OK test for ppd and mega and tft

Air_Quality_Sensor_PPD42/code/text_entry_lcd_test_mega2ino/text_entry_lcd_test_mega2ino.ino

@@ -16,14 +16,15 @@ MCUFRIEND_kbv tft;
 
 #include <math.h>
 
-int DustSensePin = 13;
+int DustSensePin = 31;
 
 //globals for ppd42 dust sensor
-//let's start with 100 readings. (copy and paste)
-unsigned int airreading[100] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+
+//unsigned int airreading[100] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
 unsigned long starttime = 0;
-unsigned long sampletime_ms = 60000;//sample 60s == 60000 ;
+unsigned long sampletime_ms = 10000;//sample 60s == 60000 ;
 unsigned long lowpulseoccupancy = 0;
+unsigned long duration = 0;
 float ratio = 0;
 float concentration = 0;
 unsigned int x = 0;
@@ -38,6 +39,9 @@ int brightnessread = 0;
 int cat = 0;
 int resultsread1 = 0;
 
+int screenreadyforprint = 0;
+double count = 0;
+
 void setup(void)
 {
     Serial.begin(9600);
@@ -59,32 +63,49 @@ void loop(void)
  
     
     
-    
+    if(screenreadyforprint == 0){
     tft.fillScreen(BLACK);
     tft.WriteCmdData(0x51, 0x0000);
     tft.setTextColor(0XFFFF);
     tft.setTextSize(2);
     tft.setCursor(0, 36);
-    tft.println("running sensor now");
+    tft.println("Starting Sensor");
+    screenreadyforprint = 1;
+    }
+
 
+    duration = pulseIn(DustSensePin, LOW, 500000);
 
-    airreading[x] = pulseIn(DustSensePin, LOW, 500000);
-    tft.println("Results are in:");
+    lowpulseoccupancy = lowpulseoccupancy + duration;
+    
     //tft.println(airreading)
-  if ((millis()-starttime) > sampletime_ms)//if the sample time == 30s
-    {
+    if ((millis()-starttime) > sampletime_ms)//if the sample time == 30s
+    { 
+        tft.fillScreen(BLACK);
+        tft.WriteCmdData(0x51, 0x0000);
+        tft.setTextColor(0XFFFF);
+        tft.setTextSize(2);
+        tft.setCursor(0, 36);
+    
         ratio = lowpulseoccupancy/(sampletime_ms*10.0);  // Integer percentage 0=>100
         concentration = 1.1*powf(ratio,3)-3.8*powf(ratio,2)+520*ratio+0.62; // using spec sheet curve
+        tft.print("Count: ");
+        tft.println(count);
         tft.println(lowpulseoccupancy);
         //tft.print(",");
         tft.println(ratio);
-        //Serial.print(",");
+        //tft.print(",");
+        tft.print("Concentration is: ");
         tft.println(concentration);
         lowpulseoccupancy = 0;
         starttime = millis();
+        //tft.println("Results printed.");
+        count++;
+        
     }
     
     
+    
 }
 
 void showmsgXY(int x, int y, int sz, const GFXfont *f, const char *msg)

Air_Quality_Sensor_PPD42/code/text_entry_lcd_test_mega3/text_entry_lcd_test_mega3.ino

@@ -0,0 +1,130 @@
+#include <Adafruit_GFX.h>    // Core graphics library
+#include <MCUFRIEND_kbv.h>   // Hardware-specific library
+MCUFRIEND_kbv tft;
+
+#include <Fonts/FreeSans9pt7b.h>
+#include <Fonts/FreeSans12pt7b.h>
+#include <Fonts/FreeSerif12pt7b.h>
+
+#include <FreeDefaultFonts.h>
+
+#define BLACK   0x0000
+#define RED     0xF800
+#define GREEN   0x07E0
+#define WHITE   0xFFFF
+#define GREY    0x8410
+
+#include <math.h>
+
+int DustSensePin = 31;
+
+//globals for ppd42 dust sensor
+
+//unsigned int airreading[100] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+unsigned long starttime = 0;
+unsigned long sampletime_ms = 10000;//sample 60s == 60000 ;
+unsigned long lowpulseoccupancy = 0;
+unsigned long duration = 0;
+float ratio = 0;
+float concentration = 0;
+unsigned int x = 0;
+unsigned int toplimit = 0;
+unsigned long sum = 0; //highest number possible - 32 bit unsigned, so 4 billion
+unsigned int average = 0;
+//end ppd42
+
+
+int brightnessread = 0;
+
+int cat = 0;
+int resultsread1 = 0;
+
+int screenreadyforprint = 0;
+double count = 0;
+
+void setup(void)
+{
+    Serial.begin(9600);
+    uint16_t ID = tft.readID();
+    if (ID == 0xD3) ID = 0x9481;
+    tft.begin(ID);
+    tft.setRotation(1);
+    tft.WriteCmdData(0x51, 0x00);
+    //resultsread1 = tft.readReg(0x52);
+    //writeData(0x51);
+    pinMode(DustSensePin,INPUT);
+    starttime = millis();//get the current time;
+    
+    
+}
+
+void loop(void)
+{
+ 
+    
+    
+    if(screenreadyforprint == 0){
+    tft.fillScreen(BLACK);
+    tft.WriteCmdData(0x51, 0x0000);
+    tft.setTextColor(0XFFFF);
+    tft.setTextSize(2);
+    tft.setCursor(0, 36);
+    tft.println("Starting Sensor");
+    screenreadyforprint = 1;
+    }
+
+
+    duration = pulseIn(DustSensePin, LOW, 500000);
+
+    lowpulseoccupancy = lowpulseoccupancy + duration;
+    
+    //tft.println(airreading)
+    if ((millis()-starttime) > sampletime_ms)//if the sample time == 30s
+    { 
+        tft.fillScreen(BLACK);
+        tft.WriteCmdData(0x51, 0x0000);
+        tft.setTextColor(0XFFFF);
+        tft.setTextSize(2);
+        tft.setCursor(0, 36);
+    
+        ratio = lowpulseoccupancy/(sampletime_ms*10.0);  // Integer percentage 0=>100
+        concentration = 1.1*powf(ratio,3)-3.8*powf(ratio,2)+520*ratio+0.62; // using spec sheet curve
+        tft.print("Count: ");
+        tft.println(count);
+        tft.println(lowpulseoccupancy);
+        //tft.print(",");
+        tft.println(ratio);
+        //tft.print(",");
+        tft.print("Concentration is: ");
+        tft.println(concentration);
+        lowpulseoccupancy = 0;
+        starttime = millis();
+        //tft.println("Results printed.");
+        count++;
+        
+    }
+    
+    
+    
+}
+
+void showmsgXY(int x, int y, int sz, const GFXfont *f, const char *msg)
+{
+    int16_t x1, y1;
+    uint16_t wid, ht;
+    tft.drawFastHLine(0, y, tft.width(), WHITE);
+    tft.setFont(f);
+    tft.setCursor(x, y);
+    tft.setTextColor(GREEN);
+    tft.setTextSize(sz);
+    tft.print(msg);
+    delay(1000);
+}
+
+
+uint32_t readReg32(uint16_t reg)
+{
+    uint16_t h = tft.readReg(reg, 0);
+    uint16_t l = tft.readReg(reg, 1);
+    return ((uint32_t) h << 16) | (l);
+}