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+/*------------------------------------------------------------------------------------------------*/
+/* UNICENS V2.1.0-3491 */
+/* Copyright (c) 2017 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 2 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 Network Management.
+ *
+ * \cond UCS_INTERNAL_DOC
+ * \addtogroup G_NET
+ * @{
+ */
+
+/*------------------------------------------------------------------------------------------------*/
+/* Includes */
+/*------------------------------------------------------------------------------------------------*/
+#include "ucs_net.h"
+#include "ucs_misc.h"
+#include "ucs_trace.h"
+
+/*------------------------------------------------------------------------------------------------*/
+/* Service parameters */
+/*------------------------------------------------------------------------------------------------*/
+/*! Priority of the NET service used by scheduler */
+static const uint8_t NET_SRV_PRIO = 251U; /* parasoft-suppress MISRA2004-8_7 "Value shall be part of the module, not part of a function." */
+/*! \brief Event to trigger notification of MOST Network Status */
+static const Srv_Event_t NET_EVENT_NOTIFY_NW_STATUS = 1U;
+/*! \brief Event to trigger notification of MOST Network Configuration */
+static const Srv_Event_t NET_EVENT_NOTIFY_NW_CONFIG = 2U;
+
+/*------------------------------------------------------------------------------------------------*/
+/* Internal constants */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Default value used for INIC sender handles */
+static const uint16_t NET_DEFAULT_SENDER_HANDLE = 0x0001U; /* parasoft-suppress MISRA2004-8_7 "Value shall be part of the module, not part of a function." */
+/*! \brief Initialization timeout in milliseconds (t = 7s) */
+static const uint16_t NET_PBW_TIMEOUT = 7000U; /* parasoft-suppress MISRA2004-8_7 "Value shall be part of the module, not part of a function." */
+
+/*------------------------------------------------------------------------------------------------*/
+/* Internal prototypes */
+/*------------------------------------------------------------------------------------------------*/
+static void Net_Service(void *self);
+static void Net_UpdateNetworkStatus(void *self, void *data_ptr);
+static void Net_UpdateNetworkConfiguration(void *self, void *data_ptr);
+
+/*------------------------------------------------------------------------------------------------*/
+/* Implementation of class CNetworkManagement */
+/*------------------------------------------------------------------------------------------------*/
+/*! \brief Constructor of the Network Management class.
+ * \param self Instance pointer
+ * \param init_ptr Reference to the initialization data
+ */
+void Net_Ctor(CNetworkManagement *self, Net_InitData_t *init_ptr)
+{
+ MISC_MEM_SET(self, 0, sizeof(*self));
+ self->base_ptr = init_ptr->base_ptr;
+ self->inic_ptr = init_ptr->inic_ptr;
+ Obs_Ctor(&self->network_status.observer, self, &Net_UpdateNetworkStatus);
+ Inic_AddObsrvNwStatus(self->inic_ptr, &self->network_status.observer);
+ self->network_status.param.change_mask = 0xFFFFU; /* Used for initial notification! */
+ Sub_Ctor(&self->network_status.pre_subject, self->base_ptr->ucs_user_ptr);
+ Sub_Ctor(&self->network_status.subject, self->base_ptr->ucs_user_ptr);
+
+ Obs_Ctor(&self->network_configuration.observer, self, &Net_UpdateNetworkConfiguration);
+ Inic_AddObsvrNwConfig(self->inic_ptr, &self->network_configuration.observer);
+ self->network_configuration.param.change_mask = 0xFFFFU; /* Used for initial notification! */
+ Sub_Ctor(&self->network_configuration.pre_subject, self->base_ptr->ucs_user_ptr);
+ Sub_Ctor(&self->network_configuration.subject, self->base_ptr->ucs_user_ptr);
+
+ Srv_Ctor(&self->net_srv, NET_SRV_PRIO, self, &Net_Service); /* Initialize Network Management service */
+ (void)Scd_AddService(&self->base_ptr->scd, &self->net_srv); /* Add NET service to scheduler */
+}
+
+/*! \brief Service function of the network management.
+ * \param self Instance pointer
+ */
+static void Net_Service(void *self)
+{
+ CNetworkManagement *self_ = (CNetworkManagement *)self;
+ Srv_Event_t event_mask;
+ Srv_GetEvent(&self_->net_srv, &event_mask);
+ /* Notification of MOST Network Status triggered? */
+ if((event_mask & NET_EVENT_NOTIFY_NW_STATUS) == NET_EVENT_NOTIFY_NW_STATUS)
+ {
+ Srv_ClearEvent(&self_->net_srv, NET_EVENT_NOTIFY_NW_STATUS);
+ self_->network_status.param.change_mask = 0xFFFFU;
+ Sub_Notify(&self_->network_status.pre_subject, &self_->network_status.param);
+ self_->network_status.param.change_mask = 0U;
+ (void)Sub_SwitchObservers(&self_->network_status.subject,
+ &self_->network_status.pre_subject);
+ }
+ /* Notification of MOST Network Configuration triggered? */
+ if((event_mask & NET_EVENT_NOTIFY_NW_CONFIG) == NET_EVENT_NOTIFY_NW_CONFIG)
+ {
+ Srv_ClearEvent(&self_->net_srv, NET_EVENT_NOTIFY_NW_CONFIG);
+ self_->network_configuration.param.change_mask = 0xFFFFU;
+ Sub_Notify(&self_->network_configuration.pre_subject, &self_->network_configuration.param);
+ self_->network_configuration.param.change_mask = 0U;
+ (void)Sub_SwitchObservers(&self_->network_configuration.subject,
+ &self_->network_configuration.pre_subject);
+ }
+}
+
+/*! \brief Adds an observer which is called if the network status has been changed.
+ * \param self Instance pointer
+ * \param obs_ptr Reference to an observer
+ */
+void Net_AddObserverNetworkStatus(CNetworkManagement *self, CMaskedObserver *obs_ptr)
+{
+ (void)Msub_AddObserver(&self->network_status.pre_subject, obs_ptr);
+ Srv_SetEvent(&self->net_srv, NET_EVENT_NOTIFY_NW_STATUS);
+}
+
+/*! \brief Removes an observer registered by Net_AddObserverNetworkStatus().
+ * \param self Instance pointer
+ * \param obs_ptr Reference to observer to be removed
+
+ */
+void Net_DelObserverNetworkStatus(CNetworkManagement *self, CMaskedObserver *obs_ptr)
+{
+ (void)Msub_RemoveObserver(&self->network_status.pre_subject, obs_ptr);
+ (void)Msub_RemoveObserver(&self->network_status.subject, obs_ptr);
+}
+
+/*! \brief Adds an observer which is called if the network configuration has been changed.
+ * \param self Instance pointer
+ * \param obs_ptr Reference to an observer
+ */
+void Net_AddObserverNetworkConfig(CNetworkManagement *self, CMaskedObserver *obs_ptr)
+{
+ (void)Msub_AddObserver(&self->network_configuration.pre_subject, obs_ptr);
+ Srv_SetEvent(&self->net_srv, NET_EVENT_NOTIFY_NW_CONFIG);
+}
+
+/*! \brief Removes an observer registered by Net_AddObserverNetworkConfig().
+ * \param self Instance pointer
+ * \param obs_ptr Reference to observer to be removed
+ */
+void Net_DelObserverNetworkConfig(CNetworkManagement *self, CMaskedObserver *obs_ptr)
+{
+ (void)Msub_RemoveObserver(&self->network_configuration.pre_subject, obs_ptr);
+ (void)Msub_RemoveObserver(&self->network_configuration.subject, obs_ptr);
+}
+
+/*! \brief Observer callback used for the MOST Network Status
+ * \param self Instance pointer
+ * \param data_ptr Reference to the data structure
+ */
+static void Net_UpdateNetworkStatus(void *self, void *data_ptr)
+{
+ Inic_StdResult_t *data_ptr_ = (Inic_StdResult_t *)data_ptr;
+
+ if(data_ptr_->result.code == UCS_RES_SUCCESS)
+ {
+ CNetworkManagement *self_ = (CNetworkManagement *)self;
+ Inic_NetworkStatus_t result = *((Inic_NetworkStatus_t *)data_ptr_->data_info);
+
+ /* Check for changes */
+ if(result.events != 0U) /* Notify only if at least one event flag is set */
+ {
+ self_->network_status.param.change_mask |= 0x0001U;
+ }
+ if(self_->network_status.param.availability != result.availability)
+ {
+ self_->network_status.param.change_mask |= 0x0002U;
+ }
+ if(self_->network_status.param.avail_info != result.avail_info)
+ {
+ self_->network_status.param.change_mask |= 0x0004U;
+ }
+ if(self_->network_status.param.avail_trans_cause != result.avail_trans_cause)
+ {
+ self_->network_status.param.change_mask |= 0x0008U;
+ }
+ if(self_->network_status.param.node_address != result.node_address)
+ {
+ self_->network_status.param.change_mask |= 0x0010U;
+ }
+ if(self_->network_status.param.node_position != result.node_position)
+ {
+ self_->network_status.param.change_mask |= 0x0020U;
+ }
+ if(self_->network_status.param.max_position != result.max_position)
+ {
+ self_->network_status.param.change_mask |= 0x0040U;
+ }
+ if(self_->network_status.param.packet_bw != result.packet_bw)
+ {
+ self_->network_status.param.change_mask |= 0x0080U;
+ }
+
+ /* Update MOST Network Status parameters */
+ self_->network_status.param.events = result.events;
+ self_->network_status.param.availability = result.availability;
+ self_->network_status.param.avail_info = result.avail_info;
+ self_->network_status.param.avail_trans_cause = result.avail_trans_cause;
+ self_->network_status.param.node_address = result.node_address;
+ self_->network_status.param.node_position = result.node_position;
+ self_->network_status.param.max_position = result.max_position;
+ self_->network_status.param.packet_bw = result.packet_bw;
+
+ /* Notify observer? */
+ Msub_Notify(&self_->network_status.subject,
+ &self_->network_status.param,
+ (uint32_t)self_->network_status.param.change_mask);
+
+ /* Clear change-mask */
+ self_->network_status.param.change_mask = 0U;
+ }
+}
+
+/*! \brief Observer callback used for the MOST Network Configuration
+ * \param self Instance pointer
+ * \param data_ptr Reference to the data structure
+ */
+static void Net_UpdateNetworkConfiguration(void *self, void *data_ptr)
+{
+ Inic_StdResult_t *data_ptr_ = (Inic_StdResult_t *)data_ptr;
+
+ if(data_ptr_->result.code == UCS_RES_SUCCESS)
+ {
+ CNetworkManagement *self_ = (CNetworkManagement *)self;
+ Inic_NetworkConfig_t result = *((Inic_NetworkConfig_t *)data_ptr_->data_info);
+
+ /* Check for changes */
+ if(self_->network_configuration.param.node_address != result.node_address)
+ {
+ self_->network_configuration.param.change_mask |= 0x0001U;
+ }
+ if(self_->network_configuration.param.group_address != result.group_address)
+ {
+ self_->network_configuration.param.change_mask |= 0x0002U;
+ }
+ if(self_->network_configuration.param.llrbc != result.llrbc)
+ {
+ self_->network_configuration.param.change_mask |= 0x0004U;
+ }
+
+ /* Update MOST Network Configuration parameters */
+ self_->network_configuration.param.node_address = result.node_address;
+ self_->network_configuration.param.group_address = result.group_address;
+ self_->network_configuration.param.llrbc = result.llrbc;
+
+ /* Notify observer? */
+ Msub_Notify(&self_->network_configuration.subject,
+ &self_->network_configuration.param,
+ (uint32_t)self_->network_configuration.param.change_mask);
+
+ /* Clear change-mask */
+ self_->network_configuration.param.change_mask = 0U;
+ }
+}
+
+/*! \brief Checks if the given address matches with the own node address, node position or group address.
+ * \param self Instance pointer
+ * \param address Address to be checked
+ * \return Possible return values are shown in the table below.
+ * Value | Description
+ * --------------------- | -------------------------------------------------------------
+ * NET_IS_OWN_ADDR_NODE | Is own node position address or own logical node address
+ * NET_IS_OWN_ADDR_GROUP | Is own group address
+ * NET_IS_OWN_ADDR_NONE | Is foreign address
+ */
+Net_IsOwnAddrResult_t Net_IsOwnAddress(CNetworkManagement *self, uint16_t address)
+{
+ Net_IsOwnAddrResult_t ret_val;
+
+ if((self->network_status.param.node_address == address) ||
+ (((uint16_t)self->network_status.param.node_position + (uint16_t)0x400) == address))
+ {
+ ret_val = NET_IS_OWN_ADDR_NODE;
+ }
+ else if(self->network_configuration.param.group_address == address)
+ {
+ ret_val = NET_IS_OWN_ADDR_GROUP;
+ }
+ else
+ {
+ ret_val = NET_IS_OWN_ADDR_NONE;
+ }
+
+ return ret_val;
+}
+
+/*!
+ * @}
+ * \endcond
+ */
+
+/*------------------------------------------------------------------------------------------------*/
+/* End of file */
+/*------------------------------------------------------------------------------------------------*/
+