实验 mega16 12864串行驱动.doc

/ICC-AVR application builder : 2015-7-3 10:21:56/ Target : M128/ Crystal: 1.0000Mhz/* 目 的: 建立液晶4x8c使用示例目标系统: 基于AVR单片机 应用软件: ICCAVR 版本更新记录：-实验内容：通过串行控制使液晶OCM4X8C显示字符图像-硬件连接：PD.0-CS / RSPD.1-SID / R/WPD.2-SCLK / EPD.3-PSBPD.4-RST-注意事项： 详见说明书-*/#include #include #define uint unsigned int#define uchar unsigned char#define x1 0x80#define x2 0x88#define y 0x80#define comm 0#define dat 1#define CS_ON setb(PORTD,0)#define CS_OFF clr(PORTD,0)#define STD_ON setb(PORTD,1)#define STD_OFF clr(PORTD,1)#define SCLK_ON setb(PORTD,2)#define SCLK_OFF clr(PORTD,2)/H=并口; L=串口;#define PSB_ON setb(PORTD,3)#define PSB_OFF clr(PORTD,3)/Reset Signal 低电平有效#define RST_ON setb(PORTD,4)#define RST_OFF clr(PORTD,4)#define TURE 1extern char buffer107;void wr_lcd (uchar dat_comm,uchar content);void delay (uint us); #pragma data:datauchar table_1 = 锄禾日当午 汗滴禾下土 谁知盘中餐 粒粒皆辛苦 ;uchar table_0 = 鹅鹅鹅 曲项向天歌 白毛浮绿水 红掌拨青波 ; uchar const table_212 = 0123456789: ;uchar Year_=年;uchar Week_=星;uchar Week1_=期; uchar Month_=月;uchar Day_=日;uchar Hour_=时;uchar Minute_=分;uchar Second_=秒;uchar Regulate_=调;/调节uchar ding_=定;uchar shi_=时;uchar kai_=开;uchar guan_=关;uchar over_=完;uchar one_=一;uchar two_=二;uchar three_=三;uchar fore_=四;uchar five_=五;uchar six_=六;uchar seven_=日;uchar wen_=温;uchar du_=度;uchar dian_=.;uchar shes_=;uchar maohao_=:;/*-*/void delay (uint us) /delay time while(us-);void delay1 (uint ms) uint i,j; for(i=0;ims;i+) for(j=0;j15;j+) delay(1);/*-初始化-*/void init_lcd (void) RST_ON;/rst=1; PSB_OFF;/psb=0; wr_lcd (comm,0x30); /*30-基本指令动作*/ wr_lcd (comm,0x01); /*清屏，地址指针指向00H*/ delay (100); wr_lcd (comm,0x06); /*光标的移动方向*/ wr_lcd (comm,0x0c); /*开显示，关游标*/*-显示汉字或字符-*/void chn_disp (uchar *chn) uchar i,j; wr_lcd (comm,0x30); wr_lcd (comm,0x80); for (j=0;j4;j+) for (i=0;i16;i+) wr_lcd (dat,chnj*16+i); /*-上半屏显示汉字或字符-*/*void chn_disp1 (uchar *chn) uchar i,j; wr_lcd (comm,0x30); wr_lcd (comm,0x80); j=0; for (i=0;i16;i+) wr_lcd (dat,chnj*16+i); wr_lcd (comm,0x90); j=1; for (i=0;i16;i+) wr_lcd (dat,chnj*16+i);/-显示图形-void img_disp (uchar *img) uchar i,j; for(j=0;j32;j+) for(i=0;i8;i+) wr_lcd (comm,0x34); wr_lcd (comm,y+j); wr_lcd (comm,x1+i); wr_lcd (comm,0x30); wr_lcd (dat,imgj*16+i*2); wr_lcd (dat,imgj*16+i*2+1); for(j=32;j64;j+) for(i=0;i8;i+) wr_lcd (comm,0x34); wr_lcd (comm,y+j-32); wr_lcd (comm,x2+i); wr_lcd (comm,0x30); wr_lcd (dat,imgj*16+i*2); wr_lcd (dat,imgj*16+i*2+1); wr_lcd (comm,0x36);/-下半屏显示图形-void img_disp1 (uchar *img) uchar i,j; for(j=0;j32;j+) for(i=0;i8;i+) wr_lcd (comm,0x34); wr_lcd (comm,y+j); wr_lcd (comm,x2+i); wr_lcd (comm,0x30); wr_lcd (dat,imgj*16+i*2); wr_lcd (dat,imgj*16+i*2+1); wr_lcd (comm,0x36);*/-显示点阵-void lat_disp (uchar data1,uchar data2) uchar i,j,k,x; x=x1; for(k=0;k2;k+) for(j=0;j16;j+) for(i=0;i8;i+) wr_lcd (comm,0x34); wr_lcd (comm,y+j*2); wr_lcd (comm,x+i); wr_lcd (comm,0x30); wr_lcd (dat,data1); wr_lcd (dat,data1); for(i=0;i8;i+) wr_lcd (comm,0x34); wr_lcd (comm,y+j*2+1); wr_lcd (comm,x+i); wr_lcd (comm,0x30); wr_lcd (dat,data2); wr_lcd (dat,data2); x=x2; wr_lcd (comm,0x36);/*-*/当data1=0xff,data2=0xff时,在x0,y0处反白显示16xl*yl.void con_disp (uchar data1,uchar data2,uchar x0,uchar y0,uchar xl,uchar yl) uchar i,j; for(j=0;jyl;j+) for(i=0;ixl;i+) wr_lcd (comm,0x34); wr_lcd (comm,y0+j); wr_lcd (comm,x0+i); wr_lcd (comm,0x30); wr_lcd (dat,data1); wr_lcd (dat,data2); wr_lcd (comm,0x36);/-任意位置显示汉字；或显示字符(只能在双数列)/ 说明：显示汉字或字符/ 入口参数：*chn带显示字符数组/ HANG1显示的位置/ MOUNT1显示字符的个数void chn_disp_RY (char *chn,uchar HANG1,uchar MOUNT1) uchar i,j; wr_lcd (comm,0x30); wr_lcd (comm,HANG1); j=0; for (i=0;i=4; BCD0=BCD0+0x30; BCD1&=0x0f; BCD1=BCD1+0x30; /写入显示数据地址 wr_lcd (comm,0x30); wr_lcd (comm,WZ); /如果FH不等于0，先显示前导符号 if(FH!=0) wr_lcd (dat,FH); /显示数据 wr_lcd (dat,BCD0); wr_lcd (dat,BCD1); /-任意位置显示2位数字、符号或1个汉字/ 说明：显示2位的数据/ 入口参数：FH如果FH=0，则说明显示的位置是16的整数倍/ 如果FH不等于0，则说明显示的位置不是16的整数倍，需要在前加入半位的符号，FH代表将要加入符号的编码/ WZ待显示数据位置/ SZ待显示的数据void fh2_disp(uchar WZ,uchar SZ0,uchar SZ1)/写入显示数据地址wr_lcd (comm,0x30);wr_lcd (comm,WZ);/显示数据wr_lcd (dat,SZ0);wr_lcd (dat,SZ1);/*-清DDRAM-*/void clrram (void) wr_lcd (comm,0x30); wr_lcd (comm,0x01); delay (180);/*-*/void wr_lcd (uchar dat_comm,uchar content) uchar a,i,j; delay (50); a=content; CS_ON;/cs=1; SCLK_OFF;/sclk=0; STD_ON;/std=1; for(i=0;i5;i+) SCLK_ON;/sclk=1; SCLK_OFF;/sclk=0; STD_OFF;/std=0; SCLK_ON;/sclk=1; SCLK_OFF;/sclk=0; if(dat_comm) STD_ON;/ std=1; /data else STD_OFF;/ std=0; /command SCLK_ON;/sclk=1; SCLK_OFF;/sclk=0; STD_OFF;/std=0; SCLK_ON;/sclk=1; SCLK_OFF;/sclk=0; for(j=0;j2;j+) for(i=0;i4;i+) if(a&0x80)=0x80) STD_ON;/ std=1; /data else STD_OFF;/ std=0; /commanda=a1; /std=CY; SCLK_ON;/sclk=1; SCLK_OFF;/sclk=0; STD_OFF;/std=0; for(i=0;i4)&0x00ff;r=(p&= 0x000f)*625; lat_disp (0x00,0x00); wr_lcd (comm,0x30); wr_lcd (comm,0x98);/第四行显示 chn_disp_RY(wen_,0x98,2); chn_disp_RY(du_,0x99,2); chn_disp_RY(maohao_,0x9a,1); /wr_lcd (dat,table_2v/1000); /wr_lcd (dat,table_2v/100); wr_lcd (dat,table_2q/10%10 ); wr_lcd (dat,table_2q%10); /chn_disp_RY(dian_,0x9e,2); chn_disp_RY(shes_,0x9c,2); /wr_lcd (dat,table_2(v/10)%10); /wr_lcd (dat,table_2v%10);/时间设定/void Tiaozi(char v) / clrram(); lat_disp (0x00,0x00); wr_lcd (comm,0x30); delay1 (800); wr_lcd (comm,0x80);/第一行显示 秒，分，时，日，月，星期，年 chn_disp_RY(Regulate_,0x80,2);/显示调_ ：_ _ fh2_disp(0x82,table_210,table_211); delay1 (800); if(v=0x00) chn_disp_RY(Second_,0x81,2);/单独显示汉字 if(v=0x01) chn_disp_RY(Minute_,0x81,2);if(v=0x02) chn_disp_RY(Hour_,0x81,2); if(v=0x03) chn_disp_RY(Day_,0x81,2); if(v=0x04) chn_disp_RY(Month_,0x81,2);if(v=0x05) chn_disp_RY(Week_,0x81,2); if(v=0x06) chn_disp_RY(Year_,0x81,2); if(v=0x07) chn_disp_RY(over_,0x81,2); delay1 (8000);void Tiaoshu(int v) fh2_disp(0x83,table_2v/10,table_2v%10);/定时设定/void Dingshi(char v) /clrram(); lat_disp (0x00,0x00); wr_lcd (comm,0x30); delay1 (8000); wr_lcd (comm,0x80);/第一行显示 秒，分，时，日，月，星期，年 chn_disp_RY(Regulate_,0x80,2);/显示调_ ：_ _