/************************************************************************
* NAME: fnet_timer_free
*
* DESCRIPTION: Frees software timer, which is pointed by tl_ptr
*
*************************************************************************/
void fnet_timer_free( fnet_timer_desc_t timer )
{
struct fnet_net_timer *tl = (struct fnet_net_timer *)timer;
struct fnet_net_timer *tl_temp;
if(tl)
{
if(tl == fnet_tl_head)
{
fnet_tl_head = fnet_tl_head->next;
}
else
{
tl_temp = fnet_tl_head;
while(tl_temp->next != tl)
{
tl_temp = tl_temp->next;
}
tl_temp->next = tl->next;
}
fnet_free(tl);
}
}
/************************************************************************
* NAME: fnet_timer_release
*
* DESCRIPTION: Frees the memory, which was allocated for all
* TCP/IP timers, and removes hardware timer
*************************************************************************/
void fnet_timer_release( void )
{
struct fnet_net_timer *tmp_tl;
FNET_HW_TIMER_RELEASE();
while(fnet_tl_head != 0)
{
tmp_tl = fnet_tl_head->next;
fnet_free(fnet_tl_head);
fnet_tl_head = tmp_tl;
}
}
/************************************************************************
* NAME: fnet_isr_vector_release
*
* DESCRIPTION: Sets the interrupt handler 'handler' for the interrupt vector
* with number 'vector_number' at the exception vector table but
* destroys info about old interrupt handler and removes
* information from 'fnet_isr_table' queue
*************************************************************************/
void fnet_isr_vector_release(fnet_uint32_t vector_number)
{
fnet_isr_entry_t *isr_temp;
isr_temp = fnet_isr_table;
while (isr_temp != 0)
{
if (isr_temp->vector_number == vector_number)
{
break;
}
isr_temp = isr_temp->next;
}
if (isr_temp != 0) /* if handler wasn't registered in queue */
{
fnet_free(isr_temp);
if (fnet_isr_table->vector_number == vector_number)
{
fnet_isr_table = fnet_isr_table->next;
}
else
{
isr_temp = fnet_isr_table;
while (isr_temp->next != 0)
{
if (isr_temp->next->vector_number == vector_number)
{
isr_temp->next = isr_temp->next->next;
break;
}
isr_temp = isr_temp->next;
}
}
}
}
