#include<msp430f149.h>
#include "p_lcd12864.h"
/**************************************************
函數(shù)名稱：lcd_delay_n
功 能：大致延時 只要滿足正常顯示即可 根據(jù)實際調(diào)節(jié)
參 數(shù)：n
返回值 ：無
**************************************************/
void lcd_delay_n(unsigned int n)
{
unsigned int i;
for(i=n;i>0;i--) _NOP();
}
/**************************************************
函數(shù)名稱：my_abs
功 能：求絕對值 調(diào)用math。h中的abs總是有警告 于是自己寫
參 數(shù)：a
返回值 ：無
**************************************************/
unsigned int my_abs(int a)
{
if(a<0)
a=-a;
return a;
}
/**************************************************
函數(shù)名稱：write_cmd
功 能：向液晶中寫控制命令
參 數(shù)：cmd--控制命令
返回值 ：無
**************************************************/
void write_cmd(unsigned char cmd)
{
unsigned char lcdtemp = 0;
LCD_RS_L;
LCD_RW_H;
LCD_DataIn;
do
{
LCD_EN_H;
_NOP();
lcdtemp = LCD2MCU_Data;
LCD_EN_L;
}
while(lcdtemp&0x80);
LCD_DataOut;
LCD_RS_L;
LCD_RW_L;
MCU2LCD_Data = cmd;
LCD_EN_H;
_NOP();
LCD_EN_L;
}
/**************************************************
函數(shù)名稱：write_data
功 能：向液晶中寫數(shù)據(jù)
參 數(shù)：dat--顯示數(shù)據(jù)
返回值 ：無
**************************************************/
void write_data(unsigned char dat)
{
unsigned char lcdtemp;
LCD_RS_L;
LCD_RW_H;
LCD_DataIn;
do
{
LCD_EN_H;
_NOP();
lcdtemp = LCD2MCU_Data;
LCD_EN_L;
}
while(lcdtemp&0x80);
LCD_RS_H;
LCD_RW_L;
LCD_DataOut;
MCU2LCD_Data = dat;
LCD_EN_H;
_NOP();
LCD_EN_L;
}
/**************************************************
函數(shù)名稱：lcd_read_data
功 能：讀取12864中一個字節(jié)的數(shù)據(jù)
參 數(shù)：無
返回值 ：顯示的數(shù)據(jù)
**************************************************/
unsigned char lcd_read_data(void)
{
unsigned char Data_Temp;
unsigned char lcdtemp;
LCD_RS_L;
LCD_RW_H;
LCD_DataIn;
do
{
LCD_EN_H;
_NOP();
lcdtemp = LCD2MCU_Data;
LCD_EN_L;
}
while(lcdtemp&0x80);
LCD_RS_H;
LCD_RW_H;
LCD_DataIn;
LCD_EN_H;
_NOP();
Data_Temp = LCD2MCU_Data;
LCD_EN_L;
return Data_Temp;
}
/**************************************************
函數(shù)名稱：lcd_setxy
功 能：設置顯示位置
參 數(shù)：X(1~16),Y(1~4)
返回值 ：無
**************************************************/
void lcd_setxy(unsigned char x,unsigned char y)
{
switch(y)
{
case 1:
write_cmd(0x7F+x);break;
case 2:
write_cmd(0x8F+x);break;
case 3:
write_cmd(0x87+x);break;
case 4:
write_cmd(0x97+x);break;
default:break;
}
}
/**************************************************
函數(shù)名稱：display_line
功 能：在指定位置顯示字符串
參 數(shù)：坐標x y 字符串str
返回值 ：無
**************************************************/
void display_line(unsigned char x,unsigned char y,const char* str)
{
unsigned char LCD_temp;
lcd_setxy(x,y);
LCD_temp=*str;
while(LCD_temp != 0x00)
{
write_data(LCD_temp);
LCD_temp=*(++str);
}
}
/**************************************************
函數(shù)名稱：display_3digit
功 能：在指定位置開始顯示三位數(shù)字
參 數(shù)：坐標x y 數(shù)字d
返回值 ：無
**************************************************/
void display_3digit(unsigned char x,unsigned char y,unsigned int d)
{
unsigned char a[3],i;
a[0]=d/100;
a[1]=(d%100)/10;
a[2]=d%10;
lcd_setxy(x,y);
for(i=0;i<3;i++)
{
write_data(0x30+a[i]);
//DelayUs2x(15);
lcd_delay_n(1);
}
}
/**************************************************
函數(shù)名稱：display_2digit
功 能：在指定位置開始顯示兩位數(shù)字
參 數(shù)：坐標x y 數(shù)字d
返回值 ：無
**************************************************/
void display_2digit(unsigned char x,unsigned char y,unsigned int d)
{
unsigned char a[2],i;
a[0]=d/10;
a[1]=d%10;
lcd_setxy(x,y);
for(i=0;i<2;i++)
{
write_data(0x30+a[i]);
//DelayUs2x(15);
lcd_delay_n(1);
}
}
/**************************************************
函數(shù)名稱：display_float
功 能：在指定位置開始顯示浮點數(shù)
參 數(shù)：坐標x y 數(shù)字d
返回值 ：無
**************************************************/
void display_float(unsigned char x,unsigned char y,float d)
{
char a[15];
sprintf(a,"%.2f",d); //修改.f中間的數(shù)字可改變保留幾位小數(shù)
display_line(x,y,a);
}
/**************************************************
函數(shù)名稱：display_float
功 能：清除顯示
參 數(shù)：無
返回值 ：無
**************************************************/
void clr_screen(void)
{
write_cmd(0x01);
//delay_ms(15);
}
/**************************************************
函數(shù)名稱：display_page
功 能：顯示一頁字符
參 數(shù)：字符數(shù)組s
返回值 ：無
格式const char *Page1[]=
{
{"**【>>菜單<<】**"},
{"撥號 通訊 QQ "},
{"信息 設置 相機"},
{"娛樂 備忘 UC "}
};
**************************************************/
void display_page( const char **s)
{
unsigned char i;
clr_screen();
for(i=1;i<5;i++)
display_line(1,i,s[i-1]);
}
/**************************************************
函數(shù)名稱：init12864
功 能：初始化液晶模塊
參 數(shù)：無
返回值 ：無
**************************************************/
void init12864(void)
{
LCD_DataOut;
LCD_CMDOut; //液晶控制端口設置為輸出
lcd_delay_n(50);
write_cmd(0x30); //基本指令集
lcd_delay_n(50);
write_cmd(0x30); //選擇8bit數(shù)據(jù)流
lcd_delay_n(50);
write_cmd(0x02); //地址歸位
lcd_delay_n(50);
write_cmd(0x0c); //整體顯示打開,游標關閉
lcd_delay_n(50);
write_cmd(0x01); //清除顯示
lcd_delay_n(50);
write_cmd(0x06); //游標右移
lcd_delay_n(50);
write_cmd(0x80); //設定顯示的起始地址
lcd_delay_n(2000);
}
/**************************************************
函數(shù)名稱：Clear_GDRAM
功 能：清除液晶GDRAM中的隨機數(shù)據(jù)
參 數(shù)：無
返回值 ：無
**************************************************/
void clear_GDRAM(void)
{
unsigned char i,j,k;
write_cmd(0x34); //打開擴展指令集
i = 0x80;
for(j = 0;j < 32;j++)
{
write_cmd(i++);
write_cmd(0x80);
for(k = 0;k < 16;k++)
{
write_data(0x00);
}
}
i = 0x80;
for(j = 0;j < 32;j++)
{
write_cmd(i++);
write_cmd(0x88);
for(k = 0;k < 16;k++)
{
write_data(0x00);
}
}
write_cmd(0x30); //回到基本指令集
}
/*******************************************
函數(shù)名稱:draw_picture
功 能:在整個液晶屏幕上畫圖
參 數(shù):圖片數(shù)組ptr
返回值 :無
格 式： 寬度x高度=128x64
unsigned char const logo[]={
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x07,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x3F,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x01,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x7F,0x80,0x00,0x00,0x7F,0x80,0x00,0x00,
0x00,0x03,0xFF,0xFF,0xFE,0x00,0x00,0x01,0xFF,0xE0,0x00,0x01,0xFF,0xE0,0x00,0x00,
0x00,0x07,0xFF,0xFF,0xFE,0x00,0x00,0x07,0xFF,0xF0,0x00,0x07,0xFF,0xF0,0x00,0x00,
0x00,0x0F,0xF9,0xFD,0xFF,0x00,0x00,0x0F,0xFF,0xF8,0x00,0x0F,0xFF,0xF8,0x00,0x00,
0x00,0x0F,0xF0,0xF0,0xFF,0x80,0x00,0x1F,0xFF,0xFC,0x00,0x1F,0xFF,0xFC,0x00,0x00,
0x00,0x1F,0xF0,0x70,0x7F,0x80,0x00,0x3F,0xFF,0xFC,0x00,0x3F,0xFF,0xFC,0x00,0x00,
0x00,0x1F,0xE1,0x70,0x7F,0x80,0x00,0x7F,0xFF,0xFE,0x00,0x7F,0xFF,0xFE,0x00,0x00,
0x00,0x3F,0xE1,0x66,0x7F,0xC0,0x00,0xFF,0xFF,0xFE,0x00,0xFF,0xFF,0xFE,0x00,0x00,
0x00,0x3F,0xE3,0xE0,0x7F,0xC0,0x01,0xFF,0xFF,0xFE,0x01,0xFF,0xFF,0xFE,0x00,0x00,
0x00,0x3F,0xE0,0x60,0x7F,0xE0,0x01,0xFF,0xEF,0xFF,0x01,0xFF,0xEF,0xFF,0x00,0x00,
0x00,0x7F,0xF0,0xF0,0x7F,0xC0,0x03,0xFF,0x87,0xFF,0x03,0xFF,0x87,0xFF,0x00,0x00,
0x00,0x3F,0xF0,0xF8,0xFF,0xE0,0x03,0xFF,0x83,0xFF,0x83,0xFF,0x81,0xFF,0x80,0x00,
0x00,0x7F,0xFF,0xFF,0xFF,0xE0,0x07,0xFF,0x01,0xFF,0x07,0xFF,0x01,0xFF,0x00,0x00,
0x00,0x7F,0xFF,0xFF,0xFF,0xF0,0x07,0xFF,0x00,0xFF,0x87,0xFF,0x00,0xFF,0x80,0x00,
0x00,0x7F,0xE0,0x00,0xBF,0xF0,0x0F,0xFE,0x00,0xFF,0x8F,0xFE,0x00,0xFF,0x80,0x00,
0x00,0xFF,0x80,0x00,0x0F,0xF0,0x0F,0xFE,0x00,0xFF,0x8F,0xFE,0x00,0xFF,0x80,0x00,
0x00,0xFE,0x00,0x00,0x07,0xF0,0x1F,0xFC,0x00,0x7F,0x9F,0xFC,0x00,0x7F,0x80,0x00,
0x00,0xFF,0xB0,0x00,0x5F,0xF0,0x0F,0xFC,0x00,0xFF,0x8F,0xFC,0x00,0x7F,0x80,0x00,
0x01,0xFF,0xF8,0x01,0xFF,0xF0,0x1F,0xF8,0x3D,0xFF,0x9F,0xFC,0x3D,0xFF,0x80,0x00,
0x01,0xFF,0xFF,0xDF,0xFF,0xF8,0x0F,0xFC,0x37,0x0F,0x8F,0xFC,0x37,0x9F,0x80,0x00,
0x07,0xFF,0xFF,0xFF,0xFF,0xF8,0x1F,0xF8,0x66,0x07,0x1F,0xF8,0x26,0x0F,0x80,0x00,
0x07,0xFF,0xFF,0xFF,0xFF,0xFC,0x0F,0xFC,0x6C,0x63,0x8F,0xFC,0x66,0x63,0x80,0x00,
0x1F,0xC7,0xFF,0xFF,0xFC,0xFE,0x0F,0xFE,0xEC,0x80,0x8F,0xFE,0xED,0x80,0x80,0x00,
0x1F,0xC3,0xFF,0xFF,0xF0,0x7E,0x07,0xFF,0xFC,0x00,0x07,0xFF,0xFE,0x80,0x00,0x00,
0x3F,0xC7,0xFF,0xFF,0x80,0x7F,0x07,0xFF,0xFE,0x00,0x07,0xFF,0xFE,0x00,0x00,0x00,
0x3F,0xC3,0xFD,0xFA,0x00,0x3F,0x01,0xFF,0xFF,0x00,0x21,0xFF,0xFF,0x00,0x20,0x00,
0x3F,0x87,0xF0,0x00,0x00,0x3F,0x00,0xFF,0xFF,0x00,0x40,0xFF,0xFF,0x00,0x40,0x00,
0x7F,0x83,0xF8,0x00,0x00,0x3F,0x00,0x1F,0xFF,0x80,0x40,0x1F,0xFF,0xC0,0xC0,0x00,
0x7F,0x87,0xF0,0x00,0x00,0x3F,0x00,0x00,0x00,0xC1,0x80,0x00,0x00,0xE3,0x80,0x00,
0x7F,0xC3,0xF8,0x00,0x00,0x3F,0x80,0x00,0x00,0x7F,0x00,0x00,0x00,0x7F,0x00,0x00,
0x7B,0x83,0xF0,0x00,0x00,0x3F,0x00,0x00,0x00,0x1C,0x00,0x00,0x00,0x1C,0x00,0x00,
0x79,0xC1,0xF0,0x00,0x00,0x27,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x21,0xC0,0x00,0x00,0x00,0x67,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0xE0,0x00,0x00,0x00,0x40,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0xE0,0x00,0x00,0x00,0xC0,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x00,0x30,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x38,0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x9C,0x00,0x00,0x06,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0x07,0x00,0x00,0x0C,0x60,0x07,0xF8,0x00,0x00,0x00,0x01,0xE0,0x00,0x00,0x70,
0x01,0x81,0xC0,0x00,0x38,0x10,0x03,0x30,0x00,0x00,0x00,0x03,0x60,0x00,0x00,0x30,
0x01,0x00,0xF8,0x00,0xE0,0x10,0x03,0x30,0x00,0x00,0x00,0x06,0x00,0x00,0x00,0x30,
0x01,0x00,0x03,0xAD,0x00,0x10,0x01,0xE1,0xE3,0xF7,0xF8,0x06,0x01,0xE1,0xE1,0xF0,
0x00,0xA0,0x0B,0x0E,0xA2,0xA0,0x01,0xE3,0x31,0xC3,0x30,0x06,0x03,0x33,0x33,0x30,
0x00,0x00,0x54,0x00,0x00,0x00,0x01,0xE3,0xF1,0x81,0xE0,0x06,0xF3,0x33,0x33,0x30,
0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xE3,0x01,0x81,0xE0,0x06,0x63,0x33,0x33,0x30,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC3,0x31,0x80,0xC0,0x03,0x63,0x33,0x33,0x30,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC1,0xE3,0xE0,0xC0,0x01,0xC1,0xE1,0xE1,0xF8,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x80,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
********************************************/
void draw_picture(const unsigned char *ptr)
{
unsigned char i,j,k;
clr_screen();
write_cmd(0x34); //打開擴展指令集
i = 0x80;
for(j = 0;j < 32;j++)
{
write_cmd(i++);
write_cmd(0x80);
for(k = 0;k < 16;k++)
{
write_data(*ptr++);
}
}
i = 0x80;
for(j = 0;j < 32;j++)
{
write_cmd(i++);
write_cmd(0x88);
for(k = 0;k < 16;k++)
{
write_data(*ptr++);
}
}
write_cmd(0x36); //打開繪圖顯示
write_cmd(0x30); //回到基本指令集
}
/**************************************************
函數(shù)名稱：set_white
功 能：任意位置反白
參 數(shù)：行數(shù)y 起始x 結束end_x 模式clear 0反白 1復原
返回值 ：無
**************************************************/
void set_white(unsigned char y,unsigned char x,unsigned char end_x,unsigned char clear)
{
unsigned char i, j, white_x, white_y,white_end_x,clr_x,clr_y; //
white_end_x = (end_x-x+1);
white_end_x <<= 1;
write_cmd(0x36); //打開繪圖模式
if(y==1)
{
white_x = (0x80+x-1);
white_y = 0x80;
clr_x = 0x80;
clr_y = 0x80;
}
else if(y==2)
{
white_x = (0x80+x-1);
white_y = 0x90;
clr_x = 0x80;
clr_y = 0x90;
}
else if(y==3)
{
white_x = (0x88+x-1);
white_y = 0x80;
clr_x = 0x88;
clr_y = 0x80;
}
else if(y==4)
{
white_x = (0x88+x-1);
white_y = 0x90;
clr_x = 0x88;
clr_y = 0x90;
}
if(clear==0) //要反白時，先將整行的液晶全部清成不反白（此處行指y）
{
for(i=0;i<16;i++ ) //16行
{
write_cmd(clr_y++); //設置繪圖區(qū)的Y地址坐標0
write_cmd(clr_x); //設置繪圖區(qū)的X地址坐標0
for(j=0;j<16;j++) //
{
write_data(0x00); //清成不反白
//nop();
}
}
}
//nop();
for(i=0;i<16;i++ ) //16行，因為是16*16漢字
{
write_cmd(white_y++); //設置繪圖區(qū)的Y地址坐標0
write_cmd(white_x); //設置繪圖區(qū)的X地址坐標0
for(j=0;j<white_end_x;j++) //
{
if(clear==1)
{
write_data(0x00); //取消這一行的8個點的反白，液晶地址自動加1
//（此處行指一個一個液晶點所組成的行）
}
else
{
write_data(0xff); //反白這一行的8個點，液晶地址自動加1
//（此處行指一個一個液晶點所組成的行）
}
// nop();
}
}
write_cmd(0x30); //回到基本模式
}
/**************************************************
函數(shù)名稱：draw_dot
功 能：任意位置打點
參 數(shù)：坐標xy color 0反白 1復原
返回值 ：無
**************************************************/
void draw_dot(unsigned char x,unsigned char y,unsigned char color)
{
unsigned char row,tier,tier_bit;
unsigned char read_old_h,read_old_l;
write_cmd(0x34);
write_cmd(0x36);
tier=x>>4;
tier_bit=x&0x0f;
if(y<32)
row=y;
else
{
row=y-32;
tier+=8;
}
write_cmd(row+0x80);
write_cmd(tier+0x80);
lcd_read_data();
read_old_h=lcd_read_data();
read_old_l=lcd_read_data();
write_cmd(row+0x80);
write_cmd(tier+0x80);
if(tier_bit<8)
{
switch(color)
{
case 0:read_old_h&=(~(0x01<<(7-tier_bit)));break;
case 1:read_old_h|=(0x01<<(7-tier_bit)) ;break;
case 2:read_old_h^=(0x01<<(7-tier_bit)) ;break;
default:break;
}
write_data(read_old_h);
write_data(read_old_l);
}
else
{
switch(color)
{
case 0:read_old_l&=(~(0x01<<(15-tier_bit)));break;
case 1:read_old_l|=(0x01<<(15-tier_bit)) ;break;
case 2:read_old_l^=(0x01<<(15-tier_bit)) ;break;
default:break;
}
write_data(read_old_h);
write_data(read_old_l);
}
write_cmd(0x30);
}
/**************************************************
函數(shù)名稱：draw_level_line
功 能：水平線
參 數(shù)：起始x0 x1 和y坐標 color 0反白 1復原
返回值 ：無
**************************************************/
void draw_level_line(unsigned char x0,unsigned char x1,unsigned char y,unsigned char color)
{
unsigned char temp;
if(x0>x1)
{
temp=x1;
x1=x0;
x0=temp;
}
for(;x0<=x1;x0++)
{
draw_dot(x0,y,color);
}
}
/**************************************************
函數(shù)名稱：draw_vertical_line
功 能：垂直線
參 數(shù)：起始y0 y1 和x坐標 color 0 1
返回值 ：無
**************************************************/
void draw_vertical_line(unsigned char y0,unsigned char y1,unsigned char x,unsigned char color)
{
unsigned char temp;
if(y0>y1)
{
temp=y1;
y1=y0;
y0=temp;
}
for(;y0<=y1;y0++)
draw_dot(x,y0,color);
}
/**************************************************
函數(shù)名稱：draw_line
功 能：畫任意直線
參 數(shù)：startx starty endx endy color
返回值 ：無
**************************************************/
void draw_line(unsigned char startx,unsigned char starty
,unsigned char endx,unsigned char endy,unsigned char color)
{
int t,distance;
int x=0,y=0,delta_x,delta_y;
int incx,incy;
delta_x=endx-startx;
delta_y=endy-starty;
if(delta_x>0)
{
incx=1;
}
else if(delta_x==0)
{
draw_vertical_line(startx,starty,endy,color);
return;
}
else
{
incx= -1;
}
if(delta_y>0)
{
incy=1;
}
else if(delta_y==0)
{
draw_level_line(startx,endx,starty,color);
return;
}
else
{
incy=-1;
}
delta_x=my_abs(delta_x);
delta_y=my_abs(delta_y);
if(delta_x>delta_y)
{
distance=delta_x;
}
else
{
distance=delta_y;
}
draw_dot(startx,starty,color);
for(t=0;t<=distance+1;t++)
{
draw_dot(startx,starty,color);
x+=delta_x;
y+=delta_y;
if(x>distance)
{
x-=distance;
startx+=incx;
}
if(y>distance)
{
y-=distance;
starty+=incy;
}
}
}
/**************************************************
函數(shù)名稱：contin_line
功 能：連續(xù)輸入Y 連成線，Y為0-63注意輸入進來時做轉(zhuǎn)換 線從startx至endx 0-127為最大范圍
參 數(shù)：startx endx endy color
返回值 ：無
**************************************************/
void contin_line(unsigned char startx ,unsigned char endx ,unsigned char Y)
{
static unsigned char i=0,y0=0,y1=0,f=1; //i連線開始坐標
if(f) //用于將startx只在第一次傳遞給i
{
f=0;
i = startx;
}
// x0=i;
y1=Y; //畫該函數(shù)的圖形，完全連接了，
if(i!=startx) //保證不與00坐標連到一起
draw_line(i-1,y0,i,y1,1);
//x1=x0;
y0=y1;
if(i++>=endx) //連線結束坐標
{
i=startx;
clear_GDRAM();
}
}
/**************************************************
函數(shù)名稱：draw_curve
功 能：將一系列無符號字符數(shù)組str的數(shù) 大小0-63注意傳遞前做處理，曲線開始位置 xstart 數(shù)組大小size
參 數(shù)：起點startx size *str
返回值 ：無
**************************************************/
void draw_curve(unsigned char xstart, unsigned char size ,unsigned char *str)
{
static unsigned char i=0,endx=0,y0=0,y1=0,f=1;
if(f) //只傳遞一次
{
f=0;
i = xstart;
}
endx = xstart + size;
if(endx>=128) //保證圖形不溢出
endx =127;
for(;i<endx;i++)
{
y1 = str[i-xstart];
if(i!=xstart)
draw_line(i-1,y0,i,y1,1);
y0 = y1;
}
i = xstart;
//Clear_GDRAM();
}
/**************************************************
函數(shù)名稱：draw_circle
功 能：畫任意圓
參 數(shù)：圓心坐標xy 半徑r color
返回值 ：無
**************************************************/
void draw_circle(unsigned char x,unsigned char y,unsigned char r,unsigned char color)
{
unsigned char a,b;
float c;
a = 0;
b = r;
// c = 1.25 - r;
c = 3 - 2*r;
while(a < b)
{
draw_dot(x+a,y+b,color);
draw_dot(x-a,y+b,color);
draw_dot(x+a,y-b,color);
draw_dot(x-a,y-b,color);
draw_dot(x+b,y+a,color);
draw_dot(x-b,y+a,color);
draw_dot(x+b,y-a,color);
draw_dot(x-b,y-a,color);
if(c < 0)
{
c = c+4*a + 6;
}
else
{
c= c + 4*(a - b) + 10;
b-=1;
}
a = a + 1; //控制打點間隔
}
if(a == b)
{
draw_dot(x+a,y+b,color);
draw_dot(x-a,y+b,color);
draw_dot(x+a,y-b,color);
draw_dot(x-a,y+b,color);
draw_dot(x+b,y+a,color);
draw_dot(x-b,y+a,color);
draw_dot(x+b,y-a,color);
draw_dot(x-b,y-a,color);
}
}
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