tmk_core/tool/mbed/mbed-sdk/libraries/mbed/hal/us_ticker_api.h

   1 /* mbed Microcontroller Library
   2  * Copyright (c) 2006-2013 ARM Limited
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 #ifndef MBED_US_TICKER_API_H
  17 #define MBED_US_TICKER_API_H
  18
  19 #include <stdint.h>
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif
  24
  25 typedef uint32_t timestamp_t;
  26
  27 uint32_t us_ticker_read(void);
  28
  29 typedef void (*ticker_event_handler)(uint32_t id);
  30 void us_ticker_set_handler(ticker_event_handler handler);
  31
  32 typedef struct ticker_event_s {
  33     timestamp_t            timestamp;
  34     uint32_t               id;
  35     struct ticker_event_s *next;
  36 } ticker_event_t;
  37
  38 void us_ticker_init(void);
  39 void us_ticker_set_interrupt(timestamp_t timestamp);
  40 void us_ticker_disable_interrupt(void);
  41 void us_ticker_clear_interrupt(void);
  42 void us_ticker_irq_handler(void);
  43
  44 void us_ticker_insert_event(ticker_event_t *obj, timestamp_t timestamp, uint32_t id);
  45 void us_ticker_remove_event(ticker_event_t *obj);
  46 int us_ticker_get_next_timestamp(timestamp_t *timestamp);
  47
  48 #ifdef __cplusplus
  49 }
  50 #endif
  51
  52 #endif