139 lines
2.9 KiB
C++
139 lines
2.9 KiB
C++
#ifndef __hciemulator_h
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#define __hciemulator_h
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#include <Arduino.h>
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#include <Stream.h>
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#include <SoftwareSerial.h>
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#define LL_OFF 0
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#define LL_ERROR 1
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#define LL_WARN 2
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#define LL_INFO 3
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#define LL_DEBUG 4
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#define DEFAULTLOGLEVEL LL_INFO
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#define DEVICEID 0x02
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#define BROADCASTID 0x00
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#define SIMULATEKEYPRESSDELAYMS 100
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// Modbus states that a baud rate higher than 19200 must use a fixed 750 us
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// for inter character time out and 1.75 ms for a frame delay.
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// For baud rates below 19200 the timeing is more critical and has to be calculated.
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// E.g. 9600 baud in a 10 bit packet is 960 characters per second
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// In milliseconds this will be 960characters per 1000ms. So for 1 character
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// 1000ms/960characters is 1.04167ms per character and finaly modbus states an
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// intercharacter must be 1.5T or 1.5 times longer than a normal character and thus
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// 1.5T = 1.04167ms * 1.5 = 1.5625ms. A frame delay is 3.5T.
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#define T1_5 750
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#define T3_5 4800 // 1750
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enum DoorState : uint8_t
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{
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DOOR_OPEN_POSITION = 0x20,
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DOOR_CLOSE_POSITION = 0x40,
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DOOR_HALF_POSITION = 0x80,
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DOOR_MOVE_CLOSEPOSITION = 0x02,
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DOOR_MOVE_OPENPOSITION = 0x01,
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};
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struct SHCIState
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{
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bool valid;
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bool lampOn;
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uint8_t doorState; // see DoorState
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uint8_t doorCurrentPosition;
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uint8_t doorTargetPosition;
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uint8_t reserved;
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};
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enum StateMachine : uint8_t
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{
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WAITING,
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STARTOPENDOOR,
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STARTOPENDOOR_RELEASE,
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STARTOPENDOORHALF,
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STARTOPENDOORHALF_RELEASE,
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STARTCLOSEDOOR,
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STARTCLOSEDOOR_RELEASE,
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STARTSTOPDOOR,
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STARTSTOPDOOR_RELEASE,
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STARTTOGGLELAMP,
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STARTTOGGLELAMP_RELEASE,
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STARTVENTPOSITION,
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STARTVENTPOSITION_RELEASE
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};
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class HCIEmulator
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{
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public:
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typedef std::function<void(const SHCIState &)> callback_function_t;
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HCIEmulator();
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void poll();
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void openDoor();
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void openDoorHalf();
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void closeDoor();
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void stopDoor();
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void toggleLamp();
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void ventilationPosition();
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const SHCIState &getState()
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{
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if (micros() - m_recvTime > 2000000)
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{
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// 2 sec without statusmessage
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m_state.valid = false;
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}
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return m_state;
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};
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unsigned long getMessageAge()
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{
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return micros() - m_recvTime;
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}
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int getLogLevel();
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void setLogLevel(int level);
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void onStatusChanged(callback_function_t handler);
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protected:
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void processFrame();
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void processDeviceStatusFrame();
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void processDeviceBusScanFrame();
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void processBroadcastStatusFrame();
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private:
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callback_function_t m_statusCallback;
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Stream *m_port;
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SHCIState m_state;
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StateMachine m_statemachine;
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unsigned long m_recvTime;
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unsigned long m_lastStateTime;
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unsigned long m_lastSendTime;
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size_t m_rxlen;
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size_t m_txlen;
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unsigned char m_rxbuffer[255] = {
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0,
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};
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unsigned char m_txbuffer[255] = {
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0,
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};
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bool m_skipFrame;
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};
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#endif
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