bool peer_id_is_allocated(pm_peer_id_t peer_id)
{
if (peer_id < PM_PEER_ID_N_AVAILABLE_IDS)
{
return pm_mutex_lock_status_get(m_pi.active_peer_ids, peer_id);
}
return false;
}
void pm_buffer_release(pm_buffer_t * p_buffer, uint8_t id)
{
if ( BUFFER_IS_VALID(p_buffer)
&& (id != BUFFER_INVALID_ID)
&& pm_mutex_lock_status_get(p_buffer->p_mutex, id))
{
pm_mutex_unlock(p_buffer->p_mutex, id);
}
}
uint32_t peer_id_n_ids(void)
{
uint32_t n_ids = 0;
for (pm_peer_id_t i = 0; i < PM_PEER_ID_N_AVAILABLE_IDS; i++)
{
n_ids += pm_mutex_lock_status_get(m_pi.active_peer_ids, i);
}
return n_ids;
}
pm_peer_id_t next_id_get(pm_peer_id_t prev_peer_id, uint8_t * mutex_group)
{
pm_peer_id_t i = (prev_peer_id == PM_PEER_ID_INVALID) ? 0 : (prev_peer_id + 1);
for (; i < PM_PEER_ID_N_AVAILABLE_IDS; i++)
{
if (pm_mutex_lock_status_get(mutex_group, i))
{
return i;
}
}
return PM_PEER_ID_INVALID;
}
uint8_t * pm_buffer_ptr_get(pm_buffer_t * p_buffer, uint8_t id)
{
if (!BUFFER_IS_VALID(p_buffer))
{
return ( NULL );
}
if ( (id != BUFFER_INVALID_ID)
&& pm_mutex_lock_status_get(p_buffer->p_mutex, id) )
{
return ( &p_buffer->p_memory[id*p_buffer->block_size] );
}
else
{
return ( NULL );
}
}
