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- #include "oled.h"
- #include "oledfont.h"
- //#include "delay.h"
- #include <stdarg.h> // 标准头文件
- #include "stdio.h"
- void OLED_WR_Byte(unsigned dat,unsigned cmd);
- void OLED_Display_On(void);
- void OLED_Display_Off(void);
- void OLED_Init(void);//初始化SSD1306
- void OLED_Clear(void);//清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!!
- void OLED_DrawPoint(u8 x,u8 y,u8 t);
- void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot);
- void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size);//在指定位置显示一个字符,包括部分字符
- void OLED_ShowString(char x,char y,char *chr,char Char_Size);
- void OLED_Set_Pos(unsigned char x, unsigned char y);
- void OLED_ShowCHinese(u8 x,u8 y,u8 no);//显示汉字
- void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[]);
- void Delay_50ms(unsigned int Del_50ms);
- void Delay_1ms(unsigned int Del_1ms);
- void fill_picture(unsigned char fill_Data);
- void Picture();
- void oledIIC_Start(void);
- void IIC_Stop(void);
- void Write_IIC_Command(unsigned char IIC_Command);
- void Write_IIC_Data(unsigned char IIC_Data);
- void Write_IIC_Byte(unsigned char IIC_Byte);
- void oled_printf(char x,char y,char *p,...);
- void IIC_Wait_Ack(void);
- void OLED_On(void);
- u32 oled_pow(u8 m,u8 n);
- //OLED的显存
- //存放格式如下.
- //[0]0 1 2 3 ... 127
- //[1]0 1 2 3 ... 127
- //[2]0 1 2 3 ... 127
- //[3]0 1 2 3 ... 127
- //[4]0 1 2 3 ... 127
- //[5]0 1 2 3 ... 127
- //[6]0 1 2 3 ... 127
- //[7]0 1 2 3 ... 127
- /**********************************************
- //IIC Start
- **********************************************/
- /**********************************************
- //IIC Start
- **********************************************/
- void oledIIC_Start(void)
- {
- OLED_SCLK_Set() ;
- OLED_SDIN_Set();
- OLED_SDIN_Clr();
- OLED_SCLK_Clr();
- }
- /**********************************************
- //IIC Stop
- **********************************************/
- void IIC_Stop(void)
- {
- OLED_SCLK_Set() ;
- // OLED_SCLK_Clr();
- OLED_SDIN_Clr();
- OLED_SDIN_Set();
-
- }
- void IIC_Wait_Ack(void)
- {
- OLED_SCLK_Set() ;
- OLED_SCLK_Clr();
- }
- /**********************************************
- // IIC Write byte
- **********************************************/
- 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)
- {
- oledIIC_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)
- {
- oledIIC_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);
- }
- }
- }
- //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
- //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
- x 取0 2 4 6 分为4行 y 每一个数字字母占9
- 汉字占18 Size字体的大小 可取12或者16
- */
- void OLED_ShowString(char x,char y,char *chr,char 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++;
- }
- }
- //显示汉字
- /*
- x 取0 2 4 6 分为4行 y 每一个数字字母占9
- 汉字占18 Size字体的大小 可取12或者16
- no为Hzk[]数组中的哪一个元素
- */
- //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;
- // }
- //}
- //初始化SSD1306
- void OLED_Init(void)
- {
- OLED_SCLK_PIN_OUT();//设置为输出
- OLED_SDIN_PIN_OUT();
- 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
- }
- /********************************************************************************
- * @函数名: OLED_ShowCHineseWord
- * @函数描述: 在指定位置显示占宽16*16的单个 汉字
- * @函数作者: 小浩电子科技
- * @输入参数:
- 参数名 参数类型 参数描述
- @x: u8 列坐标,0~127
- @y: u8 行坐标,0~7
- @str: u8* 要显示的汉字
- @flag: u8 反白标志,非0时反白显示
- * @返回值: void
- * @其他:
- ********************************************************************************/
- void OLED_ShowCHineseWord(u8 x,u8 y,u8* str)
- {
- u8 t=0;
- u16 index;
- for(index=0; index<sizeof(Hzk)/35; index++)
- {
- if(Hzk[index].name[0] == str[0]&&Hzk[index].name[1] == str[1])//对比汉字区码位码
- {
- OLED_Set_Pos(x,y); //设置OLED光标位置
- for(t=0; t<16; t++)//先写汉字上半部分数据
- {
- OLED_WR_Byte(Hzk[index].dat[t],OLED_DATA);
-
- }
- OLED_Set_Pos(x,y+1);//设置OLED光标位置
- for(t=0; t<16; t++)//再写汉字下半部分数据
- {
- OLED_WR_Byte(Hzk[index].dat[t+16],OLED_DATA);
-
- }
- }
- }
- }
- /********************************************************************************
- * @函数名: OLED_ShowText
- * @函数描述: 在指定位置显示中英文字符串
- * @函数作者: 小浩电子科技
- * @输入参数:
- 参数名 参数类型 参数描述
- @x: u8 列坐标,0~127
- @y: u8 行坐标,0~7
- @str: u8* 要显示的字符串
- @flag: u8 反白标志,非0时反白显示
- * @返回值: void
- * @其他:
- ********************************************************************************/
- void OLED_ShowText(u8 x,u8 y,u8* str,u8 size)
- {
- u8 tempstr[3] = {'\0'};
- while(*str!='\0')
- {
- if(*str&0x80)
- {
- tempstr[0]=*str++;
- tempstr[1]=*str++;
- OLED_ShowCHineseWord(x,y,tempstr);
- x+=16;
- if(*str&0x80)//判断下一个字符是中文还是英文
- {
- if(x>=112){y++;y++;x=0;}//修改地址
- }
- else
- {
- if(x>=120){y++;y++;x=0;}//修改地址
- }
- }
- else
- {
- OLED_ShowChar(x,y,*str++,size);
- x+=8;
- if(*str&0x80)
- {
- if(x>=112){y++;y++;x=0;}//修改地址
- }
- else
- {
- if(x>=120){y++;y++;x=0;}//修改地址
- }
- }
- }
- }
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