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Update Weather station example
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@carrascoacd
carrascoacd committed Mar 23, 2019
1 parent ec90925 commit d2d2ccb
Showing 1 changed file with 132 additions and 71 deletions.
203 changes: 132 additions & 71 deletions HttpExample/WeatherStationExample.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -3,45 +3,67 @@
#include <Http.h>
#include <DHT.h>
#include <Battery.h>
//#include <NewPing.h>

//#define TRIGGER_PIN 5
//#define ECHO_PIN 6
//#define MAX_DISTANCE 100
#define RX_PIN 11
#define TX_PIN 12
#define RST_PIN 10
#define MOISTURE_PIN 7
#define TEMPERATURE_HUMIDITY_PIN 13
#include <LowPower.h>
#include <NewPing.h>

#define TRIGGER_PIN 7
#define ECHO_PIN 8
#define MAX_DISTANCE 100
#define RST_PIN 11
#define RX_PIN 10
#define TX_PIN 9
#define MOISTURE_PIN 1
#define TEMPERATURE_HUMIDITY_PIN 6
#define DHTTYPE DHT11
#define OPEN_VALVE_PIN 5
#define LIPO_BATTERY_PIN 5
#define LITIO_BATTERY_PIN 6
#define ENDPOINT "https://your.api"
#define BODY_FORMAT "{\"w\":{\"m\": %d, \"t\": %d, \"h\": %d, \"mv\": %d, \"sv\": %d}}"
//#define BEARER "gprs-service.com"
#define OPEN_VALVE_VIN_PIN 4
#define LITIO_BATTERY_PIN 0
//#define BEARER "movistar.es"
#define BEARER "gprs-service.com"
#define MAX_VOLTAGE 4200
#define MIN_VOLTAGE 3500
#define DEBUG TRUE

unsigned long waitForRunTime = 1;
const HTTP http(9600, RX_PIN, TX_PIN, RST_PIN, DEBUG);
const DHT dht(TEMPERATURE_HUMIDITY_PIN, DHTTYPE);
Battery liPoBattery(3300, 3800, LIPO_BATTERY_PIN);
Battery litioBattery(3300, 3800, LITIO_BATTERY_PIN);
//const NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);
const char ENDPOINT[] = {"https://your.api"};
const char BODY_FORMAT[] PROGMEM = {"{\"w\":{\"m\": %d, \"t\": %d, \"h\": %d, \"mv\": %d, \"sv\": %d, \"v\": %d}}"};

const PROGMEM HTTP http(9600, RX_PIN, TX_PIN, RST_PIN, DEBUG);
const PROGMEM DHT dht(TEMPERATURE_HUMIDITY_PIN, DHTTYPE);
const PROGMEM Battery litioBattery(MIN_VOLTAGE, MAX_VOLTAGE, LITIO_BATTERY_PIN);
const PROGMEM NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);

unsigned long timeToSleep = 0;
unsigned long starToSleepTime = 0;

/*
* functions
*/
void openValve(){
Serial.print(F("Open valve"));

pinMode(OPEN_VALVE_VIN_PIN, OUTPUT);
pinMode(OPEN_VALVE_PIN, OUTPUT);
digitalWrite(OPEN_VALVE_PIN, HIGH);
delay(15000);
pinMode(OPEN_VALVE_VIN_PIN, INPUT);
pinMode(OPEN_VALVE_PIN, INPUT);
}

void openValveFor(unsigned long milliseconds){
Serial.print(F("Open valve for: "));
Serial.println(milliseconds);
digitalWrite(OPEN_VALVE_PIN, LOW);
delay(10000 + milliseconds);
void closeValve(){
Serial.println(F("Close Valve"));
digitalWrite(OPEN_VALVE_PIN, HIGH);

pinMode(OPEN_VALVE_VIN_PIN, OUTPUT);
pinMode(OPEN_VALVE_PIN, OUTPUT);
digitalWrite(OPEN_VALVE_PIN, LOW);
delay(15000);
pinMode(OPEN_VALVE_VIN_PIN, INPUT);
pinMode(OPEN_VALVE_PIN, INPUT);
}

void openValveFor(unsigned long milliseconds){
openValve();
delay(milliseconds);
closeValve();
}

unsigned int readMoisture() {
Expand All @@ -52,79 +74,118 @@ unsigned int readMoisture() {
return total/100;
}

void manageGarden(){
int humidity = dht.readHumidity();
bool rightVoltage(unsigned int voltage){
return voltage >= MIN_VOLTAGE;
}

bool shouldSleep(){
return millis() - starToSleepTime <= timeToSleep;
}

//int availableMemory()
//{
// int size = 1024;
// byte *buf;
//
// while ((buf = (byte *) malloc(--size)) == NULL)
// ;
//
// free(buf);
//
// return size;
//}

void manageGarden(){
unsigned int humidity = dht.readHumidity();
Serial.print(F("Humidity % "));
Serial.println(humidity);
int temperature = dht.readTemperature();
Serial.print(F("Temperature "));

unsigned int temperature = dht.readTemperature();
Serial.print(F("Temperature Cº "));
Serial.println(temperature);

unsigned int moisture = readMoisture();
Serial.print(F("Moisture "));
Serial.println(moisture);

unsigned int litioBatteryVoltage = litioBattery.voltage();
Serial.print(F("Litio voltage "));
Serial.println(litioBatteryVoltage);
unsigned int liPoBatteryVoltage = liPoBattery.voltage();

Serial.print(F("Water tank distance cm: "));
unsigned int distance = sonar.ping_cm();
Serial.println(distance);

http.wakeUp();
unsigned int liPoBatteryVoltage = http.readVoltage();
Serial.print(F("LiPo voltage "));
Serial.println(liPoBatteryVoltage);
//Serial.print(F("Water tank distance cm: "));
//float distance = sonar.ping_cm();
//Serial.println(distance);

char response[32];
char body[90];
Result result;
sprintf(body, BODY_FORMAT, moisture, temperature, humidity, litioBatteryVoltage, liPoBatteryVoltage);
Serial.println(body);

if (rightVoltage(liPoBatteryVoltage)){
char response[32];
char body[70];
Result result;
sprintf_P(body, BODY_FORMAT, moisture, temperature, humidity, litioBatteryVoltage, liPoBatteryVoltage, distance);
Serial.println(body);

http.configureBearer(BEARER);
result = http.connect();
result = http.post(ENDPOINT, body, response);
http.disconnect();

if (result == SUCCESS) {
Serial.println(response);
StaticJsonBuffer<32> jsonBuffer;
JsonObject& root = jsonBuffer.parseObject(response);
http.configureBearer(BEARER);
result = http.connect();
result = http.post(ENDPOINT, body, response);
http.disconnect();
http.sleep();

if (strcmp(root["action"], "open-valve") == 0){
openValveFor(root["value"]);
// Delay 1 minute to overpass the irrigation time
delay(60000);
}
else {
delay(root["value"]);
if (result == SUCCESS) {
Serial.println(response);
StaticJsonBuffer<32> jsonBuffer;
JsonObject& root = jsonBuffer.parseObject(response);

if (strcmp(root["action"], "open-valve") == 0){
// Delay 1 minute to overpass the irrigation time
unsigned long sleepTime = root["value"];
openValveFor(sleepTime + 60000);
}
else {
timeToSleep = root["value"];
// 26848 is the offset the arduino millis have per hour
timeToSleep -= 26848 * timeToSleep/(60*60*1000);
starToSleepTime = millis();
}
}
}
else {
http.sleep();
Serial.println(F("Low voltage detected. I can not work property, charge me!"));
delay(10000);
}
}

/*
* the setup routine runs once when you press reset:
*/
void setup() {
void initialize(){
if (DEBUG){
Serial.begin(9600);
while(!Serial);
Serial.println(F("Starting!"));
}

pinMode(MOISTURE_PIN, INPUT);
pinMode(OPEN_VALVE_PIN, OUTPUT);
pinMode(OPEN_VALVE_PIN, HIGH);
delay(1000);

openValveFor(0);

openValveFor(1000);
dht.begin();
liPoBattery.begin(5000, 1.0);
litioBattery.begin(5000, 1.0);
litioBattery.begin(5000, 1.02);
}

/*
* the setup routine runs once when you press reset:
*/
void setup() {
initialize();
}

/*
* the loop routine runs over and over again forever:
*/
void loop() {
http.wakeUp();
manageGarden();
http.sleep();
void loop(){
if (!shouldSleep()){
manageGarden();
}
}

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