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Small cleanups from https://github.com/juicecultus/crosspoint-reader-x4

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This commit is contained in:
Dave Allie
2025-12-30 23:18:51 +11:00
parent 3abcd0d05d
commit 52a0b5bbe9
5 changed files with 37 additions and 24 deletions
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33
src/network/CrossPointWebServer.cpp
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@@ -50,6 +50,14 @@ void CrossPointWebServer::begin() {
Serial.printf("[%lu] [WEB] Creating web server on port %d...\n", millis(), port);
server.reset(new WebServer(port));
// Disable WiFi sleep to improve responsiveness and prevent 'unreachable' errors.
// This is critical for reliable web server operation on ESP32.
WiFi.setSleep(false);
// Note: WebServer class doesn't have setNoDelay() in the standard ESP32 library.
// We rely on disabling WiFi sleep for responsiveness.
Serial.printf("[%lu] [WEB] [MEM] Free heap after WebServer allocation: %d bytes\n", millis(), ESP.getFreeHeap());
if (!server) {
@@ -157,15 +165,16 @@ void CrossPointWebServer::handleStatus() const {
// Get correct IP based on AP vs STA mode
const String ipAddr = apMode ? WiFi.softAPIP().toString() : WiFi.localIP().toString();
String json = "{";
json += "\"version\":\"" + String(CROSSPOINT_VERSION) + "\",";
json += "\"ip\":\"" + ipAddr + "\",";
json += "\"mode\":\"" + String(apMode ? "AP" : "STA") + "\",";
json += "\"rssi\":" + String(apMode ? 0 : WiFi.RSSI()) + ","; // RSSI not applicable in AP mode
json += "\"freeHeap\":" + String(ESP.getFreeHeap()) + ",";
json += "\"uptime\":" + String(millis() / 1000);
json += "}";
JsonDocument doc;
doc["version"] = CROSSPOINT_VERSION;
doc["ip"] = ipAddr;
doc["mode"] = apMode ? "AP" : "STA";
doc["rssi"] = apMode ? 0 : WiFi.RSSI();
doc["freeHeap"] = ESP.getFreeHeap();
doc["uptime"] = millis() / 1000;
String json;
serializeJson(doc, json);
server->send(200, "application/json", json);
}
@@ -220,6 +229,7 @@ void CrossPointWebServer::scanFiles(const char* path, const std::function<void(F
}
file.close();
yield(); // Yield to allow WiFi and other tasks to process during long scans
file = root.openNextFile();
}
root.close();
@@ -254,12 +264,15 @@ void CrossPointWebServer::handleFileListData() const {
char output[512];
constexpr size_t outputSize = sizeof(output);
bool seenFirst = false;
scanFiles(currentPath.c_str(), [this, &output, seenFirst](const FileInfo& info) mutable {
JsonDocument doc;
JsonDocument doc;
scanFiles(currentPath.c_str(), [this, &output, &doc, seenFirst](const FileInfo& info) mutable {
doc.clear();
doc["name"] = info.name;
doc["size"] = info.size;
doc["isDirectory"] = info.isDirectory;
doc["isEpub"] = info.isEpub;
const size_t written = serializeJson(doc, output, outputSize);
if (written >= outputSize) {
// JSON output truncated; skip this entry to avoid sending malformed JSON