📄 12864.c
字号:
/*******************************************************************************
LCD-RT12864M画图程序
编写：李科
时间：2005-10-13
PC0--RS PC1--R/W PC2--E PC3\PC4接夜光地
PB0~PB7--DB0~DB7
功能:汉字显示
清除显示、地址归位命令 最短需要延时4.6ms后才能执行后面程序，本程序延时5ms
其他命令 最短需要延时72us后才能执行后面程序，本程序延时100us
*******************************************************************************/
/////////////////////////////////头文件申明/////////////////////////////////////
#include <iom8v.h>
#include <macros.h>
#include <weicaozuo.h>
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////函数申明区/////////////////////////////////////
void port_init(void); //端口初始化
void delay100us(unsigned int time); //100us延时
void lcd_reset(void); //LCD初始化
void map_reset(void); //图形初始化
void lcd_en_write(void); //LCD输入使能
void lcd_command_enable(char temp); //LCD写指令使能
void lcd_string_enable(void); //LCD写数据使能
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////字变量初始化///////////////////////////////////
const char text0[]={
0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00};
const char text1[]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00};
const char text2[]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00};
const char text3[]={
0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0x00,0x07,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xE0,0x7F,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00};
const char text4[]={
0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xF8,0x3F,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xC0,0x07,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x3E,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
const char text5[]={
0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00};
char i=0;
////////////////////////////////////////////////////////////////////////////////
/************************************
端口初始化
************************************/
void port_init(void)
{
PORTB = 0xff;
DDRB = 0xff;
PORTC = 0b00000111;
DDRC = 0xff;
PORTD = 0xff;
DDRD = 0x00;
}
/***************************************
100us延时
***************************************/
void delay100us(unsigned int time)
{
unsigned int l,j;
for(l=0;l<time;l++)
{
for(j=0;j<100;j++)
{asm("nop"); }
}
}
/***************************************
LCD初始化
***************************************/
void lcd_reset(void)
{
/**********基本指令***********/
lcd_command_enable(0b00110000);//功能设置：0B001 DL 0 RE 00 DL必须为1，RE=0(基本指令)，RE=1(扩充指令)
delay100us(1);
lcd_command_enable(0b00000001);//清除显示，光标复位
delay100us(1);
lcd_command_enable(0b00000010);//显示不变，光标复位
delay100us(1);
lcd_command_enable(0b00000110);//输入字符时候：光标自动右移(1)、文字不动(0)
delay100us(1);
lcd_command_enable(0b00001110);//整体显示开(1)、光标开(1)、光标闪烁开(1)
delay100us(1);
//lcd_command_enable(0b00010100);//动态调整：移动光标(0)/移动字符(1)、右移(1)
lcd_command_enable(0b01000000);//设置CGRAM地址
delay100us(1);
lcd_command_enable(0b10000000);//设置DDRAM地址
delay100us(1);
/**********扩充指令************/
//lcd_command_enable(0b00000001);//待命模式
//lcd_command_enable(0b00000011);//允许输入垂直卷动地址(1);允许输入IRAM地址(0)
//lcd_command_enable(0b00000100);//选择4行中的一行反白显示
//lcd_command_enable(0b00001100);//脱离睡眠模式(1);进入睡眠模式(0)
//lcd_command_enable(0b00110110);//扩充功能设置：OB00110 RE G 0
//RE=1(扩充指令动作)，RE=0(基本指令动作)；G=1(绘图显示开)，G=0(绘图显示关)
//lcd_command_enable(0b01000000);//SR=1时,AC0-AC5输入垂直卷动地址；SR=0时,AC0-AC3输入IRAM地址
//lcd_command_enable(0b10000000);//设置GDRAM地址
}
/***************************************
LCD输入使能
***************************************/
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -