/*---------------------------------------------------------------------------*/
int
main(void)
{

  /* Hardware initialization */
  bus_init();//ʱÖÓ³õʼ»¯
  rtimer_init();//¼ÆʱÆ÷³õʼ»¯

  /* model-specific h/w init. */
  io_port_init();

  /* Init LEDs here */
  leds_init();//LED³õʼ»¯
  /*LEDS_GREEN indicate LEDs Init finished*/
  fade(LEDS_GREEN);

  /* initialize process manager. */
  process_init();//½ø³Ì¹ÜÀí³õʼ»¯

  /* Init UART0
   * Based on the EJOY MCU CC2430 Circuit Design
   *  */
  uart0_init();//UART0´®¿Ú³õʼ»¯

#if DMA_ON
  dma_init();//DMA³õʼ»¯
#endif

#if SLIP_ARCH_CONF_ENABLE
  /* On cc2430, the argument is not used */
  slip_arch_init(0);//SLIP³õʼ»¯
#else
  uart1_set_input(serial_line_input_byte);
  serial_line_init();
#endif

  PUTSTRING("##########################################\n");
  putstring(CONTIKI_VERSION_STRING "\n");
//  putstring(SENSINODE_MODEL " (CC24");
  puthex(((CHIPID >> 3) | 0x20));
  putstring("-" FLASH_SIZE ")\n");

#if STARTUP_VERBOSE
#ifdef HAVE_SDCC_BANKING
  PUTSTRING("  With Banking.\n");
#endif /* HAVE_SDCC_BANKING */
#ifdef SDCC_MODEL_LARGE
  PUTSTRING("  --model-large\n");
#endif /* SDCC_MODEL_LARGE */
#ifdef SDCC_MODEL_HUGE
  PUTSTRING("  --model-huge\n");
#endif /* SDCC_MODEL_HUGE */
#ifdef SDCC_STACK_AUTO
  PUTSTRING("  --stack-auto\n");
#endif /* SDCC_STACK_AUTO */

  PUTCHAR('\n');

  PUTSTRING(" Net: ");
  PUTSTRING(NETSTACK_NETWORK.name);
  PUTCHAR('\n');
  PUTSTRING(" MAC: ");
  PUTSTRING(NETSTACK_MAC.name);
  PUTCHAR('\n');
  PUTSTRING(" RDC: ");
  PUTSTRING(NETSTACK_RDC.name);
  PUTCHAR('\n');

  PUTSTRING("##########################################\n");
#endif

  watchdog_init();//¿´ÃŹ·³õʼ»¯

  /* Initialise the cc2430 RNG engine. */
  random_init(0);//Ëæ»úÊýÉú³ÉÆ÷³õʼ»¯

  /* start services */
  process_start(&etimer_process, NULL);//
  ctimer_init();//ctimer³õʼ»¯

  /* initialize the netstack */
  netstack_init();//ÍøÂçµ×²ãÕ»³õʼ»¯
  set_rime_addr();//rimeµØÖ·ÉèÖÃ

//there is no sensor for us maintenance
#if BUTTON_SENSOR_ON || ADC_SENSOR_ON
  process_start(&sensors_process, NULL);
  sensinode_sensors_activate();
#endif

//IPV6,YES!
#if UIP_CONF_IPV6
  memcpy(&uip_lladdr.addr, &rimeaddr_node_addr, sizeof(uip_lladdr.addr));
  queuebuf_init();
  process_start(&tcpip_process, NULL);
//DISCO
#if DISCO_ENABLED
  process_start(&disco_process, NULL);
#endif /* DISCO_ENABLED */
//VIZTOOL
#if VIZTOOL_CONF_ON
  process_start(&viztool_process, NULL);
#endif

#if (!UIP_CONF_IPV6_RPL)
  {
    uip_ipaddr_t ipaddr;
    uip_ip6addr(&ipaddr, 0x2001, 0x630, 0x301, 0x6453, 0, 0, 0, 0);
    uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
    uip_ds6_addr_add(&ipaddr, 0, ADDR_TENTATIVE);
  }
#endif /* UIP_CONF_IPV6_RPL */
#endif /* UIP_CONF_IPV6 */

  /*
   * Acknowledge the UART1 RX interrupt
   * now that we're sure we are ready to process it
   *
   * We don't need it. by MW
   */
//  model_uart_intr_en();

  energest_init();
  ENERGEST_ON(ENERGEST_TYPE_CPU);

  fade(LEDS_RED);

#if BATMON_CONF_ON
  process_start(&batmon_process, NULL);
#endif

  autostart_start(autostart_processes);

  watchdog_start();

  while(1) {
    do {
      /* Reset watchdog and handle polls and events */
      watchdog_periodic();

      /**/
#if !CLOCK_CONF_ACCURATE
      if(sleep_flag) {
        if(etimer_pending() &&
            (etimer_next_expiration_time() - count - 1) > MAX_TICKS) { /*core/sys/etimer.c*/
          etimer_request_poll();
        }
        sleep_flag = 0;
      }
#endif
      r = process_run();
    } while(r > 0);
#if SHORTCUTS_CONF_NETSTACK
    len = NETSTACK_RADIO.pending_packet();
    if(len) {
      packetbuf_clear();
      len = NETSTACK_RADIO.read(packetbuf_dataptr(), PACKETBUF_SIZE);
      if(len > 0) {
        packetbuf_set_datalen(len);
        NETSTACK_RDC.input();
      }
    }
#endif

#if LPM_MODE
#if (LPM_MODE==LPM_MODE_PM2)
    SLEEP &= ~OSC_PD;            /* Make sure both HS OSCs are on */
    while(!(SLEEP & HFRC_STB));  /* Wait for RCOSC to be stable */
    CLKCON |= OSC;               /* Switch to the RCOSC */
    while(!(CLKCON & OSC));      /* Wait till it's happened */
    SLEEP |= OSC_PD;             /* Turn the other one off */
#endif /* LPM_MODE==LPM_MODE_PM2 */

    /*
     * Set MCU IDLE or Drop to PM1. Any interrupt will take us out of LPM
     * Sleep Timer will wake us up in no more than 7.8ms (max idle interval)
     */
    SLEEP = (SLEEP & 0xFC) | (LPM_MODE - 1);

#if (LPM_MODE==LPM_MODE_PM2)
    /*
     * Wait 3 NOPs. Either an interrupt occurred and SLEEP.MODE was cleared or
     * no interrupt occurred and we can safely power down
     */
    __asm
      nop
      nop
      nop
    __endasm;

    if (SLEEP & SLEEP_MODE0) {
#endif /* LPM_MODE==LPM_MODE_PM2 */

      ENERGEST_OFF(ENERGEST_TYPE_CPU);
      ENERGEST_ON(ENERGEST_TYPE_LPM);

      /* We are only interested in IRQ energest while idle or in LPM */
      ENERGEST_IRQ_RESTORE(irq_energest);

      /* Go IDLE or Enter PM1 */
      PCON |= IDLE;

      /* First instruction upon exiting PM1 must be a NOP */
      __asm
        nop
      __endasm;

      /* Remember energest IRQ for next pass */
      ENERGEST_IRQ_SAVE(irq_energest);

      ENERGEST_ON(ENERGEST_TYPE_CPU);
      ENERGEST_OFF(ENERGEST_TYPE_LPM);

#if (LPM_MODE==LPM_MODE_PM2)
      SLEEP &= ~OSC_PD;            /* Make sure both HS OSCs are on */
      while(!(SLEEP & XOSC_STB));  /* Wait for XOSC to be stable */
      CLKCON &= ~OSC;              /* Switch to the XOSC */
      /*
       * On occasion the XOSC is reported stable when in reality it's not.
       * We need to wait for a safeguard of 64us or more before selecting it
       */
      clock_delay(10);
      while(CLKCON & OSC);         /* Wait till it's happened */
    }
#endif /* LPM_MODE==LPM_MODE_PM2 */
#endif /* LPM_MODE */
  }
}
Пример #2
0
void __init
setup_arch (char **cmdline_p)
{
	unw_init();

	ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);

	*cmdline_p = __va(ia64_boot_param->command_line);
	strlcpy(saved_command_line, *cmdline_p, COMMAND_LINE_SIZE);

	efi_init();
	io_port_init();

#ifdef CONFIG_IA64_GENERIC
	machvec_init(acpi_get_sysname());
#endif

	if (early_console_setup(*cmdline_p) == 0)
		mark_bsp_online();

#ifdef CONFIG_ACPI_BOOT
	/* Initialize the ACPI boot-time table parser */
	acpi_table_init();
# ifdef CONFIG_ACPI_NUMA
	acpi_numa_init();
# endif
#else
# ifdef CONFIG_SMP
	smp_build_cpu_map();	/* happens, e.g., with the Ski simulator */
# endif
#endif /* CONFIG_APCI_BOOT */

	find_memory();

	/* process SAL system table: */
	ia64_sal_init(efi.sal_systab);

#ifdef CONFIG_SMP
	cpu_physical_id(0) = hard_smp_processor_id();
#endif

	cpu_init();	/* initialize the bootstrap CPU */

#ifdef CONFIG_ACPI_BOOT
	acpi_boot_init();
#endif

#ifdef CONFIG_VT
	if (!conswitchp) {
# if defined(CONFIG_DUMMY_CONSOLE)
		conswitchp = &dummy_con;
# endif
# if defined(CONFIG_VGA_CONSOLE)
		/*
		 * Non-legacy systems may route legacy VGA MMIO range to system
		 * memory.  vga_con probes the MMIO hole, so memory looks like
		 * a VGA device to it.  The EFI memory map can tell us if it's
		 * memory so we can avoid this problem.
		 */
		if (efi_mem_type(0xA0000) != EFI_CONVENTIONAL_MEMORY)
			conswitchp = &vga_con;
# endif
	}
#endif

	/* enable IA-64 Machine Check Abort Handling unless disabled */
	if (!strstr(saved_command_line, "nomca"))
		ia64_mca_init();
	
	platform_setup(cmdline_p);
	paging_init();
}
Пример #3
0
void __init
setup_arch (char **cmdline_p)
{
	unw_init();

	ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);

	*cmdline_p = __va(ia64_boot_param->command_line);
	strlcpy(saved_command_line, *cmdline_p, COMMAND_LINE_SIZE);

	efi_init();
	io_port_init();

	parse_early_param();

#ifdef CONFIG_IA64_GENERIC
	machvec_init(NULL);
#endif

	if (early_console_setup(*cmdline_p) == 0)
		mark_bsp_online();

#ifdef CONFIG_ACPI
	/* Initialize the ACPI boot-time table parser */
	acpi_table_init();
# ifdef CONFIG_ACPI_NUMA
	acpi_numa_init();
# endif
#else
# ifdef CONFIG_SMP
	smp_build_cpu_map();	/* happens, e.g., with the Ski simulator */
# endif
#endif /* CONFIG_APCI_BOOT */

	find_memory();

	/* process SAL system table: */
	ia64_sal_init(__va(efi.sal_systab));

	ia64_setup_printk_clock();

#ifdef CONFIG_SMP
	cpu_physical_id(0) = hard_smp_processor_id();

	cpu_set(0, cpu_sibling_map[0]);
	cpu_set(0, cpu_core_map[0]);

	check_for_logical_procs();
	if (smp_num_cpucores > 1)
		printk(KERN_INFO
		       "cpu package is Multi-Core capable: number of cores=%d\n",
		       smp_num_cpucores);
	if (smp_num_siblings > 1)
		printk(KERN_INFO
		       "cpu package is Multi-Threading capable: number of siblings=%d\n",
		       smp_num_siblings);
#endif

	cpu_init();	/* initialize the bootstrap CPU */
	mmu_context_init();	/* initialize context_id bitmap */

#ifdef CONFIG_ACPI
	acpi_boot_init();
#endif

#ifdef CONFIG_VT
	if (!conswitchp) {
# if defined(CONFIG_DUMMY_CONSOLE)
		conswitchp = &dummy_con;
# endif
# if defined(CONFIG_VGA_CONSOLE)
		/*
		 * Non-legacy systems may route legacy VGA MMIO range to system
		 * memory.  vga_con probes the MMIO hole, so memory looks like
		 * a VGA device to it.  The EFI memory map can tell us if it's
		 * memory so we can avoid this problem.
		 */
		if (efi_mem_type(0xA0000) != EFI_CONVENTIONAL_MEMORY)
			conswitchp = &vga_con;
# endif
	}
#endif

	/* enable IA-64 Machine Check Abort Handling unless disabled */
	if (!nomca)
		ia64_mca_init();

	platform_setup(cmdline_p);
	paging_init();
}