STC12C5410AD AD的测试LCD12864显示程序

Rs=0;
RW=0;
Lcd_Bus=cmdcode;
delay(0);
Ce=1;
delay(0);
Ce=0;
}
//---------------------------------------
//名称: 写一个数据字节到LCD函数
//-----------------------------------------
void write_data(unsigned char Rsspdata)
{

Rs=1;
RW=0;
Lcd_Bus=Rsspdata;
delay(0);
Ce=1;
delay(0);
Ce=0;
}
//---------------------------------------
//名称: 清屏函数
//-----------------------------------------
void Clr_Scr(void)
{
unsigned char j,k;
Cs1=1;
Cs2=1;
write_com(Page_Add+0);
write_com(Col_Add+0);

for(k=0;k8;k++)
{
write_com(Page_Add+k);
for(j=0;j64;j++)write_data(0x00);
}
}
//---------------------------------------
//名称: 写入地址函数
//-----------------------------------------
void werite_x_y(unsigned char x,unsigned char y)
{
y=y0x7f;
x=x0x07;
if(y64)
{
Cs1=1;
Cs2=0;
write_com(Col_Add+y);
}
else
{
Cs1=0;
Cs2=1;
y=0x3f;
write_com(Col_Add+y);
}
write_com(Page_Add+x);
}
//---------------------------------------
//名称: 指定位置写16*16汉字函数

//-----------------------------------------

void write_chinese(unsigned char x,unsigned char y, unsigned char hz)
{
unsigned char j=0,i=0;
for(j=0;j2;j++)
{
werite_x_y(x+j,y);
for(i=0;i16;i++) write_data(han[hz*32+16*j+i]);
}
}

//---------------------------------------
//名称: 写一个字符到LCD函数（8*16点阵）
//参数：x,y：写入字符的地址 c: 写入字符在shuzi表格中的位置
//-----------------------------------------
void write_zifu(unsigned char x,unsigned char y, unsigned char zi)
{
unsigned char j=0,i=0;
for(j=0;j2;j++)
{
werite_x_y(x+j,y);
for(i=0;i8;i++) write_data(shuzi[zi*16+8*j+i]); //
}
}
//---------------------------------------
//名称: 初始化12864函数
//-----------------------------------------
void init_lcd(void)
{

Cs1=1;
Cs2=1;
delay(250);
write_com(Rssp_Off);
write_com(Page_Add+0);
write_com(Start_Line+0);
write_com(Col_Add+0);
write_com(Rssp_On);
}
//---------------------------------------
//名称: 延时约1毫秒函数
//-----------------------------------------
void delay1ms()
{
unsigned int k;
for(k=0;k12000;k++);
}
//---------------------------------------
//名称: 模数转换函数（8位）
//-----------------------------------------
void adpro()
{
ADC_DATA = 0; //清A/D转换结果寄存器
adbuf=0;
ADC_CONTR = ADC_CONTR|0x08; //0000，1000ADCS ＝ 1，启动转换
delay1ms();
do{ ; }
while((ADC_CONTR0x10)==0); //0001,0000等待A/D转换结束
ADC_CONTR = ADC_CONTR0xE7; //1110,0111清ADC_FLAG位，停止A/D转换
adbuf = ADC_DATA;
}
//---------------------------------------
//名称: 初始化函数函数
//-----------------------------------------
void init()
{
P1M0=0x01; //设置P1.0为高阻输入，以准备AD
P1M1=0x00;
ADC_CONTR = ADC_CONTR|0x80; //1000,0000打开A/D转换电源
delay1ms();
delay1ms();
ADC_CONTR = ADC_CONTR0xe0; //1110,0000 清ADC_FLAG,ADC_START位和低3位
}
//---------------------------------------
//名称: AD值转电压值函数
//-----------------------------------------
unsigned int dianya_zhuanhuan()
{
unsigned int k;
float i_val, f_val;
i_val=(float)adbuf;
i_val=i_val/255;
i_val=i_val*500;
f_val = modf(i_val, i_val);
if(i_val>999) i_val=999;
k=(int)i_val;
return k;
}
//---------------------------------------
//名称: 主函数
//作者：huangjianxin
//邮箱：hjx5548@163.com
//日期：2009-12-9
//-----------------------------------------
void main()
{
unsigned int dianyabuf;
init();
init_lcd(); //初始化液晶
Clr_Scr();

while(1)
{
adpro();
write_zifu(0,0,10); //A
write_zifu(0,8,13); //D
write_chinese(0,16,0); //值
write_zifu(0,32,47); //:

write_zifu(0,40,((adbuf%1000)/100)); //
write_zifu(0,48,((adbuf%100)/10)); //
write_zifu(0,56,(adbuf%10)); //

dianyabuf=dianya_zhuanhuan();
write_chinese(2,0,1); //电
write_chinese(2,16,2); //压
write_zifu(2,32,47); //:

write_zifu(2,40,dianyabuf/100);
write_zifu(2,48,45);
write_zifu(2,56,(dianyabuf%100)/10);
write_zifu(2,64,dianyabuf%10);
write_zifu(2,72,31);