Wait when trying to play a webstream while connecting to wifi

The previous code had some issues. First of all, with
DONT_ACCEPT_SAME_RFID_TWICE it would not work at all. But without a
change, not even that works correctly (due to gTriedToConnectToHost
never being set).

IMHO the code is simplified a lot. The whole control flow can be
simplified if we just wait until a connection try hast completed.

Author: Sascha

src/AudioPlayer.cpp

@@ -693,9 +693,12 @@ void AudioPlayer_Task(void *parameter) {
 			audioReturnCode = false;
 
 			if (gPlayProperties.playMode == WEBSTREAM || (gPlayProperties.playMode == LOCAL_M3U && gPlayProperties.isWebstream)) { // Webstream
+				// wait for wlan to connect or fail to connect before continuing
+				while (Wlan_ConnectionTryInProgress()) {
+					vTaskDelay(portTICK_PERIOD_MS * 100u);
+				}
 				audioReturnCode = audio->connecttohost(*(gPlayProperties.playlist + gPlayProperties.currentTrackNumber));
 				gPlayProperties.playlistFinished = false;
-				gTriedToConnectToHost = true;
 			} else if (gPlayProperties.playMode != WEBSTREAM && !gPlayProperties.isWebstream) {
 				// Files from SD
 				if (!gFSystem.exists(*(gPlayProperties.playlist + gPlayProperties.currentTrackNumber))) { // Check first if file/folder exists
@@ -1081,13 +1084,7 @@ void AudioPlayer_TrackQueueDispatcher(const char *_itemToPlay, const uint32_t _l
 
 		case WEBSTREAM: { // This is always just one "track"
 			Log_Println(modeWebstream, LOGLEVEL_NOTICE);
-			if (Wlan_IsConnected()) {
-				xQueueSend(gTrackQueue, &(musicFiles), 0);
-			} else {
-				Log_Println(webstreamNotAvailable, LOGLEVEL_ERROR);
-				System_IndicateError();
-				gPlayProperties.playMode = NO_PLAYLIST;
-			}
+			xQueueSend(gTrackQueue, &(musicFiles), 0);
 			break;
 		}
 

src/LogMessages_DE.cpp

@@ -75,7 +75,6 @@ const char modeAllTrackAlphSortedLoop[] = "Modus: Alle Tracks eines Ordners sort
 const char modeAllTrackRandomLoop[] = "Modus: Alle Tracks eines Ordners zufällig in Endlosschleife";
 const char modeWebstream[] = "Modus: Webstream";
 const char modeWebstreamM3u[] = "Modus: Webstream (lokale .m3u-Datei)";
-const char webstreamNotAvailable[] = "Aktuell kein Webstream möglich, da keine WLAN-Verbindung vorhanden!";
 const char modeInvalid[] = "Ungültiger Abspielmodus %d!";
 const char modeRepeatNone[] = "Repeatmodus: Kein Repeat";
 const char modeRepeatTrack[] = "Repeatmodus: Aktueller Titel";

src/LogMessages_EN.cpp

@@ -75,7 +75,6 @@ const char modeAllTrackAlphSortedLoop[] = "Mode: all tracks (in alph. order) of
 const char modeAllTrackRandomLoop[] = "Mode: all tracks (in random order) of directory as infinite loop";
 const char modeWebstream[] = "Mode: webstream";
 const char modeWebstreamM3u[] = "Mode: Webstream (local .m3u-file)";
-const char webstreamNotAvailable[] = "Unable to access webstream as no wifi-connection is available!";
 const char modeDoesNotExist[] = "Playmode does not exist!";
 const char modeRepeatNone[] = "Repeatmode: no repeat";
 const char modeRepeatTrack[] = "Repeatmode: current track";

src/Wlan.cpp

@@ -333,13 +333,6 @@ void handleWifiStateConnectionSuccess() {
 	delete dnsServer;
 	dnsServer = nullptr;
 
-#ifdef PLAY_LAST_RFID_AFTER_REBOOT
-	if (gPlayLastRfIdWhenWiFiConnected && gTriedToConnectToHost) {
-		gPlayLastRfIdWhenWiFiConnected = false;
-		recoverLastRfidPlayedFromNvs(true);
-	}
-#endif
-
 	wifiState = WIFI_STATE_CONNECTED;
 }
 
@@ -547,7 +540,7 @@ bool Wlan_DeleteNetwork(String ssid) {
 }
 
 bool Wlan_ConnectionTryInProgress(void) {
-	return wifiState == WIFI_STATE_SCAN_CONN;
+	return wifiState == WIFI_STATE_INIT || wifiState == WIFI_STATE_CONNECT_LAST || wifiState == WIFI_STATE_SCAN_CONN;
 }
 
 String Wlan_GetIpAddress(void) {

src/logmessages.h

@@ -71,7 +71,6 @@ extern const char modeAllTrackAlphSortedLoop[];
 extern const char modeAllTrackRandomLoop[];
 extern const char modeWebstream[];
 extern const char modeWebstreamM3u[];
-extern const char webstreamNotAvailable[];
 extern const char modeInvalid[];
 extern const char modeRepeatNone[];
 extern const char modeRepeatTrack[];

src/main.cpp

@@ -30,9 +30,6 @@
 
 #include <Wire.h>
 
-bool gPlayLastRfIdWhenWiFiConnected = false;
-bool gTriedToConnectToHost = false;
-
 static constexpr const char *logo = R"literal(
  _____   ____    ____            _
 | ____| / ___|  |  _ \   _   _  (_)  _ __     ___
@@ -49,13 +46,6 @@ bool testSPIRAM(void) {
 	return true;
 }
 
-#ifdef PLAY_LAST_RFID_AFTER_REBOOT
-bool recoverLastRfid = true;
-bool recoverBootCount = true;
-bool resetBootCount = false;
-uint32_t bootCount = 0;
-#endif
-
 ////////////
 
 #if (HAL == 2)
@@ -75,49 +65,43 @@ TwoWire i2cBusTwo = TwoWire(1);
 // At start of a boot, bootCount is incremented by one and after 30s decremented because
 // uptime of 30s is considered as "successful boot".
 void recoverBootCountFromNvs(void) {
-	if (recoverBootCount) {
-		recoverBootCount = false;
-		resetBootCount = true;
-		bootCount = gPrefsSettings.getUInt("bootCount", 999);
-
-		if (bootCount == 999) { // first init
-			bootCount = 1;
-			gPrefsSettings.putUInt("bootCount", bootCount);
-		} else if (bootCount >= 3) { // considered being a bootloop => don't recover last rfid!
-			bootCount = 1;
-			gPrefsSettings.putUInt("bootCount", bootCount);
-			gPrefsSettings.putString("lastRfid", "-1"); // reset last rfid
-			Log_Println(bootLoopDetected, LOGLEVEL_ERROR);
-			recoverLastRfid = false;
-		} else { // normal operation
-			gPrefsSettings.putUInt("bootCount", ++bootCount);
-		}
-	}
+	uint32_t bootCount = gPrefsSettings.getUInt("bootCount", 999);
 
-	if (resetBootCount && millis() >= 30000) { // reset bootcount
-		resetBootCount = false;
-		bootCount = 0;
+	if (bootCount == 999) { // first init
+		bootCount = 1;
 		gPrefsSettings.putUInt("bootCount", bootCount);
+	} else if (bootCount >= 3) { // considered being a bootloop => don't recover last rfid!
+		bootCount = 1;
+		gPrefsSettings.putUInt("bootCount", bootCount);
+		gPrefsSettings.remove("lastRfid"); // reset last rfid
+		Log_Println(bootLoopDetected, LOGLEVEL_ERROR);
+	} else { // normal operation
+		gPrefsSettings.putUInt("bootCount", ++bootCount);
+	}
+}
+
+void resetBootCount(void) {
+	static bool wasReset = false;
+
+	if (!wasReset && millis() >= 30000) { // reset bootcount
+		wasReset = true;
+		gPrefsSettings.putUInt("bootCount", 0);
 		Log_Println(noBootLoopDetected, LOGLEVEL_INFO);
 	}
 }
 
 // Get last RFID-tag applied from NVS
-void recoverLastRfidPlayedFromNvs(bool force) {
-	if (recoverLastRfid || force) {
-		if (System_GetOperationMode() == OPMODE_BLUETOOTH_SINK) { // Don't recover if BT-mode is desired
-			recoverLastRfid = false;
-			return;
-		}
-		recoverLastRfid = false;
-		String lastRfidPlayed = gPrefsSettings.getString("lastRfid", "-1");
-		if (!lastRfidPlayed.compareTo("-1")) {
-			Log_Println(unableToRestoreLastRfidFromNVS, LOGLEVEL_INFO);
-		} else {
-			xQueueSend(gRfidCardQueue, lastRfidPlayed.c_str(), 0);
-			gPlayLastRfIdWhenWiFiConnected = !force;
-			Log_Printf(LOGLEVEL_INFO, restoredLastRfidFromNVS, lastRfidPlayed.c_str());
-		}
+void recoverLastRfidPlayedFromNvs() {
+	if (System_GetOperationMode() == OPMODE_BLUETOOTH_SINK) { // Don't recover if BT-mode is desired
+		return;
+	}
+
+	String lastRfidPlayed = gPrefsSettings.getString("lastRfid", "-1");
+	if (!lastRfidPlayed.compareTo("-1")) {
+		Log_Println(unableToRestoreLastRfidFromNVS, LOGLEVEL_INFO);
+	} else {
+		xQueueSend(gRfidCardQueue, lastRfidPlayed.c_str(), 0);
+		Log_Printf(LOGLEVEL_INFO, restoredLastRfidFromNVS, lastRfidPlayed.c_str());
 	}
 }
 #endif
@@ -240,6 +224,11 @@ void setup() {
 #ifdef CONTROLS_LOCKED_BY_DEFAULT
 	System_SetLockControls(true);
 #endif
+
+#ifdef PLAY_LAST_RFID_AFTER_REBOOT
+	recoverBootCountFromNvs();
+	recoverLastRfidPlayedFromNvs();
+#endif
 }
 
 void loop() {
@@ -269,8 +258,7 @@ void loop() {
 	Rfid_PreferenceLookupHandler();
 
 #ifdef PLAY_LAST_RFID_AFTER_REBOOT
-	recoverBootCountFromNvs();
-	recoverLastRfidPlayedFromNvs();
+	resetBootCount();
 #endif
 
 	IrReceiver_Cyclic();

src/main.h

@@ -1,8 +1 @@
 #pragma once
-
-extern bool gPlayLastRfIdWhenWiFiConnected;
-extern bool gTriedToConnectToHost;
-
-#ifdef PLAY_LAST_RFID_AFTER_REBOOT
-extern void recoverLastRfidPlayedFromNvs(bool force = false);
-#endif