Import of the watch repository from Pebble

src/apps/app_heap_demo/appinfo.json

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+{
+  "uuid": "5900750a-b7e4-439c-890d-a7b2d2d29fc2",
+  "shortName": "AppHeap Demo",
+  "longName": "AppHeap Demo",
+  "companyName": "Pebble Technology",
+  "versionCode": 1,
+  "versionLabel": "1.0",
+  "watchapp": {
+    "watchface": false
+  },
+  "appKeys": {
+    "dummy": 0
+  },
+  "resources": {
+    "media": []
+  }
+}

src/apps/app_heap_demo/src/app_heap_demo.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>
+
+#define ALLOC_SIZE  2048
+
+static Window *window;
+static TextLayer *text_heap_info;
+
+static unsigned s_alloc_total = 0;
+static char s_text_buf[80];
+
+static void select_click_handler(ClickRecognizerRef recognizer, void *context) {
+  char *buf = malloc(ALLOC_SIZE);
+  if (buf == NULL) {
+    snprintf(s_text_buf, 80, "Heap full at %dB", s_alloc_total);
+    text_layer_set_text(text_heap_info, s_text_buf);
+    return;
+  }
+  s_alloc_total += ALLOC_SIZE;
+  snprintf(s_text_buf, 80, "%dB allocated", s_alloc_total);
+  text_layer_set_text(text_heap_info, s_text_buf);
+}
+
+static void config_provider(void *context) {
+  window_single_click_subscribe(BUTTON_ID_SELECT, select_click_handler);
+}
+
+static void init() {
+  window = window_create();
+  window_set_click_config_provider(window, config_provider);
+  window_stack_push(window, true /* Animated */);
+  Layer *window_layer = window_get_root_layer(window);
+
+  text_heap_info = text_layer_create(layer_get_frame(window_layer));
+  text_layer_set_text_color(text_heap_info, GColorWhite);
+  text_layer_set_background_color(text_heap_info, GColorBlack);
+  text_layer_set_font(text_heap_info, fonts_get_system_font(FONT_KEY_GOTHIC_28_BOLD));
+
+  snprintf(s_text_buf, 80, "Press [SELECT] to allocate %dB", ALLOC_SIZE);
+  text_layer_set_text(text_heap_info, s_text_buf);
+  layer_add_child(window_layer, text_layer_get_layer(text_heap_info));
+}
+
+static void deinit(void) {
+  // Don't free anything
+}
+
+int main(void) {
+  init();
+  app_event_loop();
+  deinit();
+}

src/apps/app_heap_demo/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.
+#
+
+top = '.'
+out = 'build'
+
+def options(ctx):
+    ctx.load('pebble_sdk')
+
+def configure(ctx):
+    ctx.load('pebble_sdk')
+
+def build(ctx):
+    ctx.load('pebble_sdk')
+
+    ctx.pbl_program(source=ctx.path.ant_glob('src/**/*.c'),
+                    target='pebble-app.elf')
+
+    ctx.pbl_bundle(elf='pebble-app.elf',
+                   js=ctx.path.ant_glob('js/**/*.js'))
+