Exemple #1
0
int 
initpwm(void)
{
  int i;
  int retval;

  for(i = 0; i < RC_NUM; i++)
    {
      up_interval[i] = RANGE_MAP100(ranges[i][0], ranges[i][1], 0);
      reconfigured[i] = 0;
    }

  retval = InitGPIO(channels, sizeof(channels) / sizeof(channels[0]));
  if(retval)
  {
    rtdm_printk("TB6612FNG: GPIO initialization failed\n");
    return retval;
  }
  rtdm_printk("TB6612FNG: GPIO initialized\n");

  rtdm_printk("TB6612FNG: Starting PWM generation timers.\n");
  retval = rtdm_timer_init(&up_timer, pwm_up, "up timer");
  if(retval)
    {
      rtdm_printk("TB6612FNG: error initializing up-timer: %i\n", retval);
      return retval;
    }

  for(i = 0; i < RC_NUM; i++)
    {
      retval = rtdm_timer_init(&down_timer[i], pwm_down, "down timer");
      if(retval)
	{
	  rtdm_printk("TB6612FNG: error initializing down-timer #%i: %i\n", i, retval);
	  return retval;
	}
    }

  retval = rtdm_timer_start(&up_timer, 
			    PERIOD, // we will use periodic timer
			    PERIOD, // PERIOD period
			    RTDM_TIMERMODE_RELATIVE);
  if(retval)
    {
      rtdm_printk("TB6612FNG: error starting up-timer: %i\n", retval);
      return retval;
    }
  rtdm_printk("TB6612FNG: timers created\n");

  return 0;
}
Exemple #2
0
static int inj1_timer_init(void)
{
	int ret;
	  ret = rtdm_timer_init(&inj1_timer, inj1_int, "EMS-Inj1");
	  if(ret != 0)
	  {
		  return -1;
	  }
	  return 0;
}
Exemple #3
0
static int rtswitch_open(struct rtdm_dev_context *context,
                         rtdm_user_info_t *user_info,
                         int oflags)
{
	rtswitch_context_t *ctx = (rtswitch_context_t *) context->dev_private;

	ctx->tasks = NULL;
	ctx->tasks_count = ctx->next_index = ctx->cpu = ctx->switches_count = 0;
	init_MUTEX(&ctx->lock);
	ctx->failed = 0;
	ctx->error.last_switch.from = ctx->error.last_switch.to = -1;
	ctx->pause_us = 0;

	rtdm_timer_init(&ctx->wake_up_delay, timed_wake_up, "switchtest timer");

	return 0;
}
static void rtcfg_client_recv_stage_2_cfg(int ifindex, struct rtskb *rtskb)
{
    struct rtcfg_frm_stage_2_cfg *stage_2_cfg;
    struct rtcfg_device          *rtcfg_dev = &device[ifindex];
    size_t                       data_len;
    int                          ret;


    if (rtskb->len < sizeof(struct rtcfg_frm_stage_2_cfg)) {
        rtdm_mutex_unlock(&rtcfg_dev->dev_mutex);
        RTCFG_DEBUG(1, "RTcfg: received invalid stage_2_cfg frame\n");
        kfree_rtskb(rtskb);
        return;
    }

    stage_2_cfg = (struct rtcfg_frm_stage_2_cfg *)rtskb->data;
    __rtskb_pull(rtskb, sizeof(struct rtcfg_frm_stage_2_cfg));

    if (stage_2_cfg->heartbeat_period) {
	ret = rtdm_timer_init(&rtcfg_dev->timer, rtcfg_timer, "rtcfg-timer");
	if (ret == 0) {
	    ret = rtdm_timer_start(&rtcfg_dev->timer,
				XN_INFINITE,
				(nanosecs_rel_t)ntohs(stage_2_cfg->heartbeat_period) *
				1000000,
				RTDM_TIMERMODE_RELATIVE);
	    if (ret < 0)
		rtdm_timer_destroy(&rtcfg_dev->timer);
	}

        if (ret < 0)
            /*ERRMSG*/rtdm_printk("RTcfg: unable to create timer task\n");
        else
	    set_bit(FLAG_TIMER_STARTED, &rtcfg_dev->flags);
    }

    /* add server to station list */
    if (rtcfg_add_to_station_list(rtcfg_dev,
            rtskb->mac.ethernet->h_source, stage_2_cfg->flags) < 0) {
        rtdm_mutex_unlock(&rtcfg_dev->dev_mutex);
        RTCFG_DEBUG(1, "RTcfg: unable to process stage_2_cfg frage\n");
        kfree_rtskb(rtskb);
        return;
    }

    rtcfg_dev->other_stations   = ntohl(stage_2_cfg->stations);
    rtcfg_dev->spec.clt.cfg_len = ntohl(stage_2_cfg->cfg_len);
    data_len = MIN(rtcfg_dev->spec.clt.cfg_len, rtskb->len);

    if (test_bit(RTCFG_FLAG_STAGE_2_DATA, &rtcfg_dev->flags) &&
        (data_len > 0)) {
        rtcfg_client_queue_frag(ifindex, rtskb, data_len);
        rtskb = NULL;

        if (rtcfg_dev->stations_found == rtcfg_dev->other_stations)
            rtcfg_next_main_state(ifindex, RTCFG_MAIN_CLIENT_ALL_KNOWN);
    } else {
        if (rtcfg_dev->stations_found == rtcfg_dev->other_stations) {
            rtcfg_complete_cmd(ifindex, RTCFG_CMD_ANNOUNCE, 0);

            rtcfg_next_main_state(ifindex,
				test_bit(RTCFG_FLAG_READY, &rtcfg_dev->flags) ?
				RTCFG_MAIN_CLIENT_READY : RTCFG_MAIN_CLIENT_2);
        } else
            rtcfg_next_main_state(ifindex, RTCFG_MAIN_CLIENT_ALL_FRAMES);

        rtcfg_send_ack(ifindex);
    }

    rtdm_mutex_unlock(&rtcfg_dev->dev_mutex);

    if (rtskb != NULL)
        kfree_rtskb(rtskb);
}