initial

meterBusMaster.h

@@ -0,0 +1,90 @@
+#ifndef METERBUSMASTER_H_
+#define METERBUSMASTER_H_
+
+#include <WString.h>
+#include <Print.h>
+#include "cmd.h"
+#include "mBusDialog.h"
+
+
+const unsigned long RESPONSE_TIMEOUT = 2000;  // millisecond
+
+const uint8_t RX_EN_PIN = 2;
+const uint8_t RX_ENABLE = LOW;
+const uint8_t RX_DISABLE = HIGH;
+
+const uint8_t CURRENT_IN = A1;
+const double U_UNIT = 4.9; // mV
+const double R_SHUNT = 10.0;
+
+
+class SendOctets : public Cmd, public ResponseCallback {
+public:
+  SendOctets(RequestSender *meterBusMaster) : m_meterBusMaster(meterBusMaster) {}
+  virtual String getCmdName() { return "SO"; }
+  virtual String getHelp() { return "Send octets"; }
+  virtual String exec(String params);
+  virtual void sendResponse(uint8_t *responseBuffer, uint16_t responseBufferLength);
+  virtual void sendError(uint8_t code);
+private:
+  RequestSender *m_meterBusMaster;
+};
+
+class MeasureCurrent : public Cmd {
+public:
+  MeasureCurrent(RequestSender *meterBusMaster) : m_meterBusMaster(meterBusMaster) {}
+  virtual String getCmdName() { return "MC"; }
+  virtual String getHelp() { return "Measure current"; }
+  virtual String exec(String params);
+private:
+  RequestSender *m_meterBusMaster;
+};
+
+class CalibrationSupport : public Cmd {
+public:
+  CalibrationSupport(RequestSender *meterBusMaster) : m_meterBusMaster(meterBusMaster), enable(false) {}
+  virtual String getCmdName() { return "CS"; }
+  virtual String getHelp() { return "Calibration Support"; }
+  virtual String exec(String params);
+private:
+  RequestSender *m_meterBusMaster;
+  bool enable;
+};
+
+
+
+const uint8_t SEND_BUFFER_SIZE = 30;
+const uint8_t RECEIVE_BUFFER_SIZE = 180;
+
+class MeterBusMaster : public RequestSender {
+public:
+  MeterBusMaster();
+  void begin(CmdServer *cmdServer);
+  void exec();
+  uint8_t *getSendBuffer();
+  void sendBufferReady(uint16_t bufLen, ResponseCallback *responseCallback);
+  friend class CalibrationSupport;
+private:
+  SendOctets m_sendOctets;
+  MeasureCurrent m_measureCurrent;
+  CalibrationSupport m_calibrationSupport;
+  bool m_cmdReadyToSend;
+  bool m_cmdReadyFromRecv;
+  bool m_expectResponse;
+  uint16_t m_sendBufLen;
+  uint16_t m_recvBufLen;
+  uint8_t m_retransmitCount;
+  ResponseCallback *m_responseCallback;
+  uint8_t m_sendBuffer[SEND_BUFFER_SIZE];
+  uint8_t m_recvBuffer[RECEIVE_BUFFER_SIZE];
+  bool m_sampling;
+  bool m_calibration;
+  void prepareResponse(bool err, uint8_t in);
+  void sample();
+  void hold();
+
+};
+
+
+
+#endif /* METERBUSMASTER_H_ */