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_lp_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/lp_ticker_api.h"
be_bryan 0:b74591d5ab33 17
be_bryan 0:b74591d5ab33 18 #if DEVICE_LOWPOWERTIMER
be_bryan 0:b74591d5ab33 19
be_bryan 0:b74591d5ab33 20 static ticker_event_queue_t events = { 0 };
be_bryan 0:b74591d5ab33 21
be_bryan 0:b74591d5ab33 22 static ticker_irq_handler_type irq_handler = ticker_irq_handler;
be_bryan 0:b74591d5ab33 23
be_bryan 0:b74591d5ab33 24 static const ticker_interface_t lp_interface = {
be_bryan 0:b74591d5ab33 25 .init = lp_ticker_init,
be_bryan 0:b74591d5ab33 26 .read = lp_ticker_read,
be_bryan 0:b74591d5ab33 27 .disable_interrupt = lp_ticker_disable_interrupt,
be_bryan 0:b74591d5ab33 28 .clear_interrupt = lp_ticker_clear_interrupt,
be_bryan 0:b74591d5ab33 29 .set_interrupt = lp_ticker_set_interrupt,
be_bryan 0:b74591d5ab33 30 .fire_interrupt = lp_ticker_fire_interrupt,
be_bryan 0:b74591d5ab33 31 .get_info = lp_ticker_get_info,
be_bryan 0:b74591d5ab33 32 };
be_bryan 0:b74591d5ab33 33
be_bryan 0:b74591d5ab33 34 static const ticker_data_t lp_data = {
be_bryan 0:b74591d5ab33 35 .interface = &lp_interface,
be_bryan 0:b74591d5ab33 36 .queue = &events,
be_bryan 0:b74591d5ab33 37 };
be_bryan 0:b74591d5ab33 38
be_bryan 0:b74591d5ab33 39 const ticker_data_t* get_lp_ticker_data(void)
be_bryan 0:b74591d5ab33 40 {
be_bryan 0:b74591d5ab33 41 return &lp_data;
be_bryan 0:b74591d5ab33 42 }
be_bryan 0:b74591d5ab33 43
be_bryan 0:b74591d5ab33 44 ticker_irq_handler_type set_lp_ticker_irq_handler(ticker_irq_handler_type ticker_irq_handler)
be_bryan 0:b74591d5ab33 45 {
be_bryan 0:b74591d5ab33 46 ticker_irq_handler_type prev_irq_handler = irq_handler;
be_bryan 0:b74591d5ab33 47
be_bryan 0:b74591d5ab33 48 irq_handler = ticker_irq_handler;
be_bryan 0:b74591d5ab33 49
be_bryan 0:b74591d5ab33 50 return prev_irq_handler;
be_bryan 0:b74591d5ab33 51 }
be_bryan 0:b74591d5ab33 52
be_bryan 0:b74591d5ab33 53 void lp_ticker_irq_handler(void)
be_bryan 0:b74591d5ab33 54 {
be_bryan 0:b74591d5ab33 55 if (irq_handler) {
be_bryan 0:b74591d5ab33 56 irq_handler(&lp_data);
be_bryan 0:b74591d5ab33 57 }
be_bryan 0:b74591d5ab33 58 }
be_bryan 0:b74591d5ab33 59
be_bryan 0:b74591d5ab33 60 #endif