mirror of
https://github.com/mysensors/MySensors.git
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516 lines
23 KiB
C
516 lines
23 KiB
C
/*
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* The MySensors Arduino library handles the wireless radio link and protocol
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* between your home built sensors/actuators and HA controller of choice.
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* The sensors forms a self healing radio network with optional repeaters. Each
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* repeater and gateway builds a routing tables in EEPROM which keeps track of the
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* network topology allowing messages to be routed to nodes.
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*
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* Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
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* Copyright (C) 2013-2026 Sensnology AB
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* Full contributor list: https://github.com/mysensors/MySensors/graphs/contributors
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*
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* Documentation: http://www.mysensors.org
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* Support Forum: http://forum.mysensors.org
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*/
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/**
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* @file MySensorsCore.h
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*
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* @defgroup MySensorsCoregrp MySensorsCore
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* @ingroup internals
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* @{
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*
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* MySensorsCore-related log messages, format: [!]SYSTEM:[SUB SYSTEM:]MESSAGE
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* - [!] Exclamation mark is prepended in case of error or warning
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* - SYSTEM:
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* - <b>MCO</b> messages emitted by MySensorsCore
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* - SUB SYSTEMS:
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* - MCO:<b>BGN</b> from @ref _begin()
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* - MCO:<b>REG</b> from @ref _registerNode()
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* - MCO:<b>SND</b> from @ref send()
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* - MCO:<b>PIM</b> from @ref _processInternalCoreMessage()
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* - MCO:<b>NLK</b> from @ref _nodeLock()
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*
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* MySensorsCore debug log messages:
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*
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* |E| SYS | SUB | Message | Comment
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* |-|-----|-----|---------------------------------------------|-----------------------------------------------------------------------------------------------------------------
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* |!| MCO | BGN | HW ERR | Error HW initialization (e.g. ext. EEPROM)
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* | | MCO | BGN | INIT %%s,CP=%%s,FQ=%%d,REL=%%d,VER=%%s | Core initialization, capabilities (CP), CPU frequency [Mhz] (FQ), release number (REL), library version (VER)
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* | | MCO | BGN | BFR | Callback before()
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* | | MCO | BGN | STP | Callback setup()
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* | | MCO | BGN | INIT OK,TSP=%%d | Core initialised, transport status (TSP): 0=not initialised, 1=initialised, NA=not available
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* | | MCO | BGN | NODE UNLOCKED | Node successfully unlocked (see signing chapter)
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* |!| MCO | BGN | TSP FAIL | Transport initialization failed
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* | | MCO | REG | REQ | Registration request
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* | | MCO | REG | NOT NEEDED | No registration needed (i.e. GW)
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* |!| MCO | SND | NODE NOT REG | Node is not registered, cannot send message
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* | | MCO | PIM | NODE REG=%%d | Registration response received, registration status (REG)
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* |!| MCO | WAI | RC=%%d | Recursive call detected in wait(), level (RC)
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* | | MCO | SLP | MS=%%lu,SMS=%%d,I1=%%d,M1=%%d,I2=%%d,M2=%%d | Sleep node, time (MS), smartSleep (SMS), Int1 (I1), Mode1 (M1), Int2 (I2), Mode2 (M2)
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* | | MCO | SLP | WUP=%%d | Node woke-up, reason/IRQ (WUP)
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* |!| MCO | SLP | NTL | Sleeping not possible, no time left
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* |!| MCO | SLP | FWUPD | Sleeping not possible, FW update ongoing
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* |!| MCO | SLP | REP | Sleeping not possible, repeater feature enabled
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* |!| MCO | SLP | TNR | Transport not ready, attempt to reconnect until timeout (@ref MY_SLEEP_TRANSPORT_RECONNECT_TIMEOUT_MS)
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* | | MCO | NLK | NODE LOCKED. UNLOCK: GND PIN %%d AND RESET | Node locked during booting, see signing chapter for additional information
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* | | MCO | NLK | TSL | Set transport to sleep
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*
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* @brief API declaration for MySensorsCore
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*/
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#ifndef MySensorsCore_h
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#define MySensorsCore_h
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#include "MyVersion.h"
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#include "MyConfig.h"
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#include "MyEepromAddresses.h"
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#include "MyMessage.h"
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#include <stddef.h>
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#include <stdarg.h>
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#define GATEWAY_ADDRESS ((uint8_t)0) //!< Node ID for GW sketch
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#define NODE_SENSOR_ID ((uint8_t)255) //!< Node child is always created/presented when a node is started
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#define MY_CORE_VERSION ((uint8_t)2) //!< core version
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#define MY_CORE_MIN_VERSION ((uint8_t)2) //!< min core version required for compatibility
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#define MY_WAKE_UP_BY_TIMER ((int8_t)-1) //!< Sleeping wake up by timer
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#define MY_SLEEP_NOT_POSSIBLE ((int8_t)-2) //!< Sleeping not possible
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#define INTERRUPT_NOT_DEFINED ((uint8_t)255) //!< _sleep() param: no interrupt defined
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#define MODE_NOT_DEFINED ((uint8_t)255) //!< _sleep() param: no mode defined
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#define VALUE_NOT_DEFINED ((uint8_t)255) //!< Value not defined
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#define FUNCTION_NOT_SUPPORTED ((uint16_t)0) //!< Function not supported
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/**
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* @brief Controller configuration
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*
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* This structure stores controller-related configurations
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*/
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typedef struct {
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uint8_t isMetric; //!< Flag indicating if metric or imperial measurements are used
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} controllerConfig_t;
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/**
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* @brief Node core configuration
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*/
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typedef struct {
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controllerConfig_t controllerConfig; //!< Controller config
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// 8 bit
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bool nodeRegistered : 1; //!< Flag node registered
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bool presentationSent : 1; //!< Flag presentation sent
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uint8_t reserved : 6; //!< reserved
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} coreConfig_t;
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// **** public functions ********
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/**
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* Return this nodes id.
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*/
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uint8_t getNodeId(void);
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/**
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* Return the parent node id.
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*/
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uint8_t getParentNodeId(void);
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/**
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* Sends node information to the gateway.
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*/
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void presentNode(void);
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/**
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* Each node must present all attached sensors before any values can be handled correctly by the controller.
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* It is usually good to present all attached sensors after power-up in setup().
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*
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* @param sensorId Select a unique sensor id for this sensor. Choose a number between 0-254.
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* @param sensorType The sensor type. See sensor typedef in MyMessage.h.
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* @param description A textual description of the sensor.
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* @param requestEcho Set this to true if you want destination node to echo the message back to this node.
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* Default is not to request echo. If set to true, the final destination will echo back the
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* contents of the message, triggering the receive() function on the original node with a copy of
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* the message, with message.isEcho() set to true and sender/destination switched.
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* @return true Returns true if message reached the first stop on its way to destination.
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*/
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bool present(const uint8_t sensorId, const mysensors_sensor_t sensorType,
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const char *description = "",
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const bool requestEcho = false);
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#if !defined(__linux__)
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bool present(const uint8_t childSensorId, const mysensors_sensor_t sensorType,
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const __FlashStringHelper *description,
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const bool requestEcho = false);
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#endif
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/**
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* Sends sketch meta information to the gateway. Not mandatory but a nice thing to do.
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* @param name String containing a short Sketch name or NULL if not applicable
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* @param version String containing a short Sketch version or NULL if not applicable
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* @param requestEcho Set this to true if you want destination node to echo the message back to this node.
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* Default is not to request echo. If set to true, the final destination will echo back the
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* contents of the message, triggering the receive() function on the original node with a copy of
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* the message, with message.isEcho() set to true and sender/destination switched.
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* @return true Returns true if message reached the first stop on its way to destination.
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*/
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bool sendSketchInfo(const char *name, const char *version, const bool requestEcho = false);
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#if !defined(__linux__)
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bool sendSketchInfo(const __FlashStringHelper *name, const __FlashStringHelper *version,
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const bool requestEcho = false);
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#endif
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/**
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* Sends a message to gateway or one of the other nodes in the radio network
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* @param msg Message to send
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* @param requestEcho Set this to true if you want destination node to echo the message back to this node.
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* Default is not to request echo. If set to true, the final destination will echo back the
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* contents of the message, triggering the receive() function on the original node with a copy of
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* the message, with message.isEcho() set to true and sender/destination switched.
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* @return true Returns true if message reached the first stop on its way to destination.
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*/
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bool send(MyMessage &msg, const bool requestEcho = false);
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/**
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* Send this nodes battery level to gateway.
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* @param level Level between 0-100(%)
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* @param requestEcho Set this to true if you want destination node to echo the message back to this node.
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* Default is not to request echo. If set to true, the final destination will echo back the
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* contents of the message, triggering the receive() function on the original node with a copy of
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* the message, with message.isEcho() set to true and sender/destination switched.
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* @return true Returns true if message reached the first stop on its way to destination.
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*/
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bool sendBatteryLevel(const uint8_t level, const bool requestEcho = false);
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/**
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* Send a heartbeat message (I'm alive!) to the gateway/controller.
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* The payload will be an incremental 16 bit integer value starting at 1 when sensor is powered on.
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* @param requestEcho Set this to true if you want destination node to echo the message back to this node.
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* Default is not to request echo. If set to true, the final destination will echo back the
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* contents of the message, triggering the receive() function on the original node with a copy of
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* the message, with message.isEcho() set to true and sender/destination switched.
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* @return true Returns true if message reached the first stop on its way to destination.
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*/
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bool sendHeartbeat(const bool requestEcho = false);
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/**
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* Send this nodes signal strength to gateway.
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* @param level Signal strength can be RSSI if the radio provide it, or another kind of calculation
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* @param requestEcho Set this to true if you want destination node to echo the message back to this node.
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* Default is not to request echo. If set to true, the final destination will echo back the
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* contents of the message, triggering the receive() function on the original node with a copy of
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* the message, with message.isEcho() set to true and sender/destination switched.
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* @return true Returns true if message reached the first stop on its way to destination.
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*/
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bool sendSignalStrength(const int16_t level, const bool requestEcho = false);
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/**
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* Send this nodes TX power level to gateway.
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* @param level For instance, can be TX power level in dbm
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* @param requestEcho Set this to true if you want destination node to echo the message back to this node.
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* Default is not to request echo. If set to true, the final destination will echo back the
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* contents of the message, triggering the receive() function on the original node with a copy of
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* the message, with message.isEcho() set to true and sender/destination switched.
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* @return true Returns true if message reached the first stop on its way to destination.
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*/
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bool sendTXPowerLevel(const uint8_t level, const bool requestEcho = false);
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/**
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* Requests a value from gateway or some other sensor in the radio network.
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* Make sure to add callback-method in begin-method to handle request responses.
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*
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* @param childSensorId The unique child id for the different sensors connected to this Arduino. 0-254.
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* @param variableType The variableType to fetch
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* @param destination The nodeId of other node in radio network. Default is gateway
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* @return true Returns true if message reached the first stop on its way to destination.
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*/
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bool request(const uint8_t childSensorId, const uint8_t variableType,
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const uint8_t destination = GATEWAY_ADDRESS);
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/**
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* Requests time from controller. Answer will be delivered to receiveTime function in sketch.
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* @param requestEcho Set this to true if you want destination node to echo the message back to this node.
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* Default is not to request echo. If set to true, the final destination will echo back the
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* contents of the message, triggering the receive() function on the original node with a copy of
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* the message, with message.isEcho() set to true and sender/destination switched.
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* @return true Returns true if message reached the first stop on its way to destination.
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*/
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bool requestTime(const bool requestEcho = false);
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/**
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* Returns the most recent node configuration received from controller
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*/
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controllerConfig_t getControllerConfig(void);
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/**
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* Save a state (in local EEPROM). Good for actuators to "remember" state between
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* power cycles.
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*
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* You have 256 bytes to play with. Note that there is a limitation on the number
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* of writes the EEPROM can handle (~100 000 cycles on ATMega328).
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*
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* @param pos The position to store value in (0-255)
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* @param value to store in position
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*/
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void saveState(const uint8_t pos, const uint8_t value);
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/**
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* Load a state (from local EEPROM).
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*
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* @param pos The position to fetch value from (0-255)
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* @return Value to store in position
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*/
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uint8_t loadState(const uint8_t pos);
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/**
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* Wait for a specified amount of time to pass. Keeps process()ing.
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* This does not power-down the radio nor the Arduino.
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* Because this calls process() in a loop, it is a good way to wait
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* in your loop() on a repeater node or sensor that listens to messages.
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* @param waitingMS Number of milliseconds to wait.
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*/
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void wait(const uint32_t waitingMS);
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/**
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* Wait for a specified amount of time to pass or until specified message received. Keeps process()ing.
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* This does not power-down the radio nor the Arduino.
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* Because this calls process() in a loop, it is a good way to wait
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* in your loop() on a repeater node or sensor that listens to messages.
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* @param waitingMS Number of milliseconds to wait.
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* @param cmd Command of incoming message.
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* @return True if specified message received
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*/
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bool wait(const uint32_t waitingMS, const mysensors_command_t cmd);
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/**
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* Wait for a specified amount of time to pass or until specified message received. Keeps process()ing.
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* This does not power-down the radio nor the Arduino.
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* Because this calls process() in a loop, it is a good way to wait
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* in your loop() on a repeater node or sensor that listens to messages.
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* @param waitingMS Number of milliseconds to wait.
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* @param cmd Command of incoming message.
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* @param msgtype Message type.
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* @return True if specified message received
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*/
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bool wait(const uint32_t waitingMS, const mysensors_command_t cmd, const uint8_t msgtype);
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/**
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* Function to allow scheduler to do some work.
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* @remark Internally it will call yield, kick the watchdog and update led states.
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*/
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void doYield(void);
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/**
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* Sleep handler will be called right before and right after entering sleep mode.
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* Applications can define own handler to optimize powering down peripherals before entering sleep.
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* @param sleep true if entering sleep, false if exiting
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*/
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void sleepHandler(bool sleep);
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/**
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* Sleep (PowerDownMode) the MCU and radio. Wake up on timer.
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* @param sleepingMS Number of milliseconds to sleep.
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* @param smartSleep Set True if sending heartbeat and process incoming messages before going to sleep.
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* @return @ref MY_WAKE_UP_BY_TIMER if timer woke it up, @ref MY_SLEEP_NOT_POSSIBLE if not possible (e.g. ongoing FW update)
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*/
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int8_t sleep(const uint32_t sleepingMS, const bool smartSleep = false);
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/**
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* Sleep (PowerDownMode) the MCU and radio. Wake up on timer or pin change.
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* See: http://arduino.cc/en/Reference/attachInterrupt for details on modes and which pin
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* is assigned to what interrupt. On Nano/Pro Mini: 0=Pin2, 1=Pin3
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* @param interrupt Interrupt that should trigger the wakeup
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* @param mode RISING, FALLING, CHANGE
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* @param sleepingMS Number of milliseconds to sleep or 0 to sleep forever
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* @param smartSleep Set True if sending heartbeat and process incoming messages before going to sleep
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* @return Interrupt number if wake up was triggered by pin change, @ref MY_WAKE_UP_BY_TIMER if wake up was triggered by timer, @ref MY_SLEEP_NOT_POSSIBLE if sleep was not possible (e.g. ongoing FW update)
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*/
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int8_t sleep(const uint8_t interrupt, const uint8_t mode, const uint32_t sleepingMS = 0,
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const bool smartSleep = false);
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/**
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* Sleep (PowerDownMode) the MCU and radio. Wake up on timer or pin change for two separate interrupts.
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* See: http://arduino.cc/en/Reference/attachInterrupt for details on modes and which pin
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* is assigned to what interrupt. On Nano/Pro Mini: 0=Pin2, 1=Pin3
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* @param interrupt1 First interrupt that should trigger the wakeup
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* @param mode1 Mode for first interrupt (RISING, FALLING, CHANGE)
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* @param interrupt2 Second interrupt that should trigger the wakeup
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* @param mode2 Mode for second interrupt (RISING, FALLING, CHANGE)
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* @param sleepingMS Number of milliseconds to sleep or 0 to sleep forever
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* @param smartSleep Set True if sending heartbeat and process incoming messages before going to sleep.
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* @return Interrupt number if wake up was triggered by pin change, @ref MY_WAKE_UP_BY_TIMER if wake up was triggered by timer, @ref MY_SLEEP_NOT_POSSIBLE if sleep was not possible (e.g. ongoing FW update)
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*/
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int8_t sleep(const uint8_t interrupt1, const uint8_t mode1, const uint8_t interrupt2,
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const uint8_t mode2, const uint32_t sleepingMS = 0, const bool smartSleep = false);
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/**
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* \deprecated Use sleep(ms, true) instead
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* Same as sleep(), send heartbeat and process incoming messages before going to sleep.
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* Specify the time to wait for incoming messages by defining @ref MY_SMART_SLEEP_WAIT_DURATION_MS to a time (ms).
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* @param sleepingMS Number of milliseconds to sleep.
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* @return @ref MY_WAKE_UP_BY_TIMER if timer woke it up, @ref MY_SLEEP_NOT_POSSIBLE if not possible (e.g. ongoing FW update)
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*/
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int8_t smartSleep(const uint32_t sleepingMS);
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/**
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* \deprecated Use sleep(interrupt, mode, ms, true) instead
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* Same as sleep(), send heartbeat and process incoming messages before going to sleep.
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* Specify the time to wait for incoming messages by defining @ref MY_SMART_SLEEP_WAIT_DURATION_MS to a time (ms).
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* @param interrupt Interrupt that should trigger the wakeup
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* @param mode RISING, FALLING, CHANGE
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* @param sleepingMS Number of milliseconds to sleep or 0 to sleep forever
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* @return Interrupt number if wake up was triggered by pin change, @ref MY_WAKE_UP_BY_TIMER if wake up was triggered by timer, @ref MY_SLEEP_NOT_POSSIBLE if sleep was not possible (e.g. ongoing FW update)
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*/
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int8_t smartSleep(const uint8_t interrupt, const uint8_t mode, const uint32_t sleepingMS = 0);
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/**
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* \deprecated Use sleep(interrupt1, mode1, interrupt2, mode2, ms, true) instead
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* Same as sleep(), send heartbeat and process incoming messages before going to sleep.
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* Specify the time to wait for incoming messages by defining @ref MY_SMART_SLEEP_WAIT_DURATION_MS to a time (ms).
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* @param interrupt1 First interrupt that should trigger the wakeup
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* @param mode1 Mode for first interrupt (RISING, FALLING, CHANGE)
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* @param interrupt2 Second interrupt that should trigger the wakeup
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* @param mode2 Mode for second interrupt (RISING, FALLING, CHANGE)
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* @param sleepingMS Number of milliseconds to sleep or 0 to sleep forever
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* @return Interrupt number if wake up was triggered by pin change, @ref MY_WAKE_UP_BY_TIMER if wake up was triggered by timer, @ref MY_SLEEP_NOT_POSSIBLE if sleep was not possible (e.g. ongoing FW update)
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*/
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int8_t smartSleep(const uint8_t interrupt1, const uint8_t mode1, const uint8_t interrupt2,
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const uint8_t mode2, const uint32_t sleepingMS = 0);
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/**
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* Sleep (PowerDownMode) the MCU and radio. Wake up on timer or pin change for two separate interrupts.
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* See: http://arduino.cc/en/Reference/attachInterrupt for details on modes and which pin
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* is assigned to what interrupt. On Nano/Pro Mini: 0=Pin2, 1=Pin3
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* @param sleepingMS Number of milliseconds to sleep or 0 to sleep forever
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* @param interrupt1 (optional) First interrupt that should trigger the wakeup
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* @param mode1 (optional) Mode for first interrupt (RISING, FALLING, CHANGE)
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* @param interrupt2 (optional) Second interrupt that should trigger the wakeup
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* @param mode2 (optional) Mode for second interrupt (RISING, FALLING, CHANGE)
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* @param smartSleep (optional) Set True if sending heartbeat and process incoming messages before going to sleep.
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|
* @return Interrupt number if wake up was triggered by pin change, @ref MY_WAKE_UP_BY_TIMER if wake up was triggered by timer, @ref MY_SLEEP_NOT_POSSIBLE if sleep was not possible (e.g. ongoing FW update)
|
|
*/
|
|
int8_t _sleep(const uint32_t sleepingMS, const bool smartSleep = false,
|
|
const uint8_t interrupt1 = INTERRUPT_NOT_DEFINED, const uint8_t mode1 = MODE_NOT_DEFINED,
|
|
const uint8_t interrupt2 = INTERRUPT_NOT_DEFINED, const uint8_t mode2 = MODE_NOT_DEFINED);
|
|
|
|
/**
|
|
* Return the sleep time remaining after waking up from sleep.
|
|
* Depending on the CPU architecture, the remaining time can be seconds off (e.g. upto roughly 8 seconds on AVR).
|
|
* @return Time remaining, in ms, when wake from sleep by an interrupt, 0 by timer (@ref MY_WAKE_UP_BY_TIMER), undefined otherwise.
|
|
*/
|
|
uint32_t getSleepRemaining(void);
|
|
|
|
|
|
// **** private functions ********
|
|
|
|
/**
|
|
* @defgroup MyLockgrp MyNodeLock
|
|
* @ingroup internals
|
|
* @brief API declaration for MyNodeLock
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief Lock a node and transmit provided message with 30m intervals
|
|
*
|
|
* This function is called if suspicious activity has exceeded the threshold (see
|
|
* @ref MY_NODE_LOCK_COUNTER_MAX). Unlocking with a normal Arduino bootloader require erasing the EEPROM
|
|
* while unlocking with a custom bootloader require holding @ref MY_NODE_UNLOCK_PIN low during power on/reset.
|
|
*
|
|
* @param str The string to transmit.
|
|
*/
|
|
void _nodeLock(const char *str);
|
|
|
|
/**
|
|
* @brief Check node lock status and prevent node execution if locked.
|
|
*/
|
|
void _checkNodeLock(void);
|
|
/** @}*/ // Node lock group
|
|
|
|
/**
|
|
* @brief Node initialisation
|
|
*/
|
|
void _begin(void);
|
|
/**
|
|
* @brief Main framework process
|
|
*/
|
|
void _process(void);
|
|
/**
|
|
* @brief Processes internal core message
|
|
* @return True if no further processing required
|
|
*/
|
|
bool _processInternalCoreMessage(void);
|
|
/**
|
|
* @brief Puts node to a infinite loop if unrecoverable situation detected
|
|
*/
|
|
void _infiniteLoop(void);
|
|
/**
|
|
* @brief Handles registration request
|
|
*/
|
|
void _registerNode(void);
|
|
/**
|
|
* @brief Sends message according to routing table
|
|
* @param message
|
|
* @return true Returns true if message reached the first stop on its way to destination.
|
|
*/
|
|
bool _sendRoute(MyMessage &message);
|
|
/**
|
|
* @brief Callback for incoming messages
|
|
*/
|
|
void receive(const MyMessage&) __attribute__((weak));
|
|
/**
|
|
* @brief Callback for incoming time messages
|
|
*/
|
|
void receiveTime(uint32_t) __attribute__((weak));
|
|
/**
|
|
* @brief Node presentation
|
|
*/
|
|
void presentation(void) __attribute__((weak));
|
|
/**
|
|
* @brief Called before node initialises
|
|
*/
|
|
void before(void) __attribute__((weak));
|
|
/**
|
|
* @brief Called before any hardware initialisation is done
|
|
*/
|
|
void preHwInit(void) __attribute__((weak));
|
|
/**
|
|
* @brief Called after node initialises but before main loop
|
|
*/
|
|
void setup(void) __attribute__((weak));
|
|
/**
|
|
* @brief Main loop
|
|
*/
|
|
void loop(void) __attribute__((weak));
|
|
|
|
|
|
// Inline function and macros
|
|
static inline MyMessage& build(MyMessage &msg, const uint8_t destination, const uint8_t sensor,
|
|
const mysensors_command_t command, const uint8_t type, const bool requestEcho = false)
|
|
{
|
|
msg.setSender(getNodeId());
|
|
msg.setDestination(destination);
|
|
msg.setSensor(sensor);
|
|
msg.setType(type);
|
|
msg.setCommand(command);
|
|
msg.setRequestEcho(requestEcho);
|
|
msg.setEcho(false);
|
|
return msg;
|
|
}
|
|
|
|
static inline MyMessage& buildGw(MyMessage &msg, const uint8_t type)
|
|
{
|
|
msg.setSender(GATEWAY_ADDRESS);
|
|
msg.setDestination(GATEWAY_ADDRESS);
|
|
msg.setSensor(NODE_SENSOR_ID);
|
|
msg.setType(type);
|
|
msg.setCommand(C_INTERNAL);
|
|
msg.setRequestEcho(false);
|
|
msg.setEcho(false);
|
|
return msg;
|
|
}
|
|
|
|
#endif
|
|
|
|
/** @}*/
|