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发表于 2012-5-16 17:01:01
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ICC7.2,LGT8-SPI驱动5110程序:
#include <iom164pv.h>
#include "iolgt8f0xa.h"
#include <macros.h>
#include "3310LCD_function.h"
#include "english_6x8_pixel.h"
#include "write_chinese_string_pixel.h"
#include "move_chinese_string_pixel.h"
#include "bmp_pixel.h"
/*-----------------------------------------------------------------------
LCD_init : 3310LCD初始化
编写日期 :2004-8-10
最后修改日期 :2004-8-10
-----------------------------------------------------------------------*/
void main(void)
{
//OSCCAL=0x9d; // 8M系统内部时钟校准
//设置MCU的I/O口
//DDRB |= LCD_RST | LCD_DC | LCD_CE | SPI_MOSI | SPI_CLK;
// SPSR |= BIT(SPI2X); // 设置SPI时钟倍速
// SPCR |= BIT(SPE)|BIT(MSTR); // 使能SPI接口,主机模式,4M时钟
init_devices();
init_spi(); //初始化SPI接口
init_io();
init_lcd(); //初始化液晶
while(1)
{
LCD_write_chinese_string(0,3,12,3,0,0); //显示“我们的”,在x=0,y=2位置,显示write_chinese_string的12点阵汉字,显示4个,从第0个开始显示,行距为0,
LCD_draw_bmp_pixel(36,2,AVR_bmp,48,32); //显示AVR大图
LCD_write_english_string(0,5,"www.OurAVR.com");
LCD_move_chinese_string(0, 0, 100); //在屏幕最上面一行显示:欢迎光临本网站!显示速度为100,数值越大,速度越慢。
}
}
void init_devices(void)
{
PMCR =0x15; //使能外部晶振
delay_nms(10); //延时10ms等待晶振输入稳定
PMCR =0x35; // 切换系统时钟到外部晶振
PMCR=0x34; //关闭内部RC
CLKPR=0x80; //1分频,默认是2分频(0x01)
CLKPR =0x00; //清除 MASK_CLKPCE
}
void init_io(coid)
{
DDRB=0x0f;
PORTB=0x0e;
}
void init_spi(void)
{
//PB0(XCK) --> LCD(7)SCLK;
//PB1 --> LCD(5)D/C;
//PB2 --> LCD(4)RESET;
//PB3 --> LCD(3)SCE;
//PD1(TXD) --> LCD(6)SDIN;
PORTB = 0xE; // set SPSS high
DDRB = 0xF; // set SPSS & SPCK direction output
// 设置波特率
UBRR0H = 0x0;
UBRR0L = 0x25;
// 配置USPI工作模式
UCSR0C = 0xC0; // SPI主机模式,MSB,SPI Mode 0
UCSR0B = 0x18; // 使能输入和输出
}
void init_lcd(void)
{
PORTB &= ~BIT(2); // 产生一个让LCD复位的低电平脉冲
delay_1us();
PORTB |= BIT(2);
PORTB &= ~BIT(3) ; // 关闭LCD
delay_1us();
PORTB |= BIT(3); // 使能LCD
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
PORTB &= ~BIT(3) ; // 关闭LCD
}
/*-----------------------------------------------------------------------
LCD_clear : LCD清屏函数
编写日期 :2004-8-10
最后修改日期 :2004-8-10
-----------------------------------------------------------------------*/
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);
}
/*-----------------------------------------------------------------------
LCD_set_XY : 设置LCD坐标函数
输入参数:X :0-83
Y :0-5
编写日期 :2004-8-10
最后修改日期 :2004-8-10
-----------------------------------------------------------------------*/
void LCD_set_XY(unsigned char X, unsigned char Y)
{
LCD_write_byte(0x40 | Y, 0); // column
LCD_write_byte(0x80 | X, 0); // row
}
/*-----------------------------------------------------------------------
LCD_write_char : 显示英文字符
输入参数:c :显示的字符;
编写日期 :2004-8-10
最后修改日期 :2004-8-10
-----------------------------------------------------------------------*/
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
编写日期 :2004-8-10
最后修改日期 :2004-8-10
-----------------------------------------------------------------------*/
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
编写日期 :2004-8-11
最后修改日期 :2004-8-12
测试:
LCD_write_chi(0,0,12,7,0,0);
LCD_write_chi(0,2,12,7,0,0);
LCD_write_chi(0,4,12,7,0,0);
-----------------------------------------------------------------------*/
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(write_chinese_string[line+i][n],1);
}
i++;
LCD_set_XY((X+(ch_with+row)*i),Y);
}
}
/*-----------------------------------------------------------------------
LCD_move_chinese_string: 汉字移动
输入参数:X、Y :显示汉字的起始X、Y坐标;
T :移动速度;
编写日期 :2004-8-13
最后修改日期 :2004-8-13
-----------------------------------------------------------------------*/
void LCD_move_chinese_string (unsigned char X, unsigned char Y, unsigned char T)
{
unsigned char i,n,j=0;
unsigned char buffer_h[84]={0};
unsigned char buffer_l[84]={0};
for (i=0; i<156; i++)
{
buffer_h[83] = move_chinese_string[i/12][j];
buffer_l[83] = move_chinese_string[i/12][j+12];
j++;
if (j==12) j=0;
for (n=0; n<83; n++)
{
buffer_h[n]=buffer_h[n+1];
buffer_l[n]=buffer_l[n+1];
}
LCD_set_XY(X,Y);
for (n=0; n<83; n++)
{
LCD_write_byte(buffer_h[n],1);
}
LCD_set_XY(X,Y+1);
for (n=0; n<83; n++)
{
LCD_write_byte(buffer_l[n],1);
}
delay_nms(T);
}
}
/*-----------------------------------------------------------------------
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)
编写日期 :2004-8-13
最后修改日期 :2004-8-13
-----------------------------------------------------------------------*/
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 : 使用SPI接口写数据到LCD
输入参数:data :写入的数据;
command :写数据/命令选择;
编写日期 :2004-8-10
最后修改日期 :2004-8-13
-----------------------------------------------------------------------*/
void LCD_write_byte(unsigned char data, unsigned char command)
{
PORTB &= ~BIT(3) ; // 使能LCD
if (command == 0)
PORTB &= ~BIT(1) ; // 传送命令
else
PORTB |= BIT(1) ; // 传送数据
while ( !(UCSR0A & 0x20) ); // 等待发送缓冲器为空
UDR0 = data; // 写入要发送的数据
while( !(UCSR0A & 0x40) ); // 等待发送结束
UCSR0A = 0x40; // 清零TXC
PORTB |= BIT(3) ; // 关闭LCD
} |
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