向楼主学习 楼主能不能上传取字模的软件啊~?!谢谢楼主 st7920显示中文和反白都很容易,要在指定位置显示一个英文字符和反白就比较麻烦了。 mark mark 学习了 mark 好东西,收藏了 mark 好帖,必须MARK mark 谢谢分享 不错 反白标记!谢谢楼主。。。 好!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 顶! 路过! mark一下,有时间仔细看啊! 学习 MARK come on 太帅了 一点就亮膜拜 好早的帖啊,好好的帖啊 移植到GCC成功
/***********************************************************************
工 程:ST7920驱动的12864液晶的3线串行驱动模式
创建日期:2007年9月16日
创 建 人:朱海峰
邮 箱:ntzhf100@163.com QQ:543376422
引脚定义:RS(CS)=====>PB5
RW(SID)====>PB6
EN(SCLK)===>PB7
PSB为硬件控制,接高电平为8位或4位的并行模式,接低电平为串行模式
本例程使用3线串行模式
************************************************************************/
#include <avr/io.h>
#include <util/delay.h>
#define uchar unsigned char
#define uint unsigned int
#define nop() asm("nop")
#define xtal 8
#define CS PB5
#define SID PB6
#define SCLK PB7
#define Set_CS() DDRB |= (1<<CS);PORTB |= (1<<CS)
#define Set_SID() DDRB |= (1<<SID);PORTB |= (1<<SID)
#define Set_SCLK() DDRB |= (1<<SCLK);PORTB |= (1<<SCLK)
#define Clr_CS() DDRB |= (1<<CS);PORTB &=~(1<<CS)
#define Clr_SID() DDRB |= (1<<SID);PORTB &=~(1<<SID)
#define Clr_SCLK() DDRB |= (1<<SCLK);PORTB &=~(1<<SCLK)
//====================================================================
//函数声明
//void Delay(volatile uint ms); //延时子程序
void W_1byte(uchar RW, uchar RS, uchar W_data);
void Write_8bits(uint W_bits);
void LCD_Init(void);
void Char_Set_XY(uchar x, uchar y, uchar *p);
void Set_Draw(void);
//设定哪一行,从那一个位置开始到那一个位置结束使用反白
//x=液晶屏上汉字的位置(1~8);end_x=汉字结束的地址(1~8);y=1~4行
//clear=1:清除反白;clear=0:设置反白;
void Set_White(uchar x,uchar y,uchar end_x,uchar clear);
void Draw_Pic(uchar x, uchar y, const uchar *Draw);
/*
/********************************************************************
********************************************************************/
const uchar PIC1={
/*--调入了一幅图像:C:\Documents and Settings\Administrator\桌面\atmel.bmp--*/
/*--宽度x高度=128x64--*/
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,
0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,
0x00,0x00,0x00,0x07,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x07,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x3F,0xE7,0xFC,0xFF,0xFF,0xFF,0xE0,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x00,0x3F,0xE7,0xFC,0xFF,0xFF,0xFF,0xF0,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x00,0x7F,0xE7,0xFC,0xFF,0xFF,0xFF,0xF8,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x00,0x7F,0xE7,0xFC,0xFF,0xFF,0xFF,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x00,0xFF,0xE7,0xFC,0xFF,0xBF,0xEF,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x00,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x01,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x03,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x03,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x07,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFC,0x00,0x0F,0xF8,0x00,0x00,0x00,
0x00,0x07,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x0F,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x0F,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x1F,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x1F,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x3F,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x3F,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0x7F,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0xFF,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xF8,0x00,0x00,0x00,
0x00,0xFF,0xFF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFC,0x00,0x0F,0xF8,0x00,0x00,0x00,
0x01,0xFF,0xBF,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFE,0x00,0x0F,0xF8,0x00,0x00,0x00,
0x01,0xFF,0x3F,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xFF,0xF8,0x00,0x00,
0x03,0xFF,0x3F,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xFF,0xF8,0x00,0x00,
0x03,0xFE,0x3F,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xFF,0xF0,0x00,0x00,
0x07,0xFE,0x3F,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xFF,0xF0,0x00,0x00,
0x07,0xFF,0x3F,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xFF,0xE0,0x00,0x00,
0x0F,0xFF,0x3F,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xFF,0xE0,0x00,0x00,
0x0F,0xFF,0x3F,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xFF,0xC0,0x00,0x00,
0x1F,0xFF,0x3F,0xE7,0xFC,0xFF,0xBF,0xE7,0xFC,0xFF,0xFF,0xCF,0xFF,0xC0,0x00,0x00,
0x1F,0xFF,0x3F,0xE7,0xFC,0xFF,0x1F,0xE7,0xFC,0xFF,0xFF,0xCF,0xFF,0x80,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x3E,0x00,0x00,
0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x63,0x00,0x00,
0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0xFD,0x00,0x00,
0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0xB6,0x80,0x00,
0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0xBE,0x80,0x00,
0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0xB6,0x80,0x00,
0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0xF7,0x00,0x00,
0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x63,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,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
};
//==================================================================
const uchar PIC2={
/*--调入了一幅图像:C:\Documents and Settings\Administrator\桌面\AVR.BMP--*/
/*--宽度x高度=128x64--*/
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x43,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xBD,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x27,
0x00,0x00,0x1F,0xFF,0x83,0xFF,0xE0,0x00,0x00,0xFF,0xF8,0x3F,0xFF,0xFF,0x01,0x3C,
0x00,0x00,0x3F,0xFF,0x81,0xFF,0xF0,0x00,0x01,0xFF,0xF0,0x7F,0xFF,0xFF,0xC1,0x3E,
0x00,0x00,0x3F,0xFF,0xC1,0xFF,0xF0,0x00,0x01,0xFF,0xF0,0x7F,0xFF,0xFF,0xE0,0xA7,
0x00,0x00,0x3F,0xFF,0xC1,0xFF,0xF0,0x00,0x03,0xFF,0xE0,0x7F,0xFF,0xFF,0xF0,0xE7,
0x00,0x00,0x7F,0xFF,0xE0,0xFF,0xF8,0x00,0x03,0xFF,0xE0,0xFF,0xFF,0xFF,0xF8,0x7E,
0x00,0x00,0x7F,0xFF,0xE0,0xFF,0xF8,0x00,0x03,0xFF,0xE0,0xFF,0xFF,0xFF,0xF8,0x00,
0x00,0x00,0x7F,0xFF,0xE0,0x7F,0xFC,0x00,0x07,0xFF,0xC1,0xFF,0xFF,0xFF,0xFC,0x00,
0x00,0x00,0xFF,0xFF,0xF0,0x7F,0xFC,0x00,0x07,0xFF,0xC1,0xFF,0xFF,0xFF,0xFC,0x00,
0x00,0x00,0xFF,0xFF,0xF0,0x7F,0xFE,0x00,0x0F,0xFF,0x83,0xFF,0xFF,0xFF,0xFE,0x00,
0x00,0x01,0xFF,0xFF,0xF8,0x3F,0xFE,0x00,0x0F,0xFF,0x83,0xFF,0xE0,0x7F,0xFE,0x00,
0x00,0x01,0xFF,0xFF,0xF8,0x3F,0xFE,0x00,0x1F,0xFF,0x07,0xFF,0xC0,0x3F,0xFE,0x00,
0x00,0x03,0xFF,0xFF,0xF8,0x3F,0xFF,0x00,0x1F,0xFF,0x07,0xFF,0xC0,0x3F,0xFE,0x00,
0x00,0x03,0xFF,0xFF,0xFC,0x1F,0xFF,0x00,0x1F,0xFE,0x07,0xFF,0xC0,0x3F,0xFE,0x00,
0x00,0x03,0xFF,0xFF,0xFC,0x1F,0xFF,0x80,0x3F,0xFE,0x0F,0xFF,0x80,0x3F,0xFE,0x00,
0x00,0x07,0xFF,0xFF,0xFE,0x0F,0xFF,0x80,0x3F,0xFE,0x0F,0xFF,0x80,0x3F,0xFE,0x00,
0x00,0x07,0xFF,0x9F,0xFE,0x0F,0xFF,0x80,0x7F,0xFC,0x1F,0xFF,0x00,0x7F,0xFE,0x00,
0x00,0x07,0xFF,0x9F,0xFF,0x07,0xFF,0xC0,0x7F,0xFC,0x1F,0xFF,0x00,0xFF,0xFC,0x00,
0x00,0x0F,0xFF,0x8F,0xFF,0x07,0xFF,0xC0,0x7F,0xF8,0x1F,0xFF,0x01,0xFF,0xFC,0x00,
0x00,0x0F,0xFF,0x0F,0xFF,0x03,0xFF,0xC0,0xFF,0xF8,0x3F,0xFF,0xFF,0xFF,0xF8,0x00,
0x00,0x0F,0xFF,0x0F,0xFF,0x83,0xFF,0xE0,0xFF,0xF8,0x3F,0xFF,0xFF,0xFF,0xF8,0x00,
0x00,0x1F,0xFF,0x07,0xFF,0x83,0xFF,0xE1,0xFF,0xF0,0x7F,0xFF,0xFF,0xFF,0xF0,0x00,
0x00,0x1F,0xFE,0x07,0xFF,0xC1,0xFF,0xF1,0xFF,0xF0,0x7F,0xFF,0xFF,0xFF,0xE0,0x00,
0x00,0x3F,0xFE,0x07,0xFF,0xC1,0xFF,0xF3,0xFF,0xE0,0x7F,0xFF,0xFF,0xFF,0xC0,0x00,
0x00,0x3F,0xFE,0x03,0xFF,0xC0,0xFF,0xFB,0xFF,0xE0,0xFF,0xFF,0xFF,0xFF,0x80,0x00,
0x00,0x7F,0xFC,0x03,0xFF,0xE0,0xFF,0xFB,0xFF,0xC0,0xFF,0xFF,0xFF,0xFF,0x00,0x00,
0x00,0x7F,0xFC,0x03,0xFF,0xE0,0x7F,0xFF,0xFF,0xC1,0xFF,0xFF,0xFF,0xFC,0x00,0x00,
0x00,0x7F,0xF8,0x01,0xFF,0xF0,0x7F,0xFF,0xFF,0x81,0xFF,0xFF,0xFF,0xE0,0x00,0x00,
0x00,0xFF,0xFF,0xFF,0xFF,0xF8,0x3F,0xFF,0xFF,0x83,0xFF,0xFF,0xFF,0xC0,0x00,0x00,
0x00,0xFF,0xFF,0xFF,0xFF,0xF8,0x3F,0xFF,0xFF,0x83,0xFF,0xF3,0xFF,0xC0,0x00,0x00,
0x00,0xFF,0xFF,0xFF,0xFF,0xF8,0x3F,0xFF,0xFF,0x03,0xFF,0xE3,0xFF,0xE0,0x00,0x00,
0x01,0xFF,0xFF,0xFF,0xFF,0xFC,0x1F,0xFF,0xFF,0x07,0xFF,0xE3,0xFF,0xE0,0x00,0x00,
0x01,0xFF,0xFF,0xFF,0xFF,0xFC,0x1F,0xFF,0xFE,0x07,0xFF,0xC3,0xFF,0xE0,0x00,0x00,
0x03,0xFF,0xFF,0xFF,0xFF,0xFE,0x1F,0xFF,0xFE,0x0F,0xFF,0xC1,0xFF,0xF0,0x00,0x00,
0x03,0xFF,0xFF,0xFF,0xFF,0xFE,0x0F,0xFF,0xFE,0x0F,0xFF,0x81,0xFF,0xF0,0x00,0x00,
0x03,0xFF,0xFF,0xFF,0xFF,0xFE,0x0F,0xFF,0xFC,0x0F,0xFF,0x81,0xFF,0xF8,0x00,0x00,
0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0x07,0xFF,0xFC,0x1F,0xFF,0x81,0xFF,0xF8,0x00,0x00,
0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0x07,0xFF,0xF8,0x3F,0xFF,0x00,0xFF,0xF8,0x00,0x00,
0x0F,0xFF,0xC0,0x00,0x1F,0xFF,0x83,0xFF,0xF8,0x3F,0xFF,0x00,0xFF,0xF8,0x00,0x00,
0x0F,0xFF,0x80,0x00,0x0F,0xFF,0x83,0xFF,0xF0,0x3F,0xFE,0x00,0xFF,0xFC,0x00,0x00,
0x0F,0xFF,0x80,0x00,0x0F,0xFF,0xC3,0xFF,0xF0,0x7F,0xFE,0x00,0x7F,0xFC,0x00,0x00,
0x1F,0xFF,0x00,0x00,0x0F,0xFF,0xC1,0xFF,0xF0,0x7F,0xFC,0x00,0x7F,0xFC,0x00,0x00,
0x1F,0xFF,0x00,0x00,0x07,0xFF,0xC1,0xFF,0xE0,0x7F,0xFC,0x00,0x7F,0xFE,0x00,0x00,
0x1F,0xFF,0x00,0x00,0x07,0xFF,0xE0,0xFF,0xE0,0xFF,0xF8,0x00,0x7F,0xFE,0x00,0x00,
0x3F,0xFE,0x00,0x00,0x03,0xFF,0xE0,0xFF,0xC0,0xFF,0xF8,0x00,0x3F,0xFE,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,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
};
/********************************************************************/
int main()
{
uchar i = 0;
PORTB = 0XFF; //
DDRB = 0XFF; //PB口全部设为输出模式
Clr_CS();
Clr_SID();
Clr_SCLK();
LCD_Init();
//Delay(50);
_delay_ms(50);
LCD_Init(); //初始化两边是关键,否则液晶上电重起将不能显示
while(1)
{
nop();
nop();
_delay_ms(500);
Char_Set_XY(0,0,"ST7920_3_wires");
Char_Set_XY(2,1,"反白练习");
Char_Set_XY(0,2,"可以单字反白或不");
Char_Set_XY(3,3,"反白");
_delay_ms(2000);
_delay_ms(2000);
Set_Draw();
_delay_ms(100);
Set_White(1,1,7,0); //第1行,第1个汉字位置到第8汉字位置反白
Set_White(3,2,6,0); //第2行,第3个汉字位置到第6汉字位置反白
Set_White(1,3,8,0); //第3行,第1个汉字位置到第8汉字位置反白
Set_White(4,4,5,0); //第4行,第4个汉字位置到第5汉字位置反白
_delay_ms(2000);
_delay_ms(2000);
Set_White(4,1,4,1); //第1行,第4个汉字位置等取消反白
Set_White(5,2,5,1); //第2行,第5个汉字位置等取消反白
Set_White(6,3,6,1); //第3行,第6个汉字位置等取消反白
Set_White(4,4,4,1); //第4行,第4个汉字位置等取消反白
_delay_ms(2000);
_delay_ms(2000);
Set_White(1,1,1,1); //
Set_White(3,2,3,1); //
Set_White(2,3,2,1); //
Set_White(5,4,5,1); //
_delay_ms(2000);
_delay_ms(2000);
Set_White(1,1,8,1); //第1行,第1个汉字位置到第8汉字位置取消反白
Set_White(1,2,8,1); //第2行,第1个汉字位置到第8汉字位置取消反白
Set_White(1,3,8,1); //第3行,第1个汉字位置到第8汉字位置取消反白
Set_White(1,4,8,1); //第4行,第1个汉字位置到第8汉字位置取消反白
_delay_ms(2000);
_delay_ms(2000);
W_1byte(0,0,0x30); //基本指令集,,绘图显示OFF
W_1byte(0,0,0x01); //清除显示
W_1byte(0,0,0x01); //清除显示
W_1byte(0,0,0x01); //清除显示
Set_Draw();
_delay_ms(100);
Draw_Pic(0,0,*PIC1); //先替换液晶内部RAM中的数据,再开显示
W_1byte(0,0,0x36); //8BIT控制界面,扩充指令集,,绘图显示ON
_delay_ms(5000);
W_1byte(0,0,0x34); //绘图显示OFF,主要解决画图时拖尾的现象,即先
//替换好液晶内部RAM中的数据在开显示。
Draw_Pic(0,0,*PIC2);
W_1byte(0,0,0x36); //8BIT控制界面,扩充指令集,绘图显示ON
_delay_ms(5000);
//画完图后要显示文字要重新设置成普通模式
W_1byte(0,0,0x30); //基本指令集,,绘图显示OFF
W_1byte(0,0,0x01); //清除显示
}
}
/******************************************************************/
void LCD_Init(void)
{
uchar cmd;
cmd=0x30; //功能设置 8位数据,基本指令
W_1byte(0,0,cmd);
_delay_ms(2);
cmd=0x0C; //显示状态 ON,游标OFF,反白OFF
W_1byte(0,0,cmd); //写指令
_delay_ms(2);
cmd=0x01; //清除显示
W_1byte(0,0,cmd); //写指令
_delay_ms(2);
cmd=0x02; //地址归位
W_1byte(0,0,cmd); //写指令
_delay_ms(2);
cmd=0x80; //设置DDRAM地址
W_1byte(0,0,cmd); //写指令
_delay_ms(2); //延时
}
/*******************************************************************
函 数 名:W_1byte
入口参数:RW、RS、W_data
出口参数:无
建立日期:2007年3月3日
修改日期:
函数作用:写一个字节的数据到12864液晶,包括指令和数据
说 明:RW=1,从液晶读数据到MCU;RW=0,写一个数据到液晶;
(一般RW都设为0,即只向液晶写数据,不读数据)
RS=1,写入的是数据;RS=0,写入的是指令;
一般模式:RW=0,RS=1;写数据
RW=0,RS=0;写指令
********************************************************************/
void W_1byte(uchar RW, uchar RS, uchar W_data)
{
uint H_data,L_data,S_ID = 0xf8; //11111RWRS0
if(RW == 0)
{
S_ID &=~ 0x04;
}
else //if(RW==1)
{
S_ID |= 0X04;
}
if(RS == 0)
{
S_ID &=~ 0x02;
}
else //if(RS==1)
{
S_ID |= 0X02;
}
H_data = W_data;
H_data &= 0xf0; //屏蔽低4位的数据
L_data = W_data; //xxxx0000格式
L_data &= 0x0f; //屏蔽高4位的数据
L_data <<= 4; //xxxx0000格式
Set_CS();
Write_8bits(S_ID); //发送S_ID
Write_8bits(H_data); //发送H_data
Write_8bits(L_data); //发送L_data
Clr_CS();
}
/********************************************************************
函 数 名:Write_8bits
入口参数:W_bits
出口参数:无
建立日期:2007年3月3日
修改日期:
函数作用:负责串行输出8个bit位
说 明:
********************************************************************/
void Write_8bits(uint W_bits)
{
uint i,Temp_data;
for(i=0; i<8; i++)
{
Temp_data = W_bits;
Temp_data <<= i;
if((Temp_data&0x80)==0)
{
Clr_SID();
}
else
{
Set_SID();
}
nop();
Set_SCLK();
nop();
nop();
Clr_SCLK();
nop();
Clr_SID();
}
}
/********************************************************************
函 数 名:Delay
入口参数:ms
出口参数:无
建立日期:2007年3月3日
修改日期:
函数作用:毫秒级的延时程序,当晶振为12Mhz时,xtal=12;
说 明:
********************************************************************/
void Delay(volatile uint ms)
{
uint i;
while(ms--)
{
for(i=1;i<(uint)(xtal*143-2);i++)
;
}
}
//===================================================================*/
/********************************************************************
函 数 名:Char_Set_XY
入口参数:x,y,*p
出口参数:无
建立日期:2007年8月26日
修改日期:
函数作用:
说 明:
********************************************************************/
void Char_Set_XY(uchar x, uchar y, uchar *p)
{
if(y == 0)
{
W_1byte(0,0,(0x80+x));
}
if(y == 1)
{
W_1byte(0,0,(0x90+x));
}
if(y == 2)
{
W_1byte(0,0,(0x88+x));
}
if(y == 3)
{
W_1byte(0,0,(0x98+x));
}
while(*p != 0)
{
W_1byte(0,1,*p++);
}
}
//===================================================================*/
/********************************************************************
函 数 名:Set_Draw(
入口参数:无
出口参数:无
建立日期:2007年8月26日
修改日期:
函数作用:
说 明:
********************************************************************/
void Set_Draw(void)
{
//W_1byte(0,0,0x01); //清屏
_delay_ms(20); //延时
//W_1byte(0,0,0x34); //8BIT控制界面,扩充指令集,,绘图显示OFF
W_1byte(0,0,0x36);
_delay_ms(20); //延时
}
//===================================================================*/
/********************************************************************
函 数 名:Draw_Pic128*64
入口参数:x,y,*Draw
出口参数:无
建立日期:2007年8月26日
修改日期:
函数作用:
说 明:
********************************************************************/
/*************************************************/
void Draw_Pic(uchar x, uchar y, const uchar *Draw)
{
uchar i, j, temp_x, temp_y; //
temp_x = x; //
temp_y = y; //
temp_x |= 0x80; //
temp_y |= 0x80; //
for(i=0;i<32;i++ ) //上半屏32行
{
W_1byte(0,0,temp_y++); //设置绘图区的Y地址坐标0
W_1byte(0,0,temp_x); //设置绘图区的X地址坐标0
for(j=0;j<16;j++) //
{
W_1byte(0,1,*Draw++); //
}
}
temp_x = 0x88; //
temp_y = 0x80; //
j = 0; //
for(;i<64;i++ )
{
W_1byte(0,0,temp_y++); //设置绘图区的Y地址坐标
W_1byte(0,0,temp_x); //设置绘图区的X地址坐标
for(j=0;j<16;j++)
{
W_1byte(0,1,*Draw++); //
}
}
}
/**************************************************/
/**************************************************/
void Set_White(uchar x,uchar y,uchar end_x,uchar clear)
{
uchar i, j, white_x, white_y,white_end_x,clr_x,clr_y; //
white_end_x = (end_x-x+1);
white_end_x <<= 1;
if(y==1)
{
white_x = (0x80+x-1);
white_y = 0x80;
clr_x = 0x80;
clr_y = 0x80;
}
else if(y==2)
{
white_x = (0x80+x-1);
white_y = 0x90;
clr_x = 0x80;
clr_y = 0x90;
}
else if(y==3)
{
white_x = (0x88+x-1);
white_y = 0x80;
clr_x = 0x88;
clr_y = 0x80;
}
else if(y==4)
{
white_x = (0x88+x-1);
white_y = 0x90;
clr_x = 0x88;
clr_y = 0x90;
}
if(clear==0)//要反白时,先将整行的液晶全部清成不反白(此处行指y)
{
for(i=0;i<16;i++ ) //16行
{
W_1byte(0,0,clr_y++); //设置绘图区的Y地址坐标0
W_1byte(0,0,clr_x); //设置绘图区的X地址坐标0
for(j=0;j<16;j++) //
{
W_1byte(0,1,0x00); //清成不反白
nop();
}
}
}
nop();
for(i=0;i<16;i++ ) //16行,因为是16*16汉字
{
W_1byte(0,0,white_y++); //设置绘图区的Y地址坐标0
W_1byte(0,0,white_x); //设置绘图区的X地址坐标0
for(j=0;j<white_end_x;j++) //
{
if(clear==1)
{
W_1byte(0,1,0x00); //取消这一行的8个点的反白,液晶地址自动加1
//(此处行指一个一个液晶点所组成的行)
}
else
{
W_1byte(0,1,0xff); //反白这一行的8个点,液晶地址自动加1
//(此处行指一个一个液晶点所组成的行)
}
nop();
}
}
}
/*************************************************/ 学习一下! 试试看……………… 很不错 mark,论坛里面很少有液晶方面的资料…… 顶下~ 为什么我已经登录 却不能下载附件 好东西 MK 留意一下 反白的速度比较慢啊! MARK 我正在看,先标记一下 mark了 。。。 记号 就是先用字库显示汉字然后把有汉字的地方全部用绘图写FF就可以把汉字反白了,这是我无意中发现的,呵呵
————————————————————————————————————————————————————
这方法好呀 找了一圈....终于搞定了
顺便说一下
部分的ST7920 是事先就固定只能用并行的 要去掉R9一个0欧姆的电阻 改到R10上 MARK.... 好东西 发现一个问题iccvar 汉字显示的程序 移植到AVR 显示是错误但是字符 和画图程序 却可以 这点谁碰到没有 好东西 收藏 怎样在任意点上显示的? 之前一段时间做过反白,总有杂点,试试楼主这个看看效果 很好不错,谢谢楼主的资料 记下先 mark 多谢楼主,PIC16F877A并行模式移植成功 MARK! mark 谢谢楼主分享!!!! mark mark 不错!!!
mark 顶一个,先标记 用得着~ 有个12864液晶,刚好可以试试。 MARK 看样子用得上 刚好在研究反白,mark!!! mark 顶一下不错! 怎么能让12864的显示旋转180度 看看不错 mark 经鉴定有用
相当不错的程序,可我还是有两个小小的问题,前面51楼和71楼的朋友已经说过了,但我还是想说一下,就是显示字母和数字的时候,如何只对奇数的字母反白,打个比方说:我显示屏上第一行显示的是时间18:29:34现在我要对分钟进行修改,也就是要让29反白,我该如何实现呢,再者就是,我用此做菜单的时候,就出现了71楼说的情况,反应实在太慢了,我字都送上去好久了,才反白,刚开始我还以为是我的按键没用了呢,请楼主和各位大神指点一下,非常感谢。{:smile:} lanshuitianxia 发表于 2007-10-7 23:28 static/image/common/back.gif
哈哈 十一回家时逛街顺便买了个摄像头玩玩。来上几个液晶反白的效果图。效果不好,让大家见笑了。
正筹划着 ...
请问下,单个字符能反白吗?看你的是单个汉字。 3线模式好啊,省资源! 学习学习、、、 路过,插个记号! 记号一下,........... lanshuitianxia 发表于 2007-9-17 00:45 static/image/common/back.gif
自己顶一下,可惜没有相机,要不可以传几张效果图上来了。那个有兴趣把这个程序试一下,并拍几个图片上来啊 ...
请问一下这个可以实现单个字符的反白吗?我看你写的是任意位置汉子的反白~~ 学习了!学习了! mark 想法挺有创意的ya~{:smile:} 楼主,我用51移植,显示不成功喔
好帖,学习了
不错!!
做个记号,以后好查 学习了,谢谢啦~,不知道为什么我的老是不成功~
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