You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
292 lines
8.0 KiB
292 lines
8.0 KiB
/*
|
|
Transformer monitor project
|
|
*/
|
|
|
|
#include <transformerMonitor.h>
|
|
|
|
unsigned long lastMillis = 0;
|
|
|
|
// function that sets up the MQTT client
|
|
void setupMQTTClient();
|
|
|
|
// function to set up and initialize the energy monitor
|
|
void setupEnergyMonitor();
|
|
|
|
// You can use x.509 client certificates if you want
|
|
// const char* test_client_key = ""; //to verify the client
|
|
// const char* test_client_cert = ""; //to verify the client
|
|
void setup()
|
|
{
|
|
pinMode(PIN_RED, OUTPUT);
|
|
pinMode(PIN_GREEN, OUTPUT);
|
|
pinMode(PIN_BLUE, OUTPUT);
|
|
|
|
// set LED to Red - FF0000
|
|
setColor(255, 0, 0);
|
|
delay(10000);
|
|
Serial.begin(9600);
|
|
|
|
eicDataQueue = xQueueCreate( 50, sizeof( xformerMonitorData ) );
|
|
if (eicDataQueue == 0)
|
|
{
|
|
printf("Failed to create queue= %p\n", eicDataQueue);
|
|
}
|
|
// configure time
|
|
// TODO: make dst and timezone configurable
|
|
int timezone = 3;
|
|
int dst = 0;
|
|
configTime(timezone * 3600, dst * 0, "pool.ntp.org", "time.nist.gov");
|
|
|
|
delay(1000);
|
|
|
|
#ifdef TM_MQTT_SSL
|
|
wifiClient.setCACert(root_ca);
|
|
#endif
|
|
|
|
// Start the DS18B20 sensors
|
|
// monitorTempSensors.cabinet.begin();
|
|
// monitorTempSensors.oil.begin();
|
|
|
|
// // Get each DS18B20 sensors' address
|
|
// monitorTempSensors.oil.getAddress(oilTempSensorAddr, 0);
|
|
// monitorTempSensors.cabinet.getAddress(cabinetTempSensorAddr, 0);
|
|
|
|
|
|
|
|
setupMQTTClient();
|
|
|
|
setupEnergyMonitor();
|
|
|
|
// set LED color
|
|
setColor(0, 0, 255);
|
|
xTaskCreatePinnedToCore(
|
|
readEICData, /* Function to implement the task */
|
|
"Read EIC data", /* Name of the task */
|
|
100000, /* Stack size in words */
|
|
NULL, /* Task input parameter */
|
|
0, /* Priority of the task */
|
|
&taskReadEIC, /* Task handle. */
|
|
1); /* Core where the task should run */
|
|
|
|
xTaskCreatePinnedToCore(
|
|
sendSensorDataOverMQTT, /* Function to implement the task */
|
|
"Send sensor data over MQTT", /* Name of the task */
|
|
100000, /* Stack size in words */
|
|
NULL, /* Task input parameter */
|
|
0, /* Priority of the task */
|
|
&taskSendData, /* Task handle. */
|
|
0); /* Core where the task should run */
|
|
}
|
|
|
|
void connect()
|
|
{
|
|
|
|
// connect to the WiFi network
|
|
Serial.print("Attempting to connect to SSID: ");
|
|
Serial.println(ssid);
|
|
WiFi.begin(ssid, wifiPassword);
|
|
|
|
// attempt to connect to Wifi network:
|
|
while (WiFi.status() != WL_CONNECTED)
|
|
{
|
|
Serial.print(".");
|
|
// wait 1 second for re-trying
|
|
delay(3000);
|
|
}
|
|
Serial.print("Connected to ");
|
|
Serial.println(ssid);
|
|
|
|
Serial.print("Username: ");
|
|
Serial.println(mqttUser);
|
|
|
|
Serial.print("\nconnecting...");
|
|
|
|
// we are using the ESP32's MAC address to provide a unique ID
|
|
client_id += String(WiFi.macAddress());
|
|
Serial.printf("The client %s connects to the public mqtt broker\n", client_id.c_str());
|
|
if (mqttClient.connect(client_id.c_str(), mqttUser, mqttPass))
|
|
{
|
|
}
|
|
else
|
|
{
|
|
Serial.print("failed with state ");
|
|
Serial.print(mqttClient.state());
|
|
delay(2000);
|
|
}
|
|
|
|
Serial.println("\nconnected!");
|
|
}
|
|
|
|
void messageReceived(String &topic, String &payload)
|
|
{
|
|
Serial.println("incoming: " + topic + " - " + payload);
|
|
|
|
// Note: Do not use the client in the callback to publish, subscribe or
|
|
// unsubscribe as it may cause deadlocks when other things arrive while
|
|
// sending and receiving acknowledgments. Instead, change a global variable,
|
|
// or push to a queue and handle it in the loop after calling `client.loop()`.
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
|
|
// publish a message roughly every second.
|
|
|
|
|
|
// // mqttClient.publish("xfmormermon", "buffer");
|
|
|
|
// // publish a message roughly every second.
|
|
|
|
// Serial.println("Sleeping 10s");
|
|
// delay(10000);
|
|
}
|
|
|
|
void setupMQTTClient()
|
|
{
|
|
|
|
Serial.print("Setting MQTT server: ");
|
|
Serial.println(mqttServer);
|
|
|
|
mqttClient.setClient(wifiClient);
|
|
mqttClient.setServer(mqttServer, mqttPort);
|
|
mqttClient.setBufferSize(512);
|
|
}
|
|
|
|
// this function initializes the energy monitor
|
|
// depending on which monitor is used, the function will have call different functions
|
|
void setupEnergyMonitor()
|
|
{
|
|
#ifdef ATM90E26_EIC
|
|
|
|
ATM90E26_IC eic;
|
|
|
|
#else
|
|
/* Initialize the serial port to host */
|
|
/*
|
|
The ATM90E36 has to be setup via SPI.
|
|
SPI for the ESP32:
|
|
- CLK: 18
|
|
- MISO: 19
|
|
- MOSI: 23
|
|
- CS: 5
|
|
*/
|
|
SPI.begin(SCK, MISO, MOSI, SS);
|
|
delay(1000);
|
|
eic.begin();
|
|
|
|
#endif
|
|
}
|
|
|
|
// readEICData: reads the EIC and inserts data into queue
|
|
void readEICData(void *pvParameters)
|
|
{
|
|
Serial.print("Task0 running on core ");
|
|
Serial.println(xPortGetCoreID());
|
|
delay(2000);
|
|
|
|
// Attach interrupt for reading data every one second
|
|
readEICTimer = timerBegin(0, 80, true);
|
|
timerAttachInterrupt(readEICTimer, &ReadData, true);
|
|
timerAlarmWrite(readEICTimer, 1000000, true);
|
|
timerAlarmEnable(readEICTimer); // Just Enable
|
|
|
|
for (;;)
|
|
{
|
|
}
|
|
}
|
|
|
|
// sendSensorDataOverMQTT: reads the EIC and inserts data into queue
|
|
void sendSensorDataOverMQTT(void *pvParameters)
|
|
{
|
|
Serial.print("Task1 running on core ");
|
|
Serial.println(xPortGetCoreID());
|
|
delay(3000);
|
|
StaticJsonDocument<512> mqttJsonData;
|
|
JsonObject tempObj = mqttJsonData.createNestedObject("temps");
|
|
JsonObject powerObj = mqttJsonData.createNestedObject("power");
|
|
JsonObject energyObj = mqttJsonData.createNestedObject("energy");
|
|
xformerMonitorData mqttSensorData;
|
|
int messagesWaiting = uxQueueMessagesWaiting(eicDataQueue);
|
|
int emptySpaces = uxQueueSpacesAvailable(eicDataQueue);
|
|
for (;;)
|
|
{
|
|
// Serial.println("hello from Sensor data");
|
|
if (messagesWaiting > 2)
|
|
{
|
|
xQueueReceive(eicDataQueue, &mqttSensorData, portMAX_DELAY);
|
|
char timeBuffer[32];
|
|
strftime(timeBuffer, sizeof(timeBuffer), "%FT%TZ", mqttSensorData.timeInfo);
|
|
|
|
mqttJsonData["deviceId"] = "esp32-random-id";
|
|
mqttJsonData["time"] = timeBuffer;
|
|
mqttJsonData["meterStatus"] = mqttSensorData.meterStatus;
|
|
mqttJsonData["sysStatus"] = mqttSensorData.sysStatus;
|
|
mqttJsonData["current"] = mqttSensorData.lineCurrent;
|
|
mqttJsonData["neutralCurrent"] = mqttSensorData.neutralCurrent;
|
|
mqttJsonData["voltage"] = mqttSensorData.lineCurrent;
|
|
powerObj["active"] = mqttSensorData.power.active;
|
|
powerObj["apparent"] = mqttSensorData.power.apparent;
|
|
powerObj["factor"] = mqttSensorData.power.factor;
|
|
powerObj["reactive"] = mqttSensorData.power.reactive;
|
|
|
|
tempObj["oil"] = mqttSensorData.temps.oil;
|
|
tempObj["cabinet"] = mqttSensorData.temps.cabinet;
|
|
|
|
energyObj["export"] = mqttSensorData.energy.exp;
|
|
energyObj["import"] = mqttSensorData.energy.import;
|
|
|
|
char buffer[512];
|
|
size_t n = serializeJson(mqttJsonData, buffer);
|
|
delay(50);
|
|
mqttClient.publish("xfmormermon/", buffer, n);
|
|
}
|
|
delay(1000); // <- fixes some issues with WiFi stability
|
|
mqttClient.loop();
|
|
|
|
if (!mqttClient.connected())
|
|
{
|
|
connect();
|
|
}
|
|
messagesWaiting = uxQueueMessagesWaiting(eicDataQueue);
|
|
emptySpaces = uxQueueMessagesWaiting(eicDataQueue);
|
|
}
|
|
|
|
}
|
|
|
|
void IRAM_ATTR ReadData(){
|
|
// Count the number of times the ISR has been entered
|
|
static int timesEnteredISR = 1;
|
|
timesEnteredISR++;
|
|
|
|
// Read temperature data every 60 seconds
|
|
// Obtain DS18B20 sensor data
|
|
if (timesEnteredISR == 60)
|
|
{
|
|
timesEnteredISR = 0;
|
|
// monitorTempSensors.cabinet.requestTemperatures();
|
|
// monitorTempSensors.oil.requestTemperatures();
|
|
// get cabinet temp sensor data
|
|
// sensorData.temps.cabinet = monitorTempSensors.cabinet.getTempC(cabinetTempSensorAddr);
|
|
// // get oil temp sensor data
|
|
// sensorData.temps.oil = monitorTempSensors.oil.getTempC(oilTempSensorAddr);
|
|
}
|
|
|
|
|
|
// Get the current time and store it in a variable
|
|
time(&now);
|
|
// set {"time":"2021-05-04T13:13:04Z"}
|
|
sensorData.timeInfo = gmtime(&now);
|
|
|
|
sensorData.lineVoltage = eic.GetLineVoltage();
|
|
sensorData.neutralCurrent = eic.GetLineCurrentN();
|
|
// sensorData.energy.exp =
|
|
|
|
xQueueSend(eicDataQueue, &sensorData, portMAX_DELAY);
|
|
}
|
|
|
|
void setColor(int R, int G, int B) {
|
|
analogWrite(PIN_RED, R);
|
|
analogWrite(PIN_GREEN, G);
|
|
analogWrite(PIN_BLUE, B);
|
|
Serial.println("hello from ISR");
|
|
} |