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-rw-r--r--movement/watch_faces/sensor/accelerometer_data_acquisition_face.c480
-rw-r--r--movement/watch_faces/sensor/accelerometer_data_acquisition_face.h111
2 files changed, 591 insertions, 0 deletions
diff --git a/movement/watch_faces/sensor/accelerometer_data_acquisition_face.c b/movement/watch_faces/sensor/accelerometer_data_acquisition_face.c
new file mode 100644
index 00000000..6ef9c6db
--- /dev/null
+++ b/movement/watch_faces/sensor/accelerometer_data_acquisition_face.c
@@ -0,0 +1,480 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2022 Joey Castillo
+ *
+ * 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.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include "accelerometer_data_acquisition_face.h"
+#include "watch_utility.h"
+#include "lis2dw.h"
+#include "spiflash.h"
+
+#define ACCELEROMETER_RANGE LIS2DW_RANGE_4_G
+#define ACCELEROMETER_LPMODE LIS2DW_LP_MODE_2
+#define ACCELEROMETER_FILTER LIS2DW_BANDWIDTH_FILTER_DIV2
+#define ACCELEROMETER_LOW_NOISE true
+#define SECONDS_TO_RECORD 15
+
+static const char activity_types[][3] = {
+ "TE", // Testing
+ "ID", // Idle
+ "OF", // Off-wrist
+ "SL", // Sleeping
+ "WH", // Washing Hands
+ "WA", // Walking
+ "WB", // Walking with Beverage
+ "JO", // Jogging
+ "RU", // Running
+ "BI", // Biking
+ "HI", // Hiking
+ "EL", // Elliptical
+ "SU", // Stairs Up
+ "SD", // Stairs Down
+ "WL", // Weight Lifting
+};
+
+static void update(accelerometer_data_acquisition_state_t *state);
+static void update_settings(accelerometer_data_acquisition_state_t *state);
+static void advance_current_setting(accelerometer_data_acquisition_state_t *state);
+static void start_reading(accelerometer_data_acquisition_state_t *state, movement_settings_t *settings);
+static void continue_reading(accelerometer_data_acquisition_state_t *state);
+static void finish_reading(accelerometer_data_acquisition_state_t *state);
+static bool wait_for_flash_ready(void);
+static int16_t get_next_available_page(void);
+static void write_buffer_to_page(uint8_t *buf, uint16_t page);
+static void write_page(accelerometer_data_acquisition_state_t *state);
+static void log_data_point(accelerometer_data_acquisition_state_t *state, lis2dw_reading_t reading, uint8_t centiseconds);
+
+void accelerometer_data_acquisition_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
+ (void) settings;
+ (void) watch_face_index;
+ accelerometer_data_acquisition_state_t *state = (accelerometer_data_acquisition_state_t *)*context_ptr;
+ if (*context_ptr == NULL) {
+ *context_ptr = malloc(sizeof(accelerometer_data_acquisition_state_t));
+ memset(*context_ptr, 0, sizeof(accelerometer_data_acquisition_state_t));
+ state = (accelerometer_data_acquisition_state_t *)*context_ptr;
+ state->beep_with_countdown = true;
+ state->countdown_length = 3;
+ }
+ spi_flash_init();
+ wait_for_flash_ready();
+ uint8_t buf[256] = {0xFF};
+ spi_flash_read_data(0, buf, 256);
+ if (buf[0] & 0xF0) {
+ // mark first four pages as used
+ buf[0] = 0x0F;
+ wait_for_flash_ready();
+ watch_set_pin_level(A3, false);
+ spi_flash_command(CMD_ENABLE_WRITE);
+ wait_for_flash_ready();
+ spi_flash_write_data(0, buf, 256);
+ }
+
+}
+
+void accelerometer_data_acquisition_face_activate(movement_settings_t *settings, void *context) {
+ (void) settings;
+ accelerometer_data_acquisition_state_t *state = (accelerometer_data_acquisition_state_t *)context;
+ state->next_available_page = get_next_available_page();
+}
+
+bool accelerometer_data_acquisition_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
+ (void) settings;
+ accelerometer_data_acquisition_state_t *state = (accelerometer_data_acquisition_state_t *)context;
+
+ switch (event.event_type) {
+ case EVENT_ACTIVATE:
+ case EVENT_TICK:
+ switch (state->mode) {
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE:
+ update(state);
+ if (state->repeat_ticks > 0) {
+ state->repeat_ticks--;
+ if (state->repeat_ticks == 0) {
+ state->countdown_ticks = state->countdown_length;
+ state->mode = ACCELEROMETER_DATA_ACQUISITION_MODE_COUNTDOWN;
+ }
+ }
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_COUNTDOWN:
+ if (state->next_available_page < 0) {
+ state->countdown_ticks = 0;
+ state->repeat_ticks = 0;
+ state->mode = ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE;
+ }
+ if (state->countdown_ticks > 0) {
+ state->countdown_ticks--;
+ printf("countdown: %d\n", state->countdown_ticks);
+ if (state->countdown_ticks == 0) {
+ // at zero, begin reading
+ state->mode = ACCELEROMETER_DATA_ACQUISITION_MODE_SENSING;
+ state->reading_ticks = SECONDS_TO_RECORD + 1;
+ // also beep if the user asked for it
+ if (state->beep_with_countdown) watch_buzzer_play_note(BUZZER_NOTE_C6, 75);
+ start_reading(state, settings);
+ } else if (state->countdown_ticks < 3) {
+ // beep for last two ticks before reading
+ if (state->beep_with_countdown) watch_buzzer_play_note(BUZZER_NOTE_C5, 75);
+ }
+ }
+ update(state);
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_SENSING:
+ if (state->reading_ticks > 0) {
+ state->reading_ticks--;
+ if (state->reading_ticks > 0) {
+ continue_reading(state);
+ } else {
+ finish_reading(state);
+ state->mode = ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE;
+ watch_buzzer_play_note(BUZZER_NOTE_C4, 125);
+ watch_buzzer_play_note(BUZZER_NOTE_REST, 50);
+ watch_buzzer_play_note(BUZZER_NOTE_C4, 125);
+ }
+ }
+ update(state);
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_SETTINGS:
+ update_settings(state);
+ break;
+ }
+ break;
+ case EVENT_MODE_BUTTON_UP:
+ movement_move_to_next_face();
+ break;
+ case EVENT_LIGHT_BUTTON_UP:
+ switch (state->mode) {
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE:
+ state->activity_type_index = (state->activity_type_index + 1) % (sizeof(activity_types) / sizeof(activity_types[0]));
+ update(state);
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_SETTINGS:
+ state->settings_page++;
+ if (state->settings_page > ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_REPEAT) {
+ state->settings_page = 0;
+ state->mode = ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE;
+ update(state);
+ } else {
+ update_settings(state);
+ }
+ break;
+ default:
+ break;
+ }
+ break;
+ case EVENT_LIGHT_LONG_PRESS:
+ movement_illuminate_led();
+ break;
+ case EVENT_ALARM_BUTTON_UP:
+ printf("Alarm up! Mode is %d\n", state->mode);
+ switch (state->mode) {
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE:
+ state->countdown_ticks = state->countdown_length;
+ printf("Setting countdown ticks to %d\n", state->countdown_ticks);
+ state->mode = ACCELEROMETER_DATA_ACQUISITION_MODE_COUNTDOWN;
+ printf("and mode to %d\n", state->mode);
+ update(state);
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_COUNTDOWN:
+ // cancel countdown
+ state->countdown_ticks = 0;
+ state->mode = ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE;
+ update(state);
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_SETTINGS:
+ advance_current_setting(state);
+ update_settings(state);
+ break;
+ default:
+ break;
+ }
+ break;
+ case EVENT_ALARM_LONG_PRESS:
+ printf("Alarm long\n");
+ if (state->mode == ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE) {
+ state->repeat_ticks = 0;
+ state->mode = ACCELEROMETER_DATA_ACQUISITION_MODE_SETTINGS;
+ update_settings(state);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return true;
+}
+
+void accelerometer_data_acquisition_face_resign(movement_settings_t *settings, void *context) {
+ (void) settings;
+ accelerometer_data_acquisition_state_t *state = (accelerometer_data_acquisition_state_t *)context;
+ if (state->reading_ticks) {
+ state->reading_ticks = 0;
+ finish_reading(state);
+ }
+ state->mode = ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE;
+ state->settings_page = 0;
+ state->countdown_ticks = 0;
+ state->repeat_ticks = 0;
+ state->reading_ticks = 0;
+}
+
+static void update(accelerometer_data_acquisition_state_t *state) {
+ char buf[14];
+ uint8_t ticks = 0;
+ switch (state->mode) {
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE:
+ ticks = state->countdown_length;
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_COUNTDOWN:
+ ticks = state->countdown_ticks;
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_MODE_SENSING:
+ ticks = state->reading_ticks;
+ break;
+ default:
+ ticks = 0;
+ break;
+ }
+ sprintf(buf, "%s%2dre%2d#o",
+ activity_types[state->activity_type_index],
+ ticks,
+ (8192 - state->next_available_page) / 82);
+ watch_display_string(buf, 0);
+
+ watch_set_colon();
+
+ // special case: display full if full, <1% if nearly full
+ if (state->next_available_page < 0) watch_display_string(" FUL", 6);
+ else if (state->next_available_page > 8110) watch_display_string("<1", 6);
+
+ // Bell if beep enabled
+ if (state->beep_with_countdown) watch_set_indicator(WATCH_INDICATOR_BELL);
+ else watch_clear_indicator(WATCH_INDICATOR_BELL);
+
+ // Signal if sensing
+ if (state->reading_ticks) watch_set_indicator(WATCH_INDICATOR_SIGNAL);
+ else watch_clear_indicator(WATCH_INDICATOR_SIGNAL);
+
+ // LAP if repeating
+ if (state->repeat_ticks) watch_set_indicator(WATCH_INDICATOR_LAP);
+ else watch_clear_indicator(WATCH_INDICATOR_LAP);
+
+}
+
+static void update_settings(accelerometer_data_acquisition_state_t *state) {
+ char buf[12];
+ watch_clear_colon();
+ if (state->beep_with_countdown) watch_set_indicator(WATCH_INDICATOR_BELL);
+ else watch_clear_indicator(WATCH_INDICATOR_BELL);
+ switch (state->settings_page) {
+ case ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_SOUND:
+ sprintf(buf, "SO Beep %c", state->beep_with_countdown ? 'Y' : 'N');
+ watch_display_string(buf, 0);
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_DELAY:
+ sprintf(buf, "DL %2d SeC", state->countdown_length);
+ watch_display_string(buf, 0);
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_REPEAT:
+ if (state->repeat_interval == 0) {
+ watch_display_string("rE none ", 0);
+ } else {
+ sprintf(buf, "rE %2dn&in", state->repeat_interval / 60);
+ watch_display_string(buf, 0);
+ }
+ break;
+ }
+}
+
+static void advance_current_setting(accelerometer_data_acquisition_state_t *state) {
+ switch (state->settings_page) {
+ case ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_SOUND:
+ state->beep_with_countdown = !state->beep_with_countdown;
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_DELAY:
+ // this is so lazy, i'm sorry
+ if (state->countdown_length == 1) state->countdown_length = 3;
+ else if (state->countdown_length == 3) state->countdown_length = 10;
+ else if (state->countdown_length == 10) state->countdown_length = 30;
+ else state->countdown_length = 1;
+ break;
+ case ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_REPEAT:
+ if (state->repeat_interval == 0) state->repeat_interval = 60;
+ else if (state->repeat_interval == 60) state->repeat_interval = 600;
+ else if (state->repeat_interval == 600) state->repeat_interval = 1800;
+ else if (state->repeat_interval == 1800) state->repeat_interval = 3600;
+ else state->repeat_interval = 0;
+ break;
+ }
+}
+
+static int16_t get_next_available_page(void) {
+ uint8_t buf[256] = {0};
+
+ uint16_t page = 0;
+ for(int16_t i = 0; i < 4; i++) {
+ wait_for_flash_ready();
+ spi_flash_read_data(i * 256, buf, 256);
+ for(int16_t j = 0; j < 256; j++) {
+ if(buf[j] == 0) {
+ page += 8;
+ } else {
+ page += __builtin_clz(((uint32_t)buf[j]) << 24);
+ break;
+ }
+ }
+ }
+
+ if (page >= 8192) return -1;
+
+ return page;
+}
+
+static void write_buffer_to_page(uint8_t *buf, uint16_t page) {
+ uint32_t address = 256 * page;
+
+ wait_for_flash_ready();
+ watch_set_pin_level(A3, false);
+ spi_flash_command(CMD_ENABLE_WRITE);
+ wait_for_flash_ready();
+ watch_set_pin_level(A3, false);
+ spi_flash_write_data(address, buf, 256);
+ wait_for_flash_ready();
+
+ uint8_t buf2[256];
+ watch_set_pin_level(A3, false);
+ spi_flash_read_data(address, buf2, 256);
+ wait_for_flash_ready();
+
+ uint8_t used_pages[256] = {0xFF};
+ uint16_t address_to_mark_used = page / 8;
+ uint8_t header_page = address_to_mark_used / 256;
+ uint8_t used_byte = 0x7F >> (page % 8);
+ uint8_t offset_in_buf = address_to_mark_used % 256;
+
+ printf("\twrite 256 bytes to address %ld, page %d.\n", address, page);
+ for(int i = 0; i < 256; i++) {
+ if (buf[i] != buf2[i]) {
+ printf("\tData mismatch detected at offset %d: %d != %d.\n", i, buf[i], buf2[i]);
+ }
+ }
+
+ watch_set_pin_level(A3, false);
+ spi_flash_read_data(header_page * 256, used_pages, 256);
+ used_pages[offset_in_buf] = used_byte;
+ watch_set_pin_level(A3, false);
+ spi_flash_command(CMD_ENABLE_WRITE);
+ wait_for_flash_ready();
+ watch_set_pin_level(A3, false);
+ spi_flash_write_data(header_page * 256, used_pages, 256);
+ wait_for_flash_ready();
+}
+
+static bool wait_for_flash_ready(void) {
+ watch_set_pin_level(A3, false);
+ bool ok = true;
+ uint8_t read_status_response[1] = {0x00};
+ do {
+ ok = spi_flash_read_command(CMD_READ_STATUS, read_status_response, 1);
+ } while ((read_status_response[0] & 0x3) != 0);
+ delay_ms(1); // why do i need this?
+ watch_set_pin_level(A3, true);
+ return ok;
+}
+
+static void write_page(accelerometer_data_acquisition_state_t *state) {
+ if (state->next_available_page > 0) {
+ write_buffer_to_page((uint8_t *)(state->records), state->next_available_page);
+ wait_for_flash_ready();
+ state->next_available_page++;
+ }
+ state->pos = 0;
+ memset(state->records, 0xFF, sizeof(state->records));
+}
+
+static void log_data_point(accelerometer_data_acquisition_state_t *state, lis2dw_reading_t reading, uint8_t centiseconds) {
+ accelerometer_data_acquisition_record_t record;
+ record.data.x.record_type = ACCELEROMETER_DATA_ACQUISITION_DATA;
+ record.data.y.lpmode = ACCELEROMETER_LPMODE;
+ record.data.z.filter = ACCELEROMETER_FILTER;
+ record.data.x.accel = (reading.x >> 2) + 8192;
+ record.data.y.accel = (reading.y >> 2) + 8192;
+ record.data.z.accel = (reading.z >> 2) + 8192;
+ record.data.counter = 100 * (SECONDS_TO_RECORD - state->reading_ticks + 1) + centiseconds;
+ printf("logged data point for %d\n", record.data.counter);
+ state->records[state->pos++] = record;
+ if (state->pos >= 32) {
+ write_page(state);
+ }
+}
+
+static void start_reading(accelerometer_data_acquisition_state_t *state, movement_settings_t *settings) {
+ printf("Start reading\n");
+ watch_enable_i2c();
+ lis2dw_begin();
+ lis2dw_set_data_rate(LIS2DW_DATA_RATE_25_HZ);
+ lis2dw_set_range(ACCELEROMETER_RANGE);
+ lis2dw_set_low_power_mode(ACCELEROMETER_LPMODE);
+ lis2dw_set_bandwidth_filtering(ACCELEROMETER_FILTER);
+ if (ACCELEROMETER_LOW_NOISE) lis2dw_set_low_noise_mode(true);
+ lis2dw_enable_fifo();
+
+ accelerometer_data_acquisition_record_t record;
+ watch_date_time date_time = watch_rtc_get_date_time();
+ state->starting_timestamp = watch_utility_date_time_to_unix_time(date_time, movement_timezone_offsets[settings->bit.time_zone] * 60);
+ record.header.info.record_type = ACCELEROMETER_DATA_ACQUISITION_HEADER;
+ record.header.info.range = ACCELEROMETER_RANGE;
+ record.header.info.temperature = lis2dw_get_temperature();
+ record.header.char1 = activity_types[state->activity_type_index][0];
+ record.header.char2 = activity_types[state->activity_type_index][1];
+ record.header.timestamp = state->starting_timestamp;
+
+ state->records[state->pos++] = record;
+ lis2dw_fifo_t fifo;
+ lis2dw_read_fifo(&fifo); // dump the fifo, this starts a fresh round of data in continue_reading
+}
+
+static void continue_reading(accelerometer_data_acquisition_state_t *state) {
+ printf("Continue reading\n");
+ lis2dw_fifo_t fifo;
+ lis2dw_read_fifo(&fifo);
+
+ fifo.count = min(fifo.count, 25); // hacky, but we need a consistent data rate; if we got a 26th data point, chuck it.
+ uint8_t offset = 4 * (25 - fifo.count); // also hacky: we're sometimes short at the start. align to beginning of next second.
+ // TODO: use the threshold interrupt for this, will mean we get consistent 25 Hz data as the accelerometer sees it.
+
+ for(int i = 0; i < fifo.count; i++) {
+ log_data_point(state, fifo.readings[i], i * 4 + offset);
+ }
+}
+
+static void finish_reading(accelerometer_data_acquisition_state_t *state) {
+ printf("Finish reading\n");
+ if (state->pos != 0) {
+ write_page(state);
+ }
+ lis2dw_set_data_rate(LIS2DW_DATA_RATE_POWERDOWN);
+ watch_disable_i2c();
+
+ state->repeat_ticks = state->repeat_interval;
+}
diff --git a/movement/watch_faces/sensor/accelerometer_data_acquisition_face.h b/movement/watch_faces/sensor/accelerometer_data_acquisition_face.h
new file mode 100644
index 00000000..9cea8095
--- /dev/null
+++ b/movement/watch_faces/sensor/accelerometer_data_acquisition_face.h
@@ -0,0 +1,111 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2022 Joey Castillo
+ *
+ * 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.
+ */
+
+#ifndef ACCELEROMETER_DATA_ACQUISITION_FACE_H_
+#define ACCELEROMETER_DATA_ACQUISITION_FACE_H_
+
+#include "movement.h"
+
+#define ACCELEROMETER_DATA_ACQUISITION_INVALID ((uint64_t)(0b11)) // all bits are 1 when the flash is erased
+#define ACCELEROMETER_DATA_ACQUISITION_HEADER ((uint64_t)(0b10))
+#define ACCELEROMETER_DATA_ACQUISITION_DATA ((uint64_t)(0b01))
+#define ACCELEROMETER_DATA_ACQUISITION_DELETED ((uint64_t)(0b00)) // You can always write a 0 to any 1 bit
+
+typedef union {
+ struct {
+ struct {
+ uint16_t record_type : 2; // see above, helps us identify record types when reading back
+ uint16_t range : 2; // accelerometer range (see lis2dw_range_t)
+ uint16_t temperature : 12; // raw value from the temperature sensor
+ } info;
+ uint8_t char1 : 8; // First character of the activity type
+ uint8_t char2 : 8; // Second character of the activity type
+ uint32_t timestamp : 32; // UNIX timestamp for the measurement
+ } header;
+ struct {
+ struct {
+ uint16_t record_type : 2; // duplicate; this is the same field as info above
+ uint16_t accel : 14; // X acceleration value, raw, offset by 8192
+ } x;
+ struct {
+ uint16_t lpmode : 2; // low power mode (see lis2dw_low_power_mode_t)
+ uint16_t accel : 14; // Y acceleration value, raw, offset by 8192
+ } y;
+ struct {
+ uint16_t filter : 2; // bandwidth filtering selection (see lis2dw_bandwidth_filtering_mode_t)
+ uint16_t accel : 14; // Z acceleration value, raw, offset by 8192
+ } z;
+ uint32_t counter : 16; // number of centiseconds since timestamp in header
+ } data;
+ uint64_t value;
+} accelerometer_data_acquisition_record_t;
+
+typedef enum {
+ ACCELEROMETER_DATA_ACQUISITION_MODE_IDLE,
+ ACCELEROMETER_DATA_ACQUISITION_MODE_COUNTDOWN,
+ ACCELEROMETER_DATA_ACQUISITION_MODE_SENSING,
+ ACCELEROMETER_DATA_ACQUISITION_MODE_SETTINGS,
+} accelerometer_data_acquisition_mode_t;
+
+typedef enum {
+ ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_SOUND,
+ ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_DELAY,
+ ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_REPEAT,
+ // ACCELEROMETER_DATA_ACQUISITION_SETTINGS_PAGE_NAME,
+} accelerometer_data_acquisition_settings_page_t;
+
+typedef struct {
+ // mode
+ accelerometer_data_acquisition_mode_t mode;
+ accelerometer_data_acquisition_settings_page_t settings_page;
+ // current settings
+ uint8_t activity_type_index; // active activity type
+ bool beep_with_countdown; // should we beep at the countdown
+ uint8_t countdown_length; // how many seconds to count down
+ uint16_t repeat_interval; // how many seconds to wait for a repeat
+ // info about the flash chip
+ int16_t next_available_page;
+ // transient properties
+ uint8_t countdown_ticks;
+ uint8_t repeat_ticks;
+ uint8_t reading_ticks;
+ uint32_t starting_timestamp;
+ accelerometer_data_acquisition_record_t records[32];
+ uint16_t pos;
+} accelerometer_data_acquisition_state_t;
+
+void accelerometer_data_acquisition_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr);
+void accelerometer_data_acquisition_face_activate(movement_settings_t *settings, void *context);
+bool accelerometer_data_acquisition_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
+void accelerometer_data_acquisition_face_resign(movement_settings_t *settings, void *context);
+
+#define accelerometer_data_acquisition_face ((const watch_face_t){ \
+ accelerometer_data_acquisition_face_setup, \
+ accelerometer_data_acquisition_face_activate, \
+ accelerometer_data_acquisition_face_loop, \
+ accelerometer_data_acquisition_face_resign, \
+ NULL, \
+})
+
+#endif // ACCELEROMETER_DATA_ACQUISITION_FACE_H_