[Barrow4491]

Werk
I am building a stand alone AQ unit for a friend but cannot get the LCD to display anything.
I have changed the display, (it works on another unit if i change the address in the software to suit) but not with the new build.
I have not installed the Tx socket or Tx unit and LED.
Code is attached
Regards
Jim

Code:

/***************************************************************************
WeatherDuino - Air Quality Monitor
For PMS7003 and MH-Z19B

Version:                  : 7.1 b004
Arduino IDE Compatilility : IDE 1.8.3
Version Release date      : 10/02/2018
Last revision date        : 10/02/2018
Licence                   : GNU GPLv3
Author                    : Werk_AG (MeteoCercal)
Support Forum             : http://www.meteocercal.info/forum


-------------------------------------------------------------------------------------
         >>>>>>>>>>>> About Copyrights <<<<<<<<<<<<<<<
-------------------------------------------------------------------------------------
License:GNU General Public License v3.0

   WeatherDuino Pro2 PLUS Base Unit / RF Receiver
   Copyright (C) 2017  Werk_AG - www.meteocercal.info

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*************************************************************************************/

#include <RH_ASK.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Timer.h>
#include "Adafruit_SHT31.h"     // library for SHT31
#include <SHT2x.h>              // library for SHT2x
#include <HTU21D.h>
#include <SoftwareSerial.h>
#include "Config_AQI.h"         // User configurable options file


const char* VersionNumber = "v7.10 b004";
// --------------------------------------------------------------------------------------
//   Hardware input/output pins
// --------------------------------------------------------------------------------------
#define TX_PTT_PIN      7
#define TX_PIN          8
#define PMS7003_SetPin  9      
#define PM_RX           10
#define PM_TX           11
#define CO2_RX          12
#define CO2_TX          13


#if (LCD_Display == 1)
// ---- Define LCD I2C address
// Only change this if your LCD don't display any data. I2C_Scanner utility may help you to find the address of your LCD display
// Default address will work most of the times!
#define LCD_I2C_Address 0x20

LiquidCrystal_I2C lcd(LCD_I2C_Address, 20, 4);
byte heart[8] = {0x0, 0xa, 0x1f, 0x1f, 0xe, 0x4, 0x0};     // custom character:
#endif

// --------------------------------------------------------------------------------------
//   Usefull Macros
// --------------------------------------------------------------------------------------
#define setPortHIGH(port, pin) ((port) |= (1 << (pin)))
#define setPortLOW(port, pin) ((port) &= ~(1 << (pin)))


// --------------------------------------------------------------------------------------
//   General variables
// --------------------------------------------------------------------------------------
const char* PM_units = {" ug/m3"};
const byte Z19_readCMD[9] = {0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79};   // Z19 command to ask for data
 
const byte readInterval  = 15;     // 15 Minutes - WARNING!!! - NEVER CHANGE THIS VALUE, OR ALL CALCULATIONS WILL BE WRONG

byte readCount_1H        = 0;

uint16_t CO2_1H_Avg      = 0;
uint16_t AQI_12H_nowCast = 0;

uint16_t CO2_RAW         = 0;
uint16_t CO2_instant     = 0;
unsigned int Z19_Temp;
unsigned int Z19_Ready   = 15000;
bool Z19_Valid_read      = false;

float Temperature        = 0.0;
float Humidity           = 0.0;
float PM25_1H_Avg        = 0.0;
float PM25_12H_NowCast   = 0.0;
float pm10,pm25;
long last_AQIread;


// Data to calc AQI index from PM2.5 (EPA Standard)
const float concentrationBoundaries[7][2] =
{
  {0.0f,12.0f},
  {12.0001f,35.499f},
  {35.5f,55.499f},
  {55.5f,150.499f},
  {150.5f,250.499f},
  {250.5f,350.499f},
  {350.5f,500.499f}
};

const unsigned int indexBoundaries[7][2] =
{
  {0,50},
  {51,100},
  {101,150},
  {151,200},
  {201,300},
  {301,400},
  {401,500}
};


// -------------------------------------------------------------------
//      Data structure for PMS7003
// -------------------------------------------------------------------
#if (PMsensor_type == 0)
struct PMS7003_datastruct {
   uint8_t  frameHeader[2];
   //uint16_t frameLen = MAX_FRAME_LEN;
   float concPM1_0_CF1;
   float concPM2_5_CF1;
   float concPM10_0_CF1;
   float concPM1_0_amb;
   float concPM2_5_amb;
   float concPM10_0_amb;
   //uint16_t rawGt0_3um;
   //uint16_t rawGt0_5um;
   //uint16_t rawGt1_0um;
   //uint16_t rawGt2_5um;
   //uint16_t rawGt5_0um;
   //uint16_t rawGt10_0um;
   //uint8_t  version;
   //uint8_t  errorCode;
   uint16_t checksum;
} PMS7003;
#endif


// --------------------------------------------------------------------------------------
//   Arrays for 1H averages and 12 hours NowCast
// --------------------------------------------------------------------------------------
uint16_t CO2_1H_array[4];
float PM25_1H_array[4];
float PM25_12H_array[12];


//---------------------------------------------------------
//     Create objects
//---------------------------------------------------------
#if (TH_Sensor == 1)
 HTU21D TH;
#endif
#if (TH_Sensor == 3)
 Adafruit_SHT31 sht31 = Adafruit_SHT31();  
#endif

 SoftwareSerial Dust_Serial(PM_RX, PM_TX);       // define serial for PM sensor

#if (Use_CO2 == 1)
 SoftwareSerial CO2_Serial(CO2_RX, CO2_TX);    // define serial for CO2 sensor
#endif

#if (TX_Mode == 1)
 RH_ASK ask433(1000, -1, TX_PIN, TX_PTT_PIN);
#endif  

Timer t;

// --------------------------------------------------------------------------------------
//   Setup things
// --------------------------------------------------------------------------------------
void setup()
{

#if ((Debug_PM == 1) || (Debug_CO2 == 1))
 Serial.begin(19200);
 Serial.println(F("     WeatherDuino 4Pro"));
 Serial.print(F("Air Quality Monitor "));
 Serial.println(VersionNumber);
 Serial.println();
 Serial.println(F("Please wait..."));
 Serial.println();
#endif
 Dust_Serial.begin(9600);  //Create Software Serial for Dust sensor
#if (Use_CO2 == 1)
 CO2_Serial.begin(9600);   //Create Software Serial for CO2 sensor
#endif  
#if (PMsensor_type == 1)
Dust_Serial.listen();
Dust_Serial.write(SLEEPCMD, 19);               // Put the sensor in sleep mode
Dust_Serial.flush();
#endif
Wire.begin();


//------------------------------------------------------------
// Setup PINS
//------------------------------------------------------------
 pinMode(TX_PIN, OUTPUT);
 pinMode(TX_PTT_PIN, OUTPUT);
 digitalWrite(TX_PTT_PIN, LOW);
   
 // Set the Pin used to control the SET function on PMS7003 (LOW = sleep mode)
 pinMode(PMS7003_SetPin, OUTPUT);
 setPortLOW(PORTB, 1);                // Pin 9 - Used in final boards
 
 
//------------------------------------------------------------
// Setup the transmitter and transmition timers
//------------------------------------------------------------
 #if (TX_Mode == 1)
   ask433.init();
 #endif
 
 // Init devices
 #if (TH_Sensor == 1)
   // TH.begin();
 #endif
 #if (TH_Sensor == 3)
   sht31.begin(SHT31_address);    
 #endif
 #if LCD_Display == 1
   lcd.begin();
   init_LCD();
 #endif

 #if (Use_CO2 == 1)
   warmUp();                          // Warm UP MH-Z19 for 3 minutes
   Setup_MH_Z19();
 #endif

 read_THsensor();
 
 #if LCD_Display == 1
  update_LCD();
 #endif
 
 read_AQISensors();

 t.every(37000, runEvery37s);        
 t.every(60000 * readInterval, read_AQISensors);  
     
}


// --------------------------------------------------------------------------------------
//   Main Loop
// --------------------------------------------------------------------------------------
void loop()
{  
 t.update();

// Reboot if millis is close to rollover. RTC_Millis won't work properly if millis rolls over.  Takes 49 days to rollover
//if ( now_millis > 4294000000UL ) softReset();    
}

Code:

--------------------------------------------------------------------------------------
//   WeatherDuino - Air Quality Monitor v7.10 b004
//                  User Configurable Options
// --------------------------------------------------------------------------------------

// --------------------------------------------------------------------------------------
//   Define ID and TX unit number
// --------------------------------------------------------------------------------------
#define StationID  0xA1      // Must be equal to your RX Unit (Value from 0x00 to 0xFF)  


// --------------------------------------------------------------------------------------
//   Define type of PM sensor
// --------------------------------------------------------------------------------------
#define PMsensor_type   0    // 0= PMS7003


// --------------------------------------------------------------------------------------
//   For the PMS7003 define data set
// --------------------------------------------------------------------------------------
#define PMS7003_dataSet 1    // 0= CF1, 1= Ambiente (You should always use this data set)


// --------------------------------------------------------------------------------------
//   CO2 (MH-Z19) Settings
//   Note: For outside use, the MH-Z19B model produces more accurate results
// --------------------------------------------------------------------------------------
#define Use_CO2         1    // 0= Not instaled, 1= Instaled
#define Z19_model       2    // 1= Model A, 2= Model B  (ATTENTION: Make sure you select the correct model)                            

// Set measure range                              
#define Z19_range       5    // Don't change (Keeps default factory range 0..5000 ppm)
                            // Valid values for Model A: 1= 1000ppm, 2= 2000ppm, 3= 3000ppm, 5=5000ppm
                            // Valid values for Model B: 2= 2000ppm, 5= 5000ppm

int16_t CO2_OffSet   = 0;    // Fine adjust to compensate sensor error (This value should be determined case by case. Values between -50 and 50)

// --------------------------------------------------------------------------------------
//   Define type of Temperature / Humidity sensor
// --------------------------------------------------------------------------------------
#define TH_Sensor    1       // 1= HTU21D, 2= SHT2x, 3=SHT3x  


// --------------------------------------------------------------------------------------
//   Enable / Disable RF data transmission
// --------------------------------------------------------------------------------------
#define TX_Mode     0       // 0= No data will be transmitted via RF, 1= Transmit Data


// --------------------------------------------------------------------------------------
//   Enable / Disable LCD Display
// --------------------------------------------------------------------------------------
#define LCD_Display  1       // 0= Disable Display, 1= Enable Display


// --------------------------------------------------------------------------------------
//   Enable / Disable PM sensor Debug on Serial Monitor
// --------------------------------------------------------------------------------------
#define Debug_PM     1      // 0= Disable 1= Enable


// --------------------------------------------------------------------------------------
//   Enable / Disable CO2 sensor Debug on Serial Monitor
// --------------------------------------------------------------------------------------
#define Debug_CO2    1      // 0= Disable 1= Enable


// --------------------------------------------------------------------------------------
//   SHT31 I2C Address - Default address will work most of the times!
// --------------------------------------------------------------------------------------
#define SHT31_address 0x44       // Default value is 0x44, but it can be changed to 0x45