76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
#ifndef METERBUSMASTER_H_
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#define METERBUSMASTER_H_
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#include <WString.h>
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#include <Print.h>
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#include "cmd.h"
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#include "mBusDialog.h"
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const unsigned long RESPONSE_TIMEOUT = 2000; // millisecond
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const uint8_t RX_EN_PIN = 2;
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const uint8_t RX_ENABLE = LOW;
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const uint8_t RX_DISABLE = HIGH;
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const uint8_t CURRENT_IN = A0;
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const double U_UNIT = 4.9; // mV
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const double R_SHUNT = 11.0;
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class SendOctets : public Cmd, public ResponseCallback {
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public:
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SendOctets(RequestSender *meterBusMaster) : m_meterBusMaster(meterBusMaster) {}
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virtual String getCmdName() { return "SO"; }
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virtual String getHelp() { return "Send octets"; }
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virtual String exec(String params);
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virtual void sendResponse(uint8_t *responseBuffer, uint16_t responseBufferLength);
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virtual void sendError(uint8_t code);
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private:
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RequestSender *m_meterBusMaster;
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};
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class MeasureCurrent : public Cmd {
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public:
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MeasureCurrent(RequestSender *meterBusMaster) : m_meterBusMaster(meterBusMaster) {}
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virtual String getCmdName() { return "MC"; }
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virtual String getHelp() { return "Measure current"; }
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virtual String exec(String params);
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private:
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RequestSender *m_meterBusMaster;
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};
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const uint8_t SEND_BUFFER_SIZE = 30;
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const uint8_t RECEIVE_BUFFER_SIZE = 180;
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class MeterBusMaster : public RequestSender {
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public:
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MeterBusMaster();
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void begin(CmdServer *cmdServer);
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void exec();
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uint8_t *getSendBuffer();
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void sendBufferReady(uint16_t bufLen, ResponseCallback *responseCallback);
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private:
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SendOctets m_sendOctets;
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MeasureCurrent m_measureCurrent;
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bool m_cmdReadyToSend;
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bool m_cmdReadyFromRecv;
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bool m_expectResponse;
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uint16_t m_sendBufLen;
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uint16_t m_recvBufLen;
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uint8_t m_retransmitCount;
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ResponseCallback *m_responseCallback;
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uint8_t m_sendBuffer[SEND_BUFFER_SIZE];
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uint8_t m_recvBuffer[RECEIVE_BUFFER_SIZE];
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bool m_sampling;
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void prepareResponse(bool err, uint8_t in);
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void sample();
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void hold();
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};
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#endif /* METERBUSMASTER_H_ */
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