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Allow WiFi credentials to be set at runtime

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Store ssid/pwd in NodePrefs and set them with 'set wifi.ssid' /
'set wifi.pwd' over USB serial; build-time WIFI_SSID/WIFI_PWD stay as
the fallback. Headless WiFi builds get the config CLI on Serial, which
is otherwise unused there.
This commit is contained in:
Michael Graff
2026-09-05 23:15:13 -05:00
parent 0b2c47a932
commit 739a67c9f1
3 changed files with 71 additions and 3 deletions
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examples/companion_radio/main.cpp
+11 -2
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@@ -110,6 +110,8 @@ void halt() {
#ifdef WIFI_SSID
bool wifi_needs_reconnect = false;
unsigned long last_wifi_reconnect_attempt = 0;
const char* wifi_ssid = WIFI_SSID; // replaced by stored prefs, if set
const char* wifi_pwd = WIFI_PWD;
#endif
void setup() {
@@ -206,7 +208,14 @@ void setup() {
});
#endif
WiFi.begin(WIFI_SSID, WIFI_PWD);
// stored credentials win over the build-time ones ('set wifi.ssid <x>' over USB serial)
if (the_mesh.getNodePrefs()->wifi_ssid[0]) {
wifi_ssid = the_mesh.getNodePrefs()->wifi_ssid;
wifi_pwd = the_mesh.getNodePrefs()->wifi_pwd;
}
WIFI_DEBUG_PRINTLN("connecting to %s", wifi_ssid);
WiFi.begin(wifi_ssid, wifi_pwd);
wifi_interface.begin(TCP_PORT);
interface_manager.addInterface(InterfaceType::WiFi, &wifi_interface);
#endif
@@ -273,7 +282,7 @@ void loop() {
if (wifi_needs_reconnect && (millis() - last_wifi_reconnect_attempt > 10000)) {
WIFI_DEBUG_PRINTLN("Attempting manual WiFi reconnect...");
#if defined(RP2040_PLATFORM)
WiFi.begin(WIFI_SSID, WIFI_PWD); // no reconnect() on this platform
WiFi.begin(wifi_ssid, wifi_pwd); // no reconnect() on this platform
#else
WiFi.disconnect();
WiFi.reconnect();