Import of the watch repository from Pebble

src/apps/crash_demo_watchface/.gitignore

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+
+# Ignore build generated files
+build

src/apps/crash_demo_watchface/appinfo.json

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+{
+  "uuid": "7de4c63c-e674-4a46-862b-bd41da17467e",
+  "shortName": "crash_demo_watchface",
+  "longName": "crash_demo_watchface",
+  "companyName": "MakeAwesomeHappen",
+  "versionCode": 1,
+  "versionLabel": "1.0",
+  "sdkVersion": "3",
+  "targetPlatforms": ["aplite", "basalt"],
+  "watchapp": {
+    "watchface": true
+  },
+  "appKeys": {
+    "dummy": 0
+  },
+  "resources": {
+    "media": []
+  }
+}

src/apps/crash_demo_watchface/src/crash_demo_watchface.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 *window;
+static TextLayer *text_layer;
+
+static char text_buffer[64];
+
+static int s_counter = 3;
+
+static void prv_update_text(void) {
+  snprintf(text_buffer, sizeof(text_buffer), "Crashing in %d seconds", s_counter);
+  text_layer_set_text(text_layer, text_buffer);
+}
+
+static void prv_execute_gibberish(void) {
+  int32_t gibberish[] = { 0, 0, 0, 0 };
+  int8_t* gibberish_ptr = (int8_t*) gibberish;
+
+  ((void (*)(void))gibberish_ptr + 1)();
+}
+
+static void prv_timer_callback(void *data) {
+  --s_counter;
+
+  if (s_counter == 0) {
+    prv_execute_gibberish();
+  }
+
+  prv_update_text();
+
+  app_timer_register(1000, prv_timer_callback, 0);
+}
+
+static void window_load(Window *window) {
+  Layer *window_layer = window_get_root_layer(window);
+  GRect bounds = layer_get_bounds(window_layer);
+
+  text_layer = text_layer_create((GRect) { .origin = { 0, 72 }, .size = { bounds.size.w, 20 } });
+  text_layer_set_text_alignment(text_layer, GTextAlignmentCenter);
+  prv_update_text();
+  layer_add_child(window_layer, text_layer_get_layer(text_layer));
+}
+
+static void window_unload(Window *window) {
+  text_layer_destroy(text_layer);
+}
+
+static void init(void) {
+  window = window_create();
+  window_set_window_handlers(window, (WindowHandlers) {
+    .load = window_load,
+    .unload = window_unload,
+  });
+  const bool animated = true;
+  window_stack_push(window, animated);
+
+  app_timer_register(1000, prv_timer_callback, 0);
+}
+
+static void deinit(void) {
+  window_destroy(window);
+}
+
+int main(void) {
+  init();
+
+  app_event_loop();
+  deinit();
+}

src/apps/crash_demo_watchface/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):
+    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])
+        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.pbl_bundle(binaries=binaries, js=ctx.path.ant_glob('src/js/**/*.js'))