uint32_t PPPFSM_destroy
(
PPPFSM_CFG_PTR fsm
/* [IN/OUT] - State Machine */
)
{ /* Body */
#if RTCSCFG_ENABLE_IP4
uint32_t error = PPP_OK;
PPP_mutex_lock(&fsm->MUTEX);
if (fsm->STATE > PPP_STATE_CLOSED) {
error = RTCSERR_PPP_FSM_ACTIVE;
} else {
fsm->STATE = PPP_STATE_INITIAL;
} /* Endif */
PPP_mutex_unlock(&fsm->MUTEX);
if (!error) {
PPP_mutex_destroy(&fsm->MUTEX);
} /* Endif */
return error;
#else
return RTCSERR_IP_IS_DISABLED;
#endif /* RTCSCFG_ENABLE_IP4 */
} /* Endbody */
uint_32 PPP_shutdown
(
_ppp_handle handle
/* [IN] - the PPP state structure */
)
{ /* Body */
#if RTCSCFG_ENABLE_IP4
PPP_CFG_PTR ppp_ptr = handle;
_rtcs_sem sem;
uint_32 error = RTCS_OK;
/* wait time in 0.1 Sec */
uint_32 wait_time = 50;
/* delay time in mS */
uint_32 delay_time = 100;
PPP_lowerdown(ppp_ptr);
ppp_ptr->STOP_RX = TRUE;
while(ppp_ptr->STOP_RX)
{
/* Waiting before Rx task will be closed or kill it. */
_time_delay(delay_time);
wait_time--;
if(!wait_time)
{
error = RTCSERR_TIMEOUT;
RTCS_task_destroy(ppp_ptr->RX_TASKID);
break;
}
}
/* Kill Tx task */
RTCS_sem_init(&sem);
PPP_send_shutdown(ppp_ptr, &sem);
RTCS_sem_wait(&sem);
RTCS_sem_destroy(&sem);
RTCS_msgpool_destroy(ppp_ptr->MSG_POOL);
CCP_destroy(ppp_ptr);
LCP_destroy(ppp_ptr);
PPP_mutex_destroy(&ppp_ptr->MUTEX);
PPP_memfree(handle);
return(error);
#else
return RTCSERR_IP_IS_DISABLED;
#endif /* RTCSCFG_ENABLE_IP4 */
} /* Endbody */
uint32_t PPP_release
(
_ppp_handle handle
/* [IN] - the PPP state structure */
)
{ /* Body */
#if RTCSCFG_ENABLE_IP4
PPP_CFG_PTR ppp_ptr = handle;
_rtcs_sem sem;
uint32_t error = RTCS_OK;
/* wait time in 0.1 Sec */
uint32_t wait_time = 50;
/* delay time in mS */
uint32_t delay_time = 100;
if (ppp_ptr == NULL)
{
return(RTCS_OK);
}
error = RTCS_if_unbind(ppp_ptr->IF_HANDLE, IPCP_get_local_addr(ppp_ptr->IF_HANDLE));
if (error != RTCS_OK)
{
return(error);
}
ppp_ptr->STOP_RX = TRUE;
/* Waiting before Rx task will be closed or kill it. */
while(ppp_ptr->STOP_RX)
{
_time_delay(delay_time);
wait_time--;
if(!wait_time)
{
error = RTCSERR_TIMEOUT;
RTCS_task_destroy(ppp_ptr->RX_TASKID);
break;
}
}
error = PPP_close(ppp_ptr);
if (error != PPP_OK)
{
return(error);
}
/* Kill Tx task */
RTCS_sem_init(&sem);
PPP_send_shutdown(ppp_ptr, &sem);
RTCS_sem_wait(&sem);
RTCS_sem_destroy(&sem);
error = _iopcb_close(ppp_ptr->DEVICE);
if (error != RTCS_OK)
{
return(error);
}
error = _iopcb_ppphdlc_release(ppp_ptr->DEVICE);
if (error != RTCS_OK)
{
return(error);
}
ppp_ptr->DEVICE = NULL;
error = RTCS_msgpool_destroy(ppp_ptr->MSG_POOL);
if (error != MQX_OK)
{
return(error);
}
/*
error = CCP_destroy(ppp_ptr);
if (error != PPP_OK)
{
return(error);
}
*/
error = LCP_destroy(ppp_ptr);
if (error != PPP_OK)
{
return(error);
}
PPP_mutex_destroy(&ppp_ptr->MUTEX);
if (ppp_ptr->IOPCB_DEVICE)
{
fflush(ppp_ptr->IOPCB_DEVICE);
error = fclose(ppp_ptr->IOPCB_DEVICE);
if (error != RTCS_OK)
{
return(error);
}
}
error = RTCS_if_remove(ppp_ptr->IF_HANDLE);
if (error != RTCS_OK)
{
return(error);
}
PPP_memfree(handle);
return(error);
#else
return RTCSERR_IP_IS_DISABLED;
#endif /* RTCSCFG_ENABLE_IP4 */
} /* Endbody */
uint_32 PPP_initialize
(
_iopcb_handle device,
/* [IN] - I/O stream to use */
_ppp_handle _PTR_ handle
/* [OUT] - the PPP state structure */
)
{ /* Body */
#if RTCSCFG_ENABLE_IP4
PPP_CFG_PTR ppp_ptr;
uint_32 i, error;
/* Allocate the state structure */
ppp_ptr = PPP_memalloc(sizeof(PPP_CFG));
if (!ppp_ptr) {
return RTCSERR_PPP_ALLOC_FAILED;
} /* Endif */
/* Initialize it */
PPP_memzero(ppp_ptr, sizeof(PPP_CFG));
ppp_ptr->LINK_STATE = FALSE;
ppp_ptr->DEVICE = device;
for (i = 0; i < PPP_CALL_MAX; i++) {
ppp_ptr->LCP_CALL[i].CALLBACK = NULL;
ppp_ptr->LCP_CALL[i].PARAM = NULL;
} /* Endfor */
ppp_ptr->PROT_CALLS = NULL;
ppp_ptr->RECV_OPTIONS = &PPP_DEFAULT_OPTIONS;
ppp_ptr->SEND_OPTIONS = &PPP_DEFAULT_OPTIONS;
/* Initialize the lwsem */
if (PPP_mutex_init(&ppp_ptr->MUTEX)) {
return RTCSERR_PPP_INIT_MUTEX_FAILED;
} /* Endif */
/* Initialize LCP */
error = LCP_init(ppp_ptr);
if (error) {
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return error;
} /* Endif */
/* Initialize CCP */
error = CCP_init(ppp_ptr);
if (error) {
LCP_destroy(ppp_ptr);
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return error;
} /* Endif */
CCP_open(ppp_ptr);
/* Create a pool of message buffers */
ppp_ptr->MSG_POOL = RTCS_msgpool_create(sizeof(PPP_MESSAGE),
PPP_MESSAGE_INITCOUNT, PPP_MESSAGE_GROWTH, PPP_MESSAGE_LIMIT);
if (ppp_ptr->MSG_POOL == MSGPOOL_NULL_POOL_ID) {
CCP_destroy(ppp_ptr);
LCP_destroy(ppp_ptr);
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return RTCSERR_PPP_CREATE_PKT_POOL_FAILED;
} /* Endif */
/* Create the Tx Task */
error = RTCS_task_create("PPP tx", _PPPTASK_priority,
_PPPTASK_stacksize + 1000,
PPP_tx_task, ppp_ptr);
if (error) {
RTCS_msgpool_destroy(ppp_ptr->MSG_POOL);
CCP_destroy(ppp_ptr);
LCP_destroy(ppp_ptr);
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return error;
} /* Endif */
/* Create the Rx Task */
/* Set task ready for run */
ppp_ptr->STOP_RX = FALSE;
error = RTCS_task_create("PPP rx", _PPPTASK_priority,
_PPPTASK_stacksize + 1000,
PPP_rx_task, ppp_ptr);
if (error) {
RTCS_msgpool_destroy(ppp_ptr->MSG_POOL);
CCP_destroy(ppp_ptr);
LCP_destroy(ppp_ptr);
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return error;
} /* Endif */
/* Return the handle */
ppp_ptr->VALID = PPP_VALID;
*handle = ppp_ptr;
return PPP_OK;
#else
return RTCSERR_IP_IS_DISABLED;
#endif /* RTCSCFG_ENABLE_IP4 */
} /* Endbody */