diff options
Diffstat (limited to 'movement/watch_faces/complication/tempchart_face.c')
| -rw-r--r-- | movement/watch_faces/complication/tempchart_face.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/movement/watch_faces/complication/tempchart_face.c b/movement/watch_faces/complication/tempchart_face.c new file mode 100644 index 00000000..f2bb50ad --- /dev/null +++ b/movement/watch_faces/complication/tempchart_face.c @@ -0,0 +1,157 @@ +/* + * MIT License + * + * Copyright (c) 2022 Mikhail Svarichevsky + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Gathers temperature statistics in a chart form. Statistics bins are per hour / per 0.5°C. + * Saved to file every day at 00:00. Can help improve watch precision in the future. + * If you can gather statistics over few months, and then send tempchart.ini to 3@14.by - it + * will help future generations of precision quartz watches. + */ + +#include <stdlib.h> +#include <string.h> +#include <math.h> +#include "tempchart_face.h" +#include "watch.h" +#include "watch_private_display.h" +#include "filesystem.h" +#include "thermistor_driver.h" + +struct { + uint8_t stat[24 * 70]; + uint16_t num_div; +} tempchart_state; + +static void tempchart_save(void) { + filesystem_write_file("tempchart.ini", (char*)&tempchart_state, sizeof(tempchart_state)); +} + +void tempchart_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) { + // These next two lines just silence the compiler warnings associated with unused parameters. + // We have no use for the settings or the watch_face_index, so we make that explicit here. + (void) settings; + (void) context_ptr; + (void) watch_face_index; + // At boot, context_ptr will be NULL indicating that we don't have anyplace to store our context. + if (filesystem_get_file_size("tempchart.ini") != sizeof(tempchart_state)) { + // No previous ini or old version of ini file - create new config file + tempchart_state.num_div = 0; + for (int i = 0; i < 24 * 70; i++) + tempchart_state.stat[i] = 0; + tempchart_save(); + } else + filesystem_read_file("tempchart.ini", (char*)&tempchart_state, sizeof(tempchart_state)); + +} + +void tempchart_face_activate(movement_settings_t *settings, void *context) { + // same as above: silence the warning, we don't need to check the settings. + (void) settings; + (void) context; +} + +static void display(void) { + int sum = 0; + for (int i = 0; i < 24 * 70; i++) + sum += tempchart_state.stat[i]; + + char buf[24]; + sprintf(buf, "TS%2d%6d", tempchart_state.num_div, sum); + watch_display_string(buf, 0); +} + +bool tempchart_face_loop(movement_event_t event, movement_settings_t *settings, void *context) { + (void) settings; + (void) context; + + switch (event.event_type) { + case EVENT_ACTIVATE: + display(); + case EVENT_TICK: + // on activate and tick, if we are animating, + break; + case EVENT_MODE_BUTTON_UP: + // when the user presses 'mode', we tell movement to move to the next watch face. + // movement will call our resign function, clear the screen, and transfer control + // to the next watch face in the list. + movement_move_to_next_face(); + break; + case EVENT_LOW_ENERGY_UPDATE: + // This low energy mode update occurs once a minute, if the watch face is in the + // foreground when Movement enters low energy mode. We have the option of supporting + // this mode, but since our watch face animates once a second, the "Hello there" face + // isn't very useful in this mode. So we choose not to support it. (continued below) + break; + case EVENT_TIMEOUT: + // ... Instead, we respond to the timeout event. This event happens after a configurable + // interval on screen (1-30 minutes). The watch will give us this event as a chance to + // resign control if we want to, and in this case, we do. + // This function will return the watch to the first screen (usually a simple clock), + // and it will do it long before the watch enters low energy mode. This ensures we + // won't be on screen, and thus opts us out of getting the EVENT_LOW_ENERGY_UPDATE above. + movement_move_to_face(0); + break; + case EVENT_BACKGROUND_TASK: + // Here we measure temperature and do main frequency correction + thermistor_driver_enable(); + float temperature_c = thermistor_driver_get_temperature(); + thermistor_driver_disable(); + watch_date_time date_time = watch_rtc_get_date_time(); + + int temp = round(temperature_c * 2); + if ((temp < 0) || (temp >= 70)) break; + + if (tempchart_state.stat[date_time.unit.hour + temp * 24] == 255) { // We've reached the limit + tempchart_state.num_div++; + for (int i = 0; i < 24 * 70; i++) + tempchart_state.stat[i] = (tempchart_state.stat[i] + 1) >> 1; // So that we don't lose 1 + } + tempchart_state.stat[date_time.unit.hour+temp*24]++; + + if (date_time.unit.hour == 0 && date_time.unit.minute == 10) + tempchart_save(); + + break; + + default: + break; + } + + return true; +} + +void tempchart_face_resign(movement_settings_t *settings, void *context) { + // our watch face, like most watch faces, has nothing special to do when resigning. + // watch faces that enable a peripheral or interact with a sensor may want to turn it off here. + (void) settings; + (void) context; +} + +//background freq correction +bool tempchart_face_wants_background_task(movement_settings_t *settings, void *context) { + (void) settings; + (void) context; + watch_date_time date_time = watch_rtc_get_date_time(); + + //Updating data every 5 minutes + return date_time.unit.minute % 5 == 0; +} |