?? nokia_5110.c
字號:
#include "nokia_5110.h"
#include "english_6x8_pixel.h"
#include "write_chinese_string_pixel.h"
#include "move_chinese_string_pixel.h"
/*-----------------------------------------------------------------------
LCD_init : 3310LCD初始化
編寫日期 :2004-8-10
最后修改日期 :2004-8-10
-----------------------------------------------------------------------*/
void delay_1us(void) //1us延時函數
{
unsigned int i;
for(i=0;i<1000;i++);
}
void delay_1ms(void) //1ms延時函數
{
unsigned int i;
for (i=0;i<1140;i++);
}
void delay_nms(unsigned int n) //N ms延時函數
{
unsigned int i=0;
for (i=0;i<n;i++)
delay_1ms();
}
void LCD_init(void)
{
// 產生一個讓LCD復位的低電平脈沖
LCD_RST = 0;
delay_1us();
LCD_RST = 1;
// 關閉LCD
LCD_CE = 0;
delay_1us();
// 使能LCD
LCD_CE = 1;
delay_1us();
LCD_write_byte(0x21, 0); // 使用擴展命令設置LCD模式
LCD_write_byte(0xc8, 0); // 設置偏置電壓
LCD_write_byte(0x06, 0); // 溫度校正
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); // 設定顯示模式,正常顯示
// 關閉LCD
LCD_CE = 0;
}
/*-----------------------------------------------------------------------
LCD_clear : LCD清屏函數
編寫日期 :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 : 設置LCD坐標函數
輸入參數:X :0-83
Y :0-5
編寫日期 :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 : 顯示英文字符
輸入參數:c :顯示的字符;
編寫日期 :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 : 英文字符串顯示函數
輸入參數:*s :英文字符串指針;
X、Y : 顯示字符串的位置,x 0-83 ,y 0-5
編寫日期 :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上顯示漢字
輸入參數:X、Y :顯示漢字的起始X、Y坐標;
ch_with :漢字點陣的寬度
num :顯示漢字的個數;
line :漢字點陣數組中的起始行數
row :漢字顯示的行間距
編寫日期 :2004-8-11
最后修改日期 :2004-8-12
測試:
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); //設置初始位置
for (i=0;i<num;)
{
for (n=0; n<ch_with*2; n++) //寫一個漢字
{
if (n==ch_with) //寫漢字的下半部分
{
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[line+i][n],1);
}
i++;
LCD_set_XY((X+(ch_with+row)*i),Y);
}
}
/*-----------------------------------------------------------------------
LCD_move_chinese_string: 漢字移動
輸入參數:X、Y :顯示漢字的起始X、Y坐標;
T :移動速度;
編寫日期 :2004-8-13
最后修改日期 :2004-8-13
-----------------------------------------------------------------------*/
void 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 : 位圖繪制函數
輸入參數:X、Y :位圖繪制的起始X、Y坐標;
*map :位圖點陣數據;
Pix_x :位圖像素(長)
Pix_y :位圖像素(寬)
編寫日期 :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; //計算位圖所占行數
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++; //換行
}
}
/*-----------------------------------------------------------------------
LCD_write_byte : 使用SPI接口寫數據到LCD
輸入參數:data :寫入的數據;
command :寫數據/命令選擇;
編寫日期 :2004-8-10
最后修改日期 :2004-8-13
-----------------------------------------------------------------------*/
void LCD_write_byte(unsigned char dat, unsigned char command)
{
unsigned char i;
//PORTB &= ~LCD_CE ; // 使能LCD
LCD_CE = 0;
if (command == 0)
// PORTB &= ~LCD_DC ; // 傳送命令
LCD_DC = 0;
else
// PORTB |= LCD_DC ; // 傳送數據
LCD_DC = 1;
for(i=0;i<8;i++)
{
if(dat&0x80)
SDIN = 1;
else
SDIN = 0;
SCLK = 0;
dat = dat << 1;
SCLK = 1;
}
// SPDR = data; // 傳送數據到SPI寄存器
//while ((SPSR & 0x80) == 0); // 等待數據傳送完畢
//PORTB |= LCD_CE ; // 關閉LCD
LCD_CE = 1;
}
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