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SSD1305控制器12864OLED显示屏DEMO程序
发布时间： 2018/7/26 14:48:37 | 737 次阅读
#include <reg52.h>
#include <intrins.h>
#include <math.h>
#include <stdio.h>
#define lcddata P1
#define uchar unsigned char
#define uint unsigned char
//#define I80
//#define SPI
//#define M68
#define I2C
sbit RW=P3^1;
sbit E=P3^3;
sbit _WR=P3^1;
sbit _RD=P3^3;
sbit CS=P3^4;
sbit DC=P3^0;
sbit RES=P3^5;
sbit SCLK=P1^0;
sbit SDIN=P1^1;
sbit SCL=P1^0;
sbit SDA=P1^1;
uchar code tab8[][8]={
0x0e,0x11,0x13,0x15,0x19,0x11,0x0e,0x00,// 0 代码"10"
0x04,0x0c,0x04,0x04,0x04,0x04,0x0e,0x00,//1 代码"11"
0x0e,0x11,0x01,0x02,0x04,0x08,0x1f,0x00,//2 代码"12"
0x1f,0x02,0x04,0x02,0x01,0x11,0x0e,0x00,// 3 代码"13"
0x02,0x06,0x0a,0x12,0x1f,0x02,0x02,0x00,// 4 代码"14"
0x1f,0x10,0x1e,0x01,0x01,0x11,0x0e,0x00,// 5 代码"15"
0x06,0x08,0x10,0x1e,0x11,0x11,0x0e,0x00,// 6 代码"16"
0x1f,0x01,0x02,0x04,0x04,0x04,0x04,0x00,// 7 代码"17"
0x0e,0x11,0x11,0x0e,0x11,0x11,0x0e,0x00,// 8 代码"18"
0x0e,0x11,0x11,0x0e,0x01,0x02,0x0c,0x00,// 9 代码"19"
0x0e,0x11,0x11,0x11,0x1f,0x11,0x11,0x00,// A 代码"21"
0x00,0x3E,0x51,0x49,0x45,0x3E,0x00,0x00, /*"0"=10h*/
0x00,0x00,0x42,0x7F,0x40,0x00,0x00,0x00, /*"1"=11h*/
0x00,0x42,0x61,0x51,0x49,0x46,0x00,0x00, /*"2"=12h*/
0x00,0x21,0x41,0x45,0x4B,0x31,0x00,0x00, /*"3"=13h*/
0x00,0x18,0x14,0x12,0x7F,0x10,0x00,0x00, /*"4"=14h*/
0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00, /*"5"=15h*/
0x00,0x3C,0x4A,0x49,0x49,0x30,0x00,0x00, /*"6"=16h*/
0x00,0x01,0x01,0x79,0x05,0x03,0x00,0x00, /*"7"=17h*/
0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00, /*"8"=18h*/
0x00,0x06,0x49,0x49,0x29,0x1E,0x00,0x00, /*"9"=19h*/
0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00, /*":"=1Ah*/
0x00,0x00,0x56,0x36,0x00,0x00,0x00,0x00, /*";"=1Bh*/
0x00,0x7E,0x11,0x11,0x11,0x7E,0x00,0x00, /*"A"=21h*/
0x00,0x41,0x7F,0x49,0x49,0x36,0x00,0x00, /*"B"=22h*/
0x00,0x3E,0x41,0x41,0x41,0x22,0x00,0x00, /*"C"=23h*/
0x00,0x41,0x7F,0x41,0x41,0x3E,0x00,0x00, /*"D"=24h*/
0x00,0x7F,0x49,0x49,0x49,0x49,0x00,0x00, /*"E"=25h*/
0x00,0x7F,0x09,0x09,0x09,0x01,0x00,0x00, /*"F"=26h*/
0x00,0x3E,0x41,0x41,0x49,0x7A,0x00,0x00, /*"G"=27h*/
0x00,0x7F,0x08,0x08,0x08,0x7F,0x00,0x00, /*"h"=28h*/
0x00,0x00,0x41,0x7F,0x41,0x00,0x00,0x00, /*"I"=29h*/
};
uchar code tab16[][32]={
/* 点阵：16x16
提取点阵方向：纵向
字节掉转：是
字节方式：C语言 */
0x10,0x22,0x64,0x0C,0xC0,0x44,0x54,0x54, // 清
0x54,0x7F,0x54,0x54,0xD6,0x44,0x40,0x00,
0x04,0x04,0xFE,0x01,0x00,0x00,0xFF,0x15,
0x15,0x15,0x55,0x95,0x7F,0x01,0x00,0x00,
0x40,0x42,0xCC,0x00,0x20,0x20,0x20,0xA0, // 达
0x7F,0x20,0x20,0x20,0x30,0x20,0x00,0x00,
0x40,0x20,0x1F,0x20,0x50,0x48,0x46,0x41,
0x40,0x41,0x42,0x4C,0x58,0x60,0x20,0x00,
0x40,0x40,0x42,0x44,0x58,0xC0,0x40,0x7F, // 光
0x40,0xC0,0x50,0x48,0x46,0x64,0x40,0x00,
0x00,0x80,0x40,0x20,0x18,0x07,0x00,0x00,
0x00,0x3F,0x40,0x40,0x40,0x40,0x70,0x00,
0x00,0x00,0xC0,0x40,0x40,0x40,0x7F,0x48, // 点
0x48,0x48,0x48,0xE8,0x4C,0x08,0x00,0x00,
0x80,0x40,0x37,0x04,0x14,0x64,0x04,0x14,
0x24,0x64,0x04,0x17,0x20,0xC0,0x00,0x00,
0x10,0x22,0x64,0x0C,0x80,0x04,0xC4,0x34, // 液
0x05,0xC6,0xBC,0x24,0x24,0xE6,0x04,0x00,
0x04,0x04,0xFE,0x01,0x02,0x01,0xFF,0x42,
0x21,0x16,0x08,0x15,0x23,0x60,0x20,0x00,
0x00,0x00,0x00,0x00,0xFF,0x49,0x49,0x49, // 晶
0x49,0x49,0xFF,0x00,0x00,0x80,0x00,0x00,
0x00,0xFF,0x49,0x49,0x49,0x49,0xFF,0x00,
0xFF,0x49,0x49,0x49,0x49,0xFF,0x01,0x00,
0x10,0x10,0xD0,0xFF,0x94,0x14,0xE4,0xBF, // 模
0xA4,0xA4,0xA4,0xBF,0xF4,0x26,0x04,0x00,
0x04,0x03,0x00,0xFF,0x08,0x89,0x8B,0x4A,
0x2A,0x1E,0x2A,0x2A,0x4B,0xC8,0x48,0x00,
0x20,0x20,0x20,0xFF,0x20,0x20,0x10,0x10, // 块
0xFF,0x10,0x10,0x10,0xF8,0x10,0x00,0x00,
0x08,0x18,0x08,0x0F,0x84,0x46,0x22,0x1A,
0x07,0x0A,0x12,0x22,0x43,0xC2,0x42,0x00,
};
void uDelay(unsigned char l)
{
while(l--);
}
void delay(unsigned char n)
{
unsigned char i,j,k;
for(k=0;k<n;k++)
{
for(i=0;i<131;i++)
{
for(j=0;j<15;j++)
{
uDelay(80);
}
}
}
}
#ifdef M68 // 8-bit 68XX Parallel
void Writecom(unsigned char Data)
{
DC=0;
CS=0;
RW=0;
E=1;
lcddata=Data;
E=0;
RW=1;
CS=1;
DC=1;
}
void Writedata(unsigned char Data)
{
DC=1;
CS=0;
RW=0;
E=1;
lcddata=Data;
E=0;
RW=1;
CS=1;
DC=1;
}
#endif
#ifdef I80 // 8-bit 80XX Parallel
void Writecom(uchar com)
{
DC=0;
CS=0;
_WR=0;
_nop_();
lcddata=com;
_nop_();
_WR=1;
_nop_();
_nop_();
CS=1;
DC=1;
}
void Writedata(uchar dat)
{
DC=1;
CS=0;
_WR=0;
_nop_();
lcddata=dat;
_nop_();
_WR=1;
_nop_();
_nop_();
CS=1;
DC=1;
}
uchar Readcom()
{
uchar com;
DC=0;
CS=0;
lcddata=0xff;
_RD=0;
_nop_();
_nop_();
com=lcddata;
_RD=1;
_nop_();
_nop_();
CS=1;
DC=1;
return com;
}
uchar Readdata()
{
uchar dat;
DC=1;
CS=0;
lcddata=0xff;
_RD=0;
_nop_();
_nop_();
dat= lcddata;
_RD=1;
_nop_();
_nop_();
CS=1;
DC=1;
return dat;
}
#endif
#ifdef SPI // 4-wire SPI
void Writecom(unsigned char Data)
{
unsigned char i;
CS=0;
DC=0;
for (i=0; i<8; i++)
{
SCLK=0;
SDIN=(Data&0x80)>>7;
Data = Data << 1;
// uDelay(1);
SCLK=1;
// uDelay(1);
}
// SCLK=0;
DC=1;
CS=1;
}
void Writedata(unsigned char Data)
{
unsigned char i;
CS=0;
DC=1;
for (i=0; i<8; i++)
{
SCLK=0;
SDIN=(Data&0x80)>>7;
Data = Data << 1;
// uDelay(1);
SCLK=1;
// uDelay(1);
}
// SCLK=0;
DC=1;
CS=1;
}
#endif
#ifdef I2C // I2C
void uDelay(unsigned char l)
{
while(l--);
}
void I2C_O(unsigned char mcmd)
{
unsigned char length = 8; // Send Command
while(length--)
{
if(mcmd & 0x80)
{
SDA=1;
}
else
{
SDA=0;
}
uDelay(3);
SCL=1;
uDelay(3);
SCL=0;
uDelay(3);
mcmd = mcmd << 1;
}
}
void I2C_Ack()
{
SDA=1;
uDelay(3);
SCL=1;
uDelay(3);
SCL=0;
uDelay(3);
}
void I2C_NAck()
{
SDA=0;
uDelay(3);
SCL=1;
uDelay(3);
SCL=0;
uDelay(3);
}
void I2C_Start()
{
SDA=0;
uDelay(3);
SCL=1;
uDelay(3);
SCL=0;
uDelay(3);
I2C_O(0x78);
I2C_Ack();
}
void I2C_Stop()
{
SCL=1;
uDelay(5);
SDA=0;
uDelay(5);
SDA=1;
uDelay(5);
}
void Writecom(unsigned char Data)
{
I2C_Start();
I2C_O(0x00);
I2C_Ack();
I2C_O(Data);
I2C_Ack();
I2C_Stop();
}
void Writedata(unsigned char Data)
{
I2C_Start();
I2C_O(0x40);
I2C_Ack();
I2C_O(Data);
I2C_Ack();
I2C_Stop();
}
#endif
void startline(uchar line)
{
line=line&0x3f;///定义低5位
line=line|0x40;///行或
Writecom(line);
}
void startpage(uchar page)
{
page=page&0x0f;///定义低4位
page=page|0xb0;///页
Writecom(page);
}
/*The beginning of seg is 0x1000*/
void startcolumn(uchar column)
{
uchar temp;
temp=column;
column=column&0x0f; ///定义A3-A0;
column=column|0x00;
Writecom(column);
column=temp/16; ////////////// >>4
column=column&0x0f; ///定义A7-A4;
column=column|0x10;
Writecom(column);
}
void clear(uchar m)
{uchar i,j;
for(i=0;i<8;i++)
{
Writecom(0xb0+i); //startpage(i)
Writecom(0x00);Writecom(0x10); //startcolumn(0)
for(j=0;j<128;j++)
{Writedata(m);
}}
}
void reset(uchar m)
{
unsigned char i,j;
for(i=0;i<8;i++)
{ startpage(i);
startcolumn(0x00);
for(j=0;j<64;j++)
{ Writedata(m);
Writedata(~m);
}}}
void INT()
{
RES=0;
uDelay(20);
RES=1;
uDelay(20);
Writecom(0xae);/////////关显示
Writecom(0xd5);/////////设定显示频率
Writecom(0xa0);
Writecom(0xa8);/////设定占空比 1/32
Writecom(0x3f);
Writecom(0xd3);////////设定显示范围 COM
Writecom(0x00);
Writecom(0x40);///////起始行
Writecom(0x00);
Writecom(0xad);/////内部dc-dc
Writecom(0x8e);
Writecom(0x20);/////接口方式 页方式
Writecom(0x02);
Writecom(0xa1);/////seg方向 132-0
Writecom(0xc8);/////com方向 63-0
Writecom(0xda);////Set COM Pins Hardware Configuration
Writecom(0x12);///
Writecom(0x81);////////////对比度调节
Writecom(0xbf);/////////////对比度为中
Writecom(0xdb);////////////倍压调节
Writecom(0x34);///////////
Writecom(0xa4);////////////Entire Display ON
Writecom(0xa6);////////////Normal display
clear(0x00);
Writecom(0xaf);////////////开显示
}
void display88(uchar x,uchar y,uchar coder)
{
uchar i;
for(i=0;i<8;i++)
{
startpage(y);
startcolumn(x);
Writedata(tab8[coder][i]);x++;}
}
void display_8(uchar x,uchar y)
{
uchar i;
for(i=0;i<16;i++)
{display88(x,y,i);x=x+8;}
}
void display16(uchar x,uchar y,uchar coder)
{
uint j,i;
uchar n;
n=x;
i=0;
loop:
for(j=i;j<i+16;j++)
{
startpage(y);
startcolumn(x);
Writedata(tab16[coder][j]);x++;}
if(i==0)
{i=16;
y++;
x=n;
if(y==4)
return;
else goto loop;}
}
void display_16(uchar x,uchar y)
{
uchar i;
for(i=0;i<8;i++)
{display16(x,y,i);x=x+16;}
}
/****************************************************
竖直卷动
a=0x00,向上卷动 a=0x01,向下卷动
// b: Set Top Fixed Area
// c: Set Vertical Scroll Area
// d: Set Numbers of Row Scroll per Step
// e: Set Time Interval between Each Scroll Step
**************************************************/
void Vertical_Scroll(unsigned char a, unsigned char b, unsigned char c, unsigned char d, unsigned char e)
{
unsigned int i,j;
Writecom(0xA3); // Set Vertical Scroll Area
Writecom(b); // Default => 0x00 (Top Fixed Area)
Writecom(c); // Default => 0x40 (Vertical Scroll Area)
switch(a)
{
case 0:
for(i=0;i<c;i+=d)
{
startline(i);
for(j=0;j<e;j++)
{
uDelay(200);
}
}
break;
case 1:
for(i=0;i<c;i+=d)
{
startline(c-i);
for(j=0;j<e;j++)
{
uDelay(200);
}
}
break;
}
startline(0x00);
}
/******************************************************
水平卷动
a=0x00,向右卷动 a=0x01,向左卷动
// b: Set Numbers of Column Scroll per Step
// c: Define Start Page Address
// d: Define End Page Address
// e: Set Time Interval between Each Scroll Step in Terms of Frame Frequency
// f: Delay Time
*******************************************************/
void Horizontal_Scroll(unsigned char a, unsigned char b, unsigned char c, unsigned char d, unsigned char e, unsigned char f)
{
Writecom(0x26|a); // Horizontal Scroll Setup
Writecom(b);
Writecom(c);
Writecom(e);
Writecom(d);
Writecom(0x2F); // Activate Scrolling
delay(f);
}
/*************
主程序
***************/
void main(void)
{
INT();
clear(0xff);
delay(1);
clear(0x55);
delay(1);
clear(0xaa);
delay(1);
reset(0x55);
delay(1);
reset(0xaa);
delay(1);
reset(0xff);
delay(1);
reset(0x00);
delay(1);
clear(0x00);
display_8(0,2);
display_8(0,3);
display_16(0,0);
display_16(0,4);
display_16(0,6);
while(1);
}
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