99 lines
3.4 KiB
C++
99 lines
3.4 KiB
C++
// IBS_Sensor.hpp
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// Interfaces a Hella IBS-200X Battery Sensor via Lin-BUS
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// Provides voltage, curret, State of Charge, etc.
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//
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// Copyright mestrode <ardlib@mestro.de>
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// Original Source: "https://github.com/mestrode/IBS-Sensor-Library"
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//
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// Requires class Lin_Interface: https://github.com/mestrode/Lin-Interface-Library
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//
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// Includes informations provided by breezer
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// https://www.kastenwagenforum.de/forum/threads/diy-hella-ibs-batteriecomputer.31724/page-2
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// Includes informations from the code created by Frank Schöniger
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// https://github.com/frankschoeniger/LIN_Interface
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#pragma once
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//#include <Arduino.h>
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//This device needs a lin interface to read and write on
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#include <Lin_Interface.hpp>
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#define LIN_BAUDRATE_IBS_SENSOR 19200
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class IBS_Sensor {
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public:
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// Batery types
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enum IBS_BatteryTypes {
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BAT_TYPE_STARTER,
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BAT_TYPE_GEL,
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BAT_TYPE_AGM
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};
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// constructor
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IBS_Sensor(int SensorNo);
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// Lin Interface will be used to send and request frames
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Lin_Interface *LinBus;
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// Frame "Status"
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bool StatusReady = false; // ready for Data Request?
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uint8_t StatusByte = 0x00; // provides at least a StatusReady flag, but the is more encoded
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// Frame "Current"
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float Ibat = 0.0; // Current in Ampere
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float Ubat = 0.0; // Battery Voltage in Volt
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float Tbat = 0.0; // Battery Temperature in Celsius
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uint8_t unknown1 = 0x00;
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// Frame "Error", flags / code unknown
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uint8_t ErrorByte = 0x00; // Error code/flags?
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// Frame "tb3", data unknown
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uint16_t unknown2;
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uint16_t unknown3;
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// Frame "SOx", mayby includes State of Functon?
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float SOH = -1.0; // procides State of Healt in percent
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float SOC = -1.0; // procides State of Charge in percent
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uint8_t unknown4;
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uint8_t unknown5;
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uint16_t unknown6;
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// Frame "Capacity"
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float Cap_Max = 0.0; // max seen capacity
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float Cap_Available = 0.0; // max available capacity, means charge level
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uint8_t Cap_Configured = 0; // configured battery capacity
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bool CalibrationDone = false; // data may plausible, but sensor has still some doubts
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uint8_t CalibByte = 0x00; // Capacity flag byte, may only contains CalibrationDone flag
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//-----------------------------------------------------------------------------
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// Request current valus form sensor
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// regular read
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bool readFrames();
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// specific read of Frame
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bool readFrameStatus();
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bool readFrameCurrent();
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bool readFrameError();
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bool readFrameSOx();
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bool readFrameCapacity();
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bool readFrameTB3();
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//-----------------------------------------------------------------------------
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// configuration of Sensor - only needed once: data will be stored in sensor
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//configuration of sensor
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void writeConfiguration(IBS_BatteryTypes BatType, uint8_t BatCapacity);
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// all known configuraton Frames, used by original Panel
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void writeUnknownParam();
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void writeBatCapacity(uint8_t BatCapacity);
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void writeBatType(IBS_BatteryTypes BatType);
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private:
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// SensorNo = 0 --> Hella IBS 200 labeled "Sensor 1"
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// SensorNo = 1 --> Hella IBS 200 labeled "Sensor 2"
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int _SensorNo;
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};
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