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Add Wi-Fi/TLS heap probe; limit deep+ LDF to native tests

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The deep+ dependency finder broke the framework's WiFi -> Network
include on the device build; only the native test env needs it.
The probe serial command (probe <ssid>TAB<password>) measures heap
with Wi-Fi connected and one TLS connection; credentials never touch
the repo.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EhqxQ49eCju4CzKYNjZzwT
This commit is contained in:
twisla
2026-10-02 14:32:35 +02:00
co-authored by Claude Opus 5.5
parent 0c470922bc
commit d8fe676c65
2 changed files with 42 additions and 1 deletions
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src/main.cpp
+41
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@@ -1,5 +1,7 @@
// roro9stack firmware entry point: wires Services, Apps and the UI loop together.
#include <M5Cardputer.h>
#include <NetworkClientSecure.h>
#include <WiFi.h>
#include "app_manager.h"
#include "apps/demo_app.h"
@@ -101,6 +103,41 @@ void setup() {
Serial.printf("%s %s ready, free heap %u\n", kProductName, versionString(), ESP.getFreeHeap());
}
// Dev aid (M1 step 1): heap cost of Wi-Fi and one TLS connection. Credentials come over serial only.
static void memoryProbe(const String& ssid, const String& pass) {
auto heap = [](const char* stage) {
Serial.printf("probe %-18s heap %6u min %6u largest block %6u\n", stage, ESP.getFreeHeap(),
ESP.getMinFreeHeap(), heap_caps_get_largest_free_block(MALLOC_CAP_8BIT));
};
heap("before wifi");
WiFi.mode(WIFI_STA);
WiFi.begin(ssid.c_str(), pass.c_str());
uint32_t start = millis();
while (WiFi.status() != WL_CONNECTED && millis() - start < 20000) delay(100);
if (WiFi.status() != WL_CONNECTED) {
Serial.printf("probe wifi failed, status %d\n", WiFi.status());
heap("wifi failed");
WiFi.disconnect(true);
return;
}
Serial.printf("probe wifi connected, rssi %d, ip %s\n", WiFi.RSSI(), WiFi.localIP().toString().c_str());
heap("wifi connected");
{
NetworkClientSecure tls;
tls.setInsecure(); // measurement only; M1 verifies certificates
if (tls.connect("irc.libera.chat", 6697)) {
heap("tls connected");
tls.stop();
} else {
Serial.println("probe tls connect failed");
}
}
heap("tls closed");
WiFi.disconnect(true);
WiFi.mode(WIFI_OFF);
heap("wifi off");
}
// Dev aid: serial commands to drive the UI without the keyboard.
static void serialCommands() {
static String line;
@@ -120,6 +157,10 @@ static void serialCommands() {
: k == "right" ? Key::Right : k == "back" ? Key::Back : k == "home" ? Key::Home : Key::Select;
if (!power->onKey(millis())) apps->handleKey(KeyEvent::of(key));
}
if (line.startsWith("probe ")) { // probe <ssid>\t<password>
int tab = line.indexOf('\t');
if (tab > 0) memoryProbe(line.substring(6, tab), line.substring(tab + 1));
}
if (line == "sound off") settings.setBool(Setting::Sound, false);
if (line == "sound on") settings.setBool(Setting::Sound, true);
if (line == "short") {