upload android base code part6

android/system/chre/apps/timer_world/Makefile

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+#
+# Timer World Nanoapp Makefile
+#
+
+# Environment Checks ###########################################################
+
+ifeq ($(CHRE_PREFIX),)
+ifneq ($(ANDROID_BUILD_TOP),)
+CHRE_PREFIX = $(ANDROID_BUILD_TOP)/system/chre
+else
+$(error "You must run 'lunch' to setup ANDROID_BUILD_TOP, or explicitly define \
+         the CHRE_PREFIX environment variable to point to the CHRE root \
+         directory.")
+endif
+endif
+
+# Nanoapp Configuration ########################################################
+
+NANOAPP_NAME = timer_world
+NANOAPP_ID = 0x0123456789000002
+NANOAPP_VERSION = 0x00000001
+
+NANOAPP_NAME_STRING = \"Timer\ World\"
+
+# Common Compiler Flags ########################################################
+
+# Include paths.
+COMMON_CFLAGS += -I.
+COMMON_CFLAGS += -I$(CHRE_PREFIX)/util/include
+
+# Defines.
+COMMON_CFLAGS += -DNANOAPP_MINIMUM_LOG_LEVEL=CHRE_LOG_LEVEL_DEBUG
+
+# Common Source Files ##########################################################
+
+COMMON_SRCS += timer_world.cc
+
+# Makefile Includes ############################################################
+
+include $(CHRE_PREFIX)/build/nanoapp/app.mk

android/system/chre/apps/timer_world/timer_world.cc

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+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * 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 <chre.h>
+#include <cinttypes>
+
+#include "chre/util/nanoapp/log.h"
+
+#define LOG_TAG "[TimerWorld]"
+
+#ifdef CHRE_NANOAPP_INTERNAL
+namespace chre {
+namespace {
+#endif  // CHRE_NANOAPP_INTERNAL
+
+uint32_t gOneShotTimerHandle;
+uint32_t gCyclicTimerHandle;
+int gCyclicTimerCount;
+
+bool nanoappStart() {
+  LOGI("App started on platform ID %" PRIx64, chreGetPlatformId());
+
+  gOneShotTimerHandle = chreTimerSet(100000000 /* duration: 100ms */,
+      &gOneShotTimerHandle /* data */,
+      true /* oneShot */);
+  gCyclicTimerHandle = chreTimerSet(150000000 /* duration: 150ms */,
+      &gCyclicTimerHandle /* data */,
+      false /* oneShot */);
+  gCyclicTimerCount = 0;
+  return true;
+}
+
+void handleTimerEvent(const void *eventData) {
+  const uint32_t *timerHandle = static_cast<const uint32_t *>(eventData);
+  if (*timerHandle == gOneShotTimerHandle) {
+    LOGI("One shot timer event received");
+  } else if (*timerHandle == gCyclicTimerHandle) {
+    LOGI("Cyclic timer event received");
+    gCyclicTimerCount++;
+    if (gCyclicTimerCount > 1) {
+      chreTimerCancel(gCyclicTimerHandle);
+    }
+  }
+}
+
+void nanoappHandleEvent(uint32_t senderInstanceId,
+                        uint16_t eventType,
+                        const void *eventData) {
+  switch (eventType) {
+    case CHRE_EVENT_TIMER:
+      handleTimerEvent(eventData);
+      break;
+    default:
+      LOGW("Unknown event received");
+      break;
+  }
+}
+
+void nanoappEnd() {
+  LOGI("Stopped");
+}
+
+#ifdef CHRE_NANOAPP_INTERNAL
+}  // anonymous namespace
+}  // namespace chre
+
+#include "chre/util/nanoapp/app_id.h"
+#include "chre/platform/static_nanoapp_init.h"
+
+CHRE_STATIC_NANOAPP_INIT(TimerWorld, chre::kTimerWorldAppId, 0);
+#endif  // CHRE_NANOAPP_INTERNAL

android/system/chre/apps/timer_world/timer_world.mk

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+#
+# Timer World Makefile
+#
+
+# Common Compiler Flags ########################################################
+
+# Include paths.
+COMMON_CFLAGS += -Iapps/timer_world/include
+
+# Common Source Files ##########################################################
+
+COMMON_SRCS += apps/timer_world/timer_world.cc