#include "config.h" #include "oledfont.h" u8 OLED_GRAM[144][8]; //反显函数 void OLED_ColorTurn(u8 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(u8 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); } } /**************************************************** 函数名：OLED_SPI2_SendByte 功能 ：FM存储部分用到的SPI发送函数 参数 ：dt 要发送的数据 返回值：无 ****************************************************/ u8 OLED_SPI2_SendByte(u8 dt) { while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_TXE) == RESET); SPI_I2S_SendData(SPI2, dt); while(SPI_I2S_GetFlagStatus(SPI2, SPI_I2S_FLAG_RXNE) == RESET); return SPI_I2S_ReceiveData(SPI2); } void OLED_WR_Byte(u8 dat,u8 cmd) { if(cmd) OLED_DC_Set(); else OLED_DC_Clr(); OLED_CS_Clr(); OLED_SPI2_SendByte(dat); 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(0xAE,OLED_CMD);//关闭屏幕 } //更新显存到OLED 1.8ms void OLED_Refresh(void) { u8 i=0,n=0; 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(i=0;i<8;i++) { for(n=0;n<128;n++) OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA); } } //清屏函数 void OLED_Clear(void) { u8 i,n; for(i=0;i<8;i++) { for(n=0;n<128;n++) { OLED_GRAM[n][i]=0;//清除所有数据 } } //OLED_Refresh();//更新显示 } //画点 //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<0)incx=1; //设置单步方向 else if (delta_x==0)incx=0;//垂直线 else {incx=-1;delta_x=-delta_x;} if(delta_y>0)incy=1; else if (delta_y==0)incy=0;//水平线 else {incy=-1;delta_y=-delta_x;} if(delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴 else distance=delta_y; for(t=0;tdistance) { xerr-=distance; uRow+=incx; } if(yerr>distance) { yerr-=distance; uCol+=incy; } } } //x,y:圆心坐标 //r:圆的半径 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;//计算画的点离圆心的距离 if(num > 0) { b--; a--; } } } void OLED_DrawArc(int rx,int ry,int r, int j) { float x, y,i = 0; float angleInRadians = j * (3.1415926 / 180.0); // 将角度转换为弧度 float startAngle = -angleInRadians / 2.0; // 计算起始角度（弧度） float endAngle = angleInRadians / 2.0; // 计算结束角度（弧度） float increment = (endAngle - startAngle) / 20.0; for (i = startAngle; i <= angleInRadians; i += increment) { x = rx + (r * sin(i)); y = ry - (r * cos(i)); // 注意Y轴的方向可能需要根据你的显示设备调整 OLED_DrawPoint(x, y, 1); // 绘制点，假设WHITE是你要使用的颜色 } } //在指定位置显示一个字符,包括部分字符 //x:0~127 //y:0~63 //size1:选择字体 6x8/6x12/8x16/12x24 //mode:0,反色显示;1,正常显示 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>=1; y++; } x++; if((size1!=8)&&((x-x0)==size1/2)) {x=x0;y0=y0+8;} y=y0; } } //显示字符串 //x,y:起点坐标 //size1:字体大小 //*chr:字符串起始地址 //mode:0,反色显示;1,正常显示 void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Maxlen,u8 size1,u8 mode) { while(Maxlen && (*chr>=' ') && (*chr<='~'))//判断是不是非法字符! { OLED_ShowChar(x,y,*chr,size1,mode); if(size1==8)x+=6; else x+=size1/2; chr++; Maxlen --; } } //显示进度条 //x,y:起点坐标 //sizex:长 //sizex:宽 //Num进度 //mode:0,反色显示;1,正常显示 void OLED_ProgressBar(u8 x,u8 y,u8 sizex,u8 sizey,u8 num,u8 mode) { u8 Setp = sizex * num / 100; u8 i = 0; OLED_DrawLine(x,y,x+sizex,y,1); OLED_DrawLine(x,y+sizey,x+sizex,y+sizey,1); OLED_DrawLine(x,y,x,y+sizey,1); OLED_DrawLine(x+sizex,y,x+sizex,y+sizey,1); for(i = 0;i < sizey;i ++) { OLED_DrawLine(x,y+i,x+Setp,y+i,1); } } //m^n u32 OLED_Pow(u8 m,u8 n) { u32 result=1; while(n--) { result*=m; } return result; } //显示数字 //x,y :起点坐标 //num :要显示的数字 //len :数字的位数,0表示自适应 //size:字体大小 //mode:0,反色显示;1,正常显示 //u8 OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size1,u8 mode) //{ // u8 t,temp,m=0; // if(len == 0) // len = (int)(log10(num) + 1); // if(size1==8)m=2; // for(t=0;t 0) { OLED_ShowChar(x, y, '0', size1, mode); x += (size1 / 2 + m); } for(t = 0; t < len+d; t++) { if(t == len - Dec) { // 判断是否到了小数点位置 OLED_ShowChar(x + (size1 / 2 + m) * t, y, '.', size1, mode); // 显示小数点 d = 1; continue; } // if(t >= len - Dec) // d = 1; // else // d = 0; temp = (num / OLED_Pow(10, len+d - t - 1)) % 10; if(temp == 0) { OLED_ShowChar(d + x + (size1 / 2 + m) * t, y, '0', size1, mode); } else { OLED_ShowChar(d + x + (size1 / 2 + m) * t, y, temp + '0', size1, mode); } } return len; } //x,y：起点坐标 //sizex,sizey,图片长宽 //BMP[]：要写入的图片数组 //mode:0,反色显示;1,正常显示 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>=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_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOB,ENABLE);//使能PORTA~E,PORTG时钟 //GPIO初始化设置 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11|GPIO_Pin_12; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//普通输出模式 GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100MHz GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOD, &GPIO_InitStructure);//初始化 //GPIO初始化设置 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//普通输出模式 GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100MHz GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉 GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化 delay_ms(200); OLED_RES_Clr(); delay_ms(200); OLED_RES_Set(); delay_ms(200); OLED_WR_Byte(0xFD,OLED_CMD); OLED_WR_Byte(0x12,OLED_CMD); OLED_WR_Byte(0xAE,OLED_CMD);//--turn off oled panel OLED_WR_Byte(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequency OLED_WR_Byte(0xA0,OLED_CMD); 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(0x40,OLED_CMD);//--set start line address Set Mapping RAM Display Start Line (0x00~0x3F) if(TXHData.HardwareVersion > 31)//24-31是大板，32-38是小板 { 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 } else { OLED_WR_Byte(0xA0,OLED_CMD);//--Set SEG/Column Mapping 0xa0左右反置 0xa1正常 OLED_WR_Byte(0xC0,OLED_CMD);//Set COM/Row Scan Direction 0xc0上下反置 0xc8正常 } OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration OLED_WR_Byte(0x12,OLED_CMD); OLED_WR_Byte(0x81,OLED_CMD);//--set contrast control register OLED_WR_Byte(0x7F,OLED_CMD);// Set SEG Output Current Brightness OLED_WR_Byte(0xD9,OLED_CMD);//--set pre-charge period OLED_WR_Byte(0x82,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh OLED_WR_Byte(0x34,OLED_CMD);//Set VCOM Deselect Level 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_WR_Byte(0x20,OLED_CMD); OLED_WR_Byte(0x00,OLED_CMD); OLED_Clear(); OLED_WR_Byte(0xAF,OLED_CMD); //OLED_ShowPicture(0,0,128,64,BMP1,1); OLED_Refresh(); }