ThermometerPro/meterBusClientFrames.cpp

/*
 * meterBusClientFrames.cpp
 *
 *  Created on: 09.03.2014
 *      Author: wn
 */

#include "meterBusClient.h"

void MeterBusClient::aSB(unsigned char v) {
  m_sendBuffer[m_sendBufferLen] = v;
  m_sendBufferLen++;
}

void MeterBusClient::aSB(unsigned int v) {
  // 16 bit
  union {
    unsigned int i;
    unsigned char c[2];
  } u;
  u.i = v;
  m_sendBuffer[m_sendBufferLen] = u.c[0];
  m_sendBufferLen++;
  m_sendBuffer[m_sendBufferLen] = u.c[1];
  m_sendBufferLen++;
}

void MeterBusClient::aSB(unsigned long v) {
  // 32 bit
  union{
    unsigned long l;
    unsigned char c[4];
  } u;
  u.l = v;
  m_sendBuffer[m_sendBufferLen] = u.c[0];
  m_sendBufferLen++;
  m_sendBuffer[m_sendBufferLen] = u.c[1];
  m_sendBufferLen++;
  m_sendBuffer[m_sendBufferLen] = u.c[2];
  m_sendBufferLen++;
  m_sendBuffer[m_sendBufferLen] = u.c[3];
  m_sendBufferLen++;
}

void MeterBusClient::aSB(float v) {
  // 32 bit
  union{
    float f;
    unsigned char c[4];
  } u;
  u.f = v;
  m_sendBuffer[m_sendBufferLen] = u.c[0];
  m_sendBufferLen++;
  m_sendBuffer[m_sendBufferLen] = u.c[1];
  m_sendBufferLen++;
  m_sendBuffer[m_sendBufferLen] = u.c[2];
  m_sendBufferLen++;
  m_sendBuffer[m_sendBufferLen] = u.c[3];
  m_sendBufferLen++;
}

unsigned char MeterBusClient::calcSendChecksum() {
  unsigned char checksum = 0;
  for (unsigned int i = 4; i < m_sendBufferLen; i++) {
    checksum += m_sendBuffer[i];
  }
  return checksum;
}

void MeterBusClient::calcAndSetFrameLength() {
  unsigned char frameLength = m_sendBufferLen - 6;
  m_sendBuffer[1] = frameLength;
  m_sendBuffer[2] = frameLength;
}

void MeterBusClient::SND_NKE() {
  m_sendBufferLen = 0;
  aSB((unsigned char)0xE5);
}

void MeterBusClient::REQ_UD2() {
  m_sendBufferLen = 0;
  // frame header
  aSB((unsigned char)0x68);
  aSB((unsigned char)0x00);
  aSB((unsigned char)0x00);
  aSB((unsigned char)0x68);

  // C
  aSB((unsigned char)0x08);

  // A
  aSB(getAddress());

  // CI
  aSB((unsigned char)0x72);

  // Header
  aSB((unsigned long)0); // Ident
  aSB((unsigned int)0);  // Manu.
  aSB((unsigned char)1); // Version
  aSB((unsigned char)0); // Medium: other
  aSB(getAccessCnt());   // Access
  aSB(getStatus());      // Status
  aSB((unsigned int)0);  // Signatur

  // Uptime
  // DIF
  aSB((unsigned char)0x01);
  // VIF
  aSB((unsigned char)0x24);
  aSB(m_uptime->getSeconds());

  // DIF
  aSB((unsigned char)0x01);
  // VIF
  aSB((unsigned char)0x25);
  aSB(m_uptime->getMinutes());

  // DIF
  aSB((unsigned char)0x01);
  // VIF
  aSB((unsigned char)0x26);
  aSB(m_uptime->getHours());

  // DIF
  aSB((unsigned char)0x02);
  // VIF
  aSB((unsigned char)0x27);
  aSB((unsigned int)m_uptime->getDays());


  // Temperatur 1
  // DIF
  aSB((unsigned char)0x05);
  // VIF
  aSB((unsigned char)0x67);
  // value
  aSB(m_thermometer->getTemperature(0));

  // Temperatur 2
  // DIF
  aSB((unsigned char)0x05);
  // VIF
  aSB((unsigned char)0x67);
  // value
  aSB(m_thermometer->getTemperature(1));

  // Temperatur 3
  // DIF
  aSB((unsigned char)0x05);
  // VIF
  aSB((unsigned char)0x67);
  // value
  aSB(m_thermometer->getTemperature(2));

  // Temperatur 4
  // DIF
  aSB((unsigned char)0x05);
  // VIF
  aSB((unsigned char)0x67);
  // value
  aSB(m_thermometer->getTemperature(3));

  // Structured Manufacturer Data
  // DIF
  aSB((unsigned char)0x0f);
  aSB(m_frameCnt);
  aSB(m_myFrameCnt);
  aSB(m_invalidFrameCnt);
  aSB(m_invalidChecksum);
  aSB(m_collisionCnt);
  aSB(m_thermometer->getCalibrateFactor(0));
  aSB(m_thermometer->getCalibrateFactor(1));
  aSB(m_thermometer->getCalibrateFactor(2));
  aSB(m_thermometer->getCalibrateFactor(3));
  aSB(m_thermometer->getAlpha());
  aSB(m_thermometer->getPeriodMeasure());


  aSB(calcSendChecksum());
  aSB((unsigned char)0x16);
  calcAndSetFrameLength();
}