示例#1
0
/*
 * Starts a oneshot timer with a timeout in seconds.
 */
void btu_start_timer_oneshot(TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout_sec)
{
    osi_alarm_t *alarm = NULL;

    assert(p_tle != NULL);

    // Get the alarm for the timer list entry.
    osi_mutex_lock(&btu_oneshot_alarm_lock, OSI_MUTEX_MAX_TIMEOUT);
    if (!hash_map_has_key(btu_oneshot_alarm_hash_map, p_tle)) {
        alarm = osi_alarm_new("btu_oneshot", btu_oneshot_alarm_cb, (void *)p_tle, 0);
        hash_map_set(btu_oneshot_alarm_hash_map, p_tle, alarm);
    }
    osi_mutex_unlock(&btu_oneshot_alarm_lock);

    alarm = hash_map_get(btu_oneshot_alarm_hash_map, p_tle);
    if (alarm == NULL) {
        LOG_ERROR("%s Unable to create alarm", __func__);
        return;
    }
    osi_alarm_cancel(alarm);

    p_tle->event = type;
    p_tle->in_use = TRUE;
    // NOTE: This value is in seconds but stored in a ticks field.
    p_tle->ticks = timeout_sec;
    osi_alarm_set(alarm, (period_ms_t)(timeout_sec * 1000));
}
示例#2
0
void btu_start_quick_timer(TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout_ticks)
{
    osi_alarm_t *alarm = NULL;

    assert(p_tle != NULL);

    // Get the alarm for the timer list entry.
    osi_mutex_lock(&btu_l2cap_alarm_lock, OSI_MUTEX_MAX_TIMEOUT);
    if (!hash_map_has_key(btu_l2cap_alarm_hash_map, p_tle)) {
        alarm = osi_alarm_new("btu_l2cap", btu_l2cap_alarm_cb, (void *)p_tle, 0);
        hash_map_set(btu_l2cap_alarm_hash_map, p_tle, (void *)alarm);
    }
    osi_mutex_unlock(&btu_l2cap_alarm_lock);

    alarm = hash_map_get(btu_l2cap_alarm_hash_map, p_tle);
    if (alarm == NULL) {
        LOG_ERROR("%s Unable to create alarm", __func__);
        return;
    }
    osi_alarm_cancel(alarm);

    p_tle->event = type;
    p_tle->ticks = timeout_ticks;
    p_tle->in_use = TRUE;
    // The quick timer ticks are 100ms long.
    osi_alarm_set(alarm, (period_ms_t)(timeout_ticks * 100));
}
示例#3
0
static int hci_layer_init_env(void)
{
    command_waiting_response_t *cmd_wait_q;

    // The host is only allowed to send at most one command initially,
    // as per the Bluetooth spec, Volume 2, Part E, 4.4 (Command Flow Control)
    // This value can change when you get a command complete or command status event.
    hci_host_env.command_credits = 1;
    hci_host_env.command_queue = fixed_queue_new(SIZE_MAX);
    if (hci_host_env.command_queue) {
        fixed_queue_register_dequeue(hci_host_env.command_queue, event_command_ready);
    } else {
        LOG_ERROR("%s unable to create pending command queue.", __func__);
        return -1;
    }

    hci_host_env.packet_queue = fixed_queue_new(SIZE_MAX);
    if (hci_host_env.packet_queue) {
        fixed_queue_register_dequeue(hci_host_env.packet_queue, event_packet_ready);
    } else {
        LOG_ERROR("%s unable to create pending packet queue.", __func__);
        return -1;
    }

    // Init Commands waiting response list and timer
    cmd_wait_q = &hci_host_env.cmd_waiting_q;
    cmd_wait_q->timer_is_set = false;
    cmd_wait_q->commands_pending_response = list_new(NULL);
    if (!cmd_wait_q->commands_pending_response) {
        LOG_ERROR("%s unable to create list for commands pending response.", __func__);
        return -1;
    }
    pthread_mutex_init(&cmd_wait_q->commands_pending_response_lock, NULL);
    cmd_wait_q->command_response_timer = osi_alarm_new("cmd_rsp_to", command_timed_out, cmd_wait_q, COMMAND_PENDING_TIMEOUT);
    if (!cmd_wait_q->command_response_timer) {
        LOG_ERROR("%s unable to create command response timer.", __func__);
        return -1;
    }

    return 0;
}