208);
- LCD_HSYNC_Pulse_Width(24);
- LCD_Vertical_Non_Display(16);
- LCD_VSYNC_Start_Position(22);
- LCD_VSYNC_Pulse_Width(16);
- #endif
下方为AT043TN25的液晶屏参数配置:
- #ifdef AT043TN25
- //**[10h]**//
- //Select_LCD_Sync_Mode(); // Enable XVSYNC, XHSYNC, XDE.
- Select_LCD_DE_Mode(); // XVSYNC & XHSYNC in idle state.
- // PCLK_Rising();
- PCLK_Falling();
- VSCAN_T_to_B();
- PDATA_Set_RGB();
- //**[13h]**//
- HSYNC_Low_Active();
- VSYNC_Low_Active();
- DE_High_Active();
- // DE_Low_Active();
- //------------------------------------
- //**[14h][15h][1Ah][1Bh]**//
- LCD_HorizontalWidth_VerticalHeight(480, 272); // LCD Resolution 480x272。
- //**[16h][17h]**//
- LCD_Horizontal_Non_Display(38); // 480x272,HSYNC Back Porch=38。
- //**[18h]**//
- LCD_HSYNC_Start_Position(20); // 480x272 HSYNC Front Porch = 20。
- //**[19h]**//
- LCD_HSYNC_Pulse_Width(20); // 480x272,HSYNC Pulse Width=5~30,set 20。
- //**[1Ch][1Dh]**//
- LCD_Vertical_Non_Display(4); // 480x272,VSYNC Back Porch =4。
- //**[1Eh]**//
- LCD_VSYNC_Start_Position(15); // 480x272,VSYNC Front Porch =15。
- //**[1Fh]**//
- LCD_VSYNC_Pulse_Width(3); // 480x272,VSYNC Pulse Width =3。
- #endif
参考演示程序已经预设各种分辨率的液晶屏参数配置,可以直接代入测试,再进行微调。使用上非常简单!
(4)MCU通信方式和显示色深定义:
- /*==== MCU接口通信位数和显示色深定义 ====*/
- //#define MCU_8bit_ColorDepth_8bpp
- //#define MCU_8bit_ColorDepth_16bpp
- #define MCU_8bit_ColorDepth_24bpp
- //#define MCU_16bit_ColorDepth_16bpp
- //#define MCU_16bit_ColorDepth_24bpp_Mode_1
- //#define MCU_16bit_ColorDepth_24bpp_Mode_2
2. 延时函数
使用毫秒即可,请依照自己的MCU主频调整延时长度:
- void delay_ms(unsigned int n);
三、进行UI界面设计
底层封装好API函数了,存放在RA8889_API.c(51单片机请改用RA8889_API_51.c),每个函数头均有用法说明,不明白请进函数查阅详细参数说明。并且所有代码透明,感兴趣的话请进入函数查看底层寄存器的设定。
UI界面基础三要素为 绘图、显示文字、显示图片, 这些都是RA8889硬件支持的功能,显示速度很快!如下列举主要的显示函数:
- /* MCU直接写点,基础函数 */
- void putPixel(unsigned short x,unsigned short y,unsigned long color);
- /* 数据直接写显存 */
- void MPU8_8bpp_Memory_Write (unsigned short x,unsigned short y,unsigned short w ,unsigned short h ,const unsigned char *data_array);
- void MPU8_16bpp_Memory_Write (unsigned short x,unsigned short y,unsigned short w ,unsigned short h ,const unsigned char *data_array);
- void MPU8_24bpp_Memory_Write (unsigned short x,unsigned short y,unsigned short w ,unsigned short h ,const unsigned char *data_array);
- void MPU16_16bpp_Memory_Write (unsigned short x,unsigned short y,unsigned short w ,unsigned short h ,const unsigned short *data_array);
- void MPU16_24bpp_Mode1_Memory_Write (unsigned short x,unsigned short y,unsigned short w ,unsigned short h ,const unsigned short *data_array);
- void MPU16_24bpp_Mode2_Memory_Write (unsigned short x,unsigned short y,unsigned short w ,unsigned short h ,const unsigned short *data_array);
- /* 绘图:各种几何图形(硬件实现,高速) */
- void Draw_Line(unsigned long LineColor,unsigned short X1,unsigned short Y1,unsigned short X2,unsigned short Y2);
- void Draw_Triangle(unsigned long ForegroundColor,unsigned short X1,unsigned short Y1,unsigned short X2,unsigned short Y2,unsigned short X3,unsigned short Y3);
- void Draw_Triangle_Fill(unsigned long ForegroundColor,unsigned short X1,unsigned short Y1,unsigned short X2,unsigned short Y2,unsigned short X3,unsigned short Y3);
- void Draw_Circle(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short R);
- void Draw_Circle_Fill(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short R);
- void Draw_Ellipse(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Ellipse_Fill(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Left_Up_Curve(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Left_Up_Curve_Fill(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Right_Down_Curve(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Right_Down_Curve_Fill(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Right_Up_Curve(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Right_Up_Curve_Fill(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Left_Down_Curve(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Left_Down_Curve_Fill(unsigned long ForegroundColor,unsigned short XCenter,unsigned short YCenter,unsigned short X_R,unsigned short Y_R);
- void Draw_Square(unsigned long ForegroundColor,unsigned short X1,unsigned short Y1,unsigned short X2,unsigned short Y2);
- void Draw_Square_Fill(unsigned long ForegroundColor,unsigned short X1,unsigned short Y1,unsigned short X2,unsigned short Y2);
- void Draw_Circle_Square(unsigned long ForegroundColor,unsigned short X1,unsigned short Y1,unsigned short X2,unsigned short Y2,unsigned short R,unsigned short Y_R);
- void Draw_Circle_Square_Fill(unsigned long ForegroundColor,unsigned short X1,unsigned short Y1,unsigned short X2,unsigned short Y2,unsigned short R,unsigned short Y_R);
- /* 内存操作:复制、运算、剔除底色、单色延展彩色、淡入淡出(硬件实现,快速) */
- void BTE_Memory_Copy(unsigned long S0_Addr,unsigned short S0_W,unsigned short XS0,unsigned short YS0,unsigned long S1_Addr,unsigned short S1_W,unsigned short XS1,unsigned short YS1,unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned int ROP_Code,unsigned short X_W,unsigned short Y_H);
- void BTE_Memory_Copy_Chroma_key(unsigned long S0_Addr,unsigned short S0_W,unsigned short XS0,unsigned short YS0,unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned long Background_color,unsigned short X_W,unsigned short Y_H);
- void BTE_MCU_Write_MCU_8bit(unsigned long S1_Addr,unsigned short S1_W,unsigned short XS1,unsigned short YS1,unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned int ROP_Code,unsigned short X_W,unsigned short Y_H,const unsigned char *data_array);
- void BTE_MCU_Write_MCU_16bit(unsigned long S1_Addr,unsigned short S1_W,unsigned short XS1,unsigned short YS1,unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned int ROP_Code,unsigned short X_W,unsigned short Y_H,const unsigned short *data_array);
- void BTE_MCU_Write_Chroma_key_MCU_8bit(unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned long Background_color,unsigned short X_W,unsigned short Y_H,const unsigned char *data_array);
- void BTE_MCU_Write_Chroma_key_MCU_16bit(unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned long Background_color,unsigned short X_W,unsigned short Y_H,const unsigned short *data_array);
- void BTE_Memory_Copy_ColorExpansion(unsigned long S0_Addr,unsigned short S0_W,unsigned short XS0,unsigned short YS0,unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned short X_W,unsigned short Y_H,unsigned long Foreground_color,unsigned long Background_color);
- void BTE_Memory_Copy_ColorExpansion_Chroma_key(unsigned long S0_Addr,unsigned short S0_W,unsigned short XS0,unsigned short YS0,unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned short X_W,unsigned short Y_H,unsigned long Foreground_color);
- void BTE_MCU_Write_ColorExpansion_MCU_8bit(unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned short X_W,unsigned short Y_H,unsigned long Foreground_color,unsigned long Background_color,const unsigned char *data_array);
- void BTE_MCU_Write_ColorExpansion_MCU_16bit(unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned short X_W,unsigned short Y_H,unsigned long Foreground_color,unsigned long Background_color,const unsigned short *data_array);
- void BTE_MCU_Write_ColorExpansion_Chroma_key_MCU_8bit(unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned short X_W,unsigned short Y_H,unsigned long Foreground_color,const unsigned char *data_array);
- void BTE_MCU_Write_ColorExpansion_Chroma_key_MCU_16bit(unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned short X_W,unsigned short Y_H,unsigned long Foreground_color,const unsigned short *data_array);
- void BTE_Pattern_Fill(unsigned char P_8x8_or_16x16, unsigned long S0_Addr,unsigned short S0_W,unsigned short XS0,unsigned short YS0,unsigned long S1_Addr,unsigned short S1_W,unsigned short XS1,unsigned short YS1,unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned int ROP_Code,unsigned short X_W,unsigned short Y_H);
- void BTE_Pattern_Fill_With_Chroma_key(unsigned char P_8x8_or_16x16 ,unsigned long S0_Addr,unsigned short S0_W,unsigned short XS0,unsigned short YS0,unsigned long S1_Addr,unsigned short S1_W,unsigned short XS1,unsigned short YS1,unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned int ROP_Code,unsigned long Background_color,unsigned short X_W,unsigned short Y_H);
- void BTE_Solid_Fill(unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned long Foreground_color,unsigned short X_W,unsigned short Y_H);
- void BTE_Alpha_Blending_Picture_Mode(unsigned long S0_Addr,unsigned short S0_W,unsigned short XS0,unsigned short YS0,unsigned long S1_Addr,unsigned short S1_W,unsigned short XS1,unsigned short YS1,unsigned long Des_Addr,unsigned short Des_W, unsigned short XDes,unsigned short YDes,unsigned short X_W,unsigned short Y_H,unsigned char alpha);
- /* DMA功能,快速显示图片(JPG,BMP),播放AVI影片 */
- void DMA_24bit(unsigned char Clk ,unsigned short X1,unsigned short Y1,unsigned short X_W,unsigned short Y_H ,unsigned short P_W ,unsigned long Addr);
- void DMA_32bit(unsigned char Clk ,unsigned short X1,unsigned short Y1,unsigned short X_W,unsigned short Y_H ,unsigned short P_W,unsigned long Addr);
- void JPG_NOR (unsigned long addr,unsigned long JPGsize,unsigned long IDEC_canvas_width,unsigned short x,unsigned short y);
- void AVI_NOR(unsigned long addr,unsigned long videosize,unsigned long shadow_buffer_addr,unsigned long PIP_buffer_addr,unsigned long x,unsigned long y,unsigned long height,unsigned long width,unsigned long PIP_width);
四、彩蛋
我们已经开发好一款新的RA8889开发板,简单易用,使用您的单片机,通过并口或者串口直接连接即可,外接一片AT043TN25或者AT070TN92,只要接口兼容,通通都能点!
RA8889精简版:RA6809,该芯片仅提供SPI接口与MCU通信,但功能上和RA8889完全一样!更详细信息请关注产品开发进展!
以下效果使用51单片机STC8H8K64U+RA6809开发板+1024x600/800x480彩屏进行演示: