1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
* MIT License
*
* Copyright (c) 2022 Mikhail Svarichevsky
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Gathers temperature statistics in a chart form. Statistics bins are per hour / per 0.5°C.
* Saved to file every day at 00:00. Can help improve watch precision in the future.
* If you can gather statistics over few months, and then send tempchart.ini to 3@14.by - it
* will help future generations of precision quartz watches.
*/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "tempchart_face.h"
#include "watch.h"
#include "watch_private_display.h"
#include "filesystem.h"
#include "thermistor_driver.h"
struct {
uint8_t stat[24 * 70];
uint16_t num_div;
} tempchart_state;
static void tempchart_save(void) {
filesystem_write_file("tempchart.ini", (char*)&tempchart_state, sizeof(tempchart_state));
}
void tempchart_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
// These next two lines just silence the compiler warnings associated with unused parameters.
// We have no use for the settings or the watch_face_index, so we make that explicit here.
(void) settings;
(void) context_ptr;
(void) watch_face_index;
// At boot, context_ptr will be NULL indicating that we don't have anyplace to store our context.
if (filesystem_get_file_size("tempchart.ini") != sizeof(tempchart_state)) {
// No previous ini or old version of ini file - create new config file
tempchart_state.num_div = 0;
for (int i = 0; i < 24 * 70; i++)
tempchart_state.stat[i] = 0;
tempchart_save();
} else
filesystem_read_file("tempchart.ini", (char*)&tempchart_state, sizeof(tempchart_state));
}
void tempchart_face_activate(movement_settings_t *settings, void *context) {
// same as above: silence the warning, we don't need to check the settings.
(void) settings;
(void) context;
}
static void display(void) {
int sum = 0;
for (int i = 0; i < 24 * 70; i++)
sum += tempchart_state.stat[i];
char buf[24];
sprintf(buf, "TS%2d%6d", tempchart_state.num_div, sum);
watch_display_string(buf, 0);
}
bool tempchart_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
switch (event.event_type) {
case EVENT_ACTIVATE:
display();
case EVENT_TICK:
// on activate and tick, if we are animating,
break;
case EVENT_MODE_BUTTON_UP:
// when the user presses 'mode', we tell movement to move to the next watch face.
// movement will call our resign function, clear the screen, and transfer control
// to the next watch face in the list.
movement_move_to_next_face();
break;
case EVENT_LOW_ENERGY_UPDATE:
// This low energy mode update occurs once a minute, if the watch face is in the
// foreground when Movement enters low energy mode. We have the option of supporting
// this mode, but since our watch face animates once a second, the "Hello there" face
// isn't very useful in this mode. So we choose not to support it. (continued below)
break;
case EVENT_TIMEOUT:
// ... Instead, we respond to the timeout event. This event happens after a configurable
// interval on screen (1-30 minutes). The watch will give us this event as a chance to
// resign control if we want to, and in this case, we do.
// This function will return the watch to the first screen (usually a simple clock),
// and it will do it long before the watch enters low energy mode. This ensures we
// won't be on screen, and thus opts us out of getting the EVENT_LOW_ENERGY_UPDATE above.
movement_move_to_face(0);
break;
case EVENT_BACKGROUND_TASK:
// Here we measure temperature and do main frequency correction
thermistor_driver_enable();
float temperature_c = thermistor_driver_get_temperature();
thermistor_driver_disable();
watch_date_time date_time = watch_rtc_get_date_time();
int temp = round(temperature_c * 2);
if ((temp < 0) || (temp >= 70)) break;
if (tempchart_state.stat[date_time.unit.hour + temp * 24] == 255) { // We've reached the limit
tempchart_state.num_div++;
for (int i = 0; i < 24 * 70; i++)
tempchart_state.stat[i] = (tempchart_state.stat[i] + 1) >> 1; // So that we don't lose 1
}
tempchart_state.stat[date_time.unit.hour+temp*24]++;
if (date_time.unit.hour == 0 && date_time.unit.minute == 10)
tempchart_save();
break;
default:
break;
}
return true;
}
void tempchart_face_resign(movement_settings_t *settings, void *context) {
// our watch face, like most watch faces, has nothing special to do when resigning.
// watch faces that enable a peripheral or interact with a sensor may want to turn it off here.
(void) settings;
(void) context;
}
//background freq correction
bool tempchart_face_wants_background_task(movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
watch_date_time date_time = watch_rtc_get_date_time();
//Updating data every 5 minutes
return date_time.unit.minute % 5 == 0;
}
|
