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WIP: accelerometer activity tracking

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This commit is contained in:
Joey Castillo
2025-04-20 13:47:04 -04:00
parent 4b490bed4c
commit e435969b51
9 changed files with 41 additions and 21 deletions
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20
movement.c
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@@ -78,6 +78,7 @@ void cb_tick(void);
void cb_accelerometer_event(void);
void cb_accelerometer_wake(void);
uint8_t stationary_minutes = 0;
uint8_t active_minutes = 0;
#endif
#if __EMSCRIPTEN__
@@ -155,23 +156,30 @@ static inline void _movement_disable_fast_tick_if_possible(void) {
static void _movement_handle_top_of_minute(void) {
watch_date_time_t date_time = watch_rtc_get_date_time();
static const uint8_t stationary_minutes_for_sleep = 2;
#ifdef HAS_ACCELEROMETER
if (stationary_minutes < 5) {
// if the watch has been stationary for fewer than 5 minutes, find out if it's still stationary.
if (HAL_GPIO_A4_read()) stationary_minutes++;
bool accelerometer_is_alseep = HAL_GPIO_A4_read();
if (!accelerometer_is_alseep) active_minutes++;
printf("Active minutes: %d\n", active_minutes);
if (stationary_minutes < 2) {
// if the watch has been stationary for fewer minutes than the cutoff, find out if it's still stationary.
if (accelerometer_is_alseep) stationary_minutes++;
printf("Stationary minutes: %d\n", stationary_minutes);
// does this mark five stationary minutes? and are we not already asleep?
if (stationary_minutes == 5 && movement_state.le_mode_ticks != -1) {
// should we go to sleep? and are we not already asleep?
if (stationary_minutes >= stationary_minutes_for_sleep && movement_state.le_mode_ticks != -1) {
// if so, enter low energy mode.
printf("Entering low energy mode due to inactivity.\n");
movement_request_sleep();
}
}
// log data every five minutes, and reset the active_minutes count.
if ((date_time.unit.minute % 5) == 0) {
_movement_log_data();
active_minutes = 0;
}
#endif
@@ -718,7 +726,7 @@ void app_setup(void) {
lis2dw_enable_stationary_motion_detection(); // stationary/motion detection mode keeps the data rate at 1.6 Hz even in sleep
lis2dw_set_range(LIS2DW_RANGE_2_G); // Application note AN5038 recommends 2g range
lis2dw_enable_sleep(); // allow acceleromter to sleep and wake on activity
lis2dw_configure_wakeup_threshold(8); // g threshold to wake up: (2 * FS / 64) where FS is "full scale" of ±2g.
lis2dw_configure_wakeup_threshold(32); // g threshold to wake up: (THS * FS / 64) where FS is "full scale" of ±2g.
lis2dw_configure_6d_threshold(3); // 0-3 is 80, 70, 60, or 50 degrees. 50 is least precise, hopefully most sensitive?
// set up interrupts: