Qian Yuyang
QAQ ==!
Dependencies: mbed QEI-1 nRF24L01P xiugai
Diff: drivers/sensors.cpp
- Revision:
- 9:d03b1af2b8d8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/drivers/sensors.cpp Wed Nov 13 09:14:24 2019 +0000
@@ -0,0 +1,736 @@
+#include "sensors.h"
+#include "mbed.h"
+#include "converters.h"
+
+#ifdef ENABLE_SENSORS
+
+
+extern Serial ser2usb;
+extern DigitalOut myled;
+//============================================================SR501
+void sr501::triggered() //触发中断!!
+{
+// //ser2usb.printf("sr501 Triggered!\r\n");
+ status = true;
+}
+//--------
+sr501::sr501(PinName pSignal) //启动热释电!!!
+ : status(false), signal(pSignal)
+{
+ signal.rise(this, &sr501::triggered);
+ ////ser2usb.printf("sr501 start!\r\n");
+}
+//-------
+bool sr501::operator==(const bool &target)
+{
+ if(status == target)
+ {
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+//-------
+void sr501::reset()
+{
+ status = false;
+}
+//-------
+int sr501::read()
+{
+ return signal.read();
+}
+//-------
+#ifdef ENABLE_ESP8266
+void sr501::send_status(Esp8266 & client, const char * topic)
+{
+ char buff[32];
+ sprintf(buff, "%d", this->read());
+
+ ////ser2usb.printf("-----sr501-----\r\nSending message \"%s\" to topic \"%s\"\r\n", buff, topic);
+ /*++++++++++++++++++++++++++++++++++++++++++*/
+ client.publish_value(topic, "_upload"); /* 务必先在topic下发布_upload消息 */
+ wait(0.01); /* 等一段时间后上传传感器数据 */
+ client.publish_value(topic, buff); /* 上传传感器数据后等一段时间 */
+ wait(0.01); /* 然后务必在topic下发布_end消息 */
+ client.publish_value(topic, "_end"); /*++++++++++++++++++++++++++++++++++++++++++*/
+
+ //er2usb.printf("Senging data done.\r\n");
+}
+#endif // ENABLE_ESP8266
+//========================================== //BH1750
+BH1750::BH1750(PinName sda,PinName scl) //启动光强!!!!!(默认设置)
+ :link(sda,scl)
+{
+ status = true;
+ char mode[1]={BH1750_CONTINUOUS_HIGH_RES_MODE};
+ ////ser2usb.printf("modifying\r\n");
+ while(status)
+ {
+ status = link.write(BH1750_I2CADDR, mode, sizeof(mode), false);
+ wait_ms(10);
+ }
+ ////ser2usb.printf("BH1750 start with default mode!\r\n");
+}
+//--------
+BH1750::BH1750(PinName sda,PinName scl,char mode[]) //启动光强!!!!!(自定义设置)
+ :link(sda,scl)
+{
+ status = true;
+ while(status)
+ {
+ status = link.write(BH1750_I2CADDR, mode, sizeof(mode), false);
+ wait_ms(10);
+ }
+ //ser2usb.printf("BH1750 start with customize mode!\r\n");
+}
+//--------
+float BH1750::getlightdata() //读取光强(lux)
+{
+ status = true;
+ status = link.read(BH1750_I2CADDR, rawdata, 2, false);
+ if(!status)
+ {
+ float result = ((rawdata[0]<<8)|rawdata[1])/1.2;
+ return result;
+ }
+ else
+ {
+ //ser2usb.printf("BH1750 read fail!\r\n");
+ return -1;
+ }
+}
+
+#ifdef ENABLE_ESP8266
+void BH1750::send_data(Esp8266 & client, const char * topic)
+{
+ char buff[32];
+ sprintf(buff, "%.3f", this->getlightdata());
+
+ //ser2usb.printf("-----BH1750-----\r\nSending message \"%s\" to topic \"%s\"\r\n", buff, topic);
+
+ client.publish_value(topic, "_upload");
+ wait(0.01);
+ client.publish_value(topic, buff);
+ wait(0.01);
+ client.publish_value(topic, "_end");
+
+ //ser2usb.printf("Senging data done.\r\n");
+}
+#endif // ENABLE_ESP8266
+//==============================================MQ-2
+mq::mq(PinName dio)
+ : status(false), signal(dio),signallevel(PC_13)
+{
+ signal.fall(this, &mq::triggered);
+ //ser2usb.printf("mq start!\r\n");
+}
+//--------
+mq::mq(PinName dio,PinName aio)
+ : status(false), signal(dio),signallevel(aio)
+{
+ signal.fall(this, &mq::triggered);
+ //ser2usb.printf("mq start!\r\n");
+}
+//--------
+void mq::triggered() //触发中断!!
+{
+ //ser2usb.printf("mq Triggered!\r\n");
+ status = true;
+}
+//--------
+bool mq::operator==(const bool &target)
+{
+ if(status == target)
+ {
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+//--------
+float mq::getairdata()
+{
+ return signallevel.read();
+}
+//-----------
+void mq::reset()
+{
+ status = false;
+}
+int mq::read()
+{
+ return signal.read();
+}
+
+#ifdef ENABLE_ESP8266
+void mq::send_data(Esp8266 & client, const char * topic)
+{
+ char buff[32];
+ sprintf(buff, "%d", this->read());
+
+ //ser2usb.printf("-----mq-----\r\nSending message \"%s\" to topic \"%s\"\r\n", buff, topic);
+
+ client.publish_value(topic, "_upload");
+ wait(0.01);
+ client.publish_value(topic, buff);
+ wait(0.01);
+ client.publish_value(topic, "_end");
+
+ //ser2usb.printf("Senging data done.\r\n");
+}
+#endif // ENABLE_ESP8266
+//===========================================DHT11
+dht11::dht11(PinName pin)
+ :datapin(pin)
+{
+ starttime.start();
+ //ser2usb.printf("dht11 start!\r\n");
+}
+//----------
+int dht11::getdata()
+{
+ int timeout=10000;
+ uint8_t data[5];
+ uint8_t bit=7;
+ uint8_t count=0;
+
+ for(int i=0;i<5;i++)
+ {
+ data[i]=0;
+ }
+ if(starttime.read_ms()<1500){while(starttime.read_ms()<1500){}starttime.stop();}
+
+ datapin.output();
+ datapin=0;
+ wait_ms(19);
+ datapin=1;
+ wait_us(30);
+ datapin.input();
+
+ while(!datapin)
+ {
+ if(timeout--==0){
+ //ser2usb.printf("timeout!no reset\r\n");
+ return 0;
+ }
+ }
+ timeout=10000;
+ while(datapin)
+ {
+ if(timeout--==0){//ser2usb.printf("timeout! no response\r\n");
+ return 0;}
+ }
+ timeout=10000;
+ for(int i=0;i<40;i++)
+ {
+ while(!datapin)
+ {
+ if(timeout--==0){//ser2usb.printf("timeout!\r\n");
+ return 0;}
+ }
+ timer.start();
+ timeout=10000;
+ while(datapin)
+ {
+ if(timeout--==0){//ser2usb.printf("timeout!n\r\n");
+ return 0;}
+ }
+ timeout=10000;
+ long t=timer.read_us();
+ timer.stop();
+ timer.reset();
+
+ if(bit==0)
+ {
+ if(t>40){data[count]|=(1<<bit);}
+ bit=7;
+ count++;
+ }
+ else
+ {
+ if(t>40)
+ {
+ data[count]|=(1<<bit);
+ }
+ bit--;
+ }
+ }
+ datapin=1;
+ if(data[4]==data[0]+data[1]+data[2]+data[3])
+ {
+ ////ser2usb.printf("Humidity (%):%f\r\n",(float)data[0]);
+ ////ser2usb.printf("Temperature (oC): %f\r\n",(float)data[2]);
+ H=data[0]+data[1]/10.0;
+ T=data[2]+data[3]/10.0;
+ return 1;
+ }
+ else
+ {
+ //ser2usb.printf("error!\r\ndata0:%d\tdata1:%d\r\ndata2:%d\tdata3:%d\r\ndata4:%d\r\n",
+ // (int)data[0],
+ // (int)data[1],
+ // (int)data[2],
+ // (int)data[3],
+ // (int)data[4]);
+ return 0;
+ }
+}
+//-------
+float dht11::gethumidity()
+{
+ return H;
+}
+//-------
+float dht11::gettemperature()
+{
+ return T;
+}
+
+#ifdef ENABLE_ESP8266
+void dht11::send_temp(Esp8266 & client, const char * topic)
+{
+ char buff[32];
+ if(this->getdata())
+ sprintf(buff, "%.3f", this->gettemperature());
+ else
+ {
+ //ser2usb.printf("dht11 not aviliable\r\n");
+ return;
+ }
+
+ //ser2usb.printf("Sending message \"%s\" to topic \"%s\"\r\n", buff, topic);
+
+ client.publish_value(topic, "_upload");
+ wait(0.01);
+ client.publish_value(topic, buff);
+ wait(0.01);
+ client.publish_value(topic, "_end");
+
+ //ser2usb.printf("Senging data done.\r\n");
+}
+void dht11::send_humi(Esp8266 & client, const char * topic)
+{
+ char buff[32];
+ if(this->getdata())
+ sprintf(buff, "%.3f", this->gethumidity());
+ else
+ {
+ //ser2usb.printf("dht11 not aviliable\r\n");
+ return;
+ }
+
+ //ser2usb.printf("-----dht11-----\r\nSending message \"%s\" to topic \"%s\"\r\n", buff, topic);
+
+ client.publish_value(topic, "_upload");
+ wait(0.01);
+ client.publish_value(topic, buff);
+ wait(0.01);
+ client.publish_value(topic, "_end");
+
+ //ser2usb.printf("Senging data done.\r\n");
+}
+#endif // ENABLE_ESP8266
+//============================================DS18B20
+DS18B20::DS18B20(PinName pin)
+ :datapin(pin)
+{
+ if(start()){//ser2usb.printf("DS18B20 started\r\n");
+ }
+}
+//-----------
+int DS18B20::start()
+{
+ ////ser2usb.printf("starting\r\n");
+ datapin.output();
+ datapin=0;
+ wait_us(600);
+ datapin.input();
+ datapin.mode(PullUp);
+ wait_us(70);
+ while(datapin.read()){return 0;}
+ ////ser2usb.printf("started\r\n");
+ wait_us(250);
+ return 1;
+}
+//----------
+void DS18B20::writebyte(uint8_t send)
+{
+ datapin.output();
+ datapin=1;
+ wait_us(20);
+ for(int i=0;i<8;i++)
+ {
+ datapin.output();
+ datapin=0; //产生读写时序的起始信号
+ wait_us(2); //要求至少1us的延时
+ datapin=send & 0x01; //对总线赋值,从最低位开始写起
+ wait_us(70);//延时70us,写0在60~120us之间释放,写1的话大于60us均可释放
+ datapin=1; //释放总线,为下一次mcu送数据做准备,
+ send>>=1; //有效数据移动到最低位,2次写数据间隙至少需1us
+ }
+ datapin.output();
+ datapin=1;
+ wait_us(70);
+}
+//-----------
+uint8_t DS18B20::readByte() //mcu读一个字节
+{
+ uint8_t i,value=0;
+ for(i=0;i<8;i++)
+ {
+ datapin.output();
+ datapin=0; //起始信号
+ wait_us(2);
+ datapin.input(); //mcu释放总线
+ datapin.mode(PullUp);
+ if(datapin)
+ {
+ value=value|0x80;//保存高电平数据,低电平的话不用保存,移位后默认是0
+ }
+ value>>=1;
+ wait_us(30); //延时40us
+ }
+ return value;
+}
+//------------
+float DS18B20::transfer(uint8_t h,uint8_t l)
+{
+ //h=0x01;
+ //l=0x01;
+ int flag=(h&0x01)>>7;
+ if(!flag)
+ {
+ float i=(h*256+l)*0.25;
+ ////ser2usb.printf("flag:%d\th:%d\tl:%d\r\n",flag,h,l);
+ return i;
+ }
+ else
+ {
+ float i=((~h)*256+(~l))*0.25*-1;
+ ////ser2usb.printf("flag:%d\th:%d\tl:%d\r\n",flag,h,l);
+ return i;
+ }
+}
+//----------
+int DS18B20::getdata()
+{
+ T=5000;
+ start();
+ writebyte(0xcc);
+ writebyte(0x44);
+ wait(2);
+
+ start();
+ writebyte(0xcc);
+ writebyte(0xbe);
+ uint8_t a=readByte();//l
+ uint8_t b=readByte();//h
+ T=transfer(b,a);
+
+ if(T==5000){return 0;}
+ else{return 1;}
+}
+//----------
+float DS18B20::gettemperature()
+{
+ if(getdata()){return T;}
+ else{//ser2usb.printf("get temperature fail!\r\n");
+ return 0;}
+}
+
+#ifdef ENABLE_ESP8266
+void DS18B20::send_temp(Esp8266 & client, const char * topic)
+{
+ char buff[32];
+ if(this->getdata())
+ sprintf(buff, "%.3f", this->gettemperature());
+ else
+ {
+ //ser2usb.printf("dht11 not aviliable\r\n");
+ return;
+ }
+
+ //ser2usb.printf("-----DS18B20-----\r\nSending message \"%s\" to topic \"%s\"\r\n", buff, topic);
+
+ client.publish_value(topic, "_upload");
+ wait(0.01);
+ client.publish_value(topic, buff);
+ wait(0.01);
+ client.publish_value(topic, "_end");
+
+ //ser2usb.printf("Senging data done.\r\n");
+}
+#endif // ENABLE_ESP8266
+
+//==============================================YL-38
+YL::YL(PinName dio)
+ : status(false), signal(dio),signallevel(PC_13)
+{
+ signal.fall(this, &YL::triggered);
+ //ser2usb.printf("YL start!\r\n");
+}
+//--------
+YL::YL(PinName dio,PinName aio)
+ : status(false), signal(dio),signallevel(aio)
+{
+ signal.fall(this, &YL::triggered);
+ //ser2usb.printf("YL start!\r\n");
+}
+//--------
+void YL::triggered() //触发中断!!
+{
+ //ser2usb.printf("YL Triggered!\r\n");
+ status = true;
+}
+//--------
+bool YL::operator==(const bool &target)
+{
+ if(status == target)
+ {
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+//--------
+float YL::getairdata()
+{
+ return signallevel.read();
+}
+//-----------
+void YL::reset()
+{
+ status = false;
+}
+float YL::read()
+{
+ return signallevel.read();
+}
+
+#ifdef ENABLE_ESP8266
+void YL::send_data(Esp8266 & client, const char * topic)
+{
+
+ //ser2usb.printf("-----YL-----\r\nSending message \"%s\" to topic \"%s\"\r\n", buff, topic);
+
+ client.publish_value(topic, "_upload");
+ wait(0.01);
+ client.publish_value(topic,_p(to_string( this->read())));
+ wait(0.01);
+ client.publish_value(topic, "_end");
+
+ //ser2usb.printf("Senging data done.\r\n");
+}
+#endif // ENABLE_ESP8266
+//=============================================
+BMP180::BMP180(PinName sda,PinName scl)
+ :i2c(sda,scl)
+{
+ OSS=OSS_3;
+ uint8_t c = readByte(BMP180_ADDRESS, BMP180_WHO_AM_I);
+ if(c == 0x55)
+ {
+ //ser2usb.printf("BMP-180 is 0x%x\r\n", c);
+ //ser2usb.printf("BMP-180 should be 0x55\r\n");
+ //ser2usb.printf("BMP-180 online...\r\n");
+
+ BMP180Calibration();
+ //ser2usb.printf("BMP-180 calibration complete...\r\n");
+ }
+ else
+ {
+ //ser2usb.printf("BMP-180 is 0x%x\r\n", c);
+ //ser2usb.printf("BMP-180 should be 0x55\r\n");
+ while(1); // idle here forever
+ }
+}
+void BMP180::writeByte(uint8_t address, uint8_t subAddress, uint8_t data)
+{
+ char data_write[2];
+ data_write[0] = subAddress;
+ data_write[1] = data;
+ i2c.write(address, data_write, 2, 0);
+}
+
+char BMP180::readByte(uint8_t address, uint8_t subAddress)
+{
+ char data[1]; // `data` will store the register data
+ char data_write[1];
+ data_write[0] = subAddress;
+ i2c.write(address, data_write, 1, 1); // no stop
+ i2c.read(address, data, 1, 0);
+ return data[0];
+}
+
+void BMP180::readBytes(uint8_t address, uint8_t subAddress, uint8_t count, uint8_t * dest)
+{
+ char data[14];
+ char data_write[1];
+ data_write[0] = subAddress;
+ i2c.write(address, data_write, 1, 1); // no stop
+ i2c.read(address, data, count, 0);
+ for(int ii = 0; ii < count; ii++) {
+ dest[ii] = data[ii];
+ }
+}
+
+
+// Stores all of the BMP180's calibration values into global variables
+// Calibration values are required to calculate temp and pressure
+// This function should be called at the beginning of the program
+// These BMP-180 functions were adapted from Jim Lindblom of SparkFun Electronics
+void BMP180::BMP180Calibration()
+{
+ ac1 = readByte(BMP180_ADDRESS, 0xAA) << 8 | readByte(BMP180_ADDRESS, 0xAB);
+ ac2 = readByte(BMP180_ADDRESS, 0xAC) << 8 | readByte(BMP180_ADDRESS, 0xAD);
+ ac3 = readByte(BMP180_ADDRESS, 0xAE) << 8 | readByte(BMP180_ADDRESS, 0xAF);
+ ac4 = readByte(BMP180_ADDRESS, 0xB0) << 8 | readByte(BMP180_ADDRESS, 0xB1);
+ ac5 = readByte(BMP180_ADDRESS, 0xB2) << 8 | readByte(BMP180_ADDRESS, 0xB3);
+ ac6 = readByte(BMP180_ADDRESS, 0xB4) << 8 | readByte(BMP180_ADDRESS, 0xB5);
+ b1 = readByte(BMP180_ADDRESS, 0xB6) << 8 | readByte(BMP180_ADDRESS, 0xB7);
+ b2 = readByte(BMP180_ADDRESS, 0xB8) << 8 | readByte(BMP180_ADDRESS, 0xB9);
+ mb = readByte(BMP180_ADDRESS, 0xBA) << 8 | readByte(BMP180_ADDRESS, 0xBB);
+ mc = readByte(BMP180_ADDRESS, 0xBC) << 8 | readByte(BMP180_ADDRESS, 0xBD);
+ md = readByte(BMP180_ADDRESS, 0xBE) << 8 | readByte(BMP180_ADDRESS, 0xBF);
+}
+
+// Temperature returned will be in units of 0.1 deg C
+long BMP180::BMP180GetTemperature()
+{
+ long ut = 0;
+ uint8_t rawData[2] = {0, 0};
+
+ writeByte(BMP180_ADDRESS, 0xF4, 0x2E); // start temperature measurement
+ wait_ms(5);
+ readBytes(BMP180_ADDRESS, 0xF6, 2, &rawData[0]); // read raw temperature measurement
+ ut = rawData[0]*256+ rawData[1];
+
+ long x1, x2;
+
+ x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15;
+ x2 = ((long)mc << 11)/(x1 + md);
+ b5 = x1 + x2;
+
+ return ((b5 + 8)>>4)/10.0;
+}
+
+// Calculate pressure read calibration values
+// b5 is also required so BMP180GetTemperature() must be called first.
+// Value returned will be pressure in units of Pa.
+long BMP180::BMP180GetPressure()
+{
+ long up = 0;
+ writeByte(BMP180_ADDRESS, 0xF4, 0x34 | OSS << 6); // Configure pressure measurement for highest resolution
+ wait_ms(5+8*OSS); // delay 5 ms at lowest resolution, 29 ms at highest
+ uint8_t rawData[3] = {0, 0, 0};
+ readBytes(BMP180_ADDRESS, 0xF6, 3, &rawData[0]); // read raw pressure measurement of 19 bits
+ up = (((long) rawData[0] << 16) | ((long)rawData[1] << 8) | rawData[2]) >> (8 - OSS);
+
+ long x1, x2, x3, b3, b6, p;
+ unsigned long b4, b7;
+
+ b6 = b5 - 4000;
+ // Calculate B3
+ x1 = (b2 * (b6 * b6)>>12)>>11;
+ x2 = (ac2 * b6)>>11;
+ x3 = x1 + x2;
+ b3 = (((((long)ac1)*4 + x3)<<OSS) + 2)>>2;
+
+ // Calculate B4
+ x1 = (ac3 * b6)>>13;
+ x2 = (b1 * ((b6 * b6)>>12))>>16;
+ x3 = ((x1 + x2) + 2)>>2;
+ b4 = (ac4 * (unsigned long)(x3 + 32768))>>15;
+
+ b7 = ((unsigned long)(up - b3) * (50000>>OSS));
+ if (b7 < 0x80000000)
+ p = (b7<<1)/b4;
+ else
+ p = (b7/b4)<<1;
+
+ x1 = (p>>8) * (p>>8);
+ x1 = (x1 * 3038)>>16;
+ x2 = (-7357 * p)>>16;
+ p += (x1 + x2 + 3791)>>4;
+
+ return p;
+}
+
+#ifdef ENABLE_ESP8266
+void BMP180::send_press(Esp8266 & client, const char * topic)
+{
+ char buff[32];
+ sprintf(buff, "%ld", this->BMP180GetPressure());
+
+ //ser2usb.printf("-----BMP180-----Sending message \"%s\" to topic \"%s\"\r\n", buff, topic);
+
+ client.publish_value(topic, "_upload");
+ wait(0.01);
+ client.publish_value(topic, buff);
+ wait(0.01);
+ client.publish_value(topic, "_end");
+
+ //ser2usb.printf("Senging data done.\r\n");
+}
+
+void BMP180::send_temp(Esp8266 & client, const char * topic)
+{
+ char buff[32];
+ sprintf(buff, "%ld", this->BMP180GetTemperature());
+
+ //ser2usb.printf("-----BMP180-----\r\nSending message \"%s\" to topic \"%s\"\r\n", buff, topic);
+
+ client.publish_value(topic, "_upload");
+ wait(0.01);
+ client.publish_value(topic, buff);
+ wait(0.01);
+ client.publish_value(topic, "_end");
+
+ //ser2usb.printf("Senging data done.\r\n");
+}
+#endif // ENABLE_ESP8266
+
+//===============================
+GP2Y1010::GP2Y1010(PinName led,PinName measure)
+ :measurePin(measure),ledPower(led)
+{
+ samplingTime = 280;
+ deltaTime = 40;
+ sleepTime = 9680;
+
+ voMeasured = 0;
+ calcVoltage = 0;
+ dustDensity = 0;
+}
+
+float GP2Y1010::getairdata()
+{
+ ledPower=1;
+
+ wait_us(samplingTime);
+
+ voMeasured = measurePin.read();
+
+ wait_us(deltaTime);
+ ledPower=0;
+ wait_us(sleepTime);
+
+ calcVoltage = voMeasured*5.0;
+ dustDensity = 0.17*calcVoltage-0.1;
+
+ if ( dustDensity < 0)
+ {
+ dustDensity = 0.00;
+ }
+ return dustDensity ;
+}
+
+#endif // ENABLE_SENSORS
+