Esempio n. 1
0
int main(void)
{
	#ifdef BOOTLOADER_SUPPORT
	_IVREG = _BV(IVCE);	            /* prepare ivec change */
	_IVREG = _BV(IVSEL);            /* change ivec to bootloader */
	#endif

	/* Clear the MCUSR Register to avoid endless wdreset loops */
	unsigned char reset_reason = 0;
	#ifdef MCUCSR
	reset_reason = MCUCSR;
	MCUCSR = 0;
	#else
		#ifdef MCUSR
		reset_reason = MCUSR;
		MCUSR = 0;
		#endif
	#endif

	/* Default DDR Config */
	#if IO_HARD_PORTS == 4 && DDR_MASK_A != 0
	DDRA = DDR_MASK_A;
	#endif
	#if DDR_MASK_B != 0
	DDRB = DDR_MASK_B;
	#endif
	#if DDR_MASK_C != 0
	DDRC = DDR_MASK_C;
	#endif
	#if DDR_MASK_D != 0
	DDRD = DDR_MASK_D;
	#endif
	#if IO_HARD_PORTS == 6
		#if DDR_MASK_E != 0
		DDRE = DDR_MASK_E;
		#endif
		#if DDR_MASK_F != 0
		DDRF = DDR_MASK_F;
		#endif
	#endif

	#ifdef STATUSLED_POWER_SUPPORT
	PIN_SET(STATUSLED_POWER);
	#endif

	//FIXME: zum ethersex meta system hinzufügen, aber vor allem anderem initalisieren
	debug_init();
	debug_printf("Ethersex " VERSION_STRING " (Debug mode)\n");

	#ifdef DEBUG_RESET_REASON
	     if (bit_is_set(reset_reason, BORF)) debug_printf("reset: Brown-out\n");
	else if (bit_is_set(reset_reason, PORF)) debug_printf("reset: Power on\n");
	else if (bit_is_set(reset_reason, WDRF)) debug_printf("reset: Watchdog\n");
	else if (bit_is_set(reset_reason, EXTRF)) debug_printf("reset: Extern\n");
	else debug_printf("reset: Unknown\n");
	#endif

	#ifdef BOOTLOADER_SUPPORT
	/* disable interrupts */
	cli();
	#else
	/* enable interrupts */
	sei();
	#endif //BOOTLOADER_SUPPORT

	#ifdef USE_WATCHDOG
		debug_printf("enabling watchdog\n");
		#ifdef DEBUG
		/* for debugging, test reset cause and jump to bootloader */
		if (MCUSR & _BV(WDRF)) {
			debug_printf("bootloader...\n");
			jump_to_bootloader();
		}
		#endif
		/* set watchdog to 2 seconds */
		wdt_enable(WDTO_2S);
		wdt_kick();
	#else //USE_WATCHDOG
		debug_printf("disabling watchdog\n");
		wdt_disable();
	#endif //USE_WATCHDOG

	#ifdef ADC_SUPPORT
	/* ADC Prescaler to 64 */
	ADCSRA = _BV(ADEN) | _BV(ADPS2) | _BV(ADPS1);
	/* ADC set Voltage Reference to extern*/
	/* FIXME: move config to the right place */
	ADMUX = ADC_REF; //_BV(REFS0) | _BV(REFS1);
	#endif

	#if defined(RFM12_SUPPORT) || defined(ENC28J60_SUPPORT) \
	|| defined(DATAFLASH_SUPPORT)
	spi_init();
	#endif

	ethersex_meta_init();

	#ifdef RFM12_SUPPORT
		rfm12_init();

		#ifdef TEENSY_SUPPORT
		cli ();
		rfm12_trans (0xa620);	/* rfm12_setfreq(RFM12FREQ(433.92)); */
		rfm12_trans (0x94ac);	/* rfm12_setbandwidth(5, 1, 4); */
			#ifdef RFM12_IP_SUPPORT
			rfm12_trans (0xc610);	/* rfm12_setbaud(192); */
			rfm12_trans (0x9820);	/* rfm12_setpower(0, 2); */
			rfm12_rxstart();
			#endif  /* RFM12_IP_SUPPORT */
		sei ();
		#else  /* TEENSY_SUPPORT */
		rfm12_setfreq(RFM12FREQ(433.92));
		rfm12_setbandwidth(5, 1, 4);
			#ifdef RFM12_IP_SUPPORT
			rfm12_setbaud(CONF_RFM12_BAUD / 100);
			rfm12_setpower(0, 2);
			rfm12_rxstart();
			#endif  /* RFM12_IP_SUPPORT */
		#endif  /* not TEENSY_SUPPORT */
	#endif  /* RFM12_SUPPORT */

	/* must be called AFTER all other initialization */
	#ifdef PORTIO_SUPPORT
	portio_init();
	#elif defined(NAMED_PIN_SUPPORT)
	np_simple_init();
	#endif

	#ifdef ENC28J60_SUPPORT
	debug_printf("enc28j60 revision 0x%x\n", read_control_register(REG_EREVID));
	debug_printf("mac: %02x:%02x:%02x:%02x:%02x:%02x\n",
			uip_ethaddr.addr[0],
			uip_ethaddr.addr[1],
			uip_ethaddr.addr[2],
			uip_ethaddr.addr[3],
			uip_ethaddr.addr[4],
			uip_ethaddr.addr[5]
			);
	#endif

	#ifdef STATUSLED_BOOTED_SUPPORT
	PIN_SET(STATUSLED_BOOTED);
	#endif

	ethersex_meta_startup();

	/* main loop */
	while(1) {

	wdt_kick();
	ethersex_meta_mainloop();

	#ifdef SD_READER_SUPPORT
	if (sd_active_partition == NULL) {
	    if (! sd_try_init ())
		vfs_sd_try_open_rootnode ();

	    wdt_kick();
	}
	#endif

	#ifndef BOOTLOAD_SUPPORT
		if(status.request_bootloader) {
			#ifdef CLOCK_CRYSTAL_SUPPORT
			_TIMSK_TIMER2 &= ~_BV(TOIE2);
			#endif
			#ifdef DCF77_SUPPORT
			ACSR &= ~_BV(ACIE);
			#endif
			cli();
			jump_to_bootloader();
		}

		#ifndef TEENSY_SUPPORT
		if(status.request_wdreset) {
			cli();
			wdt_enable(WDTO_15MS);
			for(;;);
		}
		#endif

		if(status.request_reset) {
			cli();

			void (* reset)(void) = NULL;
			reset();
		}
	#endif
	}

}
Esempio n. 2
0
int
main (void)
{
#ifdef BOOTLOADER_SUPPORT
  _IVREG = _BV (IVCE);    /* prepare ivec change */
  _IVREG = _BV (IVSEL);   /* change ivec to bootloader */
#endif

  /* Default DDR Config */
#if IO_HARD_PORTS >= 4 && DDR_MASK_A != 0
  DDRA = DDR_MASK_A;
#endif
#if DDR_MASK_B != 0
  DDRB = DDR_MASK_B;
#endif
#if DDR_MASK_C != 0
  DDRC = DDR_MASK_C;
#endif
#if DDR_MASK_D != 0
  DDRD = DDR_MASK_D;
#endif
#if IO_HARD_PORTS >= 6
#if DDR_MASK_E != 0
  DDRE = DDR_MASK_E;
#endif
#if DDR_MASK_F != 0
  DDRF = DDR_MASK_F;
#endif
#endif
#if IO_HARD_PORTS >= 7
#if DDR_MASK_G != 0
  DDRG = DDR_MASK_G;
#endif
#endif


#ifdef STATUSLED_POWER_SUPPORT
  PIN_SET(STATUSLED_POWER);
#endif

  //FIXME: zum ethersex meta system hinzufügen, aber vor allem anderem initalisieren
  debug_init();
  debug_printf("%S (Debug mode)\n", pstr_E6_VERSION_STRING_LONG);

#ifdef DEBUG_RESET_REASON
  if (bit_is_set (mcusr_mirror, BORF))
    debug_printf("reset: Brown-out\n");
  else if (bit_is_set (mcusr_mirror, PORF))
    debug_printf("reset: Power on\n");
  else if (bit_is_set (mcusr_mirror, WDRF))
    debug_printf("reset: Watchdog\n");
  else if (bit_is_set (mcusr_mirror, EXTRF))
    debug_printf("reset: Extern\n");
  else
    debug_printf("reset: Unknown\n");
#endif

#ifdef BOOTLOADER_SUPPORT
  /* disable interrupts */
  cli ();
  wdt_disable();
#endif //BOOTLOADER_SUPPORT
  /* enable interrupts */
  sei ();

#ifdef USE_WATCHDOG
  debug_printf("enabling watchdog\n");
#ifdef DEBUG
  /* for debugging, test reset cause and jump to bootloader */
  if (MCU_STATUS_REGISTER & _BV (WDRF))
  {
    debug_printf("bootloader...\n");
    jump_to_bootloader();
  }
#endif
  /* set watchdog to 2 seconds */
  wdt_enable(WDTO_2S);
  wdt_kick();
#else //USE_WATCHDOG
  debug_printf("disabling watchdog\n");
  wdt_disable();
#endif //USE_WATCHDOG

#ifdef SPI_SUPPORT
  spi_init();
#endif

  ethersex_meta_init();

  /* must be called AFTER all other initialization */
#ifdef PORTIO_SUPPORT
  portio_init();
#elif defined(NAMED_PIN_SUPPORT)
  np_simple_init();
#endif

#ifdef ENC28J60_SUPPORT
  debug_printf ("enc28j60 revision 0x%x\n",
  read_control_register (REG_EREVID));
  debug_printf ("mac: %02x:%02x:%02x:%02x:%02x:%02x\n",
	  uip_ethaddr.addr[0], uip_ethaddr.addr[1], uip_ethaddr.addr[2],
	  uip_ethaddr.addr[3], uip_ethaddr.addr[4], uip_ethaddr.addr[5]);
#endif

#ifdef STATUSLED_BOOTED_SUPPORT
  PIN_SET(STATUSLED_BOOTED);
#endif

  ethersex_meta_startup();
  /* main loop */
  while (1)
  {
    wdt_kick();
    ethersex_meta_mainloop();

#ifdef SD_READER_SUPPORT
    if (sd_active_partition == NULL)
    {
      if (!sd_try_init())
      {
#ifdef VFS_SD_SUPPORT
        vfs_sd_try_open_rootnode();
#endif
      }
      wdt_kick();
    }
#endif

#ifdef BOOTLOADER_JUMP
    if (status.request_bootloader)
    {
#ifdef MBR_SUPPORT
      mbr_config.bootloader = 1;
      write_mbr();
#endif
#ifdef CLOCK_CRYSTAL_SUPPORT
      TIMER_8_AS_1_INT_OVERFLOW_OFF;
#endif
#ifdef DCF77_SUPPORT
      ACSR &= ~_BV (ACIE);
#endif
      cli();
      jump_to_bootloader();
    }
#endif

#ifndef TEENSY_SUPPORT
    if (status.request_wdreset)
    {
      cli();
      wdt_enable(WDTO_15MS);
      for (;;);
    }
#endif

    if (status.request_reset)
    {
      cli();
      void (*reset) (void) = NULL;
      reset();
    }
  }
}