kopia lustrzana https://github.com/weetmuts/wmbusmeters
135 wiersze
5.2 KiB
C++
135 wiersze
5.2 KiB
C++
/*
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Copyright (C) 2020-2021 Fredrik Öhrström (gpl-3.0-or-later)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef WMBUS_COMMON_H
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#define WMBUS_COMMON_H
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#include "util.h"
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#include "threads.h"
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#include "wmbus.h"
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struct BusDeviceCommonImplementation : public virtual BusDevice
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{
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BusDeviceCommonImplementation(string bus_alias,
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BusDeviceType t,
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shared_ptr<SerialCommunicationManager> manager,
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shared_ptr<SerialDevice> serial_override,
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bool is_serial);
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~BusDeviceCommonImplementation();
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string busAlias();
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string hr();
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bool isSerial();
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BusDeviceType type();
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void onTelegram(function<bool(AboutTelegram&,vector<uchar>)> cb);
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bool sendTelegram(LinkMode link_mode, TelegramFormat format, vector<uchar> &content);
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bool handleTelegram(AboutTelegram &about, vector<uchar> frame);
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void checkStatus();
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bool isWorking();
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string dongleId();
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DeviceMode deviceMode();
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void setTimeout(int seconds, std::string expected_activity);
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void setResetInterval(int seconds);
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void setLinkModes(LinkModeSet lms);
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void setDeviceMode(DeviceMode mode);
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virtual void processSerialData() = 0;
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void disconnectedFromDevice();
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bool reset();
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SerialDevice *serial() { if (serial_) return serial_.get(); else return NULL; }
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bool serialOverride() { return serial_override_; }
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void markSerialAsOverriden() { serial_override_ = true; }
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string device() { if (serial_) return serial_->device(); else return "?"; }
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// Wait for a response to arrive from the device.
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bool waitForResponse(int id);
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// Notify the waiter that the response has arrived.
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bool notifyResponseIsHere(int id);
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void close();
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void setDetected(Detected detected) { detected_ = detected; }
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Detected *getDetected() { return &detected_; }
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void markAsNoLongerSerial();
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protected:
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shared_ptr<SerialCommunicationManager> manager_;
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void protocolErrorDetected();
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void resetProtocolErrorCount();
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bool areLinkModesConfigured();
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// Device specific set link modes implementation.
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void retrySetLinkModes(LinkModeSet lms);
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virtual void deviceSetDeviceMode(DeviceMode mode);
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virtual bool deviceSetLinkModes(LinkModeSet lms) = 0;
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// Device specific reset code, apart from serial->open and setLinkModes.
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virtual void deviceReset() = 0;
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virtual void deviceClose();
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LinkModeSet protectedGetLinkModes(); // Used to read private link_modes_ in subclass.
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private:
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// Bus alias.
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string bus_alias_;
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// Uses a serial tty?
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bool is_serial_ {};
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bool is_working_ {};
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vector<function<bool(AboutTelegram&,vector<uchar>)>> telegram_listeners_;
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BusDeviceType type_ {};
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int protocol_error_count_ {};
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time_t timeout_ {}; // If longer silence than timeout, then reset dongle! It might have hanged!
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string expected_activity_ {}; // During which times should we care about timeouts?
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time_t last_received_ {}; // When as the last telegram reception?
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time_t last_reset_ {}; // When did we last attempt a reset of the dongle?
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int reset_timeout_ {}; // When set to 23*3600 reset the device once every 23 hours.
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bool link_modes_configured_ {};
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DeviceMode device_mode_ { DeviceMode::OTHER }; // Other or meter.
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LinkModeSet link_modes_ {};
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Detected detected_ {}; // Used to remember how this device was setup.
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shared_ptr<SerialDevice> serial_;
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protected:
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// When a wmbus dongle transmits a telegram, then it will use this id.
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// It can often be changed by configuring the wmbud dongle.
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string cached_device_id_;
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// Generated human readable name: eg
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// * /dev/ttyUSB0:im871a[12345678]
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// * rtlmbus[longantenna]
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string cached_hr_;
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// Some dongles have a unique id (that cannot be changed) in addition to the transmit id.
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string cached_device_unique_id_;
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// Lock this mutex when you sent a request to the wmbus device
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// Unlock when you received the response or it timedout.
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RecursiveMutex command_mutex_;
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#define LOCK_WMBUS_EXECUTING_COMMAND(where) WITH(command_mutex_, command_mutex, where)
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// Use waitForRespones/notifyReponseIsHere to wait for a response
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// while the command_mutex_ is taken.
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int waiting_for_response_id_ {};
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Semaphore waiting_for_response_sem_;
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bool serial_override_ {};
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// Lock this mutex when you want to append to, truncate or clear the receiving buffer.
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RecursiveMutex receiving_buffer_mutex_;
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#define LOCK_WMBUS_RECEIVING_BUFFER(where) WITH(receiving_buffer_mutex_, receiving_buffer_mutex, where)
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};
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#endif
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