Ejemplos de RADIO_TO_RTIMER en C++ (Cpp)

Ejemplo n.º 1

Archivo: cc2538-rf.c Proyecto: AmitSharma1094/contiki

/*---------------------------------------------------------------------------*/
static uint32_t
get_sfd_timestamp(void)
{
  uint64_t sfd, timer_val, buffer;

  REG(RFCORE_SFR_MTMSEL) = (REG(RFCORE_SFR_MTMSEL) & ~RFCORE_SFR_MTMSEL_MTMSEL) | 0x00000000;
  REG(RFCORE_SFR_MTCTRL) |= RFCORE_SFR_MTCTRL_LATCH_MODE;
  timer_val = REG(RFCORE_SFR_MTM0) & RFCORE_SFR_MTM0_MTM0;
  timer_val |= ((REG(RFCORE_SFR_MTM1) & RFCORE_SFR_MTM1_MTM1) << 8);
  REG(RFCORE_SFR_MTMSEL) = (REG(RFCORE_SFR_MTMSEL) & ~RFCORE_SFR_MTMSEL_MTMOVFSEL) | 0x00000000;
  timer_val |= ((REG(RFCORE_SFR_MTMOVF0) & RFCORE_SFR_MTMOVF0_MTMOVF0) << 16);
  timer_val |= ((REG(RFCORE_SFR_MTMOVF1) & RFCORE_SFR_MTMOVF1_MTMOVF1) << 24);
  buffer = REG(RFCORE_SFR_MTMOVF2) & RFCORE_SFR_MTMOVF2_MTMOVF2;
  timer_val |= (buffer << 32);

  REG(RFCORE_SFR_MTMSEL) = (REG(RFCORE_SFR_MTMSEL) & ~RFCORE_SFR_MTMSEL_MTMSEL) | 0x00000001;
  REG(RFCORE_SFR_MTCTRL) |= RFCORE_SFR_MTCTRL_LATCH_MODE;
  sfd = REG(RFCORE_SFR_MTM0) & RFCORE_SFR_MTM0_MTM0;
  sfd |= ((REG(RFCORE_SFR_MTM1) & RFCORE_SFR_MTM1_MTM1) << 8);
  REG(RFCORE_SFR_MTMSEL) = (REG(RFCORE_SFR_MTMSEL) & ~RFCORE_SFR_MTMSEL_MTMOVFSEL) | 0x00000010;
  sfd |= ((REG(RFCORE_SFR_MTMOVF0) & RFCORE_SFR_MTMOVF0_MTMOVF0) << 16);
  sfd |= ((REG(RFCORE_SFR_MTMOVF1) & RFCORE_SFR_MTMOVF1_MTMOVF1) << 24);
  buffer = REG(RFCORE_SFR_MTMOVF2) & RFCORE_SFR_MTMOVF2_MTMOVF2;
  sfd |= (buffer << 32);

  return RTIMER_NOW() - RADIO_TO_RTIMER(timer_val - sfd);
}

Ejemplo n.º 2

Archivo: micromac-radio.c Proyecto: Wmaia/contiki

/*---------------------------------------------------------------------------*/
static rtimer_clock_t
get_packet_timestamp(void)
{
  /* Save SFD timestamp, converted from radio timer to RTIMER */
  last_packet_timestamp = RTIMER_NOW() -
    RADIO_TO_RTIMER((uint32_t)(u32MMAC_GetTime() - u32MMAC_GetRxTime()));
  return last_packet_timestamp;
}