ESPMegaPRO-v3-SDK/ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.cpp

444 lines
13 KiB
C++

#include <ESPMegaIoT.hpp>
#include <ETH.h>
ESPMegaIoT::ESPMegaIoT() : mqtt(tcpClient)
{
tcpClient.setTimeout(1);
// Initialize the components array
for (int i = 0; i < 255; i++)
{
components[i] = NULL;
}
active = false;
mqtt_connected = false;
}
ESPMegaIoT::~ESPMegaIoT()
{
}
void ESPMegaIoT::mqttCallback(char *topic, byte *payload, unsigned int length)
{
// Create a null terminated string from the payload
memcpy(payload_buffer, payload, length);
payload_buffer[length] = '\0';
// Remove the base topic from the topic
char *topic_without_base = topic + strlen(base_topic) + 1;
if (user_relative_mqtt_callback != NULL)
{
user_relative_mqtt_callback(topic_without_base + 3, payload_buffer);
}
if (user_mqtt_callback != NULL)
{
user_mqtt_callback(topic, payload_buffer);
}
// Call the respective card's mqtt callback
// Note that after the base topic, there should be the card id
// /base_topic/card_id/...
// First, get the card id in integer form
char *card_id_str = strtok(topic_without_base, "/");
uint8_t card_id = atoi(card_id_str);
// Check if the card is registered
if (components[card_id] == NULL)
{
return;
}
components[card_id]->handleMqttMessage(topic_without_base + 3, payload_buffer);
}
void ESPMegaIoT::setBaseTopic(char *base_topic)
{
strcpy(this->base_topic, base_topic);
base_topic_length = strlen(base_topic);
}
void ESPMegaIoT::intr_begin(ExpansionCard *cards[])
{
this->cards = cards;
active = true;
}
void ESPMegaIoT::loop()
{
if (!active)
return;
// Call each component's loop function
for (int i = 0; i < 255; i++)
{
if (components[i] != NULL)
{
components[i]->loop();
}
}
mqtt.loop();
sessionKeepAlive();
}
// Register Existing Card for use with IoT
void ESPMegaIoT::registerCard(uint8_t card_id)
{
// Check if the card is already registered
if (components[card_id] != NULL)
{
return;
}
// Get the card type
uint8_t card_type = cards[card_id]->getType();
// Create the respective IoT component
switch (card_type)
{
case CARD_TYPE_ANALOG:
components[card_id] = new AnalogIoT();
components[card_id]->begin(card_id, cards[card_id], &mqtt, base_topic);
if (mqtt_connected)
{
components[card_id]->subscribe();
components[card_id]->publishReport();
}
break;
case CARD_TYPE_DIGITAL_INPUT:
components[card_id] = new DigitalInputIoT();
components[card_id]->begin(card_id, cards[card_id], &mqtt, base_topic);
if (mqtt_connected)
{
components[card_id]->subscribe();
components[card_id]->publishReport();
}
break;
case CARD_TYPE_DIGITAL_OUTPUT:
components[card_id] = new DigitalOutputIoT();
components[card_id]->begin(card_id, cards[card_id], &mqtt, base_topic);
if (mqtt_connected)
{
components[card_id]->subscribe();
components[card_id]->publishReport();
}
break;
case CARD_TYPE_CLIMATE:
components[card_id] = new ClimateIoT();
components[card_id]->begin(card_id, cards[card_id], &mqtt, base_topic);
if (mqtt_connected)
{
components[card_id]->subscribe();
components[card_id]->publishReport();
}
break;
default:
ESP_LOGE("ESPMegaIoT", "Registering card %d failed: Unknown card", card_id);
return;
}
}
void ESPMegaIoT::deregisterCard(uint8_t card_id)
{
// Check if the card is registered
if (components[card_id] == NULL)
{
return;
}
// Delete the IoT component
delete components[card_id];
components[card_id] = NULL;
}
void ESPMegaIoT::publishCard(uint8_t card_id)
{
// Check if the card is registered
if (components[card_id] == NULL)
{
return;
}
// Publish the card
components[card_id]->publishReport();
}
void ESPMegaIoT::subscribeToTopic(char *topic)
{
mqtt.subscribe(topic);
}
void ESPMegaIoT::unsubscribeFromTopic(char *topic)
{
mqtt.unsubscribe(topic);
}
void ESPMegaIoT::connectToWifi(char *ssid, char *password)
{
WiFi.begin(ssid, password);
}
void ESPMegaIoT::connectToWifi(char *ssid)
{
WiFi.begin(ssid);
}
void ESPMegaIoT::disconnectFromWifi()
{
WiFi.disconnect();
}
bool ESPMegaIoT::wifiConnected()
{
return WiFi.status() == WL_CONNECTED;
}
bool ESPMegaIoT::connectToMqtt(char *client_id, char *mqtt_server, uint16_t mqtt_port, char *mqtt_user, char *mqtt_password)
{
mqtt.setServer(mqtt_server, mqtt_port);
auto boundCallback = std::bind(&ESPMegaIoT::mqttCallback, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
mqtt.setCallback(boundCallback);
if (mqtt.connect(client_id, mqtt_user, mqtt_password))
{
sessionKeepAlive();
mqttSubscribe();
// Publish all cards
for (int i = 0; i < 255; i++)
{
if (components[i] != NULL)
{
components[i]->publishReport();
}
}
mqtt_connected = true;
return true;
}
mqtt_connected = false;
return false;
}
bool ESPMegaIoT::connectToMqtt(char *client_id, char *mqtt_server, uint16_t mqtt_port)
{
mqtt.setServer(mqtt_server, mqtt_port);
auto boundCallback = std::bind(&ESPMegaIoT::mqttCallback, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
mqtt.setCallback(boundCallback);
if (mqtt.connect(client_id))
{
sessionKeepAlive();
mqttSubscribe();
// Publish all cards
for (int i = 0; i < 255; i++)
{
if (components[i] != NULL)
{
components[i]->publishReport();
}
}
ESP_LOGI("ESPMegaIoT", "MQTT Connected");
mqtt_connected = true;
return true;
}
ESP_LOGW("ESPMegaIoT", "MQTT Connection failed: %d", mqtt.state());
mqtt_connected = false;
return false;
}
void ESPMegaIoT::disconnectFromMqtt()
{
mqtt.disconnect();
}
void ESPMegaIoT::publishToTopic(char *topic, char *payload)
{
mqtt.publish(topic, payload);
}
void ESPMegaIoT::registerMqttCallback(void (*callback)(char *, char *))
{
user_mqtt_callback = callback;
}
void ESPMegaIoT::mqttSubscribe()
{
if (user_subscribe_callback != NULL)
{
user_subscribe_callback();
}
// Subscribe to all topics
for (int i = 0; i < 255; i++)
{
if (components[i] != NULL)
{
components[i]->subscribe();
}
}
}
void ESPMegaIoT::publishRelative(uint8_t card_id, char *topic, char *payload)
{
char absolute_topic[100];
sprintf(absolute_topic, "%s/%d/%s", base_topic, card_id, topic);
mqtt.publish(absolute_topic, payload);
}
bool ESPMegaIoT::mqttReconnect()
{
if (this->mqtt_config.mqtt_useauth)
{
return this->connectToMqtt(this->network_config.hostname, this->mqtt_config.mqtt_server, this->mqtt_config.mqtt_port, this->mqtt_config.mqtt_user, this->mqtt_config.mqtt_password);
}
else
{
return this->connectToMqtt(this->network_config.hostname, this->mqtt_config.mqtt_server, this->mqtt_config.mqtt_port);
}
}
void ESPMegaIoT::sessionKeepAlive()
{
static unsigned long lastSessionKeepAlive = 0;
if (millis() - lastSessionKeepAlive > 30000)
{
lastSessionKeepAlive = millis();
// Check if mqtt is connected
if (!mqtt.connected())
{
// Try to reconnect
mqtt_connected = mqttReconnect();
}
}
}
void ESPMegaIoT::registerRelativeMqttCallback(void (*callback)(char *, char *))
{
user_relative_mqtt_callback = callback;
}
void ESPMegaIoT::publishRelative(char *topic, char *payload)
{
char absolute_topic[100];
sprintf(absolute_topic, "%s/%s", base_topic, topic);
mqtt.publish(absolute_topic, payload);
}
void ESPMegaIoT::subscribeRelative(char *topic)
{
char absolute_topic[100];
sprintf(absolute_topic, "%s/%s", base_topic, topic);
mqtt.subscribe(absolute_topic);
}
void ESPMegaIoT::registerSubscribeCallback(void (*callback)(void))
{
user_subscribe_callback = callback;
}
void ESPMegaIoT::setNetworkConfig(NetworkConfig network_config)
{
this->network_config = network_config;
}
void ESPMegaIoT::loadNetworkConfig()
{
// Load the network config from FRAM
network_config.ip = fram->read32(IOT_FRAM_ADDRESS);
network_config.gateway = fram->read32(IOT_FRAM_ADDRESS + 4);
network_config.subnet = fram->read32(IOT_FRAM_ADDRESS + 8);
network_config.dns1 = fram->read32(IOT_FRAM_ADDRESS + 12);
network_config.dns2 = fram->read32(IOT_FRAM_ADDRESS + 16);
fram->read(IOT_FRAM_ADDRESS + 20, (uint8_t*)network_config.hostname, 32);
network_config.useStaticIp = fram->read8(IOT_FRAM_ADDRESS + 52);
network_config.useWifi = fram->read8(IOT_FRAM_ADDRESS + 53);
network_config.wifiUseAuth = fram->read8(IOT_FRAM_ADDRESS + 54);
fram->read(IOT_FRAM_ADDRESS + 55, (uint8_t*)network_config.ssid, 32);
fram->read(IOT_FRAM_ADDRESS + 87, (uint8_t*)network_config.password, 32);
}
void ESPMegaIoT::saveNetworkConfig()
{
// Save the network config to FRAM
fram->write32(IOT_FRAM_ADDRESS, network_config.ip);
fram->write32(IOT_FRAM_ADDRESS + 4, network_config.gateway);
fram->write32(IOT_FRAM_ADDRESS + 8, network_config.subnet);
fram->write32(IOT_FRAM_ADDRESS + 12, network_config.dns1);
fram->write32(IOT_FRAM_ADDRESS + 16, network_config.dns2);
fram->write(IOT_FRAM_ADDRESS + 20, (uint8_t*)network_config.hostname, 32);
fram->write8(IOT_FRAM_ADDRESS + 52, network_config.useStaticIp);
fram->write8(IOT_FRAM_ADDRESS + 53, network_config.useWifi);
fram->write8(IOT_FRAM_ADDRESS + 54, network_config.wifiUseAuth);
fram->write(IOT_FRAM_ADDRESS + 55, (uint8_t*)network_config.ssid, 32);
fram->write(IOT_FRAM_ADDRESS + 87, (uint8_t*)network_config.password, 32);
}
void ESPMegaIoT::ethernetBegin()
{
ethernetIface->setHostname(network_config.hostname);
}
void ESPMegaIoT::loadMqttConfig()
{
// Load the mqtt config from FRAM
// We skip bytes 119-127 because they are reserved for the network config
mqtt_config.mqtt_port = fram->read16(IOT_FRAM_ADDRESS + 128);
fram->read(IOT_FRAM_ADDRESS + 130, (uint8_t*)mqtt_config.mqtt_server, 32);
fram->read(IOT_FRAM_ADDRESS + 162, (uint8_t*)mqtt_config.mqtt_user, 32);
fram->read(IOT_FRAM_ADDRESS + 194, (uint8_t*)mqtt_config.mqtt_password, 32);
mqtt_config.mqtt_useauth = fram->read8(IOT_FRAM_ADDRESS + 226);
fram->read(IOT_FRAM_ADDRESS + 227, (uint8_t*)mqtt_config.base_topic, 32);
}
void ESPMegaIoT::saveMqttConfig()
{
fram->write16(IOT_FRAM_ADDRESS + 128, mqtt_config.mqtt_port);
fram->write(IOT_FRAM_ADDRESS + 130, (uint8_t*)mqtt_config.mqtt_server, 32);
fram->write(IOT_FRAM_ADDRESS + 162, (uint8_t*)mqtt_config.mqtt_user, 32);
fram->write(IOT_FRAM_ADDRESS + 194, (uint8_t*)mqtt_config.mqtt_password, 32);
fram->write8(IOT_FRAM_ADDRESS + 226, mqtt_config.mqtt_useauth);
fram->write(IOT_FRAM_ADDRESS + 227, (uint8_t*)mqtt_config.base_topic, 32);
}
void ESPMegaIoT::connectToMqtt()
{
if (mqtt_config.mqtt_useauth)
this->connectToMqtt(network_config.hostname, mqtt_config.mqtt_server, mqtt_config.mqtt_port, mqtt_config.mqtt_user, mqtt_config.mqtt_password);
else
this->connectToMqtt(network_config.hostname, mqtt_config.mqtt_server, mqtt_config.mqtt_port);
}
void ESPMegaIoT::connectNetwork()
{
if (network_config.useWifi)
{
if (network_config.wifiUseAuth)
this->connectToWifi(network_config.ssid, network_config.password);
else
this->connectToWifi(network_config.ssid);
if (network_config.useStaticIp)
WiFi.config(network_config.ip, network_config.gateway, network_config.subnet);
else
WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE);
}
else
{
this->ethernetBegin();
if (network_config.useStaticIp)
ethernetIface->config(network_config.ip, network_config.gateway, network_config.subnet, network_config.dns1, network_config.dns2);
}
}
void ESPMegaIoT::setMqttConfig(MqttConfig mqtt_config)
{
this->mqtt_config = mqtt_config;
}
void ESPMegaIoT::bindEthernetInterface(ETHClass *ethernetIface)
{
this->ethernetIface = ethernetIface;
}
IoTComponent *ESPMegaIoT::getComponent(uint8_t card_id)
{
return components[card_id];
}
NetworkConfig* ESPMegaIoT::getNetworkConfig()
{
return &network_config;
}
MqttConfig* ESPMegaIoT::getMqttConfig()
{
return &mqtt_config;
}
bool ESPMegaIoT::mqttConnected()
{
return mqtt_connected;
}
bool ESPMegaIoT::networkConnected()
{
if (network_config.useWifi)
return WiFi.status() == WL_CONNECTED;
else
return ethernetIface->linkUp();
}
void ESPMegaIoT::bindFRAM(FRAM *fram)
{
this->fram = fram;
}