Milen Pavlov / XRange_mbed_src

Mbed SDK for XRange SX1272 LoRa module

Dependents:   XRangePingPong XRange-LoRaWAN-lmic-app lora-transceiver

SX1272 LoRa RF module

https://www.netblocks.eu/xrange-sx1272-lora-datasheet/

common/Timer.cpp@339:ac6f3fd999f3, 2016-01-07 (annotated)

Committer:
netblocks
Date:
Thu Jan 07 13:01:25 2016 +0000
Revision:
339:ac6f3fd999f3
Parent:
336:1e18a06a987b 
HSE_VALUE set for XTAL 16Mhz

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dudmuck 336:1e18a06a987b 1 /* mbed Microcontroller Library
dudmuck 336:1e18a06a987b 2 * Copyright (c) 2006-2013 ARM Limited
dudmuck 336:1e18a06a987b 3 *
dudmuck 336:1e18a06a987b 4 * Licensed under the Apache License, Version 2.0 (the "License");
dudmuck 336:1e18a06a987b 5 * you may not use this file except in compliance with the License.
dudmuck 336:1e18a06a987b 6 * You may obtain a copy of the License at
dudmuck 336:1e18a06a987b 7 *
dudmuck 336:1e18a06a987b 8 * http://www.apache.org/licenses/LICENSE-2.0
dudmuck 336:1e18a06a987b 9 *
dudmuck 336:1e18a06a987b 10 * Unless required by applicable law or agreed to in writing, software
dudmuck 336:1e18a06a987b 11 * distributed under the License is distributed on an "AS IS" BASIS,
dudmuck 336:1e18a06a987b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dudmuck 336:1e18a06a987b 13 * See the License for the specific language governing permissions and
dudmuck 336:1e18a06a987b 14 * limitations under the License.
dudmuck 336:1e18a06a987b 15 */
dudmuck 336:1e18a06a987b 16 #include "Timer.h"
dudmuck 336:1e18a06a987b 17 #include "us_ticker_api.h"
dudmuck 336:1e18a06a987b 18
dudmuck 336:1e18a06a987b 19 namespace mbed {
dudmuck 336:1e18a06a987b 20
dudmuck 336:1e18a06a987b 21 Timer::Timer() : _running(), _start(), _time() {
dudmuck 336:1e18a06a987b 22 reset();
dudmuck 336:1e18a06a987b 23 }
dudmuck 336:1e18a06a987b 24
dudmuck 336:1e18a06a987b 25 void Timer::start() {
dudmuck 336:1e18a06a987b 26 if (!_running) {
dudmuck 336:1e18a06a987b 27 _start = us_ticker_read();
dudmuck 336:1e18a06a987b 28 _running = 1;
dudmuck 336:1e18a06a987b 29 }
dudmuck 336:1e18a06a987b 30 }
dudmuck 336:1e18a06a987b 31
dudmuck 336:1e18a06a987b 32 void Timer::stop() {
dudmuck 336:1e18a06a987b 33 _time += slicetime();
dudmuck 336:1e18a06a987b 34 _running = 0;
dudmuck 336:1e18a06a987b 35 }
dudmuck 336:1e18a06a987b 36
dudmuck 336:1e18a06a987b 37 int Timer::read_us() {
dudmuck 336:1e18a06a987b 38 return _time + slicetime();
dudmuck 336:1e18a06a987b 39 }
dudmuck 336:1e18a06a987b 40
dudmuck 336:1e18a06a987b 41 float Timer::read() {
dudmuck 336:1e18a06a987b 42 return (float)read_us() / 1000000.0f;
dudmuck 336:1e18a06a987b 43 }
dudmuck 336:1e18a06a987b 44
dudmuck 336:1e18a06a987b 45 int Timer::read_ms() {
dudmuck 336:1e18a06a987b 46 return read_us() / 1000;
dudmuck 336:1e18a06a987b 47 }
dudmuck 336:1e18a06a987b 48
dudmuck 336:1e18a06a987b 49 int Timer::slicetime() {
dudmuck 336:1e18a06a987b 50 if (_running) {
dudmuck 336:1e18a06a987b 51 return us_ticker_read() - _start;
dudmuck 336:1e18a06a987b 52 } else {
dudmuck 336:1e18a06a987b 53 return 0;
dudmuck 336:1e18a06a987b 54 }
dudmuck 336:1e18a06a987b 55 }
dudmuck 336:1e18a06a987b 56
dudmuck 336:1e18a06a987b 57 void Timer::reset() {
dudmuck 336:1e18a06a987b 58 _start = us_ticker_read();
dudmuck 336:1e18a06a987b 59 _time = 0;
dudmuck 336:1e18a06a987b 60 }
dudmuck 336:1e18a06a987b 61
dudmuck 336:1e18a06a987b 62 #ifdef MBED_OPERATORS
dudmuck 336:1e18a06a987b 63 Timer::operator float() {
dudmuck 336:1e18a06a987b 64 return read();
dudmuck 336:1e18a06a987b 65 }
dudmuck 336:1e18a06a987b 66 #endif
dudmuck 336:1e18a06a987b 67
dudmuck 336:1e18a06a987b 68 } // namespace mbed