Josh Curry / Mbed 2 deprecated simple-demo-76

Simple implementation of LoRaWAN-demo-76 by Semtech.

Dependencies:   mbed LoRaWAN-lib SX1276Lib

Dependents:   simple-demo-76_revised_20171113 simple-demo-76_revised_20171208

Fork of LoRaWAN-demo-76 by Semtech

system/timer.cpp@10:9364ab3a08eb, 2017-10-30 (annotated)

Committer:
joshcurry
Date:
Mon Oct 30 10:51:44 2017 +0000
Revision:
10:9364ab3a08eb
Parent:
9:ee9dcbb9708d 
Simplified Code;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mluis 1:352f608c3337 1 /*
mluis 1:352f608c3337 2 / _____) _ | |
mluis 1:352f608c3337 3 ( (____ _____ ____ _| |_ _____ ____| |__
mluis 1:352f608c3337 4 \____ \| ___ | (_ _) ___ |/ ___) _ \
mluis 1:352f608c3337 5 _____) ) ____| | | || |_| ____( (___| | | |
mluis 1:352f608c3337 6 (______/|_____)_|_|_| \__)_____)\____)_| |_|
mluis 1:352f608c3337 7 (C)2013 Semtech
mluis 1:352f608c3337 8
mluis 1:352f608c3337 9 Description: Timer objects and scheduling management
mluis 1:352f608c3337 10
mluis 1:352f608c3337 11 License: Revised BSD License, see LICENSE.TXT file include in the project
mluis 1:352f608c3337 12
mluis 1:352f608c3337 13 Maintainer: Miguel Luis and Gregory Cristian
mluis 1:352f608c3337 14 */
mluis 1:352f608c3337 15 #include "board.h"
mluis 1:352f608c3337 16
mluis 1:352f608c3337 17 Timer TimeCounter;
mluis 1:352f608c3337 18 Ticker LoadTimeCounter;
mluis 1:352f608c3337 19
mluis 9:ee9dcbb9708d 20 volatile uint32_t CurrentTime = 0;
mluis 1:352f608c3337 21
mluis 1:352f608c3337 22 void TimerResetTimeCounter( void )
mluis 1:352f608c3337 23 {
mluis 9:ee9dcbb9708d 24 CurrentTime = CurrentTime + TimeCounter.read_us( ) / 1e3;
mluis 1:352f608c3337 25 TimeCounter.reset( );
mluis 1:352f608c3337 26 TimeCounter.start( );
mluis 1:352f608c3337 27 }
mluis 1:352f608c3337 28
mluis 1:352f608c3337 29 void TimerTimeCounterInit( void )
mluis 1:352f608c3337 30 {
mluis 1:352f608c3337 31 TimeCounter.start( );
mluis 9:ee9dcbb9708d 32 LoadTimeCounter.attach( mbed::callback( &TimerResetTimeCounter ), 10 );
mluis 1:352f608c3337 33 }
mluis 1:352f608c3337 34
mluis 1:352f608c3337 35 TimerTime_t TimerGetCurrentTime( void )
mluis 1:352f608c3337 36 {
mluis 9:ee9dcbb9708d 37 CurrentTime += TimeCounter.read_us( ) / 1e3;
mluis 1:352f608c3337 38 TimeCounter.reset( );
mluis 1:352f608c3337 39 TimeCounter.start( );
mluis 1:352f608c3337 40 return ( ( TimerTime_t )CurrentTime );
mluis 1:352f608c3337 41 }
mluis 1:352f608c3337 42
mluis 5:1e9f6a365854 43 TimerTime_t TimerGetElapsedTime( TimerTime_t savedTime )
mluis 5:1e9f6a365854 44 {
mluis 9:ee9dcbb9708d 45 CurrentTime += TimeCounter.read_us( ) / 1e3;
mluis 5:1e9f6a365854 46 TimeCounter.reset( );
mluis 5:1e9f6a365854 47 TimeCounter.start( );
mluis 5:1e9f6a365854 48 return ( TimerTime_t )( CurrentTime - savedTime );
mluis 5:1e9f6a365854 49 }
mluis 5:1e9f6a365854 50
mluis 5:1e9f6a365854 51 TimerTime_t TimerGetFutureTime( TimerTime_t eventInFuture )
mluis 5:1e9f6a365854 52 {
mluis 9:ee9dcbb9708d 53 CurrentTime += TimeCounter.read_us( ) / 1e3;
mluis 5:1e9f6a365854 54 TimeCounter.reset( );
mluis 5:1e9f6a365854 55 TimeCounter.start( );
mluis 5:1e9f6a365854 56 return ( TimerTime_t )( CurrentTime + eventInFuture );
mluis 5:1e9f6a365854 57 }
mluis 5:1e9f6a365854 58
mluis 1:352f608c3337 59 void TimerInit( TimerEvent_t *obj, void ( *callback )( void ) )
mluis 1:352f608c3337 60 {
mluis 1:352f608c3337 61 obj->value = 0;
mluis 1:352f608c3337 62 obj->Callback = callback;
mluis 1:352f608c3337 63 }
mluis 1:352f608c3337 64
mluis 1:352f608c3337 65 void TimerStart( TimerEvent_t *obj )
mluis 1:352f608c3337 66 {
mluis 9:ee9dcbb9708d 67 obj->Timer.attach_us( mbed::callback( obj->Callback ), obj->value * 1e3 );
mluis 1:352f608c3337 68 }
mluis 1:352f608c3337 69
mluis 1:352f608c3337 70 void TimerStop( TimerEvent_t *obj )
mluis 1:352f608c3337 71 {
mluis 1:352f608c3337 72 obj->Timer.detach( );
mluis 1:352f608c3337 73 }
mluis 1:352f608c3337 74
mluis 1:352f608c3337 75 void TimerSetValue( TimerEvent_t *obj, uint32_t value )
mluis 1:352f608c3337 76 {
mluis 1:352f608c3337 77 obj->value = value;
mluis 1:352f608c3337 78 }