Import of the watch repository from Pebble

src/apps/bg_task_test/appinfo.json

@@ -0,0 +1,23 @@
+{
+  "uuid": "02b1f111-ef11-4e89-af3d-25f4784214fd",
+  "shortName": "BG App Demo",
+  "longName": "BG App Demo",
+  "companyName": "Pebble",
+  "versionLabel": "1.0",
+  "sdkVersion": "3",
+  "targetPlatforms": ["basalt"],
+  "watchapp": {
+    "watchface": false
+  },
+  "appKeys": {},
+  "resources": {
+    "media": [
+      {
+        "characterRegex": "[:0-9]",
+        "type": "font",
+        "name": "FONT_ROBOTO_BOLD_SUBSET_49",
+        "file": "fonts/Roboto-Bold.ttf"
+      }
+    ]
+  }
+}

src/apps/bg_task_test/src/fg.c

@@ -0,0 +1,193 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "pebble.h"
+#include <inttypes.h>
+
+
+Window *window;
+TextLayer *text_layer;
+Layer *line_layer;
+
+static char g_text[100];
+
+// Return current time in ms
+static uint64_t prv_ms(void) {
+  time_t cur_sec;
+  uint16_t cur_ms = time_ms(&cur_sec, NULL);
+  return ((uint64_t)cur_sec * 1000) + cur_ms;
+}
+
+
+static void steps_event_handler(uint16_t type, AppWorkerMessage *data) {
+  //APP_LOG(APP_LOG_LEVEL_DEBUG, "Received new worker event. type: %d, data: %d, %d, %d", (int)type, (int)data->data0,
+  //        (int)data->data1, (int)data->data2);
+
+  if (type == 0) {
+    snprintf(g_text, sizeof(g_text), "%5d %5d %5d", (int)data->data0, (int)data->data1, (int)data->data2);
+    text_layer_set_text(text_layer, g_text);
+  } else if (type == 1) {
+    snprintf(g_text, sizeof(g_text), "BAT: %d, %d, %d", (int)data->data0, (int)data->data1, (int)data->data2);
+    text_layer_set_text(text_layer, g_text);
+  }
+}
+
+
+static void up_click_handler(ClickRecognizerRef recognizer, void *context) {
+  AppWorkerResult result = app_worker_launch();
+  APP_LOG(APP_LOG_LEVEL_INFO, "launch result: %d", result);
+}
+
+static void select_click_handler(ClickRecognizerRef recognizer, void *context) {
+  AppWorkerMessage m;
+  app_worker_send_message('x', &m);
+  APP_LOG(APP_LOG_LEVEL_INFO, "crashing worker");
+}
+
+static void down_click_handler(ClickRecognizerRef recognizer, void *context) {
+  AppWorkerResult result = app_worker_kill();
+  APP_LOG(APP_LOG_LEVEL_INFO, "kill result: %d", result);
+}
+
+static void click_config_provider(void *context) {
+  window_single_click_subscribe(BUTTON_ID_SELECT, select_click_handler);
+  window_single_click_subscribe(BUTTON_ID_UP, up_click_handler);
+  window_single_click_subscribe(BUTTON_ID_DOWN, down_click_handler);
+}
+
+static uint32_t s_seconds_count;
+void handle_second_tick(struct tm *tick_time, TimeUnits units_changed) {
+
+  bool running = app_worker_is_running();
+
+  if (false) {
+    const char* status = "not";
+    if (running) {
+      status = "is";
+    }
+    APP_LOG(APP_LOG_LEVEL_INFO, "worker %s running", status);
+  }
+
+  s_seconds_count++;
+  if ((s_seconds_count % 5) == 0) {
+    int value = persist_read_int(42);
+    // APP_LOG(APP_LOG_LEVEL_INFO, "Updating persist value from %d to %d", value, value + 1);
+    persist_write_int(42, value + 1);
+  }
+}
+
+static void health_event_handler(HealthEventType event, void *context) {
+  APP_LOG(APP_LOG_LEVEL_INFO, "app: Got health event update. event_id: %"PRIu32"",
+          (uint32_t) event);
+  if (event == HealthEventMovementUpdate) {
+    HealthValue steps = health_service_sum_today(HealthMetricStepCount);
+    APP_LOG(APP_LOG_LEVEL_INFO, "app: movement event, steps: %"PRIu32"",
+            (uint32_t)steps);
+
+    // Test getting historical steps
+    time_t day_start = time_start_of_today();
+    for (int i = 0; i < 7; i++) {
+      steps = health_service_sum(HealthMetricStepCount, day_start, day_start + SECONDS_PER_DAY);
+      APP_LOG(APP_LOG_LEVEL_INFO, "%d days ago steps: %d", i, (int)steps);
+      day_start -= SECONDS_PER_DAY;
+    }
+
+    // Test getting steps for part of a day
+    day_start = time_start_of_today();
+    time_t seconds_today_so_far = time(NULL) - day_start;
+    steps = health_service_sum(HealthMetricStepCount, day_start,
+                               day_start + (seconds_today_so_far / 2));
+    APP_LOG(APP_LOG_LEVEL_INFO, "steps 1st half of today: %d", (int)steps);
+
+    steps = health_service_sum(HealthMetricStepCount, day_start - (SECONDS_PER_DAY / 2), day_start);
+    APP_LOG(APP_LOG_LEVEL_INFO, "steps 2nd half of yesterday: %d", (int)steps);
+
+
+    // Test the get_minute_history call
+
+    const int minute_data_len = 10;
+    HealthMinuteData minute_data[minute_data_len];
+    uint32_t num_records = minute_data_len;
+    time_t utc_start = time(NULL) - 60 * 60 * 24;  // All records since 1 day ago
+    time_t utc_end = time(NULL);
+
+    uint64_t start_ms = prv_ms();
+    health_service_get_minute_history(minute_data, num_records, &utc_start, &utc_end);
+    uint64_t elapsed_ms = prv_ms() - start_ms;
+
+    int num_records_returned = (utc_end - utc_start) / SECONDS_PER_MINUTE;
+    APP_LOG(APP_LOG_LEVEL_INFO, "app: Retrieved %d minute records in %"PRIu32" ms:",
+            num_records_returned, (uint32_t)elapsed_ms);
+    for (int i = 0; i < num_records_returned; i++) {
+      APP_LOG(APP_LOG_LEVEL_INFO, "  steps: %"PRIu8", orient: 0x%"PRIx8", vmc: %"PRIu16", "
+              "light: %d, valid: %d", minute_data[i].steps, minute_data[i].orientation,
+              minute_data[i].vmc, (int)minute_data[i].light, (int)(!minute_data[i].is_invalid));
+    }
+
+
+  } else if (event == HealthEventSleepUpdate) {
+    HealthValue total_sleep = health_service_sum_today(HealthMetricSleepSeconds);
+    HealthValue restful_sleep = health_service_sum_today(HealthMetricSleepRestfulSeconds);
+    APP_LOG(APP_LOG_LEVEL_INFO, "app: New sleep event: total: %"PRIu32", restful: %"PRIu32" ",
+            total_sleep / SECONDS_PER_MINUTE,  restful_sleep / SECONDS_PER_MINUTE);
+  }
+}
+
+void handle_deinit(void) {
+  tick_timer_service_unsubscribe();
+  health_service_events_unsubscribe();
+}
+
+void handle_init(void) {
+  window = window_create();
+  window_set_click_config_provider(window, click_config_provider);
+
+  window_stack_push(window, true /* Animated */);
+  window_set_background_color(window, GColorBlack);
+
+  Layer *window_layer = window_get_root_layer(window);
+
+  text_layer = text_layer_create(GRect(7, 40, 144-7, 168-40));
+  text_layer_set_text_color(text_layer, GColorWhite);
+  text_layer_set_background_color(text_layer, GColorClear);
+  text_layer_set_font(text_layer, fonts_get_system_font(FONT_KEY_GOTHIC_24));
+
+  layer_add_child(window_layer, text_layer_get_layer(text_layer));
+
+  text_layer_set_text(text_layer, "? ? ?");
+
+  // Subscribe to mesages published by the worker
+  app_worker_message_subscribe(steps_event_handler);
+
+  // Subscribe to second ticks
+  tick_timer_service_subscribe(SECOND_UNIT, handle_second_tick);
+
+  // Launch the worker
+  AppWorkerResult result = app_worker_launch();
+  APP_LOG(APP_LOG_LEVEL_INFO, "launch result: %d", result);
+
+  // Subscribe to health service
+  health_service_events_subscribe(health_event_handler, NULL);
+}
+
+
+int main(void) {
+  handle_init();
+
+  app_event_loop();
+  
+  handle_deinit();
+}

src/apps/bg_task_test/worker_src/bg.c

@@ -0,0 +1,144 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <pebble_worker.h>
+#include <inttypes.h>
+
+#define BREAKPOINT __asm("bkpt")
+
+#define ACCEL_BATCH_SIZE        10
+#define PERSIST_WRITE_PERIOD_MS 1000
+
+// -------------------------------------------------------------------------------------------------
+static void prv_assert(bool condition, const char* msg) {
+  if (!condition) {
+    APP_LOG(APP_LOG_LEVEL_ERROR, msg);
+
+    // Force an exception
+    typedef void (*FuncPtr)(void);
+    FuncPtr bad_func = NULL;
+    bad_func();
+  }
+}
+
+// -----------------------------------------------------------------------------------------------
+void handle_accel(AccelRawData *accel_data, uint32_t num_samples, uint64_t timestamp) {
+
+  // Display data
+  //for (uint32_t i=0; i<num_samples; i++) {
+  //  APP_LOG(APP_LOG_LEVEL_INFO, "Got accel data: %d, %d, %d", accel_data[i].x, accel_data[i].y, accel_data[i].z);
+  //}
+
+  // Publish new steps count
+  AppWorkerMessage steps_data = {
+    .data0 = accel_data[0].x,
+    .data1 = accel_data[0].y,
+    .data2 = accel_data[0].z,
+  };
+  app_worker_send_message(0 /*type*/, &steps_data);
+}
+
+// -----------------------------------------------------------------------------------------------
+static void update_persist_callback(void* context) {
+  int value = persist_read_int(42);
+  // APP_LOG(APP_LOG_LEVEL_INFO, "Updating persist value from %d to %d", value, value + 1);
+  persist_write_int(42, value + 1);
+  app_timer_register(PERSIST_WRITE_PERIOD_MS /*ms*/, update_persist_callback, NULL);
+}
+
+
+// -----------------------------------------------------------------------------------------------
+static void battery_state_handler(BatteryChargeState charge) {
+  APP_LOG(APP_LOG_LEVEL_INFO, "got battery state service update");
+  APP_LOG(APP_LOG_LEVEL_INFO, "percent: %d, is_charging: %d, is_plugged: %d", charge.charge_percent,
+        charge.is_charging, charge.is_plugged);
+
+  AppWorkerMessage battery_data = {
+    .data0 = charge.charge_percent,
+    .data1 = charge.is_charging,
+    .data2 = charge.is_plugged,
+  };
+  app_worker_send_message(1 /*type*/, &battery_data);
+}
+
+
+// -----------------------------------------------------------------------------------------------
+static void connection_handler(bool connected) {
+  APP_LOG(APP_LOG_LEVEL_INFO, "got phone connection update");
+  APP_LOG(APP_LOG_LEVEL_INFO, "connected: %d", connected);
+}
+
+
+// -----------------------------------------------------------------------------------------------
+static void tick_timer_handler(struct tm *tick_time, TimeUnits units_changed) {
+  APP_LOG(APP_LOG_LEVEL_INFO, "got tick timer update");
+}
+
+
+// -----------------------------------------------------------------------------------------------
+static void worker_message_handler(uint16_t type, AppWorkerMessage *data) {
+  if (type == 'x') {
+    prv_assert(0, "crashing");
+  }
+}
+
+
+// -----------------------------------------------------------------------------------------------
+static void health_event_handler(HealthEventType event, void *context) {
+  APP_LOG(APP_LOG_LEVEL_INFO, "worker: Got health event update. event_id: %"PRIu32"",
+          (uint32_t) event);
+  if (event == HealthEventMovementUpdate) {
+    HealthValue steps = health_service_sum_today(HealthMetricStepCount);
+    APP_LOG(APP_LOG_LEVEL_INFO, "worker: movement event, steps: %"PRIu32"",
+            (uint32_t)steps);
+
+  } else if (event == HealthEventSleepUpdate) {
+    HealthValue total_sleep = health_service_sum_today(HealthMetricSleepSeconds);
+    HealthValue restful_sleep = health_service_sum_today(HealthMetricSleepRestfulSeconds);
+    APP_LOG(APP_LOG_LEVEL_INFO, "worker: New sleep event: total: %"PRIu32", restful: %"PRIu32" ",
+            total_sleep / SECONDS_PER_MINUTE,  restful_sleep / SECONDS_PER_MINUTE);
+  }
+}
+
+// -----------------------------------------------------------------------------------------------
+int main(void) {
+  APP_LOG(APP_LOG_LEVEL_DEBUG, "initializing...");
+
+  accel_raw_data_service_subscribe(ACCEL_BATCH_SIZE, handle_accel);
+  accel_service_set_sampling_rate(ACCEL_SAMPLING_10HZ);
+
+  app_timer_register(PERSIST_WRITE_PERIOD_MS /*ms*/, update_persist_callback, NULL);
+
+  battery_state_service_subscribe(battery_state_handler);
+
+  ConnectionHandlers conn_handlers = {
+    .pebble_app_connection_handler = connection_handler
+  };
+  connection_service_subscribe(conn_handlers);
+
+  tick_timer_service_subscribe(MINUTE_UNIT, tick_timer_handler);
+
+  app_worker_message_subscribe(worker_message_handler);
+
+  // Subscribe to health service
+  // health_service_events_subscribe(health_event_handler, NULL);
+
+  worker_event_loop();
+
+  accel_data_service_unsubscribe();
+  health_service_events_unsubscribe();
+}
+

src/apps/bg_task_test/wscript

@@ -0,0 +1,41 @@
+
+#
+# This file is the default set of rules to compile a Pebble project.
+#
+# Feel free to customize this to your needs.
+#
+
+import os.path
+
+top = '.'
+out = 'build'
+
+def options(ctx):
+    ctx.load('pebble_sdk')
+
+def configure(ctx):
+    ctx.load('pebble_sdk')
+
+def build(ctx):
+    ctx.load('pebble_sdk')
+
+    build_worker = os.path.exists('worker_src')
+    binaries = []
+
+    for p in ctx.env.TARGET_PLATFORMS:
+        ctx.set_env(ctx.all_envs[p])
+        ctx.set_group(ctx.env.PLATFORM_NAME)
+        app_elf='{}/pebble-app.elf'.format(ctx.env.BUILD_DIR)
+        ctx.pbl_program(source=ctx.path.ant_glob('src/**/*.c'),
+        target=app_elf)
+
+        if build_worker:
+            worker_elf='{}/pebble-worker.elf'.format(ctx.env.BUILD_DIR)
+            binaries.append({'platform': p, 'app_elf': app_elf, 'worker_elf': worker_elf})
+            ctx.pbl_worker(source=ctx.path.ant_glob('worker_src/**/*.c'),
+            target=worker_elf)
+        else:
+            binaries.append({'platform': p, 'app_elf': app_elf})
+
+    ctx.set_group('bundle')
+    ctx.pbl_bundle(binaries=binaries, js=ctx.path.ant_glob('src/js/**/*.js'))