2020-10-25 20:35:34 +01:00
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/*
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***************************************************************************
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** Program : Header file: OTGWStuff.h
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2020-11-20 00:44:15 +01:00
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** Version : v0.3.0
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2020-10-25 20:35:34 +01:00
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**
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** Copyright (c) 2020 Robert van den Breemen
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** Borrowed from OpenTherm library from:
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** https://github.com/jpraus/arduino-opentherm
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**
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** TERMS OF USE: MIT License. See bottom of file.
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2020-10-28 01:40:48 +01:00
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***************************************************************************
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2020-10-25 20:35:34 +01:00
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*/
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2020-11-09 08:24:47 +01:00
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#define OTGW_COMMAND_TOPIC "command"
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2020-11-02 08:09:26 +01:00
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2020-10-25 20:35:34 +01:00
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typedef struct {
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uint16_t Status = 0; // flag8 / flag8 Master and Slave Status flags.
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float Tset = 0.0; // f8.8 Control setpoint ie CH water temperature setpoint (°C)
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uint16_t MConfigMMemberIDcode = 0; // flag8 / u8 Master Configuration Flags / Master MemberID Code
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uint16_t SConfigSMemberIDcode = 0; // flag8 / u8 Slave Configuration Flags / Slave MemberID Code
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uint16_t Command = 0; // u8 / u8 Remote Command
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uint16_t ASFflags = 0; // / OEM-fault-code flag8 / u8 Application-specific fault flags and OEM fault code
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uint16_t RBPflags = 0; // flag8 / flag8 Remote boiler parameter transfer-enable & read/write flags
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float CoolingControl = 0.0 ; // f8.8 Cooling control signal (%)
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float TsetCH2 = 0.0 ; // f8.8 Control setpoint for 2e CH circuit (°C)
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float TrOverride = 0.0 ; // f8.8 Remote override room setpoint
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uint16_t TSP = 0; // u8 / u8 Number of Transparent-Slave-Parameters supported by slave
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uint16_t TSPindexTSPvalue = 0; // u8 / u8 Index number / Value of referred-to transparent slave parameter.
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uint16_t FHBsize = 0; // u8 / u8 Size of Fault-History-Buffer supported by slave
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uint16_t FHBindexFHBvalue = 0; // u8 / u8 Index number / Value of referred-to fault-history buffer entry.
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float MaxRelModLevelSetting = 0.0 ; // f8.8 Maximum relative modulation level setting (%)
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uint16_t MaxCapacityMinModLevel = 0; // u8 / u8 Maximum boiler capacity (kW) / Minimum boiler modulation level(%)
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float TrSet = 0.0 ; // f8.8 Room Setpoint (°C)
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float RelModLevel = 0.0 ; // f8.8 Relative Modulation Level (%)
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float CHPressure = 0.0 ; // f8.8 Water pressure in CH circuit (bar)
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float DHWFlowRate = 0.0 ; // f8.8 Water flow rate in DHW circuit. (litres/minute)
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uint16_t DayTime = 0; // special / u8 Day of Week and Time of Day
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uint16_t Date = 0; // u8 / u8 Calendar date
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uint16_t Year = 0; // u16 Calendar year
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float TrSetCH2 = 0.0 ; // f8.8 Room Setpoint for 2nd CH circuit (°C)
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float Tr = 0.0 ; // f8.8 Room temperature (°C)
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float Tboiler = 0.0 ; // f8.8 Boiler flow water temperature (°C)
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float Tdhw = 0.0 ; // f8.8 DHW temperature (°C)
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float Toutside = 0.0 ; // f8.8 Outside temperature (°C)
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float Tret = 0.0 ; // f8.8 Return water temperature (°C)
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float Tstorage = 0.0 ; // f8.8 Solar storage temperature (°C)
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float Tcollector = 0.0 ; // f8.8 Solar collector temperature (°C)
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float TflowCH2 = 0.0 ; // f8.8 Flow water temperature CH2 circuit (°C)
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float Tdhw2 = 0.0 ; // f8.8 Domestic hot water temperature 2 (°C)
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int16_t Texhaust = 0; // s16 Boiler exhaust temperature (°C)
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uint16_t TdhwSetUBTdhwSetLB = 0 ; // s8 / s8 DHW setpoint upper & lower bounds for adjustment (°C)
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uint16_t MaxTSetUBMaxTSetLB = 0; // s8 / s8 Max CH water setpoint upper & lower bounds for adjustment (°C)
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uint16_t HcratioUBHcratioLB = 0; // s8 / s8 OTC heat curve ratio upper & lower bounds for adjustment
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float TdhwSet = 0.0 ; // f8.8 DHW setpoint (°C) (Remote parameter 1)
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float MaxTSet = 0.0 ; // f8.8 Max CH water setpoint (°C) (Remote parameters 2)
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float Hcratio = 0.0 ; // f8.8 OTC heat curve ratio (°C) (Remote parameter 3)
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uint16_t RemoteOverrideFunction = 0; // flag8 / - Function of manual and program changes in master and remote room setpoint.
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uint16_t OEMDiagnosticCode = 0; // u16 OEM-specific diagnostic/service code
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uint16_t BurnerStarts = 0; // u16 Number of starts burner
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uint16_t CHPumpStarts = 0; // u16 Number of starts CH pump
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uint16_t DHWPumpValveStarts = 0; // u16 Number of starts DHW pump/valve
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uint16_t DHWBurnerStarts = 0; // u16 Number of starts burner during DHW mode
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uint16_t BurnerOperationHours = 0; // u16 Number of hours that burner is in operation (i.e. flame on)
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uint16_t CHPumpOperationHours = 0; // u16 Number of hours that CH pump has been running
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uint16_t DHWPumpValveOperationHours = 0; // u16 Number of hours that DHW pump has been running or DHW valve has been opened
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uint16_t DHWBurnerOperationHours = 0; // u16 Number of hours that burner is in operation during DHW mode
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float OpenThermVersionMaster = 0.0 ; // f8.8 The implemented version of the OpenTherm Protocol Specification in the master.
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float OpenThermVersionSlave = 0.0 ; // f8.8 The implemented version of the OpenTherm Protocol Specification in the slave.
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uint16_t MasterVersion = 0; // u8 / u8 Master product version number and type
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uint16_t SlaveVersion = 0; // u8 / u8 Slave product version number and type
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} OTdataStruct;
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2020-11-02 08:09:26 +01:00
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static OTdataStruct OTdataObject;
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2020-10-25 20:35:34 +01:00
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enum OpenThermResponseStatus {
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OT_NONE,
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OT_SUCCESS,
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OT_INVALID,
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OT_TIMEOUT
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};
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enum OpenThermMessageType {
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/* Master to Slave */
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OT_READ_DATA = B000,
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OT_WRITE_DATA = B001,
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OT_INVALID_DATA = B010,
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OT_RESERVED = B011,
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/* Slave to Master */
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OT_READ_ACK = B100,
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OT_WRITE_ACK = B101,
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OT_DATA_INVALID = B110,
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OT_UNKNOWN_DATA_ID = B111
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};
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enum OpenThermMessageID {
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Status, // flag8 / flag8 Master and Slave Status flags.
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TSet, // f8.8 Control setpoint ie CH water temperature setpoint (°C)
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MConfigMMemberIDcode, // flag8 / u8 Master Configuration Flags / Master MemberID Code
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SConfigSMemberIDcode, // flag8 / u8 Slave Configuration Flags / Slave MemberID Code
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Command, // u8 / u8 Remote Command
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ASFflags, // / OEM-fault-code flag8 / u8 Application-specific fault flags and OEM fault code
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RBPflags, // flag8 / flag8 Remote boiler parameter transfer-enable & read/write flags
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CoolingControl, // f8.8 Cooling control signal (%)
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TsetCH2, // f8.8 Control setpoint for 2e CH circuit (°C)
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TrOverride, // f8.8 Remote override room setpoint
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TSP, // u8 / u8 Number of Transparent-Slave-Parameters supported by slave
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TSPindexTSPvalue, // u8 / u8 Index number / Value of referred-to transparent slave parameter.
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FHBsize, // u8 / u8 Size of Fault-History-Buffer supported by slave
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FHBindexFHBvalue, // u8 / u8 Index number / Value of referred-to fault-history buffer entry.
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MaxRelModLevelSetting, // f8.8 Maximum relative modulation level setting (%)
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MaxCapacityMinModLevel, // u8 / u8 Maximum boiler capacity (kW) / Minimum boiler modulation level(%)
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TrSet, // f8.8 Room Setpoint (°C)
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RelModLevel, // f8.8 Relative Modulation Level (%)
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CHPressure, // f8.8 Water pressure in CH circuit (bar)
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DHWFlowRate, // f8.8 Water flow rate in DHW circuit. (litres/minute)
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DayTime, // special / u8 Day of Week and Time of Day
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Date, // u8 / u8 Calendar date
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Year, // u16 Calendar year
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TrSetCH2, // f8.8 Room Setpoint for 2nd CH circuit (°C)
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Tr, // f8.8 Room temperature (°C)
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Tboiler, // f8.8 Boiler flow water temperature (°C)
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Tdhw, // f8.8 DHW temperature (°C)
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Toutside, // f8.8 Outside temperature (°C)
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Tret, // f8.8 Return water temperature (°C)
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Tstorage, // f8.8 Solar storage temperature (°C)
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Tcollector, // f8.8 Solar collector temperature (°C)
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TflowCH2, // f8.8 Flow water temperature CH2 circuit (°C)
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Tdhw2, // f8.8 Domestic hot water temperature 2 (°C)
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Texhaust, // s16 Boiler exhaust temperature (°C)
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TdhwSetUBTdhwSetLB = 48, // s8 / s8 DHW setpoint upper & lower bounds for adjustment (°C)
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MaxTSetUBMaxTSetLB, // s8 / s8 Max CH water setpoint upper & lower bounds for adjustment (°C)
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HcratioUBHcratioLB, // s8 / s8 OTC heat curve ratio upper & lower bounds for adjustment
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TdhwSet = 56, // f8.8 DHW setpoint (°C) (Remote parameter 1)
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MaxTSet, // f8.8 Max CH water setpoint (°C) (Remote parameters 2)
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Hcratio, // f8.8 OTC heat curve ratio (°C) (Remote parameter 3)
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RemoteOverrideFunction = 100, // flag8 / - Function of manual and program changes in master and remote room setpoint.
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OEMDiagnosticCode = 115, // u16 OEM-specific diagnostic/service code
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BurnerStarts, // u16 Number of starts burner
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CHPumpStarts, // u16 Number of starts CH pump
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DHWPumpValveStarts, // u16 Number of starts DHW pump/valve
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DHWBurnerStarts, // u16 Number of starts burner during DHW mode
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BurnerOperationHours, // u16 Number of hours that burner is in operation (i.e. flame on)
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CHPumpOperationHours, // u16 Number of hours that CH pump has been running
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DHWPumpValveOperationHours, // u16 Number of hours that DHW pump has been running or DHW valve has been opened
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DHWBurnerOperationHours, // u16 Number of hours that burner is in operation during DHW mode
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OpenThermVersionMaster, // f8.8 The implemented version of the OpenTherm Protocol Specification in the master.
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OpenThermVersionSlave, // f8.8 The implemented version of the OpenTherm Protocol Specification in the slave.
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MasterVersion, // u8 / u8 Master product version number and type
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SlaveVersion, // u8 / u8 Slave product version number and type
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};
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2020-12-10 23:55:22 +01:00
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2020-10-25 20:35:34 +01:00
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enum OpenThermStatus {
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OT_NOT_INITIALIZED,
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OT_READY,
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OT_DELAY,
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OT_REQUEST_SENDING,
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OT_RESPONSE_WAITING,
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OT_RESPONSE_START_BIT,
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OT_RESPONSE_RECEIVING,
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OT_RESPONSE_READY,
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OT_RESPONSE_INVALID
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};
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/**
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* Structure to hold Opentherm data packet content.
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* Use f88(), u16() or s16() functions to get appropriate value of data packet accoridng to id of message.
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*/
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/**
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* Structure to hold Opentherm data packet content.
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* Use f88(), u16() or s16() functions to get appropriate value of data packet according to id of message.
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*/
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struct OpenthermData {
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byte type;
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byte id;
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byte valueHB;
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byte valueLB;
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/**
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* @return float representation of data packet value
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*/
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float f88();
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/**
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* @param float number to set as value of this data packet
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*/
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void f88(float value);
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/**
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* @return unsigned 16b integer representation of data packet value
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*/
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uint16_t u16();
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/**
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* @param unsigned 16b integer number to set as value of this data packet
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*/
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void u16(uint16_t value);
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/**
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* @return signed 16b integer representation of data packet value
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*/
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int16_t s16();
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/**
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* @param signed 16b integer number to set as value of this data packet
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*/
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void s16(int16_t value);
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};
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static volatile unsigned long _data;
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/***************************************************************************
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to permit
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* persons to whom the Software is furnished to do so, subject to the
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* following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in 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
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
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* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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***************************************************************************/
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