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talk to accelerometer in the app loop rather than interrupt routine

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Alessandro Genova
2025-10-27 00:22:14 -04:00
parent 24400c53bb
commit 7526b30b3d
1 changed files with 26 additions and 10 deletions
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movement.c
+26 -10
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@@ -93,6 +93,7 @@ typedef struct {
volatile bool is_buzzing;
volatile uint8_t pending_sequence_priority;
volatile bool schedule_next_comp;
volatile bool has_pending_accelerometer;
// button tracking for long press
movement_button_t mode_button;
@@ -276,6 +277,24 @@ static void _movement_renew_top_of_minute_alarm(void) {
movement_volatile_state.schedule_next_comp = true;
}
static uint32_t _movement_get_accelerometer_events() {
uint32_t accelerometer_events = 0;
uint8_t int_src = lis2dw_get_interrupt_source();
if (int_src & LIS2DW_REG_ALL_INT_SRC_DOUBLE_TAP) {
accelerometer_events |= 1 << EVENT_DOUBLE_TAP;
printf("Double tap!\n");
}
if (int_src & LIS2DW_REG_ALL_INT_SRC_SINGLE_TAP) {
accelerometer_events |= 1 << EVENT_SINGLE_TAP;
printf("Single tap!\n");
}
return accelerometer_events;
}
static void _movement_handle_button_presses(uint32_t pending_events) {
bool any_up = false;
bool any_down = false;
@@ -910,6 +929,7 @@ void app_init(void) {
movement_volatile_state.enter_sleep_mode = false;
movement_volatile_state.exit_sleep_mode = false;
movement_volatile_state.has_pending_sequence = false;
movement_volatile_state.has_pending_accelerometer = false;
movement_volatile_state.is_sleeping = false;
movement_volatile_state.is_buzzing = false;
@@ -1221,6 +1241,11 @@ bool app_loop(void) {
}
}
if (movement_volatile_state.has_pending_accelerometer) {
movement_volatile_state.has_pending_accelerometer = false;
pending_events |= _movement_get_accelerometer_events();
}
// handle any button up/down events that occurred, e.g. schedule longpress timeouts, reset inactivity, etc.
_movement_handle_button_presses(pending_events);
@@ -1468,16 +1493,7 @@ void cb_tick(void) {
}
void cb_accelerometer_event(void) {
uint8_t int_src = lis2dw_get_interrupt_source();
if (int_src & LIS2DW_REG_ALL_INT_SRC_DOUBLE_TAP) {
movement_volatile_state.pending_events |= 1 << EVENT_DOUBLE_TAP;
printf("Double tap!\n");
}
if (int_src & LIS2DW_REG_ALL_INT_SRC_SINGLE_TAP) {
movement_volatile_state.pending_events |= 1 << EVENT_SINGLE_TAP;
printf("Single tap!\n");
}
movement_volatile_state.has_pending_accelerometer = true;
}
void cb_accelerometer_wake(void) {