/*
 * 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
 */

#include <avr/pgmspace.h>
#include <avr/fuse.h>
#include <avr/eeprom.h>
#include <util/delay.h>
#include <stdio.h>
#include <string.h>

/* Set ANNOUNCE to send boot messages to USB serial port */
#define ANNOUNCE 1

#if RF230BB        //radio driver using contiki core mac
#include "radio/rf230bb/rf230bb.h"
#include "net/mac/frame802154.h"
#include "net/mac/framer-802154.h"
//#include "net/mac/framer-nullmac.h"
//#include "net/mac/framer.h"
#include "net/sicslowpan.h"
#include "net/uip-netif.h"
#include "net/mac/lpp.h"
//#include "dev/xmem.h"

#if WITH_NULLMAC
#define MAC_DRIVER nullmac_driver
#endif /* WITH_NULLMAC */

#ifndef MAC_DRIVER
#ifdef MAC_CONF_DRIVER
#define MAC_DRIVER MAC_CONF_DRIVER
#else
#define MAC_DRIVER sicslowmac_driver
//#define MAC_DRIVER cxmac_driver
#endif /* MAC_CONF_DRIVER */
#endif /* MAC_DRIVER */

#include "net/mac/sicslowmac.h"
#include "net/mac/cxmac.h"
#else                 //radio driver using Atmel/Cisco 802.15.4'ish MAC
#include <stdbool.h>
#include "mac.h"
#include "sicslowmac.h"
#include "sicslowpan.h"
#include "ieee-15-4-manager.h"
#endif /*RF230BB*/

#include "lib/mmem.h"
#include "loader/symbols-def.h"
#include "loader/symtab.h"

#include "contiki.h"
#include "contiki-net.h"
#include "contiki-lib.h"
#include "contiki-raven.h"

#include "usb_task.h"
#include "serial/cdc_task.h"
#include "rndis/rndis_task.h"
#include "storage/storage_task.h"

#if RF230BB
#warning Experimental RF230BB radio selected
#define UIP_IP_BUF ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
extern int rf230_interrupt_flag;
extern uint8_t rf230processflag;
#endif /* RF230BB */

#if 1  //dummy tcpip process not needed?
PROCESS(tcpip_process, "tcpip dummy");
PROCESS_THREAD(tcpip_process, ev, data)
{
  PROCESS_BEGIN();
  PROCESS_END();
}
void
tcpip_ipv6_output(void)
{
  printf("tcpipipv6output");
}
#endif


/*----------------------Configuration of the .elf file---------------------*/
typedef struct {unsigned char B2;unsigned char B1;unsigned char B0;} __signature_t;
#define SIGNATURE __signature_t __signature __attribute__((section (".signature")))
SIGNATURE = {
/* Older AVR-GCCs may not define the SIGNATURE_n bytes so use explicit values */
  .B2 = 0x82,//SIGNATURE_2, //AT90USB128x
  .B1 = 0x97,//SIGNATURE_1, //128KB flash
  .B0 = 0x1E,//SIGNATURE_0, //Atmel
};
FUSES ={.low = 0xde, .high = 0x99, .extended = 0xff,};

/* Put default MAC address in EEPROM */
uint8_t mac_address[8] EEMEM = {0x02, 0x12, 0x13, 0xff, 0xfe, 0x14, 0x15, 0x16};
//uint8_t EEMEM mac_address[8];     //The raven webserver uses this EEMEM allocation
//uint8_t EEMEM server_name[16];
//uint8_t EEMEM domain_name[30];

#if RF230BB
rimeaddr_t macLongAddr;
#endif

//uint8_t rtimerworks;
int
main(void)
{
#if ANNOUNCE
  uint32_t firsttime=0;
#endif
#if RF230BB
    rimeaddr_t addr;
#endif
  /*
   * GCC depends on register r1 set to 0.
   */
  asm volatile ("clr r1");

  /* Initialize hardware */
  init_lowlevel();
  
  /* Clock */
  clock_init();

/* rtimers not needed yet */
// rtimer_init();

  /* Process subsystem. */
  process_init();

  /* etimer process must be started before ctimer init */
  process_start(&etimer_process, NULL);
  
#ifdef RF230BB
{
  ctimer_init();
  /* Start radio and radio receive process */
  /* Note this starts RF230 process, so must be done after process_init */
  rf230_init();
  
 // set_rime_addr();
  framer_set(&framer_802154);
  queuebuf_init();
  sicslowpan_init(MAC_DRIVER.init(&rf230_driver));
// sicslowpan_init(sicslowmac_init(&rf230_driver));
// sicslowpan_init(lpp_init(&rf230_driver));
// sicslowpan_init(cxmac_init(&rf230_driver));

  /* Set addresses BEFORE starting tcpip process */

  memset(&addr, 0, sizeof(rimeaddr_t));
  AVR_ENTER_CRITICAL_REGION();
  eeprom_read_block ((void *)&addr.u8,  &mac_address, 8);
   AVR_LEAVE_CRITICAL_REGION();
 //RNDIS needs the mac address in reverse byte order
  macLongAddr.u8[0]=addr.u8[7];
  macLongAddr.u8[1]=addr.u8[6];
  macLongAddr.u8[2]=addr.u8[5];
  macLongAddr.u8[3]=addr.u8[4];
  macLongAddr.u8[4]=addr.u8[3];
  macLongAddr.u8[5]=addr.u8[2];
  macLongAddr.u8[6]=addr.u8[1];
  macLongAddr.u8[7]=addr.u8[0];
 
  memcpy(&uip_lladdr.addr, &addr.u8, 8);	
  rf230_set_pan_addr(IEEE802154_PANID, 0, (uint8_t *)&addr.u8);   //ABCD is default - dak

  rf230_set_channel(24);
  rimeaddr_set_node_addr(&addr); 
 // printf("MAC address %x:%x:%x:%x:%x:%x:%x:%x\n",addr.u8[0],addr.u8[1],addr.u8[2],addr.u8[3],addr.u8[4],addr.u8[5],addr.u8[6],addr.u8[7]);

 // uip_ip6addr(&ipprefix, 0xaaaa, 0, 0, 0, 0, 0, 0, 0);
 // uip_netif_addr_add(&ipprefix, UIP_DEFAULT_PREFIX_LEN, 0, AUTOCONF);
 // uip_nd6_prefix_add(&ipprefix, UIP_DEFAULT_PREFIX_LEN, 0);
 // PRINTF("Prefix %x::/%u\n",ipprefix.u16[0],UIP_DEFAULT_PREFIX_LEN);

#if UIP_CONF_ROUTER
  rime_init(rime_udp_init(NULL));
  uip_router_register(&rimeroute);
#endif
}
#endif /*RF230BB*/


#if RF230BB
  process_start(&tcpip_process, NULL);
#else
/* The order of starting these is important! */
  process_start(&mac_process, NULL);
  process_start(&tcpip_process, NULL);

#endif

  /* Setup USB */
  process_start(&usb_process, NULL);
  process_start(&cdc_process, NULL);
  process_start(&rndis_process, NULL);
  process_start(&storage_process, NULL);

  //Fix MAC address
  init_net();
  
   /* Main scheduler loop */
  while(1) {
    process_run();
#if 0
 if (rtimerworks) {
  printf("i");
  rtimerworks=0;
}
#endif

  /* Debugging - allow USB CDC to keep up with printfs */
#if ANNOUNCE
    if (firsttime++==36000){
       printf_P(PSTR("\n\n\n********BOOTING CONTIKI*********\n\r"));
#if RF230BB
    } else if (firsttime==40000) {
       printf("MAC address %x:%x:%x:%x:%x:%x:%x:%x\n\r",addr.u8[0],addr.u8[1],addr.u8[2],addr.u8[3],addr.u8[4],addr.u8[5],addr.u8[6],addr.u8[7]);

    } else if (firsttime==44000) {
      printf("Driver: %s, Channel: %u\n\r", MAC_DRIVER.name, rf230_get_channel()); 
#endif
    } else if (firsttime==48000) {
      printf_P(PSTR("System online.\n\r"));
    }
    
#if DEBUG && 0
    if (rf230processflag) {
       printf("**RF230 process flag %u\n\r",rf230processflag);
       rf230processflag=0;
    }
    if (rf230_interrupt_flag) {
 //     if (rf230_interrupt_flag!=11) {
        printf("**RF230 Interrupt %u\n\r",rf230_interrupt_flag);
 //     }
      rf230_interrupt_flag=0;
    }
#endif /* DEBUG */
#endif /* ANNOUNCE */
  }

  return 0;
}