QY12864HZ1 C51源程序

/***************************************************************/ /*****************本程序提供的外部函数： extern void Lcd_Write_Str(UCHAR l_line,UCHAR l_site,UCHAR * words);//写字符串 extern void Lcd_Init(void);//初始化 extern void Lcd_Write_Bmp(unsigned char *puts); //写图片 void Lcd_Clr_Scr(void); //清屏 /*********************************************************************/ #include <reg52.h> #include <intrins.h> #include <12864bmp.h> //数据类型定义 typedef unsigned char UCHAR; typedef unsigned int UINT; //功能管脚定义 sbit LCM_CS = P2^4; //片选 sbit LCM_SCK = P2^6; //时钟 sbit LCM_SID = P2^5; //数据 sbit PSB =P2^1; //sbit LCM_BLK = P1^3; //背光 //sbit LCM_RST = P2^3; //复位 char LCD0[]={" 自动寻迹小车"}; char LCD1[]={"设定距离：20M "}; char LCD2[]={"时间： 分 秒 "}; char LCD3[]={"行驶方向：东 "}; idata char LCD4[]={"行驶方向：西"}; idata char LCD5[]={"行驶方向：北"}; unsigned char *p0,*p1,*p2,*p3; //////////////////////////////////////////// //延时子程序 void delay(UINT t) { UINT i,j; for(i=0;i<t;i++) for(j=0;j<10;j++); } //-------------------------------------------------------------------- //功能说明：串行发送一个字节 //输入参数：欲发送字节,输出参数：无 void Send_Byte(UCHAR lcd_byte) { register UCHAR i; LCM_SCK = 0; for(i=0;i<8;i++) { LCM_SID = (bit)(lcd_byte&0x80); //移出的位给SID lcd_byte <<= 1; //左移一位 LCM_SCK = 1; LCM_SCK = 0; } } //------------------------------------------------------------------- //功能说明：串行读取一个命令字节 //输入参数：无,输出参数：读取的字节数据 UCHAR Lcd_Read_Cmd(void) { register UCHAR i; register UCHAR temp; LCM_CS = 0; LCM_SID = 0; LCM_SCK = 0; LCM_CS = 1; Send_Byte(0xfc); //首先发送读命令 1111 1100 //11111,RW(1),RS(0),0 temp = 0; for (i=0;i<8;i++) { LCM_SCK = 1; temp <<=1; temp |= LCM_SID; LCM_SCK = 0; } //读出高四位 temp >>= 4; for (i=0;i<4;i++) { LCM_SCK = 1; temp <<=1; temp |= LCM_SID; LCM_SCK = 0; } //读出低四位 for (i=0;i<4;i++) { LCM_SCK = 1; LCM_SCK = 0; //第三字节低四位忽略 } LCM_CS = 0; LCM_SID = 0; LCM_SCK = 0; return temp; } //-------------------------------------------------------------------- //功能说明：串行写入一个字节 //输入参数：lcd_data-欲写入字节,cmd_data-数据/命令选择位 //输出参数：无 void Lcd_Write_Byte(UCHAR lcd_data,bit cmd_data) { UCHAR lcdopt; register UCHAR temp; //EA = 0; //禁用所有中断 lcdopt = 0; do { lcdopt = Lcd_Read_Cmd(); } while (lcdopt&0x80); //查LCD内部忙信号 LCM_CS = 0; LCM_SID = 0; LCM_SCK = 0; LCM_CS = 1; // 1111 1 RW RS 0 //RW为0,选择写;RS为1,选择数据;RS为0,选择指令 if(cmd_data==1) Send_Byte(0xfa);//发送数据 1111 1010 else Send_Byte(0xf8);//发送指令 1111 1000 ////////////////////////////////////////////////// temp = lcd_data&0xf0; Send_Byte(temp); //传输高四位 temp = (lcd_data<<4)&0xf0; Send_Byte(temp); //传输低四位 LCM_CS = 0; LCM_SID = 0; LCM_SCK = 0; //EA=1; //恢复中断 } //-------------------------------------------------------------------- //功能说明：写入一个命令 //输入参数：写入命令字节,输出参数：无 void Lcd_Write_Cmd(UCHAR lcd_data) { Lcd_Write_Byte(lcd_data,0); } //-------------------------------------------------------------------- //功能说明：写入一个数据 //输入参数：欲写入数据,输出参数：无 void Lcd_Write_Data(UCHAR lcd_data) { Lcd_Write_Byte(lcd_data,1); } ///////////////////////////////////////////////// void WriteStr( char temp[]) { UCHAR *s; s=temp; while(*s>0) { Lcd_Write_Data(*s); delay(2000); s++; } } //-------------------------------------------------------------------- //功能说明：12864初始化 //输入输出参数：无 void Lcd_Init(void) { PSB = 0; Lcd_Write_Cmd(0x30); //基本命令集 Lcd_Write_Cmd(0x30); Lcd_Write_Cmd(0x0C); //显示ON,游标OFF,游标位反白OFF Lcd_Write_Cmd(0x06); //写入时,游标右移动 Lcd_Write_Cmd(0x01); //清除显示 //Os_Wait2(K_TMO,1); Lcd_Write_Cmd(0x02); //位址归位 Lcd_Write_Cmd(0x06); //写入时,游标右移动 //Os_Wait2(K_TMO,1); //根据所用单片机晶振加入等待 } /****************************************************/ void LCD_bmp_init(void) //LCD显示图片(扩展)初始化程序 { PSB=0; Lcd_Write_Cmd(0x34); Lcd_Write_Cmd(0x34); Lcd_Write_Cmd(0x36); Lcd_Write_Cmd(0x01); } /////////////////////////////////////////////////////////////////////////////// void DisplayGraphic(unsigned char code *adder) { int i,j; //*******显示上半屏内容设置 for(i=0;i<32;i++) { Lcd_Write_Cmd((0x80 + i)); Lcd_Write_Cmd(0x80); for(j=0;j<16;j++) { Lcd_Write_Data(*adder); adder++; } } //*******显示下半屏内容设置 for(i=0;i<32;i++) { Lcd_Write_Cmd((0x80 + i)); //SET 垂直地址 VERTICAL ADD Lcd_Write_Cmd(0x88); //SET 水平地址 HORIZONTAL ADD for(j=0;j<16;j++) { Lcd_Write_Data(*adder); adder++; } } } ////////////////////////////////////////////////// void hzDisp() { UCHAR jj=1; p0=LCD0;p1=LCD1;p2=LCD2;p3=LCD3; LCD2[6]=0x20;LCD2[7]=0x34;LCD2[10]=0x38;LCD2[11]=0x39; if(jj==1) { p3=LCD3; } else if(jj==2) { p3=LCD4; } else if(jj==3) { p3=LCD5; } Lcd_Write_Cmd(0x80); WriteStr(p0); Lcd_Write_Cmd(0x90); WriteStr(p1); Lcd_Write_Cmd(0x88); WriteStr(p2); Lcd_Write_Cmd(0x98); WriteStr(p3); } ////////////////////////////////////////////////////// void main() { //Lcd_Init(); LCD_bmp_init(); while(1) { //hzDisp(); //显示汉字 DisplayGraphic(pic4); delay(6000); delay(4000);delay(4000); Lcd_Write_Cmd(0x01); //清除显示，并且设定地址指针为00H delay(5); } }