12864(带字库)串行方式显示汉字和字库-CVAVR程序-电子工程世界

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// HS12864-15B —— 串行

// 带字库
// 芯片 ATMEGA16L
// 时钟 4MHz 内部
// 采用系统自带延时程序
// 检测忙闲
// 功能1：显示汉字和字母
// 功能2：图形显示，显示横线、竖线、边框、128*64图像、64*64图像，图形显示较慢
// 注意：采用了文本区和图形区清零函数，汉字和图形显示切换时要注意，基本指令集和扩充指令集的转换
// 保存图像的数组最后不能有逗号

#include
#include

#define cs        PORTD.2 // 片选信号
#define sid       PORTD.3 // 串行数据线输出
#define sid_in    3        // 串行数据线输入
#define sclk      PORTD.4 // 时钟输入线
#define psb       PORTD.5 // psb=H，并口模式， psb=L，串口模式
#define rst       PORTD.6 // LCD复位,低有效
#define run       PORTB.7 // 运行标志

void LCD_send_byte(unsigned char a);      // LCD写数据
unsigned char LCD_read_byte(void);        // LCD读数据
void chk_busy(void);                      // 检测忙闲
void init_lcd(void);                      // 初始化
void wr_data(unsigned char dat);          // 写数据到LCD
void wr_comm(unsigned char comm);         // 写命令到LCD
void img_disp(unsigned char flash *img); // 显示图片128*64
void img_disp2(unsigned char flash *img); // 显示图片64*64 左半屏
void img_disp3(unsigned char flash *img); // 显示图片64*64 右半屏
void lcdfill(unsigned char disdata);      // 整屏全亮或显示竖条
void Disp_H_Line(void);                   // 显示横条
void frame(void);                         // 显示边框
void wr_str(unsigned char flash *s);      // 写字符串
void hz_disp(void);                       // 写汉字或字母
void LcdClearTXT(void);                   // 文本区RAM清零
void LcdClearBMP(void);                   // 图形区RAM清零

flash unsigned char ex1[] = {"泰山电子"}; //字符串以\0结束
flash unsigned char ex2[] = {" 欢迎您 "};
flash unsigned char ex3[] = {"TAI SHAN DIAN ZI"};
flash unsigned char ex4[] = {"Wellcome to you!"};
flash unsigned char ex5[] = {"黄河远上白云间"};
flash unsigned char ex6[] = {"一片孤城万仞山"};
flash unsigned char ex7[] = {"羌笛何须怨杨柳"};
flash unsigned char ex8[] = {"春风不度玉门关"};
flash unsigned char ex9[] = {"TAI SHAN DIAN ZI"};
flash unsigned char ex10[] = {"Designer:Charlie"};

flash unsigned char tab[]={
/*-- 调入了一幅图像：联通图标 4567.bmp --*/
/*-- 宽度x高度=128x64 --*/
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};

flash unsigned char tab2[]={
/*-- 调入了一幅图像：移动图标 123456.bmp --*/
/*-- 宽度x高度=128x64 --*/
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0X7F,0XFF,0X7F,0XF0,0X0F,0XFE,0X00,0X07,0XF8,0X00,0X01,0XFF,0XC0,0X1F,0XFF,0XFF,
0X3F,0XFE,0X0F,0XFC,0X01,0XFF,0XC0,0X3F,0XE0,0X00,0X07,0XFF,0X00,0X03,0XFF,0XFC,
0X3F,0XFF,0X03,0XFF,0X80,0X7F,0XFF,0XFF,0X80,0X00,0X3F,0XFC,0X00,0X00,0XFF,0XFC,
0X1F,0XFE,0X00,0X7F,0XE0,0X0F,0XFF,0XFC,0X00,0X00,0XFF,0XF0,0X00,0X00,0X7F,0XFC,
0X1F,0XFF,0X00,0X1F,0XF8,0X03,0XFF,0XF0,0X00,0X03,0XFF,0X80,0X00,0X03,0XFF,0XF8,
0X0F,0XFF,0XC0,0X03,0XFF,0X00,0X3F,0X00,0X00,0X1F,0XFE,0X00,0X00,0X0F,0XFF,0XF8,
0X0F,0XFF,0XF0,0X00,0XFF,0XC0,0X00,0X00,0X00,0X7F,0XF0,0X00,0X00,0X3F,0XFF,0XF0,
0X07,0XFF,0XFE,0X00,0X1F,0XF8,0X00,0X00,0X01,0XFF,0XC0,0X00,0X01,0XFF,0XFF,0XE0,
0X03,0XFF,0XFF,0X80,0X07,0XFE,0X00,0X00,0X0F,0XFF,0X00,0X00,0X07,0XFF,0XFF,0XC0,
0X01,0XFF,0XFF,0XF0,0X00,0XFF,0XC0,0X00,0X7F,0XF8,0X00,0X00,0X1F,0XFF,0XFF,0X80,
0X00,0XFF,0XFF,0XFC,0X00,0X3F,0XFC,0X03,0XFF,0XE0,0X00,0X00,0XFF,0XFF,0XFF,0X00,
0X00,0X7F,0XFF,0XFF,0X80,0X07,0XFF,0XFF,0XFF,0X80,0X00,0X03,0XFF,0XFF,0XFE,0X00,
0X00,0X3F,0XFF,0XFF,0XE0,0X01,0XFF,0XFF,0XFC,0X00,0X00,0X1F,0XFF,0XFF,0XFC,0X00,
0X00,0X0F,0XFF,0XFF,0XFC,0X00,0X3F,0XFF,0XF0,0X00,0X00,0X7F,0XFF,0XFF,0XF8,0X00,
0X00,0X07,0XFF,0XFF,0XFF,0X00,0X0F,0XFF,0X80,0X00,0X03,0XFF,0XFF,0XFF,0XE0,0X00,
0X00,0X01,0XFF,0XFF,0XFF,0XC0,0X00,0X00,0X00,0X00,0X0F,0XFF,0XFF,0XFF,0XC0,0X00,
0X00,0X00,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X3F,0XFF,0XFF,0XFF,0X00,0X00,
0X00,0X00,0X3F,0XFF,0XFF,0XFE,0X00,0X00,0X00,0X01,0XFF,0XFF,0XFF,0XFC,0X00,0X00,
0X00,0X00,0X0F,0XFF,0XFF,0XFF,0XC0,0X00,0X00,0X07,0XFF,0XFF,0XFF,0XF0,0X00,0X00,
0X00,0X00,0X03,0XFF,0XFF,0XFF,0XF0,0X00,0X00,0X3F,0XFF,0XFF,0XFF,0XC0,0X00,0X00,
0X00,0X00,0X00,0X7F,0XFF,0XFF,0XFE,0X00,0X01,0XFF,0XFF,0XFF,0XFF,0X00,0X00,0X00,
0X00,0X00,0X00,0X1F,0XFF,0XFF,0XFF,0XF0,0X1F,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,
0X00,0X00,0X00,0X03,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XC0,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X3F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFC,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XE0,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X1F,0XFF,0XFF,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X3F,0XFF,0XFF,0XFE,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0XCF,0XE6,0X00,0X00,0X00,0X00,0X00,0X00,0X00
};
flash unsigned char tab3[]={
/*-- 调入了一幅图像：移动图标 1234.bmp --*/
/*-- 宽度x高度=64x64 --*/
0X00,0X00,0X00,0X3F,0XFE,0X00,0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XC0,0X00,0X00,
0X00,0X00,0X0F,0XFF,0XFF,0XF8,0X00,0X00,0X00,0X00,0X7F,0XFF,0XFF,0XFE,0X00,0X00,
0X00,0X00,0XFF,0XFF,0XFF,0XFF,0X80,0X00,0X00,0X03,0XFF,0XFF,0XFF,0XFF,0XC0,0X00,
0X00,0X07,0XFF,0XF0,0X07,0XFF,0XF0,0X00,0X00,0X0F,0XFF,0XE0,0X01,0XFF,0XF8,0X00,
0X00,0X1F,0XFF,0X80,0X00,0XFF,0XFC,0X00,0X00,0X7F,0XFF,0X00,0X00,0X7F,0XFE,0X00,
0X00,0X7F,0XFE,0X00,0X00,0X1F,0XFF,0X00,0X00,0XFF,0XFC,0X00,0X78,0X0F,0XFF,0X80,
0X01,0XFF,0XF0,0X01,0XFE,0X07,0XFF,0XC0,0X03,0XFF,0XE0,0X03,0XFF,0X83,0XFF,0XC0,
0X03,0XFF,0XC0,0X0F,0XFF,0XC0,0XFF,0XE0,0X07,0XFF,0X80,0X1F,0XFF,0XE0,0X7F,0XF0,
0X0F,0XFF,0X00,0X3F,0X83,0XF0,0X3F,0XF0,0X0F,0XFC,0X00,0X7E,0X00,0XF8,0X1F,0XF8,
0X1F,0XF8,0X00,0XF8,0X00,0X7E,0X0F,0XF8,0X1F,0XF0,0X03,0XF0,0X00,0X1F,0X03,0XFC,
0X1F,0XE0,0X07,0XE0,0X00,0X0F,0X81,0XFC,0X3F,0XC0,0X0F,0XC0,0X1F,0X07,0XC0,0XFC,
0X3F,0X00,0X1F,0X80,0X3F,0XC3,0XF0,0X7E,0X3F,0X00,0X3F,0X00,0X7F,0XE0,0XF8,0X7E,
0X7F,0X80,0X7C,0X00,0XFF,0XF0,0X7C,0X7E,0X7F,0XC1,0XF8,0X03,0XE0,0XFC,0X3E,0X7E,
0X7F,0XF0,0XF0,0X07,0X80,0X3E,0X1F,0XFF,0XFF,0XF8,0X60,0X0F,0X00,0X1F,0X0F,0XFF,
0X7F,0XFC,0X00,0X1E,0X00,0X0F,0X83,0XFF,0X7F,0X3E,0X00,0X3C,0X01,0X87,0XE1,0XFF,
0X7F,0X1F,0X00,0XF8,0X03,0XC3,0XF0,0XFF,0X7F,0X0F,0XC1,0XE0,0X07,0X80,0XF8,0X7F,
0X7F,0X87,0XE1,0XC0,0X1F,0X00,0X7C,0X7F,0XFF,0XC1,0XF0,0X00,0X3C,0X00,0X3E,0X7F,
0X7F,0XF0,0XF8,0X00,0X78,0X03,0X1F,0XFF,0XFF,0XF8,0X7E,0X00,0XF0,0X07,0X87,0XFF,
0X7F,0X7C,0X3F,0X01,0XE0,0X0F,0X83,0XFF,0X7F,0X3E,0X0F,0X87,0XC0,0X1F,0X01,0XFE,
0X7F,0X1F,0X87,0XFF,0X80,0X7E,0X00,0XFE,0X3F,0X07,0XC3,0XFE,0X00,0XFC,0X00,0X7E,
0X3F,0X03,0XE1,0XFC,0X01,0XF8,0X01,0XFE,0X3F,0X81,0XF0,0X70,0X03,0XF0,0X03,0XFE,
0X3F,0XC0,0XF8,0X00,0X07,0XC0,0X07,0XFC,0X1F,0XF0,0X3E,0X00,0X0F,0X80,0X0F,0XFC,
0X1F,0XF8,0X1F,0X00,0X3F,0X00,0X1F,0XF8,0X0F,0XFC,0X0F,0X80,0X7E,0X00,0X3F,0XF8,
0X0F,0XFE,0X07,0XE1,0XFC,0X00,0XFF,0XF0,0X07,0XFF,0X81,0XFF,0XF8,0X01,0XFF,0XF0,
0X07,0XFF,0XC0,0XFF,0XE0,0X03,0XFF,0XE0,0X03,0XFF,0XE0,0X7F,0XC0,0X07,0XFF,0XE0,
0X01,0XFF,0XF0,0X3F,0X80,0X1F,0XFF,0XC0,0X00,0XFF,0XF8,0X00,0X00,0X3F,0XFF,0X80,
0X00,0XFF,0XFE,0X00,0X00,0X7F,0XFF,0X00,0X00,0X7F,0XFF,0X00,0X00,0XFF,0XFE,0X00,
0X00,0X3F,0XFF,0X80,0X01,0XFF,0XFC,0X00,0X00,0X1F,0XFF,0XC0,0X07,0XFF,0XF8,0X00,
0X00,0X07,0XFF,0XF0,0X0F,0XFF,0XF0,0X00,0X00,0X03,0XFF,0XFC,0X3F,0XFF,0XE0,0X00,
0X00,0X01,0XFF,0XFF,0XFF,0XFF,0X80,0X00,0X00,0X00,0X7F,0XFF,0XFF,0XFE,0X00,0X00,
0X00,0X00,0X1F,0XFF,0XFF,0XFC,0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XE0,0X00,0X00,
0X00,0X00,0X00,0X7F,0XFF,0X00,0X00,0X00,0X00,0X00,0X00,0X0B,0XD0,0X00,0X00,0X00
};

flash unsigned char tab4[]={
/*-- 调入了一幅图像：联通图标 45678.bmp --*/
/*-- 宽度x高度=64x64 --*/
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,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X01,0XF0,0X03,0XE0,0X00,0X00,
0X00,0X00,0X07,0XFC,0X0F,0XF8,0X00,0X00,0X00,0X00,0X0F,0XFE,0X1F,0XFC,0X00,0X00,
0X00,0X00,0X1F,0XFF,0X3F,0XFE,0X00,0X00,0X00,0X00,0X1F,0XFF,0XFF,0XFE,0X00,0X00,
0X00,0X00,0X1F,0XBF,0XFF,0X7E,0X00,0X00,0X00,0X00,0X3E,0X1F,0XFC,0X1F,0X00,0X00,
0X00,0X00,0X3E,0X0F,0XFC,0X1F,0X00,0X00,0X00,0X00,0X3E,0X07,0XF8,0X1F,0X00,0X00,
0X00,0X00,0X3E,0X07,0XF8,0X1F,0X00,0X00,0X00,0X00,0X3E,0X0F,0XFC,0X3F,0X00,0X00,
0X00,0X00,0X1F,0X1F,0XFE,0X3E,0X00,0X00,0X00,0X00,0X1F,0X9F,0XFE,0X7E,0X00,0X00,
0X00,0X00,0X0F,0XCF,0X3C,0XFC,0X00,0X00,0X00,0X00,0X0F,0XE6,0X19,0XFC,0X00,0X00,
0X00,0X00,0X07,0XF0,0X13,0XF8,0X00,0X00,0X00,0X00,0X03,0XF0,0X07,0XF0,0X00,0X00,
0X00,0X70,0X01,0XF8,0X07,0XE0,0X03,0X80,0X01,0XFC,0X0C,0XFC,0X0F,0XC8,0X0F,0XE0,
0X07,0XFE,0X0C,0XFE,0X1F,0XCC,0X1F,0XF0,0X07,0XFF,0X1E,0X7F,0X3F,0X9E,0X3F,0XF8,
0X0F,0XFF,0XBF,0X3F,0XFF,0X3F,0X7F,0XFC,0X0F,0XFF,0XFF,0X1F,0XFE,0X3F,0XFF,0XFC,
0X1F,0X8F,0XFE,0X0F,0XFC,0X1F,0XFC,0X7E,0X1F,0X07,0XFC,0X0F,0XF8,0X0F,0XF8,0X3E,
0X1F,0X03,0XF8,0X07,0XF8,0X07,0XF0,0X3E,0X1F,0X03,0XF8,0X07,0XF8,0X07,0XF0,0X3E,
0X1F,0X07,0XFC,0X0F,0XFC,0X0F,0XF8,0X3E,0X1F,0X8F,0XFE,0X1F,0XFC,0X1F,0XFC,0X7E,
0X0F,0XFF,0XFF,0X1F,0XFE,0X3F,0XFF,0XFC,0X0F,0XFF,0XBF,0X3F,0X7F,0X3F,0X7F,0XFC,
0X07,0XFF,0X1E,0X7F,0X3F,0X9E,0X3F,0XF8,0X03,0XFE,0X0C,0XFE,0X1F,0XCC,0X1F,0XF0,
0X01,0XFC,0X01,0XFC,0X0F,0XE8,0X0F,0XE0,0X00,0X00,0X03,0XF8,0X07,0XE0,0X00,0X00,
0X00,0X00,0X03,0XF0,0X07,0XF0,0X00,0X00,0X00,0X00,0X07,0XE4,0X13,0XF8,0X00,0X00,
0X00,0X00,0X0F,0XEE,0X39,0XFC,0X00,0X00,0X00,0X00,0X1F,0XCF,0X7C,0XFC,0X00,0X00,
0X00,0X00,0X1F,0X9F,0XFE,0X7E,0X00,0X00,0X00,0X00,0X3F,0X1F,0XFE,0X3E,0X00,0X00,
0X00,0X00,0X3E,0X0F,0XFC,0X3F,0X00,0X00,0X00,0X00,0X3E,0X07,0XF8,0X1F,0X00,0X00,
0X00,0X00,0X3E,0X07,0XF8,0X1F,0X00,0X00,0X00,0X00,0X3E,0X0F,0XFC,0X1F,0X00,0X00,
0X00,0X00,0X3E,0X1F,0XFC,0X3F,0X00,0X00,0X00,0X00,0X3F,0XBF,0XFF,0X7E,0X00,0X00,
0X00,0X00,0X1F,0XFF,0X7F,0XFE,0X00,0X00,0X00,0X00,0X1F,0XFE,0X3F,0XFC,0X00,0X00,
0X00,0X00,0X0F,0XFE,0X1F,0XFC,0X00,0X00,0X00,0X00,0X07,0XFC,0X0F,0XF8,0X00,0X00,
0X00,0X00,0X01,0XF0,0X03,0XE0,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
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
};

void main(void)
{
delay_ms(200);
PORTB = 0xff;
DDRB = 0xff;        // PORTB.7输出，作为运行标志
init_lcd();          // LCD初始化，并清屏
LcdClearTXT();       // 文本区RAM清零
LcdClearBMP();       // 图形区RAM清零
run = 0;             // 运行标志亮
while(1)
{
    hz_disp();         // 显示汉字或字母
    LcdClearTXT();     // 文本区RAM清零

    lcdfill(0xff);     // 显示全亮
    delay_ms(1000);
    run = ~run;

    Disp_H_Line();     // 显示横条
    delay_ms(1000);
    run = ~run;

    lcdfill(0xaa);     // 显示竖条
    delay_ms(1000);
    run = ~run;

    frame();           // 显示边框
    delay_ms(1000);
    run = ~run;

    img_disp(tab);     // 显示联通图标128*64
    delay_ms(1000);
    run = ~run;

    img_disp(tab2);    // 显示移动图标128*64
    delay_ms(1000);
    run = ~run;

    img_disp2(tab3);   // 显示移动图标64*64
    img_disp3(tab4);   // 显示联通图标64*64
    delay_ms(1000);
    run = ~run;

    LcdClearBMP();     // 图形区RAM清零

}
}
/*------------------LCD写数据-----------------*/
void LCD_send_byte(unsigned char a)
{
unsigned char i;
for(i=0;i<8;i++)
{
    sclk = 0;
    delay_us(2);
    if(a&0x80)
      sid = 1;
    else
      sid = 0;
    delay_us(2);
    a = a<<1;
    sclk = 1;
    delay_us(2);
    sclk = 0;
    delay_us(2);
}
}
/*-------------------------LCD读数据-------------------------*/
unsigned char LCD_read_byte(void)
{
unsigned char i,dat,dat2;
dat=dat2=0;
DDRD &= ~(1< PORTD &= ~(1< delay_us(2);
for(i=0;i<8;i++)          // 读高字节
{
    dat = dat<<1;
    sclk = 0;
    delay_us(2);
    sclk = 1;
    delay_us(2);
    if((PIND&(1<     sclk = 0;
    delay_us(2);
}
for(i=0;i<8;i++)          // 读低字节
{
    dat2 = dat2<<1;
    sclk = 0;
    delay_us(2);
    sclk = 1;
    delay_us(2);
    if((PIND&(1<     sclk = 0;
    delay_us(2);
}
dat = (dat&0xf0) + (dat2&0x0f);
DDRD |= 1< delay_us(2);
return dat;
}
/*--------------检测LCD忙闲---------------*/
void chk_busy(void)
{
unsigned char dat;
do
{
    cs = 1;
    delay_us(2);
    LCD_send_byte(0xfc);
    dat = LCD_read_byte();
    delay_us(2);
    cs = 0;
    delay_us(2);
}while(dat&0x80);
}
/*------------------LCD初始化-----------------*/
void init_lcd(void)
{
PORTD = 0xff;
DDRD = 0xff;   // PD输出，提供LCD控制信号
sclk = 0;
cs = 0;
rst = 0;
delay_ms(2);
rst = 1;
delay_ms(10);
psb = 0;       // 串行
delay_us(2);
wr_comm(0x30); // 基本指令，8位数据模式
wr_comm(0x0C); // 显示开,游标关,反白关
wr_comm(0x01); // 清除显示，并且设定地址指针为00H
wr_comm(0x06); // 指定在资料的读取及写入时，设定游标的移动方向及指定显示的移位
}
/*------------写命令到LCD--------------*/
void wr_comm(unsigned char comm)
{
unsigned char temp;
chk_busy();
cs = 1;
delay_us(2);
LCD_send_byte(0xf8);   // 写命令
temp = comm&0xf0;
LCD_send_byte(temp); // 写高字节
temp=(comm&0x0f)<<4;
LCD_send_byte(temp); // 写低字节
delay_us(2);
cs = 0;
}
/*------------写数据到LCD--------------*/
void wr_data(unsigned char dat)
{
unsigned char temp;
chk_busy();
cs = 1;
delay_us(2);
LCD_send_byte(0xfa);   // 写数据
temp = dat&0xf0;
LCD_send_byte(temp);   // 写高字节
temp = (dat&0x0f)<<4;
LCD_send_byte(temp);   // 写低字节
delay_us(2);
cs = 0;
}
/*-------向LCD写一个字符串,长度64字符之内---------- */
void wr_str(unsigned char flash *s)
{
   while(*s>0)
   {
      wr_data(*s);
      s++;
   }
}
/*------------显示汉字或字母--------------*/
void hz_disp(void)
{
   wr_comm(0x30); // 基本指令，8位数据模式
   wr_comm(0x01); // 清除显示，并且设定地址指针为00H

   /*-显示4行汉字-*/
   wr_comm(0x80);     // 第 1 行
     wr_str(ex1);
   wr_comm(0x90);     // 第 2 行
     wr_str(ex2);
   wr_comm(0x88);     // 第 3 行
     wr_str(ex3);
   wr_comm(0x98);     // 第 4 行
     wr_str(ex4);
   run = ~run;
   delay_ms(3000);    // 延时
   wr_comm(0x01);     // 清除显示
   /*-显示4行汉字-*/
   wr_comm(0x80);
     wr_str(ex5);
   wr_comm(0x90);
     wr_str(ex6);
   wr_comm(0x88);
     wr_str(ex7);
   wr_comm(0x98);
     wr_str(ex8);
    run = ~run;
   delay_ms(3000);
   wr_comm(0x01);     // 清除显示
   /*-显示2行字母-*/
   wr_comm(0x80);
     wr_str(ex9);
   wr_comm(0x88);
     wr_str(ex10);
    run = ~run;
   delay_ms(3000);
   wr_comm(0x01);     // 清除显示
}
/*--------------------------- 显示图片，128*64 --------------------------- */
void img_disp(unsigned char flash *img)
{
unsigned char i,x,y;
unsigned int j=0;
for(i=0;i<9;i=i+8)       // i=0，控制上半屏，i=8，控制下半屏
{
    for(y=0;y<32;y++)      // y控制行地址
    {
      for(x=0;x<8;x++)     // x控制列地址
      {
        wr_comm(0x36);     // 功能设置:8位控制界面，扩充指令集，绘图显示开
        wr_comm(0x80+y);   // 行地址
        wr_comm(0x80+x+i); // 列地址 x+i=0~7, 上半屏，x+i=8~15，下半屏
        wr_data(img[j++]); // 高字节
        wr_data(img[j++]); // 低字节
        wr_comm(0x30);     // 功能设置:8位控制界面，基本指令集，绘图显示关
      }
    }
}
}
/*------------------------ 显示图片，64*64 ------------------------------ */
void img_disp2(unsigned char flash *img)   // 左半屏
{
unsigned char i,x,y;
unsigned int j=0;
for(i=0;i<9;i=i+8)       // i=0，控制上半屏，i=8，控制下半屏
{
    for(y=0;y<32;y++)      // y控制行地址
    {
      for(x=0;x<4;x++)     // x控制列地址
      {
        wr_comm(0x36);     // 功能设置:8位控制界面，扩充指令集，绘图显示开
        wr_comm(0x80+y);   // 行地址
        wr_comm(0x80+x+i); // 列地址 x+i=0~7, 上半屏，x+i=8~15，下半屏
        wr_data(img[j++]); // 高字节
        wr_data(img[j++]); // 低字节
        wr_comm(0x30);     // 功能设置:8位控制界面，基本指令集，绘图显示关
      }
    }
}
}
/*------------------------- 显示图片，64*64 ----------------------------- */
void img_disp3(unsigned char flash *img)    // 右半屏
{
unsigned char i,x,y;
unsigned int j=0;
for(i=0;i<9;i=i+8)       // i=0，控制上半屏，i=8，控制下半屏
{
    for(y=0;y<32;y++)      // y控制行地址
    {
      for(x=4;x<8;x++)     // x控制列地址
      {
        wr_comm(0x36);     // 功能设置:8位控制界面，扩充指令集，绘图显示开
        wr_comm(0x80+y);   // 行地址
        wr_comm(0x80+x+i); // 列地址 x+i=0~7, 上半屏，x+i=8~15，下半屏
        wr_data(img[j++]); // 高字节
        wr_data(img[j++]); // 低字节
        wr_comm(0x30);     // 功能设置:8位控制界面，基本指令集，绘图显示关
      }
    }
}
}
/*------- 整屏填充，全亮，或者竖条 -------- */
void lcdfill(unsigned char disdata)
{
unsigned char x,y;
for(y=0;y<32;y++)
{
    for(x=0;x<16;x++)
    {
      wr_comm(0x36);
      wr_comm(y+0x80);     //行地址
      wr_comm(x+0x80);     //列地址
      wr_comm(0x30);
      wr_data(disdata);
      wr_data(disdata);
    }
}
}
/*--------------- 显示横条 -----------------*/
void Disp_H_Line()
{ unsigned char x,y;
   unsigned char k=0x00;
   for(y=0;y<32;y++)
   { k=~k;
     for(x=0;x<16;x++)
     {
       wr_comm(0x36);
       wr_comm(y+0x80);     //行地址
       wr_comm(x+0x80);     //列地址
       wr_comm(0x30);
       wr_data(k);
       wr_data(k);
     }
   }
}
/*---------------- 显示边框 ----------------*/
void frame()
{
unsigned char x,y;
lcdfill(0x00);
for(x=0;x<9;x+=8)
{
    for(y=0;y<32;y++)
    {
      wr_comm(0x36);
      wr_comm(y+0x80);      //行地址
      wr_comm(x+0x80);      //列地址
      wr_comm(0x30);
      wr_data(0x80);
      wr_data(0x00);

      wr_comm(0x36);
      wr_comm(y+0x80);      //行地址
      wr_comm(x+0x87);      //列地址
      wr_comm(0x30);
      wr_data(0x00);
      wr_data(0x01);
    }
}
for(y=0;y<2;y++)
{
    for(x=0;x<8;x++)
    {
      wr_comm(0x36);
      wr_comm(y*31+0x80);      //行地址
      wr_comm(x+0x80+8*y);     //列地址
      wr_comm(0x30);
      wr_data(0xff);
      wr_data(0xff);
    }
}
}
/*----------------文本区清RAM函数----------------*/
void LcdClearTXT(void)
{
     unsigned char i;
     wr_comm(0x30);      // 8BitMCU,基本指令集合
     wr_comm(0x80);      // AC归起始位
     for(i=0;i<64;i++)
       wr_data(0x20);
}
/*-----------------图形区清RAM函数-----------------*/
void LcdClearBMP(void)
{
     unsigned char i,j;
     wr_comm(0x34);        // 8Bit扩充指令集,即使是36H也要写两次
     wr_comm(0x36);        // 绘图ON,基本指令集里面36H不能开绘图
     for(i=0;i<32;i++)     // 12864实际为256x32
     {
       wr_comm(0x80|i);    // 行位置
       wr_comm(0x80);      // 列位置
       for(j=0;j<32;j++)   // 256/8=32 byte
         wr_data(0);
     }
}

关键字：带字库串行方式显示 AVR程序引用地址：12864(带字库)串行方式显示汉字和字库-CVAVR程序

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