?? main.i
字號:
while((*Text)>0)
{
Post_Msg(*Text);
Text++;
delay_us(5);
}
}
//===========================================================
//---顯示單個數字
void Show_Num(unsigned char X0,unsigned char Y0,unsigned char Num)
{
Send_Com(0x12,0xB1); //進入文本圖層
Send_Com(0x60,Y0);
Send_Com(0x70,X0*8);
Post_Msg(Num+48);
}
//============================================================
//============================================================
//---顯示浮點數
void Show_Number(unsigned char X0,unsigned char Y0,float Num,unsigned char DpLen)
{
unsigned char i=0,j=0,mynum[6];
unsigned int temp;
bit flag=0; //flag:是否為負
Send_Com(0x12,0xB1); //進入文本層
Send_Com(0x60,Y0); //消隱
Send_Com(0x70,X0*8);
for(i=0;i<6;i++)Post_Msg(0x00);
i=0;
Send_Com(0x60,Y0);
Send_Com(0x70,X0*8);
if(Num<0){Num=fabs(Num);Post_Msg('-');flag=1;i++;}
//-----------得到整數部分------------------
temp=(unsigned int)Num; //取整
do
{
mynum[j]=temp%10;
temp=temp/10; //丟末位
i++;
j++; //位累加
}while(temp!=0);
//---------顯示整數部分--------------------
do
{
Post_Msg(mynum[j-1]+48); //顯示每位
;j--;
}while(j>0);
j=0;
//---------處理小數部分-------------------
if((flag&&i<4)||(!flag&&i<5))
{
i++; //累加小數點位
temp=(unsigned int)Num; //重新取整
Num=Num-temp; //得到小數部分
do
{
Num=Num*10;
temp=Num;
mynum[j]=temp%10;
i++;
j++;
}while(i<6&&j<DpLen); //保留指定小數位
i=0;temp=0;
do
{
temp+=mynum[i];i++;
}while(i<j);
i=0;
//-------------顯示小數部分---------------
if(DpLen)
{
if((DpLen<8)||(DpLen>=8&&temp!=0))
{
Post_Msg('.');
do
{Post_Msg(mynum[i]+48);i++;}
while(i<j);
}
}
}
}
//************************************
/************************************************************************
滾動x1到x2這幾行的顯示屏幕，行是以一個象點為單位
************************************************************************/
void h_gundong(unsigned x1,unsigned char x2)
{Send_Com(0x03,0xf3);
Send_Com(0x71,x1*16);
Send_Com(0x72,x2*16);
}
/************************************************************************
/向上垂直滾動整個屏幕
************************************************************************/
void l_gundong(unsigned y1,unsigned char y2)
{Send_Com(0x03,0xf4);
Send_Com(0x71,y1);
Send_Com(0x72,y2);
}
//*************************************************************************
//================
//畫點
void point(unsigned char X0,unsigned char Y0,unsigned char Pos)
{
unsigned char Temp;
Send_Com(0x12,0xB1+Pos); //選擇操作圖層
Send_Com(0x00,0xC3);
Send_Com(0x60,Y0/8);
Send_Com(0x70,X0);
Temp=Read_Data(Y0/8,X0,Pos);
Temp|=0x80>>(Y0%8);
Post_Msg(Temp);
Send_Com(0x00,0xCD);
}
void point_back(unsigned char X0,unsigned char Y0,unsigned char type)
{
unsigned char temp=0;
Send_Com(0x12,0x32);//讀寫數據均在第二層屏幕上面操作
temp=Y0%8;
temp=1<<(7-temp);
Send_Com(0x00,0xc5);//進入圖形模式
Send_Com(0x60,Y0/8); //ｘ，ｙ與液晶的實際地址剛好是反的
Send_Com(0x70,X0);
if(type)temp|=Read_Data(Y0/8,X0,type);
else
{temp=~temp;
temp&=Read_Data(Y0/8,X0,type);
}
Post_Msg(temp);
Send_Com(0x12,0x31);//返回到第一層屏幕的操作
Send_Com(0x00,0xcd);//返回到文字模式
}
/***************************************************************************
該函數的功能是在屏幕上面打印一條直線
x1,y1分別表示所畫直線的起點坐標 ，x2,y2表示的是所畫的直線的終點坐標
type表示的是所畫的是空line還是實line，畫空line的目的是可以擦除上次畫的line
注意x2>x1,y2>y1;必須得保證這兩個條件
****************************************************************************/
void Line(unsigned char x1,unsigned char y1,unsigned char x2,unsigned char y2)
{float xielv;
float temp;
unsigned char i;
xielv=((float)(x2)-(float)(x1))/((float)y2-(float)(y1));
if(y1==y2)
{
if(x1<=x2)
for(i=x1;i<=x2;i++)point_back(i,y1,2);
else
for(i=x2;i<=x1;i++)point_back(i,y1,2);
}
else
if(y1<y2)
{
for(i=0;i<(y2-y1);i++)
{temp=x1+xielv*i;
point_back(temp,y1+i,2);
}
}
else
if(y1>y2)
{
xielv=-xielv;
for(i=0;i<(y1-y2);i++)
{temp=x1+xielv*i;
point_back(temp,y1-i,2);
}
}
}
void init_8803(void)
{
DDRA.0 =1;
DDRA.1 =1;
DDRB.0 =1;
DDRA.2 =1;
DDRB.4=1;
DDRC =0xFF;
reset_lcd();
clear();
}
// CodeVisionAVR C Compiler
// (C) 1998-2001 Pavel Haiduc, HP InfoTech S.R.L.
// I/O registers definitions for the ATmega16
// CodeVisionAVR C Compiler
// (C) 1998-2000 Pavel Haiduc, HP InfoTech S.R.L.
void reset8255(unsigned char state)
{
DDRC=0xff;DDRA.3=1;DDRA.2 =1;DDRB.3=1;DDRA.4=1;DDRA.0=1;
PORTB.3=0; //片選上
PORTA.3=1; PORTA.2=1;//寫入寄存器
PORTA.0=0;
PORTA.4=1;
PORTC=state;
PORTA.0=1;
PORTB.3=1;
DDRC=0x00;
}
void send8255(unsigned char data,unsigned char direct)
{
DDRC=0xff;
PORTB.3=0;
switch(direct)
{
case 0: PORTA.3=0;PORTA.2=0;break;
case 1: PORTA.3=0;PORTA.2=1;break;
case 2: PORTA.3=1;PORTA.2=0;break;
case 3: PORTA.3=1;PORTA.2=1;break;
}
PORTA.0=0;
PORTA.4=1;
PORTC=data;
PORTA.0=1;
PORTB.3=1;
}
void send_a(unsigned char data)
{
DDRC=0xff;
PORTB.3=0;
PORTA.3=0;PORTA.2=0;
PORTA.0=0;
PORTA.4=1;
PORTC=data;
PORTA.0=1;
PORTB.3=1;
DDRC=0x00;
}
void send_b(unsigned char data)
{
DDRC=0xff;
PORTB.3=0;
PORTA.3=0;PORTA.2=1;
PORTA.0=0;
PORTA.4=1;
PORTC=data;
PORTA.0=1;
PORTB.3=1;
DDRC=0x00;
}
void send_c(unsigned char data)
{
DDRC=0xff;
PORTB.3=0;
PORTA.3=1;PORTA.2=0;
PORTA.0=0;
PORTA.4=1;
PORTC=data;
PORTA.0=1;
PORTB.3=1;
DDRC=0x00;
}
void send_r(unsigned char data)
{
DDRC=0xff;
PORTB.3=0;
PORTA.3=1;PORTA.2=1;
PORTA.0=0;
PORTA.4=1;
PORTC=data;
PORTA.0=1;
PORTB.3=1;
DDRC=0x00;
}
void writeram(unsigned int address,unsigned char data)
{unsigned char temp=0;
DDRB.2=1;
PORTB.2=1;
temp=address;
send_a(temp);
address=address>>8;
temp=address;
send_b(temp);
DDRC=0xff;
PORTC=data;
PORTB.2=0;//片選上62256
#asm("NOP")
PORTA.0=0;
PORTA.0=1;
#asm("NOP")
temp=PINC;
PORTB.2=1;
}
unsigned char readram(unsigned int address)
{unsigned char temp=0;
DDRB.2=1;
PORTB.2=1;
DDRA.4=1;
temp=address;
send_a(temp);
address=address>>8;
temp=address;
send_b(temp);
DDRC=0x00;
PORTC=0x00;
PORTB.2=0;//片選上62256
PORTA.4=0;
#asm
NOP
NOP
#endasm
temp=PINC;
PORTA.4=1;
PORTB.2=1;
return temp;
}
unsigned char i=0,j=0;
unsigned char data=0;
void Display(unsigned char data_temp)
{
unsigned char tmp;
tmp=data_temp/100;
word(i,j,tmp+48);
j++;
tmp=data_temp%100/10;
word(i,j,tmp+48);
j++;
tmp=data_temp%10;
word(i,j,tmp+48);
j+=3;
if(j>18){j=0;i+=2;if(i>6)i=0;}
}
void main(void)
{
unsigned char temp=0;
reset8255(0x80);
init_8803();
writeram(0,60);
writeram(1,128);
writeram(2,50);
writeram(3,99);
Display(readram(0));
Display(readram(1));
Display(readram(2));
Display(readram(3));
Display(readram(4));
Display(readram(5));
while(1){};
}
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