diff --git a/platform/avr-rcb/Makefile.avr-rcb b/platform/avr-rcb/Makefile.avr-rcb
new file mode 100644
index 000000000..d9b2f5b88
--- /dev/null
+++ b/platform/avr-rcb/Makefile.avr-rcb
@@ -0,0 +1,38 @@
+CONTIKI_TARGET_DIRS = . rf230 apps net loader
+CONTIKI_CORE=contiki-rcb-main
+CONTIKI_TARGET_MAIN = ${CONTIKI_CORE}.o
+
+CONTIKI_TARGET_SOURCEFILES +=	rs232.c cfs-eeprom.c eeprom.c random.c \
+				mmem.c contiki-rcb-main.c
+
+CONTIKIAVR=$(CONTIKI)/cpu/avr
+CONTIKIBOARD=.
+
+CONTIKI_PLAT_DEFS = -DF_CPU=8000000UL -DAUTO_CRC_PADDING=2
+
+MCU=atmega1281
+AVRDUDE_PROGRAMMER=jtag2
+
+# For usb devices, you may either use PORT=usb, or (e.g. if you have more than one
+# programmer connected) you can use the following trick to find out the serial number:
+#
+# The example is for an JTAGICE mkII used to program an ATmega128:
+# avrdude -v -P usb:xxxx -c jtag2 -p atmega128
+AVRDUDE_PORT=usb:00B000000D79
+
+
+# Additional avrdude options
+# Verify off
+AVRDUDE_OPTIONS=-V
+
+
+include $(CONTIKIAVR)/Makefile.avr
+
+# Source for AT86RF230
+include $(CONTIKI)/cpu/avr/radio/rf230/Makefile.rf230
+
+# Source for Atmel/Cisco 802.15.4'ish MAC
+include $(CONTIKI)/cpu/avr/radio/mac/Makefile.mac
+
+# Source for IEEE 802.15.4 manager interface
+include $(CONTIKI)/cpu/avr/radio/ieee-manager/Makefile.ieee-manager
diff --git a/platform/avr-rcb/contiki-conf.h b/platform/avr-rcb/contiki-conf.h
new file mode 100644
index 000000000..84fde83f9
--- /dev/null
+++ b/platform/avr-rcb/contiki-conf.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2006, Technical University of Munich
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * @(#)$$
+ */
+
+/**
+ * \file
+ *         Configuration for sample STK 501 Contiki kernel
+ *
+ * \author
+ *         Simon Barner <barner@in.tum.de
+ */
+
+#ifndef __CONTIKI_CONF_H__
+#define __CONTIKI_CONF_H__
+
+#include <stdint.h>
+
+typedef int32_t s32_t;
+
+/*
+ * MCU and clock rate
+ */
+#define MCU_MHZ 8
+#define PLATFORM PLATFORM_AVR
+#define RCB_REVISION RCB_B
+
+/* Clock ticks per second */
+#define CLOCK_CONF_SECOND 125
+
+/* COM port to be used for SLIP connection */
+#define SLIP_PORT RS232_PORT_0
+
+/* Pre-allocated memory for loadable modules heap space (in bytes)*/
+#define MMEM_CONF_SIZE 256
+
+/* Use the following address for code received via the codeprop
+ * facility
+ */
+#define EEPROMFS_ADDR_CODEPROP 0x8000
+
+#define CCIF
+#define CLIF
+
+#define RIMEADDR_CONF_SIZE       8
+#define RIMEBUF_CONF_HDR_SIZE    0
+
+/* 0 for IPv6, or 1 for HC1, 2 for HC01 */
+#define SICSLOWPAN_CONF_COMPRESSION_IPV6 0 
+#define SICSLOWPAN_CONF_COMPRESSION_HC1  1 
+#define SICSLOWPAN_CONF_COMPRESSION_HC01 2
+
+#define SICSLOWPAN_CONF_COMPRESSION       SICSLOWPAN_CONF_COMPRESSION_HC01 
+#define SICSLOWPAN_CONF_MAX_ADDR_CONTEXTS 2
+#define SICSLOWPAN_CONF_FRAG              1 
+
+#define SICSLOWPAN_CONF_MAXAGE 5
+
+#define UIP_CONF_LL_802154       1
+#define UIP_CONF_LLH_LEN         0
+
+#define UIP_CONF_MAX_CONNECTIONS 2
+#define UIP_CONF_MAX_LISTENPORTS 2
+#define UIP_CONF_UDP_CONNS       2
+
+#define UIP_CONF_IP_FORWARD      0
+#define UIP_CONF_FWCACHE_SIZE    0
+
+#define UIP_CONF_IPV6            1
+#define UIP_CONF_IPV6_CHECKS     1
+#define UIP_CONF_IPV6_QUEUE_PKT  0
+#define UIP_CONF_IPV6_REASSEMBLY 0
+#define UIP_CONF_NETIF_MAX_ADDRESSES  3
+#define UIP_CONF_ND6_MAX_PREFIXES     3
+#define UIP_CONF_ND6_MAX_NEIGHBORS    4  
+#define UIP_CONF_ND6_MAX_DEFROUTERS   2
+#define UIP_CONF_ICMP6           1
+
+#define UIP_CONF_UDP             1
+#define UIP_CONF_UDP_CHECKSUMS   1
+
+#define UIP_CONF_TCP             1
+#define UIP_CONF_TCP_SPLIT       1
+
+
+typedef unsigned short clock_time_t;
+typedef unsigned char u8_t;
+typedef unsigned short u16_t;
+typedef unsigned long u32_t;
+typedef unsigned short uip_stats_t;
+typedef unsigned long off_t;
+
+void clock_delay(unsigned int us2);
+void clock_wait(int ms10);
+void clock_set_seconds(unsigned long s);
+unsigned long clock_seconds(void);
+
+#endif /* __CONTIKI_CONF_H__ */
diff --git a/platform/avr-rcb/contiki-rcb-main.c b/platform/avr-rcb/contiki-rcb-main.c
new file mode 100644
index 000000000..4cd1b6ba4
--- /dev/null
+++ b/platform/avr-rcb/contiki-rcb-main.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2006, Technical University of Munich
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * @(#)$$
+ */
+
+#include <avr/pgmspace.h>
+#include <avr/fuse.h>
+#include <avr/eeprom.h>
+#include <stdio.h>
+
+#include "lib/mmem.h"
+#include "loader/symbols-def.h"
+#include "loader/symtab.h"
+#include <stdbool.h>
+#include "mac.h"
+#include "sicslowmac.h"
+#include "sicslowpan.h"
+#include "ieee-15-4-manager.h"
+
+#include "contiki.h"
+#include "contiki-net.h"
+#include "contiki-lib.h"
+
+#include "dev/rs232.h"
+#include "dev/serial.h"
+#include "dev/slip.h"
+
+
+#include "sicslowmac.h"
+
+FUSES = 
+	{
+		.low = 0xe2,
+		.high = 0x99,
+		.extended = 0xff,
+	};
+	
+PROCESS(rcb_leds, "RCB leds process");
+
+PROCINIT(&etimer_process, &mac_process, &tcpip_process, &rcb_leds);
+
+/* Put default MAC address in EEPROM */
+uint8_t mac_address[8] EEMEM = {0x02, 0x11, 0x22, 0xff, 0xfe, 0x33, 0x44, 0x55};
+
+#define LED1 (1<<PE2)
+#define LED2 (1<<PE3)
+#define LED3 (1<<PE4)
+
+#define LEDOff(x) (PORTE |= (x))
+#define LEDOn(x) (PORTE &= ~(x))
+
+
+void
+init_lowlevel(void)
+{
+  /* Second rs232 port for debugging */
+  rs232_init(RS232_PORT_1, USART_BAUD_57600,
+             USART_PARITY_NONE | USART_STOP_BITS_1 | USART_DATA_BITS_8);
+
+  /* Redirect stdout to second port */
+  rs232_redirect_stdout(RS232_PORT_1);
+  
+  DDRE |= LED1 | LED2 | LED3;  
+}
+
+
+static struct etimer et;
+PROCESS_THREAD(rcb_leds, ev, data)
+{
+  u8_t error;
+
+  PROCESS_BEGIN();
+  
+  if((error = icmp6_new(NULL)) == 0) {
+    while(1) {
+      PROCESS_YIELD();
+      
+	  
+	  if (ev == ICMP6_ECHO_REQUEST) {
+		LEDOn(LED2);	
+		etimer_set(&et, CLOCK_SECOND/10);
+	  } else {
+		LEDOff(LED2);
+	  }
+    } 
+  }
+  PROCESS_END();
+}
+
+
+int
+main(void)
+{
+  //calibrate_rc_osc_32k(); //CO: Had to comment this out
+
+  /* Initialize hardware */
+  init_lowlevel();
+
+  /* Clock */
+  clock_init();
+
+  LEDOff(LED1 | LED2);
+
+  /* Process subsystem */
+  process_init();
+
+  /* Register initial processes */
+  procinit_init();
+
+  /* Autostart processes */
+  autostart_start(autostart_processes);
+  
+  printf_P(PSTR("\n********BOOTING CONTIKI*********\n"));
+
+  printf_P(PSTR("System online.\n"));
+
+  /* Main scheduler loop */
+  while(1) {
+    process_run();
+  }
+
+  return 0;
+}
diff --git a/platform/avr-rcb/contiki-rcb.h b/platform/avr-rcb/contiki-rcb.h
new file mode 100644
index 000000000..e640944a5
--- /dev/null
+++ b/platform/avr-rcb/contiki-rcb.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2006, Technical University of Munich
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * @(#)$$
+ */
+
+/**
+ * \file
+ *        Sample Contiki kernel for STK 501 development board
+ *
+ * \author
+ *         Simon Barner <barner@in.tum.de
+ */
+
+#ifndef __CONTIKI_RAVEN_H__
+#define __CONTIKI_RAVEN_H__
+
+#include "contiki.h"
+#include "contiki-net.h"
+#include "contiki-lib.h"
+
+#include "dev/rs232.h"
+
+#include "dev/serial.h"
+#include "dev/slip.h"
+
+void init_lowlevel(void);
+void init_net(void);
+
+
+#endif /* #ifndef __CONTIKI_RAVEN_H__ */
diff --git a/platform/avr-rcb/loadable_prg.c b/platform/avr-rcb/loadable_prg.c
new file mode 100644
index 000000000..ff4674689
--- /dev/null
+++ b/platform/avr-rcb/loadable_prg.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2006, Technical University of Munich
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * This file is part of the Contiki operating system.
+ *
+ * @(#)$$
+ *
+ */
+
+/**
+ * \file
+ *       Sample loadable module
+ *
+ * \author
+ *       Simon Barner <barner@in.tum.de>
+ */
+#include <stdio.h>
+#include "dev/rs232.h"
+#include "contiki.h"
+
+PROCESS(test_process1, "Test process");
+PROCESS_THREAD(test_process1, ev, data)
+{
+  static struct etimer etimer;
+
+  PROCESS_BEGIN();
+
+  rs232_print (RS232_PORT_1, "test_process 1 starting\n");
+
+  while(1) {
+    etimer_set(&etimer, CLOCK_SECOND);
+    PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
+    rs232_print (RS232_PORT_1, "Tick\n");
+    etimer_set(&etimer, CLOCK_SECOND);
+    PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
+    rs232_print (RS232_PORT_1, "Tack\n");
+  }
+
+  PROCESS_END();
+}
+
+
+CLIF struct process * const autostart_processes[] = {&test_process1};