[352] | 1 | /* mbed Microcontroller Library
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| 2 | * Copyright (c) 2015 ARM Limited
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | #include "hal/us_ticker_api.h"
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| 17 |
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[374] | 18 | static ticker_event_queue_t events = { 0 };
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[352] | 19 |
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[374] | 20 | static ticker_irq_handler_type irq_handler = ticker_irq_handler;
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| 21 |
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[352] | 22 | static const ticker_interface_t us_interface = {
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| 23 | .init = us_ticker_init,
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| 24 | .read = us_ticker_read,
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| 25 | .disable_interrupt = us_ticker_disable_interrupt,
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| 26 | .clear_interrupt = us_ticker_clear_interrupt,
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| 27 | .set_interrupt = us_ticker_set_interrupt,
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[374] | 28 | .fire_interrupt = us_ticker_fire_interrupt,
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| 29 | .get_info = us_ticker_get_info,
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| 30 | .free = us_ticker_free,
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[352] | 31 | };
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| 32 |
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| 33 | static const ticker_data_t us_data = {
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| 34 | .interface = &us_interface,
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[374] | 35 | .queue = &events
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[352] | 36 | };
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| 37 |
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[374] | 38 | const ticker_data_t *get_us_ticker_data(void)
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[352] | 39 | {
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| 40 | return &us_data;
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| 41 | }
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| 42 |
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[374] | 43 | ticker_irq_handler_type set_us_ticker_irq_handler(ticker_irq_handler_type ticker_irq_handler)
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| 44 | {
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| 45 | ticker_irq_handler_type prev_irq_handler = irq_handler;
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| 46 |
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| 47 | irq_handler = ticker_irq_handler;
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| 48 |
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| 49 | return prev_irq_handler;
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| 50 | }
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| 51 |
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[352] | 52 | void us_ticker_irq_handler(void)
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| 53 | {
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[374] | 54 | if (irq_handler) {
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| 55 | irq_handler(&us_data);
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| 56 | }
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[352] | 57 | }
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