125 строки
4.3 KiB
C++
125 строки
4.3 KiB
C++
#include <Arduino.h>
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#include <Thread.h>
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#include <SevenSegmentExtended.h> // DisplayLib // Extended TM1637 library https://github.com/bremme/arduino-tm1637
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#include "DHT.h" // DHTlib
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#define DHTPIN 5 // DHTsensorSetting // DHT pin
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#define DHTTYPE DHT22 // DHTsensorSetting // DHT11 / DHT21 / DHT22
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DHT dht(DHTPIN, DHTTYPE); // DHTsensorSetting
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const byte PIN_CLK = 2; // DisplaySetting // CLK pin
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const byte PIN_DIO = 3; // DisplaySetting // DIO pin
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bool displayOn = false; // DisplaySetting // Boolian for store display power status
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SevenSegmentExtended display(PIN_CLK, PIN_DIO); // DisplaySetting
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const byte buttonPin = 4; // ButtonSetting // Button pin (a 10K resistor is necessary)
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long buttonPressed = 0; // ButtonSetting // Button ms pressed counter
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long previousButtonMillis = 0; // ButtonSetting // Button previous press counter
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byte buttonView = 0; // ButtonSetting // Button viewing state
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int buttonInterval = 10000; // ButtonSetting // Interval for highlighting 4-Digit Display after pressing button
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int buttonLongPress = 2500; // ButtonSetting // Interval for long press button action
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int buttonCheck = 200; // ButtonSetting // Interval for checking button state
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// Threads:
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Thread pressButtonThread = Thread(); // Create thread for button state checking
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void setup() {
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Serial.begin(9600); // Initializes the Serial connection @ 9600 baud for debug
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dht.begin(); // DHTsensorSetting // Initializes the sensor
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display.begin(); // DisplaySetting // Initializes the display
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displayOn = true; // Display On
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display.setBacklight(100); // Display On - set the brightness to 100 %
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display.print("INIT-TINI"); // Display initialization
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pinMode(buttonPin, INPUT); // ButtonSetting
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// Button state cheking thread:
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pressButtonThread.onRun(pressButton);
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pressButtonThread.setInterval(buttonCheck);
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display.off(); // Display Off
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displayOn = false; // Display Off
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}
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void loop() {
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// Threads init:
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if (pressButtonThread.shouldRun())
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pressButtonThread.run();
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// Serial interaction:
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if (Serial.available() > 0) {
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int incomingByte = Serial.read() - 48;
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if (incomingByte == 5) {
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float humFloat;
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readDHThum(&humFloat);
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Serial.println(humFloat);
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}
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if (incomingByte == 6) {
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float tempFloat;
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readDHTtemp(&tempFloat);
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Serial.println(tempFloat);
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}
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}
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}
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// Check button pressing thread
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void pressButton() {
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// Display off after buttonInterval ms slack
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unsigned long currentMillis = millis();
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if (currentMillis - previousButtonMillis > buttonInterval) {
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previousButtonMillis = currentMillis;
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if (displayOn == true) {
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display.off();
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displayOn = false;
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}
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}
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if (digitalRead(buttonPin) == HIGH) {
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buttonPressed = buttonPressed + 200;
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if (buttonPressed > buttonLongPress) {
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buttonPressed = 0;
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longPress();
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}
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previousButtonMillis = currentMillis;
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display.on();
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displayOn = true;
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if (buttonView == 0) {
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float tempFloat;
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readDHTtemp(&tempFloat);
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int tempInt = (int)tempFloat;
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if (tempInt < 0)
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tempInt = tempInt * (-1);
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byte rawData[4];
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rawData[0] = display.encode(tempInt / 10);
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rawData[1] = display.encode(tempInt % 10);
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rawData[2] = B01100011; // degree
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rawData[3] = display.encode('c');
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display.printRaw(rawData);
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} else if (buttonView == 1) {
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float humFloat;
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readDHThum(&humFloat);
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int humInt = (int)humFloat;
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byte rawData[4];
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rawData[0] = display.encode('h');
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rawData[1] = display.encode('u');
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rawData[2] = display.encode(humInt / 10);
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rawData[3] = display.encode(humInt % 10);
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display.printRaw(rawData);
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}
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if (buttonView < 1) buttonView += 1;
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else buttonView = 0;
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} else {
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buttonPressed = 0;
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}
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}
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// DHT Temperature
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void readDHTtemp(float *a) {
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float t = dht.readTemperature();
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*a = t;
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}
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// DHT Humidity
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void readDHThum(float *a) {
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float h = dht.readHumidity();
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*a = h;
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}
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void longPress() {
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display.print("-doctor-equivalent-me-");
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}
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