Added support for progmem debug messages

code/espurna/config/debug.h

@@ -1,5 +1,7 @@
 #ifdef DEBUG_PORT
     #define DEBUG_MSG(...) DEBUG_PORT.printf( __VA_ARGS__ )
+    #define DEBUG_MSG_P(...) { char buffer[81]; snprintf_P(buffer, 80, __VA_ARGS__ ); DEBUG_PORT.printf( buffer ); }
 #else
     #define DEBUG_MSG(...)
+    #define DEBUG_MSG_P(...)
 #endif

code/espurna/wifi.ino

@@ -87,34 +87,34 @@ void wifiConfigure() {
 void wifiStatus() {
 
     if (WiFi.getMode() == WIFI_AP_STA) {
-        DEBUG_MSG("[WIFI] MODE AP + STA --------------------------------\n");
+        DEBUG_MSG_P(PSTR("[WIFI] MODE AP + STA --------------------------------\n"));
     } else if (WiFi.getMode() == WIFI_AP) {
-        DEBUG_MSG("[WIFI] MODE AP --------------------------------------\n");
+        DEBUG_MSG_P(PSTR("[WIFI] MODE AP --------------------------------------\n"));
     } else if (WiFi.getMode() == WIFI_STA) {
-        DEBUG_MSG("[WIFI] MODE STA -------------------------------------\n");
+        DEBUG_MSG_P(PSTR("[WIFI] MODE STA -------------------------------------\n"));
     } else {
-        DEBUG_MSG("[WIFI] MODE OFF -------------------------------------\n");
-        DEBUG_MSG("[WIFI] No connection\n");
+        DEBUG_MSG_P(PSTR("[WIFI] MODE OFF -------------------------------------\n"));
+        DEBUG_MSG_P(PSTR("[WIFI] No connection\n"));
     }
 
     if ((WiFi.getMode() & WIFI_AP) == WIFI_AP) {
-        DEBUG_MSG("[WIFI] SSID %s\n", jw.getAPSSID().c_str());
-        DEBUG_MSG("[WIFI] PASS %s\n", getSetting("adminPass", ADMIN_PASS).c_str());
-        DEBUG_MSG("[WIFI] IP   %s\n", WiFi.softAPIP().toString().c_str());
-        DEBUG_MSG("[WIFI] MAC  %s\n", WiFi.softAPmacAddress().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] SSID %s\n"), jw.getAPSSID().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] PASS %s\n"), getSetting("adminPass", ADMIN_PASS).c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] IP   %s\n"), WiFi.softAPIP().toString().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] MAC  %s\n"), WiFi.softAPmacAddress().c_str());
     }
 
     if ((WiFi.getMode() & WIFI_STA) == WIFI_STA) {
-        DEBUG_MSG("[WIFI] SSID %s\n", WiFi.SSID().c_str());
-        DEBUG_MSG("[WIFI] IP   %s\n", WiFi.localIP().toString().c_str());
-        DEBUG_MSG("[WIFI] MAC  %s\n", WiFi.macAddress().c_str());
-        DEBUG_MSG("[WIFI] GW   %s\n", WiFi.gatewayIP().toString().c_str());
-        DEBUG_MSG("[WIFI] MASK %s\n", WiFi.subnetMask().toString().c_str());
-        DEBUG_MSG("[WIFI] DNS  %s\n", WiFi.dnsIP().toString().c_str());
-        DEBUG_MSG("[WIFI] HOST %s\n", WiFi.hostname().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] SSID %s\n"), WiFi.SSID().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] IP   %s\n"), WiFi.localIP().toString().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] MAC  %s\n"), WiFi.macAddress().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] GW   %s\n"), WiFi.gatewayIP().toString().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] DNS  %s\n"), WiFi.dnsIP().toString().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] MASK %s\n"), WiFi.subnetMask().toString().c_str());
+        DEBUG_MSG_P(PSTR("[WIFI] HOST %s\n"), WiFi.hostname().c_str());
     }
 
-    DEBUG_MSG("[WIFI] ----------------------------------------------\n");
+    DEBUG_MSG_P(PSTR("[WIFI] ----------------------------------------------\n"));
 
 }
 
@@ -128,27 +128,27 @@ void wifiSetup() {
 		#ifdef DEBUG_PORT
 
 		    if (code == MESSAGE_SCANNING) {
-		        DEBUG_MSG("[WIFI] Scanning\n");
+		        DEBUG_MSG_P(PSTR("[WIFI] Scanning\n"));
 		    }
 
 		    if (code == MESSAGE_SCAN_FAILED) {
-		        DEBUG_MSG("[WIFI] Scan failed\n");
+		        DEBUG_MSG_P(PSTR("[WIFI] Scan failed\n"));
 		    }
 
 		    if (code == MESSAGE_NO_NETWORKS) {
-		        DEBUG_MSG("[WIFI] No networks found\n");
+		        DEBUG_MSG_P(PSTR("[WIFI] No networks found\n"));
 		    }
 
 		    if (code == MESSAGE_NO_KNOWN_NETWORKS) {
-		        DEBUG_MSG("[WIFI] No known networks found\n");
+		        DEBUG_MSG_P(PSTR("[WIFI] No known networks found\n"));
 		    }
 
 		    if (code == MESSAGE_FOUND_NETWORK) {
-		        DEBUG_MSG("[WIFI] %s\n", parameter);
+		        DEBUG_MSG_P(PSTR("[WIFI] %s\n"), parameter);
 		    }
 
 		    if (code == MESSAGE_CONNECTING) {
-		        DEBUG_MSG("[WIFI] Connecting to %s\n", parameter);
+		        DEBUG_MSG_P(PSTR("[WIFI] Connecting to %s\n"), parameter);
 		    }
 
 		    if (code == MESSAGE_CONNECT_WAITING) {
@@ -156,7 +156,7 @@ void wifiSetup() {
 		    }
 
 		    if (code == MESSAGE_CONNECT_FAILED) {
-		        DEBUG_MSG("[WIFI] Could not connect to %s\n", parameter);
+		        DEBUG_MSG_P(PSTR("[WIFI] Could not connect to %s\n"), parameter);
 		    }
 
 		    if (code == MESSAGE_CONNECTED) {
@@ -168,15 +168,15 @@ void wifiSetup() {
 		    }
 
 		    if (code == MESSAGE_DISCONNECTED) {
-		        DEBUG_MSG("[WIFI] Disconnected\n");
+		        DEBUG_MSG_P(PSTR("[WIFI] Disconnected\n"));
 		    }
 
 		    if (code == MESSAGE_ACCESSPOINT_CREATING) {
-		        DEBUG_MSG("[WIFI] Creating access point\n");
+		        DEBUG_MSG_P(PSTR("[WIFI] Creating access point\n"));
 		    }
 
 		    if (code == MESSAGE_ACCESSPOINT_FAILED) {
-		        DEBUG_MSG("[WIFI] Could not create access point\n");
+		        DEBUG_MSG_P(PSTR("[WIFI] Could not create access point\n"));
 		    }
 
 		#endif
@@ -185,9 +185,9 @@ void wifiSetup() {
 	    if (code == MESSAGE_CONNECTED) {
             if (MDNS.begin((char *) WiFi.hostname().c_str())) {
                 MDNS.addService("http", "tcp", 80);
-	            DEBUG_MSG("[MDNS] OK\n");
+	            DEBUG_MSG_P(PSTR("[MDNS] OK\n"));
 	        } else {
-	            DEBUG_MSG("[MDNS] FAIL\n");
+	            DEBUG_MSG_P(PSTR("[MDNS] FAIL\n"));
 	        }
 	    }