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136 lines
3.4 KiB
136 lines
3.4 KiB
#include <math.h>
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//--- made by SKA ---
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//--- test EtherEncLib
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// adapted by Renato Aloi
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// May 2015
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// removed SD Card part for future implementation
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#include <SPI.h>
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#include <EtherEncLib.h>
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#if (ESP8266)
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#include <pgmspace.h>
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#else
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#include <avr/pgmspace.h>
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#endif
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static unsigned char ipaddr[] = { 192, 168, 1, 125 };
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static unsigned char macaddr[] = { 0x00, 0x11, 0x22, 0x44, 0x00, 0x25 };
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EtherEncLib eElib(80);
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const PROGMEM char resp200Txt[] = {"HTTP/1.0 200 OK\n\rContent-Type: text/html\n\rPragma: no-cache\n\r\n\r"};
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//sensor start
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int DustSensePin = 13;
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unsigned long duration;
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unsigned long starttime;
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unsigned long sampletime_ms = 30000;//sample 30s ;
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unsigned long lowpulseoccupancy = 0;
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float ratio = 0;
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float concentration = 0;
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void setup()
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{
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#if (ESP8266)
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Serial.begin(115200);
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pinMode(5,OUTPUT); //--- ? -- SS pin must be output # by Renato Aloi
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#else
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Serial.begin(9600);
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pinMode(8,OUTPUT); //--- ? -- SS pin must be output # by Renato Aloi
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#endif
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eElib.begin(ipaddr,macaddr);
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Serial.println(F("------ program start -----------"));
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//Serial.println(F("NO SDCARD version")); // by Renato Aloi
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pinMode(DustSensePin,INPUT);
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starttime = millis();//get the current time;
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}
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void loop() {
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duration = pulseIn(DustSensePin, LOW);
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lowpulseoccupancy = lowpulseoccupancy+duration;
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if ((millis()-starttime) > sampletime_ms)//if the sample time == 30s
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{
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ratio = lowpulseoccupancy/(sampletime_ms*10.0); // Integer percentage 0=>100
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//float exponential power - DOESN"T BUILD
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//concentration = 1.1*powf(ratio,3)-3.8*powf(ratio,2)+520*ratio+0.62; // using spec sheet curve
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//leaner exponential power
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concentration = 1.1*ipow(ratio,3)-3.8*ipow(ratio,2)+520*ratio+0.62; // using spec sheet curve
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//Serial.print(lowpulseoccupancy);
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//Serial.print(",");
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//Serial.print(ratio);
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//Serial.print(",");
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//Serial.println(concentration);
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//lowpulseoccupancy = 0;
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starttime = millis();
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Serial.println("DataGet");
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}
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if ( eElib.available() )
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{
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Serial.println(eElib.getParams());
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eElib.print((char *)&resp200Txt[0],strlen_P(&resp200Txt[0]));
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if (eElib.isIndexHtml)
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{
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eElib.print("<HTML><body><H1>Hello World!</H1>");
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//eElib.print("<form method=POST>");
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eElib.print("<br>");
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eElib.print((int)lowpulseoccupancy);
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eElib.print("<br>");
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eElib.print((int)ratio);
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eElib.print("<br>");
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eElib.print((int)concentration);
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eElib.print("<br>");
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//eElib.print("</form></body>");
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eElib.print("</body></HTML>");
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//Serial.print(lowpulseoccupancy);
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//Serial.print(",");
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//Serial.print(ratio);
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//Serial.print(",");
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//Serial.println(concentration);
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}
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/*
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else if (eElib.isPost)
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{
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eElib.print("<HTML><body><H1>POST Params: ");
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eElib.print(eElib.getParams());
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eElib.print("</H1></body>");
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eElib.print("</HTML>");
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}
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else if (eElib.isGet)
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{
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eElib.print("<HTML><body><H1>GET Params: ");
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eElib.print(eElib.getParams());
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eElib.print("</H1></body>");
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eElib.print("</HTML>");
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}*/
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eElib.close();
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}
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}
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int ipow(int base, int exp)
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{
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int result = 1;
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for (;;)
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{
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if (exp & 1)
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result *= base;
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exp >>= 1;
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if (!exp)
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break;
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base *= base;
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}
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return result;
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}
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