EL4121 Embedded System / mbed-os

mbed-os

Dependents:   cobaLCDJoyMotor_Thread odometry_omni_3roda_v3 odometry_omni_3roda_v1 odometry_omni_3roda_v2 ... more

hal/mbed_us_ticker_api.c@0:b74591d5ab33, 2017-12-11 (annotated)

Committer:
be_bryan
Date:
Mon Dec 11 17:54:04 2017 +0000
Revision:
0:b74591d5ab33
motor ++

Who changed what in which revision?

UserRevisionLine numberNew contents of line
be_bryan 0:b74591d5ab33 1 /* mbed Microcontroller Library
be_bryan 0:b74591d5ab33 2 * Copyright (c) 2015 ARM Limited
be_bryan 0:b74591d5ab33 3 *
be_bryan 0:b74591d5ab33 4 * Licensed under the Apache License, Version 2.0 (the "License");
be_bryan 0:b74591d5ab33 5 * you may not use this file except in compliance with the License.
be_bryan 0:b74591d5ab33 6 * You may obtain a copy of the License at
be_bryan 0:b74591d5ab33 7 *
be_bryan 0:b74591d5ab33 8 * http://www.apache.org/licenses/LICENSE-2.0
be_bryan 0:b74591d5ab33 9 *
be_bryan 0:b74591d5ab33 10 * Unless required by applicable law or agreed to in writing, software
be_bryan 0:b74591d5ab33 11 * distributed under the License is distributed on an "AS IS" BASIS,
be_bryan 0:b74591d5ab33 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
be_bryan 0:b74591d5ab33 13 * See the License for the specific language governing permissions and
be_bryan 0:b74591d5ab33 14 * limitations under the License.
be_bryan 0:b74591d5ab33 15 */
be_bryan 0:b74591d5ab33 16 #include "hal/us_ticker_api.h"
be_bryan 0:b74591d5ab33 17
be_bryan 0:b74591d5ab33 18 static ticker_event_queue_t events = { 0 };
be_bryan 0:b74591d5ab33 19
be_bryan 0:b74591d5ab33 20 static ticker_irq_handler_type irq_handler = ticker_irq_handler;
be_bryan 0:b74591d5ab33 21
be_bryan 0:b74591d5ab33 22 static const ticker_interface_t us_interface = {
be_bryan 0:b74591d5ab33 23 .init = us_ticker_init,
be_bryan 0:b74591d5ab33 24 .read = us_ticker_read,
be_bryan 0:b74591d5ab33 25 .disable_interrupt = us_ticker_disable_interrupt,
be_bryan 0:b74591d5ab33 26 .clear_interrupt = us_ticker_clear_interrupt,
be_bryan 0:b74591d5ab33 27 .set_interrupt = us_ticker_set_interrupt,
be_bryan 0:b74591d5ab33 28 .fire_interrupt = us_ticker_fire_interrupt,
be_bryan 0:b74591d5ab33 29 .get_info = us_ticker_get_info,
be_bryan 0:b74591d5ab33 30 };
be_bryan 0:b74591d5ab33 31
be_bryan 0:b74591d5ab33 32 static const ticker_data_t us_data = {
be_bryan 0:b74591d5ab33 33 .interface = &us_interface,
be_bryan 0:b74591d5ab33 34 .queue = &events
be_bryan 0:b74591d5ab33 35 };
be_bryan 0:b74591d5ab33 36
be_bryan 0:b74591d5ab33 37 const ticker_data_t* get_us_ticker_data(void)
be_bryan 0:b74591d5ab33 38 {
be_bryan 0:b74591d5ab33 39 return &us_data;
be_bryan 0:b74591d5ab33 40 }
be_bryan 0:b74591d5ab33 41
be_bryan 0:b74591d5ab33 42 ticker_irq_handler_type set_us_ticker_irq_handler(ticker_irq_handler_type ticker_irq_handler)
be_bryan 0:b74591d5ab33 43 {
be_bryan 0:b74591d5ab33 44 ticker_irq_handler_type prev_irq_handler = irq_handler;
be_bryan 0:b74591d5ab33 45
be_bryan 0:b74591d5ab33 46 irq_handler = ticker_irq_handler;
be_bryan 0:b74591d5ab33 47
be_bryan 0:b74591d5ab33 48 return prev_irq_handler;
be_bryan 0:b74591d5ab33 49 }
be_bryan 0:b74591d5ab33 50
be_bryan 0:b74591d5ab33 51 void us_ticker_irq_handler(void)
be_bryan 0:b74591d5ab33 52 {
be_bryan 0:b74591d5ab33 53 if (irq_handler) {
be_bryan 0:b74591d5ab33 54 irq_handler(&us_data);
be_bryan 0:b74591d5ab33 55 }
be_bryan 0:b74591d5ab33 56 }