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
|
#include <stdlib.h>
#include <string.h>
#include "thermistor_readout_face.h"
#include "thermistor_driver.h"
#include "watch.h"
void _thermistor_readout_face_update_display(bool in_fahrenheit) {
float temperature_c = thermistor_driver_get_temperature();
char buf[14];
if (in_fahrenheit) {
sprintf(buf, "%4.1f#F", temperature_c * 1.8 + 32.0);
} else {
sprintf(buf, "%4.1f#C", temperature_c);
}
watch_display_string(buf, 4);
}
void thermistor_readout_face_setup(movement_settings_t *settings, void ** context_ptr) {
(void) settings;
(void) context_ptr;
}
void thermistor_readout_face_activate(movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
watch_display_string("TE", 0);
thermistor_driver_enable();
}
bool thermistor_readout_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
(void) context;
watch_date_time date_time = watch_rtc_get_date_time();
switch (event.event_type) {
case EVENT_MODE_BUTTON_UP:
movement_move_to_next_face();
break;
case EVENT_LIGHT_BUTTON_DOWN:
movement_illuminate_led();
break;
case EVENT_ALARM_BUTTON_UP:
settings->bit.use_imperial_units = !settings->bit.use_imperial_units;
_thermistor_readout_face_update_display(settings->bit.use_imperial_units);
break;
case EVENT_ACTIVATE:
// force a measurement to be taken immediately.
date_time.unit.second = 0;
// fall through
case EVENT_TICK:
if (date_time.unit.second % 5 == 4) {
// Not 100% on this, but I like the idea of using the signal indicator to indicate that we're sensing data.
// In this case we turn the indicator on a second before the reading is taken, and clear it when we're done.
// In reality the measurement takes a fraction of a second, but this is just to show something is happening.
watch_set_indicator(WATCH_INDICATOR_SIGNAL);
} else if (date_time.unit.second % 5 == 0) {
_thermistor_readout_face_update_display(settings->bit.use_imperial_units);
watch_clear_indicator(WATCH_INDICATOR_SIGNAL);
}
break;
case EVENT_TIMEOUT:
movement_move_to_face(0);
break;
default:
break;
}
return true;
}
void thermistor_readout_face_resign(movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
thermistor_driver_disable();
}
|