138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
/*
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; Project: Open Vehicle Monitor System
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; Date: 14th March 2017
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;
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; Changes:
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; 1.0 Initial release
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;
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; (C) 2011 Michael Stegen / Stegen Electronics
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; (C) 2011-2017 Mark Webb-Johnson
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; (C) 2011 Sonny Chen @ EPRO/DX
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;
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; Permission is hereby granted, free of charge, to any person obtaining a copy
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; of this software and associated documentation files (the "Software"), to deal
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; in the Software without restriction, including without limitation the rights
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; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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; copies of the Software, and to permit persons to whom the Software is
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; furnished to do so, subject to the following conditions:
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;
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; The above copyright notice and this permission notice shall be included in
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; all copies or substantial portions of the Software.
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;
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; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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; THE SOFTWARE.
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*/
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#ifndef __EVENT_H__
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#define __EVENT_H__
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#include <string>
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#include <functional>
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#include <map>
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#include <list>
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#include <esp_event.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "freertos/timers.h"
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#include "ovms_command.h"
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#include "ovms_mutex.h"
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typedef std::function<void(std::string,void*)> EventCallback;
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class EventCallbackEntry
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{
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public:
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EventCallbackEntry(std::string caller, EventCallback callback);
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virtual ~EventCallbackEntry();
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public:
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std::string m_caller;
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EventCallback m_callback;
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};
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typedef std::list<EventCallbackEntry*> EventCallbackList;
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class EventMap : public std::map<std::string, EventCallbackList*>
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{
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public:
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bool GetCompletion(OvmsWriter* writer, const char* token) const;
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};
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typedef void (*event_signal_done_fn)(const char* event, void* data);
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extern void EventStdFree(const char* event, void* data);
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typedef enum
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{
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EVENT_none = 0, // Do nothing
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EVENT_signal // Raise a signal
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} event_msg_t;
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typedef struct
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{
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union
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{
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struct
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{
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char* event;
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void* data;
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event_signal_done_fn donefn;
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} signal;
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} body;
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event_msg_t type;
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} event_queue_t;
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typedef std::list<TimerHandle_t> TimerList;
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typedef std::map<TimerHandle_t, bool> TimerStatusMap;
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class OvmsEvents
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{
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public:
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OvmsEvents();
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~OvmsEvents();
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public:
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void RegisterEvent(std::string caller, std::string event, EventCallback callback);
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void DeregisterEvent(std::string caller);
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void SignalEvent(std::string event, void* data, event_signal_done_fn callback = NULL, uint32_t delay_ms = 0);
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void SignalEvent(std::string event, void* data, size_t length, uint32_t delay_ms = 0);
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public:
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void EventTask();
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void HandleQueueSignalEvent(event_queue_t* msg);
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void FreeQueueSignalEvent(event_queue_t* msg);
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static esp_err_t ReceiveSystemEvent(void *ctx, system_event_t *event);
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void SignalSystemEvent(system_event_t *event);
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const EventMap& Map() { return m_map; }
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protected:
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bool ScheduleEvent(event_queue_t* msg, uint32_t delay_ms);
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static void SignalScheduledEvent(TimerHandle_t timer);
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protected:
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EventMap m_map;
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TimerList m_timers;
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TimerStatusMap m_timer_active;
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OvmsMutex m_timers_mutex;
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public:
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bool m_trace;
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TaskHandle_t m_taskid;
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QueueHandle_t m_taskqueue;
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public:
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EventCallbackEntry* m_current_callback;
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std::string m_current_event;
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uint32_t m_current_started;
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};
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extern OvmsEvents MyEvents;
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#endif //#ifndef __EVENT_H__
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