#include <Arduino.h>
#include <SensirionUartSfa3x.h>#define SENSOR_SERIAL_INTERFACE Serial SensirionUartSfa3x sfa3x;#include <Adafruit_NeoPixel.h>#ifdef __AVR__ #include <avr/power.h>#endif#define PIN 11Adafruit_NeoPixel strip = Adafruit_NeoPixel(60, PIN, NEO_GRB + NEO_KHZ800);#include "font.h"int16_t hcho;int16_t relativeHumidity;int16_t temperature;int SFA30_date=0;uint16_t error;int scl=A5;//定义OLEDSCL为A1引脚int sda=A4;//定义OLEDSCL为A0引脚int res=10;//定义OLE DRES为10引脚(IIC通信可不用设置)#define OLED_SCLK_Clr() digitalWrite(scl,LOW)//SCL#define OLED_SCLK_Set() digitalWrite(scl,HIGH)#define OLED_SDIN_Clr() digitalWrite(sda,LOW)//SDA#define OLED_SDIN_Set() digitalWrite(sda,HIGH)#define OLED_RST_Clr() digitalWrite(res,LOW)//RES 注：此引脚是为了配合SPI驱动模块改成I2C驱动模块使用的（改装的话必须接），如果买的是I2C模块，请忽略此引脚。#define OLED_RST_Set() digitalWrite(res,HIGH)#define OLED_CMD 0 //写命令#define OLED_DATA 1 //写数据uint8_t OLED_GRAM[128][8];//将要显示的缓存内容void setup(){ pinMode(2, OUTPUT);pinMode(3, OUTPUT);//SFA30传感器供电引脚使能 digitalWrite(3, HIGH);digitalWrite(2, LOW);//SFA30传感器供电输出 pinMode(A3, OUTPUT);pinMode(A2, OUTPUT); //OLED供电引脚使能 digitalWrite(A3,LOW); digitalWrite(A2,HIGH);//OLED供电输出 OLED_Init();//OLED初始化 OLED_ColorTurn(0);//0正常显示 1反色显示 OLED_DisplayTurn(0);//0正常显示 1翻转180度显示 SENSOR_SERIAL_INTERFACE.begin(115200); while (!SENSOR_SERIAL_INTERFACE) {delay(100);} sfa3x.begin(SENSOR_SERIAL_INTERFACE); sfa3x.deviceReset();//SFA30传感器复位 sfa3x.startContinuousMeasurement();//SFA30传感器开始测试//WS2812驱动 #if defined (__AVR_ATtiny85__) if (F_CPU == 16000000) clock_prescale_set(clock_div_1); #endif // End of trinket special code strip.begin(); strip.setBrightness(50); strip.show(); // Initialize all pixels to 'off'//WS2812驱动 }void loop(){ while(1) { sfa3x.readMeasuredValuesOutputFormat2(hcho, relativeHumidity,temperature);//获取SFA30传感器数据 //OLED_Clear(); OLED_ShowString(0,0,"T:",16);OLED_ShowNum(40,0,temperature/200,2,16); OLED_ShowString(56,0,".",16);OLED_ShowNum(64,0,temperature%200,2,16);OLED_DrawCircle(82,4,1);OLED_ShowString(86,0,"C",16); OLED_ShowString(0,16,"H:",16);OLED_ShowNum(40,16,relativeHumidity/100,2,16); OLED_ShowString(56,16,".",16);OLED_ShowNum(64,16,relativeHumidity%100,2,16); OLED_ShowString(82,16,"%",16); OLED_ShowString(0,32,"HCHO:",16);OLED_ShowNum(40,32,hcho/5,3,16);OLED_ShowString(66,32,"ppb",16); OLED_ShowString(0,48,"date:",16);OLED_ShowNum(40,48,SFA30_date,3,16); OLED_Refresh(); delay(50);SFA30_date++; if(hcho<307) {colorWipe(strip.Color(0, 255, 0), 50); }// Green else if(hcho<615) {colorWipe(strip.Color(0, 0, 255), 50); }// Green else if(hcho<615) {colorWipe(strip.Color(255, 0, 0), 50); }// Red } }//反显函数void OLED_ColorTurn(uint8_t i){ if(!i) OLED_WR_Byte(0xA6,OLED_CMD);//正常显示 else 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); }else { OLED_WR_Byte(0xC0,OLED_CMD);//反转显示 OLED_WR_Byte(0xA0,OLED_CMD); }}//起始信号void I2C_Start(void){ OLED_SDIN_Set(); OLED_SCLK_Set(); OLED_SDIN_Clr(); OLED_SCLK_Clr();}//结束信号void I2C_Stop(void){ OLED_SCLK_Set(); OLED_SDIN_Clr(); OLED_SDIN_Set();}//等待信号响应void I2C_WaitAck(void) //测数据信号的电平{ OLED_SCLK_Set(); OLED_SCLK_Clr();}//写入一个字节void Send_Byte(uint8_t dat){ uint8_t i; for(i=0;i<8;i++) { OLED_SCLK_Clr();//将时钟信号设置为低电平 if(dat&0x80)//将dat的8位从最高位依次写入 { OLED_SDIN_Set(); } else { OLED_SDIN_Clr(); } OLED_SCLK_Set();//将时钟信号设置为高电平 OLED_SCLK_Clr();//将时钟信号设置为低电平 dat<<=1; }}//发送一个字节//向SSD1306写入一个字节。//mode:数据/命令标志 0,表示命令;1,表示数据;void OLED_WR_Byte(uint8_t dat,uint8_t mode){ I2C_Start(); Send_Byte(0x78); I2C_WaitAck(); if(mode){Send_Byte(0x40);} else{Send_Byte(0x00);} I2C_WaitAck(); Send_Byte(dat); I2C_WaitAck(); I2C_Stop();}//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:0~63void 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:0~63void 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:0~64void OLED_DrawLine(uint8_t x1,uint8_t y1,uint8_t x2,uint8_t y2){ uint8_t i,k,k1,k2,y0; 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); } }}//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,const char 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=pgm_read_byte(&asc2_1206[chr1][i]); } //调用1206字体 else if(size1==16) { temp=pgm_read_byte(&asc2_1608[chr1][i]); } //调用1608字体 else if(size1==24) { temp=pgm_read_byte(&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); 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,const char *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-size1/2) //换行 { x=0; y+=size1; } chr++; }}//m^nu32 OLED_Pow(uint8_t m,uint8_t 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(uint8_t x,uint8_t y,int 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,const 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=pgm_read_byte(&Hzk1[chr1][i]);}//调用16*16字体 else if(size1==24) {temp=pgm_read_byte(&Hzk2[chr1][i]);}//调用24*24字体 else if(size1==32) {temp=pgm_read_byte(&Hzk3[chr1][i]);}//调用32*32字体 else if(size1==64) {temp=pgm_read_byte(&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; } }}//配置写入数据的起始位置void OLED_WR_BP(uint8_t x,uint8_t y){ OLED_WR_Byte(0xb0+y,OLED_CMD);//设置行起始地址 OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD); OLED_WR_Byte((x&0x0f),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(uint8_t x0,uint8_t y0,uint8_t x1,uint8_t y1,const uint8_t BMP[]){ int j=0; uint8_t t; uint8_t x,y; for(y=y0;y<y1;y++) { OLED_WR_BP(x0,y); for(x=x0;x<x1;x++) { t=pgm_read_byte(&BMP[j++]); OLED_WR_Byte(t,OLED_DATA); } }}//OLED的初始化void OLED_Init(void){ pinMode(scl,OUTPUT);//设置 pinMode(sda,OUTPUT);//设置 pinMode(res,OUTPUT);//设置 OLED_RST_Set(); delay(100); OLED_RST_Clr();//复位 delay(200); OLED_RST_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_WR_Byte(0xAF,OLED_CMD); OLED_Clear();}void colorWipe(uint32_t c, uint8_t wait) { for(uint16_t i=0; i<strip.numPixels(); i++) { strip.setPixelColor(i, c); strip.show(); delay(wait); }}复制代码
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Sun_kun 2024-1-16 09:10
luckyzy2000 2024-1-15 16:56