//在指定位置显示一个字符,包括部分字符
//x:0~127
//y:0~63
//size:选择字体 12/16/24
void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size1)
{
u8 i,m,temp,size2,chr1;
u8 y0=y;
size2=(size1/8+((size1%8)?1:0))*(size1/2); //得到字体一个字符对应点阵集所占的字节数
chr1=chr-' '; //计算偏移后的值
for(i=0;i<size2;i++)
{
if(size1==12)
{temp=asc2_1206[chr1][i];} //调用1206字体
else if(size1==16)
{temp=asc2_1608[chr1][i];} //调用1608字体
else if(size1==24)
{temp=asc2_2412[chr1][i];} //调用2412字体
else return;
for(m=0;m<8;m++) //写入数据
{
if(temp&0x80)OLED_DrawPoint(x,y);
else OLED_ClearPoint(x,y);
y++;
if((y-y0)==size1)
{
y=y0;
x++;
break;
}
}
}
}
//显示字符串
//x,y:起点坐标
//size1:字体大小
//*chr:字符串起始地址
void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 size1)
{
while((*chr>=' ')&&(*chr<='~'))//判断是不是非法字符!
{
OLED_ShowChar(x,y,*chr,size1);
x+=size1/2;
if(x>128-size1) //换行
{
x=0;
y+=2;
}
chr++;
}
}
//m^n
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
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size1)
{
u8 t,temp;
for(t=0;t<len;t++)
{
temp=(num/OLED_Pow(10,len-t-1))%10;
if(temp==0)
{
OLED_ShowChar(x+(size1/2)*t,y,'0',size1);
}
else
{
OLED_ShowChar(x+(size1/2)*t,y,temp+'0',size1);
}
}
}
//显示汉字
//x,y:起点坐标
//num:汉字对应的序号
void OLED_ShowChinese(u8 x,u8 y,u8 num,u8 size1)
{
u8 i,m,n=0,temp,chr1;
u8 x0=x,y0=y;
u8 size3=size1/8;
while(size3--)
{
chr1=num*size1/8+n;
n++;
for(i=0;i<size1;i++)
{
if(size1==16)
{temp=Hzk1[chr1][i];}//调用16*16字体
else if(size1==24)
{temp=Hzk2[chr1][i];}//调用24*24字体
else if(size1==32)
{temp=Hzk3[chr1][i];}//调用32*32字体
else if(size1==64)
{temp=Hzk4[chr1][i];}//调用64*64字体
else return;
for(m=0;m<8;m++)
{
if(temp&0x01)OLED_DrawPoint(x,y);
else OLED_ClearPoint(x,y);
temp>>=1;
y++;
}
x++;
if((x-x0)==size1)
{x=x0;y0=y0+8;}
y=y0;
}
}
}
//num 显示汉字的个数
//space 每一遍显示的间隔
void OLED_ScrollDisplay(u8 num,u8 space)
{
u8 i,n,t=0,m=0,r;
while(1)
{
if(m==0)
{
OLED_ShowChinese(128,24,t,16); //写入一个汉字保存在OLED_GRAM[][]数组中
t++;
}
if(t==num)
{
for(r=0;r<16*space;r++) //显示间隔
{
for(i=0;i<122;i++)
{
for(n=0;n<4;n++)
{
OLED_GRAM[i-1][n]=OLED_GRAM[i][n];
}
}
OLED_Refresh();
}
t=0;
}
m++;
if(m==16){m=0;}
for(i=0;i<122;i++) //实现左移
{
for(n=0;n<4;n++)
{
OLED_GRAM[i-1][n]=OLED_GRAM[i][n];
}
}
OLED_Refresh();
}
}
//配置写入数据的起始位置
void OLED_WR_BP(u8 x,u8 y)
{
OLED_WR_Byte(0xb0+y,OLED_CMD);//设置行起始地址
OLED_WR_Byte(((x&0xf0)>>6)|0x00,OLED_CMD);
OLED_WR_Byte((x&0x08)|0x01,OLED_CMD);
}
//x0,y0:起点坐标
//x1,y1:终点坐标
//BMP[]:要写入的图片数组
void OLED_ShowPicture(u8 x0,u8 y0,u8 x1,u8 y1,u8 BMP[])
{
u32 j=0;
u8 x=0,y=0;
if(y%12==0)y=0;
else y+=1;
for(y=y0;y<y1;y++)
{
OLED_WR_BP(x0,y);
for(x=x0;x<x1;x++)
{
OLED_WR_Byte(BMP[j],OLED_DATA);
j++;
}
}
}
//OLED的初始化
void OLED_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); //使能A端口时钟
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//速度50MHz
GPIO_Init(GPIOA, &GPIO_InitStructure); //初始化GPIOD3,6
GPIO_SetBits(GPIOA,GPIO_Pin_5|GPIO_Pin_7);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); //使能A端口时钟
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_8;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//速度50MHz
GPIO_Init(GPIOB, &GPIO_InitStructure); //初始化GPIOD3,6
GPIO_SetBits(GPIOB,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_8);
OLED_RST_Set();
delay_ms(100);
OLED_RST_Clr();//复位
delay_ms(200);
OLED_RST_Set();
OLED_WR_Byte(0xAF,OLED_CMD);//--turn off oled panel
OLED_WR_Byte(0x40,OLED_CMD);//---set low column address
OLED_WR_Byte(0xAF,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(0x3f,OLED_CMD);// Set SEG Output Current Brightness
OLED_WR_Byte(0xAF,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(0x3f,OLED_CMD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)
OLED_WR_Byte(0xAF,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(0x3f,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(0xd5,OLED_CMD);
OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh
OLED_WR_Byte(0xAF,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(0x3f,OLED_CMD);//--set Charge Pump enable/disable
OLED_WR_Byte(0x14,OLED_CMD);//--set(0x10) disable
OLED_WR_Byte(0xd5,OLED_CMD);// Disable Entire Display On (0xa4/0xa5)
OLED_WR_Byte(0xA6,OLED_CMD);// Disable Inverse Display On (0xa6/a7)
OLED_WR_Byte(0xAF,OLED_CMD);
OLED_Clear();
} |