/********************************************************/
/* 2019/11/05
* 连卡佛哈利
* STM32 7针 0.96 OLED HAL库显示驱动
*********************************************************
* 引脚定义:
* OLED_CS OLED_RES OLED_DC OUTPUT Output push pull
*********************************************************
* SPI定义:
* Mode:Transmit only Master
* Hardware Nss Signal:Disable
* Data Size : 8Bits
* First Bit : MSB First
* CPOL : Low
* CPHA : 1 Edge
*********************************************************
* 接线:
* GND ---> GND
* VCC ---> 3.3V
* DO ---> SPI_SCK
* D1 ---> SPI_MOSI
* RES ---> OLED_RES
* DC ---> OLED_DC
* CS ---> OLED_CS
*
*/
/********************************************************/
#include "oled.h"
#include "stdlib.h"
#include "oledfont.h"
#include "main.h"
#include "spi.h"
uint8_t OLED_GRAM[144][8];
//反显函数
void OLED_ColorTurn(uint8_t i)
{
if(i==0)
{
OLED_WR_Byte(0xA6,OLED_CMD);//正常显示
}
if(i==1)
{
OLED_WR_Byte(0xA7,OLED_CMD);//反色显示
}
}
//屏幕旋转180度
void OLED_DisplayTurn(uint8_t i)
{
if(i==0)
{
OLED_WR_Byte(0xC8,OLED_CMD);//正常显示
OLED_WR_Byte(0xA1,OLED_CMD);
}
if(i==1)
{
OLED_WR_Byte(0xC0,OLED_CMD);//反转显示
OLED_WR_Byte(0xA0,OLED_CMD);
}
}
void OLED_WR_Byte(uint8_t dat,uint8_t cmd)
{
uint8_t * data = &dat;
if(cmd)
OLED_DC_Set();
else
OLED_DC_Clr();
OLED_CS_Clr();
HAL_SPI_Transmit(WHICH_SPI,(uint8_t *)data,1,200); //需根据实际情况修改
OLED_CS_Set();
OLED_DC_Set();
}
//开启OLED显示
void OLED_DisPlay_On(void)
{
OLED_WR_Byte(0x8D,OLED_CMD);//电荷泵使能
OLED_WR_Byte(0x14,OLED_CMD);//开启电荷泵
OLED_WR_Byte(0xAF,OLED_CMD);//点亮屏幕
}
//关闭OLED显示
void OLED_DisPlay_Off(void)
{
OLED_WR_Byte(0x8D,OLED_CMD);//电荷泵使能
OLED_WR_Byte(0x10,OLED_CMD);//关闭电荷泵
OLED_WR_Byte(0xAF,OLED_CMD);//关闭屏幕
}
//更新显存到OLED
void OLED_Refresh(void)
{
uint8_t i,n;
for(i=0;i<8;i++)
{
OLED_WR_Byte(0xb0+i,OLED_CMD); //设置行起始地址
OLED_WR_Byte(0x00,OLED_CMD); //设置低列起始地址
OLED_WR_Byte(0x10,OLED_CMD); //设置高列起始地址
for(n=0;n<128;n++)
OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA);
}
}
//清屏函数
void OLED_Clear(void)
{
uint8_t i,n;
for(i=0;i<8;i++)
{
for(n=0;n<128;n++)
{
OLED_GRAM[n][i]=0;//清除所有数据
}
}
OLED_Refresh();//更新显示
}
//画点
//x:0~127
//y:0~63
void OLED_DrawPoint(uint8_t x,uint8_t y)
{
uint8_t i,m,n;
i=y/8;
m=y%8;
n=1<<m;
OLED_GRAM[x][i]|=n;
}
//清除一个点
//x:0~127
//y:0~63
void OLED_ClearPoint(uint8_t x,uint8_t y)
{
uint8_t i,m,n;
i=y/8;
m=y%8;
n=1<<m;
OLED_GRAM[x][i]=~OLED_GRAM[x][i];
OLED_GRAM[x][i]|=n;
OLED_GRAM[x][i]=~OLED_GRAM[x][i];
}
//画线
//x:0~128
//y:0~64
void OLED_DrawLine(uint8_t x1,uint8_t y1,uint8_t x2,uint8_t y2)
{
uint8_t i,k,k1,k2;
if((x2>128)||(y2>64)||(x1>x2)||(y1>y2))return;
if(x1==x2) //画竖线
{
for(i=0;i<(y2-y1);i++)
{
OLED_DrawPoint(x1,y1+i);
}
}
else if(y1==y2) //画横线
{
for(i=0;i<(x2-x1);i++)
{
OLED_DrawPoint(x1+i,y1);
}
}
else //画斜线
{
k1=y2-y1;
k2=x2-x1;
k=k1*10/k2;
for(i=0;i<(x2-x1);i++)
{
OLED_DrawPoint(x1+i,y1+i*k/10);
}
}
}
//画方形;x:0~127 y:0~63
//x1,y1,左上角坐标;x2,y2,右下角坐标
void OLED_DrawSquare(uint8_t x1,uint8_t y1,uint8_t x2,uint8_t y2)
{
OLED_DrawLine(x1,y1,x2,y1);
OLED_DrawLine(x1,y2,x2,y2);
OLED_DrawLine(x1,y1,x1,y2);
OLED_DrawLine(x2,y1,x2,y2);
}
//x,y:圆心坐标
//r:圆的半径
void OLED_DrawCircle(uint8_t x,uint8_t y,uint8_t r)
{
int a, b,num;
a = 0;
b = r;
while(2 * b * b >= r * r)
{
OLED_DrawPoint(x + a, y - b);
OLED_DrawPoint(x - a, y - b);
OLED_DrawPoint(x - a, y + b);
OLED_DrawPoint(x + a, y + b);
OLED_DrawPoint(x + b, y + a);
OLED_DrawPoint(x + b, y - a);
OLED_DrawPoint(x - b, y - a);
OLED_DrawPoint(x - b, y + a);
a++;
num = (a * a + b * b) - r*r;//计算画的点离圆心的距离
if(num > 0)
{
b--;
a--;
}
}
}
//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
//取模方式 逐列式
void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t size1)
{
uint8_t i,m,temp,size2,chr1;
uint8_t 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12 06字体
else if(size1==16)
{temp=asc2_1608[chr1][i];} //调用16 08字体
else if(size1==24)
{temp=asc2_2412[chr1][i];} //调用24 12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);
temp<<=1;
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(uint8_t x,uint8_t y,uint8_t *chr,uint8_t 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=2;//x=0
y+=size1;
}
chr++;
}
}
//m^n
uint32_t OLED_Pow(uint8_t m,uint8_t n)
{
uint32_t 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(uint8_t x,uint8_t y,uint32_t num,uint8_t len,uint8_t size1)
{
uint8_t 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
//取模方式 列行式
void OLED_ShowChinese(uint8_t x,uint8_t y,uint8_t num,uint8_t size1)
{
uint8_t i,m,n=0,temp,chr1;
uint8_t x0=x,y0=y;
uint8_t 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(uint8_t num,uint8_t space)
{
uint8_t 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<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=0;i<144;i++) //实现左移
{
for(n=0;n<8;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(uint8_t x,uint8_t y)
{
OLED_WR_Byte
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