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+/*
+ * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Author "Romain Forlot" <romain.forlot@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 <string>
+#include "../utils/socketcan-bcm.hpp"
+
+struct event_filter_t
+{
+ float frequency;
+ float min;
+ float max;
+};
+
+class low_can_subscription_t
+{
+private:
+ int index_;
+
+ /// Signal part
+ std::string sig_name_;
+ std::string bus_name_;
+ uint32_t can_id_;
+ uint8_t bit_position_; /*!< bitPosition_ - The starting bit of the signal in its CAN message (assuming
+ * non-inverted bit numbering, i.e. the most significant bit of
+ * each byte is 0) */
+ uint8_t bit_size_; /*!< bit_size_ - The width of the bit field in the CAN message. */
+ float factor_; /*!< factor_ - The final value will be multiplied by this factor. Use 1 if you
+ * don't need a factor. */
+ float offset_; /*!< offset_ - The final value will be added to this offset. Use 0 if you
+ * don't need an offset. */
+
+ /// Filtering part
+ struct event_filter_t event_filter_ = {-1.0, -1.0, -1.0};
+
+ utils::socketcan_bcm_t socket_;
+public:
+ low_can_subscription_t();
+ low_can_subscription_t(struct event_filter_t event_filter);
+ low_can_subscription_t(const low_can_subscription_t& s) = delete;
+ low_can_subscription_t(low_can_subscription_t&& s);
+
+ low_can_subscription_t& operator=(const low_can_subscription_t& s);
+ explicit operator bool() const;
+
+ int get_index() const;
+ const std::string get_sig_name() const;
+ float get_frequency() const;
+ float get_min() const;
+ float get_max() const;
+ utils::socketcan_bcm_t& get_socket();
+
+ void set_frequency(float freq);
+ void set_min(float min);
+ void set_max(float max);
+
+ int create_rx_filter();
+ int create_rx_filter(const std::string& bus_name, const std::string& sig_name, uint32_t can_id, uint8_t bit_position, uint8_t bit_size, float factor, float offset);
+};