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mbed_us_ticker_api.c
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mbed_us_ticker_api.c
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/* mbed Microcontroller Library
* Copyright (c) 2015 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "hal/us_ticker_api.h"
static ticker_event_queue_t events = { 0 };
static ticker_irq_handler_type irq_handler = ticker_irq_handler;
static const ticker_interface_t us_interface = {
.init = us_ticker_init,
.read = us_ticker_read,
.disable_interrupt = us_ticker_disable_interrupt,
.clear_interrupt = us_ticker_clear_interrupt,
.set_interrupt = us_ticker_set_interrupt,
.fire_interrupt = us_ticker_fire_interrupt,
.get_info = us_ticker_get_info,
};
static const ticker_data_t us_data = {
.interface = &us_interface,
.queue = &events
};
const ticker_data_t* get_us_ticker_data(void)
{
return &us_data;
}
ticker_irq_handler_type set_us_ticker_irq_handler(ticker_irq_handler_type ticker_irq_handler)
{
ticker_irq_handler_type prev_irq_handler = irq_handler;
irq_handler = ticker_irq_handler;
return prev_irq_handler;
}
void us_ticker_irq_handler(void)
{
if (irq_handler) {
irq_handler(&us_data);
}
}