1 /* 2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 * Description: 时间适配层接口cmsis2实现源文件（此文件为DEMO，需集成方适配修改） 15 */ 16 17 #include "hilink_time_adapter.h" 18 #include "cmsis_os2.h" 19 #include "hilink_sal_defines.h" 20 21 #ifndef MS_PER_SECOND 22 #define MS_PER_SECOND 1000 23 #endif 24 #ifndef US_PER_MS 25 #define US_PER_MS 1000 26 #endif 27 HILINK_GetOsTime(HiLinkTimeval * time)28int HILINK_GetOsTime(HiLinkTimeval *time) 29 { 30 if (time == NULL) { 31 HILINK_SAL_WARN("invalid param\r\n"); 32 return HILINK_SAL_PARAM_INVALID; 33 } 34 35 if (osKernelGetTickFreq() == 0) { 36 HILINK_SAL_CRIT("invalid tick freq\r\n"); 37 return HILINK_SAL_PARAM_INVALID; 38 } 39 40 uint64_t ms = ((uint64_t)osKernelGetTickCount() * MS_PER_SECOND / osKernelGetTickFreq()); 41 time->sec = ms / MS_PER_SECOND; 42 time->usec = ms % MS_PER_SECOND * US_PER_MS; 43 44 return HILINK_SAL_OK; 45 } 46 HILINK_GetUtcTime(HiLinkTimeval * time)47int HILINK_GetUtcTime(HiLinkTimeval *time) 48 { 49 (void)time; 50 return HILINK_SAL_NOT_SUPPORT; 51 }