--- /dev/null
+/*
+ * 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 "accel_interrupt_count_face.h"
+#include "lis2dw.h"
+#include "watch.h"
+
+// hacky hacky!
+uint32_t *ptr_to_count = 0;
+
+void accel_interrupt_handler(void);
+void accel_interrupt_handler(void) {
+ (*ptr_to_count)++;
+}
+
+static void _accel_interrupt_count_face_update_display(accel_interrupt_count_state_t *state) {
+ char buf[11];
+
+ if (state->running) {
+ watch_set_indicator(WATCH_INDICATOR_SIGNAL);
+ } else {
+ watch_clear_indicator(WATCH_INDICATOR_SIGNAL);
+ }
+
+ // "AC"celerometer "IN"terrupts
+ snprintf(buf, 11, "AC1N%6ld", state->count);
+ watch_display_string(buf, 0);
+ printf("%s\n", buf);
+}
+
+static void _accel_interrupt_count_face_configure_threshold(uint8_t threshold) {
+ lis2dw_configure_wakeup_int1(threshold, false, true);
+}
+
+void accel_interrupt_count_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
+ (void) settings;
+ (void) watch_face_index;
+ if (*context_ptr == NULL) {
+ *context_ptr = malloc(sizeof(accel_interrupt_count_state_t));
+ memset(*context_ptr, 0, sizeof(accel_interrupt_count_state_t));
+ ptr_to_count = &((accel_interrupt_count_state_t *)*context_ptr)->count;
+ watch_enable_i2c();
+ lis2dw_begin();
+ lis2dw_set_low_power_mode(LIS2DW_LP_MODE_2); // lowest power 14-bit mode, 25 Hz is 3.5 µA @ 1.8V w/ low noise, 3µA without
+ lis2dw_set_low_noise_mode(true); // consumes a little more power
+ lis2dw_set_range(LIS2DW_CTRL6_VAL_RANGE_4G);
+ lis2dw_set_data_rate(LIS2DW_DATA_RATE_25_HZ); // is this enough?
+
+ // threshold is 1/64th of full scale, so for a FS of ±4G this is 1.25G
+ ((accel_interrupt_count_state_t *)*context_ptr)->threshold = 10;
+ _accel_interrupt_count_face_configure_threshold(((accel_interrupt_count_state_t *)*context_ptr)->threshold);
+ }
+}
+
+void accel_interrupt_count_face_activate(movement_settings_t *settings, void *context) {
+ accel_interrupt_count_state_t *state = (accel_interrupt_count_state_t *)context;
+
+ // never in settings mode at the start
+ state->is_setting = false;
+
+ // force LE interval to never sleep
+ settings->bit.le_interval = 0;
+}
+
+bool accel_interrupt_count_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
+ accel_interrupt_count_state_t *state = (accel_interrupt_count_state_t *)context;
+
+ if (state->is_setting) {
+ switch (event.event_type) {
+ case EVENT_LIGHT_BUTTON_DOWN:
+ state->new_threshold = (state->new_threshold + 1) % 64;
+ // fall through
+ case EVENT_TICK:
+ {
+ char buf[11];
+ snprintf(buf, 11, "TH %4d ", state->new_threshold);
+ watch_display_string(buf, 0);
+ printf("%s\n", buf);
+ }
+ break;
+ case EVENT_ALARM_BUTTON_UP:
+ lis2dw_configure_wakeup_int1(state->threshold, false, true);
+ state->threshold = state->new_threshold;
+ state->is_setting = false;
+ break;
+ default:
+ movement_default_loop_handler(event, settings);
+ break;
+ }
+ } else {
+ switch (event.event_type) {
+ case EVENT_LIGHT_BUTTON_DOWN:
+ movement_illuminate_led();
+
+ // if stopped, reset the count
+ if (!state->running) {
+ state->count = 0;
+ }
+ _accel_interrupt_count_face_update_display(state);
+ break;
+ case EVENT_ALARM_BUTTON_UP:
+ if (state->running) {
+ state->running = false;
+ watch_register_interrupt_callback(A4, NULL, INTERRUPT_TRIGGER_RISING);
+ } else {
+ state->running = true;
+ watch_register_interrupt_callback(A4, accel_interrupt_handler, INTERRUPT_TRIGGER_RISING);
+ }
+ _accel_interrupt_count_face_update_display(state);
+ break;
+ case EVENT_ACTIVATE:
+ case EVENT_TICK:
+ _accel_interrupt_count_face_update_display(state);
+ break;
+ case EVENT_ALARM_LONG_PRESS:
+ if (!state->running) {
+ state->new_threshold = state->threshold;
+ state->is_setting = true;
+ }
+ return false;
+ default:
+ movement_default_loop_handler(event, settings);
+ break;
+ }
+ }
+
+ return true;
+}
+
+void accel_interrupt_count_face_resign(movement_settings_t *settings, void *context) {
+ (void) settings;
+ (void) context;
+}
+
+bool accel_interrupt_count_face_wants_background_task(movement_settings_t *settings, void *context) {
+ (void) settings;
+ (void) context;
+ return false;
+}
--- /dev/null
+/*
+ * 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.
+ */
+
+#pragma once
+
+/*
+ * Accelerometer Interrupt Counter
+ *
+ * This is an experimental watch face for counting the number of interrupts that
+ * the Sensor Watch Motion acceleromoeter board fires. I expect it will be removed
+ * once we integrate accelerometer functionality more deeply into Movement.
+ */
+
+#include "movement.h"
+#include "watch.h"
+
+typedef struct {
+ uint32_t count;
+ uint8_t new_threshold;
+ uint8_t threshold;
+ bool running;
+ bool is_setting;
+} accel_interrupt_count_state_t;
+
+void accel_interrupt_count_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr);
+void accel_interrupt_count_face_activate(movement_settings_t *settings, void *context);
+bool accel_interrupt_count_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
+void accel_interrupt_count_face_resign(movement_settings_t *settings, void *context);
+bool accel_interrupt_count_face_wants_background_task(movement_settings_t *settings, void *context);
+
+#define accel_interrupt_count_face ((const watch_face_t){ \
+ accel_interrupt_count_face_setup, \
+ accel_interrupt_count_face_activate, \
+ accel_interrupt_count_face_loop, \
+ accel_interrupt_count_face_resign, \
+ accel_interrupt_count_face_wants_background_task, \
+})