OLED12864源代碼分享 IIC協議

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帖子模式

人人學會單片機

發布時間: 2021-3-28 18:39

正文摘要:

以下代碼的截圖的OLED分區顯示漢字因為字符的代碼。請按照左邊的編號自行謄寫

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ID:903287 發表于 2021-5-5 10:01

#include "all.H"

void IIC_Delay()
{
_nop_();_nop_();_nop_();_nop_();_nop_();_nop_();
}

void IIC_Init()
{
P2M0&=0x3f;
P2M1&=0x3f;
SCL_GPIO=1;//ê±Öó
_nop_();
SDA_GPIO=1;//êy¾Y
_nop_();

}

void IIC_Start() //Æeê¼DÅoÅ
{
SDA_GPIO=1;
SCL_GPIO=1;

IIC_Delay();
SDA_GPIO=0;
IIC_Delay();
SCL_GPIO=0;
IIC_Delay();
}

void IIC_Stop() //í￡Ö1DÅoÅ
{

SDA_GPIO=0;
SCL_GPIO=1;
IIC_Delay();
SDA_GPIO=1;
IIC_Delay();
}

void IIC_Write_Byte(u8 IIC_Byte)//Ïò×üÏß·￠Ëíò»¸ö×Ö½ú
{
u8 i;
SCL_GPIO=0;
SDA_GPIO=1;
for(i=0;i<8;i++)
{
SDA_GPIO=(bit)(IIC_Byte&0x80);
IIC_Byte<<=1;
SCL_GPIO=1;
IIC_Delay();
SCL_GPIO=0;
IIC_Delay();
}
SDA_GPIO=1;
}

u8 IIC_Read_Byte()//¶áè¡êy¾Y·μ»Ø
{
u8 i,Value;
SCL_GPIO=0;
SDA_GPIO=1;
for(i=0;i<8;i++)
{
Value=(Value<<1)|SDA_GPIO;
SCL_GPIO=1;
IIC_Delay();
SCL_GPIO=0;
IIC_Delay();
}
return Value;
}

u8 IIC_Read_Ack()//μ￥Æ¬»ú¼ì2aIIC′ó»ú·￠à′μÄó|′eDÅoÅ
{
u8 ack=1,i=0;
SCL_GPIO=1;
IIC_Delay();
while((ack)&&(i<5))//ÕaÑùD′2»»áËàÑ-»·
{
ack=SDA_GPIO;
i++;
}
SCL_GPIO=0;
return ack;
}

void IIC_Write_Ack(bit Ack)//μ￥Æ¬»ú·￠Ëíó|′e¸ø′ó»ú
{
SDA_GPIO=Ack;
IIC_Delay();
SCL_GPIO=1;
IIC_Delay();
SCL_GPIO=0;
IIC_Delay();
SDA_GPIO=1;
IIC_Delay();
}

ID:903287 發表于 2021-5-5 10:01

#include "all.H"

u8 xdata OLED_Write_Buffer[8][8][16];
u8 xdata OLED_Modify_Allow=0;

void OLED_Write_Reg(u8 Reg)
{
IIC_Start();
IIC_Write_Byte(0x78);
IIC_Read_Ack();
IIC_Write_Byte(0x00);
IIC_Read_Ack();
IIC_Write_Byte(Reg);
IIC_Read_Ack();
IIC_Stop();
}

void OLED_Write_Data(u8 PAGE,u8 SEG16)
{
u8 i;
PAGE=0;
SEG16=0;

OLED_Write_Reg(0xb0+PAGE);
OLED_Write_Reg(SEG16|0x10);
OLED_Write_Reg(0);

IIC_Start();
IIC_Write_Byte(0x78);
IIC_Read_Ack();
IIC_Write_Byte(0x40);
IIC_Read_Ack();
for(i=0;i<16;i++)
{
IIC_Write_Byte(OLED_Write_Buffer[PAGE][SEG16][i]);
IIC_Read_Ack();
}
IIC_Stop();
}

void OLED_New_Display_Ser()
{
static xdata u8 count;
static xdata u8 PAGE=0;
switch(count)
{
case 10:/*OLED_Modify_Allow=0;*/OLED_Write_Data(PAGE,0);break;
case 20:OLED_Write_Data(PAGE,1);break;
case 30:OLED_Write_Data(PAGE,2);break;
case 40:OLED_Write_Data(PAGE,3);break;
case 50:OLED_Write_Data(PAGE,4);break;
case 60:OLED_Write_Data(PAGE,5);break;
case 70:OLED_Write_Data(PAGE,6);break;
case 80:OLED_Write_Data(PAGE,7);count=0;PAGE++;PAGE=PAGE%8;break;

default:OLED_Modify_Allow=1;break;
}
count++;
}

void OLED_Display_Symbor_ser(u8 PAGE,u8 SEG16,u8 Dat1,u8 Dat2)
{
u8 data i,Value1,Value2;
Value1=Dat1-' ';
Value2=Dat2-' ';
for(i=0;i<8;i++)
{
OLED_Write_Buffer[PAGE][SEG16][i]=F8X16[Value1*16+i];
}
for(i=0;i<8;i++)
{
OLED_Write_Buffer[PAGE][SEG16][i+8]=F8X16[Value2*16+i];
}
for(i=0;i<8;i++)
{
OLED_Write_Buffer[PAGE+1][SEG16][i]=F8X16[Value1*16+8+i];
}
for(i=0;i<8;i++)
{
OLED_Write_Buffer[PAGE+1][SEG16][i+8]=F8X16[Value2*16+8+i];
}
}

void OLED_Display_Chines_Ser(u8 PAGE,u8 SEG16,u8 Dat) //ÖDÎÄÏÔê¾
{
u8 xdata i=0;
for(i=0;i<16;i++)
{
OLED_Write_Buffer[PAGE][SEG16][i]=Hzk[Dat][i];
}
for(i=0;i<16;i++)
{
OLED_Write_Buffer[PAGE+1][SEG16][i]=Hzk[Dat+1][i];
}
}

void OLED_Write_fixed_Buffer()
{
OLED_Display_Symbor_Ser(0,0,'*','*');
OLED_Display_Symbor_Ser(0,1,'*',' ');
OLED_Display_Chines_Ser(0,2,0);
OLED_Display_Chines_Ser(0,3,2);
OLED_Display_Chines_Ser(0,4,4);
OLED_Display_Chines_Ser(0,5,6);
OLED_Display_Symbor_Ser(0,6,'*','*');
OLED_Display_Symbor_Ser(0,7,'*','*');

OLED_Display_Symbor_Ser(2,0,'2','0');
OLED_Display_Symbor_Ser(2,1,' ',' ');
OLED_Display_Chines_Ser(2,2,8);
OLED_Display_Symbor_Ser(2,3,' ',' ');
OLED_Display_Chines_Ser(2,4,10);
OLED_Display_Symbor_Ser(2,5,' ',' ');
OLED_Display_Chines_Ser(2,6,32);
OLED_Display_Symbor_Ser(2,7,' ',' ');

OLED_Display_Chines_Ser(4,0,16);
OLED_Display_Chines_Ser(4,1,18);
OLED_Display_Symbor_Ser(4,2,' ',' ');
OLED_Display_Symbor_Ser(4,3,' ',' ');
OLED_Display_Chines_Ser(4,4,12);
OLED_Display_Symbor_Ser(4,5,' ',' ');
OLED_Display_Chines_Ser(4,6,14);
OLED_Display_Symbor_Ser(4,7,' ',' ');

OLED_Display_Symbor_Ser(6,0,'w','q');
OLED_Display_Symbor_Ser(6,1,'x','d');
OLED_Display_Symbor_Ser(6,2,'z','.');
OLED_Display_Symbor_Ser(6,3,'t','a');
OLED_Display_Symbor_Ser(6,4,'o','b');
OLED_Display_Symbor_Ser(6,5,'a','o');
OLED_Display_Symbor_Ser(6,6,'.','c');
OLED_Display_Symbor_Ser(6,7,'o','m');
}

void OLED_Init()
{
OLED_Write_Reg(0x40);

OLED_Write_Reg(0x81);
OLED_Write_Reg(0xff);

OLED_Write_Reg(0xda);
OLED_Write_Reg(0x12);

OLED_Write_Reg(0xc8);
OLED_Write_Reg(0xa1);
OLED_Write_Reg(0xa6);

OLED_Write_Reg(0xa8);
OLED_Write_Reg(0x3f);

OLED_Write_Reg(0x20);
OLED_Write_Reg(0x00);

OLED_Write_Reg(0x8d);
OLED_Write_Reg(0x14);

OLED_Write_Reg(0xa4);
OLED_Write_Reg(0xaf);

OLED_Write_Reg(0xd3);
OLED_Write_Reg(0x00);

OLED_Write_Reg(0xd5);
OLED_Write_Reg(0x00);

OLED_Write_Reg(0xd9);
OLED_Write_Reg(0x22);

OLED_Write_Reg(0xdb);
OLED_Write_Reg(0x20);

OLED_Write_Data(0,0);

OLED_Write_fixed_Buffer();
}

ID:60656 發表于 2021-4-18 19:50