92 lines
3.4 KiB
C
92 lines
3.4 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "pulsometer_face.h"
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#include "watch.h"
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#define PULSOMETER_FACE_FREQUENCY_FACTOR (4ul) // refresh rate will be 2 to this power Hz (0 for 1 Hz, 2 for 4 Hz, etc.)
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#define PULSOMETER_FACE_FREQUENCY (1 << PULSOMETER_FACE_FREQUENCY_FACTOR)
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void pulsometer_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
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(void) settings;
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(void) watch_face_index;
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if (*context_ptr == NULL) *context_ptr = malloc(sizeof(pulsometer_state_t));
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}
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void pulsometer_face_activate(movement_settings_t *settings, void *context) {
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(void) settings;
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memset(context, 0, sizeof(pulsometer_state_t));
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}
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bool pulsometer_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
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(void) settings;
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pulsometer_state_t *pulsometer_state = (pulsometer_state_t *)context;
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char buf[14];
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switch (event.event_type) {
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case EVENT_MODE_BUTTON_UP:
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movement_move_to_next_face();
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break;
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case EVENT_LIGHT_BUTTON_DOWN:
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movement_illuminate_led();
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break;
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case EVENT_ALARM_BUTTON_DOWN:
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pulsometer_state->measuring = true;
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pulsometer_state->pulse = 0xFFFF;
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pulsometer_state->ticks = 0;
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movement_request_tick_frequency(PULSOMETER_FACE_FREQUENCY);
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break;
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case EVENT_ALARM_BUTTON_UP:
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case EVENT_ALARM_LONG_PRESS:
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pulsometer_state->measuring = false;
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movement_request_tick_frequency(1);
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break;
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case EVENT_TICK:
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if (pulsometer_state->pulse == 0 && !pulsometer_state->measuring) {
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switch (pulsometer_state->ticks % 5) {
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case 0:
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watch_display_string(" Hold ", 2);
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break;
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case 1:
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watch_display_string(" Alarn", 4);
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break;
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case 2:
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watch_display_string("+ Count ", 0);
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break;
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case 3:
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watch_display_string(" 30Beats ", 0);
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break;
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case 4:
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watch_clear_display();
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break;
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}
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pulsometer_state->ticks = (pulsometer_state->ticks + 1) % 5;
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} else {
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if (pulsometer_state->measuring && pulsometer_state->ticks) {
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pulsometer_state->pulse = (int16_t)((30.0 * ((float)(60 << PULSOMETER_FACE_FREQUENCY_FACTOR) / (float)pulsometer_state->ticks)) + 0.5);
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}
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if (pulsometer_state->pulse > 240) {
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watch_display_string(" Hi", 0);
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} else if (pulsometer_state->pulse < 40) {
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watch_display_string(" Lo", 0);
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} else {
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sprintf(buf, " %-3dbpn", pulsometer_state->pulse);
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watch_display_string(buf, 0);
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}
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if (pulsometer_state->measuring) pulsometer_state->ticks++;
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}
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break;
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case EVENT_TIMEOUT:
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movement_move_to_face(0);
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break;
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default:
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break;
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}
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return true;
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}
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void pulsometer_face_resign(movement_settings_t *settings, void *context) {
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(void) settings;
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(void) context;
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movement_request_tick_frequency(1);
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}
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