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-rw-r--r--CAN-binder/low-can-binding/binding/low-can-hat.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/CAN-binder/low-can-binding/binding/low-can-hat.cpp b/CAN-binder/low-can-binding/binding/low-can-hat.cpp
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+/*
+ * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Author "Romain Forlot" <romain.forlot@iot.bzh>
+ * Author "Loic Collignon" <loic.collignon@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "low-can-hat.hpp"
+
+#include <map>
+#include <queue>
+#include <mutex>
+#include <vector>
+#include <json-c/json.h>
+
+#include "configuration.hpp"
+#include "../can/can-bus.hpp"
+
+extern "C"
+{
+ #include <afb/afb-service-itf.h>
+};
+
+// Interface between the daemon and the binding
+const struct afb_binding_interface *binder_interface;
+
+extern "C"
+{
+ static const struct afb_verb_desc_v1 verbs[]=
+ {
+ { .name= "subscribe", .session= AFB_SESSION_NONE, .callback= subscribe, .info= "subscribe to notification of CAN bus messages." },
+ { .name= "unsubscribe", .session= AFB_SESSION_NONE, .callback= unsubscribe, .info= "unsubscribe a previous subscription." }
+ };
+
+ static const struct afb_binding binding_desc {
+ AFB_BINDING_VERSION_1,
+ {
+ "Low level CAN bus service",
+ "low-can",
+ verbs
+ }
+ };
+
+ const struct afb_binding *afbBindingV1Register (const struct afb_binding_interface *itf)
+ {
+ binder_interface = itf;
+
+ return &binding_desc;
+ }
+
+ /// @brief Initialize the binding.
+ ///
+ /// @param[in] service Structure which represent the Application Framework Binder.
+ ///
+ /// @return Exit code, zero if success.
+ int afbBindingV1ServiceInit(struct afb_service service)
+ {
+ can_bus_t& can_bus_manager = configuration_t::instance().get_can_bus_manager();
+
+ /// Initialize CAN socket
+ if(can_bus_manager.init_can_dev() == 0)
+ {
+ can_bus_manager.start_threads();
+
+ /// Initialize Diagnostic manager that will handle obd2 requests.
+ /// We pass by default the first CAN bus device to its Initialization.
+ /// TODO: be able to choose the CAN bus device that will be use as Diagnostic bus.
+ if(configuration_t::instance().get_diagnostic_manager().initialize())
+ return 0;
+ }
+
+ ERROR(binder_interface, "%s: There was something wrong with CAN device Initialization. Check your config file maybe", __FUNCTION__);
+ return 1;
+ }
+};