mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
hal/mbed_lp_ticker_wrapper.cpp@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?
User | Revision | Line number | New contents of line |
---|---|---|---|
Anna Bridge |
186:707f6e361f3e | 1 | /* mbed Microcontroller Library |
Anna Bridge |
186:707f6e361f3e | 2 | * Copyright (c) 2018 ARM Limited |
AnnaBridge | 189:f392fc9709a3 | 3 | * SPDX-License-Identifier: Apache-2.0 |
Anna Bridge |
186:707f6e361f3e | 4 | * |
Anna Bridge |
186:707f6e361f3e | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Anna Bridge |
186:707f6e361f3e | 6 | * you may not use this file except in compliance with the License. |
Anna Bridge |
186:707f6e361f3e | 7 | * You may obtain a copy of the License at |
Anna Bridge |
186:707f6e361f3e | 8 | * |
Anna Bridge |
186:707f6e361f3e | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
Anna Bridge |
186:707f6e361f3e | 10 | * |
Anna Bridge |
186:707f6e361f3e | 11 | * Unless required by applicable law or agreed to in writing, software |
Anna Bridge |
186:707f6e361f3e | 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
Anna Bridge |
186:707f6e361f3e | 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Anna Bridge |
186:707f6e361f3e | 14 | * See the License for the specific language governing permissions and |
Anna Bridge |
186:707f6e361f3e | 15 | * limitations under the License. |
Anna Bridge |
186:707f6e361f3e | 16 | */ |
AnnaBridge | 188:bcfe06ba3d64 | 17 | #include "hal/mbed_lp_ticker_wrapper.h" |
Anna Bridge |
186:707f6e361f3e | 18 | |
Anna Bridge |
186:707f6e361f3e | 19 | #if DEVICE_LPTICKER && (LPTICKER_DELAY_TICKS > 0) |
Anna Bridge |
186:707f6e361f3e | 20 | |
AnnaBridge | 188:bcfe06ba3d64 | 21 | #include "hal/LowPowerTickerWrapper.h" |
AnnaBridge | 188:bcfe06ba3d64 | 22 | #include "platform/mbed_critical.h" |
Anna Bridge |
186:707f6e361f3e | 23 | |
Anna Bridge |
186:707f6e361f3e | 24 | // Do not use SingletonPtr since this must be initialized in a critical section |
AnnaBridge | 188:bcfe06ba3d64 | 25 | static LowPowerTickerWrapper *ticker_wrapper; |
AnnaBridge | 188:bcfe06ba3d64 | 26 | static uint64_t ticker_wrapper_data[(sizeof(LowPowerTickerWrapper) + 7) / 8]; |
AnnaBridge | 188:bcfe06ba3d64 | 27 | static bool init = false; |
Anna Bridge |
186:707f6e361f3e | 28 | |
AnnaBridge | 188:bcfe06ba3d64 | 29 | static void lp_ticker_wrapper_init() |
Anna Bridge |
186:707f6e361f3e | 30 | { |
AnnaBridge | 188:bcfe06ba3d64 | 31 | ticker_wrapper->init(); |
AnnaBridge | 188:bcfe06ba3d64 | 32 | } |
Anna Bridge |
186:707f6e361f3e | 33 | |
AnnaBridge | 188:bcfe06ba3d64 | 34 | static uint32_t lp_ticker_wrapper_read() |
AnnaBridge | 188:bcfe06ba3d64 | 35 | { |
AnnaBridge | 188:bcfe06ba3d64 | 36 | return ticker_wrapper->read(); |
AnnaBridge | 188:bcfe06ba3d64 | 37 | } |
Anna Bridge |
186:707f6e361f3e | 38 | |
AnnaBridge | 188:bcfe06ba3d64 | 39 | static void lp_ticker_wrapper_set_interrupt(timestamp_t timestamp) |
AnnaBridge | 188:bcfe06ba3d64 | 40 | { |
AnnaBridge | 188:bcfe06ba3d64 | 41 | ticker_wrapper->set_interrupt(timestamp); |
AnnaBridge | 188:bcfe06ba3d64 | 42 | } |
Anna Bridge |
186:707f6e361f3e | 43 | |
AnnaBridge | 188:bcfe06ba3d64 | 44 | static void lp_ticker_wrapper_disable_interrupt() |
AnnaBridge | 188:bcfe06ba3d64 | 45 | { |
AnnaBridge | 188:bcfe06ba3d64 | 46 | ticker_wrapper->disable_interrupt(); |
Anna Bridge |
186:707f6e361f3e | 47 | } |
Anna Bridge |
186:707f6e361f3e | 48 | |
AnnaBridge | 188:bcfe06ba3d64 | 49 | static void lp_ticker_wrapper_clear_interrupt() |
AnnaBridge | 188:bcfe06ba3d64 | 50 | { |
AnnaBridge | 188:bcfe06ba3d64 | 51 | ticker_wrapper->clear_interrupt(); |
AnnaBridge | 188:bcfe06ba3d64 | 52 | } |
AnnaBridge | 188:bcfe06ba3d64 | 53 | |
AnnaBridge | 188:bcfe06ba3d64 | 54 | static void lp_ticker_wrapper_fire_interrupt() |
Anna Bridge |
186:707f6e361f3e | 55 | { |
AnnaBridge | 188:bcfe06ba3d64 | 56 | ticker_wrapper->fire_interrupt(); |
AnnaBridge | 188:bcfe06ba3d64 | 57 | } |
AnnaBridge | 188:bcfe06ba3d64 | 58 | |
AnnaBridge | 188:bcfe06ba3d64 | 59 | static const ticker_info_t *lp_ticker_wrapper_get_info() |
AnnaBridge | 188:bcfe06ba3d64 | 60 | { |
AnnaBridge | 188:bcfe06ba3d64 | 61 | return ticker_wrapper->get_info(); |
Anna Bridge |
186:707f6e361f3e | 62 | } |
Anna Bridge |
186:707f6e361f3e | 63 | |
AnnaBridge | 188:bcfe06ba3d64 | 64 | static void lp_ticker_wrapper_free() |
AnnaBridge | 188:bcfe06ba3d64 | 65 | { |
AnnaBridge | 188:bcfe06ba3d64 | 66 | ticker_wrapper->free(); |
AnnaBridge | 188:bcfe06ba3d64 | 67 | } |
AnnaBridge | 188:bcfe06ba3d64 | 68 | |
AnnaBridge | 188:bcfe06ba3d64 | 69 | static const ticker_interface_t lp_interface = { |
AnnaBridge | 188:bcfe06ba3d64 | 70 | lp_ticker_wrapper_init, |
AnnaBridge | 188:bcfe06ba3d64 | 71 | lp_ticker_wrapper_read, |
AnnaBridge | 188:bcfe06ba3d64 | 72 | lp_ticker_wrapper_disable_interrupt, |
AnnaBridge | 188:bcfe06ba3d64 | 73 | lp_ticker_wrapper_clear_interrupt, |
AnnaBridge | 188:bcfe06ba3d64 | 74 | lp_ticker_wrapper_set_interrupt, |
AnnaBridge | 188:bcfe06ba3d64 | 75 | lp_ticker_wrapper_fire_interrupt, |
AnnaBridge | 188:bcfe06ba3d64 | 76 | lp_ticker_wrapper_free, |
AnnaBridge | 188:bcfe06ba3d64 | 77 | lp_ticker_wrapper_get_info |
AnnaBridge | 188:bcfe06ba3d64 | 78 | }; |
AnnaBridge | 188:bcfe06ba3d64 | 79 | |
AnnaBridge | 188:bcfe06ba3d64 | 80 | void lp_ticker_wrapper_irq_handler(ticker_irq_handler_type handler) |
Anna Bridge |
186:707f6e361f3e | 81 | { |
Anna Bridge |
186:707f6e361f3e | 82 | core_util_critical_section_enter(); |
Anna Bridge |
186:707f6e361f3e | 83 | |
AnnaBridge | 188:bcfe06ba3d64 | 84 | if (!init) { |
AnnaBridge | 188:bcfe06ba3d64 | 85 | // Force ticker to initialize |
AnnaBridge | 188:bcfe06ba3d64 | 86 | get_lp_ticker_data(); |
Anna Bridge |
186:707f6e361f3e | 87 | } |
AnnaBridge | 188:bcfe06ba3d64 | 88 | |
AnnaBridge | 188:bcfe06ba3d64 | 89 | ticker_wrapper->irq_handler(handler); |
Anna Bridge |
186:707f6e361f3e | 90 | |
Anna Bridge |
186:707f6e361f3e | 91 | core_util_critical_section_exit(); |
Anna Bridge |
186:707f6e361f3e | 92 | } |
Anna Bridge |
186:707f6e361f3e | 93 | |
AnnaBridge | 188:bcfe06ba3d64 | 94 | const ticker_data_t *get_lp_ticker_wrapper_data(const ticker_data_t *data) |
Anna Bridge |
186:707f6e361f3e | 95 | { |
Anna Bridge |
186:707f6e361f3e | 96 | core_util_critical_section_enter(); |
Anna Bridge |
186:707f6e361f3e | 97 | |
Anna Bridge |
186:707f6e361f3e | 98 | if (!init) { |
AnnaBridge | 188:bcfe06ba3d64 | 99 | ticker_wrapper = new (ticker_wrapper_data) LowPowerTickerWrapper(data, &lp_interface, LPTICKER_DELAY_TICKS, LPTICKER_DELAY_TICKS); |
Anna Bridge |
186:707f6e361f3e | 100 | init = true; |
Anna Bridge |
186:707f6e361f3e | 101 | } |
Anna Bridge |
186:707f6e361f3e | 102 | |
AnnaBridge | 188:bcfe06ba3d64 | 103 | core_util_critical_section_exit(); |
AnnaBridge | 188:bcfe06ba3d64 | 104 | |
AnnaBridge | 188:bcfe06ba3d64 | 105 | return &ticker_wrapper->data; |
AnnaBridge | 188:bcfe06ba3d64 | 106 | } |
AnnaBridge | 188:bcfe06ba3d64 | 107 | |
AnnaBridge | 188:bcfe06ba3d64 | 108 | void lp_ticker_wrapper_suspend() |
AnnaBridge | 188:bcfe06ba3d64 | 109 | { |
AnnaBridge | 188:bcfe06ba3d64 | 110 | if (!init) { |
AnnaBridge | 188:bcfe06ba3d64 | 111 | // Force ticker to initialize |
AnnaBridge | 188:bcfe06ba3d64 | 112 | get_lp_ticker_data(); |
Anna Bridge |
186:707f6e361f3e | 113 | } |
Anna Bridge |
186:707f6e361f3e | 114 | |
AnnaBridge | 188:bcfe06ba3d64 | 115 | ticker_wrapper->suspend(); |
AnnaBridge | 188:bcfe06ba3d64 | 116 | } |
AnnaBridge | 188:bcfe06ba3d64 | 117 | |
AnnaBridge | 188:bcfe06ba3d64 | 118 | void lp_ticker_wrapper_resume() |
AnnaBridge | 188:bcfe06ba3d64 | 119 | { |
AnnaBridge | 188:bcfe06ba3d64 | 120 | if (!init) { |
AnnaBridge | 188:bcfe06ba3d64 | 121 | // Force ticker to initialize |
AnnaBridge | 188:bcfe06ba3d64 | 122 | get_lp_ticker_data(); |
Anna Bridge |
186:707f6e361f3e | 123 | } |
Anna Bridge |
186:707f6e361f3e | 124 | |
AnnaBridge | 188:bcfe06ba3d64 | 125 | ticker_wrapper->resume(); |
Anna Bridge |
186:707f6e361f3e | 126 | } |
Anna Bridge |
186:707f6e361f3e | 127 | |
Anna Bridge |
186:707f6e361f3e | 128 | #endif |