#include <iom8v.h> #include <macros.h> #include lcd.h #include 6x8.h #include chinese.h
/*----------------------------------------------------------------------- LCD_init : 3310LCD初始化
編寫日期 :2004-8-10 最后修改日期 :2004-8-10 -----------------------------------------------------------------------*/ void LCD_init(void) { PORTB &= ~LCD_RST; // 產(chǎn)生一個讓LCD復(fù)位的低電平脈沖 delay_1us(); PORTB |= LCD_RST;
PORTB &= ~LCD_CE ; // 關(guān)閉LCD delay_1us(); PORTB |= LCD_CE; // 使能LCD delay_1us();
LCD_write_byte(0x21, 0); // 使用擴(kuò)展命令設(shè)置LCD模式 LCD_write_byte(0xc8, 0); // 設(shè)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(shè)定顯示模式,正常顯示
PORTB &= ~LCD_CE ; // 關(guān)閉LCD //LCD_clear(); }
/*----------------------------------------------------------------------- LCD_clear : LCD清屏函數(shù)
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(shè)置LCD坐標(biāo)函數(shù)
輸入?yún)?shù):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?yún)?shù):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); for (line=0; line<7; line++) LCD_write_byte(font7x13[c][line], 1); for (line=7; line<14; line++) LCD_write_byte(font7x13[c][line], 1);
}
/*----------------------------------------------------------------------- LCD_write_char : 英文字符串顯示函數(shù)
輸入?yún)?shù):*s :英文字符串指針; X、Y : 顯示字符串的位置
編寫日期 :2004-8-10 最后修改日期 :2004-8-10 -----------------------------------------------------------------------*/ void LCD_write_String(unsigned char X,unsigned char Y,char *s) { unsigned char line; unsigned char i=0; while (*s) { LCD_set_XY(X+i*7,Y); for (line=0; line<7; line++) LCD_write_byte(font7x13[*s-0X30][line], 1);
LCD_set_XY(X+i*7,Y+1); for (line=7; line<14; line++) LCD_write_byte(font7x13[*s-0X30][line], 1); s++; i++; } } /*----------------------------------------------------------------------- LCD_write_chi: 在LCD上顯示漢字
輸入?yún)?shù):X、Y :顯示漢字的起始X、Y坐標(biāo); ch_with :漢字點(diǎn)陣的寬度 num :顯示漢字的個數(shù); line :漢字點(diǎn)陣數(shù)組中的起始行數(shù) 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 -----------------------------------------------------------------------*/ void LCD_write_chi(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(shè)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(china_char[line+i][n],1); } i++; LCD_set_XY((X+(ch_with+row)*i),Y); } }
/*----------------------------------------------------------------------- LCD_write_chi: 漢字移動
輸入?yún)?shù):X、Y :顯示漢字的起始X、Y坐標(biāo); T :移動速度;
編寫日期 :2004-8-13 最后修改日期 :2004-8-13 -----------------------------------------------------------------------*/ void LCD_move_chi (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] = china_char[i/12][j]; buffer_l[83] = china_char[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(shù)
輸入?yún)?shù):X、Y :位圖繪制的起始X、Y坐標(biāo); *map :位圖點(diǎn)陣數(shù)據(jù); 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_map(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(shù) 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(shù)據(jù)到LCD
輸入?yún)?shù):data :寫入的數(shù)據(jù); command :寫數(shù)據(jù)/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 data, unsigned char command) { PORTB &= ~LCD_CE ; // 使能LCD
if (command == 0) PORTB &= ~LCD_DC ; // 傳送命令 else PORTB |= LCD_DC ; // 傳送數(shù)據(jù)
SPDR = data; // 傳送數(shù)據(jù)到SPI寄存器
while ((SPSR & 0x80) == 0); // 等待數(shù)據(jù)傳送完畢
PORTB |= LCD_CE ; // 關(guān)閉LCD
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