1 /* 2 * Copyright (c) 2021 Bestechnic (Shanghai) Co., Ltd. All rights reserved. 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 */ 15 #ifndef __HWTIMER_LIST_H__ 16 #define __HWTIMER_LIST_H__ 17 18 #ifdef __cplusplus 19 extern "C" { 20 #endif 21 22 typedef void *HWTIMER_ID; 23 24 typedef void (*HWTIMER_CALLBACK_T)(void *param); 25 26 enum E_HWTIMER_T { 27 E_HWTIMER_OK = 0, 28 E_HWTIMER_FAILED, 29 E_HWTIMER_INVAL_ID, 30 E_HWTIMER_INVAL_ST, 31 E_HWTIMER_IN_CALLBACK, 32 E_HWTIMER_NOT_FOUND, 33 }; 34 35 void hwtimer_init(void); 36 37 HWTIMER_ID hwtimer_alloc(HWTIMER_CALLBACK_T callback, void *param); 38 39 enum E_HWTIMER_T hwtimer_free(HWTIMER_ID id); 40 41 enum E_HWTIMER_T hwtimer_start(HWTIMER_ID id, unsigned int ticks); 42 43 enum E_HWTIMER_T hwtimer_update_then_start(HWTIMER_ID id, HWTIMER_CALLBACK_T callback, void *param, unsigned int ticks); 44 45 enum E_HWTIMER_T hwtimer_update(HWTIMER_ID id, HWTIMER_CALLBACK_T callback, void *param); 46 47 enum E_HWTIMER_T hwtimer_stop(HWTIMER_ID id); 48 49 int hwtimer_active(HWTIMER_ID id); 50 51 #ifdef __cplusplus 52 } 53 #endif 54 55 #endif 56 57