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daikinac.c
1518 lines (1481 loc) · 54.7 KB
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daikinac.c
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// Daikin A/C control / monitoring
#include <stdio.h>
#include <string.h>
#include <popt.h>
#include <time.h>
#include <sys/time.h>
#include <syslog.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <fcntl.h>
#include <netdb.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/wait.h>
#include <unistd.h>
#include <ctype.h>
#include <err.h>
#include <signal.h>
#include <math.h>
#include <curl/curl.h>
#ifdef SQLLIB
#include <sqllib.h>
#endif
#ifdef LIBMQTT
#include <mosquitto.h>
#endif
#if defined(SQLLIB) || defined(LIBMQTT)
#include <axl.h>
#endif
#ifdef LIBSNMP
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/session_api.h>
#endif
#define controlfields \
c(pow, Power, 0/1) \
c(mode, Mode, 1-7) \
c(stemp, Temp, C) \
c(shum, Numidity, %) \
c(f_rate, Fan, A/B/3-7) \
c(f_dir, Fan dir, 0-3) \
const char *modename[] = { "None", "Auto", "Dry", "Cool", "Heat", "Five", "Fan", "Auto" };
int mqttdebug = 0;
int curldebug = 0;
int debug = 0;
#ifdef LIBMQTT // Auto settings are done based on MQTT cmnd/[name]/atemp periodically
double maxtemp = 30; // Aircon temp range allowed
double mintemp = 18;
double ripple = 0.1; // allow some ripple
double startheat = -1; // Where to start heating
double startcool = 1; // Where to start cooling
double maxrheat = 1; // Max offset to apply (reverse) - heating
double maxfheat = 2; // Max offset to apply (forward) - heating
double maxrcool = 4; // Max offset to apply (reverse) - cooling
double maxfcool = 3; // Max offset to apply (forward) - cooling
double driftrate = 0.01; // Per sample slow drift allowed
double driftback = 0.999; // slow return to 0
int cmpfreqlow = 10; // Low rate allowed
int mqttperiod = 60; // Logging period
int mqttmaxdelay = 3600; // Max delay reporting
int resetlag = 900; // Wait for any major change to stabilise
int maxsamples = 60; // For average logic
int minsamples = 5; // For average logic
const char *mqttid = NULL; // MQTT settings
const char *mqtthost = NULL;
const char *mqttuser = NULL;
const char *mqttpass = NULL;
const char *mqtttopic = "diakin";
const char *mqttcmnd = "cmnd";
const char *mqtttele = "tele";
char *mqttotemp = NULL;
char *mqttatemp = NULL;
char *mqttco2 = NULL;
char *mqttrh = NULL;
// This function does automatic temperature adjust
// If SQL available it is called at start with recent data, in order to catch up any state it needs
// Its job is to process current temp and settings and make any needed changes to settings
typedef struct temp_s temp_t;
struct temp_s
{
temp_t *next;
time_t updated;
double temp;
double pow;
};
typedef struct tempq_s tempq_t;
struct tempq_s
{
temp_t *first,
*last;
int num;
double sum;
double sumpow;
};
tempq_t atempq = { };
tempq_t stempq = { };
tempq_t stemplagq = { };
double
addtemp (tempq_t * q, time_t updated, double temp, double pow)
{
if (!updated)
return 0; // Not set
if (q->last && q->last->updated >= updated)
return 0; // Not new
double last = 0;
if (q->last)
last = q->last->temp;
temp_t *t = malloc (sizeof (*t));
if (!t)
errx (1, "malloc");
t->next = NULL;
t->updated = updated;
t->temp = temp;
t->pow = pow;
q->sum += temp;
q->sumpow += pow;
q->num++;
if (q->last)
q->last->next = t;
else
q->first = t;
q->last = t;
return temp - last;
}
void
flushtemp (tempq_t * q, time_t ref, tempq_t * req)
{
while (q->first && q->first->updated <= ref)
{
temp_t *t = q->first;
q->num--;
q->sum -= t->temp;
q->sumpow -= t->pow;
q->first = t->next;
if (req)
addtemp (req, t->updated, t->temp, t->pow);
free (t);
if (!q->first)
q->last = NULL;
}
}
void
doauto (double *stempp, char *f_ratep, int *modep, //
int pow, int cmpfreq, int mompow, time_t updated, double atemp, double target)
{ // Temp control. stemp/f_rate/mode are inputs and outputs
// Get values
double stemp = *stempp;
char f_rate = *f_ratep;
int mode = *modep;
// state
static double lastatemp = 0; // Last atemp
static double lasttarget = -999; // Last values to spot changes
static int lastmode = 0; //
static char lastf_rate = 0; //
static double offset = 0; // Offset from target to set
static time_t reset = 0; // Change caused reset - this is when to start collecting data again
static time_t nextsample = 0; // Make data collection reasonably regular
static double *t = NULL; // Samples for averaging data
static int sample = 0;
if (!t)
t = malloc (sizeof (*t) * maxsamples); // Averaging data
int s;
double atempdelta = atemp - lastatemp; // Rate of change
lastatemp = atemp;
int overshootcheck (void)
{ // react to going to overshoot
if ((mode == 4 && (atemp >= target + ripple || atemp + atempdelta > target + ripple) && cmpfreq > cmpfreqlow) ||
(mode == 3 && (atemp <= target - ripple || atemp + atempdelta < target - ripple) && cmpfreq > cmpfreqlow))
{ // Time to stop compressor (setting temp 0 does this)
*stempp = 0;
reset = 0; // We hit end stop, so can start collecting data now
return 1;
}
return 0; // OK
}
void resetdata (time_t lag)
{ // Reset average (set to start collecting after a lag) - used when a change happens
reset = updated + lag;
for (s = 0; s < maxsamples; s++)
t[s] = -99;
}
void resetoffset (time_t lag)
{ // Reset the offset
offset = (mode == 4 ? startheat : mode == 3 ? startcool : 0);
resetdata (lag);
}
if (lasttarget != target)
{ // Assume offset still OK
if (debug > 1 && reset < updated && lasttarget)
warnx ("Target change to %.1lf - resetting", target);
lasttarget = target;
resetdata (resetlag);
}
if (lastf_rate != f_rate)
{ // Assume offset needs resetting
if (debug > 1 && reset < updated && lastf_rate)
warnx ("Fan change to %c - resetting", f_rate);
lastf_rate = f_rate;
resetoffset (resetlag);
}
if (lastmode != mode)
{ // Assume offset needs resetting
if (debug > 1 && reset < updated && lastmode)
warnx ("Mode change to %s - resetting", modename[mode]);
lastmode = mode;
resetoffset (resetlag);
}
if (!pow)
{ // Power off - assume offset needs resetting
if (debug > 1 && reset < updated)
warnx ("Power off - resetting");
resetoffset (resetlag);
}
if (mode == 2 || mode == 6)
{
if (debug > 1 && reset < updated)
warnx ("Mode %s - not running automatic control", modename[mode]);
return;
}
// Default
if (mode != 3 && mode != 4)
{
if (atemp > target)
{
if (debug > 1)
warnx ("Taking over - changing to cool mode");
*modep = 3; // Heating and we are still too high so switch to cool
resetoffset (resetlag);
} else
{
if (debug > 1)
warnx ("Taking over - changing to heat mode");
*modep = 4; // Cooling and we are still too low so switch to head
resetoffset (resetlag);
}
overshootcheck ();
return;
}
*stempp = target + offset; // Default
if (updated < reset)
{ // Waiting for startup or major change - reset data
if (debug > 1)
warnx ("Waiting to settle (%ds) %.1lf", (int) (reset - updated), atemp);
overshootcheck ();
return;
}
if (updated < nextsample)
{ // Waiting for next sample at sensible time
overshootcheck ();
return;
}
if (nextsample < updated - mqttperiod)
nextsample = updated;
nextsample += mqttperiod;
t[sample++] = atemp;
if (sample >= maxsamples)
sample = 0;
double min = 0,
max = 0,
ave = 0;
int count = 0;
for (s = 0; s < maxsamples; s++)
{
if (t[s] == -99)
continue;
if (!count || t[s] < min)
min = t[s];
if (!count || t[s] > max)
max = t[s];
ave += t[s];
count++;
}
if (count < minsamples)
{
if (debug > 1)
warnx ("Collecting samples (%d/%d) %.1lf", count, minsamples, atemp);
overshootcheck ();
return;
}
ave /= count; // Use mean for drift logic
if (overshootcheck ())
return; // We have set a rate to try and stop the compressor
// Adjust offset
if (min > target || max < target)
{ // Step change
double step = target - (min > target ? min : max);
offset += step;
if (debug > 1)
warnx ("Step change by %+.1lf (min %.1lf target %.1lf max %.1lf) offset now %.1lf", step, min, target, max, offset);
resetdata (resetlag / 3);
} else if (ave < target - ripple)
offset += driftrate;
else if (ave > target + ripple)
offset -= driftrate;
else
offset *= driftback;
// Check if we need to change mode
if (mode == 4 && offset <= -maxrheat)
{
if (f_rate == 'A')
{
if (debug > 1)
warnx ("Changing to fan mode Night");
f_rate = 'B';
resetoffset (resetlag);
} else
{
if (debug > 1)
warnx ("Changing to cool mode");
mode = 3; // Heating and we are still too high so switch to cool
resetoffset (resetlag);
}
} else if (mode == 3 && offset >= maxrcool)
{
if (f_rate == 'A')
{
if (debug > 1)
warnx ("Changing to fan mode Night");
f_rate = 'B';
resetoffset (resetlag);
} else
{
if (debug > 1)
warnx ("Changing to heat mode");
mode = 4; // Cooling and we are still too low so switch to head
resetoffset (resetlag);
}
}
// Limit offset
if (mode == 4 && offset > maxfheat)
{
offset = maxfheat;
if (f_rate == 'B')
{
if (debug > 1)
warnx ("Changing to fan mode Auto");
f_rate = 'A'; // Give up on night mode
resetoffset (resetlag);
}
} else if (mode == 4 && offset < -maxrheat)
offset = -maxrheat;
else if (mode == 3 && offset < -maxfcool)
{
offset = -maxfcool;
if (f_rate == 'B')
{
if (debug > 1)
warnx ("Changing to fan mode Auto");
f_rate = 'A'; // Give up on night mode
resetoffset (resetlag);
}
} else if (mode == 3 && offset > maxrcool)
offset = maxrcool;
// Apply new temp
stemp = target + offset; // Apply offset
if (debug > 1)
warnx ("Temp %.1lf Mode %s F_rate %c Target %.1lf Offset %+.2lf Ave %.2lf(%d) Min %.1lf Max %.1lf", atemp,
modename[mode], f_rate, target, offset, ave, count, min, max);
// Write back
*stempp = stemp;
*f_ratep = f_rate;
*modep = mode;
}
#endif
int
main (int argc, const char *argv[])
{
#define c(x,t,v) char *set##x=NULL; // Args
controlfields;
#undef c
// AC constants
#ifdef SQLLIB
const char *db = NULL;
const char *table = "daikin";
const char *svgdate = NULL;
int maxcmpfreq = 100;
int co2l = 400; // Base CO2
int co2scale = 2;
int rhscale = 10;
int svgl = 2; // Low C
int svgt = 32; // High C
int svgc = 25; // Per C spacing height
int svgh = 60; // Per hour spacing width
int svgwidth = 24 * svgh;
int svgheight = (svgt - svgl) * svgc;
#ifdef LIBSNMP
const char *atempoid = "iso.3.6.1.4.1.42814.14.3.5.1.0"; // The nono temp sensors default
const char *atempcommunity = "public";
const char *atemphost = NULL;
#endif
#endif
int info = 0,
modeoff = 0,
modeon = 0,
modeauto = 0,
modeheat = 0,
modecool = 0,
modedry = 0,
modefan = 0,
dolock = 0;
int retries = 5;
poptContext optCon; // context for parsing command-line options
{ // POPT
const struct poptOption optionsTable[] = {
#define c(x,t,v) {#x, 0, POPT_ARG_STRING, &set##x, 0, #t, #v},
controlfields
#undef c
// *INDENT-OFF*
{ "on", 0, POPT_ARG_NONE, &modeon, 0, "On"},
{ "off", 0, POPT_ARG_NONE, &modeoff, 0, "Off"},
{ "auto", 'A', POPT_ARG_NONE, &modeauto, 0, "Auto"},
{ "heat", 'H', POPT_ARG_NONE, &modeheat, 0, "Heat"},
{ "cool", 'C', POPT_ARG_NONE, &modecool, 0, "Cool"},
{ "dry", 'D', POPT_ARG_NONE, &modedry, 0, "Dry"},
{ "fan", 'F', POPT_ARG_NONE, &modefan, 0, "Fan"},
{ "info", 'i', POPT_ARG_NONE, &info, 0, "Show info"},
#ifdef SQLLIB
{ "log", 'l', POPT_ARG_STRING, &db, 0, "Log", "database"},
{ "table", 0, POPT_ARG_STRING | POPT_ARGFLAG_SHOW_DEFAULT, &table, 0, "Table", "table"},
{ "svg", 0, POPT_ARG_STRING, &svgdate, 0, "Make SVG", "YYYY-MM-DD"},
{ "sql-debug", 0, POPT_ARG_NONE, &sqldebug, 0, "Debug"},
#endif
#ifdef LIBMQTT
{ "mqtt-host", 'h', POPT_ARG_STRING, &mqtthost, 0, "MQTT host", "hostname"},
{ "mqtt-id", 0, POPT_ARG_STRING, &mqttid, 0, "MQTT id", "id"},
{ "mqtt-user", 0, POPT_ARG_STRING, &mqttuser, 0, "MQTT user", "username"},
{ "mqtt-pass", 0, POPT_ARG_STRING, &mqttpass, 0, "MQTT pass", "password"},
{ "mqtt-topic", 't', POPT_ARG_STRING | POPT_ARGFLAG_SHOW_DEFAULT, &mqtttopic, 0, "MQTT topic", "topic"},
{ "mqtt-cmnd", 0, POPT_ARG_STRING | POPT_ARGFLAG_SHOW_DEFAULT, &mqttcmnd, 0, "MQTT cmnd prefix", "prefix"},
{ "mqtt-tele", 0, POPT_ARG_STRING | POPT_ARGFLAG_SHOW_DEFAULT, &mqtttele, 0, "MQTT tele prefix", "prefix"},
{ "mqtt-period", 0, POPT_ARG_INT | POPT_ARGFLAG_SHOW_DEFAULT, &mqttperiod, 0, "MQTT reporting interval", "seconds"},
{ "mqtt-max-delay", 0, POPT_ARG_INT | POPT_ARGFLAG_SHOW_DEFAULT, &mqttmaxdelay, 0, "MQTT reporting max delay", "seconds"},
{ "mqtt-debug", 0, POPT_ARG_NONE, &mqttdebug, 0, "Debug"},
{ "mqtt-atemp", 0, POPT_ARG_STRING , &mqttatemp, 0, "MQTT topic to subscribe for setting atemp", "topic"},
{ "mqtt-otemp", 0, POPT_ARG_STRING , &mqttotemp, 0, "MQTT topic to subscribe for setting otemp", "topic"},
{ "mqtt-rh", 0, POPT_ARG_STRING , &mqttrh, 0, "MQTT topic to subscribe for setting rh", "topic"},
{ "mqtt-co2", 0, POPT_ARG_STRING , &mqttco2, 0, "MQTT topic to subscribe for setting co2", "topic"},
{ "max-samples", 0, POPT_ARG_INT | POPT_ARGFLAG_SHOW_DEFAULT, &maxsamples, 0, "Max samples used for averaging", "N"},
{ "min-samples", 0, POPT_ARG_INT | POPT_ARGFLAG_SHOW_DEFAULT, &minsamples, 0, "Min samples used for averaging", "N"},
{ "lock", 0, POPT_ARG_NONE, &dolock, 0, "Lock operation"},
#endif
#ifdef LIBSNMP
{ "atemp-oid", 0, POPT_ARG_STRING | POPT_ARGFLAG_SHOW_DEFAULT, &atempoid, 0, "SNMP temperature OID","OID"},
{ "atemp-community", 0, POPT_ARG_STRING | POPT_ARGFLAG_SHOW_DEFAULT, &atempcommunity, 0, "SNMP temperature community","community"},
{ "atemp-host", 0, POPT_ARG_STRING , &atemphost, 0, "SNMP temperature Hostname","Host/IP"},
#endif
{ "curl-debug", 0, POPT_ARG_NONE, &curldebug, 0, "Debug"},
{ "curl-retries", 0, POPT_ARG_INT| POPT_ARGFLAG_SHOW_DEFAULT, &retries, 0, "HTTP retries to A/C"},
{ "debug", 0, POPT_ARG_NONE, &debug, 0, "Debug"},
POPT_AUTOHELP { }
// *INDENT-ON*
};
optCon = poptGetContext (NULL, argc, argv, optionsTable, 0);
poptSetOtherOptionHelp (optCon, "[IP]");
int c;
if ((c = poptGetNextOpt (optCon)) < -1)
errx (1, "%s: %s\n", poptBadOption (optCon, POPT_BADOPTION_NOALIAS), poptStrerror (c));
if (!poptPeekArg (optCon) || modeauto + modeheat + modecool + modedry + modefan + (setmode ? 1 : 0) > 1
|| modeoff + modeon + (setpow ? 1 : 0) > 1)
{
poptPrintUsage (optCon, stderr, 0);
return -1;
}
// Set mode number
if (modeauto)
setmode = "7";
if (modeheat)
setmode = "4";
if (modecool)
setmode = "3";
if (modedry)
setmode = "2";
if (modefan)
setmode = "6";
// Power
if (modeon)
setpow = "1";
if (modeoff)
setpow = "0";
CURL *curl = curl_easy_init ();
curl_easy_setopt (curl, CURLOPT_CONNECTTIMEOUT, 10L);
curl_easy_setopt (curl, CURLOPT_TIMEOUT, 60L);
if (curldebug)
curl_easy_setopt (curl, CURLOPT_VERBOSE, 1L);
char *get (char *url)
{ // Get from URL (frees URL, malloced reply)
curl_easy_setopt (curl, CURLOPT_HTTPGET, 1L);
curl_easy_setopt (curl, CURLOPT_URL, url);
char *reply = NULL;
size_t replylen = 0;
FILE *o = open_memstream (&reply, &replylen);
curl_easy_setopt (curl, CURLOPT_WRITEDATA, o);
CURLcode result = curl_easy_perform (curl);
fclose (o);
long code = 0;
if (!result)
curl_easy_getinfo (curl, CURLINFO_RESPONSE_CODE, &code);
if ((code / 100) != 2)
{
syslog (LOG_INFO, "Failed %s", url);
if (debug)
warnx ("Fail %s", url);
if (reply)
free (reply);
free (url);
return NULL;
}
if (curldebug)
fprintf (stderr, "Request:\t%s\nReply:\t%s\n", url, reply);
free (url);
return reply;
}
#ifdef SQLLIB
SQL sql;
SQL_RES *fields = NULL;
if (db)
{ // Database fields
sql_safe_connect (&sql, NULL, NULL, NULL, db, 0, NULL, 0);
fields = sql_safe_query_store_free (&sql, sql_printf ("SELECT * FROM `%#S` WHERE false", table));
sql_fetch_row (fields);
}
#endif
#ifdef SQLLIB
if (svgdate)
{ // Make an SVG for a date from the logs
if (!db)
errx (1, "No database");
const char *ip = NULL;
while ((ip = poptGetArg (optCon)))
{
xml_t svg = xml_tree_new ("svg");
xml_element_set_namespace (svg, xml_namespace (svg, NULL, "http://www.w3.org/2000/svg"));
xml_addf (svg, "@width", "%d", svgwidth + 1);
xml_addf (svg, "@height", "%d", svgheight + maxcmpfreq + 1); // Allow for mompow and cmpfreq
// Graph data
int lastmode = 0,
lasty = 0;
double x = 0,
stempref = -1;
char lastf_rate = 0;
size_t atemplen = 0,
co2len = 0,
rhlen = 0,
htemplen = 0,
otemplen = 0,
mompowlen = 0,
cmpfreqlen = 0,
heatlen = 0,
heatblen = 0,
coollen = 0,
coolblen = 0,
dt1len = 0;
char *atempbuf = NULL,
*co2buf = NULL,
*rhbuf = NULL,
*htempbuf = NULL,
*otempbuf = NULL,
*mompowbuf = NULL,
*cmpfreqbuf = NULL,
*heatbuf = NULL,
*heatbbuf = NULL,
*coolbuf = NULL,
*coolbbuf = NULL,
*dt1buf = NULL;
char atempm = 'M',
co2m = 'M',
rhm = 'M',
htempm = 'M',
otempm = 'M',
mompowm = 'M',
cmpfreqm = 'M',
dt1m = 'M';
FILE *atemp = open_memstream (&atempbuf, &atemplen);
FILE *co2 = open_memstream (&co2buf, &co2len);
FILE *rh = open_memstream (&rhbuf, &rhlen);
FILE *htemp = open_memstream (&htempbuf, &htemplen);
FILE *otemp = open_memstream (&otempbuf, &otemplen);
FILE *mompow = open_memstream (&mompowbuf, &mompowlen);
FILE *cmpfreq = open_memstream (&cmpfreqbuf, &cmpfreqlen);
FILE *dt1 = open_memstream (&dt1buf, &dt1len);
FILE *heat = open_memstream (&heatbuf, &heatlen);
FILE *heatb = open_memstream (&heatbbuf, &heatblen);
FILE *cool = open_memstream (&coolbuf, &coollen);
FILE *coolb = open_memstream (&coolbbuf, &coolblen);
SQL_RES *res = sql_safe_query_store_free (&sql,
sql_printf ("SELECT * FROM `%#S` WHERE `Updated` LIKE '%#S%%' AND `IP`=%#s",
table, svgdate, ip));
while (sql_fetch_row (res))
{
char *v = sql_col (res, "Updated");
if (strlen (v) < 19)
continue;
x = (double) (atoi (v + 11) * 3600 + atoi (v + 14) * 60 + atoi (v + 17)) * svgh / 3600;
double d;
v = sql_col (res, "atemp");
if (v)
{
d = strtod (v, NULL);
fprintf (atemp, "%c%.2lf,%d", atempm, x, (int) (svgheight - (d - svgl) * svgc));
atempm = 'L';
}
v = sql_col (res, "co2");
if (v)
{
d = strtod (v, NULL);
fprintf (co2, "%c%.2lf,%d", co2m, x, (int) (svgheight - (d - co2l) / co2scale));
co2m = 'L';
}
v = sql_col (res, "rh");
if (v)
{
d = strtod (v, NULL);
fprintf (rh, "%c%.2lf,%d", rhm, x, (int) (svgheight - d * rhscale));
rhm = 'L';
}
v = sql_col (res, "htemp");
if (v)
{
d = strtod (v, NULL);
fprintf (htemp, "%c%.2lf,%d", htempm, x, (int) (svgheight - (d - svgl) * svgc));
htempm = 'L';
}
v = sql_col (res, "otemp");
if (v)
{
d = strtod (v, NULL);
fprintf (otemp, "%c%.2lf,%d", otempm, x, (int) (svgheight - (d - svgl) * svgc));
otempm = 'L';
}
v = sql_col (res, "mompow");
if (v)
{
d = strtod (v, NULL);
fprintf (mompow, "%c%.2lf,%d", mompowm, x, (int) (svgheight + d));
mompowm = 'L';
}
v = sql_col (res, "cmpfreq");
if (v)
{
d = strtod (v, NULL);
fprintf (cmpfreq, "%c%.2lf,%d", cmpfreqm, x, (int) (svgheight + maxcmpfreq - d));
cmpfreqm = 'L';
}
v = sql_col (res, "dt1");
if (v)
{
d = strtod (v, NULL);
fprintf (dt1, "%c%.2lf,%d", dt1m, x, (int) (svgheight - (d - svgl) * svgc));
dt1m = 'L';
}
v = sql_col (res, "stemp");
char f_rate = *sql_colz (res, "f_rate");
int pow = atoi (sql_colz (res, "pow"));
int mode = atoi (sql_colz (res, "mode"));
if (!pow)
mode = -1; // Not on
if ((lastf_rate != f_rate || mode != lastmode) && stempref >= 0)
{ // Close box
if (lastmode == 3)
fprintf (lastf_rate == 'B' ? coolb : cool, "L%.2lf,%dL%.2lf,%dL%.2lf,%dZ", x, lasty, x, 0, stempref, 0);
if (lastmode == 4)
fprintf (lastf_rate == 'B' ? heatb : heat, "L%.2lf,%dL%.2lf,%dL%.2lf,%dZ", x, lasty, x, svgheight, stempref,
svgheight);
stempref = -1;
}
if (mode == 3 || mode == 4)
{
FILE *f = (mode == 3 ? f_rate == 'B' ? coolb : cool : f_rate == 'B' ? heatb : heat);
d = strtod (v, NULL);
if (stempref >= 0)
fprintf (f, "L%.2lf,%dL", x, lasty);
else
fprintf (f, "M");
fprintf (f, "%.2lf,%d", x, lasty = (int) (svgheight - (d - svgl) * svgc));
if (stempref < 0)
stempref = x;
}
lastmode = mode;
lastf_rate = f_rate;
}
x += svgh / 60; // Assume minute stats to draw last bar
if (lastmode == 3)
fprintf (lastf_rate == 'B' ? coolb : cool, "L%.2lf,%dL%.2lf,%dL%.2lf,%dZ", x, lasty, x, 0, stempref, 0);
if (lastmode == 4)
fprintf (lastf_rate == 'B' ? heatb : heat, "L%.2lf,%dL%.2lf,%dL%.2lf,%dZ", x, lasty, x, svgheight, stempref,
svgheight);
fclose (atemp);
fclose (co2);
fclose (rh);
fclose (htemp);
fclose (otemp);
fclose (mompow);
fclose (cmpfreq);
fclose (dt1);
fclose (heat);
fclose (heatb);
fclose (cool);
fclose (coolb);
xml_addf (svg, "+path@fill=red@stroke=none@opacity=0.5@d", heatbuf);
xml_addf (svg, "+path@fill=red@stroke=none@opacity=0.25@d", heatbbuf);
xml_addf (svg, "+path@fill=blue@stroke=none@opacity=0.5@d", coolbuf);
xml_addf (svg, "+path@fill=blue@stroke=none@opacity=0.25@d", coolbbuf);
xml_addf (svg, "+path@fill=none@stroke=red@stroke-linecap=round@stroke-linejoin=round@d", atempbuf);
xml_addf (svg, "+path@fill=none@stroke=orange@stroke-linecap=round@stroke-linejoin=round@d", co2buf);
xml_addf (svg, "+path@fill=none@stroke=cyan@stroke-linecap=round@stroke-linejoin=round@d", rhbuf);
xml_addf (svg, "+path@fill=none@stroke=green@stroke-linecap=round@stroke-linejoin=round@d", htempbuf);
xml_addf (svg, "+path@fill=none@stroke=blue@stroke-linecap=round@stroke-linejoin=round@d", otempbuf);
xml_addf (svg, "+path@fill=none@stroke=black@stroke-linecap=round@stroke-linejoin=round@d", mompowbuf);
xml_addf (svg, "+path@fill=none@stroke=green@@opacity=0.5@stroke-linecap=round@stroke-linejoin=round@d", cmpfreqbuf);
xml_addf (svg, "+path@fill=none@stroke=black@stroke-dasharray=1@d", dt1buf);
{
int x,
y;
// Time
for (x = 0; x < svgwidth + 1; x += svgh)
{
xml_addf (svg, "+path@stroke=grey@fill=none@opacity=0.5@stroke-dasharray=1@stroke-width=0.5@d", "M%d 0v%d", x,
svgheight + maxcmpfreq);
xml_t t = xml_addf (svg, "+text", "%02d", (x / svgh) % 24);
xml_addf (t, "@x", "%d", x);
xml_addf (t, "@y", "%d", svgheight);
xml_add (t, "@text-anchor", "middle");
}
// Lines
for (y = svgc; y < svgheight; y += svgc)
xml_addf (svg, "+path@stroke=grey@fill=none@opacity=0.5@stroke-dasharray=1@stroke-width=0.5@d", "M0 %dh%d",
svgheight - y, svgwidth);
if (*atempbuf || *otempbuf || *htempbuf)
{ // Temp scale
for (y = svgc; y < svgheight; y += svgc)
{
xml_t t = xml_addf (svg, "+text", "%d", y / svgc + svgl);
xml_addf (t, "@opacity", "0.5");
xml_addf (t, "@fill", "red");
xml_addf (t, "@text-anchor", "end");
xml_addf (t, "@x", "%d", 20);
xml_addf (t, "@y", "%d", svgheight - y);
xml_add (t, "@alignment-baseline", "middle");
}
xml_t t = xml_add (svg, "+text", "℃");
xml_addf (t, "@opacity", "0.5");
xml_addf (t, "@fill", "red");
xml_addf (t, "@text-anchor", "end");
xml_addf (t, "@x", "%d", 20);
xml_addf (t, "@y", "%d", 12);
}
if (*co2buf)
{ // CO2 scale
for (y = svgc; y < svgheight; y += svgc)
{
xml_t t = xml_addf (svg, "+text", "%d", y * co2scale + co2l);
xml_addf (t, "@opacity", "0.5");
xml_addf (t, "@fill", "orange");
xml_addf (t, "@text-anchor", "end");
xml_addf (t, "@x", "%d", 60);
xml_addf (t, "@y", "%d", svgheight - y);
xml_add (t, "@alignment-baseline", "middle");
}
xml_t t = xml_add (svg, "+text", "CO₂");
xml_addf (t, "@opacity", "0.5");
xml_addf (t, "@fill", "orange");
xml_addf (t, "@text-anchor", "end");
xml_addf (t, "@x", "%d", 60);
xml_addf (t, "@y", "%d", 12);
}
if (*rhbuf)
{ // RH scale
for (y = svgc; y < svgheight; y += svgc)
{
xml_t t = xml_addf (svg, "+text", "%d", y / rhscale);
xml_addf (t, "@opacity", "0.5");
xml_addf (t, "@fill", "cyan");
xml_addf (t, "@text-anchor", "end");
xml_addf (t, "@x", "%d", 90);
xml_addf (t, "@y", "%d", svgheight - y);
xml_add (t, "@alignment-baseline", "middle");
}
xml_t t = xml_add (svg, "+text", "RH");
xml_addf (t, "@opacity", "0.5");
xml_addf (t, "@fill", "cyan");
xml_addf (t, "@text-anchor", "end");
xml_addf (t, "@x", "%d", 90);
xml_addf (t, "@y", "%d", 12);
}
}
free (atempbuf);
free (co2buf);
free (rhbuf);
free (htempbuf);
free (otempbuf);
free (mompowbuf);
free (cmpfreqbuf);
free (dt1buf);
free (heatbuf);
free (heatbbuf);
free (coolbuf);
free (coolbbuf);
sql_free_result (res);
sql_close (&sql);
xml_write (stdout, svg);
xml_tree_delete (svg);
}
return 0;
}
#endif
#ifdef LIBSNMP
struct snmp_session session;
struct snmp_session *sess_handle;
struct snmp_pdu *pdu;
struct snmp_pdu *response;
oid id_oid[MAX_OID_LEN];
size_t id_len = MAX_OID_LEN;
if (atemphost)
{
init_snmp ("Temp Check");
snmp_sess_init (&session);
session.version = SNMP_VERSION_2c;
session.community = (unsigned char *) atempcommunity;
session.community_len = strlen ((char *) session.community);
session.peername = (char *) atemphost;
sess_handle = snmp_open (&session);
}
#endif
int changed = 0;
char *sensor = NULL;
char *control = NULL;
#ifdef LIBMQTT
int thispow = 0;
int thismompow = 0;
int thiscmpfreq = 0;
int thismode = 0;
double thisstemp = 0,
thisdt[10] = { };
char thisf_rate = 0;
time_t atempset = 0; // Time last set
time_t otempset = 0; // Time last set
time_t co2set = 0;
time_t rhset = 0;
double atemp = 0; // Last set
double otemp = 0; // Last set
double co2 = 0;
double rh = 0;
#endif
const char *ip;
#define c(x,t,v) char *x=NULL; // Current settings
controlfields;
#undef c
#if defined(SQLLIB) || defined(LIBMQTT)
typedef void found_t (char *tag, char *val);
void scan (char *reply, found_t * found)
{
char *p = reply;
while (*p)
{
char *e = p;
while (*e && *e != '=')
e++;
if (*e != '=')
break;
*e = 0;
char *c = e + 1;
while (*c && *c != ',')
c++;
char *n = c;
if (*n)
*n++ = 0;
found (p, e + 1);
*e = '=';
if (n > c)
*c = ',';
p = n;
}
}
#endif
int lock = -1;
// Get status
int getstatus (void)
{
if (dolock)
{
char *fn = NULL;
if (asprintf (&fn, "/tmp/daikinac-%s", ip) < 0)
errx (1, "malloc");
lock = open (fn, O_CREAT, 0777);
if (lock < 0)
{
warn ("Cannot make lock file %s", fn);
free (fn);
return 0; // Uh?
}
free (fn);
flock (lock, LOCK_EX);
}
// Reset
changed = 0;
#ifdef LIBMQTT
thisstemp = 0;
thisf_rate = 0;
memset (&thisdt, 0, sizeof (thisdt));
thispow = 0;
thismompow = 0;
thiscmpfreq = 0;
#endif
#ifdef LIBSNMP
if (atemphost)
{
pdu = snmp_pdu_create (SNMP_MSG_GET);
read_objid (atempoid, id_oid, &id_len);
snmp_add_null_var (pdu, id_oid, id_len);
int status = snmp_synch_response (sess_handle, pdu, &response);
if (status)
{
warnx ("SNMP error (%s): %s", atemphost, snmp_api_errstring (status));
snmp_free_pdu (pdu);
} else
{ // Got reply
struct variable_list *vars;
for (vars = response->variables; vars; vars = vars->next_variable)
{
char temp[30];
int l = snprint_value (temp, sizeof (temp), vars->name, vars->name_length, vars);
if (l > 0)
{
if (!strncmp (temp, "STRING: \"", 9))
{ // Really, this is crap!
double v = strtod (temp + 9, NULL);
if (v)
{
atemp = v;
atempset = time (0);
if (debug)
warnx ("atemp=%.1lf (SNMP)", atemp);
}
} else
warnx ("Unexpected value: %s", temp);
} else
warnx ("Bad value from SNMP");
}
snmp_free_pdu (response);
}
}
#endif
char *url;
int tries = retries;
while (tries--)
{
if (asprintf (&url, "http://%s/aircon/get_sensor_info", ip) < 0)
errx (1, "malloc");
sensor = get (url);
if (sensor)
break;
}
if (!sensor)
return 0;
tries = retries;
while (tries--)
{
if (asprintf (&url, "http://%s/aircon/get_control_info", ip) < 0)
errx (1, "malloc");
control = get (url);
if (control)
break;
}
if (!control)
return 0;
return 1; // OK