mirror
/
wmbusmeters
kopia lustrzana https://github.com/weetmuts/wmbusmeters
1
0
Forkuj 0
Kod Zgłoszenia Projekty Wydania Wiki Aktywność
wmbusmeters/meter_multical21.cc

439 wiersze
13 KiB
C++
Czysty Wina Historia

/*
Copyright (C) 2017-2018 Fredrik Öhrström
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include"dvparser.h"
#include"meters.h"
#include"meters_common_implementation.h"
#include"wmbus.h"
#include"wmbus_utils.h"
#include"util.h"
#include<assert.h>
#include<map>
#include<memory.h>
#include<stdio.h>
#include<string>
#include<time.h>
#include<vector>
using namespace std;
#define INFO_CODE_DRY 0x01
#define INFO_CODE_DRY_SHIFT (4+0)
#define INFO_CODE_REVERSE 0x02
#define INFO_CODE_REVERSE_SHIFT (4+3)
#define INFO_CODE_LEAK 0x04
#define INFO_CODE_LEAK_SHIFT (4+6)
#define INFO_CODE_BURST 0x08
#define INFO_CODE_BURST_SHIFT (4+9)
struct MeterMultical21 : public virtual WaterMeter, public virtual MeterCommonImplementation {
MeterMultical21(WMBus *bus, const char *name, const char *id, const char *key);
// Total water counted through the meter
float totalWaterConsumption();
bool hasTotalWaterConsumption();
// Meter sends target water consumption or max flow, depending on meter configuration
// We can see which was sent inside the wmbus message!
// Target water consumption: The total consumption at the start of the previous 30 day period.
float targetWaterConsumption();
bool hasTargetWaterConsumption();
// Max flow during last month or last 24 hours depending on meter configuration.
float maxFlow();
bool hasMaxFlow();
// statusHumanReadable: DRY,REVERSED,LEAK,BURST if that status is detected right now, followed by
// (dry 15-21 days) which means that, even it DRY is not active right now,
// DRY has been active for 15-21 days during the last 30 days.
string statusHumanReadable();
string status();
string timeDry();
string timeReversed();
string timeLeaking();
string timeBursting();
void printMeterHumanReadable(FILE *output);
void printMeterFields(FILE *output, char separator);
void printMeterJSON(FILE *output);
private:
void handleTelegram(Telegram *t);
void processContent(Telegram *t);
string decodeTime(int time);
uint16_t info_codes_ {};
float total_water_consumption_ {};
bool has_total_water_consumption_ {};
float target_volume_ {};
bool has_target_volume_ {};
float max_flow_ {};
bool has_max_flow_ {};
};
MeterMultical21::MeterMultical21(WMBus *bus, const char *name, const char *id, const char *key) :
MeterCommonImplementation(bus, name, id, key, MULTICAL21_METER, MANUFACTURER_KAM, 0x16)
{
MeterCommonImplementation::bus()->onTelegram(calll(this,handleTelegram,Telegram*));
}
float MeterMultical21::totalWaterConsumption()
{
return total_water_consumption_;
}
bool MeterMultical21::hasTotalWaterConsumption()
{
return has_total_water_consumption_;
}
float MeterMultical21::targetWaterConsumption()
{
return target_volume_;
}
bool MeterMultical21::hasTargetWaterConsumption()
{
return has_target_volume_;
}
float MeterMultical21::maxFlow()
{
return max_flow_;
}
bool MeterMultical21::hasMaxFlow()
{
return has_max_flow_;
}
WaterMeter *createMultical21(WMBus *bus, const char *name, const char *id, const char *key)
{
return new MeterMultical21(bus,name,id,key);
}
void MeterMultical21::handleTelegram(Telegram *t)
{
if (!isTelegramForMe(t)) {
// This telegram is not intended for this meter.
return;
}
verbose("(multical21) telegram for %s %02x%02x%02x%02x\n",
name().c_str(),
t->a_field_address[0], t->a_field_address[1], t->a_field_address[2],
t->a_field_address[3]);
if (t->a_field_device_type != 0x16) {
warning("(multical21) expected telegram for water media, but got \"%s\"!\n",
mediaType(t->m_field, t->a_field_device_type).c_str());
}
if (t->m_field != manufacturer() ||
t->a_field_version != 0x1b) {
warning("(multical21) expected telegram from KAM meter with version 0x1b, but got \"%s\" version 0x2x !\n",
manufacturerFlag(t->m_field).c_str(), t->a_field_version);
}
if (useAes()) {
vector<uchar> aeskey = key();
decryptKamstrupC1(t, aeskey);
} else {
t->content = t->payload;
}
logTelegram("(multical21) log", t->parsed, t->content);
int content_start = t->parsed.size();
processContent(t);
if (isDebugEnabled()) {
t->explainParse("(multical21)", content_start);
}
triggerUpdate(t);
}
void MeterMultical21::processContent(Telegram *t)
{
vector<uchar>::iterator bytes = t->content.begin();
int crc0 = t->content[0];
int crc1 = t->content[1];
t->addExplanation(bytes, 2, "%02x%02x payload crc", crc0, crc1);
int frame_type = t->content[2];
t->addExplanation(bytes, 1, "%02x frame type (%s)", frame_type, frameTypeKamstrupC1(frame_type).c_str());
if (frame_type == 0x79)
{
if (t->content.size() != 15) {
warning("(multical21) warning: Unexpected length of short frame %zu. Expected 15 bytes! ",
t->content.size());
padWithZeroesTo(&t->content, 15, &t->content);
warning("\n");
}
// 0,1 = crc for format signature = hash over DRH (Data Record Header)
// The DRH is the dif(dife)vif(vife) bytes for all the records...
// This hash should be used to pick up a suitable format string.
// Below, DRH is hardcoded to 02FF2004134413
int ecrc0 = t->content[3];
int ecrc1 = t->content[4];
// 2,3 = crc for payload = hash over both DRH and data bytes.
int ecrc2 = t->content[5];
int ecrc3 = t->content[6];
t->addExplanation(bytes, 4, "%02x%02x%02x%02x ecrc", ecrc0, ecrc1, ecrc2, ecrc3);
vector<uchar>::iterator data = t->content.begin()+7;
size_t data_len = t->content.size()-7;
map<string,pair<int,string>> values;
uint16_t format_hash;
vector<uchar> format_bytes;
hex2bin("02FF2004134413", &format_bytes);
vector<uchar>::iterator format = format_bytes.begin();
parseDV(t, data, data_len, &values, &format, format_bytes.size(), &format_hash);
int offset;
extractDVuint16(&values, "02FF20", &offset, &info_codes_);
t->addMoreExplanation(offset, " info codes (%s)", statusHumanReadable().c_str());
extractDVfloat(&values, "0413", &offset, &total_water_consumption_);
has_total_water_consumption_ = true;
t->addMoreExplanation(offset, " total consumption (%f m3)", total_water_consumption_);
extractDVfloatCombined(&values, "0413", "4413", &offset, &target_volume_);
has_target_volume_ = true;
t->addMoreExplanation(offset, " target consumption (%f m3)", target_volume_);
}
else
if (frame_type == 0x78)
{
if (t->content.size() != 22) {
warning("(multical21) warning: Unexpected length of long frame %zu. Expected 22 bytes! ", t->content.size());
padWithZeroesTo(&t->content, 22, &t->content);
warning("\n");
}
vector<uchar>::iterator data = t->content.begin()+3;
size_t data_len = t->content.size()-3-4; // Why this number?
map<string,pair<int,string>> values;
uint16_t format_hash;
parseDV(t, data, data_len, &values, NULL, 0, &format_hash);
// There are two more bytes in the data. Unknown purpose.
int val0 = t->content[20];
int val1 = t->content[21];
int offset;
extractDVuint16(&values, "02FF20", &offset, &info_codes_);
t->addMoreExplanation(offset, " info codes (%s)", statusHumanReadable().c_str());
extractDVfloat(&values, "0413", &offset, &total_water_consumption_);
has_total_water_consumption_ = true;
t->addMoreExplanation(offset, " total consumption (%f m3)", total_water_consumption_);
extractDVfloat(&values, "4413", &offset, &target_volume_);
has_target_volume_ = true;
t->addMoreExplanation(offset, " target consumption (%f m3)", target_volume_);
// To unknown bytes, seems to be very constant.
t->addExplanation(data, 2, "%02x%02x unknown", val0, val1);
} else {
warning("(multical21) warning: unknown frame %02x (did you use the correct encryption key?)\n", frame_type);
}
}
string MeterMultical21::status()
{
string s;
if (info_codes_ & INFO_CODE_DRY) s.append("DRY ");
if (info_codes_ & INFO_CODE_REVERSE) s.append("REVERSED ");
if (info_codes_ & INFO_CODE_LEAK) s.append("LEAK ");
if (info_codes_ & INFO_CODE_BURST) s.append("BURST ");
if (s.length() > 0) {
s.pop_back(); // Remove final space
return s;
}
return s;
}
string MeterMultical21::timeDry()
{
int time_dry = (info_codes_ >> INFO_CODE_DRY_SHIFT) & 7;
if (time_dry) {
return decodeTime(time_dry);
}
return "";
}
string MeterMultical21::timeReversed()
{
int time_reversed = (info_codes_ >> INFO_CODE_REVERSE_SHIFT) & 7;
if (time_reversed) {
return decodeTime(time_reversed);
}
return "";
}
string MeterMultical21::timeLeaking()
{
int time_leaking = (info_codes_ >> INFO_CODE_LEAK_SHIFT) & 7;
if (time_leaking) {
return decodeTime(time_leaking);
}
return "";
}
string MeterMultical21::timeBursting()
{
int time_bursting = (info_codes_ >> INFO_CODE_BURST_SHIFT) & 7;
if (time_bursting) {
return decodeTime(time_bursting);
}
return "";
}
string MeterMultical21::statusHumanReadable()
{
string s;
bool dry = info_codes_ & INFO_CODE_DRY;
int time_dry = (info_codes_ >> INFO_CODE_DRY_SHIFT) & 7;
if (dry || time_dry) {
if (dry) s.append("DRY");
s.append("(dry ");
s.append(decodeTime(time_dry));
s.append(") ");
}
bool reversed = info_codes_ & INFO_CODE_REVERSE;
int time_reversed = (info_codes_ >> INFO_CODE_REVERSE_SHIFT) & 7;
if (reversed || time_reversed) {
if (dry) s.append("REVERSED");
s.append("(rev ");
s.append(decodeTime(time_reversed));
s.append(") ");
}
bool leak = info_codes_ & INFO_CODE_LEAK;
int time_leak = (info_codes_ >> INFO_CODE_LEAK_SHIFT) & 7;
if (leak || time_leak) {
if (dry) s.append("LEAK");
s.append("(leak ");
s.append(decodeTime(time_leak));
s.append(") ");
}
bool burst = info_codes_ & INFO_CODE_BURST;
int time_burst = (info_codes_ >> INFO_CODE_BURST_SHIFT) & 7;
if (burst || time_burst) {
if (dry) s.append("BURST");
s.append("(burst ");
s.append(decodeTime(time_burst));
s.append(") ");
}
if (s.length() > 0) {
s.pop_back();
return s;
}
return "OK";
}
string MeterMultical21::decodeTime(int time)
{
if (time>7) {
warning("(multical21) warning: Cannot decode time %d should be 0-7.\n", time);
}
switch (time) {
case 0:
return "0 hours";
case 1:
return "1-8 hours";
case 2:
return "9-24 hours";
case 3:
return "2-3 days";
case 4:
return "4-7 days";
case 5:
return "8-14 days";
case 6:
return "15-21 days";
case 7:
return "22-31 days";
default:
return "?";
}
}
void MeterMultical21::printMeterHumanReadable(FILE *output)
{
fprintf(output, "%s\t%s\t% 3.3f m3\t% 3.3f m3\t%s\t%s\n",
name().c_str(),
id().c_str(),
totalWaterConsumption(),
targetWaterConsumption(),
statusHumanReadable().c_str(),
datetimeOfUpdateHumanReadable().c_str());
}
void MeterMultical21::printMeterFields(FILE *output, char separator)
{
fprintf(output, "%s%c%s%c%f%c%f%c%s%c%s\n",
name().c_str(), separator,
id().c_str(), separator,
totalWaterConsumption(), separator,
targetWaterConsumption(), separator,
statusHumanReadable().c_str(), separator,
datetimeOfUpdateRobot().c_str());
}
#define Q(x,y) "\""#x"\":"#y","
#define QS(x,y) "\""#x"\":\""#y"\","
#define QSE(x,y) "\""#x"\":\""#y"\""
void MeterMultical21::printMeterJSON(FILE *output)
{
fprintf(output, "{media:\"%s\",meter:\"multical21\","
QS(name,%s)
QS(id,%s)
Q(total_m3,%f)
Q(target_m3,%f)
QS(current_status,%s)
QS(time_dry,%s)
QS(time_reversed,%s)
QS(time_leaking,%s)
QS(time_bursting,%s)
QSE(timestamp,%s)
"}\n",
mediaType(manufacturer(), media()).c_str(),
name().c_str(),
id().c_str(),
totalWaterConsumption(),
targetWaterConsumption(),
status().c_str(), // DRY REVERSED LEAK BURST
timeDry().c_str(),
timeReversed().c_str(),
timeLeaking().c_str(),
timeBursting().c_str(),
datetimeOfUpdateRobot().c_str());
}
Reference in New Issue View Git Blame Kopiuj bezpośredni odnośnik