mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

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

hal/mbed_lp_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/lp_ticker_api.h"
AnnaBridge 188:bcfe06ba3d64 18 #include "hal/mbed_lp_ticker_wrapper.h"
<> 149:156823d33999 19
Anna Bridge 186:707f6e361f3e 20 #if DEVICE_LPTICKER
Anna Bridge 186:707f6e361f3e 21
AnnaBridge 167:e84263d55307 22 static ticker_event_queue_t events = { 0 };
<> 149:156823d33999 23
Anna Bridge 180:96ed750bd169 24 static ticker_irq_handler_type irq_handler = ticker_irq_handler;
Anna Bridge 180:96ed750bd169 25
<> 149:156823d33999 26 static const ticker_interface_t lp_interface = {
<> 149:156823d33999 27 .init = lp_ticker_init,
<> 149:156823d33999 28 .read = lp_ticker_read,
<> 149:156823d33999 29 .disable_interrupt = lp_ticker_disable_interrupt,
<> 149:156823d33999 30 .clear_interrupt = lp_ticker_clear_interrupt,
<> 149:156823d33999 31 .set_interrupt = lp_ticker_set_interrupt,
AnnaBridge 174:b96e65c34a4d 32 .fire_interrupt = lp_ticker_fire_interrupt,
Anna Bridge 180:96ed750bd169 33 .get_info = lp_ticker_get_info,
AnnaBridge 188:bcfe06ba3d64 34 .free = lp_ticker_free,
<> 149:156823d33999 35 };
<> 149:156823d33999 36
<> 149:156823d33999 37 static const ticker_data_t lp_data = {
<> 149:156823d33999 38 .interface = &lp_interface,
<> 149:156823d33999 39 .queue = &events,
<> 149:156823d33999 40 };
<> 149:156823d33999 41
AnnaBridge 187:0387e8f68319 42 const ticker_data_t *get_lp_ticker_data(void)
<> 149:156823d33999 43 {
AnnaBridge 188:bcfe06ba3d64 44 #if LPTICKER_DELAY_TICKS > 0
AnnaBridge 188:bcfe06ba3d64 45 return get_lp_ticker_wrapper_data(&lp_data);
AnnaBridge 188:bcfe06ba3d64 46 #else
<> 149:156823d33999 47 return &lp_data;
AnnaBridge 188:bcfe06ba3d64 48 #endif
<> 149:156823d33999 49 }
<> 149:156823d33999 50
Anna Bridge 180:96ed750bd169 51 ticker_irq_handler_type set_lp_ticker_irq_handler(ticker_irq_handler_type ticker_irq_handler)
Anna Bridge 180:96ed750bd169 52 {
Anna Bridge 180:96ed750bd169 53 ticker_irq_handler_type prev_irq_handler = irq_handler;
Anna Bridge 180:96ed750bd169 54
Anna Bridge 180:96ed750bd169 55 irq_handler = ticker_irq_handler;
Anna Bridge 180:96ed750bd169 56
Anna Bridge 180:96ed750bd169 57 return prev_irq_handler;
Anna Bridge 180:96ed750bd169 58 }
Anna Bridge 180:96ed750bd169 59
<> 149:156823d33999 60 void lp_ticker_irq_handler(void)
<> 149:156823d33999 61 {
AnnaBridge 188:bcfe06ba3d64 62 #if LPTICKER_DELAY_TICKS > 0
AnnaBridge 188:bcfe06ba3d64 63 lp_ticker_wrapper_irq_handler(irq_handler);
AnnaBridge 188:bcfe06ba3d64 64 #else
Anna Bridge 180:96ed750bd169 65 if (irq_handler) {
Anna Bridge 180:96ed750bd169 66 irq_handler(&lp_data);
Anna Bridge 180:96ed750bd169 67 }
AnnaBridge 188:bcfe06ba3d64 68 #endif
<> 149:156823d33999 69 }
<> 149:156823d33999 70
<> 149:156823d33999 71 #endif