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pulseometer: support variable update frequency

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This commit is contained in:
Joey Castillo 2021-10-06 12:03:02 -04:00
parent 3516f4295e
commit 9d4367565b
1 changed files with 12 additions and 8 deletions
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20
launcher/widgets/complications/pulseometer_widget.c
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@ -3,6 +3,9 @@
#include "pulseometer_widget.h"
#include "watch.h"
#define PULSOMETER_WIDGET_FREQUENCY_FACTOR (4ul) // refresh rate will be 2 to this power Hz (0 for 1 Hz, 2 for 4 Hz, etc.)
#define PULSOMETER_WIDGET_FREQUENCY (1 << PULSOMETER_WIDGET_FREQUENCY_FACTOR)
void pulseometer_widget_setup(LauncherSettings *settings, void ** context_ptr) {
(void) settings;
if (*context_ptr == NULL) *context_ptr = malloc(sizeof(PulsometerState));
@ -18,8 +21,6 @@ bool pulseometer_widget_loop(LauncherEvent event, LauncherSettings *settings, vo
(void) settings;
PulsometerState *pulsometer_state = (PulsometerState *)context;
char buf[14];
// starts at index 15
const uint8_t pulse_lookup[] = {240, 225, 212, 200, 189, 180, 171, 164, 157, 150, 144, 138, 133, 129, 124, 120, 116, 113, 109, 106, 103, 100, 97, 95, 92, 90, 88, 86, 84, 82, 80, 78, 77, 75, 73, 72, 71, 69, 68, 67, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 55, 54, 53, 52, 51, 51, 50, 49, 49, 48, 47, 47, 46, 46, 45, 44, 44, 43, 43, 42, 42, 41, 41, 40, 40, 40};
switch (event.event_type) {
case EVENT_TICK:
if (pulsometer_state->pulse == 0 && !pulsometer_state->measuring) {
@ -40,14 +41,16 @@ bool pulseometer_widget_loop(LauncherEvent event, LauncherSettings *settings, vo
watch_clear_display();
break;
}
pulsometer_state->ticks++;
pulsometer_state->ticks = (pulsometer_state->ticks + 1) % 5;
} else {
if (pulsometer_state->ticks < 15) {
watch_display_string(" Lo", 0);
} else if (pulsometer_state->ticks > 91) {
if (pulsometer_state->measuring && pulsometer_state->ticks) {
pulsometer_state->pulse = (int16_t)((30.0 * ((float)(60 << PULSOMETER_WIDGET_FREQUENCY_FACTOR) / (float)pulsometer_state->ticks)) + 0.5);
}
if (pulsometer_state->pulse > 240) {
watch_display_string(" Hi", 0);
} else if (pulsometer_state->pulse < 40) {
watch_display_string(" Lo", 0);
} else {
if (pulsometer_state->measuring) pulsometer_state->pulse = pulse_lookup[pulsometer_state->ticks - 15];
sprintf(buf, " %-3dbpn", pulsometer_state->pulse);
watch_display_string(buf, 0);
}
@ -62,8 +65,9 @@ bool pulseometer_widget_loop(LauncherEvent event, LauncherSettings *settings, vo
break;
case EVENT_ALARM_BUTTON_DOWN:
pulsometer_state->ticks = 0;
pulsometer_state->pulse = 0xFFFF;
pulsometer_state->measuring = true;
launcher_request_tick_frequency(2);
launcher_request_tick_frequency(PULSOMETER_WIDGET_FREQUENCY);
break;
case EVENT_ALARM_BUTTON_UP:
case EVENT_ALARM_LONG_PRESS: