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mbed-os/hal/mbed_us_ticker_api.c@0:6ad07c9019fd, 2018-05-30 (annotated)

Committer:
Bethory
Date:
Wed May 30 00:01:50 2018 +0000
Revision:
0:6ad07c9019fd
Codigo de tales para todos los pasculaes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Bethory 0:6ad07c9019fd 1 /* mbed Microcontroller Library
Bethory 0:6ad07c9019fd 2 * Copyright (c) 2015 ARM Limited
Bethory 0:6ad07c9019fd 3 *
Bethory 0:6ad07c9019fd 4 * Licensed under the Apache License, Version 2.0 (the "License");
Bethory 0:6ad07c9019fd 5 * you may not use this file except in compliance with the License.
Bethory 0:6ad07c9019fd 6 * You may obtain a copy of the License at
Bethory 0:6ad07c9019fd 7 *
Bethory 0:6ad07c9019fd 8 * http://www.apache.org/licenses/LICENSE-2.0
Bethory 0:6ad07c9019fd 9 *
Bethory 0:6ad07c9019fd 10 * Unless required by applicable law or agreed to in writing, software
Bethory 0:6ad07c9019fd 11 * distributed under the License is distributed on an "AS IS" BASIS,
Bethory 0:6ad07c9019fd 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Bethory 0:6ad07c9019fd 13 * See the License for the specific language governing permissions and
Bethory 0:6ad07c9019fd 14 * limitations under the License.
Bethory 0:6ad07c9019fd 15 */
Bethory 0:6ad07c9019fd 16 #include "hal/us_ticker_api.h"
Bethory 0:6ad07c9019fd 17
Bethory 0:6ad07c9019fd 18 static ticker_event_queue_t events = { 0 };
Bethory 0:6ad07c9019fd 19
Bethory 0:6ad07c9019fd 20 static ticker_irq_handler_type irq_handler = ticker_irq_handler;
Bethory 0:6ad07c9019fd 21
Bethory 0:6ad07c9019fd 22 static const ticker_interface_t us_interface = {
Bethory 0:6ad07c9019fd 23 .init = us_ticker_init,
Bethory 0:6ad07c9019fd 24 .read = us_ticker_read,
Bethory 0:6ad07c9019fd 25 .disable_interrupt = us_ticker_disable_interrupt,
Bethory 0:6ad07c9019fd 26 .clear_interrupt = us_ticker_clear_interrupt,
Bethory 0:6ad07c9019fd 27 .set_interrupt = us_ticker_set_interrupt,
Bethory 0:6ad07c9019fd 28 .fire_interrupt = us_ticker_fire_interrupt,
Bethory 0:6ad07c9019fd 29 .get_info = us_ticker_get_info,
Bethory 0:6ad07c9019fd 30 };
Bethory 0:6ad07c9019fd 31
Bethory 0:6ad07c9019fd 32 static const ticker_data_t us_data = {
Bethory 0:6ad07c9019fd 33 .interface = &us_interface,
Bethory 0:6ad07c9019fd 34 .queue = &events
Bethory 0:6ad07c9019fd 35 };
Bethory 0:6ad07c9019fd 36
Bethory 0:6ad07c9019fd 37 const ticker_data_t* get_us_ticker_data(void)
Bethory 0:6ad07c9019fd 38 {
Bethory 0:6ad07c9019fd 39 return &us_data;
Bethory 0:6ad07c9019fd 40 }
Bethory 0:6ad07c9019fd 41
Bethory 0:6ad07c9019fd 42 ticker_irq_handler_type set_us_ticker_irq_handler(ticker_irq_handler_type ticker_irq_handler)
Bethory 0:6ad07c9019fd 43 {
Bethory 0:6ad07c9019fd 44 ticker_irq_handler_type prev_irq_handler = irq_handler;
Bethory 0:6ad07c9019fd 45
Bethory 0:6ad07c9019fd 46 irq_handler = ticker_irq_handler;
Bethory 0:6ad07c9019fd 47
Bethory 0:6ad07c9019fd 48 return prev_irq_handler;
Bethory 0:6ad07c9019fd 49 }
Bethory 0:6ad07c9019fd 50
Bethory 0:6ad07c9019fd 51 void us_ticker_irq_handler(void)
Bethory 0:6ad07c9019fd 52 {
Bethory 0:6ad07c9019fd 53 if (irq_handler) {
Bethory 0:6ad07c9019fd 54 irq_handler(&us_data);
Bethory 0:6ad07c9019fd 55 }
Bethory 0:6ad07c9019fd 56 }