Import of the watch repository from Pebble

src/apps/app_messages_test/appinfo.json

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+{
+  "uuid": "2a3352d5-2d44-437f-9652-98464640aeab",
+  "shortName": "AppMsgTest",
+  "longName": "AppMsgTest",
+  "companyName": "Pebble",
+  "versionCode": 1,
+  "versionLabel": "1.0",
+  "watchapp": {
+    "watchface": false
+  },
+  "appKeys": {
+    "test0": 0
+  },
+  "resources": {
+    "media": []
+  },
+  "targetPlatforms": [
+    "aplite",
+    "basalt",
+    "chalk"
+  ],
+  "sdkVersion": "3"
+}

src/apps/app_messages_test/src/app_message_test.c

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+/*
+ * 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>
+
+static Window *s_window;
+static TextLayer *s_text_layer;
+
+
+enum {
+  DICT_KEY_TEST_0 = 0x0,
+};
+
+static int send_app_msg(void) {
+  Tuplet value = TupletInteger(DICT_KEY_TEST_0, 1);
+
+  DictionaryIterator *iter;
+  app_message_outbox_begin(&iter);
+
+  if (iter == NULL) {
+    return -1;
+  }
+
+  dict_write_tuplet(iter, &value);
+  dict_write_end(iter);
+
+  int result = app_message_outbox_send();
+  return result;
+}
+
+static void select_click_handler(ClickRecognizerRef recognizer, void *context) {
+  int result;
+  APP_LOG(APP_LOG_LEVEL_DEBUG, "Sending messages");
+  for (int i=0; i<10; i++) {
+    APP_LOG(APP_LOG_LEVEL_DEBUG, "app sending outbox");
+    do {
+      result = send_app_msg();
+    } while (result == -1);
+    APP_LOG(APP_LOG_LEVEL_DEBUG, "outbox result code: %d", result);
+  }
+}
+
+static void up_click_handler(ClickRecognizerRef recognizer, void *context) {
+  text_layer_set_text(s_text_layer, "Up");
+  for (int i=0; i<10; i++) {
+    APP_LOG(APP_LOG_LEVEL_INFO, "sending BT log message");
+  }
+}
+
+static void down_click_handler(ClickRecognizerRef recognizer, void *context) {
+  text_layer_set_text(s_text_layer, "Down");
+}
+
+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 void in_received_handler(DictionaryIterator *iter, void *context) {
+  APP_LOG(APP_LOG_LEVEL_DEBUG, "Received message");
+}
+
+static void in_dropped_handler(AppMessageResult reason, void *context) {
+  APP_LOG(APP_LOG_LEVEL_DEBUG, "App Message Dropped!");
+}
+
+static void out_failed_handler(DictionaryIterator *failed, AppMessageResult reason, void *context) {
+  APP_LOG(APP_LOG_LEVEL_DEBUG, "App Message Failed to Send!");
+}
+
+static void app_message_init(void) {
+  // Register message handlers
+  app_message_register_inbox_received(in_received_handler);
+  app_message_register_inbox_dropped(in_dropped_handler);
+  app_message_register_outbox_failed(out_failed_handler);
+  // Init buffers
+  app_message_open(64, 64);
+}
+
+static void window_load(Window *window) {
+  Layer *window_layer = window_get_root_layer(window);
+  GRect bounds = layer_get_bounds(window_layer);
+
+  s_text_layer = text_layer_create((GRect) { .origin = { 0, 72 }, .size = { bounds.size.w, 20 } });
+  text_layer_set_text(s_text_layer, "Press a button");
+  text_layer_set_text_alignment(s_text_layer, GTextAlignmentCenter);
+  layer_add_child(window_layer, text_layer_get_layer(s_text_layer));
+}
+
+static void window_unload(Window *window) {
+}
+
+static void init(void) {
+  s_window = window_create();
+  app_message_init();
+  window_set_click_config_provider(s_window, click_config_provider);
+  window_set_window_handlers(s_window, (WindowHandlers) {
+    .load = window_load,
+    .unload = window_unload,
+  });
+  const bool animated = true;
+  window_stack_push(s_window, animated);
+}
+
+static void deinit(void) {
+  window_destroy(s_window);
+  text_layer_destroy(s_text_layer);
+}
+
+int main(void) {
+  init();
+
+  APP_LOG(APP_LOG_LEVEL_DEBUG, "Done initializing, pushed window: %p", s_window);
+
+  app_event_loop();
+  deinit();
+}

src/apps/app_messages_test/src/js/pebble-js-app.js

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+/**
+ * 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.
+ */
+
+// Set callback for the app ready event
+Pebble.addEventListener("ready",
+                        function(e) {
+                          console.log("connected!" + e.ready);
+                          console.log(e.type);
+                        });
+
+// Set callback for appmessage events
+Pebble.addEventListener("appmessage",
+                        function(e) {
+                          console.log("sending reply");
+                          Pebble.sendAppMessage({"test0": "42"});
+                        });
+

src/apps/app_messages_test/wscript

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+#
+# 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):
+    """
+    This method is used to configure your build.
+    ctx.load(`pebble_sdk`) automatically configures a build for each valid platform in `targetPlatforms`.
+    Platform-specific configuration: add your change after calling ctx.load('pebble_sdk') and make sure to set the
+    correct environment first.
+    Universal configuration: add your change prior to calling ctx.load('pebble_sdk').
+    """
+    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', 'src/js/**/*.json']), js_entry_file='src/js/app.js')