src: unicens: import sources

This patch adds the source tree of the NetworkManager v3.0.4.
Additionally, it provides the needed configuration scripts.

Change-Id: I23778b51423b51a4f87741957e0fb208bceb79b3
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>

1 files changed, 259 insertions, 0 deletions

diff --git a/mnsl/mns_scheduler.c b/mnsl/mns_scheduler.c
new file mode 100644
index 0000000..1fc5273
--- /dev/null
+++ b/mnsl/mns_scheduler.c
@@ -0,0 +1,259 @@
+/*
+ * MOST NetServices "Light" V3.2.7.0.1796 MultiInstance Patch
+ *
+ * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+/*!
+ * \file
+ * \brief Implementation of the scheduler module. The module consists of the two classes
+ *        CScheduler and CService.
+ *
+ * \cond MNS_INTERNAL_DOC
+ * \addtogroup G_SCHEDULER
+ * @{
+ */
+
+/*------------------------------------------------------------------------------------------------*/
+/* Includes                                                                                       */
+/*------------------------------------------------------------------------------------------------*/
+#include "mns_scheduler.h"
+#include "mns_misc.h"
+
+/*------------------------------------------------------------------------------------------------*/
+/* Constants                                                                                      */
+/*------------------------------------------------------------------------------------------------*/
+const Srv_Event_t SRV_EMPTY_EVENT_MASK = (Srv_Event_t)0x00000000;   /*!< \brief Empty event mask */
+
+/*------------------------------------------------------------------------------------------------*/
+/* Internal prototypes                                                                            */
+/*------------------------------------------------------------------------------------------------*/
+static bool Scd_SearchSlot(void *current_prio_ptr, void *new_prio_ptr);
+
+/*------------------------------------------------------------------------------------------------*/
+/* Implementation of class CScheduler                                                             */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Constructor of the scheduler class.
+ *  \param self        Instance pointer
+ *  \param init_ptr    Reference to the initialization data
+ */
+void Scd_Ctor(CScheduler *self, Scd_InitData_t *init_ptr)
+{
+    MISC_MEM_SET(self, 0, sizeof(*self));
+    self->mns_inst_id = init_ptr->mns_inst_id;
+    Dl_Ctor(&self->srv_list, self->mns_inst_id);
+    Ssub_Ctor(&self->service_request_subject, self->mns_inst_id);
+    (void)Ssub_AddObserver(&self->service_request_subject,
+                           init_ptr->service_request_obs_ptr);
+    self->scd_srv_is_running = false;
+}
+
+/*! \brief  Add the given service to the scheduler. All services are arranged in priority order.
+ *          A service with a higher priority will execute before a service with a lower priority.
+ *  \param  self       Instance pointer
+ *  \param  srv_ptr    Reference of the service which shall be added
+ *  \return SCD_OK: Service added
+ *  \return SCD_SRV_ALREADY_LISTED: Services already listed
+ */
+Scd_Ret_t Scd_AddService(CScheduler *self, CService *srv_ptr)
+{
+    Scd_Ret_t ret_val;
+
+    /* Check that service is not already part of scheduler */
+    if(false == Dl_IsNodeInList(&self->srv_list, &srv_ptr->list_node))
+    {
+        /* Search slot where the service must be inserted depending on the priority value.  */
+        CDlNode *result_ptr = Dl_Foreach(&self->srv_list, &Scd_SearchSlot, &srv_ptr->priority);
+ 
+        if(NULL != result_ptr)  /* Slot found? */
+        {
+            Dl_InsertBefore(&self->srv_list, result_ptr, &srv_ptr->list_node);
+        }
+        else                    /* No slot found -> Insert as last node */
+        {
+            Dl_InsertTail(&self->srv_list, &srv_ptr->list_node);
+        }
+        /* Create back link service -> scheduler */
+        srv_ptr->scd_ptr = self;
+        Dln_SetData(&srv_ptr->list_node, &srv_ptr->priority);
+        ret_val = SCD_OK;
+    }
+    else    /* Service is already part of schedulers list */
+    {
+        ret_val = SCD_SRV_ALREADY_LISTED;
+    }
+
+    return ret_val;
+}
+
+/*! \brief  Remove the given service from the schedulers list.
+ *  \param  self       Instance pointer
+ *  \param  srv_ptr    Reference of the service which shall be removed
+ *  \return SCD_OK: Service removed
+ *  \return SCD_UNKNOWN_SRV: Unknown service can not be removed
+ */
+Scd_Ret_t Scd_RemoveService(CScheduler *self, CService *srv_ptr)
+{
+    Scd_Ret_t ret_val = SCD_OK;
+
+    /* Error occurred? */
+    if(DL_UNKNOWN_NODE == Dl_Remove(&self->srv_list, &srv_ptr->list_node))
+    {
+        ret_val = SCD_UNKNOWN_SRV;
+    }
+
+    return ret_val;
+}
+
+/*! \brief Service function of the scheduler module.
+ *  \param self   Instance pointer
+ */
+void Scd_Service(CScheduler *self)
+{
+    CService *current_srv_ptr = (CService *)(void*)self->srv_list.head;
+
+    /* Scheduler service is running. Important for event handling */
+    self->scd_srv_is_running = true;
+
+    while(NULL != current_srv_ptr)  /* Process registered services */
+    {
+        if(NULL != current_srv_ptr->service_fptr)
+        {
+            /* Are events pending for the current service */
+            if(SRV_EMPTY_EVENT_MASK != current_srv_ptr->event_mask)
+            {
+                /* Execute service callback function */
+                current_srv_ptr->service_fptr(current_srv_ptr->instance_ptr);
+                /* Was the current service removed from the schedulers list? */
+                if((current_srv_ptr->list_node.prev == NULL) && (current_srv_ptr->list_node.next == NULL))
+                {
+                    break;  /* Abort scheduler service */
+                }
+            }
+        }
+        current_srv_ptr = (CService *)(void*)current_srv_ptr->list_node.next;
+    }
+    /* Scheduler services finished */
+    self->scd_srv_is_running = false;
+}
+
+/*! \brief  Searches for pending events.
+ *  \param  self   Instance pointer
+ *  \return true: At least one event is active
+ *  \return false: No event is pending
+ */
+bool Scd_AreEventsPending(CScheduler *self)
+{
+    bool ret_val = false;
+    CService *current_srv_ptr = (CService *)(void*)self->srv_list.head;
+
+    while(NULL != current_srv_ptr)
+    {
+        if(SRV_EMPTY_EVENT_MASK != current_srv_ptr->event_mask)
+        {
+            ret_val = true;
+            break;
+        }
+        current_srv_ptr = (CService *)(void*)current_srv_ptr->list_node.next;
+    }
+
+    return ret_val;
+}
+
+/*! \brief  Searches the slot where the new service has to be inserted. The position depends on 
+ *          the given priority. If a the priority of the new service is higher than the priority
+ *          of the current service \c true is returned which stops the search.
+ *  \param  current_prio_ptr   Current service which is analyzed 
+ *  \param  new_prio_ptr       Priority of the new service
+ *  \return false: The priority of the current service is greater than the new priority
+ *  \return true: The priority of the current service is less than or equal to the new priority
+ */
+static bool Scd_SearchSlot(void *current_prio_ptr, void *new_prio_ptr)
+{
+    uint8_t current_prio_ptr_ = *((uint8_t *)current_prio_ptr);
+    uint8_t new_prio_ = *((uint8_t*)new_prio_ptr);
+    bool ret_val = false;
+
+    if(current_prio_ptr_ <= new_prio_)
+    {
+        ret_val = true;
+    }
+
+    return ret_val;
+}
+
+/*------------------------------------------------------------------------------------------------*/
+/* Implementation of class CService                                                               */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Parameter constructor of the service class.
+ *  \param self            Instance pointer
+ *  \param instance_ptr    Reference to object which contains the corresponding service
+ *  \param priority        Priority of the service
+ *  \param service_fptr    Service callback
+ */
+void Srv_Ctor(CService *self, uint8_t priority, void *instance_ptr, Srv_Cb_t service_fptr)
+{
+    MISC_MEM_SET(self, 0, sizeof(*self));
+    Dln_Ctor(&self->list_node, NULL);
+    self->priority = priority;
+    self->instance_ptr = instance_ptr;
+    self->service_fptr = service_fptr;
+}
+
+/*! \brief Sets events for the given service according to the given event mask.
+ *  \param self        Instance pointer
+ *  \param event_mask  Mask of the events to be set
+ */
+void Srv_SetEvent(CService *self, Srv_Event_t event_mask)
+{
+    self->event_mask |= event_mask;
+    if(false == self->scd_ptr->scd_srv_is_running)
+    {
+        Ssub_Notify(&self->scd_ptr->service_request_subject, NULL, false);
+    }
+}
+
+/*! \brief The function returns the current state of all event bits of the service.
+ *  \param self            Instance pointer
+ *  \param event_mask_ptr  Reference to the memory of the returned event mask
+ */
+void Srv_GetEvent(CService *self, Srv_Event_t *event_mask_ptr)
+{
+    *event_mask_ptr = self->event_mask;
+}
+
+/*! \brief Clears events for the given service according to the given event mask.
+ *  \param self       Instance pointer
+ *  \param event_mask Mask of the events to be clear
+ */
+void Srv_ClearEvent(CService *self, Srv_Event_t event_mask)
+{
+    self->event_mask &= ~event_mask;
+}
+
+/*!
+ * @}
+ * \endcond
+ */
+
+/*------------------------------------------------------------------------------------------------*/
+/* End of file                                                                                    */
+/*------------------------------------------------------------------------------------------------*/
+