mirror of
https://github.com/dalathegreat/Battery-Emulator.git
synced 2025-10-03 17:59:27 +02:00
make it bulletproof
This commit is contained in:
Brett Christensen
parent
6f72d0bc40
commit
c485d7a2de
2 changed files with 105 additions and 49 deletions
|
|
@ -37,14 +37,17 @@ const char index_html[] PROGMEM = R"rawliteral(
|
|||
)rawliteral";
|
||||
|
||||
// Wifi connect time declarations and definition
|
||||
unsigned long wifi_connect_start_time;
|
||||
unsigned long wifi_connect_timeout = 5000; // Timeout for WiFi connect in milliseconds
|
||||
unsigned long wifi_monitor_loop_time = 1000; // Will check if WiFi is connected and try reconnect every x milliseconds
|
||||
const unsigned long MAX_WIFI_RECONNECT_BACKOFF_TIME = 60000; // Maximum backoff time of 1 minute
|
||||
const unsigned long DEFAULT_WIFI_RECONNECT_BACKOFF_TIME = 1000; // Default wifi reconnect backoff time. Start with 1 second
|
||||
const unsigned long WIFI_CONNECT_TIMEOUT = 5000; // Timeout for WiFi connect in milliseconds
|
||||
const unsigned long WIFI_MONITOR_LOOP_TIME = 1000; // Will check if WiFi is connected and try reconnect every x milliseconds
|
||||
unsigned long last_wifi_monitor_run = 0;
|
||||
unsigned long wifi_connect_start_time;
|
||||
unsigned long wifi_reconnect_backoff_time = DEFAULT_WIFI_RECONNECT_BACKOFF_TIME;
|
||||
|
||||
enum WiFiState { DISCONNECTED, CONNECTING, CONNECTED };
|
||||
|
||||
WiFiState wifi_state = DISCONNECTED;
|
||||
WiFiState wifi_state = DISCONNECTED; //the esp library has no specific state to indicate if its connecting (only WL_IDLE_STATUS) so we keep track of it here
|
||||
|
||||
void init_webserver() {
|
||||
// Configure WiFi
|
||||
|
|
@ -249,36 +252,89 @@ void init_webserver() {
|
|||
#endif
|
||||
}
|
||||
|
||||
// Function to handle WiFi connection
|
||||
void WiFi_monitor_loop() {
|
||||
unsigned long currentMillis = millis();
|
||||
if (currentMillis - last_wifi_monitor_run > wifi_monitor_loop_time) {
|
||||
last_wifi_monitor_run = currentMillis;
|
||||
if (WiFi.status() != WL_CONNECTED) {
|
||||
handle_WiFi_reconnection(currentMillis);
|
||||
} else if (wifi_state != CONNECTED) {
|
||||
wifi_state = CONNECTED;
|
||||
Serial.println("Wifi reconnected");
|
||||
}
|
||||
void print_wifi_status_message(wl_status_t status) {
|
||||
switch (status) {
|
||||
case WL_CONNECTED:
|
||||
Serial.println("Connected to WiFi network: " + String(ssid));
|
||||
Serial.println("IP address: " + WiFi.localIP().toString());
|
||||
Serial.println("Signal Strength: " + String(WiFi.RSSI()) + " dBm");
|
||||
break;
|
||||
case WL_CONNECT_FAILED:
|
||||
Serial.println("Failed to connect to WiFi network: " + String(ssid));
|
||||
break;
|
||||
case WL_CONNECTION_LOST:
|
||||
Serial.println("Connection to WiFi network: " + String(ssid) + " lost");
|
||||
break;
|
||||
case WL_DISCONNECTED:
|
||||
Serial.println("Disconnected from WiFi network: " + String(ssid));
|
||||
break;
|
||||
case WL_NO_SSID_AVAIL:
|
||||
Serial.println("Could not find network with SSID: " + String(ssid));
|
||||
break;
|
||||
case WL_IDLE_STATUS:
|
||||
Serial.println("WiFi is in idle status. This can indicate it is currently trying to connect.");
|
||||
break;
|
||||
case WL_SCAN_COMPLETED:
|
||||
Serial.println("WiFi scan completed");
|
||||
break;
|
||||
case WL_NO_SHIELD:
|
||||
Serial.println("No WiFi shield detected");
|
||||
break;
|
||||
default:
|
||||
Serial.println("Unknown WiFi status: " + String(status));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Function to handle WiFi reconnection
|
||||
void handle_WiFi_reconnection(unsigned long currentMillis) {
|
||||
if (wifi_state == CONNECTING && currentMillis - wifi_connect_start_time > wifi_connect_timeout) {
|
||||
// Function to handle WiFi reconnection. Use some timeouts and backoffs here to avoid flooding reconnection attempts/spamming the serial console
|
||||
void handle_WiFi_reconnection(unsigned long currentMillis, wl_status_t status) {
|
||||
if (wifi_state == CONNECTING && currentMillis - wifi_connect_start_time > WIFI_CONNECT_TIMEOUT) {
|
||||
// we are here if we were trying to connect to wifi, but it took too long (more than configured timeout)
|
||||
Serial.println("Failed to connect to WiFi network before timeout");
|
||||
print_wifi_status_message(status);
|
||||
WiFi.disconnect(); //disconnect to clear any previous settings
|
||||
wifi_state = DISCONNECTED;
|
||||
Serial.println("Failed to connect to WiFi network: " + String(ssid));
|
||||
Serial.println("Please check WiFi network name and password, and if WiFi network is available.");
|
||||
Serial.println("Will try again in " + String((wifi_monitor_loop_time - (millis() - last_wifi_monitor_run)) / 1000) +
|
||||
" seconds.");
|
||||
} else if (wifi_state != CONNECTING) {
|
||||
wifi_state = DISCONNECTED;
|
||||
Serial.println("Wifi disconnected. Attempting reconnection");
|
||||
wifi_connect_start_time = currentMillis; //reset the start time to now so backoff is respected on next try
|
||||
// We use a backoff time before trying to connect again. Increase backoff time, up to a maximum
|
||||
wifi_reconnect_backoff_time = min(wifi_reconnect_backoff_time * 2, MAX_WIFI_RECONNECT_BACKOFF_TIME);
|
||||
Serial.println("Will try again in " + String(wifi_reconnect_backoff_time / 1000) + " seconds.");
|
||||
} else if (wifi_state != CONNECTING && currentMillis - wifi_connect_start_time > wifi_reconnect_backoff_time) {
|
||||
// we are here if the connection failed for some reason and the backoff time has now passed
|
||||
wifi_state = DISCONNECTED; //set to disconnected for good measure, although it should already be
|
||||
print_wifi_status_message(status);
|
||||
init_WiFi_STA(ssid, password);
|
||||
}
|
||||
}
|
||||
|
||||
// Function to initialize WiFi in Station Mode
|
||||
// Function to handle WiFi connection
|
||||
void WiFi_monitor_loop() {
|
||||
unsigned long currentMillis = millis();
|
||||
if (currentMillis - last_wifi_monitor_run > WIFI_MONITOR_LOOP_TIME) {
|
||||
last_wifi_monitor_run = currentMillis;
|
||||
wl_status_t status = WiFi.status();
|
||||
switch (status) {
|
||||
case WL_CONNECTED:
|
||||
if (wifi_state != CONNECTED) { //we need to update our own wifi state to indicate we are connected
|
||||
wifi_reconnect_backoff_time = DEFAULT_WIFI_RECONNECT_BACKOFF_TIME; // Reset backoff time after maintaining connection
|
||||
wifi_state = CONNECTED;
|
||||
print_wifi_status_message(status);
|
||||
}
|
||||
break;
|
||||
case WL_CONNECT_FAILED:
|
||||
case WL_CONNECTION_LOST:
|
||||
case WL_DISCONNECTED:
|
||||
case WL_NO_SSID_AVAIL:
|
||||
handle_WiFi_reconnection(currentMillis, status);
|
||||
break;
|
||||
case WL_IDLE_STATUS: //this means the wifi is not ready to process any commands. do nothing
|
||||
case WL_SCAN_COMPLETED: //this will only be set when scanning for networks. We don't do that yet
|
||||
case WL_NO_SHIELD: //should not happen, this means no wifi chip detected, so we can't do much
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Function to initialize WiFi in Station Mode (i.e. connect to another access point)
|
||||
void init_WiFi_STA(const char* ssid, const char* password) {
|
||||
Serial.println("Connecting to: " + String(ssid));
|
||||
WiFi.begin(ssid, password);
|
||||
|
|
@ -286,6 +342,20 @@ void init_WiFi_STA(const char* ssid, const char* password) {
|
|||
wifi_connect_start_time = millis();
|
||||
}
|
||||
|
||||
// Function to convert WiFiState enum to String
|
||||
String wifi_state_to_string(WiFiState state) {
|
||||
switch (state) {
|
||||
case DISCONNECTED:
|
||||
return "Disconnected";
|
||||
case CONNECTING:
|
||||
return "Connecting";
|
||||
case CONNECTED:
|
||||
return "Connected";
|
||||
default:
|
||||
return "Unknown";
|
||||
}
|
||||
}
|
||||
|
||||
// Function to initialize WiFi in Access Point Mode
|
||||
void init_WiFi_AP() {
|
||||
Serial.println("Creating Access Point: " + String(ssidAP));
|
||||
|
|
@ -305,20 +375,6 @@ void init_ElegantOTA() {
|
|||
ElegantOTA.onEnd(onOTAEnd);
|
||||
}
|
||||
|
||||
// Function to convert WiFiState enum to String
|
||||
String wifi_state_to_string(WiFiState state) {
|
||||
switch (state) {
|
||||
case DISCONNECTED:
|
||||
return "Disconnected";
|
||||
case CONNECTING:
|
||||
return "Connecting";
|
||||
case CONNECTED:
|
||||
return "Connected";
|
||||
default:
|
||||
return "Unknown";
|
||||
}
|
||||
}
|
||||
|
||||
String processor(const String& var) {
|
||||
if (var == "PLACEHOLDER") {
|
||||
String content = "";
|
||||
|
|
|
|||
|
|
@ -90,14 +90,14 @@ void init_WiFi_STA(const char* ssid, const char* password);
|
|||
*/
|
||||
void WiFi_monitor_loop();
|
||||
|
||||
/**
|
||||
* @brief Function to handle WiFi reconnection.
|
||||
*
|
||||
* @param[in] void
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
void handle_WiFi_reconnection(unsigned long currentMillis);
|
||||
// /**
|
||||
// * @brief Function to handle WiFi reconnection.
|
||||
// *
|
||||
// * @param[in] void
|
||||
// *
|
||||
// * @return void
|
||||
// */
|
||||
// void handle_WiFi_reconnection(unsigned long currentMillis);
|
||||
|
||||
/**
|
||||
* @brief Initialization function for ElegantOTA.
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue