TinyOS basic PPPRouter example. This does nothing useful. However, you can use it to check if you can ping your mote.

gistfile1.txt

COMPONENT=PppRouterC
PFLAGS += -DCC2420_DEF_CHANNEL=$(TOS_CHANNEL)
#PFLAGS += -Os

# use rpl
 PFLAGS += -DRPL_ROUTING -DRPL_STORING_MODE -I$(LOWPAN_ROOT)/tos/lib/net/rpl

# and ppp
PFLAGS += -I$(TOSDIR)/lib/ppp
PFLAGS += -I$(TOSDIR)/lib/fragpool

# this works around fragmentation in the RX buffer pool
PFLAGS += -DPPP_HDLC_RX_FRAME_LIMIT=1 -DPPP_HDLC_TX_FRAME_LIMIT=8

# Set this when you want to use statically assigned addresses. The stack will
# not use DHCP in that case.
PFLAGS += -DIN6_PREFIX=\"fec0::\"

include $(MAKERULES)

PppRouterC.nc

#include <iprouting.h>

#include "ppp.h"

configuration PppRouterC {
} implementation {
  components PppRouterP;

  components MainC;
  PppRouterP.Boot -> MainC;

  components LedsC as LedsC;
  PppRouterP.Leds -> LedsC;

  components PppDaemonC;
  PppRouterP.PppControl -> PppDaemonC;

  components PppIpv6C;
  PppDaemonC.PppProtocol[PppIpv6C.ControlProtocol] -> PppIpv6C.PppControlProtocol;
  PppDaemonC.PppProtocol[PppIpv6C.Protocol] -> PppIpv6C.PppProtocol;
  PppIpv6C.Ppp -> PppDaemonC;
  PppIpv6C.LowerLcpAutomaton -> PppDaemonC;

  PppRouterP.Ipv6LcpAutomaton -> PppIpv6C;
  PppRouterP.PppIpv6 -> PppIpv6C;
  PppRouterP.Ppp -> PppDaemonC;

  components PlatformHdlcUartC as HdlcUartC;

  PppDaemonC.HdlcUart -> HdlcUartC;
  PppDaemonC.UartControl -> HdlcUartC;

  components IPStackC, IPForwardingEngineP, IPPacketC;
  IPForwardingEngineP.IPForward[ROUTE_IFACE_PPP] -> PppRouterP.IPForward;
  PppRouterP.IPControl -> IPStackC;

  PppRouterP.ForwardingTable -> IPStackC;

  components StaticIPAddressTosIdC;
}