| /** |
| * Copyright (c) 2015 Runtime Inc. |
| * |
| * 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 "os/os.h" |
| #include "os/queue.h" |
| |
| static os_time_t g_os_time = 0; |
| |
| os_time_t |
| os_time_get(void) |
| { |
| return (g_os_time); |
| } |
| |
| /** |
| * Called for every single tick by the architecture specific functions. |
| * |
| * Increases the os_time by 1 tick. |
| */ |
| void |
| os_time_tick(void) |
| { |
| os_sr_t sr; |
| |
| OS_ENTER_CRITICAL(sr); |
| ++g_os_time; |
| OS_EXIT_CRITICAL(sr); |
| } |
| |
| /** |
| * Puts the current task to sleep for the specified number of os ticks. There |
| * is no delay if ticks is <= 0. |
| * |
| * @param osticks Number of ticks to delay (<= 0 means no delay). |
| */ |
| void |
| os_time_delay(int32_t osticks) |
| { |
| os_sr_t sr; |
| |
| if (osticks > 0) { |
| OS_ENTER_CRITICAL(sr); |
| os_sched_sleep(os_sched_get_current_task(), (os_time_t)osticks); |
| OS_EXIT_CRITICAL(sr); |
| os_sched(NULL, 0); |
| } |
| } |