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陕西营销型网站制作,招标网站排行榜,中小企业名录查询官网入口,wordpress报名功能本次介绍单片机STC89C52RA8889代码移植范例，该范例已将RA8889的API移植好了，下方提供下载地址。硬件平台：89C52RA8889 采用SPI通信方式 (已测试通过） 上一讲已经阐述RA8889移植到51单片机的基本方法，本讲增加了API…

本次介绍单片机STC89C52+RA8889代码移植范例，该范例已将RA8889的API移植好了，下方提供下载地址。

硬件平台：89C52+RA8889 采用SPI通信方式 (已测试通过）
在这里插入图片描述

上一讲已经阐述RA8889移植到51单片机的基本方法，本讲增加了API接口函数的移植，将RA8889_API_51.ct添加到工程：
在这里插入图片描述

API接口将底层代码经过二次封装，API代码为开源，用户可以进函数查看具体的操作。

1. 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);

2. PIP画中画开窗口：可以开2个窗口

void PIP(unsigned char On_Off, unsigned char Select_PIP,unsigned long PAddr,unsigned short XP,unsigned short YP,unsigned long ImageWidth,unsigned short X_Dis,unsigned short Y_Dis,unsigned short X_W,unsigned short Y_H);

3. 显示文字：包含RA8889内建ASCII，外接集通字库的显示

void Print_Internal_Font_Hexvariable(unsigned short x,unsigned short y,unsigned short X_W,unsigned short Y_H,unsigned long FontColor,unsigned long BackGroundColor,  unsigned int tmp2);
void Print_Internal_Font_Decimalvariable(unsigned short x,unsigned short y,unsigned short X_W,unsigned short Y_H,unsigned long FontColor,unsigned long BackGroundColor,unsigned int tmp2);
void Print_Internal_Font_String(unsigned short x,unsigned short y,unsigned short X_W,unsigned short Y_H,unsigned long FontColor,unsigned long BackGroundColor, char tmp2[]);
void Print_BIG5String(unsigned char Clk ,unsigned char BUS,unsigned char SCS,unsigned short x ,unsigned short y ,unsigned short X_W ,unsigned short Y_H,unsigned long FontColor,unsigned long BackGroundColor,char *tmp2);
void Print_GB2312String(unsigned char Clk,unsigned char BUS,unsigned char SCS,unsigned short x,unsigned short y,unsigned short X_W,unsigned short Y_H,unsigned long FontColor,unsigned long BackGroundColor,char *tmp2);
void Print_GB12345String(unsigned char Clk,unsigned char BUS,unsigned char SCS,unsigned short x,unsigned short y,unsigned short X_W,unsigned short Y_H,unsigned long FontColor,unsigned long BackGroundColor,char tmp2[]);
void Print_UnicodeString(unsigned char Clk,unsigned char BUS,unsigned char SCS,unsigned short x,unsigned short y,unsigned short X_W,unsigned short Y_H,unsigned long FontColor,unsigned long BackGroundColor,unsigned short *tmp2);
void Select_Font_Height_WxN_HxN_ChromaKey_Alignment(unsigned char Font_Height,unsigned char XxN,unsigned char YxN,unsigned char ChromaKey,unsigned char Alignment);
void Show_String(char *str);

4. 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);

5. 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);

6. PWM输出：RA8889内建2个PWM发生器，可用于调整背光亮度等

void PWM0(unsigned char on_off, unsigned char Clock_Divided, unsigned char Prescalar, unsigned short Count_Buffer,unsigned short Compare_Buffer);
void PWM1(unsigned char on_off, unsigned char Clock_Divided, unsigned char Prescalar, unsigned short Count_Buffer,unsigned short Compare_Buffer);

7. 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 switch_24bits_to_32bits(unsigned char BUS,unsigned char SCS);void SPI_NOR_Flash_switch_QUAD_MODE(unsigned char BUS,unsigned char SCS,unsigned char flash);
void SPI_NOR_initial_DMA (unsigned char mode,unsigned char BUS,unsigned char SCS,unsigned char flash,unsigned char addr_24b_32b);
void SPI_NOR_initial_JPG_AVI (unsigned char flash,unsigned char addr_24b_32b,unsigned char BUS,unsigned char SCS,unsigned char SCK_Divide);
void SPI_NOR_DMA_png (unsigned long dma_page_addr,unsigned long pic_buffer_Layer,unsigned long Show_pic_Layer,unsigned int picture_Width,unsigned int picture_Height);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);void BTE_alpha_blending_32bit_Pixel_mode(unsigned int picture_Width,unsigned int BTE_X,unsigned int BTE_Y,unsigned long S0X,unsigned long S0Y,unsigned long S0_Start_Addr,unsigned long S0_canvas_width,unsigned long desX,unsigned long desY,unsigned long DES_Start_Addr,unsigned long DES_canvas_width,unsigned long pic_buffer_Layer);
void BTE_alpha_blending_24bit_Pixel_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);void AVI_window(unsigned char ON_OFF);

由于89C52的RAM较小，许多API会占用较多资源，因此可能跑不开，故先演示以下三个常用的功能：

Introduction();                               //文字介绍
Geometry_Demo();                        //几何绘图演示
Show_JPG();                                 //调用FLASH的JPG图片显示