stc8单片机+8针oled驱动显示ADC值源程序 -

#include <intrins.h>
#include <STC8.H>
sbit lcd_sclk=P5^0; /*接口定义:lcd_sclk就是CLK*/
sbit lcd_sid=P5^1; /*接口定义:lcd_sid就是MOSI*/
sbit lcd_rs=P5^2; /*接口定义:lcd_rs就是DC*/
sbit lcd_cs1=P5^3; /*接口定义:lcd_cs1就是OLED的片选CS1*/
sbit Rom_OUT=P5^4; /*字库IC接口定义:Rom_OUT就是FSO*/
sbit Rom_CS=P5^5; /*字库IC接口定义Rom_CS就是字库IC的CS2*/
unsigned char code ASCII[] = {'0','1','2','3','4','5','6','7','8','9'};
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
uchar code bmp1[];
/*写指令到LCD模块*/
void transfer_command_lcd(int data1)
{
char i;
lcd_rs=0;
lcd_sclk=0;
for(i=0;i<8;i++)
{
if(data1&0x80) lcd_sid=1;
else lcd_sid=0;
lcd_sclk=1;
_nop_();
lcd_sclk=0;
data1<<=1;
}
}
/*写数据到LCD模块*/
void transfer_data_lcd(int data1)
{
char i;
lcd_rs=1;
lcd_sclk=0;
for(i=0;i<8;i++)
{
if(data1&0x80) lcd_sid=1;
else lcd_sid=0;
lcd_sclk=1;
_nop_();
lcd_sclk=0;
data1<<=1;
}
}
/*延时*/
void delay(int n_ms)
{
int j,k;
for(j=0;j<n_ms;j++)
for(k=0;k<110;k++);
}
/*等待一个按键，我的主板是用P2.0与GND之间接一个按键*/
//void waitkey()
//{
// repeat:
// if (P2&0x01) goto repeat;
// else delay(6);
// if (P2&0x01) goto repeat;
// else
// delay(40);;
//}
/*LCD模块初始化*/
void initial_lcd()
{
lcd_cs1=0;
Rom_CS = 1;
// lcd_reset=0; /*低电平复位*/
delay(20);
//lcd_reset=1; /*复位完毕*/
delay(20);
transfer_command_lcd(0xAE); //display off
transfer_command_lcd(0x20); //Set Memory Addressing Mode
transfer_command_lcd(0x10); //00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
transfer_command_lcd(0xb0); //Set Page Start Address for Page Addressing Mode,0-7
transfer_command_lcd(0xc8); //Set COM Output Scan Direction
transfer_command_lcd(0x00);//---set low column address
transfer_command_lcd(0x10);//---set high column address
transfer_command_lcd(0x40);//--set start line address
transfer_command_lcd(0x81);//--set contrast control register
transfer_command_lcd(0x7f);
transfer_command_lcd(0xa1);//--set segment re-map 0 to 127
transfer_command_lcd(0xa6);//--set normal display
transfer_command_lcd(0xa8);//--set multiplex ratio(1 to 64)
transfer_command_lcd(0x3F);//
transfer_command_lcd(0xa4);//0xa4,Output follows RAM content;0xa5,Output ignores RAM content
transfer_command_lcd(0xd3);//-set display offset
transfer_command_lcd(0x00);//-not offset
transfer_command_lcd(0xd5);//--set display clock divide ratio/oscillator frequency
transfer_command_lcd(0xf0);//--set divide ratio
transfer_command_lcd(0xd9);//--set pre-charge period
transfer_command_lcd(0x22); //
transfer_command_lcd(0xda);//--set com pins hardware configuration
transfer_command_lcd(0x12);
transfer_command_lcd(0xdb);//--set vcomh
transfer_command_lcd(0x20);//0x20,0.77xVcc
transfer_command_lcd(0x8d);//--set DC-DC enable
transfer_command_lcd(0x14);//
transfer_command_lcd(0xaf);//--turn on oled panel
lcd_cs1=1;
}
void lcd_address(uchar page,uchar column)
{
transfer_command_lcd(0xb0 + column); /*设置页地址*/
transfer_command_lcd(((page & 0xf0) >> 4) | 0x10); /*设置列地址的高4位*/
transfer_command_lcd((page & 0x0f) | 0x00); /*设置列地址的低4位*/
}
/*全屏清屏*/
void clear_screen()
{
unsigned char i,j;
lcd_cs1=0;
Rom_CS = 1;
for(i=0;i<8;i++)
{
transfer_command_lcd(0xb0+i);
transfer_command_lcd(0x00);
transfer_command_lcd(0x10);
for(j=0;j<128;j++)
{
transfer_data_lcd(0x00);
}
}
lcd_cs1=1;
}
/*显示128x64点阵图像*/
//void display_128x64(uchar *dp)
//{
// uint i,j;
// lcd_cs1=0;
// for(j=0;j<8;j++)
// {
// lcd_address(0,j);
// for (i=0;i<128;i++)
// {
// transfer_data_lcd(*dp); /*写数据到LCD,每写完一个8位的数据后列地址自动加1*/
// dp++;
// }
// }
// lcd_cs1=1;
//}
/*显示16x16点阵图像、汉字、生僻字或16x16点阵的其他图标*/
void display_graphic_16x16(uint page,uint column,uchar *dp)
{
uint i,j;
lcd_cs1=0;
Rom_CS = 1;
for(j=2;j>0;j--)
{
lcd_address(column,page);
for (i=0;i<16;i++)
{
transfer_data_lcd(*dp); /*写数据到LCD,每写完一个8位的数据后列地址自动加1*/
dp++;
}
page++;
}
lcd_cs1=1;
}
/*显示8x16点阵图像、ASCII, 或8x16点阵的自造字符、其他图标*/
void display_graphic_8x16(uint page,uchar column,uchar *dp)
{
uint i,j;
lcd_cs1=0;
for(j=2;j>0;j--)
{
lcd_address(column,page);
for (i=0;i<8;i++)
{
transfer_data_lcd(*dp); /*写数据到LCD,每写完一个8位的数据后列地址自动加1*/
dp++;
}
page++;
}
lcd_cs1=1;
}
/*显示5*7点阵图像、ASCII, 或5x7点阵的自造字符、其他图标*/
//void display_graphic_5x7(uint page,uchar column,uchar *dp)
//{
// uint col_cnt;
// uchar page_address;
// uchar column_address_L,column_address_H;
// page_address = 0xb0+page-1;
//
// lcd_cs1=0;
//
// column_address_L =(column&0x0f)-1;
// column_address_H =((column>>4)&0x0f)+0x10;
//
// transfer_command_lcd(page_address); /*Set Page Address*/
// transfer_command_lcd(column_address_H); /*Set MSB of column Address*/
// transfer_command_lcd(column_address_L); /*Set LSB of column Address*/
//
// for (col_cnt=0;col_cnt<6;col_cnt++)
// {
// transfer_data_lcd(*dp);
// dp++;
// }
// lcd_cs1=1;
//}
/****送指令到亿阳字库IC***/
void send_command_to_ROM( uchar datu )
{
uchar i;
for(i=0;i<8;i++ )
{
if(datu&0x80)
lcd_sid = 1;
else
lcd_sid = 0;
datu = datu<<1;
lcd_sclk=0;
lcd_sclk=1;
}
}
/****从亿阳字库IC中取汉字或字符数据（1个字节）***/
static uchar get_data_from_ROM( )
{
uchar i;
uchar ret_data=0;
lcd_sclk=1;
for(i=0;i<8;i++)
{
Rom_OUT=1;
lcd_sclk=0;
ret_data=ret_data<<1;
if( Rom_OUT )
ret_data=ret_data+1;
else
ret_data=ret_data+0;
lcd_sclk=1;
}
return(ret_data);
}
/*从相关地址（addrHigh：地址高字节,addrMid：地址中字节,addrLow：地址低字节）中连续读出DataLen个字节的数据到 pBuff的地址*/
/*连续读取*/
void get_n_bytes_data_from_ROM(uchar addrHigh,uchar addrMid,uchar addrLow,uchar *pBuff,uchar DataLen )
{
uchar i;
Rom_CS = 0;
lcd_cs1=1;
lcd_sclk=0;
send_command_to_ROM(0x03);
send_command_to_ROM(addrHigh);
send_command_to_ROM(addrMid);
send_command_to_ROM(addrLow);
for(i = 0; i < DataLen; i++ )
*(pBuff+i) =get_data_from_ROM();
Rom_CS = 1;
}
/*显示坐标*/
ulong fontaddr=0;
void display_GB2312_string(uchar y,uchar x,uchar *text)//y为行地址 x为点阵像素汉字为16,ASCII码符号为8
{
uchar i= 0;
uchar addrHigh,addrMid,addrLow ;
uchar fontbuf[32];
while((text[i]>0x00))
{
if(((text[i]>=0xb0) &&(text[i]<=0xf7))&&(text[i+1]>=0xa1))
{
/*国标简体（GB2312）汉字在亿阳字库IC中的地址由以下公式来计算：*/
/*Address = ((MSB - 0xB0) * 94 + (LSB - 0xA1)+ 846)*32+ BaseAdd;BaseAdd=0*/
/*由于担心8位单片机有乘法溢出问题，所以分三部取地址*/
fontaddr = (text[i]- 0xb0)*94;
fontaddr += (text[i+1]-0xa1)+846;
fontaddr = (ulong)(fontaddr*32);
addrHigh = (fontaddr&0xff0000)>>16; /*地址的高8位,共24位*/
addrMid = (fontaddr&0xff00)>>8; /*地址的中8位,共24位*/
addrLow = fontaddr&0xff; /*地址的低8位,共24位*/
get_n_bytes_data_from_ROM(addrHigh,addrMid,addrLow,fontbuf,32 );/*取32个字节的数据，存到"fontbuf[32]"*/
display_graphic_16x16(y,x,fontbuf);/*显示汉字到LCD上，y为页地址，x为列地址，fontbuf[]为数据*/
i+=2;
x+=16;
}
else if(((text[i]>=0xa1) &&(text[i]<=0xa3))&&(text[i+1]>=0xa1))
{
/*国标简体（GB2312）15x16点的字符在亿阳字库IC中的地址由以下公式来计算：*/
/*Address = ((MSB - 0xa1) * 94 + (LSB - 0xA1))*32+ BaseAdd;BaseAdd=0*/
/*由于担心8位单片机有乘法溢出问题，所以分三部取地址*/
fontaddr = (text[i]- 0xa1)*94;
fontaddr += (text[i+1]-0xa1);
fontaddr = (ulong)(fontaddr*32);
addrHigh = (fontaddr&0xff0000)>>16; /*地址的高8位,共24位*/
addrMid = (fontaddr&0xff00)>>8; /*地址的中8位,共24位*/
addrLow = fontaddr&0xff; /*地址的低8位,共24位*/
get_n_bytes_data_from_ROM(addrHigh,addrMid,addrLow,fontbuf,32 );/*取32个字节的数据，存到"fontbuf[32]"*/
display_graphic_16x16(y,x,fontbuf);/*显示汉字到LCD上，y为页地址，x为列地址，fontbuf[]为数据*/
i+=2;
x+=16;
}
else if((text[i]>=0x20) &&(text[i]<=0x7e))
{
unsigned char fontbuf[16];
fontaddr = (text[i]- 0x20);
fontaddr = (unsigned long)(fontaddr*16);
fontaddr = (unsigned long)(fontaddr+0x3cf80);
addrHigh = (fontaddr&0xff0000)>>16;
addrMid = (fontaddr&0xff00)>>8;
addrLow = fontaddr&0xff;
get_n_bytes_data_from_ROM(addrHigh,addrMid,addrLow,fontbuf,16 );/*取16个字节的数据，存到"fontbuf[32]"*/
display_graphic_8x16(y,x,fontbuf);/*显示8x16的ASCII字到LCD上，y为页地址，x为列地址，fontbuf[]为数据*/
i+=1;
x+=8;
}
else
i++;
}
}
//void display_string_5x7(uchar y,uchar x,uchar *text)
//{
// unsigned char i= 0;
// unsigned char addrHigh,addrMid,addrLow ;
// while((text[i]>0x00))
// {
//
// if((text[i]>=0x20) &&(text[i]<=0x7e))
// {
// unsigned char fontbuf[8];
// fontaddr = (text[i]- 0x20);
// fontaddr = (unsigned long)(fontaddr*8);
// fontaddr = (unsigned long)(fontaddr+0x3bfc0);
// addrHigh = (fontaddr&0xff0000)>>16;
// addrMid = (fontaddr&0xff00)>>8;
// addrLow = fontaddr&0xff;
// get_n_bytes_data_from_ROM(addrHigh,addrMid,addrLow,fontbuf,8);/*取8个字节的数据，存到"fontbuf[32]"*/
//
// display_graphic_5x7(y,x,fontbuf);/*显示5x7的ASCII字到LCD上，y为页地址，x为列地址，fontbuf[]为数据*/
// i+=1;
// x+=6;
// }
// else
// i++;
// }
//
//}
void xianshiyiwei (uchar y,uchar x,uchar i) //显示一个字符
{
uchar j[4];
j[0]=ASCII[i];
display_GB2312_string(y,x,j);
}
void displaynum (uchar y,uchar x,uint num)//显示一串字符
{
if(1000<=num&&num<=9999)
{
xianshiyiwei(y,x,num%10000/1000);
xianshiyiwei(y,x+8,num%1000/100);
xianshiyiwei(y,x+16,num%100/10);
xianshiyiwei(y,x+24,num%10);
}
if(100<=num&&num<=999)
{
xianshiyiwei(y,x,num%1000/100);
xianshiyiwei(y,x+8,num%100/10);
xianshiyiwei(y,x+16,num%10);
}
if(10<=num&&num<=99)
{
xianshiyiwei(y,x,num%100/10);
xianshiyiwei(y,x+8,num%10);
}
if(0<=num&&num<=9)
{
xianshiyiwei(y,x,num);
}
}

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