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@188:bcfe06ba3d64, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:46:34 2018 +0000
Revision:
188:bcfe06ba3d64
Parent:
187:0387e8f68319
Child:
189:f392fc9709a3
mbed-dev library. Release version 164

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