snark13/Xteink-X4-crosspoint-reader
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Memory cleanup

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This commit is contained in:
Brendan O'Leary 2025-12-17 20:27:38 -05:00
parent b46f872e37
commit b87a8c5dd5
2 changed files with 31 additions and 4 deletions
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14
src/CrossPointWebServer.cpp
View File

@ -68,8 +68,11 @@ void CrossPointWebServer::begin() {
return;
}
Serial.printf("[%lu] [WEB] [MEM] Free heap before begin: %d bytes\n", millis(), ESP.getFreeHeap());
Serial.printf("[%lu] [WEB] Creating web server on port %d...\n", millis(), port);
server = new WebServer(port);
Serial.printf("[%lu] [WEB] [MEM] Free heap after WebServer allocation: %d bytes\n", millis(), ESP.getFreeHeap());
if (!server) {
Serial.printf("[%lu] [WEB] Failed to create WebServer!\n", millis());
@ -92,12 +95,14 @@ void CrossPointWebServer::begin() {
server->on("/delete", HTTP_POST, [this]() { handleDelete(); });
server->onNotFound([this]() { handleNotFound(); });
Serial.printf("[%lu] [WEB] [MEM] Free heap after route setup: %d bytes\n", millis(), ESP.getFreeHeap());
server->begin();
running = true;
Serial.printf("[%lu] [WEB] Web server started on port %d\n", millis(), port);
Serial.printf("[%lu] [WEB] Access at http://%s/\n", millis(), WiFi.localIP().toString().c_str());
Serial.printf("[%lu] [WEB] [MEM] Free heap after server.begin(): %d bytes\n", millis(), ESP.getFreeHeap());
}
void CrossPointWebServer::stop() {
@ -105,12 +110,21 @@ void CrossPointWebServer::stop() {
return;
}
Serial.printf("[%lu] [WEB] [MEM] Free heap before stop: %d bytes\n", millis(), ESP.getFreeHeap());
server->stop();
Serial.printf("[%lu] [WEB] [MEM] Free heap after server->stop(): %d bytes\n", millis(), ESP.getFreeHeap());
delete server;
server = nullptr;
running = false;
Serial.printf("[%lu] [WEB] Web server stopped\n", millis());
Serial.printf("[%lu] [WEB] [MEM] Free heap after delete server: %d bytes\n", millis(), ESP.getFreeHeap());
// Note: Static upload variables (uploadFileName, uploadPath, uploadError) are declared
// later in the file and will be cleared when they go out of scope or on next upload
Serial.printf("[%lu] [WEB] [MEM] Free heap final: %d bytes\n", millis(), ESP.getFreeHeap());
}
void CrossPointWebServer::handleClient() {

21
src/activities/network/WifiScreen.cpp
View File

@ -48,24 +48,37 @@ void WifiScreen::onEnter() {
}
void WifiScreen::onExit() {
Serial.printf("[%lu] [WIFI] [MEM] Free heap at onExit start: %d bytes\n", millis(), ESP.getFreeHeap());
// Stop any ongoing WiFi scan
WiFi.scanDelete();
Serial.printf("[%lu] [WIFI] [MEM] Free heap after scanDelete: %d bytes\n", millis(), ESP.getFreeHeap());
// Stop the web server to free memory
crossPointWebServer.stop();
Serial.printf("[%lu] [WIFI] [MEM] Free heap after webserver stop: %d bytes\n", millis(), ESP.getFreeHeap());
// Disconnect WiFi to free memory
WiFi.disconnect(true);
WiFi.mode(WIFI_OFF);
Serial.printf("[%lu] [WIFI] [MEM] Free heap after WiFi disconnect: %d bytes\n", millis(), ESP.getFreeHeap());
// Wait until not rendering to delete task to avoid killing mid-instruction to EPD
xSemaphoreTake(renderingMutex, portMAX_DELAY);
// Delete the display task
if (displayTaskHandle) {
vTaskDelete(displayTaskHandle);
displayTaskHandle = nullptr;
}
vSemaphoreDelete(renderingMutex);
renderingMutex = nullptr;
// Small delay to ensure task is fully deleted before cleaning up mutex
vTaskDelay(10 / portTICK_PERIOD_MS);
// Now safe to delete the mutex
if (renderingMutex) {
vSemaphoreDelete(renderingMutex);
renderingMutex = nullptr;
}
Serial.printf("[%lu] [WIFI] [MEM] Free heap at onExit end: %d bytes\n", millis(), ESP.getFreeHeap());
}
void WifiScreen::startWifiScan() {