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Add WiFi companion support for Pico W

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SerialWifiInterface has no ESP32-specific code, so move it to
helpers/wifi and reuse it on RP2040. Guard the ESP32-only WiFi
event/auto-reconnect calls and poll link state on RP2040 instead.
This commit is contained in:
Michael Graff
2026-09-05 23:15:13 -05:00
parent 65aa1138ae
commit 0b2c47a932
5 changed files with 34 additions and 21 deletions
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examples/companion_radio/main.cpp
+17 -7
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@@ -36,9 +36,8 @@ MultiSerialInterface interface_manager;
#ifndef TCP_PORT
#define TCP_PORT 5000
#endif
#ifdef ESP32
// include esp32 wifi interface
#include <helpers/esp32/SerialWifiInterface.h>
#if defined(ESP32) || defined(RP2040_PLATFORM)
#include <helpers/wifi/SerialWifiInterface.h>
SerialWifiInterface wifi_interface;
#else
#error "SerialWifiInterface is not defined for this platform"
@@ -108,7 +107,7 @@ void halt() {
}
/* WIFI RECONNECT TRACKERS */
#if defined(ESP32) && defined(WIFI_SSID)
#ifdef WIFI_SSID
bool wifi_needs_reconnect = false;
unsigned long last_wifi_reconnect_attempt = 0;
#endif
@@ -192,6 +191,7 @@ void setup() {
// add wifi interface
#ifdef WIFI_SSID
#if defined(ESP32)
board.setInhibitSleep(true); // prevent sleep when WiFi is active
WiFi.setAutoReconnect(true);
@@ -204,6 +204,7 @@ void setup() {
wifi_needs_reconnect = false;
}
});
#endif
WiFi.begin(WIFI_SSID, WIFI_PWD);
wifi_interface.begin(TCP_PORT);
@@ -262,12 +263,21 @@ void loop() {
#endif
}
#if defined(ESP32) && defined(WIFI_SSID)
#ifdef WIFI_SSID
// RP2040 has no WiFi event callbacks, so poll the link state instead
#if defined(RP2040_PLATFORM)
wifi_needs_reconnect = (WiFi.status() != WL_CONNECTED);
#endif
// Safely attempt to reconnect every 10 seconds if flagged
if (wifi_needs_reconnect && (millis() - last_wifi_reconnect_attempt > 10000)) {
WIFI_DEBUG_PRINTLN("Attempting manual WiFi reconnect...");
WiFi.disconnect();
WiFi.reconnect();
#if defined(RP2040_PLATFORM)
WiFi.begin(WIFI_SSID, WIFI_PWD); // no reconnect() on this platform
#else
WiFi.disconnect();
WiFi.reconnect();
#endif
last_wifi_reconnect_attempt = millis();
}
#endif