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Merge pull request #31 from grandeurtech/v1.0.5
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V1.0.5: Solves the recent ESP8266 crashing issue.
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@moizhusnain
moizhusnain authored Aug 9, 2021
2 parents c11947a + c6852b3 commit cc12efc
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Showing 19 changed files with 922 additions and 656 deletions.
106 changes: 61 additions & 45 deletions examples/CrossListening/CrossListening-esp32/CrossListening-esp32.ino
View file
Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,8 @@
String apiKey = "YOUR-PROJECT-APIKEY";
String deviceID = "YOUR-DEVICE-ID";
String token = "YOUR-ACCESS-TOKEN";
const char* ssid = "YOUR-WIFI-SSID";
const char* passphrase = "YOUR-WIFI-PASSWORD";
const char *ssid = "YOUR-WIFI-SSID";
const char *passphrase = "YOUR-WIFI-PASSWORD";

// Handles our 5 second timer in loop().
unsigned long currentTime = millis();
Expand All @@ -49,11 +49,12 @@ void startWiFi(void);
// Handles Grandeur connection/disconnection events.
void GrandeurConnectionCallback(bool state);
// Data get/set/update callback functions:
void initializeStatePin(const char* code, bool state);
void setStatePinToNewValue(const char* path, bool state);
void afterVoltageIsUpdated(const char* code, int voltage);
void initializeStatePin(const char *code, bool state);
void setStatePinToNewValue(const char *path, bool state);
void afterVoltageIsUpdated(const char *code, int voltage);

void setup() {
void setup()
{
.begin(9600);
startWiFi();
// This initializes the SDK's configurations and returns reference to your project.
Expand All @@ -69,11 +70,14 @@ void setup() {
Serial.println("Listening for state update from Grandeur...");
}

void loop() {
void loop()
{
// In this loop() function, after every five seconds, we send the updated values of our
// device's voltage to Grandeur.
if(project.isConnected()) {
if(millis() - currentTime >= 5000) {
if (project.isConnected())
{
if (millis() - currentTime >= 5000)
{
// This if-condition makes sure that the code inside this block runs only after
// every five seconds.

Expand All @@ -89,25 +93,30 @@ void loop() {
}

// This runs the SDK only when the WiFi is connected.
project.loop(WiFi.status() == WL_CONNECTED);
if (WiFi.status() == WL_CONNECTED)
project.loop();
}

void WiFiEventCallback(WiFiEvent_t event) {
switch(event) {
case SYSTEM_EVENT_STA_GOT_IP:
// This runs when the device connects with WiFi.
Serial.printf("\nDevice has successfully connected to WiFi. Its IP Address is: %s\n",
WiFi.localIP().toString().c_str());
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
// This runs when the device disconnects with WiFi.
Serial.println("Device is disconnected from WiFi.");
break;
default: break;
void WiFiEventCallback(WiFiEvent_t event)
{
switch (event)
{
case SYSTEM_EVENT_STA_GOT_IP:
// This runs when the device connects with WiFi.
Serial.printf("\nDevice has successfully connected to WiFi. Its IP Address is: %s\n",
WiFi.localIP().toString().c_str());
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
// This runs when the device disconnects with WiFi.
Serial.println("Device is disconnected from WiFi.");
break;
default:
break;
}
}

void startWiFi(void) {
void startWiFi(void)
{
// Disconnecting WiFi if it"s already connected
WiFi.disconnect();
// Setting it to Station mode which basically scans for nearby WiFi routers
Expand All @@ -119,29 +128,33 @@ void startWiFi(void) {
Serial.printf("\nDevice is connecting to WiFi using SSID %s and Passphrase %s.\n", ssid, passphrase);
}

void GrandeurConnectionCallback(bool status) {
switch(status) {
case CONNECTED: // Expands to true.
Serial.println("Device is connected with Grandeur.");
// On successful connection with Grandeur, we initialize the device's *state*.
// To do that, we get device state from Grandeur and set the *state pin* to its
// value.
data.get("state", initializeStatePin);

// Initializing the millis counter for the five
// seconds timer.
currentTime = millis();
break;
case DISCONNECTED: // Expands to false.
Serial.println("Device's connection with Grandeur is broken.");
break;
void GrandeurConnectionCallback(bool status)
{
switch (status)
{
case CONNECTED: // Expands to true.
Serial.println("Device is connected with Grandeur.");
// On successful connection with Grandeur, we initialize the device's *state*.
// To do that, we get device state from Grandeur and set the *state pin* to its
// value.
data.get("state", initializeStatePin);

// Initializing the millis counter for the five
// seconds timer.
currentTime = millis();
break;
case DISCONNECTED: // Expands to false.
Serial.println("Device's connection with Grandeur is broken.");
break;
}
}

void initializeStatePin(const char* code, bool state) {
void initializeStatePin(const char *code, bool state)
{
// This function sets the *state pin* to the *state value* that we received in data
// from Grandeur.
if(strcmp(code, "DEVICE-DATA-FETCHED") == 0) {
if (strcmp(code, "DEVICE-DATA-FETCHED") == 0)
{
Serial.printf("State is: %d\n", state);
digitalWrite(statePin, state);
return;
Expand All @@ -151,16 +164,19 @@ void initializeStatePin(const char* code, bool state) {
return;
}

void setStatePinToNewValue(const char* path, bool state) {
void setStatePinToNewValue(const char *path, bool state)
{
// This function sets the *state pin* to state value.
Serial.printf("Updated State is: %d\n", state);
digitalWrite(statePin, state);
}

void afterVoltageIsUpdated(const char* code, int voltage) {
if(strcmp(code, "DEVICE-DATA-UPDATED") == 0) {
void afterVoltageIsUpdated(const char *code, int voltage)
{
if (strcmp(code, "DEVICE-DATA-UPDATED") == 0)
{
Serial.printf("Voltage is updated to: %d\n", voltage);

/* You can set some pins or trigger events here which depend on successful
** voltage update.
*/
Expand Down
99 changes: 57 additions & 42 deletions examples/CrossListening/CrossListening-esp8266/CrossListening-esp8266.ino
View file
Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,8 @@
String apiKey = "YOUR-PROJECT-APIKEY";
String deviceID = "YOUR-DEVICE-ID";
String token = "YOUR-ACCESS-TOKEN";
const char* ssid = "YOUR-WIFI-SSID";
const char* passphrase = "YOUR-WIFI-PASSWORD";
const char *ssid = "YOUR-WIFI-SSID";
const char *passphrase = "YOUR-WIFI-PASSWORD";

// Handles our 5 second timer in loop().
unsigned long currentTime = millis();
Expand All @@ -50,11 +50,12 @@ void startWiFi(void);
// Handles Grandeur connection/disconnection events.
void GrandeurConnectionCallback(bool state);
// Data get/set/update callback functions:
void initializeStatePin(const char* code, bool state);
void setStatePinToNewValue(const char* path, bool state);
void afterVoltageIsUpdated(const char* code, int voltage);
void initializeStatePin(const char *code, bool state);
void setStatePinToNewValue(const char *path, bool state);
void afterVoltageIsUpdated(const char *code, int voltage);

void setup() {
void setup()
{
Serial.begin(9600);
startWiFi();
// This initializes the SDK's configurations and returns reference to your project.
Expand All @@ -70,11 +71,14 @@ void setup() {
Serial.println("Listening for state update from Grandeur...");
}

void loop() {
void loop()
{
// In this loop() function, after every five seconds, we send the updated values of our
// device's voltage to Grandeur.
if(project.isConnected()) {
if(millis() - currentTime >= 5000) {
if (project.isConnected())
{
if (millis() - currentTime >= 5000)
{
// This if-condition makes sure that the code inside this block runs only after
// every five seconds.

Expand All @@ -90,52 +94,60 @@ void loop() {
}

// This runs the SDK only when the WiFi is connected.
project.loop(WiFi.status() == WL_CONNECTED);
if (WiFi.status() == WL_CONNECTED)
project.loop();
}

void startWiFi(void) {
void startWiFi(void)
{
// Disconnecting WiFi if it"s already connected
WiFi.disconnect();
// Setting it to Station mode which basically scans for nearby WiFi routers
WiFi.mode(WIFI_STA);
// Setting WiFi event handlers
onWiFiConnectedHandler = WiFi.onStationModeGotIP([](const WiFiEventStationModeGotIP& event) {
// This runs when the device connects with WiFi.
Serial.printf("\nDevice has successfully connected to WiFi. Its IP Address is: %s\n",
WiFi.localIP().toString().c_str());
});
onWiFiDisconnectedHandler = WiFi.onStationModeDisconnected([](const WiFiEventStationModeDisconnected& event) {
// This runs when the device disconnects with WiFi.
Serial.println("Device is disconnected from WiFi.");
});
onWiFiConnectedHandler = WiFi.onStationModeGotIP([](const WiFiEventStationModeGotIP &event)
{
// This runs when the device connects with WiFi.
Serial.printf("\nDevice has successfully connected to WiFi. Its IP Address is: %s\n",
WiFi.localIP().toString().c_str());
});
onWiFiDisconnectedHandler = WiFi.onStationModeDisconnected([](const WiFiEventStationModeDisconnected &event)
{
// This runs when the device disconnects with WiFi.
Serial.println("Device is disconnected from WiFi.");
});
// Begin connecting to WiFi
WiFi.begin(ssid, passphrase);
Serial.printf("\nDevice is connecting to WiFi using SSID %s and Passphrase %s.\n", ssid.c_str(), passphrase.c_str());
}

void GrandeurConnectionCallback(bool status) {
switch(status) {
case CONNECTED: // Expands to true.
Serial.println("Device is connected with Grandeur.");
// On successful connection with Grandeur, we initialize the device's *state*.
// To do that, we get device state from Grandeur and set the *state pin* to its
// value.
data.get("state", initializeStatePin);

// Initializing the millis counter for the five
// seconds timer.
currentTime = millis();
break;
case DISCONNECTED: // Expands to false.
Serial.println("Device's connection with Grandeur is broken.");
break;
void GrandeurConnectionCallback(bool status)
{
switch (status)
{
case CONNECTED: // Expands to true.
Serial.println("Device is connected with Grandeur.");
// On successful connection with Grandeur, we initialize the device's *state*.
// To do that, we get device state from Grandeur and set the *state pin* to its
// value.
data.get("state", initializeStatePin);

// Initializing the millis counter for the five
// seconds timer.
currentTime = millis();
break;
case DISCONNECTED: // Expands to false.
Serial.println("Device's connection with Grandeur is broken.");
break;
}
}

void initializeStatePin(const char* code, bool state) {
void initializeStatePin(const char *code, bool state)
{
// This function sets the *state pin* to the *state value* that we received in data
// from Grandeur.
if(strcmp(code, "DEVICE-DATA-FETCHED") == 0) {
if (strcmp(code, "DEVICE-DATA-FETCHED") == 0)
{
Serial.printf("State is: %d\n", state);
digitalWrite(statePin, state);
return;
Expand All @@ -145,16 +157,19 @@ void initializeStatePin(const char* code, bool state) {
return;
}

void setStatePinToNewValue(const char* path, bool state) {
void setStatePinToNewValue(const char *path, bool state)
{
// This function sets the *state pin* to state value.
Serial.printf("Updated State is: %d\n", state);
digitalWrite(statePin, state);
}

void afterVoltageIsUpdated(const char* code, int voltage) {
if(strcmp(code, "DEVICE-DATA-UPDATED") == 0) {
void afterVoltageIsUpdated(const char *code, int voltage)
{
if (strcmp(code, "DEVICE-DATA-UPDATED") == 0)
{
Serial.printf("Voltage is updated to: %d\n", voltage);

/* You can set some pins or trigger events here which depend on successful
** voltage update.
*/
Expand Down
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