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#include <stdlib.h>
#include <string.h>
#include "pulsometer_face.h"
#include "watch.h"
#define PULSOMETER_FACE_FREQUENCY_FACTOR (4ul) // refresh rate will be 2 to this power Hz (0 for 1 Hz, 2 for 4 Hz, etc.)
#define PULSOMETER_FACE_FREQUENCY (1 << PULSOMETER_FACE_FREQUENCY_FACTOR)
void pulsometer_face_setup(movement_settings_t *settings, void ** context_ptr) {
(void) settings;
if (*context_ptr == NULL) *context_ptr = malloc(sizeof(pulsometer_state_t));
}
void pulsometer_face_activate(movement_settings_t *settings, void *context) {
(void) settings;
memset(context, 0, sizeof(pulsometer_state_t));
}
bool pulsometer_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
(void) settings;
pulsometer_state_t *pulsometer_state = (pulsometer_state_t *)context;
char buf[14];
switch (event.event_type) {
case EVENT_MODE_BUTTON_UP:
movement_move_to_next_face();
break;
case EVENT_LIGHT_BUTTON_UP:
movement_illuminate_led();
break;
case EVENT_ALARM_BUTTON_DOWN:
pulsometer_state->measuring = true;
pulsometer_state->pulse = 0xFFFF;
pulsometer_state->ticks = 0;
movement_request_tick_frequency(PULSOMETER_FACE_FREQUENCY);
break;
case EVENT_ALARM_BUTTON_UP:
case EVENT_ALARM_LONG_PRESS:
pulsometer_state->measuring = false;
movement_request_tick_frequency(1);
break;
case EVENT_TICK:
if (pulsometer_state->pulse == 0 && !pulsometer_state->measuring) {
switch (pulsometer_state->ticks % 5) {
case 0:
watch_display_string(" Hold ", 2);
break;
case 1:
watch_display_string(" Alarn", 4);
break;
case 2:
watch_display_string("+ Count ", 0);
break;
case 3:
watch_display_string(" 30Beats ", 0);
break;
case 4:
watch_clear_display();
break;
}
pulsometer_state->ticks = (pulsometer_state->ticks + 1) % 5;
} else {
if (pulsometer_state->measuring && pulsometer_state->ticks) {
pulsometer_state->pulse = (int16_t)((30.0 * ((float)(60 << PULSOMETER_FACE_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 {
sprintf(buf, " %-3dbpn", pulsometer_state->pulse);
watch_display_string(buf, 0);
}
if (pulsometer_state->measuring) pulsometer_state->ticks++;
}
break;
case EVENT_TIMEOUT:
movement_move_to_face(0);
break;
default:
break;
}
return true;
}
void pulsometer_face_resign(movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
movement_request_tick_frequency(1);
}
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