📄 main.c
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#include <io.h>
//#include <MACROS.h>
#include "Define.h"
#include "5110.h"
/******************************************************************************/
void Delay_us(unsigned int time)
{
while(time--);
}
void Delay_ms(unsigned int time)
{
while(time--)
{
Delay_us(1000);
}
}
void main(void)
{
LCD_init();//初始化液晶
LCD_clear();
SETBIT(DDRC,BACKLED_EN); //配置背光控制端口
CLEARBIT(PORTC,BACKLED_EN); //使能背光
while(1)
{
LCD_clear();
LCD_write_english_string(0,0,"---ADEmbed----");
LCD_write_english_string(0,5,"www.");
LCD_write_english_string(21,5,"adembed.");
LCD_write_english_string(66,5,"com");
LCD_write_chinese_string(0,3,12,7,0,0);
Delay_ms(5000);
LCD_clear();
LCD_draw_bmp_pixel(0,0,AVR_bmp,48,24);
Delay_ms(2000);
}
}
/********************************************************************************************************************/
void LCD_init(void)
{
//先设置为输出
SETBIT(LCD_DIR,SCLK);
SETBIT(LCD_DIR,SDIN);
SETBIT(LCD_DIR,LCD_DC);
SETBIT(LCD_DIR,LCD_CE);
//SETBIT(LCD_DIR,LCD_RST);
// 产生一个让LCD复位的低电平脉冲
//CLEARBIT(LCD_PORT,LCD_RST);//LCD_RST = 0;
//delay_1us();
//SETBIT(LCD_PORT,LCD_RST);//LCD_RST = 1;
// 关闭LCD
CLEARBIT(LCD_PORT,LCD_CE);//LCD_CE = 0;
delay_1us();
// 使能LCD
SETBIT(LCD_PORT,LCD_CE);//LCD_CE = 1;
delay_1us();
LCD_write_byte(0x21, 0); // 使用扩展命令设置LCD模式
LCD_write_byte(0xc8, 0); // 设置偏置电压
LCD_write_byte(0x06, 0); // 温度校正
LCD_write_byte(0x13, 0); // 1:48
LCD_write_byte(0x20, 0); // 使用基本命令
LCD_clear(); // 清屏
LCD_write_byte(0x0c, 0); // 设定显示模式,正常显示
// 关闭LCD
CLEARBIT(LCD_PORT,LCD_CE);//LCD_CE = 0;
}
/********************************************************************************************************************/
void LCD_clear(void)
{
unsigned int i;
LCD_write_byte(0x0c, 0);
LCD_write_byte(0x80, 0);
for (i=0; i<504; i++)
{
LCD_write_byte(0, 1);
}
}
/********************************************************************************************************************/
void delay_1us(void) //1us延时函数
{
unsigned int i;
for(i=0;i<12000;i++);
}
/********************************************************************************************************************/
void LCD_set_XY(unsigned char X, unsigned char Y)
{
LCD_write_byte(0x40 | Y, 0);// column
LCD_write_byte(0x80 | X, 0);// row
}
/********************************************************************************************************************/
void LCD_write_char(unsigned char c)
{
unsigned char line;
c -= 32;
for (line=0; line<6; line++)
{
LCD_write_byte(font6x8[c][line], 1);
}
}
/********************************************************************************************************************/
/*-----------------------------------------------------------------------
LCD_write_english_String : 英文字符串显示函数
输入参数:*s :英文字符串指针;
X、Y : 显示字符串的位置,x 0-83 ,y 0-5
-----------------------------------------------------------------------*/
void LCD_write_english_string(unsigned char X,unsigned char Y,char *s)
{
LCD_set_XY(X,Y);
while (*s)
{
LCD_write_char(*s);
s++;
}
}
/********************************************************************************************************************/
/*-----------------------------------------------------------------------
LCD_write_chinese_string: 在LCD上显示汉字
输入参数:X、Y :显示汉字的起始X、Y坐标;
ch_with :汉字点阵的宽度
num :显示汉字的个数;
line :汉字点阵数组中的起始行数
row :汉字显示的行间距
-----------------------------------------------------------------------*/
void LCD_write_chinese_string(unsigned char X, unsigned char Y,unsigned char ch_with,unsigned char num,unsigned char line,unsigned char row)
{
unsigned char i,n;
LCD_set_XY(X,Y); //设置初始位置
for (i=0;i<num;)
{
for (n=0; n<ch_with*2; n++) //写一个汉字
{
if (n==ch_with) //写汉字的下半部分
{
if (i==0) LCD_set_XY(X,Y+1);
else
{
LCD_set_XY((X+(ch_with+row)*i),Y+1);
}
}
LCD_write_byte(HZK[line+i][n],1);
}
i++;
LCD_set_XY((X+(ch_with+row)*i),Y);
}
}
/********************************************************************************************************************/
/*-----------------------------------------------------------------------
LCD_draw_map : 位图绘制函数
输入参数:X、Y :位图绘制的起始X、Y坐标;
*map :位图点阵数据;
Pix_x :位图像素(长)
Pix_y :位图像素(宽)
-----------------------------------------------------------------------*/
void LCD_draw_bmp_pixel(unsigned char X,unsigned char Y,unsigned char *map,unsigned char Pix_x,unsigned char Pix_y)
{
unsigned int i,n;
unsigned char row;
if (Pix_y%8==0)
{
row=Pix_y/8; //计算位图所占行数
}
else
{
row=Pix_y/8+1;
}
for (n=0;n<row;n++)
{
LCD_set_XY(X,Y);
for(i=0; i<Pix_x; i++)
{
LCD_write_byte(map[i+n*Pix_x], 1);
}
Y++; //换行
}
}
/********************************************************************************************************************/
/*-----------------------------------------------------------------------
LCD_write_byte : 写数据到LCD
输入参数:data :写入的数据;
command :写数据/命令选择;
-----------------------------------------------------------------------*/
void LCD_write_byte(unsigned char dat, unsigned char command)
{
unsigned char i;
CLEARBIT(LCD_PORT,LCD_CE);// 使能LCD_CE = 0
if (command == 0)
{
CLEARBIT(LCD_PORT,LCD_DC);// 传送命令 LCD_DC = 0;
}
else
{
SETBIT(LCD_PORT,LCD_DC);// 传送数据LCD_DC = 1;
}
for(i=0;i<8;i++)
{
if(dat&0x80)
{
SETBIT(LCD_PORT,SDIN);//SDIN = 1;
}
else
{
CLEARBIT(LCD_PORT,SDIN);//SDIN = 0;
}
CLEARBIT(LCD_PORT,SCLK);//SCLK = 0;
dat = dat << 1;
SETBIT(LCD_PORT,SCLK);//SCLK = 1;
}
SETBIT(LCD_PORT,LCD_CE);//LCD_CE = 1;
}
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