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WaterMePlease.ino
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WaterMePlease.ino
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/*
MicroView Arduino Library
Copyright (C) 2014 GeekAmmo
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 <MicroView.h>
unsigned char watercan[2][384] = {
{
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xF8, 0xE0, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00,
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},
{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0x0E, 0x03, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xE0, 0xF0, 0xF8, 0xF8, 0xF8, 0xF0, 0xE0, 0xE1, 0xC2,
0x84, 0x0C, 0x30, 0x60, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xFC, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xF8, 0xE0, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x40, 0xC0,
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0xC7, 0xCF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0x7F, 0x3F, 0x1F, 0x1F, 0x0F, 0x07, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}
};
int humidityPercent = 0;
int pumpPin = 3;
int button = 5;
int sensorPowerPin = 6;
unsigned long pumpHasBeenRunningSince = 0;
unsigned long pumpLastRanAt = 0;
unsigned long lastSensorReading = 0;
unsigned long sensorUpdateInterval = 30UL * 1000;
unsigned long pumpShouldRunFor = 60UL * 1000;
unsigned long cooldown = 1 * 60UL * 1000;
bool pumpIsRunning = false;
int currentWatercan = 0;
bool autostart = false;
unsigned long bitmapUpdateIntervalMs = 500;
unsigned long lastBitmapUpdate = 0;
bool firstRun = true;
void setup() {
Serial.begin(9600);
pinMode(sensorPowerPin, OUTPUT);
pinMode(button, INPUT);
pinMode(pumpPin,OUTPUT);
digitalWrite(pumpPin, HIGH);
uView.begin(); // init and start MicroView
uView.clear(PAGE); // erase the memory buffer, when next uView.display() is called, the OLED will be cleared.
currentWatercan = 0;
Serial.print("Update interval: ");
Serial.println(sensorUpdateInterval);
Serial.print("Pump should run for: ");
Serial.println(pumpShouldRunFor);
Serial.print("Cooldown: ");
Serial.println(cooldown);
}
void updateBitmap() {
Serial.print("Bitmap to load: ");
Serial.println(currentWatercan);
uView.clear(PAGE);
uView.drawBitmap(watercan[currentWatercan]);
uView.display();
currentWatercan == 1 ? currentWatercan = 0 : currentWatercan++;
lastBitmapUpdate = millis();
}
void loop() {
unsigned long currentMillis = millis();
//if (currentMillis % 1000 == 0) {
Serial.println("--");
Serial.print("Next sensor Update: ");
Serial.println((lastSensorReading + sensorUpdateInterval));
Serial.print("Should update humidity now: ");
Serial.println((lastSensorReading + sensorUpdateInterval) <= currentMillis ? "true": "false");
Serial.print("Current Time: ");
Serial.println(currentMillis);
Serial.println("--");
Serial.print("Button is pressed: ");
Serial.println(digitalRead(button));
//}
if ((lastSensorReading + sensorUpdateInterval) <= currentMillis || firstRun) {
Serial.println("Updating Humidity");
updateHumidity();
}
if (pumpIsRunning && ((lastBitmapUpdate + bitmapUpdateIntervalMs) <= currentMillis)) {
Serial.println("Updating bitmap");
updateBitmap();
}
if (digitalRead(button) == HIGH) {
Serial.println("Button is clicked");
// Failsafe - Abort pumping
if (pumpIsRunning && autostart) {
Serial.println("Stopping the pump");
autostart = false;
stopPump();
} else {
Serial.println("Starting the pump");
startPump();
}
} else if (!autostart && pumpIsRunning) {
stopPump();
}
if (pumpIsRunning && autostart) {
unsigned long targetTime = pumpHasBeenRunningSince + pumpShouldRunFor;
if (targetTime <= currentMillis) {
Serial.println("Stopping the autostarted pump");
autostart = false;
stopPump();
}
} else if (humidityPercent < 70) {
if ((firstRun || ((pumpLastRanAt + cooldown) < currentMillis)) && !pumpIsRunning ) {
Serial.println("Triggering autostart of pump");
autostart = true;
startPump();
}
}
if (!pumpIsRunning) {
uView.clear(PAGE);
uView.setFontType(3);
uView.setCursor(0,0);
uView.print(" ");
uView.print(humidityPercent);
uView.print("%% ");
uView.display();
}
firstRun = false;
}
void stopPump() {
pumpLastRanAt = millis();
digitalWrite(pumpPin,HIGH);
pumpIsRunning = false;
}
void startPump() {
pumpIsRunning = true;
digitalWrite(pumpPin,LOW);
pumpHasBeenRunningSince = millis();
}
void updateHumidity() {
digitalWrite(sensorPowerPin, HIGH);
delay(50);
int sensor = analogRead(A0);
humidityPercent = map(sensor,0,800,0,100);
Serial.println(humidityPercent);
lastSensorReading = millis();
digitalWrite(sensorPowerPin, LOW);
}