📄 lcd7920.c.bak
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/****************************************************************************
* *
* File: LCD.C *
* *
* Created: 29/12/05 *
* *
* Author: 王凤秀 *
* *
* Compiler: KEIL C51 V6.23 *
* *
* Description: RT12864液晶屏例程库. *
* *
*****************************************************************************
* *
* Version | Date | Description *
* --------+----------+----------------------------------------------------- *
* V1.0 | 21.11.95 | 原始文本 *
* *
****************************************************************************/
#define _LCD_GLOBALS
#include "Includes.h"
/*******************************************************************************************
* *
* Function:uchar void LCD_LCD_Send_CMDD(uchar *Cmd_Array) *
* *
* Input: -Cmd_Array为命令数组,使用3个单元 *
* 0--命令的第一参数 *
* 1--命令的第二参数 *
* 2--命令码 *
* *
* Output: - *
* *
* Description: 向液晶屏发送命令. *
* *
*******************************************************************************************/
uchar code WS_TAB[816] ={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x00,0x00,0x03,0xFF,0xFF,0xFF,0x80,
0x00,0x7F,0xC0,0x00,0x00,0x00,0x00,0x01,0xFF,0x80,0x00,0xFF,0xFF,0xFF,0xFF,0xE0,
0x01,0xFF,0xF0,0x00,0x00,0x00,0x00,0x07,0xFF,0xC0,0x0F,0xFF,0xFF,0xFF,0xFF,0xF0,
0x03,0xFF,0xF8,0x00,0x00,0x00,0x00,0x0F,0xFF,0xE0,0x3F,0xFF,0xFF,0xFF,0xFF,0xF0,
0x03,0xFF,0xFC,0x00,0x00,0x00,0x00,0x0F,0xFF,0xF0,0x7F,0xFF,0xFF,0xFF,0xFF,0xC0,
0x03,0xFF,0xFE,0x00,0x00,0x00,0x00,0x1F,0xFF,0xE0,0xFF,0xFF,0x00,0x00,0x00,0x00,
0x01,0xFF,0xFE,0x00,0x00,0x00,0x00,0x3F,0xFF,0xC0,0xFF,0xFE,0x00,0x00,0x00,0x00,
0x00,0xFF,0xFF,0x00,0x00,0x00,0x00,0x7F,0xFF,0x80,0xFF,0xFC,0x00,0x00,0x00,0x00,
0x00,0x7F,0xFF,0x80,0x1F,0x80,0x00,0xFF,0xFF,0x00,0xFF,0xFC,0x00,0x00,0x00,0x00,
0x00,0x3F,0xFF,0xC0,0x7F,0xC0,0x01,0xFF,0xFE,0x00,0xFF,0xFE,0x00,0x00,0x00,0x00,
0x00,0x1F,0xFF,0xE0,0x7F,0xE0,0x03,0xFF,0xFE,0x00,0xFF,0xFF,0xC0,0x00,0x00,0x00,
0x00,0x0F,0xFF,0xF0,0x7F,0xF0,0x03,0xFF,0xFC,0x00,0x7F,0xFF,0xFF,0xFF,0xF8,0x00,
0x00,0x07,0xFF,0xF8,0x3F,0xF8,0x07,0xFF,0xF8,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0x00,
0x00,0x07,0xFF,0xFC,0x1F,0xFC,0x0F,0xFF,0xF0,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xC0,
0x00,0x03,0xFF,0xFE,0x0F,0xFE,0x1F,0xFF,0xE0,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xE0,
0x00,0x01,0xFF,0xFF,0x07,0xFF,0x1F,0xFF,0xC0,0x00,0x00,0x00,0x00,0x7F,0xFF,0xF0,
0x00,0x00,0xFF,0xFF,0x81,0xFF,0xBF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x03,0xFF,0xF0,
0x00,0x00,0x7F,0xFF,0x81,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x03,0xFF,0xF0,
0x00,0x00,0x7F,0xFF,0xC0,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xF0,
0x00,0x00,0x3F,0xFF,0xE0,0x7F,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xF0,
0x00,0x00,0x1F,0xFF,0xF0,0x3F,0xFF,0xFC,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xF0,
0x00,0x00,0x0F,0xFF,0xF0,0x0F,0xFF,0xF8,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,
0x00,0x00,0x07,0xFF,0xF8,0x0F,0xFF,0xF0,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,
0x00,0x00,0x03,0xFF,0xF0,0x03,0xFF,0xE0,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,
0x00,0x00,0x01,0xFF,0xE0,0x03,0xFF,0xC0,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xE0,0x00,
0x00,0x00,0x00,0x3E,0x00,0x00,0x1E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFB,0xFF,0xFF,
0xFF,0xFF,0xFE,0x3F,0xFF,0xFE,0x7F,0xBF,0xFF,0xFC,0x7F,0xFF,0xFF,0x3B,0xFF,0xFF,
0xFF,0xFF,0xF0,0x1F,0xFF,0xFE,0x4F,0xBF,0xFF,0xFE,0x7F,0xFF,0xFF,0xBB,0xFF,0xFF,
0xFF,0xFC,0xFF,0x9F,0xFF,0xFC,0xFF,0xBF,0xFF,0xFF,0xC3,0xFF,0xFF,0x80,0xFF,0xFF,
0xFF,0xFE,0xFF,0xBF,0xFF,0xFD,0x7F,0xBF,0xFF,0xB8,0x01,0xFF,0xFE,0x3B,0xFF,0xFF,
0xFF,0xFE,0xF1,0xBF,0xFF,0xFB,0xDD,0xBF,0xFF,0xBF,0xF7,0xFF,0xFF,0xAB,0xFF,0xFF,
0xFF,0xFE,0xFF,0xBF,0xFF,0xF5,0xCD,0xBF,0xFF,0x3C,0xFF,0xFF,0xFF,0xBB,0xFF,0xFF,
0xFF,0xFE,0xFF,0xBF,0xFF,0xEC,0xDD,0xBF,0xFF,0x7C,0xFF,0xFF,0xFF,0xAB,0xFF,0xFF,
0xFF,0xFE,0x81,0xBF,0xFF,0xFC,0xDD,0xBF,0xFF,0xE0,0x3F,0xFF,0xFF,0xBB,0x7F,0xFF,
0xFF,0xFE,0x99,0x9F,0xFF,0xFD,0xBD,0xBF,0xFF,0xE9,0xFF,0xFF,0xFF,0x20,0x3F,0xFF,
0xFF,0xFE,0x99,0x9F,0xFF,0xFC,0x3D,0xBF,0xFF,0xF3,0x7F,0xFF,0xFC,0x7D,0xFF,0xFF,
0xFF,0xFE,0xD1,0x9F,0xFF,0xF9,0xFD,0xBF,0xFF,0xF7,0x3F,0xFF,0xFF,0x3E,0xFF,0xFF,
0xFF,0xFC,0xDF,0x9F,0xFF,0xFA,0x1F,0xBF,0xFF,0xEE,0x7F,0xFF,0xFE,0xEF,0x7F,0xFF,
0xFF,0xFC,0xFF,0x9F,0xFF,0xF0,0xDF,0xBF,0xFF,0xDC,0xDF,0xFF,0xFD,0x83,0x8F,0xFF,
0xFF,0xFC,0xFF,0x9F,0xFF,0xF4,0x9F,0xBF,0xFF,0xBD,0xCF,0xFF,0xF9,0xAF,0xC3,0xFF,
0xFF,0xFC,0xFF,0x1F,0xFF,0xEE,0xFE,0x3F,0xFF,0xF0,0x27,0xFF,0xF7,0xEF,0xFF,0xFF,
0xFF,0xFD,0xFF,0xBF,0xFF,0xFF,0xFF,0x3F,0xFF,0xF1,0xF7,0xFF,0xFF,0xE0,0x7F,0xFF,
0xFF,0xFF,0xFF,0xBF,0xFF,0xFF,0xFF,0x3F,0xFF,0xFF,0xFF,0xFF,0xFC,0x7F,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF
};
/*******************************************************************************************
* *
* Function:void LCD_Init(void) *
* *
* Input: - *
* Output: - *
* *
* Description: 液晶屏初始化例程. *
* *
*******************************************************************************************/
void LCD_Init(void)
{
LCD_Send_CMD(0x30); //功能设定:8位并口
LCD_Wait_nBysy(); //等待命令处理结束.
delay_1ms(0x0A);
LCD_Send_CMD(0x30); //功能设定:8位并口
delay_1ms(0x0A);
LCD_Wait_nBysy(); //等待命令处理结束.
LCD_Send_CMD(0x0C); //B2=1--整体显示On, B1=1--游标显示On, B0=1--游标反显On.
LCD_Wait_nBysy(); //等待命令处理结束.
LCD_Send_CMD(0x01); //清显示.
LCD_Wait_nBysy(); //等待命令处理结束.
LCD_Send_CMD(0x06); //配置:B1=1--游标右移, B0=1画面整体移动.
LCD_Wait_nBysy(); //等待命令处理结束.
}
/*******************************************************************************************
* *
* Function:uchar Wait_EN_LCD_CMD_Write(void) *
* *
* Input: - *
* Output: - *
* *
* Description: 等待LCD进入命令写使能状态. *
* *
*******************************************************************************************/
void LCD_Wait_nBysy(void)
{
while(LCD_Read_CMD() & 0x80)
{
_nop_();
}
}
/*******************************************************************************************
* *
* Function:uchar LCD_Print_Chinese(uchar _ROW,uchar _COL, code uchar * PT,uchar _Num) *
* *
* Input: -_ROW--起始行号 *
* _COL--起始列号 *
* _PT --字符串指针 *
* _Num--要显示的汉字数. *
* Output: - *
* *
* Description: 显示汉字串. *
* *
*******************************************************************************************/
void LCD_Print_Chinese(uchar _ROW,uchar _COL, uchar code * PT,uchar _Num)
{
uchar data itmp;
uchar data count;
uchar Tmp_Array[0x10];
//计算显示首址
itmp=((_ROW*0x20+_COL) % 0x40) | 0x40;
LCD_Send_CMD(itmp); //置起始行列
count=0;
Tmp_Array[0]=(uchar) itmp;
Tmp_Array[1]=(uchar) (itmp>>8);
Tmp_Array[2]=0x24; //设置显示存储器首址
LCD_Send_CMD(Tmp_Array);
while(count<0xF0)
{
if(PT[count]==0)
break;
Tmp_Array[1]=PT[count]-0x20;
Tmp_Array[2]=0xC0; //设置显示存储器首址
LCD_Send_CMD(Tmp_Array);
++count;
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