Added native-border-router and slip-radio

examples/ipv6/slip-radio/slip-net.c

@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2011, Swedish Institute of Computer Science.
+ * 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.
+ */
+
+#include "contiki.h"
+#include "net/netstack.h"
+#include "net/uip.h"
+#include "net/packetbuf.h"
+#include "dev/slip.h"
+#include <stdio.h>
+
+#define SLIP_END     0300
+#define SLIP_ESC     0333
+#define SLIP_ESC_END 0334
+#define SLIP_ESC_ESC 0335
+
+#define DEBUG 0
+
+/*---------------------------------------------------------------------------*/
+void
+slipnet_init(void)
+{
+}
+/*---------------------------------------------------------------------------*/
+void
+slip_send_packet(const uint8_t *ptr, int len)
+{
+  uint16_t i;
+  uint8_t c;
+
+  slip_arch_writeb(SLIP_END);
+  for(i = 0; i < len; ++i) {
+    c = *ptr++;
+    if(c == SLIP_END) {
+      slip_arch_writeb(SLIP_ESC);
+      c = SLIP_ESC_END;
+    } else if(c == SLIP_ESC) {
+      slip_arch_writeb(SLIP_ESC);
+      c = SLIP_ESC_ESC;
+    }
+    slip_arch_writeb(c);
+  }
+  slip_arch_writeb(SLIP_END);
+}
+/*---------------------------------------------------------------------------*/
+void
+slipnet_input(void)
+{
+  int i;
+  /* radio should be configured for filtering so this should be simple */
+  /* this should be sent over SLIP! */
+  /* so just copy into uip-but and send!!! */
+  /* Format: !R<data> ? */
+  uip_len = packetbuf_datalen();
+  i = packetbuf_copyto(uip_buf);
+
+  if(DEBUG) {
+    printf("Slipnet got input of len: %d, copied: %d\n",
+	   packetbuf_datalen(), i);
+
+    for(i = 0; i < uip_len; i++) {
+      printf("%02x", (unsigned char) uip_buf[i]);
+      if((i & 15) == 15) printf("\n");
+      else if((i & 7) == 7) printf(" ");
+    }
+    printf("\n");
+  }
+
+  /* printf("SUT: %u\n", uip_len); */
+  slip_send_packet(uip_buf, uip_len);
+}
+/*---------------------------------------------------------------------------*/
+const struct network_driver slipnet_driver = {
+  "slipnet",
+  slipnet_init,
+  slipnet_input
+};
+/*---------------------------------------------------------------------------*/