155 lines
5.0 KiB
C
155 lines
5.0 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2023 Mark Blyth
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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 "minmax_face.h"
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#include "thermistor_driver.h"
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#include "watch.h"
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static float _get_displayed_temperature_c(minmax_state_t *state){
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float min_temp = 1000;
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float max_temp = -1000;
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for(int i = 0; i < LOGGING_DATA_POINTS; i++){
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if(state->hourly_maxs[i] > max_temp){
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max_temp = state->hourly_maxs[i];
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}
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if(state->hourly_mins[i] < min_temp){
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min_temp = state->hourly_mins[i];
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}
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}
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if(state->show_min) return min_temp;
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return max_temp;
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}
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static void _minmax_face_log_data(minmax_state_t *logger_state) {
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thermistor_driver_enable();
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size_t pos = (size_t) watch_rtc_get_date_time().unit.hour;
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float temp_c = thermistor_driver_get_temperature();
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// If no data yet, initialise with current temperature
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if(!logger_state->have_logged){
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logger_state->have_logged = true;
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for(int i=0; i<LOGGING_DATA_POINTS; i++){
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logger_state->hourly_mins[i] = temp_c;
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logger_state->hourly_maxs[i] = temp_c;
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}
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}
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// On new hour, update lists to current temperature
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else if(watch_rtc_get_date_time().unit.minute < 2){
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logger_state->hourly_mins[pos] = temp_c;
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logger_state->hourly_maxs[pos] = temp_c;
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}
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// Log hourly highs and lows
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else if(logger_state->hourly_mins[pos] > temp_c){
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logger_state->hourly_mins[pos] = temp_c;
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}
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else if(logger_state->hourly_maxs[pos] < temp_c){
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logger_state->hourly_maxs[pos] = temp_c;
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}
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thermistor_driver_disable();
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}
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static void _minmax_face_update_display(float temperature_c, bool in_fahrenheit) {
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char buf[14];
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if (in_fahrenheit) {
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sprintf(buf, "%4.0f#F", temperature_c * 1.8 + 32.0);
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} else {
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sprintf(buf, "%4.0f#C", temperature_c);
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}
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watch_display_string(buf, 4);
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}
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void minmax_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) {
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*context_ptr = malloc(sizeof(minmax_state_t));
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memset(*context_ptr, 0, sizeof(minmax_state_t));
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}
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}
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void minmax_face_activate(movement_settings_t *settings, void *context) {
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(void) settings;
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minmax_state_t *state = (minmax_state_t *)context;
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state->show_min = true;
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watch_display_string("MN", 0); // Start with minimum temp
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}
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bool minmax_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
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minmax_state_t *state = (minmax_state_t *)context;
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float temp_c;
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switch (event.event_type) {
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case EVENT_ACTIVATE:
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temp_c = _get_displayed_temperature_c(state);
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_minmax_face_update_display(temp_c, settings->bit.use_imperial_units);
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break;
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case EVENT_LIGHT_LONG_PRESS:
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settings->bit.use_imperial_units = !settings->bit.use_imperial_units;
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temp_c = _get_displayed_temperature_c(state);
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_minmax_face_update_display(temp_c, settings->bit.use_imperial_units);
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break;
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case EVENT_ALARM_BUTTON_UP:
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state->show_min = !state->show_min;
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if(state->show_min){
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watch_display_string("MN", 0);
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} else {
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watch_display_string("MX", 0);
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}
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temp_c = _get_displayed_temperature_c(state);
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_minmax_face_update_display(temp_c, settings->bit.use_imperial_units);
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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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case EVENT_BACKGROUND_TASK:
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_minmax_face_log_data(state);
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break;
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default:
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return movement_default_loop_handler(event, settings);
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}
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return true;
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}
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void minmax_face_resign(movement_settings_t *settings, void *context) {
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(void) settings;
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(void) context;
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}
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bool minmax_face_wants_background_task(movement_settings_t *settings, void *context) {
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(void) settings;
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(void) context;
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// this will get called at the top of each minute; always request bg task
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return true;
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}
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