Example #1
0
/*---------------------------------------------------------------------------*/
int
cc2420_init(void)
{
  uint16_t reg;
  {
    int s = splhigh();
    cc2420_arch_init();		/* Initalize ports and SPI. */
    DISABLE_FIFOP_INT();
    FIFOP_INT_INIT();
    splx(s);
  }

  /* Turn on voltage regulator and reset. */
  SET_VREG_ACTIVE();
  //clock_delay(250); OK
  SET_RESET_ACTIVE();
  clock_delay(127);
  SET_RESET_INACTIVE();
  //clock_delay(125); OK


  /* Turn on the crystal oscillator. */
  strobe(CC2420_SXOSCON);

  /* Turn on/off automatic packet acknowledgment and address decoding. */
  reg = getreg(CC2420_MDMCTRL0);

  reg |= 0x40; /* XXX CCA mode 1 */
  
#if CC2420_CONF_AUTOACK
  reg |= AUTOACK | ADR_DECODE;
#else
  reg &= ~(AUTOACK | ADR_DECODE);
#endif /* CC2420_CONF_AUTOACK */
  setreg(CC2420_MDMCTRL0, reg);

  /* Change default values as recomended in the data sheet, */
  /* correlation threshold = 20, RX bandpass filter = 1.3uA. */
  setreg(CC2420_MDMCTRL1, CORR_THR(20));
  reg = getreg(CC2420_RXCTRL1);
  reg |= RXBPF_LOCUR;
  setreg(CC2420_RXCTRL1, reg);

  /* Set the FIFOP threshold to maximum. */
  setreg(CC2420_IOCFG0, FIFOP_THR(127));

  /* Turn off "Security enable" (page 32). */
  reg = getreg(CC2420_SECCTRL0);
  reg &= ~RXFIFO_PROTECTION;
  setreg(CC2420_SECCTRL0, reg);

  cc2420_set_pan_addr(0xffff, 0x0000, NULL);
  cc2420_set_channel(26);

  process_start(&cc2420_process, NULL);
  return 1;
}
Example #2
0
void
cc2420_init(void)
{
  u16_t reg;
  {
    int s = splhigh();
    __cc2420_arch_init();		/* Initalize ports and SPI. */
    DISABLE_FIFOP_INT();
    FIFOP_INT_INIT();
    splx(s);
  }

  /* Turn on voltage regulator and reset. */
  SET_VREG_ACTIVE();
  //clock_delay(250); OK
  SET_RESET_ACTIVE();
  clock_delay(127);
  SET_RESET_INACTIVE();
  //clock_delay(125); OK


  /* Turn on the crystal oscillator. */
  cc2420_strobe(CC2420_SXOSCON);

  /* Turn on automatic packet acknowledgment. */
  reg = cc2420_getreg(CC2420_MDMCTRL0);
  reg |= AUTOACK;
  cc2420_setreg(CC2420_MDMCTRL0, reg);

  /* Change default values as recomended in the data sheet, */
  /* correlation threshold = 20, RX bandpass filter = 1.3uA. */
  cc2420_setreg(CC2420_MDMCTRL1, CORR_THR(20));
  reg = cc2420_getreg(CC2420_RXCTRL1);
  reg |= RXBPF_LOCUR;
  cc2420_setreg(CC2420_RXCTRL1, reg);
  
  /* Set the FIFOP threshold to maximum. */
  cc2420_setreg(CC2420_IOCFG0, FIFOP_THR(127));

  /* Turn off "Security enable" (page 32). */
  reg = cc2420_getreg(CC2420_SECCTRL0);
  reg &= ~RXFIFO_PROTECTION;
  cc2420_setreg(CC2420_SECCTRL0, reg);

  cc2420_set_chan_pan_addr(11, 0xffff, 0x0000, NULL);
}
Example #3
0
static void
configure(void)
{
  uint16_t reg;
  BUSYWAIT_UNTIL(status() & (BV(CC2420_XOSC16M_STABLE)), RTIMER_SECOND / 100);

  /* Turn on/off automatic packet acknowledgment and address decoding. */
  reg = getreg(CC2420_MDMCTRL0);

#if CC2420_CONF_AUTOACK
  reg |= AUTOACK | ADR_DECODE;
#else
  reg &= ~(AUTOACK | ADR_DECODE);
#endif /* CC2420_CONF_AUTOACK */
  setreg(CC2420_MDMCTRL0, reg);

  /* Set transmission turnaround time to the lower setting (8 symbols
     = 0.128 ms) instead of the default (12 symbols = 0.192 ms). */
  /*  reg = getreg(CC2420_TXCTRL);
  reg &= ~(1 << 13);
  setreg(CC2420_TXCTRL, reg);*/

  /* Change default values as recomended in the data sheet, */
  /* correlation threshold = 20, RX bandpass filter = 1.3uA. */
  setreg(CC2420_MDMCTRL1, CORR_THR(20));
  reg = getreg(CC2420_RXCTRL1);
  reg |= RXBPF_LOCUR;
  setreg(CC2420_RXCTRL1, reg);

  /* Set the FIFOP threshold to maximum. */
  setreg(CC2420_IOCFG0, FIFOP_THR(127));

  /* Turn off "Security enable" (page 32). */
  reg = getreg(CC2420_SECCTRL0);
  reg &= ~RXFIFO_PROTECTION;
  setreg(CC2420_SECCTRL0, reg);

  cc2420_set_pan_addr(pan, addr, NULL);
  cc2420_set_channel(channel);

  flushrx();

}
Example #4
0
/*---------------------------------------------------------------------------*/
int
cc2520_init(void)
{
  {
    int s = splhigh();
    cc2520_arch_init();		/* Initalize ports and SPI. */
    CC2520_DISABLE_FIFOP_INT();
    CC2520_FIFOP_INT_INIT();
    splx(s);
  }

  SET_VREG_INACTIVE();
  clock_delay(250);
  /* Turn on voltage regulator and reset. */
  SET_VREG_ACTIVE();
  clock_delay(250);
  SET_RESET_ACTIVE();
  clock_delay(127);
  SET_RESET_INACTIVE();
  clock_delay(125);
  /* Turn on the crystal oscillator. */
  strobe(CC2520_INS_SXOSCON);
  clock_delay(125);

  BUSYWAIT_UNTIL(status() & (BV(CC2520_XOSC16M_STABLE)), RTIMER_SECOND / 100);

  /* Change default values as recommended in the data sheet, */
  /* correlation threshold = 20, RX bandpass filter = 1.3uA.*/

  setreg(CC2520_TXCTRL,      0x94);
  setreg(CC2520_TXPOWER,     0x13);    // Output power 1 dBm

  /*

	valeurs de TXPOWER
	  0x03 -> -18 dBm
	  0x2C -> -7 dBm
	  0x88 -> -4 dBm
	  0x81 -> -2 dBm
	  0x32 -> 0 dBm
	  0x13 -> 1 dBm
	  0x32 -> 0 dBm
	  0x13 -> 1 dBm
	  0xAB -> 2 dBm
	  0xF2 -> 3 dBm
	  0xF7 -> 5 dBm
  */
  setreg(CC2520_CCACTRL0,    0xF8);  // CCA treshold -80dBm

  // Recommended RX settings
  setreg(CC2520_MDMCTRL0,    0x84);  // Controls modem
  setreg(CC2520_MDMCTRL1,    0x14);  // Controls modem
  setreg(CC2520_RXCTRL,      0x3F);  // Adjust currents in RX related analog modules
  setreg(CC2520_FSCTRL,      0x5A);  // Adjust currents in synthesizer.
  setreg(CC2520_FSCAL1,      0x2B);  // Adjust currents in VCO
  setreg(CC2520_AGCCTRL1,    0x11);  // Adjust target value for AGC control loop
  setreg(CC2520_AGCCTRL2,    0xEB);

  //  Disable external clock
  setreg(CC2520_EXTCLOCK,    0x00);

  //  Tune ADC performance
  setreg(CC2520_ADCTEST0,    0x10);
  setreg(CC2520_ADCTEST1,    0x0E);
  setreg(CC2520_ADCTEST2,    0x03);

  /* Set auto CRC on frame. */
#if CC2520_CONF_AUTOACK
  setreg(CC2520_FRMCTRL0,    AUTOCRC | AUTOACK);
  setreg(CC2520_FRMFILT0,    FRAME_MAX_VERSION|FRAME_FILTER_ENABLE);
#else
  /* setreg(CC2520_FRMCTRL0,    0x60); */
  setreg(CC2520_FRMCTRL0,    AUTOCRC);
  /* Disable filter on @ (remove if you want to address specific wismote) */
  setreg(CC2520_FRMFILT0,    0x00);
#endif /* CC2520_CONF_AUTOACK */
  /* SET_RXENMASK_ON_TX */
  setreg(CC2520_FRMCTRL1,          1);
  /* Set FIFOP threshold to maximum .*/
  setreg(CC2520_FIFOPCTRL,   FIFOP_THR(0x7F));

  cc2520_set_pan_addr(0xffff, 0x0000, NULL);
  cc2520_set_channel(26);

  flushrx();

  process_start(&cc2520_process, NULL);
  return 1;
}
Example #5
0
/*---------------------------------------------------------------------------*/
int
cc2420_init(void)
{
  uint16_t reg;
  {
    int s = splhigh();
    cc2420_arch_init();		/* Initalize ports and SPI. */
    CC2420_DISABLE_FIFOP_INT();
    CC2420_FIFOP_INT_INIT();
    splx(s);
  }

  /* Turn on voltage regulator and reset. */
  SET_VREG_ACTIVE();
  clock_delay(250);
  SET_RESET_ACTIVE();
  clock_delay(127);
  SET_RESET_INACTIVE();
  clock_delay(125);


  /* Turn on the crystal oscillator. */
  strobe(CC2420_SXOSCON);

  /* Turn on/off automatic packet acknowledgment and address decoding. */
  reg = getreg(CC2420_MDMCTRL0);

#if CC2420_CONF_AUTOACK
  reg |= AUTOACK | ADR_DECODE;
#else
  reg &= ~(AUTOACK | ADR_DECODE);
#endif /* CC2420_CONF_AUTOACK */
  setreg(CC2420_MDMCTRL0, reg);

  /* Set transmission turnaround time to the lower setting (8 symbols
     = 0.128 ms) instead of the default (12 symbols = 0.192 ms). */
  /*  reg = getreg(CC2420_TXCTRL);
  reg &= ~(1 << 13);
  setreg(CC2420_TXCTRL, reg);*/

  
  /* Change default values as recomended in the data sheet, */
  /* correlation threshold = 20, RX bandpass filter = 1.3uA. */
  setreg(CC2420_MDMCTRL1, CORR_THR(20));
  reg = getreg(CC2420_RXCTRL1);
  reg |= RXBPF_LOCUR;
  setreg(CC2420_RXCTRL1, reg);

  /* Set the FIFOP threshold to maximum. */
  setreg(CC2420_IOCFG0, FIFOP_THR(127));

  /* Turn off "Security enable" (page 32). */
  reg = getreg(CC2420_SECCTRL0);
  reg &= ~RXFIFO_PROTECTION;
  setreg(CC2420_SECCTRL0, reg);

  cc2420_set_pan_addr(0xffff, 0x0000, NULL);
  cc2420_set_channel(CC2420_CONF_CHANNEL);
  cc2420_set_cca_threshold(CC2420_CONF_CCA_THRESH);

  flushrx();

  process_start(&cc2420_process, NULL);
  return 1;
}