这是程序
#include "oled.h"#include "oled12864.h" void delay_ms(unsigned int ms){ unsigned int a; while(ms) { a=1800; while(a--); ms--; } return;}/**********************************************//IIC Start**********************************************/void IIC_Start(){ OLED_SCLK_Set() ; OLED_SDIN_Set(); OLED_SDIN_Clr(); OLED_SCLK_Clr();}/**********************************************//IIC Stop**********************************************/void IIC_Stop(){ OLED_SCLK_Set() ;// OLED_SCLK_Clr(); OLED_SDIN_Clr(); OLED_SDIN_Set(); }void IIC_Wait_Ack(){ OLED_SCLK_Set() ; OLED_SCLK_Clr();}void Write_IIC_Byte(unsigned char IIC_Byte){ unsigned char i; unsigned char m,da; da=IIC_Byte; OLED_SCLK_Clr(); for(i=0;i<8;i++) { m=da; // OLED_SCLK_Clr(); m=m&0x80; if(m==0x80) {OLED_SDIN_Set();} else OLED_SDIN_Clr(); da=da<<1; OLED_SCLK_Set(); OLED_SCLK_Clr(); }}/**********************************************// IIC Write Command**********************************************/void Write_IIC_Command(unsigned char IIC_Command){ IIC_Start(); Write_IIC_Byte(0x78); //Slave address,SA0=0 IIC_Wait_Ack(); Write_IIC_Byte(0x00); //write command IIC_Wait_Ack(); Write_IIC_Byte(IIC_Command); IIC_Wait_Ack(); IIC_Stop();}/**********************************************// IIC Write Data**********************************************/void Write_IIC_Data(unsigned char IIC_Data){ IIC_Start(); Write_IIC_Byte(0x78); //D/C#=0; R/W#=0 IIC_Wait_Ack(); Write_IIC_Byte(0x40); //write data IIC_Wait_Ack(); Write_IIC_Byte(IIC_Data); IIC_Wait_Ack(); IIC_Stop();}void OLED_WR_Byte(unsigned dat,unsigned cmd){ if(cmd) { Write_IIC_Data(dat); } else { Write_IIC_Command(dat); }}///********************************************//// fill_Picture//********************************************///void fill_picture(unsigned char fill_Data)//{// unsigned char m,n;// for(m=0;m<8;m++)// {// OLED_WR_Byte(0xb0+m,0); //page0-page1// OLED_WR_Byte(0x00,0); //low column start address// OLED_WR_Byte(0x10,0); //high column start address// for(n=0;n<128;n++)// {// OLED_WR_Byte(fill_Data,1);// }// }//}///***********************Delay****************************************///void Delay_50ms(unsigned int Del_50ms)//{// unsigned int m;// for(;Del_50ms>0;Del_50ms--)// for(m=6245;m>0;m--);//}//void Delay_1ms(unsigned int Del_1ms)//{// unsigned char j;// while(Del_1ms--)// { // for(j=0;j<123;j++);// }//}//坐标设置void OLED_Set_Pos(unsigned char x, unsigned char y) { OLED_WR_Byte(0xb0+y,OLED_CMD); OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f),OLED_CMD); } ////开启OLED显示 //void OLED_Display_On(void)//{// OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令// OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON// OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON//}////关闭OLED显示 //void OLED_Display_Off(void)//{// OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令// OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF// OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF//} //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!! void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址（0~7） OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址 OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA); } //更新显示}//void OLED_On(void) //{ // u8 i,n; // for(i=0;i<8;i++) // { // OLED_WR_Byte (0xb0+i,OLED_CMD); //设置页地址（0~7）// OLED_WR_Byte (0x00,OLED_CMD); //设置显示位置—列低地址// OLED_WR_Byte (0x10,OLED_CMD); //设置显示位置—列高地址 // for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA); // } //更新显示//}//在指定位置显示一个字符,包括部分字符//x:0~127//y:0~63//mode:0,反白显示;1,正常显示 //size:选择字体 16/12 void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size){ unsigned char c=0,i=0; c=chr-' ';//得到偏移后的值 if(x>Max_Column-1){x=0;y=y+2;} if(Char_Size ==16) { OLED_Set_Pos(x,y); // for(i=0;i<8;i++)// OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);// OLED_Set_Pos(x,y+1);// for(i=0;i<8;i++)// OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);// }// else { OLED_Set_Pos(x,y); for(i=0;i<6;i++) OLED_WR_Byte(F6x8[c][i],OLED_DATA); }}//m^n函数u32 oled_pow(u8 m,u8 n){ u32 result=1; while(n--)result*=m; return result;} //显示2个数字//x,y :起点坐标 //len :数字的位数//size:字体大小//mode:模式 0,填充模式;1,叠加模式//num:数值(0~4294967295); void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2){ u8 t,temp; u8 enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow==0&&t<(len-1)) { if(temp==0) { OLED_ShowChar(x+(size2/2)*t,y,' ',size2); continue; }else enshow=1; } OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2); }} //显示一个字符号串void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size){ unsigned char j=0; while (chr[j]!='\0') { OLED_ShowChar(x,y,chr[j],Char_Size); x+=8; if(x>120){x=0;y+=2;} j++; }}//void OLED_ShowFLoat(u8 x,u8 y,float num,u8 len)//{// int i;// int w,q,b,s,g; //存整数 个十百千万数位上的数// int Int_part,Int_part_len;// int Float_part,Float_part_len;// Int_part=(int)(num);// w=Int_part/10000;// q=Int_part/1000;// b=Int_part/100;// s=Int_part%100/10;// g=Int_part%10;// if(w!=0) //判断整数部分是几位数// {// Int_part_len=5;// OLED_ShowNum(x,y,Int_part,Int_part_len,12);// x=x+30;// OLED_ShowChar(x,y,'.',12);// x=x+6;// }// else if(q!=0)// {// Int_part_len=4;// OLED_ShowNum(x,y,Int_part,Int_part_len,12);// x=x+24;// OLED_ShowChar(x,y,'.',12);// x=x+6;// }// else if(b!=0)// {// Int_part_len=3;// OLED_ShowNum(x,y,Int_part,Int_part_len,12);// x=x+18;// OLED_ShowChar(x,y,'.',12);// x=x+6;// }// else if(s!=0)// {// Int_part_len=2;// OLED_ShowNum(x,y,Int_part,Int_part_len,12);// x=x+12;// OLED_ShowChar(x,y,'.',12);// x=x+6;// }// else // {// Int_part_len=1;// OLED_ShowNum(x,y,Int_part,Int_part_len,12);// x=x+6;// OLED_ShowChar(x,y,'.',12);// x=x+6;// }// Float_part_len=len-Int_part_len;// Float_part=(int)( (num-( (float)(Int_part) ) )*oled_pow(10.0,(float)(Float_part_len)));// if(Float_part!=0)// {// OLED_ShowNum(x,y,Float_part,Float_part_len,12);// }// else// {// for(i=0;i<Float_part_len;i++)// {// OLED_ShowNum(x,y,0,1,12);// x=x+6;// }// }//} ////显示汉字//void OLED_ShowCHinese(u8 x,u8 y,u8 no)//{ // u8 t,adder=0;// OLED_Set_Pos(x,y); // for(t=0;t<16;t++)// {// OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);// adder+=1;// } // OLED_Set_Pos(x,y+1); // for(t=0;t<16;t++)// { // OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);// adder+=1;// } //}///***********功能描述：显示显示BMP图片128×64起始点坐标(x,y),x的范围0～127，y为页的范围0～7*****************///void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[])//{ // unsigned int j=0;// unsigned char x,y;// // if(y1%8==0) y=y1/8; // else y=y1/8+1;// for(y=y0;y<y1;y++)// {// OLED_Set_Pos(x0,y);// for(x=x0;x<x1;x++)// { // OLED_WR_Byte(BMP[j++],OLED_DATA); // }// }//} //初始化SSD1306 void OLED_Init(void){ OLED_WR_Byte(0xAE,OLED_CMD);//--display off OLED_WR_Byte(0x00,OLED_CMD);//---set low column address OLED_WR_Byte(0x10,OLED_CMD);//---set high column address OLED_WR_Byte(0x40,OLED_CMD);//--set start line address OLED_WR_Byte(0xB0,OLED_CMD);//--set page address OLED_WR_Byte(0x81,OLED_CMD); // contract control OLED_WR_Byte(0xFF,OLED_CMD);//--128 OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverse OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64) OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty OLED_WR_Byte(0xC8,OLED_CMD);//Com scan direction OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset OLED_WR_Byte(0x00,OLED_CMD);// OLED_WR_Byte(0xD5,OLED_CMD);//set osc division OLED_WR_Byte(0x80,OLED_CMD);// OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off OLED_WR_Byte(0x05,OLED_CMD);// OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge Period OLED_WR_Byte(0xF1,OLED_CMD);// OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartion OLED_WR_Byte(0x12,OLED_CMD);// OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh OLED_WR_Byte(0x30,OLED_CMD);// OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enable OLED_WR_Byte(0x14,OLED_CMD);// OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel} |
