mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

hal/mbed_us_ticker_api.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
188:bcfe06ba3d64 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 149:156823d33999 1 /* mbed Microcontroller Library
<> 149:156823d33999 2 * Copyright (c) 2015 ARM Limited
AnnaBridge 189:f392fc9709a3 3 * SPDX-License-Identifier: Apache-2.0
<> 149:156823d33999 4 *
<> 149:156823d33999 5 * Licensed under the Apache License, Version 2.0 (the "License");
<> 149:156823d33999 6 * you may not use this file except in compliance with the License.
<> 149:156823d33999 7 * You may obtain a copy of the License at
<> 149:156823d33999 8 *
<> 149:156823d33999 9 * http://www.apache.org/licenses/LICENSE-2.0
<> 149:156823d33999 10 *
<> 149:156823d33999 11 * Unless required by applicable law or agreed to in writing, software
<> 149:156823d33999 12 * distributed under the License is distributed on an "AS IS" BASIS,
<> 149:156823d33999 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 149:156823d33999 14 * See the License for the specific language governing permissions and
<> 149:156823d33999 15 * limitations under the License.
<> 149:156823d33999 16 */
<> 149:156823d33999 17 #include "hal/us_ticker_api.h"
<> 149:156823d33999 18
AnnaBridge 167:e84263d55307 19 static ticker_event_queue_t events = { 0 };
<> 149:156823d33999 20
Anna Bridge 180:96ed750bd169 21 static ticker_irq_handler_type irq_handler = ticker_irq_handler;
Anna Bridge 180:96ed750bd169 22
<> 149:156823d33999 23 static const ticker_interface_t us_interface = {
<> 149:156823d33999 24 .init = us_ticker_init,
<> 149:156823d33999 25 .read = us_ticker_read,
<> 149:156823d33999 26 .disable_interrupt = us_ticker_disable_interrupt,
<> 149:156823d33999 27 .clear_interrupt = us_ticker_clear_interrupt,
<> 149:156823d33999 28 .set_interrupt = us_ticker_set_interrupt,
AnnaBridge 174:b96e65c34a4d 29 .fire_interrupt = us_ticker_fire_interrupt,
Anna Bridge 180:96ed750bd169 30 .get_info = us_ticker_get_info,
AnnaBridge 188:bcfe06ba3d64 31 .free = us_ticker_free,
<> 149:156823d33999 32 };
<> 149:156823d33999 33
<> 149:156823d33999 34 static const ticker_data_t us_data = {
<> 149:156823d33999 35 .interface = &us_interface,
AnnaBridge 167:e84263d55307 36 .queue = &events
<> 149:156823d33999 37 };
<> 149:156823d33999 38
AnnaBridge 187:0387e8f68319 39 const ticker_data_t *get_us_ticker_data(void)
<> 149:156823d33999 40 {
<> 149:156823d33999 41 return &us_data;
<> 149:156823d33999 42 }
<> 149:156823d33999 43
Anna Bridge 180:96ed750bd169 44 ticker_irq_handler_type set_us_ticker_irq_handler(ticker_irq_handler_type ticker_irq_handler)
Anna Bridge 180:96ed750bd169 45 {
Anna Bridge 180:96ed750bd169 46 ticker_irq_handler_type prev_irq_handler = irq_handler;
Anna Bridge 180:96ed750bd169 47
Anna Bridge 180:96ed750bd169 48 irq_handler = ticker_irq_handler;
Anna Bridge 180:96ed750bd169 49
Anna Bridge 180:96ed750bd169 50 return prev_irq_handler;
Anna Bridge 180:96ed750bd169 51 }
Anna Bridge 180:96ed750bd169 52
<> 149:156823d33999 53 void us_ticker_irq_handler(void)
<> 149:156823d33999 54 {
Anna Bridge 180:96ed750bd169 55 if (irq_handler) {
Anna Bridge 180:96ed750bd169 56 irq_handler(&us_data);
Anna Bridge 180:96ed750bd169 57 }
<> 149:156823d33999 58 }