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This commit is contained in:
David Gwilliam
2026-02-13 20:21:11 -08:00
parent 09252ca585
commit 6823b0ac21
1 changed files with 35 additions and 12 deletions
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47
sketches/doorbell-touch/doorbell-touch.ino
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@@ -31,7 +31,8 @@
struct WiFiCred { const char *ssid; const char *pass; };
WiFiCred wifiNetworks[] = {
{ "Dobro Veče", "goodnight" },
{ "iot-2GHz", "lesson-greater" },
{ "berylpunk", "dhgwilliam" },
// { "iot-2GHz", "lesson-greater" },
};
const int NUM_WIFI = sizeof(wifiNetworks) / sizeof(wifiNetworks[0]);
WiFiMulti wifiMulti;
@@ -447,23 +448,45 @@ void parseMessages(String &response, const char *topicName,
bool networkOK = false;
void checkNetwork() {
Serial.printf("[NET] WiFi: %s RSSI: %d IP: %s GW: %s DNS: %s\n",
WiFi.SSID().c_str(),
WiFi.RSSI(),
WiFi.localIP().toString().c_str(),
WiFi.gatewayIP().toString().c_str(),
WiFi.dnsIP().toString().c_str());
Serial.printf("[NET] WiFi: %s RSSI: %d IP: %s\n",
WiFi.SSID().c_str(), WiFi.RSSI(), WiFi.localIP().toString().c_str());
Serial.printf("[NET] GW: %s DNS: %s\n",
WiFi.gatewayIP().toString().c_str(), WiFi.dnsIP().toString().c_str());
Serial.flush();
// Test DNS resolution
// Test DNS
IPAddress ip;
if (WiFi.hostByName("ntfy.sh", ip)) {
Serial.printf("[NET] ntfy.sh resolved to %s\n", ip.toString().c_str());
if (!WiFi.hostByName("ntfy.sh", ip)) {
Serial.println("[NET] *** DNS FAILED ***");
networkOK = false;
return;
}
Serial.printf("[NET] ntfy.sh -> %s\n", ip.toString().c_str());
// Test TCP connectivity on port 80
WiFiClient testClient;
Serial.println("[NET] Testing TCP to ntfy.sh:80...");
Serial.flush();
if (testClient.connect("ntfy.sh", 80, 5000)) {
Serial.println("[NET] TCP port 80 OK!");
testClient.stop();
networkOK = true;
} else {
Serial.println("[NET] *** DNS FAILED for ntfy.sh ***");
networkOK = false;
Serial.println("[NET] *** TCP port 80 BLOCKED ***");
}
// Test TCP connectivity on port 443
WiFiClient testClient2;
Serial.println("[NET] Testing TCP to ntfy.sh:443...");
Serial.flush();
if (testClient2.connect("ntfy.sh", 443, 5000)) {
Serial.println("[NET] TCP port 443 OK!");
testClient2.stop();
networkOK = true;
} else {
Serial.println("[NET] *** TCP port 443 BLOCKED ***");
}
Serial.flush();
}