Code: Select all
// including all of the necesary libraries
#include <Wire.h>
#include <SPI.h>
#include <SD.h>
#include "RTClib.h"
#include "Adafruit_SHTC3.h"
#include <LiquidCrystal.h>
// int LCD screen
const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
// int temp and humidity sensor
Adafruit_SHTC3 shtc3 = Adafruit_SHTC3();
// int time sensor
RTC_PCF8523 rtc;
// int SD card
const int chipSelect = 10;
// int File name
File pucks18;
// Select I2C BUS
void TCA9548A(uint8_t bus){
Wire.beginTransmission(0x70); // TCA9548A address
Wire.write(1 << bus); // send byte to select bus
Wire.endTransmission();
Serial.print(bus);
}
void setup() {
Serial.begin(115200);
Wire.begin();
lcd.begin(16, 2);
pinMode(chipSelect, OUTPUT);
#ifndef ESP8266
while (!Serial); // wait for serial port to connect. Needed for native USB
#endif
// int sensors in the setup
// Init sensor 1
TCA9548A(0);
Serial.println("SHTC3 test");
if (! shtc3.begin()) {
Serial.println("Couldn't find SHTC3");
while (1) delay(1);
}
Serial.println("Found SHTC3 1 sensor");
// Init sensor 2
TCA9548A(1);
Serial.println("SHTC3 test");
if (! shtc3.begin()) {
Serial.println("Couldn't find SHTC3");
while (1) delay(1);
}
Serial.println("Found SHTC3 2 sensor");
// // Init sensor 3
// TCA9548A(2);
// Serial.println("SHTC3 test");
// if (! shtc3.begin()) {
// Serial.println("Couldn't find SHTC3");
// while (1) delay(1);
// }
// Serial.println("Found SHTC3 sensor");
//
//
// // Init sensor 4
// TCA9548A(3);
// Serial.println("SHTC3 test");
// if (! shtc3.begin()) {
// Serial.println("Couldn't find SHTC3");
// while (1) delay(1);
// }
// Serial.println("Found SHTC3 sensor");
//
// // Init sensor 5
// TCA9548A(4);
// Serial.println("SHTC3 test");
// if (! shtc3.begin()) {
// Serial.println("Couldn't find SHTC3");
// while (1) delay(1);
// }
// Serial.println("Found SHTC3 sensor");
//
//
// // Init sensor 6
// TCA9548A(5);
// Serial.println("SHTC3 test");
// if (! shtc3.begin()) {
// Serial.println("Couldn't find SHTC3");
// while (1) delay(1);
// }
// Serial.println("Found SHTC3 sensor");
//
// // Init sensor 7
// TCA9548A(6);
// Serial.println("SHTC3 test");
// if (! shtc3.begin()) {
// Serial.println("Couldn't find SHTC3");
// while (1) delay(1);
// }
// Serial.println("Found SHTC3 sensor");
//
//
// // Init sensor 8
// TCA9548A(7);
// Serial.println("SHTC3 test");
// if (! shtc3.begin()) {
// Serial.println("Couldn't find SHTC3");
// while (1) delay(1);
// }
// Serial.println("Found SHTC3 sensor");
// int SD card in the setup
Serial.print("Initializing SD card...");
// see if the card is present and can be initialized:
if (SD.begin(chipSelect)) {
Serial.println("SD card is initialized. Ready to go");
}
else {
Serial.println("Failed");
return;
}
// Create/Open file
pucks18 = SD.open("data18.txt", FILE_WRITE);
// if the file opened okay, write to it:
if (pucks18) {
pucks18.print("Date");pucks18.print(",");pucks18.print("Time");pucks18.print(",");pucks18.print("Temperature");pucks18.print(",");pucks18.print("Humidity");
}
// if the file didn't open, print an error:
else {
Serial.println("error opening test.txt");
}
// int time in the setup
if (! rtc.begin()) {
Serial.println("Couldn't find RTC");
Serial.flush();
while (1) delay(10);
}
if (! rtc.initialized() || rtc.lostPower()) {
Serial.println("RTC is NOT initialized, let's set the time!");
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
float drift = 43; // seconds plus or minus over oservation period - set to 0 to cancel previous calibration.
float period_sec = (7 * 86400); // total obsevation period in seconds (86400 = seconds in 1 day: 7 days = (7 * 86400) seconds )
float deviation_ppm = (drift / period_sec * 1000000); // deviation in parts per million (μs)
float drift_unit = 4.34; // use with offset mode PCF8523_TwoHours
// float drift_unit = 4.069; //For corrections every min the drift_unit is 4.069 ppm (use with offset mode PCF8523_OneMinute)
int offset = round(deviation_ppm / drift_unit);
// rtc.calibrate(PCF8523_TwoHours, offset); // Un-comment to perform calibration once drift (seconds) and observation period (seconds) are correct
// rtc.calibrate(PCF8523_TwoHours, 0); // Un-comment to cancel previous calibration
//Serial.print("Offset is "); Serial.println(offset); // Print to control offset
}
}
void loop() {
// sensors_event_t humidity, temp;
// shtc3.getEvent(&humidity, &temp);// populate temp and humidity objects with fresh data
sensors_event_t humidity, temp;
shtc3.getEvent(&humidity, &temp);// populate temp and humidity objects with fresh data
// get time reading and print
DateTime now = rtc.now();
Serial.print(now.year(), DEC);
Serial.print('/');
Serial.print(now.month(), DEC);
Serial.print('/');
Serial.print(now.day(), DEC);
Serial.print(",");
Serial.print(now.hour(), DEC);
Serial.print(':');
Serial.print(now.minute(), DEC);
Serial.print(':');
Serial.print(now.second(), DEC);
Serial.print(",");
// Serial.print(temp.temperature); Serial.print(","); Serial.print(humidity.relative_humidity);Serial.print(",");
TCA9548A(0);
Serial.print(temp.temperature); Serial.print(","); Serial.print(humidity.relative_humidity);Serial.print(",");
TCA9548A(1);
Serial.print(temp.temperature); Serial.print(","); Serial.print(humidity.relative_humidity);Serial.print(",");
Serial.println(" ");
lcd.setCursor(0, 0);
lcd.print("Humidity: "); lcd.print(humidity.relative_humidity); lcd.print("%");
lcd.setCursor(0,1);
lcd.print("Temp: "); lcd.print(temp.temperature); lcd.print("C");
pucks18 = SD.open("data18.txt", FILE_WRITE);
// if the file opened okay, write to it:
if (pucks18) {
pucks18.print(now.year(), DEC);
pucks18.print('/');
pucks18.print(now.month(), DEC);
pucks18.print('/');
pucks18.print(now.day(), DEC);
pucks18.print(",");
pucks18.print(now.hour(), DEC);
pucks18.print(':');
pucks18.print(now.minute(), DEC);
pucks18.print(':');
pucks18.print(now.second(), DEC);
pucks18.print(",");
pucks18.close(); // close the file
}
// if the file didn't open, print an error:
else {
Serial.println("error opening test.txt");
}
Serial.println();
delay(10000);
}