A

gistfile1.txt

#include <TFT_eSPI.h>
#include "Free_Fonts.h"

TFT_eSPI tft;
TFT_eSprite spr = TFT_eSprite(&tft);

#define SCREEN_WIDTH 320                        // Wio Terminal Maximum Width
#define SCREEN_HIGH 240                         // Wio Terminal Maximum Height
#define PIXEL 4                                 // Width of one letter
const static unsigned int FONT_ROW_HEIGHT = 22; // The height of a letter

#include "seeed_line_chart.h" //include the library
#include <Arduino.h>
#include "sensirion_common.h"
#include "sgp30.h"

#define MAX_SIZE 30 // maximum size of data


#include "Wire.h"
#include "DHT.h"
#define DHTTYPE DHT20   // DHT 20
// /*Notice: The DHT10 and DHT20 is different from other DHT* sensor ,it uses i2c interface rather than one wire*/
// /*So it doesn't require a pin.*/
DHT dht(DHTTYPE);         //   DHT10 DHT20 don't need to define Pin


void DISPLAY_INIT() // Display initialization, black background rotation
{
    tft.begin();
    tft.setRotation(3);
    tft.fillScreen(TFT_BLACK);
}

void BindDev_Display(int _CO2,int _template=1) // Select Frequency band interface
{
    spr.createSprite(SCREEN_WIDTH, SCREEN_HIGH);

    // put your main code here
    spr.setFreeFont(FSSB9);
    spr.setTextColor(TFT_WHITE);

    spr.drawString(String(_CO2), 10, 10 , GFXFF);  //Show the network you are in

    // spr.drawString(String(_template), 30, 10 , GFXFF);  //Show the network you are in

    spr.pushSprite(20,20);
    spr.deleteSprite();
}


void setup_1() {
    s16 err;
    u16 scaled_ethanol_signal, scaled_h2_signal;
    Serial.begin(115200);
    Serial.println("serial start!!");

    /*For wio link!*/
    #if defined(ESP8266)
    pinMode(15, OUTPUT);
    digitalWrite(15, 1);
    Serial.println("Set wio link power!");
    delay(500);
    #endif
    /*  Init module,Reset all baseline,The initialization takes up to around 15 seconds, during which
        all APIs measuring IAQ(Indoor air quality ) output will not change.Default value is 400(ppm) for co2,0(ppb) for tvoc*/
    while (sgp_probe() != STATUS_OK) {
        Serial.println("SGP failed");
        while (1);
    }
    /*Read H2 and Ethanol signal in the way of blocking*/
    // err = sgp_measure_signals_blocking_read(&scaled_ethanol_signal,
    //                                         &scaled_h2_signal);
    // if (err == STATUS_OK) {
    //     Serial.println("get ram signal!");
    // } else {
    //     Serial.println("error reading signals");
    // }
    // err = sgp_iaq_init();


    // // debug.begin(115200);
    // debug.println("DHTxx test!");
    // Wire.begin();
 
    /*if using WIO link,must pull up the power pin.*/
    // pinMode(PIN_GROVE_POWER, OUTPUT);
    // digitalWrite(PIN_GROVE_POWER, 1);
 
    // dht.begin();
    //
}

void setup()
{
    DISPLAY_INIT();
    setup_1();

}

float temp_hum_val[2] = {0};

void loop()
{
  s16 err = 0;
  u16 tvoc_ppb, co2_eq_ppm;
  err = sgp_measure_iaq_blocking_read(&tvoc_ppb, &co2_eq_ppm);
  if (err == STATUS_OK) {
      Serial.print("tVOC  Concentration:");
      Serial.print(tvoc_ppb);
      Serial.println("ppb");

      Serial.print("CO2eq Concentration:");
      Serial.print(co2_eq_ppm);
      Serial.println("ppm");
  } else {
      Serial.println("error reading IAQ values\n");
  }

  // if (!dht.readTempAndHumidity(temp_hum_val)) {
  if (1==1) {
      Serial.print("Humidity: ");
      Serial.print(temp_hum_val[0]);
      Serial.print(" %\t");
      Serial.print("Temperature: ");
      Serial.print(temp_hum_val[1]);
      Serial.println(" *C");
  } else {
      Serial.println("Failed to get temprature and humidity value.");
  }

  BindDev_Display(tvoc_ppb);
}