diff --git a/firmware/Makefile b/firmware/Makefile
index 349b4ff..40e36bc 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -10,8 +10,12 @@ VPATH +=
 OBJS += main.o
 
 ifeq "$(wildcard table.c)" "table.c"
+ifeq "$(APP)" "serial"
+OBJS +=
+else
 OBJS += table.o
 endif
+endif
 
 LIBS += lcd/liblcd.a
 LIBS += basic/libbasic.a
diff --git a/firmware/SERIAL_DOKU b/firmware/SERIAL_DOKU
index d67b459..99bb071 100644
--- a/firmware/SERIAL_DOKU
+++ b/firmware/SERIAL_DOKU
@@ -1,11 +1,18 @@
 i: initialize
-cb / cm / cr: config funk for beacon/mesh/remote
-Ck<hex>: set encryptionkey
-Ct<hex>: set txmac
-Cc<hex>: set channel
-Ct<hex>: set rxmac(0)
-Cl<hex>: set rxlens
-Ce<hex>: sec encrpytion on/off
+pb: preset funk for beacon
+pm: preset funk for mesh
+pM: preset funk for pubMesh
+pr: preset funk for rem0te
+
+t<char>: set packet dump type (b/B/m/M/0)
+f<char><hex>: set filter stuff
+
+ck<hex>: set encryptionkey
+cm<hex>: set rxmac(0)
+ct<hex>: set txmac
+cc<hex>: set channel
+cl<hex>: set rxlen
+ce<hex>: sec encrpytion on/off
 
 s <hex>: send packet
 s+ <hex>: send packet 10 times
@@ -13,4 +20,4 @@ sd <hex>: send packet with debugoutput
 
 r: recv packets
 r+<hex>: recv packets for <hex> seconds
-r-<hex>: recv <hex> packets (5 seconds max)
+r-<hex>: recv <hex> packets
diff --git a/firmware/applications/serial.c b/firmware/applications/serial.c
new file mode 100644
index 0000000..acb5cf4
--- /dev/null
+++ b/firmware/applications/serial.c
@@ -0,0 +1,20 @@
+#include <sysinit.h>
+
+#include "basic/basic.h"
+#include "basic/config.h"
+
+#include <string.h>
+
+/**************************************************************************/
+
+#include "serial.gen"
+
+void main_serial(void) {
+    GLOBAL(daytrig)=10;
+    GLOBAL(lcdbacklight)=10;
+    handleMenu(&mainmenu);
+    gpioSetValue (RB_LED3, 1); 
+    ISPandReset();
+};
+
+void serial(void);
diff --git a/firmware/applications/serial/serial.c b/firmware/applications/serial/serial.c
index e780fbf..30ffae2 100644
--- a/firmware/applications/serial/serial.c
+++ b/firmware/applications/serial/serial.c
@@ -23,7 +23,7 @@
 #define BEACON_CHANNEL 81
 #define BEACON_MAC     "\x1\x2\x3\x2\1"
 
-#include "SECRETS"
+#include "SECRETS.release"
 
 char funkencrypt=0;
 
@@ -47,9 +47,15 @@ struct NRF_CFG config = {
     .maclen ="\x10",
 };
 
-int process(char * input);
+char type=0;
+char filter=0;
+uint8_t filterdata[10];
+char outc[2]= {0,0};
+
+static int process(char * input);
 
 #define INPUTLEN 99
+//# MENU serial
 void dwim(void){
     char input[INPUTLEN+1];
     int inputptr=0;
@@ -58,6 +64,8 @@ void dwim(void){
     usbCDCInit();
     delayms(500);
     getInputWaitRelease();
+    nrf_init();
+    gpioSetValue (RB_LED1, 0); 
     puts("D start\r\n");
 
     while(!getInputRaw()){
@@ -97,13 +105,13 @@ void dwim(void){
         };
         inputptr+=l;
     };
-
+    gpioSetValue (RB_LED1, 0); 
     puts("D exit\r\n");
 }
 
 #define BUFLEN 32
 #define NYB(x) ((x>'9')?(x|0x20)-'a'+10:x-'0')
-uint8_t * hextobyte(char * input, int *len){
+static uint8_t * hextobyte(char * input, int *len){
     static uint8_t buf[BUFLEN];
 
     int p=0;
@@ -123,7 +131,16 @@ uint8_t * hextobyte(char * input, int *len){
     return buf;
 };
 
-int process(char * input){
+static uint32_t gethexval(char * input){
+    int len;
+    uint8_t *hex=hextobyte(input,&len);
+    uint32_t v=hex[0];
+    while(--len>0)
+        v=v*256+(*++hex);
+    return v;
+};
+
+static int process(char * input){
     if(input == NULL || input[0]==0)
         return -1;
 
@@ -135,7 +152,8 @@ int process(char * input){
     if(input[0]=='i'){
         nrf_init();
         nrf_config_set(&config);
-    }else if(input[0]=='c'){
+    }else if(input[0]=='p'){
+        type=input[1];
         if(input[1]=='m'){
             config.channel=MESH_CHANNEL;
             memcpy(config.txmac,MESH_MAC,5);
@@ -145,6 +163,18 @@ int process(char * input){
             nrf_config_set(&config);
             memcpy(thekey,meshkey,sizeof(thekey));
             funkencrypt=1;
+        }else if(input[1]=='M'){
+            config.channel=83;
+            memcpy(config.txmac,MESH_MAC,5);
+            memcpy(config.mac0,MESH_MAC,5);
+            config.maclen[0]=0x20;
+            config.nrmacs=1;
+            nrf_config_set(&config);
+            static const uint32_t const pubmesh[4] = {
+                0x00000042, 0x000005ec, 0x00000023, 0x00000005
+            };
+            memcpy(thekey,pubmesh,sizeof(thekey));
+            funkencrypt=1;
         }else if(input[1]=='r'){
             config.channel=REMOTE_CHANNEL;
             memcpy(config.txmac,REMOTE_MAC,5);
@@ -163,6 +193,43 @@ int process(char * input){
             nrf_config_set(&config);
             memcpy(thekey,openbeaconkey,sizeof(thekey));
             funkencrypt=1;
+        }else if(input[1]=='B'){
+            config.channel=BEACON_CHANNEL;
+            memcpy(config.txmac,BEACON_MAC,5);
+            memcpy(config.mac0,BEACON_MAC,5);
+            config.maclen[0]=0x10;
+            config.nrmacs=1;
+            nrf_config_set(&config);
+            static const uint32_t pubbeaconkey[4] = {
+                        0xB4595344, 0xD3E119B6, 0xA814D0EC, 0xEFF5A24E 
+            };
+            memcpy(thekey,pubbeaconkey,sizeof(thekey));
+            funkencrypt=1;
+        };
+    }else if(input[0]=='t'){
+        type=input[1];
+    }else if(input[0]=='c'){
+        int len;
+        uint8_t *hex=hextobyte(&input[2],&len);
+        if(input[1]=='k'){
+            thekey[0]=uint8ptouint32(hex);
+            thekey[1]=uint8ptouint32(hex+4);
+            thekey[2]=uint8ptouint32(hex+8);
+            thekey[3]=uint8ptouint32(hex+12);
+        }else if(input[1]=='m'){
+            memcpy(config.mac0,hex,5);
+            nrf_config_set(&config);
+        }else if(input[1]=='t'){
+            memcpy(config.txmac,hex,5);
+            nrf_config_set(&config);
+        }else if(input[1]=='c'){
+            config.channel=hex[0];
+            nrf_config_set(&config);
+        }else if(input[1]=='l'){
+            config.maclen[0]=hex[0];
+            nrf_config_set(&config);
+        }else if(input[1]=='e'){
+            funkencrypt= hex[0];
         }else if(input[1]=='?'){
             nrf_config_get(&config);
             puts_plus("Ch: ");puts_plus(IntToStrX( config.channel,2 )); puts_plus("\r\n");
@@ -203,41 +270,6 @@ int process(char * input){
                 puts_plus(IntToStrX( funkencrypt,2 ));
             puts_plus("\r\n");
         };
-    }else if(input[0]=='C'){
-        int len;
-        uint8_t *hex=hextobyte(&input[2],&len);
-        if(input[1]=='k'){
-            thekey[0]=uint8ptouint32(hex);
-            thekey[1]=uint8ptouint32(hex+4);
-            thekey[2]=uint8ptouint32(hex+8);
-            thekey[3]=uint8ptouint32(hex+12);
-        }else if(input[1]=='m'){
-            config.mac0[0]=uint8ptouint32(hex);
-            config.mac0[1]=uint8ptouint32(hex+4);
-            config.mac0[2]=uint8ptouint32(hex+8);
-            config.mac0[3]=uint8ptouint32(hex+12);
-            config.mac0[4]=uint8ptouint32(hex+16);
-            nrf_config_set(&config);
-        }else if(input[1]=='t'){
-            config.txmac[0]=uint8ptouint32(hex);
-            config.txmac[1]=uint8ptouint32(hex+4);
-            config.txmac[2]=uint8ptouint32(hex+8);
-            config.txmac[3]=uint8ptouint32(hex+12);
-            config.txmac[4]=uint8ptouint32(hex+16);
-            nrf_config_set(&config);
-        }else if(input[1]=='c'){
-            config.channel=*hex;
-            nrf_config_set(&config);
-        }else if(input[1]=='l'){
-            config.maclen[0]=uint8ptouint32(hex);
-            config.maclen[1]=uint8ptouint32(hex+4);
-            config.maclen[2]=uint8ptouint32(hex+8);
-            config.maclen[3]=uint8ptouint32(hex+12);
-            config.maclen[4]=uint8ptouint32(hex+16);
-            nrf_config_set(&config);
-        }else if(input[1]=='e'){
-            funkencrypt= uint8ptouint32(hex);
-        };
     }else if (input[0]=='s'){
         __attribute__ ((aligned (4))) uint8_t buf[32];
         int status=0;
@@ -262,14 +294,18 @@ int process(char * input){
             memcpy(buf,hex,len);
             status=nrf_snd_pkt_crc_encr(len,buf,funkencrypt?thekey:NULL);
 
-            puts_plus("P ");
-            puts_plus("[");puts_plus(IntToStrX(len,2));puts_plus("] ");
             if(debug){
+                puts_plus("P ");
+                puts_plus("[");puts_plus(IntToStrX(len,2));puts_plus("] ");
                 for(int i=0;i<len;i++){
                     puts_plus(IntToStrX( buf[i],2 ));
                     puts_plus(" ");
                 };
             };
+            puts_plus("S ");
+            puts_plus("[");puts_plus(IntToStrX(len,2));puts_plus("] ");
+            puts_plus("state=");
+            puts_plus(IntToStrX( status,2 ));
             puts("\r\n");
 
             while(--ctr>0){
@@ -277,46 +313,60 @@ int process(char * input){
                 memcpy(buf,hex,len);
                 status=nrf_snd_pkt_crc_encr(len,buf,funkencrypt?thekey:NULL);
             };
-        }else if (input[1]=='t'){
-            static int ctr=1;
-            int status;
-
-            buf[0]=0x10; // Length: 16 bytes
-            buf[1]='1'; // Proto
-            buf[2]=0x00;
-            buf[3]=0x00; // Unused
-
-            uint32touint8p(ctr++,buf+4);
-
-            uint32touint8p(0x5ec,buf+8);
-
-            buf[12]=0xff; // salt (0xffff always?)
-            buf[13]=0xff;
-            status=nrf_snd_pkt_crc_encr(16,buf,funkencrypt?thekey:NULL);
         }else{
+            ;
+        };
+        puts_plus("\r\n");
+    }else if (input[0]=='f'){
+        int len;
+        filter=input[1];
+        uint8_t *hex=hextobyte(input+2,&len);
+        if(len>9)
+            len=9;
+        memcpy(filterdata,hex,len);
+        puts_plus("F ");
+        if(filter){
+        puts_plus("[");
+        outc[0]=filter;
+        puts_plus(outc);
+        puts_plus("]");
+        for(int i=0;i<len;i++){
+            puts_plus(IntToStrX(filterdata[i],2 ));
+        };
+        }else{
+            puts_plus("off");
         };
-        puts_plus("S state=");
-        puts_plus(IntToStrX( status,2 ));
         puts_plus("\r\n");
     }else if (input[0]=='r'){
         __attribute__ ((aligned (4))) uint8_t buf[32];
         int len;
         int pctr=5;
-        int t=getTimer()+5000/SYSTICKSPEED;
+        int t=5;
 
         if(input[1]=='+'){
             if(input[2]!=0){
-                uint8_t *hex=hextobyte(&input[2],&len);
-                t=getTimer()+hex[0]*1000/SYSTICKSPEED;
+                t=gethexval(&input[2]);
             };
             pctr=-1;
         }
         if(input[1]=='-'){
-            uint8_t *hex=hextobyte(&input[2],&len);
-            pctr=hex[0];
+            pctr=gethexval(&input[2]);
+            t=-1;
         }
 
-        puts_plus("D receive ...\r\n");
+        puts_plus("D rcv: ");
+        puts_plus(IntToStr(pctr,8,0));
+        puts_plus("pkts, ");
+        puts_plus(IntToStr(t,8,0));
+        puts_plus("secs ");
+        if(filter){
+            puts_plus("FILTER=");
+            outc[0]=filter;
+            puts_plus(outc);
+        };
+        puts_plus(" ...\r\n");
+        if(t>0)
+            t=getTimer()+t*1000/SYSTICKSPEED;
         nrf_rcv_pkt_start();
         do{
             len=nrf_rcv_pkt_poll_dec(sizeof(buf),buf,funkencrypt?thekey:NULL);
@@ -325,17 +375,76 @@ int process(char * input){
                 delayms(10);
                 continue;
             };
-            puts_plus("R ");
-            puts_plus("[");puts_plus(IntToStrX(len,2));puts_plus("] ");
-            if(len==-3){
-                puts_plus("[!crc] ");
-                len=16;
+            if (!filter){
+                if(len==-3){
+                    puts_plus("[!crc] ");
+                    len=32;
+                };
             };
-            for(int i=0;i<len;i++){
-                puts_plus(IntToStrX( buf[i],2 ));
+            if(type=='m' || type=='M'){
+                if(filter && filter!=buf[0])
+                    continue;
+                puts_plus("R ");
+                puts_plus(IntToStrX( buf[0],2 ));
                 puts_plus(" ");
+                puts_plus(IntToStrX( buf[1],2 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+2),8 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+6),8 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+10),8 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+14),8 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+18),8 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+22),8 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+26),8 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( buf[30],2 ));
+                puts_plus(IntToStrX( buf[31],2 ));
+                puts_plus(" ");
+            }else if(type=='B'){
+                if(filter)
+                    if(uint8ptouint32(buf+8)!=uint8ptouint32(filterdata))
+                        continue;
+                puts_plus("RF ");
+                puts_plus(IntToStrX( buf[2],2 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+8),8 ));
+            }else if(type=='b'){
+                if(filter)
+                    if(uint8ptouint32(buf+8)!=uint8ptouint32(filterdata))
+                        continue;
+                puts_plus("R ");
+                puts_plus(IntToStrX( buf[0],2 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( buf[1],2 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( buf[2],2 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( buf[3],2 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+4),8 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( uint8ptouint32(buf+8),8 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( buf[12],2 ));
+                puts_plus(IntToStrX( buf[13],2 ));
+                puts_plus(" ");
+                puts_plus(IntToStrX( buf[14],2 ));
+                puts_plus(IntToStrX( buf[15],2 ));
+            }else{
+                puts_plus("R ");
+                puts_plus("[");puts_plus(IntToStrX(len,2));puts_plus("] ");
+                for(int i=0;i<len;i++){
+                    puts_plus(IntToStrX( buf[i],2 ));
+                    puts_plus(" ");
+                };
             };
-            if(pctr<0){
+            if(1){
                 int l=0;
                 CDC_OutBufAvailChar (&l);
                 if(l>0){
@@ -344,9 +453,9 @@ int process(char * input){
                 };
             };
             puts("\r\n");
-            if(pctr--==0)
+            if(--pctr==0)
                 break;
-        }while(t>getTimer());
+        }while((t>0)?(t>getTimer()):1);
 
         nrf_rcv_pkt_end();
     }else{
diff --git a/firmware/applications/uart.c b/firmware/applications/uart.c
new file mode 100644
index 0000000..8712a86
--- /dev/null
+++ b/firmware/applications/uart.c
@@ -0,0 +1,49 @@
+#include <sysinit.h>
+
+#include "basic/basic.h"
+
+#include "lcd/print.h"
+
+#include <string.h>
+
+
+#include "core/cpu/cpu.h"
+#include "core/uart/uart.h"
+
+/**************************************************************************/
+#define BUF 5
+
+void main_uart(void) {
+	uint8_t uartBuffer[BUF] = { 'T', 'e', 's', 't', '\n' };
+uint8_t o[2]={0,0};
+
+	gpioSetDir(RB_LED0, gpioDirection_Output);
+	gpioSetValue (RB_LED0, 1);
+	lcdPrintln("Hi");
+	lcdRefresh();
+	uartInit(9600);
+	lcdPrintln("Inited.");
+	lcdRefresh();
+
+	uartSend((uint8_t *)uartBuffer, BUF);
+	lcdPrintln("sent.");
+	lcdRefresh();
+
+	uartRxBufferWrite('x');
+
+	// Get a reference to the UART control block
+//	uart_pcb_t *pcb = uartGetPCB();
+
+	gpioSetValue (RB_LED0, 1-gpioGetValue(RB_LED0));
+	// Read any text available in the queue
+	while (uartRxBufferDataPending())
+	{
+		gpioSetValue (RB_LED0, 1-gpioGetValue(RB_LED0));
+		// Read the first available character
+		uint8_t c = uartRxBufferRead();
+		o[0]=c;
+		lcdPrint(o);
+		lcdRefresh();
+		uartSend(&c, 1);
+	}
+};
diff --git a/firmware/core/projectconfig.h b/firmware/core/projectconfig.h
index 7d58144..41d5420 100644
--- a/firmware/core/projectconfig.h
+++ b/firmware/core/projectconfig.h
@@ -82,3 +82,9 @@
     #define CFG_USBCDC_BUFFERSIZE       (256)
 
 
+/* you will need these for the UART */
+#if 0
+#define CFG_INTERFACE_UART (1)
+#define CFG_UART_BAUDRATE           (115200)
+#define CFG_UART_BUFSIZE            (512)
+#endif
diff --git a/firmware/l0dable/voltage.c b/firmware/l0dable/voltage.c
new file mode 100644
index 0000000..70a5266
--- /dev/null
+++ b/firmware/l0dable/voltage.c
@@ -0,0 +1,50 @@
+#include <sysinit.h>
+#include <string.h>
+
+#include "basic/basic.h"
+#include "basic/config.h"
+
+#include "lcd/render.h"
+#include "lcd/print.h"
+
+#include "usetable.h"
+
+/**************************************************************************/
+
+void ram(void) {
+    int v,mv;
+    do{
+        lcdClear();
+        lcdPrintln("Battery status:");
+        mv=GetVoltage();
+        v=mv/1000;
+
+        lcdNl();
+        if (mv<3550){
+            lcdPrintln("  Charge NOW!");
+        }else if (mv<3650){
+            lcdPrintln("  Charge soon");
+        }else if (mv<4000){
+            lcdPrintln("      OK");
+        }else if(mv<4200){
+            lcdPrintln("     Good");
+        }else{
+            lcdPrintln("     Full");
+        };
+
+        lcdNl();
+        lcdPrint(" ");
+        lcdPrint(IntToStr(v,2,0));
+        lcdPrint(".");
+        lcdPrint(IntToStr(mv%1000,3,F_ZEROS));
+        lcdPrintln("V");
+
+        lcdNl();
+        if(gpioGetValue(RB_PWR_CHRG)){
+            lcdPrintln("(not charging)");
+        }else{
+            lcdPrintln("CHARGING");
+        };
+        lcdRefresh();
+    } while ((getInputWaitTimeout(242))==BTN_NONE);
+}
diff --git a/tools/bootloader/autoflash-cygwin.sh b/tools/bootloader/autoflash-cygwin.sh
index ee86308..e363880 100644
--- a/tools/bootloader/autoflash-cygwin.sh
+++ b/tools/bootloader/autoflash-cygwin.sh
@@ -1,4 +1,8 @@
 drive=/cygdrive/f
+if [ ! -z "$1" ] ; then 
+  dirve=/cygdrive/$a
+fi
+
 file=$drive/firmware.bin
 
 while : ; do