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#include "oled.h"
#include "stdlib.h"
#include "oledfont.h"
#include "delay.h"
u8 OLED_GRAM[144][8];
//反顯函數(shù)
void OLED_ColorTurn(u8 i)
{
if(i==0)
{
OLED_WR_Byte(0xA6,OLED_CMD);//正常顯示
}
if(i==1)
{
OLED_WR_Byte(0xA7,OLED_CMD);//反色顯示
}
}
//屏幕旋轉(zhuǎn)180度
void OLED_DisplayTurn(u8 i)
{
if(i==0)
{
OLED_WR_Byte(0xC8,OLED_CMD);//正常顯示
OLED_WR_Byte(0xA1,OLED_CMD);
}
if(i==1)
{
OLED_WR_Byte(0xC0,OLED_CMD);//反轉(zhuǎn)顯示
OLED_WR_Byte(0xA0,OLED_CMD);
}
}
void OLED_WR_Byte(u8 dat,u8 cmd)
{
u8 i;
if(cmd)
OLED_DC_Set();
else
OLED_DC_Clr();
OLED_CS_Clr();
for(i=0;i<8;i++)
{
OLED_SCL_Clr();
if(dat&0x80)
OLED_SDA_Set();
else
OLED_SDA_Clr();
OLED_SCL_Set();
dat<<=1;
}
OLED_CS_Set();
OLED_DC_Set();
}
//開啟OLED顯示
void OLED_DisPlay_On(void)
{
OLED_WR_Byte(0x8D,OLED_CMD);//電荷泵使能
OLED_WR_Byte(0x14,OLED_CMD);//開啟電荷泵
OLED_WR_Byte(0xAF,OLED_CMD);//點(diǎn)亮屏幕
}
//關(guān)閉OLED顯示
void OLED_DisPlay_Off(void)
{
OLED_WR_Byte(0x8D,OLED_CMD);//電荷泵使能
OLED_WR_Byte(0x10,OLED_CMD);//關(guān)閉電荷泵
OLED_WR_Byte(0xAE,OLED_CMD);//關(guān)閉屏幕
}
//更新顯存到OLED
void OLED_Refresh(void)
{
u8 i,n;
for(i=0;i<8;i++)
{
OLED_WR_Byte(0xb0+i,OLED_CMD); //設(shè)置行起始地址
OLED_WR_Byte(0x00,OLED_CMD); //設(shè)置低列起始地址
OLED_WR_Byte(0x10,OLED_CMD); //設(shè)置高列起始地址
for(n=0;n<128;n++)
OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA);
}
}
//清屏函數(shù)
void OLED_Clear(void)
{
u8 i,n;
for(i=0;i<8;i++)
{
for(n=0;n<128;n++)
{
OLED_GRAM[n][i]=0;//清除所有數(shù)據(jù)
}
}
OLED_Refresh();//更新顯示
}
//畫點(diǎn)
//x:0~127
//y:0~63
//t:1 填充 0,清空
void OLED_DrawPoint(u8 x,u8 y,u8 t)
{
u8 i,m,n;
i=y/8;
m=y%8;
n=1<<m;
if(t){OLED_GRAM[x][i]|=n;}
else
{
OLED_GRAM[x][i]=~OLED_GRAM[x][i];
OLED_GRAM[x][i]|=n;
OLED_GRAM[x][i]=~OLED_GRAM[x][i];
}
}
//畫線
//x1,y1:起點(diǎn)坐標(biāo)
//x2,y2:結(jié)束坐標(biāo)
void OLED_DrawLine(u8 x1,u8 y1,u8 x2,u8 y2,u8 mode)
{
u16 t;
int xerr=0,yerr=0,delta_x,delta_y,distance;
int incx,incy,uRow,uCol;
delta_x=x2-x1; //計(jì)算坐標(biāo)增量
delta_y=y2-y1;
uRow=x1;//畫線起點(diǎn)坐標(biāo)
uCol=y1;
if(delta_x>0)incx=1; //設(shè)置單步方向
else if (delta_x==0)incx=0;//垂直線
else {incx=-1;delta_x=-delta_x;}
if(delta_y>0)incy=1;
else if (delta_y==0)incy=0;//水平線
else {incy=-1;delta_y=-delta_x;}
if(delta_x>delta_y)distance=delta_x; //選取基本增量坐標(biāo)軸
else distance=delta_y;
for(t=0;t<distance+1;t++)
{
OLED_DrawPoint(uRow,uCol,mode);//畫點(diǎn)
xerr+=delta_x;
yerr+=delta_y;
if(xerr>distance)
{
xerr-=distance;
uRow+=incx;
}
if(yerr>distance)
{
yerr-=distance;
uCol+=incy;
}
}
}
//x,y:圓心坐標(biāo)
//r:圓的半徑
void OLED_DrawCircle(u8 x,u8 y,u8 r)
{
int a, b,num;
a = 0;
b = r;
while(2 * b * b >= r * r)
{
OLED_DrawPoint(x + a, y - b,1);
OLED_DrawPoint(x - a, y - b,1);
OLED_DrawPoint(x - a, y + b,1);
OLED_DrawPoint(x + a, y + b,1);
OLED_DrawPoint(x + b, y + a,1);
OLED_DrawPoint(x + b, y - a,1);
OLED_DrawPoint(x - b, y - a,1);
OLED_DrawPoint(x - b, y + a,1);
a++;
num = (a * a + b * b) - r*r;//計(jì)算畫的點(diǎn)離圓心的距離
if(num > 0)
{
b--;
a--;
}
}
}
//在指定位置顯示一個(gè)字符,包括部分字符
//x:0~127
//y:0~63
//size1:選擇字體 6x8/6x12/8x16/12x24
//mode:0,反色顯示;1,正常顯示
void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size1,u8 mode)
{
u8 i,m,temp,size2,chr1;
u8 x0=x,y0=y;
if(size1==8)size2=6;
else size2=(size1/8+((size1%8)?1:0))*(size1/2); //得到字體一個(gè)字符對應(yīng)點(diǎn)陣集所占的字節(jié)數(shù)
chr1=chr-' '; //計(jì)算偏移后的值
for(i=0;i<size2;i++)
{
if(size1==8)
{temp=asc2_0806[chr1][i];} //調(diào)用0806字體
else if(size1==12)
{temp=asc2_1206[chr1][i];} //調(diào)用1206字體
else if(size1==16)
{temp=asc2_1608[chr1][i];} //調(diào)用1608字體
else if(size1==24)
{temp=asc2_2412[chr1][i];} //調(diào)用2412字體
else return;
for(m=0;m<8;m++)
{
if(temp&0x01)OLED_DrawPoint(x,y,mode);
else OLED_DrawPoint(x,y,!mode);
temp>>=1;
y++;
}
x++;
if((size1!=8)&&((x-x0)==size1/2))
{x=x0;y0=y0+8;}
y=y0;
}
}
//顯示字符串
//x,y:起點(diǎn)坐標(biāo)
//size1:字體大小
//*chr:字符串起始地址
//mode:0,反色顯示;1,正常顯示
void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 size1,u8 mode)
{
while((*chr>=' ')&&(*chr<='~'))//判斷是不是非法字符!
{
OLED_ShowChar(x,y,*chr,size1,mode);
if(size1==8)x+=6;
else x+=size1/2;
chr++;
}
}
//m^n
u32 OLED_Pow(u8 m,u8 n)
{
u32 result=1;
while(n--)
{
result*=m;
}
return result;
}
//顯示數(shù)字
//x,y :起點(diǎn)坐標(biāo)
//num :要顯示的數(shù)字
//len :數(shù)字的位數(shù)
//size:字體大小
//mode:0,反色顯示;1,正常顯示
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size1,u8 mode)
{
u8 t,temp,m=0;
if(size1==8)m=2;
for(t=0;t<len;t++)
{
temp=(num/OLED_Pow(10,len-t-1))%10;
if(temp==0)
{
OLED_ShowChar(x+(size1/2+m)*t,y,'0',size1,mode);
}
else
{
OLED_ShowChar(x+(size1/2+m)*t,y,temp+'0',size1,mode);
}
}
}
//顯示漢字
//x,y:起點(diǎn)坐標(biāo)
//num:漢字對應(yīng)的序號
//mode:0,反色顯示;1,正常顯示
void OLED_ShowChinese(u8 x,u8 y,u8 num,u8 size1,u8 mode)
{
u8 m,temp;
u8 x0=x,y0=y;
u16 i,size3=(size1/8+((size1%8)?1:0))*size1; //得到字體一個(gè)字符對應(yīng)點(diǎn)陣集所占的字節(jié)數(shù)
for(i=0;i<size3;i++)
{
if(size1==16)
{temp=Hzk1[num][i];}//調(diào)用16*16字體
else if(size1==24)
{temp=Hzk2[num][i];}//調(diào)用24*24字體
else if(size1==32)
{temp=Hzk3[num][i];}//調(diào)用32*32字體
else if(size1==64)
{temp=Hzk4[num][i];}//調(diào)用64*64字體
else return;
for(m=0;m<8;m++)
{
if(temp&0x01)OLED_DrawPoint(x,y,mode);
else OLED_DrawPoint(x,y,!mode);
temp>>=1;
y++;
}
x++;
if((x-x0)==size1)
{x=x0;y0=y0+8;}
y=y0;
}
}
//num 顯示漢字的個(gè)數(shù)
//space 每一遍顯示的間隔
//mode:0,反色顯示;1,正常顯示
void OLED_ScrollDisplay(u8 num,u8 space,u8 mode)
{
u8 i,n,t=0,m=0,r;
while(1)
{
if(m==0)
{
OLED_ShowChinese(128,24,t,16,mode); //寫入一個(gè)漢字保存在OLED_GRAM[][]數(shù)組中
t++;
}
if(t==num)
{
for(r=0;r<16*space;r++) //顯示間隔
{
for(i=1;i<144;i++)
{
for(n=0;n<8;n++)
{
OLED_GRAM[i-1][n]=OLED_GRAM[i][n];
}
}
OLED_Refresh();
}
t=0;
}
m++;
if(m==16){m=0;}
for(i=1;i<144;i++) //實(shí)現(xiàn)左移
{
for(n=0;n<8;n++)
{
OLED_GRAM[i-1][n]=OLED_GRAM[i][n];
}
}
OLED_Refresh();
}
}
//x,y：起點(diǎn)坐標(biāo)
//sizex,sizey,圖片長寬
//BMP[]：要寫入的圖片數(shù)組
//mode:0,反色顯示;1,正常顯示
void OLED_ShowPicture(u8 x,u8 y,u8 sizex,u8 sizey,u8 BMP[],u8 mode)
{
u16 j=0;
u8 i,n,temp,m;
u8 x0=x,y0=y;
sizey=sizey/8+((sizey%8)?1:0);
for(n=0;n<sizey;n++)
{
for(i=0;i<sizex;i++)
{
temp=BMP[j];
j++;
for(m=0;m<8;m++)
{
if(temp&0x01)OLED_DrawPoint(x,y,mode);
else OLED_DrawPoint(x,y,!mode);
temp>>=1;
y++;
}
x++;
if((x-x0)==sizex)
{
x=x0;
y0=y0+8;
}
y=y0;
}
}
}
//OLED的初始化
void OLED_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_AFIO, ENABLE); //使能A端口時(shí)鐘
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽輸出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//速度50MHz
GPIO_Init(GPIOA, &GPIO_InitStructure); //初始化GPIOA
GPIO_SetBits(GPIOA,GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_15);
OLED_RES_Clr();
delay_ms(200);
OLED_RES_Set();
OLED_WR_Byte(0xAE,OLED_CMD);//--turn off oled panel
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 Set Mapping RAM Display Start Line (0x00~0x3F)
OLED_WR_Byte(0x81,OLED_CMD);//--set contrast control register
OLED_WR_Byte(0xCF,OLED_CMD);// Set SEG Output Current Brightness
OLED_WR_Byte(0xA1,OLED_CMD);//--Set SEG/Column Mapping 0xa0左右反置 0xa1正常
OLED_WR_Byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction 0xc0上下反置 0xc8正常
OLED_WR_Byte(0xA6,OLED_CMD);//--set normal display
OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)
OLED_WR_Byte(0x3f,OLED_CMD);//--1/64 duty
OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)
OLED_WR_Byte(0x00,OLED_CMD);//-not offset
OLED_WR_Byte(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequency
OLED_WR_Byte(0x80,OLED_CMD);//--set divide ratio, Set Clock as 100 Frames/Sec
OLED_WR_Byte(0xD9,OLED_CMD);//--set pre-charge period
OLED_WR_Byte(0xF1,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration
OLED_WR_Byte(0x12,OLED_CMD);
OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh
OLED_WR_Byte(0x40,OLED_CMD);//Set VCOM Deselect Level
OLED_WR_Byte(0x20,OLED_CMD);//-Set Page Addressing Mode (0x00/0x01/0x02)
OLED_WR_Byte(0x02,OLED_CMD);//
OLED_WR_Byte(0x8D,OLED_CMD);//--set Charge Pump enable/disable
OLED_WR_Byte(0x14,OLED_CMD);//--set(0x10) disable
OLED_WR_Byte(0xA4,OLED_CMD);// Disable Entire Display On (0xa4/0xa5)
OLED_WR_Byte(0xA6,OLED_CMD);// Disable Inverse Display On (0xa6/a7)
OLED_Clear();
OLED_WR_Byte(0xAF,OLED_CMD);
}

復(fù)制代碼

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