diff --git a/embedded8266/common/commonservices.c b/embedded8266/common/commonservices.c
index 3e8aa62..a370080 100644
--- a/embedded8266/common/commonservices.c
+++ b/embedded8266/common/commonservices.c
@@ -85,13 +85,19 @@ int ICACHE_FLASH_ATTR issue_command(char * buffer, int retsize, char *pusrdata,
 	case 'f': case 'F':  //Flashing commands (F_)
 	{
 		flashchip->chip_size = 0x01000000;
-		const char * colon = (const char *) ets_strstr( (char*)&pusrdata[2], ":" );
+		const char * colon = (const char *) ets_strstr( (char*)&pusrdata[2], "\t" );
 		int nr = my_atoi( &pusrdata[2] );
 
 		switch (pusrdata[1])
 		{
 		case 'e': case 'E':  //(FE#\n) <- # = sector.
 		{
+			if( nr < 128 )
+			{
+				buffend += ets_sprintf(buffend, "!FE%d\r\n", nr );
+				break;
+			}
+
 			EnterCritical();
 			spi_flash_erase_sector( nr );	//SPI_FLASH_SEC_SIZE      4096
 			ExitCritical();
@@ -100,8 +106,14 @@ int ICACHE_FLASH_ATTR issue_command(char * buffer, int retsize, char *pusrdata,
 			break;
 		}
 
-		case 'b': case 'B':  //(FE#\n) <- # = sector.
+		case 'b': case 'B':  //(FB#\n) <- # = block.
 		{
+			if( nr < 8 )
+			{
+				buffend += ets_sprintf(buffend, "!FB%d\r\n", nr );
+				break;
+			}
+
 			EnterCritical();
 			SPIEraseBlock( nr );
 			ExitCritical();
@@ -120,8 +132,8 @@ int ICACHE_FLASH_ATTR issue_command(char * buffer, int retsize, char *pusrdata,
 			if( colon )
 			{
 				colon++;
-				const char * colon2 = (const char *) ets_strstr( (char*)colon, ":" );
-				if( colon2 )
+				const char * colon2 = (const char *) ets_strstr( (char*)colon, "\t" );
+				if( colon2 && nr >= 524288)
 				{
 					colon2++;
 					int datlen = (int)len - (colon2 - pusrdata);
@@ -145,7 +157,7 @@ int ICACHE_FLASH_ATTR issue_command(char * buffer, int retsize, char *pusrdata,
 				datlen = (datlen/4)*4; //Must be multiple of 4 bytes
 				if( datlen <= 1280 )
 				{
-					buffend += ets_sprintf(buffend, "FR%08d:%04d:", nr, datlen ); //Caution: This string must be a multiple of 4 bytes.
+					buffend += ets_sprintf(buffend, "FR%08d\t%04d\t", nr, datlen ); //Caution: This string must be a multiple of 4 bytes.
 					spi_flash_read( nr, (uint32*)buffend, datlen );
 					break;
 				}
@@ -424,11 +436,11 @@ int ICACHE_FLASH_ATTR issue_command(char * buffer, int retsize, char *pusrdata,
 			on = !on;
 			GPIO_OUTPUT_SET(GPIO_ID_PIN(nr), on );
 			g_gpiooutputmask |= (1<<nr);
-			buffend += ets_sprintf( buffend, "GF%d:%d\n", nr, on );
+			buffend += ets_sprintf( buffend, "GF%d\t%d\n", nr, on );
 			break;
 		}
 		case 'g': case 'G':
-			buffend += ets_sprintf( buffend, "GG%d:%d\n", nr, GPIO_INPUT_GET( GPIO_ID_PIN(nr) ) );
+			buffend += ets_sprintf( buffend, "GG%d\t%d\n", nr, GPIO_INPUT_GET( GPIO_ID_PIN(nr) ) );
 			break;
 		case 's': case 'S':
 		{
@@ -438,7 +450,7 @@ int ICACHE_FLASH_ATTR issue_command(char * buffer, int retsize, char *pusrdata,
 			{
 				rmask |= GPIO_INPUT_GET( GPIO_ID_PIN(i) )?(1<<i):0;
 			}
-			buffend += ets_sprintf( buffend, "GS:%d:%d\n", g_gpiooutputmask, rmask );
+			buffend += ets_sprintf( buffend, "GS\t%d\t%d\n", g_gpiooutputmask, rmask );
 			break;
 		}
 		}
diff --git a/embedded8266/common/flash_rewriter.c b/embedded8266/common/flash_rewriter.c
index 0af9225..3967138 100644
--- a/embedded8266/common/flash_rewriter.c
+++ b/embedded8266/common/flash_rewriter.c
@@ -12,22 +12,6 @@
 static const char * key = "";
 static int keylen = 0;
 
-void SafeMD5Update( MD5_CTX * md5ctx, uint8_t*from, uint32_t size1 )
-{
-	char  __attribute__ ((aligned (32))) buffer[32];
-
-
-	while( size1 > 32 )
-	{
-		ets_memcpy( buffer, from, 32 );
-		MD5Update( md5ctx, buffer, 32 );
-		size1-=32;
-		from+=32;
-	}
-	ets_memcpy( buffer, from, 32 );
-	MD5Update( md5ctx, buffer, size1 );
-}
-
 
 static int MyRewriteFlash( char * command, int commandlen )
 {
@@ -36,7 +20,7 @@ static int MyRewriteFlash( char * command, int commandlen )
 	char * colons[8];
 	int i, ipl = 0;
 	int p;
-	//[from_address]:[to_address]:[size]:[MD5(key+data)]:[from_address]:[to_address]:[size]:[MD5(key+data)]
+	//[from_address]\t[to_address]\t[size]\t[MD5(key+data)]\t[from_address]\t[to_address]\t[size]\t[MD5(key+data)]
 	command[commandlen] = 0;
 
 	flashchip->chip_size = 0x01000000;
@@ -47,7 +31,7 @@ static int MyRewriteFlash( char * command, int commandlen )
 	for( i = 0; i < commandlen; i++ )
 	{
 		if( command[i] == 0 ) break;
-		if( command[i] == ':' )
+		if( command[i] == '\t' )
 		{
 			if( ipl >= 8 ) break;
 			command[i] = 0;
diff --git a/embedded8266/common/http.c b/embedded8266/common/http.c
index 1cd79d0..603b1af 100644
--- a/embedded8266/common/http.c
+++ b/embedded8266/common/http.c
@@ -268,7 +268,7 @@ void ICACHE_FLASH_ATTR HTTPHandleInternalCallback( )
 		curhttp->isdone = 1;
 }
 
-void ICACHE_FLASH_ATTR InternalStartHTTP( )
+void InternalStartHTTP( )
 {
 	int32_t clusterno;
 	int8_t i;
@@ -327,7 +327,8 @@ http_disconnetcb(void *arg) {
 	((struct HTTPConnection * )pespconn->reverse)->state = 0;
 }
 
-LOCAL void http_recvcb(void *arg, char *pusrdata, unsigned short length)
+LOCAL void ICACHE_FLASH_ATTR
+http_recvcb(void *arg, char *pusrdata, unsigned short length)
 {
     struct espconn *pespconn = (struct espconn *) arg;
 
diff --git a/embedded8266/common/mystuff.c b/embedded8266/common/mystuff.c
index 21a4aa4..b9cf874 100644
--- a/embedded8266/common/mystuff.c
+++ b/embedded8266/common/mystuff.c
@@ -174,3 +174,21 @@ void ICACHE_FLASH_ATTR my_base64_encode(const unsigned char *data, size_t input_
 	encoded_data[j] = 0;
 }
 
+
+
+void ICACHE_FLASH_ATTR SafeMD5Update( MD5_CTX * md5ctx, uint8_t*from, uint32_t size1 )
+{
+	char  __attribute__ ((aligned (32))) buffer[32];
+
+
+	while( size1 > 32 )
+	{
+		ets_memcpy( buffer, from, 32 );
+		MD5Update( md5ctx, buffer, 32 );
+		size1-=32;
+		from+=32;
+	}
+	ets_memcpy( buffer, from, 32 );
+	MD5Update( md5ctx, buffer, size1 );
+}
+
diff --git a/embedded8266/common/mystuff.h b/embedded8266/common/mystuff.h
index 122ca73..6fb3d6f 100644
--- a/embedded8266/common/mystuff.h
+++ b/embedded8266/common/mystuff.h
@@ -10,6 +10,7 @@
 #include <user_interface.h>
 #include <ets_sys.h>
 #include <espconn.h>
+#include <esp8266_rom.h>
 
 extern char generic_print_buffer[384];
 
@@ -42,4 +43,8 @@ int ICACHE_FLASH_ATTR  ColonsToInts( const char * str, int32_t * vals, int max_q
 //as it does stuff with dynamic memory.
 void ICACHE_FLASH_ATTR my_base64_encode(const unsigned char *data, size_t input_length, uint8_t * encoded_data );
 
+
+void ICACHE_FLASH_ATTR SafeMD5Update( MD5_CTX * md5ctx, uint8_t*from, uint32_t size1 );
+
+
 #endif
diff --git a/embedded8266/image.elf b/embedded8266/image.elf
index d72df94..19c96fe 100755
Binary files a/embedded8266/image.elf and b/embedded8266/image.elf differ
diff --git a/embedded8266/web/execute_reflash.c b/embedded8266/web/execute_reflash.c
index ef83c67..e525aed 100644
--- a/embedded8266/web/execute_reflash.c
+++ b/embedded8266/web/execute_reflash.c
@@ -107,7 +107,7 @@ uint32_t Push( uint32_t offset, const char * file )
 		}
 
 		
-		int r = sprintf( bufferout, "FW%d:%d:", sendplace, sendsize );
+		int r = sprintf( bufferout, "FW%d\t%d\t", sendplace, sendsize );
 		memcpy( bufferout + r, buffer, sendsize );
 
 		printf( "bufferout: %d %d\n", sendplace, sendsize );
@@ -224,11 +224,11 @@ int main(int argc, char**argv)
 
 	printf( "%s %s\n", md5_f1, md5_f2 );
 
-	//FM[from_address]:[to_address]:[size]:[MD5(key+data)]:[from_address]:[to_address]:[size]:[MD5(key+data)]
+	//FM[from_address]\t[to_address]\t[size]\t[MD5(key+data)]\t[from_address]\t[to_address]\t[size]\t[MD5(key+data)]
 
 	char cmd[1024];
 
-	sprintf( cmd, "FM%d:%d:%d:%s:%d:%d:%d:%s\n", 
+	sprintf( cmd, "FM%d\t%d\t%d\t%s\t%d\t%d\t%d\t%s\n", 
 		0x080000,
 		0x000000,
 		fs1, //roundup( fs1 ),
diff --git a/embedded8266/web/pushtodev.c b/embedded8266/web/pushtodev.c
index 6373b1b..56583a3 100644
--- a/embedded8266/web/pushtodev.c
+++ b/embedded8266/web/pushtodev.c
@@ -153,7 +153,7 @@ int main(int argc, char**argv)
 #endif
 		resend_times = 0;
 resend:
-		r = sprintf( bufferout, "FW%d:%d:", sendplace, sendsize );
+		r = sprintf( bufferout, "FW%d\t%d\t", sendplace, sendsize );
 		printf( "bufferout: %d %d %s\n", sendplace, sendsize, bufferout );
 		memcpy( bufferout + r, buffer, sendsize );
 
diff --git a/embeddedstm32f407/main.c b/embeddedstm32f407/main.c
index 6234871..514a9d5 100644
--- a/embeddedstm32f407/main.c
+++ b/embeddedstm32f407/main.c
@@ -38,8 +38,8 @@ void NewFrame()
 	int i;
 	HandleFrameInfo();
 
-	UpdateLinearLEDs();
-//	UpdateAllSameLEDs();
+//	UpdateLinearLEDs();
+	UpdateAllSameLEDs();
 
 	SendSPI2812( ledOut, NUM_LIN_LEDS );
 }