资料下载地址：基于stm32的DHT11、光照强度、烟雾浓度、振动频率的proteus仿真
功能介绍1、显示采集的DHT11温湿度
2、显示烟雾浓度，振动频率、光照 强度。烟雾浓度、振动频率和光照强度通过滑动变阻器模拟。
3、按键设置温湿度，振动频率，烟雾浓度、光照强度量程上下限。
4、超限报警
5、串口打印数据信息
6、OLED液晶屏上显示数据
刚上电显示温湿度、烟雾浓度、振动频率、光照强度数据，并且通过串口实时打印数据。
按下SET键进入温湿度、烟雾浓度、振动频率、光照强度上下限设置界面，通过Add键和Minus键设置相应参数。
仿真图部分代码
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_SCLK_Clr();
if(dat&0x80)
OLED_SDIN_Set();
else
OLED_SDIN_Clr();
OLED_SCLK_Set();
dat<<=1;
}
OLED_CS_Set();
OLED_DC_Set();
}
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)|0x01,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
}
//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)
{
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(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+1);
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;
}
//x,y :起点坐标
//len :数字的位数
//size:字体大小
//mode:模式 0,填充模式;1,叠加模式
//num:数值(0~4294967295);
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size)
{
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+(size/2)*t,y,' ');
continue;
}else enshow=1;
}
OLED_ShowChar(x+(size/2)*t,y,temp+'0');
}
}
//显示一个字符号串
void OLED_ShowString(u8 x,u8 y,u8 *chr)
{
unsigned char j=0;
while (chr[j]!=')'OLED_ShowChar
{
(,x,y[chr]j);+=
x8;if
(120x>)={x0;+=y2;}++
j;}
}
//显示汉字
void
OLED_ShowCHinese (,u8 x,u8 y)u8 no,
{
u8 t=adder0;OLED_Set_Pos
(,x)y;for
(=t0;<t16;++t)OLED_WR_Byte
{
([Hzk2*]no[]t,OLED_DATA);+=
adder1;}
OLED_Set_Pos
(,x+y1);for
(=t0;<t16;++t)OLED_WR_Byte
{
([Hzk2*+no1][]t,OLED_DATA);+=
adder1;}
}
void
OLED_Init (void);
{
int ticks;
GPIO_InitTypeDef GPIO_InitStructure__HAL_RCC_GPIOB_CLK_ENABLE
();.
GPIO_InitStructure=Pin GPIO_PIN_2 |GPIO_PIN_7|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_8|GPIO_PIN_13;//PD3,PD6推挽输出 .
GPIO_InitStructure=Mode GPIO_MODE_OUTPUT_PP ;//推挽输出 .
GPIO_InitStructure=Speed GPIO_SPEED_FREQ_HIGH ;//速度50MHzHAL_GPIO_Init
(GPIOB,& )GPIO_InitStructure;HAL_GPIO_WritePin
(GPIOB,GPIO_PIN_2|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_8|GPIO_PIN_13,GPIO_PIN_SET);//PD3,PD6 输出高 HAL_GPIO_WritePin
(GPIOB,GPIO_PIN_7,GPIO_PIN_RESET);.
GPIO_InitStructure=Pin GPIO_PIN_5 ;.
GPIO_InitStructure=Mode GPIO_MODE_INPUT ;HAL_GPIO_Init
(GPIOB,& )GPIO_InitStructure;OLED_RST_Set
();delay_ms
(1);OLED_RST_Clr
();delay_ms
(1);OLED_RST_Set
();OLED_WR_Byte
(0xAE,OLED_CMD);//--turn off oled panelOLED_WR_Byte
(0x00,OLED_CMD);//---set low column addressOLED_WR_Byte
(0x10,OLED_CMD);//---set high column addressOLED_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 registerOLED_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 displayOLED_WR_Byte
(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)OLED_WR_Byte
(0x3f,OLED_CMD);//--1/64 dutyOLED_WR_Byte
(0xD3,OLED_CMD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)OLED_WR_Byte
(0x00,OLED_CMD);//-not offsetOLED_WR_Byte
(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequencyOLED_WR_Byte
(0x80,OLED_CMD);//--set divide ratio, Set Clock as 100 Frames/SecOLED_WR_Byte
(0xD9,OLED_CMD);//--set pre-charge periodOLED_WR_Byte
(0xF1,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 ClockOLED_WR_Byte
(0xDA,OLED_CMD);//--set com pins hardware configurationOLED_WR_Byte
(0x12,OLED_CMD);OLED_WR_Byte
(0xDB,OLED_CMD);//--set vcomhOLED_WR_Byte
(0x40,OLED_CMD);//Set VCOM Deselect LevelOLED_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/disableOLED_WR_Byte
(0x14,OLED_CMD);//--set(0x10) disableOLED_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
(0xAF,OLED_CMD);//--turn on oled panelOLED_WR_Byte
(0xAF,OLED_CMD);/*display ON*/ OLED_Clear
();OLED_Set_Pos
(0,0);}
void
delay_ms (uint16_t times)for
{
(=int i 0 ; < i ; times ++ i )for
{
(=int m 50000 ;0m > ; -- m );}
}
void
DisPlay_Init (void)OLED_ShowCHinese
{
(0,0,3);//温 OLED_ShowCHinese
(15,0,4);//度 OLED_ShowString
(30,0,":");//:OLED_ShowCHinese
(65,0,7);//湿 OLED_ShowCHinese
(80,0,8);//度 OLED_ShowString
(95,0,":");//:OLED_ShowCHinese
(25,2,1);//烟 OLED_ShowCHinese
(40,2,2);//雾 OLED_ShowString
(55,2,":");//:OLED_ShowCHinese
(25,4,5);//振 OLED_ShowCHinese
(40,4,6);//动 OLED_ShowString
(55,4,":");//:OLED_ShowCHinese
(25,6,9);//光 OLED_ShowCHinese
(40,6,10);//照 OLED_ShowString
(55,6,":");//:}
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