12864(带字库)并行方式显示汉字和图形-CVAVR程序-电子工程世界

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// HS12864-15B - 并行方式

// 带字库
// 芯片 ATMEGA16L
// 时钟 4MHz 内部
// 采用系统自带延时程序
// 功能1：汉字及字母的显示，汉字不能错位
// 功能2：图形显示，显示横线、竖线、边框、128*64图像、64*64图像
// 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 LCD_Bus   PORTC    // 数据总线
#define rs        PORTD.2 // 数据&指令选择,H:写数据,L:写指令
#define rw        PORTD.3 // 读&写选择,H:read,L:write
#define e         PORTD.4 // 读写使能
#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 bf        7        // 忙闲状态标志位，PORTC.7，H：内部正执行操作，L：空闲
#define run       PORTB.7 // 运行标志

void init_lcd(void);                       // 初始化
void chk_busy(void);                       // 检测忙闲
void wr_data(unsigned char dat);           // 写数据到LCD
void wr_comm(unsigned char comm);          // 写命令到LCD
void wr_str(unsigned char flash *s);       // 向LCD写字符串,长度64字符之内（32个汉字）,指针要指向ROM
void hz_disp(void);                        // 写汉字或字母
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 LcdClearTXT(void);                    // 文本区RAM清零
void LcdClearBMP(void);                    // 图形区RAM清零
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

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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0XFF,0XFF,0XFF,0X80,0X3F,0XF8,0X00,0X01,0XFF,0X00,0X00,0X3F,0X80,0X7F,0XFF,0XFF,
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;        // PB.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(3000);

Disp_H_Line(); // 显示横条
delay_ms(3000);

lcdfill(0xaa); // 显示竖条
delay_ms(3000);

frame(); // 显示边框
delay_ms(3000);

img_disp(tab); // 显示联通图标128*64
delay_ms(3000);

img_disp(tab2); // 显示移动图标128*64
delay_ms(3000);

    img_disp2(tab3); // 显示移动图标64*64
    img_disp3(tab4); // 显示联通图标64*64
    delay_ms(3000);

    LcdClearBMP();    // 图形区RAM清零
}
}
/*------------------LCD初始化-----------------*/
void init_lcd(void)
{
PORTD = 0xff;
PORTC = 0xff;
DDRD = 0xff;   // PD输出，控制线
DDRC = 0xff;   // PC输出，数据线
rst = 0;
delay_us(50);
rst = 1;
delay_us(100);
psb = 1;       // 并行
wr_comm(0x30); // 基本指令，8位数据模式
delay_us(3);
wr_comm(0x0C); // 显示开,游标关,反白关
delay_us(3);
wr_comm(0x01); // 清除显示，并且设定地址指针为00H
delay_us(3);
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
}
/*--------------检测LCD忙闲---------------*/
void chk_busy(void)
{
LCD_Bus = 0xff;
rs = 0;
rw = 1;
delay_us(2);
e = 1;
DDRC &= ~(1< delay_us(2);
while((PINC&(1< e = 0;
DDRC |= 1< delay_us(2);
}
/*------------写命令到LCD--------------*/
void wr_comm(unsigned char comm)
{
chk_busy();
rs = 0;//H:写数据,L:写指令
rw = 0;
e = 0;
delay_us(2);
LCD_Bus = comm;//内容
delay_us(3);
e = 1;
delay_us(2);
e = 0;
}
/*------------写数据到LCD--------------*/
void wr_data(unsigned char dat)
{
chk_busy();
rs = 1;//H:写数据,L:写指令
rw = 0;
e = 0;
delay_us(2);
LCD_Bus = dat;//内容
delay_us(3);
e = 1;
delay_us(2);
e = 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 = 1;
   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 = 0;
   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);
   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) //整屏写入数据:全亮，或者竖条
{
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);
    }
    wr_comm(0x34);
    wr_comm(0x36);
}
}
/*---------------------- 显示横条 -----------------------------*/
void Disp_H_Line(void)
{ 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);
     }
   }
   wr_comm(0x34);
   wr_comm(0x36);
}
/*------------------ 显示边框 -------------------------------*/
void frame(void)
{
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);
    }
}
wr_comm(0x34);
wr_comm(0x36);
}
/*----------------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：带字库并行方式显示 AVR程序引用地址：12864(带字库)并行方式显示汉字和图形-CVAVR程序

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