ported pulsometer_face and counter_face from movement and optimized it for the custom lcd (#67)
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metrast
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215
watch-faces/complication/pulsometer_face.c
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215
watch-faces/complication/pulsometer_face.c
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/* SPDX-License-Identifier: MIT */
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/*
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* MIT License
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*
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* Copyright © 2021-2022 Joey Castillo <joeycastillo@utexas.edu> <jose.castillo@gmail.com>
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* Copyright © 2023 Jeremy O'Brien <neutral@fastmail.com>
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* Copyright © 2024 Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com> (https://www.matheusmoreira.com/)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#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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#include "watch_common_display.h"
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#ifndef PULSOMETER_FACE_CALIBRATION_DEFAULT
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#define PULSOMETER_FACE_CALIBRATION_DEFAULT (30)
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#endif
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#ifndef PULSOMETER_FACE_CALIBRATION_INCREMENT
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#define PULSOMETER_FACE_CALIBRATION_INCREMENT (10)
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#endif
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// tick frequency will be 2 to this power Hz (0 for 1 Hz, 2 for 4 Hz, etc.)
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#ifndef PULSOMETER_FACE_FREQUENCY_FACTOR
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#define PULSOMETER_FACE_FREQUENCY_FACTOR (4ul)
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#endif
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#define PULSOMETER_FACE_FREQUENCY (1 << PULSOMETER_FACE_FREQUENCY_FACTOR)
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typedef struct {
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bool measuring;
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int16_t pulses;
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int16_t ticks;
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int8_t calibration;
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} pulsometer_state_t;
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static inline bool lcd_is_custom(void) {
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return watch_get_lcd_type() == WATCH_LCD_TYPE_CUSTOM;
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}
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static void pulsometer_display_title(pulsometer_state_t *pulsometer) {
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(void) pulsometer;
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watch_display_text_with_fallback(WATCH_POSITION_TOP, "PULSE", "PL");
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}
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static void pulsometer_display_calibration(pulsometer_state_t *pulsometer) {
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char buf[3];
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if (lcd_is_custom()) {
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snprintf(buf, sizeof(buf), "%2hhd", pulsometer->calibration);
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watch_display_text(WATCH_POSITION_SECONDS, buf);
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} else {
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snprintf(buf, sizeof(buf), "%2hhd", pulsometer->calibration);
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watch_display_text(WATCH_POSITION_TOP_RIGHT, buf);
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}
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}
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static void pulsometer_display_measurement(pulsometer_state_t *pulsometer) {
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if (lcd_is_custom()) {
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char buf[5];
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int16_t value = pulsometer->pulses;
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if (value > 9999) value = 9999;
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snprintf(buf, sizeof(buf), "%-4hd", value);
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watch_display_text(WATCH_POSITION_BOTTOM, buf);
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} else {
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char buf[7];
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snprintf(buf, sizeof(buf), "%-6hd", pulsometer->pulses);
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watch_display_text(WATCH_POSITION_BOTTOM, buf);
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}
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}
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static void pulsometer_indicate(pulsometer_state_t *pulsometer) {
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if (pulsometer->measuring) {
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watch_set_indicator(WATCH_INDICATOR_LAP);
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} else {
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watch_clear_indicator(WATCH_INDICATOR_LAP);
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}
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}
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static void pulsometer_start_measurement(pulsometer_state_t *pulsometer) {
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pulsometer->measuring = true;
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pulsometer->pulses = INT16_MAX;
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pulsometer->ticks = 0;
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pulsometer_indicate(pulsometer);
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movement_request_tick_frequency(PULSOMETER_FACE_FREQUENCY);
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}
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static void pulsometer_measure(pulsometer_state_t *pulsometer) {
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if (!pulsometer->measuring) { return; }
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pulsometer->ticks++;
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float ticks_per_minute = 60 << PULSOMETER_FACE_FREQUENCY_FACTOR;
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float pulses_while_button_held = ticks_per_minute / pulsometer->ticks;
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float calibrated_pulses = pulses_while_button_held * pulsometer->calibration;
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calibrated_pulses += 0.5f;
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pulsometer->pulses = (int16_t) calibrated_pulses;
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pulsometer_display_measurement(pulsometer);
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}
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static void pulsometer_stop_measurement(pulsometer_state_t *pulsometer) {
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movement_request_tick_frequency(1);
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pulsometer->measuring = false;
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pulsometer_display_measurement(pulsometer);
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pulsometer_indicate(pulsometer);
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}
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static void pulsometer_cycle_calibration(pulsometer_state_t *pulsometer, int8_t increment) {
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if (pulsometer->measuring) { return; }
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if (pulsometer->calibration <= 0) {
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pulsometer->calibration = 1;
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}
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int8_t last = pulsometer->calibration;
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pulsometer->calibration += increment;
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if (pulsometer->calibration > 39) {
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pulsometer->calibration = last == 39? 1 : 39;
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}
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pulsometer_display_calibration(pulsometer);
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}
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void pulsometer_face_setup(uint8_t watch_face_index, void ** context_ptr) {
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(void) watch_face_index;
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if (*context_ptr == NULL) {
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pulsometer_state_t *pulsometer = malloc(sizeof(pulsometer_state_t));
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pulsometer->calibration = PULSOMETER_FACE_CALIBRATION_DEFAULT;
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pulsometer->pulses = 0;
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pulsometer->ticks = 0;
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*context_ptr = pulsometer;
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}
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}
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void pulsometer_face_activate(void *context) {
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pulsometer_state_t *pulsometer = context;
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pulsometer->measuring = false;
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pulsometer_display_title(pulsometer);
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pulsometer_display_calibration(pulsometer);
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pulsometer_display_measurement(pulsometer);
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}
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bool pulsometer_face_loop(movement_event_t event,void *context) {
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pulsometer_state_t *pulsometer = (pulsometer_state_t *) context;
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switch (event.event_type) {
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case EVENT_ALARM_BUTTON_DOWN:
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pulsometer_start_measurement(pulsometer);
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break;
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case EVENT_ALARM_BUTTON_UP:
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case EVENT_ALARM_LONG_UP:
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pulsometer_stop_measurement(pulsometer);
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break;
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case EVENT_TICK:
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pulsometer_measure(pulsometer);
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break;
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case EVENT_LIGHT_BUTTON_UP:
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pulsometer_cycle_calibration(pulsometer, 1);
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break;
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case EVENT_LIGHT_LONG_UP:
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pulsometer_cycle_calibration(pulsometer, PULSOMETER_FACE_CALIBRATION_INCREMENT);
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break;
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case EVENT_LIGHT_BUTTON_DOWN:
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// Inhibit the LED
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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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movement_default_loop_handler(event);
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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(void *context) {
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(void) context;
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}
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