WIP: thermistor data logger
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@ -31,6 +31,7 @@ SRCS += \
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../watch_faces/complications/pulsometer_face.c \
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../watch_faces/thermistor/thermistor_driver.c \
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../watch_faces/thermistor/thermistor_readout_face.c \
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../watch_faces/thermistor/thermistor_logging_face.c \
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../watch_faces/demos/character_set_face.c \
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# Leave this line at the bottom of the file; it has all the targets for making your project.
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@ -6,6 +6,7 @@
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#include "set_time_face.h"
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#include "pulsometer_face.h"
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#include "thermistor_readout_face.h"
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#include "thermistor_logging_face.h"
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#include "character_set_face.h"
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const watch_face_t watch_faces[] = {
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109
movement/watch_faces/thermistor/thermistor_logging_face.c
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109
movement/watch_faces/thermistor/thermistor_logging_face.c
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@ -0,0 +1,109 @@
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#include <stdlib.h>
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#include <string.h>
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#include "thermistor_logging_face.h"
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#include "thermistor_driver.h"
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#include "watch.h"
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void _thermistor_logging_face_log_data(thermistor_logger_state_t *logger_state) {
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thermistor_driver_enable();
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watch_date_time date_time = watch_rtc_get_date_time();
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size_t pos = logger_state->data_points % THERMISTOR_LOGGING_NUM_DATA_POINTS;
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logger_state->data[pos].timestamp.reg = date_time.reg;
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logger_state->data[pos].temperature_c = thermistor_driver_get_temperature();
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logger_state->data_points++;
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thermistor_driver_disable();
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}
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void _thermistor_logging_face_update_display(thermistor_logger_state_t *logger_state, bool in_fahrenheit, bool clock_mode_24h) {
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int8_t pos = (logger_state->data_points - 1 - logger_state->display_index) % THERMISTOR_LOGGING_NUM_DATA_POINTS;
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char buf[14];
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watch_clear_indicator(WATCH_INDICATOR_24H);
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watch_clear_indicator(WATCH_INDICATOR_PM);
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watch_clear_colon();
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if (pos < 0) {
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sprintf(buf, "TL%2dno dat", logger_state->display_index);
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} else if (logger_state->ts_ticks) {
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watch_date_time date_time = logger_state->data[pos].timestamp;
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watch_set_colon();
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if (clock_mode_24h) {
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watch_set_indicator(WATCH_INDICATOR_24H);
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} else {
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if (date_time.unit.hour > 11) watch_set_indicator(WATCH_INDICATOR_PM);
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date_time.unit.hour %= 12;
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if (date_time.unit.hour == 0) date_time.unit.hour = 12;
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}
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sprintf(buf, "AT%2d%2d%02d%02d", date_time.unit.day, date_time.unit.hour, date_time.unit.minute, date_time.unit.second);
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} else {
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if (in_fahrenheit) {
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sprintf(buf, "TL%2d%4.1f#F", logger_state->display_index, logger_state->data[pos].temperature_c * 1.8 + 32.0);
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} else {
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sprintf(buf, "TL%2d%4.1f#C", logger_state->display_index, logger_state->data[pos].temperature_c);
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}
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}
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watch_display_string(buf, 0);
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}
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void thermistor_logging_face_setup(movement_settings_t *settings, void ** context_ptr) {
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(void) settings;
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if (*context_ptr == NULL) *context_ptr = malloc(sizeof(thermistor_logger_state_t));
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memset(*context_ptr, 0, sizeof(thermistor_logger_state_t));
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}
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void thermistor_logging_face_activate(movement_settings_t *settings, void *context) {
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(void) settings;
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thermistor_logger_state_t *logger_state = (thermistor_logger_state_t *)context;
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logger_state->display_index = 0;
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logger_state->ts_ticks = 0;
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}
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bool thermistor_logging_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
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thermistor_logger_state_t *logger_state = (thermistor_logger_state_t *)context;
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watch_date_time date_time = watch_rtc_get_date_time();
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switch (event.event_type) {
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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_MODE_BUTTON_UP:
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movement_move_to_next_face();
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break;
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case EVENT_LIGHT_LONG_PRESS:
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// light button shows the timestamp, but if you need the light, long press it.
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movement_illuminate_led();
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break;
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case EVENT_LIGHT_BUTTON_DOWN:
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logger_state->ts_ticks = 2;
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_thermistor_logging_face_update_display(logger_state, settings->bit.use_imperial_units, settings->bit.clock_mode_24h);
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break;
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case EVENT_ALARM_BUTTON_DOWN:
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logger_state->display_index = (logger_state->display_index + 1) % THERMISTOR_LOGGING_NUM_DATA_POINTS;
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logger_state->ts_ticks = 0;
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// fall through
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case EVENT_ACTIVATE:
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_thermistor_logging_face_update_display(logger_state, settings->bit.use_imperial_units, settings->bit.clock_mode_24h);
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break;
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case EVENT_TICK:
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if (logger_state->ts_ticks && --logger_state->ts_ticks == 0) {
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_thermistor_logging_face_update_display(logger_state, settings->bit.use_imperial_units, settings->bit.clock_mode_24h);
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}
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// this is just temporary for testing: log a data point every 30 seconds.
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if (date_time.unit.second % 30 == 0 && !logger_state->ts_ticks) {
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_thermistor_logging_face_log_data(logger_state);
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_thermistor_logging_face_update_display(logger_state, settings->bit.use_imperial_units, settings->bit.clock_mode_24h);
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}
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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 thermistor_logging_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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34
movement/watch_faces/thermistor/thermistor_logging_face.h
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34
movement/watch_faces/thermistor/thermistor_logging_face.h
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@ -0,0 +1,34 @@
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#ifndef THERMISTOR_LOGGING_FACE_H_
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#define THERMISTOR_LOGGING_FACE_H_
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#include "movement.h"
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#include "watch.h"
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#define THERMISTOR_LOGGING_NUM_DATA_POINTS (36)
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typedef struct {
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watch_date_time timestamp;
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float temperature_c;
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} thermistor_logger_data_point_t;
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typedef struct {
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uint8_t display_index; // the index we are displaying on screen
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uint8_t ts_ticks; // when the user taps the LIGHT button, we show the timestamp for a few ticks.
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int32_t data_points; // the absolute number of data points logged
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thermistor_logger_data_point_t data[THERMISTOR_LOGGING_NUM_DATA_POINTS];
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} thermistor_logger_state_t;
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void thermistor_logging_face_setup(movement_settings_t *settings, void ** context_ptr);
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void thermistor_logging_face_activate(movement_settings_t *settings, void *context);
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bool thermistor_logging_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
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void thermistor_logging_face_resign(movement_settings_t *settings, void *context);
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static const watch_face_t thermistor_logging_face = {
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thermistor_logging_face_setup,
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thermistor_logging_face_activate,
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thermistor_logging_face_loop,
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thermistor_logging_face_resign,
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NULL
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};
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#endif // THERMISTOR_LOGGING_FACE_H_
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