Zander671/rpi4b-temp-humidity
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Add stat range menu

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This commit is contained in:
Alexander Rosenberg 2024-04-02 00:20:35 -07:00
parent be0040bb2f
commit e1146fe006
Signed by: school-rpi4
GPG Key ID: 5CCFC80B0B47B04B
12 changed files with 474 additions and 128 deletions
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16
Makefile
View File

@ -6,7 +6,8 @@ CFLAGS=-g -std=c11 -Wall ${SQLITE3_CFLAGS}
LD=clang
LDFLAGS=-lgpio -lfigpar -lpthread ${SQLITE3_LDFLAGS}
SRCS=src/main.c src/util.c src/lcd.c src/ths.c src/button.c src/ui/screen.c\
src/ui/datesel.c src/ui/statsby.c src/ui/datapoints.c src/ui/timesel.c
src/ui/datesel.c src/ui/statsby.c src/ui/datapoints.c src/ui/timesel.c\
src/ui/statrange.c
PROG=rpi4b-temp-humidity
OBJS=${SRCS:C/^src/bin/:C/.c$/.o/}
@ -15,24 +16,29 @@ bin/${PROG}: ${OBJS}
bin/main.o bin/util.o bin/lcd.o bin/ths.o bin/button.o: src/util.h
bin/ui/screen.o bin/ui/statsby.o bin/ui/datesel.o: src/util.h
bin/ui/datapoints.o bin/ui/timesel.o: src/util.h
bin/ui/datapoints.o bin/ui/timesel.o bin/ui/statrange.o: src/util.h
bin/main.o bin/lcd.o bin/screen.o bin/ui/datesel.o: src/lcd.h
bin/ui/statsby.o bin/ui/timesel.o: src/lcd.h
bin/ui/statsby.o bin/ui/timesel.o bin/ui/statrange.o: src/lcd.h
bin/ui/datapoints.o: src/lcd.h
bin/main.o bin/ui/screen.o bin/ui/statsby.o: src/ui/screen.h
bin/ui/datesel.o bin/ui/datapoints.o bin/ui/timesel.o: src/ui/screen.h
bin/ui/statrange.o: src/ui/screen.h
bin/main.o bin/ui/datesel.o bin/ui/statsby.o: src/ui/datesel.h
bin/ui/datapoints.o bin/ui/timesel.o: src/ui/datesel.h
bin/ui/datapoints.o bin/ui/timesel.o bin/ui/statrange.o: src/ui/datesel.h
bin/main.o bin/ths.o bin/ui/screen.o bin/ui/statsby.o: src/ths.h
bin/ui/timesel.o: src/ths.h
bin/ui/timesel.o src/ui/statrange.o: src/ths.h
bin/main.o bin/ui/timesel.o bin/ui/datapoints.o: src/ui/timesel.h
bin/ui/statrange.o: src/ui/timesel.h
bin/main.o bin/button.o bin/ui/screen.o: src/button.h
bin/main.o bin/ui/statsby.o: src/ui/statsby.h
bin/main.o bin/ui/datapoints.o: src/ui/datapoints.h
bin/main.o bin/ui/statrange.o: src/ui/statrange.h
${OBJS}: ${.TARGET:C/^bin/src/:C/.o$/.c/}
@mkdir -p ${.TARGET:H}

2
src/main.c
View File

@ -15,6 +15,7 @@
#include "ui/screen.h"
#include "ui/statsby.h"
#include "ui/datapoints.h"
#include "ui/statrange.h"
#include <unistd.h>
#include <err.h>
@ -105,6 +106,7 @@ int main(int argc, char *const *argv) {
screen_manager_add(screen_manager, (Screen *) stats_screen_new());
screen_manager_add(screen_manager, (Screen *) stats_by_screen_new());
screen_manager_add(screen_manager, (Screen *) data_points_screen_new());
screen_manager_add(screen_manager, (Screen *) stat_range_screen_new());
while (RUNNING) {
lock_stat_globals();
uint32_t temp = LAST_TEMP;

13
src/ui/datapoints.c
View File

@ -21,8 +21,7 @@ static bool data_points_select_date(DataPointsScreen *screen,
}
if (screen->need_redraw) {
screen->need_redraw = false;
DateSelectionState dss = date_sel_dispatch(&screen->ds, state,
PERIOD_DAY, "Date:");
DateSelectionState dss = date_sel_dispatch(&screen->ds, state, "Date:");
switch (dss) {
case DATE_SEL_CONTINUE:
break; // ignore
@ -33,6 +32,8 @@ static bool data_points_select_date(DataPointsScreen *screen,
case DATE_SEL_BACK:
case DATE_SEL_ERROR:
screen->need_redraw = true;
date_sel_reset(&screen->ds);
time_sel_reset(&screen->ts);
return true;
}
}
@ -65,7 +66,7 @@ static void data_points_select_time(DataPointsScreen *screen,
}
if (screen->need_redraw) {
screen->need_redraw = false;
TimeSelState tss = time_sel_dispatch(&screen->ts, state);
TimeSelState tss = time_sel_dispatch(&screen->ts, state, "Time:");
switch (tss) {
case TIME_SEL_CONTINUE:
break; // ignore
@ -85,6 +86,8 @@ static void data_points_select_time(DataPointsScreen *screen,
static void data_points_show(DataPointsScreen *screen, SensorState *state) {
if (state->back_down) {
screen->stage = DP_STAGE_DATE;
screen->ds.stage = DATE_SEL_YEAR;
screen->ts.stage = TS_STAGE_HOUR;
screen->need_redraw = true;
return;
}
@ -158,7 +161,7 @@ DataPointsScreen *data_points_screen_new() {
(ScreenCleanupFunc) free);
s->need_redraw = true;
s->stage = DP_STAGE_DATE;
date_sel_init(&s->ds, DATE_SEL_DAY);
time_sel_init(&s->ts, &s->ds);
date_sel_init(&s->ds, PERIOD_DAY);
time_sel_init(&s->ts, &s->ds, false);
return s;
}

24
src/ui/datesel.c
View File

@ -12,10 +12,10 @@
#include <string.h>
#include <err.h>
void date_sel_init(DateSelection *ds, DateSelectionStage max_stage) {
ds->max_stage = max_stage;
void date_sel_init(DateSelection *ds, UtilPeriod limit_period) {
memset(&ds->start_time, 0, sizeof(UtilDate)); // min date
memset(&ds->end_time, 0xff, sizeof(UtilDate)); // max date
date_sel_set_period(ds, limit_period);
date_sel_reset(ds);
}
@ -24,6 +24,23 @@ void date_sel_reset(DateSelection *ds) {
ds->stage = DATE_SEL_YEAR;
}
void date_sel_set_period(DateSelection *ds, UtilPeriod limit_period) {
ds->limit_period = limit_period;
switch (limit_period) {
case PERIOD_HOUR:
case PERIOD_DAY:
case PERIOD_WEEK:
ds->max_stage = DATE_SEL_DAY;
break;
case PERIOD_MONTH:
ds->max_stage = DATE_SEL_MONTH;
break;
case PERIOD_YEAR:
ds->max_stage = DATE_SEL_YEAR;
break;
}
}
static void date_sel_clamp_time(DateSelection *ds) {
if (ds->year > ds->end_time.local_year) {
ds->year = ds->end_time.local_year;
@ -99,10 +116,9 @@ static void date_sel_add_units(DateSelection *ds, int n) {
DateSelectionState date_sel_dispatch(DateSelection *ds,
SensorState *state,
UtilPeriod limit_period,
const char *label) {
UtilDate start, end;
if (!get_database_limits(state->db, limit_period, &start, &end)) {
if (!get_database_limits(state->db, ds->limit_period, &start, &end)) {
warnx("failed to query database limits");
lcd_display_control(state->lcd, LCD_CURSOR_NO_BLINK, LCD_CURSOR_OFF,
LCD_DISPLAY_ON);

13
src/ui/datesel.h
View File

@ -25,6 +25,7 @@ typedef struct {
int day;
DateSelectionStage stage;
DateSelectionStage max_stage;
UtilPeriod limit_period;
UtilDate start_time;
UtilDate end_time;
} DateSelection;
@ -37,23 +38,27 @@ typedef enum {
} DateSelectionState;
/*
* Initialize a DateSelection. MAX_STAGE is the most specific field
* to select.
* Initialize a DateSelection. LIMIT_PERIOD is the most specific field
* to select and the period by which to select.
*/
void date_sel_init(DateSelection *ds, DateSelectionStage max_stage);
void date_sel_init(DateSelection *ds, UtilPeriod limit_period);
/*
* Reset the date on DS.
*/
void date_sel_reset(DateSelection *ds);
/*
* Set the LIMIT_PERIOD for DS.
*/
void date_sel_set_period(DateSelection *ds, UtilPeriod limit_period);
/*
* Dispatch a DateSelection by processing STATE to continue the selection.
* Return: weather the user backed out, is still working, or is done
*/
DateSelectionState date_sel_dispatch(DateSelection *ds,
SensorState *state,
UtilPeriod limit_period,
const char *label);
#endif

173
src/ui/statrange.c Normal file
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@ -0,0 +1,173 @@
/*
* statrange.c - Screen that displays stats between two times
* Copyright (C) 2024 Alexander Rosenberg
*
* 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. See the LICENSE file for more information.
*/
#include "statrange.h"
#include "../ths.h"
#include <inttypes.h>
#include <time.h>
#include <err.h>
// return true to go back
static bool stat_range_handle_date(StatRangeScreen *screen, DateSelection *ds,
SensorState *state, const char *label) {
if (state->down_down || state->up_down || state->back_down ||
state->sel_down) {
screen->need_redraw = true;
}
if (screen->need_redraw) {
screen->need_redraw = false;
DateSelectionState res = date_sel_dispatch(ds, state, label);
switch (res) {
case DATE_SEL_CONTINUE:
break; // ignore
case DATE_SEL_DONE:
++screen->stage;
screen->need_redraw = true;
break;
case DATE_SEL_BACK:
case DATE_SEL_ERROR:
screen->need_redraw = true;
return true;
}
}
return false;
}
static void stat_range_handle_time(StatRangeScreen *screen, TimeSelection *ts,
SensorState *state, const char *label) {
if (state->down_down || state->up_down || state->back_down ||
state->sel_down) {
screen->need_redraw = true;
}
if (screen->need_redraw) {
screen->need_redraw = false;
TimeSelState res = time_sel_dispatch(ts, state, label);
switch (res) {
case TIME_SEL_CONTINUE:
break; // ignore
case TIME_SEL_DONE:
++screen->stage;
screen->need_redraw = true;
break;
case TIME_SEL_BACK:
case TIME_SEL_ERROR:
screen->need_redraw = true;
--screen->stage;
break;
}
}
}
static uint64_t to_uts_timestamp(DateSelection *ds, TimeSelection *ts) {
struct tm broken_time = {
.tm_sec = ts->second,
.tm_min = ts->minute,
.tm_hour = ts->hour,
.tm_mday = ds->day,
.tm_mon = ds->month - 1,
.tm_year = ds->year - 1900,
.tm_isdst = -1,
};
time_t it = mktime(&broken_time);
if (it < 0) {
warnx("failed to convert to UTC timestamp");
return 0;
}
return it;
}
static void stat_range_show_data(StatRangeScreen *screen, SensorState *state) {
if (state->back_down) {
screen->need_redraw = true;
screen->sds.stage = DATE_SEL_YEAR;
screen->sts.stage = TS_STAGE_HOUR;
screen->eds.stage = DATE_SEL_YEAR;
screen->ets.stage = TS_STAGE_HOUR;
screen->stage = STAT_RANGE_START_DATE;
return;
}
if (screen->need_redraw) {
screen->need_redraw = false;
uint64_t start = to_uts_timestamp(&screen->sds, &screen->sts);
uint64_t end = to_uts_timestamp(&screen->eds, &screen->ets);
if (start > end) {
uint64_t t = end;
end = start;
start = t;
}
UtilAverageRange data;
if (!get_average_for_range(state->db, start, end, &data)) {
warnx("could not get average for range: %" PRIu64 "-%" PRIu64,
start, end);
--screen->stage;
return;
}
lcd_clear(state->lcd);
lcd_move_to(state->lcd, 0, 0);
char points_line[17];
snprintf(points_line, 17, "%" PRIi64 "pts:", data.npoints);
lcd_write_string(state->lcd, points_line);
lcd_move_to(state->lcd, 1, 0);
if (data.npoints) {
char data_line[17];
snprintf(data_line, 17, "%.1fF %d%%", DK_TO_F(data.temp), data.humid);
lcd_write_string(state->lcd, data_line);
} else {
lcd_write_string(state->lcd, "No data!");
}
}
}
static bool stat_range_screen_dispatch(StatRangeScreen *screen,
SensorState *state) {
if (state->force_draw) {
screen->need_redraw = true;
}
switch (screen->stage) {
case STAT_RANGE_START_DATE:
if(stat_range_handle_date(screen, &screen->sds, state, "Start Date:")) {
date_sel_reset(&screen->sds);
time_sel_reset(&screen->sts);
date_sel_reset(&screen->eds);
time_sel_reset(&screen->ets);
return true;
}
break;
case STAT_RANGE_START_TIME:
stat_range_handle_time(screen, &screen->sts, state, "Start Time:");
break;
case STAT_RANGE_END_DATE:
if (stat_range_handle_date(screen, &screen->eds, state, "End Date:")) {
--screen->stage;
}
break;
case STAT_RANGE_END_TIME:
stat_range_handle_time(screen, &screen->ets, state, "End Time:");
break;
case STAT_RANGE_SHOW:
stat_range_show_data(screen, state);
break;
}
return false;
}
StatRangeScreen *stat_range_screen_new(void) {
StatRangeScreen *s = malloc_checked(sizeof(StatRangeScreen));
screen_init(&s->parent, "Average range",
(ScreenDispatchFunc) stat_range_screen_dispatch,
(ScreenCleanupFunc) free);
s->need_redraw = true;
s->stage = STAT_RANGE_START_DATE;
date_sel_init(&s->sds, PERIOD_DAY);
time_sel_init(&s->sts, &s->sds, true);
date_sel_init(&s->eds, PERIOD_DAY);
time_sel_init(&s->ets, &s->eds, true);
return s;
}

38
src/ui/statrange.h Normal file
View File

@ -0,0 +1,38 @@
/*
* statrange.h - Screen that displays stats between two times
* Copyright (C) 2024 Alexander Rosenberg
*
* 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. See the LICENSE file for more information.
*/
#ifndef INCLUDED_STATRANGE_H
#define INCLUDED_STATRANGE_H
#include "datesel.h"
#include "timesel.h"
typedef struct {
Screen parent;
enum {
STAT_RANGE_START_DATE,
STAT_RANGE_START_TIME,
STAT_RANGE_END_DATE,
STAT_RANGE_END_TIME,
STAT_RANGE_SHOW
} stage;
bool need_redraw;
DateSelection sds;
TimeSelection sts;
DateSelection eds;
TimeSelection ets;
} StatRangeScreen;
/*
* Create a new stat range screen. The screen will display average data between
* two times.
*/
StatRangeScreen *stat_range_screen_new(void);
#endif

23
src/ui/statsby.c
View File

@ -37,19 +37,7 @@ static void stats_by_select_period(StatsByScreen *screen, SensorState *state) {
}
if (state->sel_down) {
++screen->stage;
switch (screen->period) {
case PERIOD_HOUR:
case PERIOD_DAY:
case PERIOD_WEEK:
screen->ds.max_stage = DATE_SEL_DAY;
break;
case PERIOD_MONTH:
screen->ds.max_stage = DATE_SEL_MONTH;
break;
case PERIOD_YEAR:
screen->ds.max_stage = DATE_SEL_YEAR;
break;
}
date_sel_set_period(&screen->ds, screen->period);
screen->need_redraw = true;
}
}
@ -60,8 +48,7 @@ static void stats_by_select_start(StatsByScreen *screen, SensorState *state) {
}
if (screen->need_redraw) {
screen->need_redraw = false;
DateSelectionState dss = date_sel_dispatch(&screen->ds, state,
screen->period, "Start:");
DateSelectionState dss = date_sel_dispatch(&screen->ds, state, "Start:");
switch (dss) {
case DATE_SEL_CONTINUE:
break; // ignore
@ -99,8 +86,8 @@ static void stats_by_show_stats(StatsByScreen *screen, SensorState *state) {
screen->ds.day == screen->ds.start_time.local_day) {
screen->offset_scale = screen->ds.start_time.local_hour;
}
UtilAverageRange data;
if (!get_average_for_range(state->db, screen->ds.year, screen->ds.month,
UtilAveragePeriod data;
if (!get_average_for_period(state->db, screen->ds.year, screen->ds.month,
screen->ds.day, screen->offset_scale,
screen->period, &data)) {
lcd_write_string(state->lcd, "Query failed!");
@ -190,6 +177,6 @@ StatsByScreen *stats_by_screen_new() {
s->need_redraw = true;
s->stage = STATS_BY_SELECT_PERIOD;
s->period = PERIOD_HOUR;
date_sel_init(&s->ds, DATE_SEL_DAY);
date_sel_init(&s->ds, PERIOD_DAY);
return s;
}

107
src/ui/timesel.c
View File

@ -11,11 +11,10 @@
#include <err.h>
void time_sel_init(TimeSelection *ts, DateSelection *ds) {
ts->hour = 0;
ts->minute = 0;
ts->hour_set = false;
void time_sel_init(TimeSelection *ts, DateSelection *ds, bool do_second) {
ts->ds = ds;
ts->do_second = do_second;
time_sel_reset(ts);
}
static void time_sel_clamp(TimeSelection *ts) {
@ -30,6 +29,12 @@ static void time_sel_clamp(TimeSelection *ts) {
ts->minute > ts->ds->end_time.local_minute) {
ts->minute = ts->ds->end_time.local_minute;
}
if (ts->hour == ts->ds->end_time.local_hour &&
ts->minute == ts->ds->end_time.local_minute &&
ts->second > ts->ds->end_time.local_second) {
ts->second = ts->ds->end_time.local_second;
}
} else if (ts->ds->start_time.local_year == ts->ds->year &&
ts->ds->start_time.local_month == ts->ds->month &&
ts->ds->start_time.local_day == ts->ds->day) {
@ -40,34 +45,57 @@ static void time_sel_clamp(TimeSelection *ts) {
ts->minute < ts->ds->start_time.local_minute) {
ts->minute = ts->ds->start_time.local_minute;
}
if (ts->hour == ts->ds->start_time.local_hour &&
ts->minute == ts->ds->start_time.local_minute &&
ts->second > ts->ds->start_time.local_second) {
ts->second = ts->ds->start_time.local_second;
}
}
}
}
static void time_sel_add(TimeSelection *ts, int amount) {
if (!ts->hour_set) {
ts->hour = (ts->hour + amount) % 24;
} else {
if (ts->minute + amount >= 60) {
ts->hour = (ts->hour + 1) % 24;
} else if (ts->minute + amount < 0) {
ts->hour = (ts->hour - 1) % 24;
switch (ts->stage) {
case TS_STAGE_HOUR:
ts->hour += amount;
break;
case TS_STAGE_MINUTE:
ts->minute += amount;
break;
case TS_STAGE_SECOND:
ts->second += amount;
break;
}
ts->minute = (ts->minute + amount) % 60;
if (ts->second >= 60) {
++ts->minute;
} else if (ts->second < 0) {
--ts->minute;
}
if (ts->minute >= 60) {
++ts->hour;
} else if (ts->minute < 0) {
--ts->hour;
}
ts->hour %= 24;
ts->minute %= 60;
ts->second %= 60;
if (ts->hour < 0) {
ts->hour = 24 + ts->hour;
ts->hour += 24;
}
if (ts->minute < 0) {
ts->minute = 60 + ts->minute;
ts->minute += 60;
}
if (ts->second < 0) {
ts->second += 60;
}
time_sel_clamp(ts);
}
TimeSelState time_sel_dispatch(TimeSelection *ts, SensorState *state) {
TimeSelState time_sel_dispatch(TimeSelection *ts, SensorState *state,
const char *label) {
if (state->back_down) {
if (ts->hour_set) {
ts->hour_set = false;
if (ts->stage != TS_STAGE_HOUR) {
--ts->stage;
} else {
lcd_display_control(state->lcd, LCD_CURSOR_NO_BLINK, LCD_CURSOR_OFF,
LCD_DISPLAY_ON);
@ -75,12 +103,13 @@ TimeSelState time_sel_dispatch(TimeSelection *ts, SensorState *state) {
}
}
if (state->sel_down) {
if (!ts->hour_set) {
ts->hour_set = true;
} else {
if ((ts->do_second && ts->stage == TS_STAGE_SECOND) ||
(!ts->do_second && ts->stage == TS_STAGE_MINUTE)) {
lcd_display_control(state->lcd, LCD_CURSOR_NO_BLINK, LCD_CURSOR_OFF,
LCD_DISPLAY_ON);
return TIME_SEL_DONE;
} else {
++ts->stage;
}
}
if (ts->ds) {
@ -97,18 +126,40 @@ TimeSelState time_sel_dispatch(TimeSelection *ts, SensorState *state) {
time_sel_add(ts, state->up_down - state->down_down);
lcd_clear(state->lcd);
lcd_move_to(state->lcd, 0, 0);
lcd_write_string(state->lcd, "Time:");
const char *format;
lcd_write_string(state->lcd, label);
char time_line[17];
int cursor_pos;
if (!ts->hour_set) {
if (ts->do_second) {
const char *format;
switch (ts->stage) {
case TS_STAGE_HOUR:
format = ">%02d:%02d:%02d";
cursor_pos = 0;
break;
case TS_STAGE_MINUTE:
format = "%02d:>%02d:%02d";
cursor_pos = 3;
break;
case TS_STAGE_SECOND:
format = "%02d:%02d:>%02d";
cursor_pos = 6;
break;
}
snprintf(time_line, 17, format, ts->hour, ts->minute, ts->second);
} else {
const char *format;
switch (ts->stage) {
case TS_STAGE_HOUR:
format = ">%02d:%02d";
cursor_pos = 0;
} else {
break;
default: // minute or second (which shouldn't happen)
format = "%02d:>%02d";
cursor_pos = 3;
break;
}
char time_line[17];
snprintf(time_line, 17, format, ts->hour, ts->minute);
}
lcd_move_to(state->lcd, 1, 0);
lcd_write_string(state->lcd, time_line);
lcd_move_to(state->lcd, 1, cursor_pos);
@ -116,3 +167,9 @@ TimeSelState time_sel_dispatch(TimeSelection *ts, SensorState *state) {
LCD_DISPLAY_ON);
return TIME_SEL_CONTINUE;
}
void time_sel_reset(TimeSelection *ts) {
ts->hour = 0;
ts->minute = 0;
ts->stage = TS_STAGE_HOUR;
}

18
src/ui/timesel.h
View File

@ -16,9 +16,15 @@
typedef struct {
DateSelection *ds;
enum {
TS_STAGE_HOUR,
TS_STAGE_MINUTE,
TS_STAGE_SECOND
} stage;
int hour;
bool hour_set;
int minute;
bool do_second;
int second;
} TimeSelection;
typedef enum {
@ -32,12 +38,18 @@ typedef enum {
* Initialize the TimeSelection TS. Optionally, get the year, month, and day,
* and limits from DS.
*/
void time_sel_init(TimeSelection *ts, DateSelection *ds);
void time_sel_init(TimeSelection *ts, DateSelection *ds, bool do_second);
/*
* Dispatch (process input and draw) the TimeSelection TS according to STATE.
* Return: the current state of the selection (back, continue, done).
*/
TimeSelState time_sel_dispatch(TimeSelection *ts, SensorState *state);
TimeSelState time_sel_dispatch(TimeSelection *ts, SensorState *state,
const char *label);
/*
* Reset TS back to 00:00.
*/
void time_sel_reset(TimeSelection *ts);
#endif

136
src/util.c
View File

@ -88,24 +88,28 @@ static const char *DB_LIMITS_QUERY_STR =
"strftime('%e', MinUTC, 'unixepoch') as MinUTCDay,\n"
"strftime('%H', RealMin, 'unixepoch') as MinUTCHour,\n"
"strftime('%M', RealMin, 'unixepoch') as MinUTCMin,\n"
"strftime('%S', RealMin, 'unixepoch') as MinUTCSec,\n"
"MinLocal,\n"
"strftime('%Y', MinLocal, 'unixepoch') as MinLocalYear,\n"
"strftime('%m', MinLocal, 'unixepoch') as MinLocalMonth,\n"
"strftime('%e', MinLocal, 'unixepoch') as MinLocalDay,\n"
"strftime('%H', RealMin, 'unixepoch', 'localtime') as MinLocalHour,\n"
"strftime('%M', RealMin, 'unixepoch', 'localtime') as MinLocalMin,\n"
"strftime('%S', RealMin, 'unixepoch', 'localtime') as MinLocalSec,\n"
"MaxUTC,\n"
"strftime('%Y', MaxUTC, 'unixepoch') as MaxUTCYear,\n"
"strftime('%m', MaxUTC, 'unixepoch') as MaxUTCMonth,\n"
"strftime('%e', MaxUTC, 'unixepoch') as MaxUTCDay,\n"
"strftime('%H', RealMax, 'unixepoch') as MaxUTCHour,\n"
"strftime('%M', RealMax, 'unixepoch') as MaxUTCMin,\n"
"strftime('%S', RealMax, 'unixepoch') as MaxUTCSec,\n"
"MaxLocal,\n"
"strftime('%Y', MaxLocal, 'unixepoch') as MaxLocalYear,\n"
"strftime('%m', MaxLocal, 'unixepoch') as MaxLocalMonth,\n"
"strftime('%e', MaxLocal, 'unixepoch') as MaxLocalDay,\n"
"strftime('%H', RealMax, 'unixepoch', 'localtime') as MaxLocalHour,\n"
"strftime('%M', RealMax, 'unixepoch', 'localtime') as MaxLocalMin\n"
"strftime('%M', RealMax, 'unixepoch', 'localtime') as MaxLocalMin,\n"
"strftime('%S', RealMax, 'unixepoch', 'localtime') as MaxLocalSec\n"
"FROM\n"
"(SELECT\n"
"RealMax, RealMin,\n"
@ -115,7 +119,7 @@ static const char *DB_LIMITS_QUERY_STR =
"unixepoch(RealMax, 'unixepoch', 'localtime', '+1 ' || ?1, 'start of ' || ?1, '-1 second') as MaxLocal\n"
"FROM (SELECT max(time) as RealMax, min(time) as RealMin FROM env_data));";
static sqlite3_stmt *DB_LIMITS_QUERY;
static const char *AVG_FOR_RANGE_QUERY_STR =
static const char *AVG_FOR_PERIOD_QUERY_STR =
"SELECT\n"
"strftime('%Y', stime, 'unixepoch', 'localtime') as y,\n"
"strftime('%m', stime, 'unixepoch', 'localtime') as m,\n"
@ -133,9 +137,9 @@ static const char *AVG_FOR_RANGE_QUERY_STR =
"round(avg(temp)) AS atemp,\n"
"round(avg(humid)) AS ahumid\n"
"FROM env_data\n"
"WHERE time > stime\n"
"AND time < etime);\n";
static sqlite3_stmt *AVG_FOR_RANGE_QUERY;
"WHERE time >= stime\n"
"AND time <= etime);\n";
static sqlite3_stmt *AVG_FOR_PERIOD_QUERY;
static const char *DATA_POINT_QUERY_STR =
"SELECT max(time) IS NULL, max(time), temp, humid FROM env_data WHERE time < ?1\n"
"UNION ALL\n"
@ -143,28 +147,38 @@ static const char *DATA_POINT_QUERY_STR =
"UNION ALL\n"
"SELECT false, * FROM env_data WHERE time == ?1;";
static sqlite3_stmt *DATA_POINT_QUERY;
static const char *AVG_FOR_RANGE_QUERY_STR =
"SELECT count(time), round(avg(temp)), round(avg(humid)) FROM env_data\n"
"WHERE time >= ?1 AND time <= ?2;";
static sqlite3_stmt *AVG_FOR_RANGE_QUERY;
void initialize_util_queries(sqlite3 *db) {
int status = sqlite3_prepare_v2(db, DB_LIMITS_QUERY_STR, -1,
&DB_LIMITS_QUERY, NULL);
if (status != SQLITE_OK) {
errx(1, "failed to compile limits query: %s", sqlite3_errstr(status));
}
status = sqlite3_prepare_v2(db, AVG_FOR_RANGE_QUERY_STR, -1,
&AVG_FOR_RANGE_QUERY, NULL);
status = sqlite3_prepare_v2(db, AVG_FOR_PERIOD_QUERY_STR, -1,
&AVG_FOR_PERIOD_QUERY, NULL);
if (status != SQLITE_OK) {
errx(1, "failed to compile range average query: %s", sqlite3_errstr(status));
errx(1, "failed to compile period average query: %s", sqlite3_errstr(status));
}
status = sqlite3_prepare_v2(db, DATA_POINT_QUERY_STR, -1,
&DATA_POINT_QUERY, NULL);
if (status != SQLITE_OK) {
errx(1, "failed to compile data point query: %s", sqlite3_errstr(status));
}
status = sqlite3_prepare_v2(db, AVG_FOR_RANGE_QUERY_STR, -1,
&AVG_FOR_RANGE_QUERY, NULL);
if (status != SQLITE_OK) {
errx(1, "failed to compile range average query: %s", sqlite3_errstr(status));
}
}
void cleanup_util_queries() {
sqlite3_finalize(DB_LIMITS_QUERY);
sqlite3_finalize(AVG_FOR_RANGE_QUERY);
sqlite3_finalize(AVG_FOR_PERIOD_QUERY);
sqlite3_finalize(DATA_POINT_QUERY);
sqlite3_finalize(AVG_FOR_RANGE_QUERY);
}
bool get_database_limits(sqlite3 *db, UtilPeriod period, UtilDate *start,
@ -184,26 +198,30 @@ bool get_database_limits(sqlite3 *db, UtilPeriod period, UtilDate *start,
start->utc_day = sqlite3_column_int64(DB_LIMITS_QUERY, 3);
start->utc_hour = sqlite3_column_int64(DB_LIMITS_QUERY, 4);
start->utc_minute = sqlite3_column_int64(DB_LIMITS_QUERY, 5);
start->local = sqlite3_column_int64(DB_LIMITS_QUERY, 6);
start->local_year = sqlite3_column_int64(DB_LIMITS_QUERY, 7);
start->local_month = sqlite3_column_int64(DB_LIMITS_QUERY, 8);
start->local_day = sqlite3_column_int64(DB_LIMITS_QUERY, 9);
start->local_hour = sqlite3_column_int64(DB_LIMITS_QUERY, 10);
start->local_minute = sqlite3_column_int64(DB_LIMITS_QUERY, 11);
start->utc_second = sqlite3_column_int64(DB_LIMITS_QUERY, 6);
start->local = sqlite3_column_int64(DB_LIMITS_QUERY, 7);
start->local_year = sqlite3_column_int64(DB_LIMITS_QUERY, 8);
start->local_month = sqlite3_column_int64(DB_LIMITS_QUERY, 9);
start->local_day = sqlite3_column_int64(DB_LIMITS_QUERY, 10);
start->local_hour = sqlite3_column_int64(DB_LIMITS_QUERY, 11);
start->local_minute = sqlite3_column_int64(DB_LIMITS_QUERY, 12);
start->local_second = sqlite3_column_int64(DB_LIMITS_QUERY, 13);
}
if (end) {
end->utc = sqlite3_column_int64(DB_LIMITS_QUERY, 12);
end->utc_year = sqlite3_column_int64(DB_LIMITS_QUERY, 13);
end->utc_month = sqlite3_column_int64(DB_LIMITS_QUERY, 14);
end->utc_day = sqlite3_column_int64(DB_LIMITS_QUERY, 15);
end->utc_hour = sqlite3_column_int64(DB_LIMITS_QUERY, 16);
end->utc_minute = sqlite3_column_int64(DB_LIMITS_QUERY, 17);
end->local = sqlite3_column_int64(DB_LIMITS_QUERY, 18);
end->local_year = sqlite3_column_int64(DB_LIMITS_QUERY, 19);
end->local_month = sqlite3_column_int64(DB_LIMITS_QUERY, 20);
end->local_day = sqlite3_column_int64(DB_LIMITS_QUERY, 21);
end->local_hour = sqlite3_column_int64(DB_LIMITS_QUERY, 22);
end->local_minute = sqlite3_column_int64(DB_LIMITS_QUERY, 23);
end->utc = sqlite3_column_int64(DB_LIMITS_QUERY, 14);
end->utc_year = sqlite3_column_int64(DB_LIMITS_QUERY, 15);
end->utc_month = sqlite3_column_int64(DB_LIMITS_QUERY, 16);
end->utc_day = sqlite3_column_int64(DB_LIMITS_QUERY, 17);
end->utc_hour = sqlite3_column_int64(DB_LIMITS_QUERY, 18);
end->utc_minute = sqlite3_column_int64(DB_LIMITS_QUERY, 19);
end->utc_second = sqlite3_column_int64(DB_LIMITS_QUERY, 20);
end->local = sqlite3_column_int64(DB_LIMITS_QUERY, 21);
end->local_year = sqlite3_column_int64(DB_LIMITS_QUERY, 22);
end->local_month = sqlite3_column_int64(DB_LIMITS_QUERY, 23);
end->local_day = sqlite3_column_int64(DB_LIMITS_QUERY, 24);
end->local_hour = sqlite3_column_int64(DB_LIMITS_QUERY, 25);
end->local_minute = sqlite3_column_int64(DB_LIMITS_QUERY, 26);
end->local_second = sqlite3_column_int64(DB_LIMITS_QUERY, 27);
}
} else {
success = false;
@ -212,39 +230,37 @@ bool get_database_limits(sqlite3 *db, UtilPeriod period, UtilDate *start,
return success;
}
bool get_average_for_range(sqlite3 *db, int year, int month, int day,
bool get_average_for_period(sqlite3 *db, int year, int month, int day,
int64_t count, UtilPeriod period,
UtilAverageRange *data) {
UtilAveragePeriod *data) {
bool success = true;
sqlite3_bind_int(AVG_FOR_RANGE_QUERY, 1, year);
sqlite3_bind_int(AVG_FOR_RANGE_QUERY, 2, month);
sqlite3_bind_int(AVG_FOR_RANGE_QUERY, 3, day);
sqlite3_bind_int64(AVG_FOR_RANGE_QUERY, 4, count);
sqlite3_bind_int(AVG_FOR_PERIOD_QUERY, 1, year);
sqlite3_bind_int(AVG_FOR_PERIOD_QUERY, 2, month);
sqlite3_bind_int(AVG_FOR_PERIOD_QUERY, 3, day);
sqlite3_bind_int64(AVG_FOR_PERIOD_QUERY, 4, count);
if (period == PERIOD_WEEK) {
sqlite3_bind_text(AVG_FOR_RANGE_QUERY, 5, "days", -1, SQLITE_STATIC);
sqlite3_bind_int(AVG_FOR_RANGE_QUERY, 6, 7);
sqlite3_bind_text(AVG_FOR_PERIOD_QUERY, 5, "days", -1, SQLITE_STATIC);
sqlite3_bind_int(AVG_FOR_PERIOD_QUERY, 6, 7);
} else {
sqlite3_bind_text(AVG_FOR_RANGE_QUERY, 5, PERIOD_LABELS[period], -1,
sqlite3_bind_text(AVG_FOR_PERIOD_QUERY, 5, PERIOD_LABELS[period], -1,
SQLITE_STATIC);
sqlite3_bind_int(AVG_FOR_RANGE_QUERY, 6, 1);
sqlite3_bind_int(AVG_FOR_PERIOD_QUERY, 6, 1);
}
int status = sqlite3_step(AVG_FOR_RANGE_QUERY);
if (status == SQLITE_ROW) {
if (data) {
data->year = sqlite3_column_int(AVG_FOR_RANGE_QUERY, 0);
data->month = sqlite3_column_int(AVG_FOR_RANGE_QUERY, 1);
data->day = sqlite3_column_int(AVG_FOR_RANGE_QUERY, 2);
data->hour = sqlite3_column_int(AVG_FOR_RANGE_QUERY, 3);
data->npoints = sqlite3_column_int(AVG_FOR_RANGE_QUERY, 4);
data->upper_bound = sqlite3_column_int64(AVG_FOR_RANGE_QUERY, 5);
data->lower_bound = sqlite3_column_int64(AVG_FOR_RANGE_QUERY, 6);
data->temp = sqlite3_column_int(AVG_FOR_RANGE_QUERY, 7);
data->humid = sqlite3_column_int(AVG_FOR_RANGE_QUERY, 8);
}
} else {
int status = sqlite3_step(AVG_FOR_PERIOD_QUERY);
if (status != SQLITE_ROW) {
success = false;
} else if (data) {
data->year = sqlite3_column_int(AVG_FOR_PERIOD_QUERY, 0);
data->month = sqlite3_column_int(AVG_FOR_PERIOD_QUERY, 1);
data->day = sqlite3_column_int(AVG_FOR_PERIOD_QUERY, 2);
data->hour = sqlite3_column_int(AVG_FOR_PERIOD_QUERY, 3);
data->npoints = sqlite3_column_int64(AVG_FOR_PERIOD_QUERY, 4);
data->upper_bound = sqlite3_column_int64(AVG_FOR_PERIOD_QUERY, 5);
data->lower_bound = sqlite3_column_int64(AVG_FOR_PERIOD_QUERY, 6);
data->temp = sqlite3_column_int(AVG_FOR_PERIOD_QUERY, 7);
data->humid = sqlite3_column_int(AVG_FOR_PERIOD_QUERY, 8);
}
sqlite3_reset(AVG_FOR_RANGE_QUERY);
sqlite3_reset(AVG_FOR_PERIOD_QUERY);
return success;
}
@ -299,3 +315,19 @@ bool get_data_point_info(sqlite3 *db, int64_t time, UtilDataPointInfo *info) {
return false;
}
}
bool get_average_for_range(sqlite3 *db, uint64_t start, uint64_t end,
UtilAverageRange *data) {
bool success = true;
sqlite3_bind_int64(AVG_FOR_RANGE_QUERY, 1, start);
sqlite3_bind_int64(AVG_FOR_RANGE_QUERY, 2, end);
if (sqlite3_step(AVG_FOR_RANGE_QUERY) != SQLITE_ROW) {
success = false;
} else if (data) {
data->npoints = sqlite3_column_int64(AVG_FOR_RANGE_QUERY, 0);
data->temp = sqlite3_column_int(AVG_FOR_RANGE_QUERY, 1);
data->humid = sqlite3_column_int(AVG_FOR_RANGE_QUERY, 2);
}
sqlite3_reset(AVG_FOR_RANGE_QUERY);
return success;
}

25
src/util.h
View File

@ -99,12 +99,14 @@ typedef struct {
int utc_day;
int utc_hour;
int utc_minute;
int utc_second;
int64_t local;
int local_year;
int local_month;
int local_day;
int local_hour;
int local_minute;
int local_second;
} UtilDate;
enum {
@ -120,14 +122,14 @@ extern const size_t NPERIOD;
/*
* Return the START of the first and END of the last PERIOD (ex. week) of DB.
* Also get the hour and minute limits for the first and last day.
* Also get the hour, minute, and second limits for the first and last day.
* Return: false if an error occurred, true otherwise.
*/
bool get_database_limits(sqlite3 *db, UtilPeriod period, UtilDate *start,
UtilDate *end);
typedef struct {
int npoints;
int64_t npoints;
int temp;
int humid;
int year;
@ -136,16 +138,16 @@ typedef struct {
int hour;
bool lower_bound;
bool upper_bound;
} UtilAverageRange;
} UtilAveragePeriod;
/*
* Get the average temp. and humid. between YEAR-MONTH-DAY + COUNT * PERIOD and
* YEAR-MONTH-DAY + (COUNT + 1) * PERIOD.
* Return: false if an error occurred, true otherwise.
*/
bool get_average_for_range(sqlite3 *db, int year, int month, int day,
bool get_average_for_period(sqlite3 *db, int year, int month, int day,
int64_t count, UtilPeriod period,
UtilAverageRange *data);
UtilAveragePeriod *data);
typedef struct {
int64_t time;
@ -168,4 +170,17 @@ typedef struct {
*/
bool get_data_point_info(sqlite3 *db, int64_t time, UtilDataPointInfo *info);
typedef struct {
int64_t npoints;
int temp;
int humid;
} UtilAverageRange;
/*
* Get the average DATA for the range of UTC times START to END (inclusive).
* Return: false if an error occurred, true otherwise.
*/
bool get_average_for_range(sqlite3 *db, uint64_t start, uint64_t end,
UtilAverageRange *data);
#endif