DSP2812直接驱动LCD12864显示.doc

GPIO配置#include DSP28_Device.hvoid InitGpio(void) EALLOW; GpioMuxRegs.GPAMUX.all=0x00;/设置GPIOA为普通I/O口 GpioMuxRegs.GPADIR.all=0x00FF;/设置为输出 GpioDataRegs.GPASET.bit.GPIOA3=0;/LCD是串口通信，PSB置为高电平/ GpioMuxRegs.GPBDIR.bit.GPIOB3=1;/ GpioMuxRegs.GPBDIR.bit.GPIOB3=1; EDIS;主函数#include DSP28_Device.h/*/*LCD12864程序：*/*GPIOB0-GPIOB7作为LCD12864的数据接口*/*RS-GPIOA0RW-GPIOA1EN-GPIOA2PSB-GPIOA3RST-GPIOA4*/*/#define RS_CS0 GpioDataRegs.GPACLEAR.bit.GPIOA0=1 /片选信号RS 模组片选端，高电平有效#define RS_CS1 GpioDataRegs.GPASET.bit.GPIOA0=1#define RW_SID0 GpioDataRegs.GPACLEAR.bit.GPIOA1=1 /串行数据输入端#define RW_SID1 GpioDataRegs.GPASET.bit.GPIOA1=1#define EN_CLK0 GpioDataRegs.GPACLEAR.bit.GPIOA2=1 /串行同步时钟：上升沿时读取SID数据#define EN_CLK1 GpioDataRegs.GPASET.bit.GPIOA2=1/#define PSBGpioDataRegs.GPADAT.bit.GPIOA3 /H：8位或4位并口方式；L：串口方式,在初始化中置1，设定为并口#define RST GpioDataRegs.GPADAT.bit.GPIOA4 /复位端，低电平有效#define comm 0 /指令0#define data 1 /数据1#define x1 0x80#define x2 0x88#define y 0x80#define uchar unsigned char /*宏定义*/#define uint unsigned intunsigned char table=0,1,2,3,4,5,6,7,8,9;void delayns(unsigned int ns);void delayus(unsigned int us);void WriteLcd(unsigned char st);void DataComWrite(uchar data_comm,uchar text);void ChinDisp(uchar *chin);void clcscreen();void InitLcd();void LatDisp(uchar dat1,uchar dat2);void ImgDisp(uchar *imge);void ChkBusy();void PreRead();void PrepWrite();/*- 调入了一幅图像：宽度x高度=128x32 可以使用点阵图形生成器产生数据-*/uchar tab1=0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFA,0xAB,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFE,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xEF,0xFF,0xBF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xEF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xBF,0xFF,0xFB,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFE,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xC0,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xF0,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFC,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xC1,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xF1,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x01,0xFD,0xFF,0xFF,0xFF,0xFF,0xFE,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x7F,0xFF,0xFF,0xFF,0xFF,0xBF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xDF,0xFF,0xFF,0xFF,0xFF,0xEF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xF7,0xFF,0xFF,0xFF,0xFF,0xFB,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFD,0xFF,0xFF,0xFF,0xFF,0xFE,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0x7F,0xFF,0xFF,0xFF,0xFF,0xBF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xDF,0xFF,0xFF,0xFF,0xFF,0xEF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xF7,0xFF,0xFF,0xFF,0xFF,0xFB,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFD,0xFF,0xFF,0xFF,0xFF,0xFE,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0x7F,0xFF,0xFF,0xFF,0xFF,0xBF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xDF,0xFF,0xFF,0xFF,0xFF,0xEF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xF7,0xFF,0xFF,0xFF,0xFF,0xFB,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFD,0xFF,0xFF,0xFF,0xFF,0xFE,0xBF,0x80,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xBF,0xFF,0xFF,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x8F,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x83,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x3F,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x0F,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x03,0xFF,0xFF,0xFF,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0x7F,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xDF,0xFF,0xFD,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xF7,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFD,0xFF,0xF7,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0x7F,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xD5,0x5F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0x80,0x01,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00;uchar tab2=尊敬的用户: 们的产品! 希望您 欢迎您使用我使用愉快! ;/*- 延时函数-*/void delayns(unsigned int tns) while(tns0) tns-; void delayus(unsigned int tus) int i,j;for(j=0;jtus;j+) for(i=0;i=0) str0=+; else str0=-; figure=-figure; if(int)figure)/10=0) str1=table(int)figure)%10; str2=.; str3=table(int)(figure*10)%10; str4=0; str5=0; else str1=table(int)figure)/10; str2=table(int)figure)%10; str3=.; str4=table(int)(figure*10)%10; str5=0; ia=0; while(stria!=0) DataComWrite(data,stria); ia+; /*-显示汉字程序-*/void ChinDisp(uchar *chn) uchar i,j; DataComWrite(comm,0x30); DataComWrite(comm,0x80); for (j=0;j4;j+) for (i=0;i16;i+) DataComWrite(data,chnj*16+i); /*-LCD清屏函数-*/void clcscreen() delayus(200); DataComWrite(comm,0x30); delayus(200); DataComWrite(comm,0x01); delayus(200); void ChkBusy() DataComWrite(data,0xFF); RS_CS0; RW_SID1; EN_CLK1; EALLOW;GpioMuxRegs.GPBDIR.bit.GPIOB7=0;/配置I/O为输入 EDIS; while(GpioDataRegs.GPBDAT.bit.GPIOB7=1); EN_CLK0;/*-LCD初始化函数-*/void InitLcd() RST=0;/低电平复位 delayus(100); RST=1; delayus(500); DataComWrite(comm,0x30);/30-基本指令动作 delayus(100); DataComWrite(comm,0x30); delayus(100); DataComWrite(comm,0x0c); /开显示，关游标 delayus(100); DataComWrite(comm,0x01); / 清屏，地址指针指向00H delayus(500); DataComWrite(comm,0x06); /光标的移动方向 delayus(500); /*-LCD显示图像函数-*/void ImgDisp(uchar *img) int i; int j; for(j=0;j32;j+) for(i=0;i8;i+) DataComWrite(comm,0x34); DataComWrite(comm,y+j); DataComWrite(comm,x1+i); DataComWrite(comm,0x30); delayns(200); DataComWrite(data,imgj*16+i*2); DataComWrite(data,imgj*16+i*2+1); for(j=32;j64;j+) for(i=0;i8;i+) DataComWrite(comm,0x34); DataComWrite(comm,y+j-32); DataComWrite(comm,x2+i); DataComWrite(comm,0x30); delayns(200); DataComWrite(data,imgj*16+i*2); DataComWrite(d