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Dependencies: X_NUCLEO_IKS01A1 LoRaWAN-lib SX1276Lib mbed
system/timer.cpp@0:42863a11464a, 2016-08-26 (annotated)
- Committer:
- ubhat
- Date:
- Fri Aug 26 19:36:35 2016 +0000
- Revision:
- 0:42863a11464a
SX1276 Shield based Applications
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ubhat | 0:42863a11464a | 1 | /* |
ubhat | 0:42863a11464a | 2 | / _____) _ | | |
ubhat | 0:42863a11464a | 3 | ( (____ _____ ____ _| |_ _____ ____| |__ |
ubhat | 0:42863a11464a | 4 | \____ \| ___ | (_ _) ___ |/ ___) _ \ |
ubhat | 0:42863a11464a | 5 | _____) ) ____| | | || |_| ____( (___| | | | |
ubhat | 0:42863a11464a | 6 | (______/|_____)_|_|_| \__)_____)\____)_| |_| |
ubhat | 0:42863a11464a | 7 | (C)2013 Semtech |
ubhat | 0:42863a11464a | 8 | |
ubhat | 0:42863a11464a | 9 | Description: Timer objects and scheduling management |
ubhat | 0:42863a11464a | 10 | |
ubhat | 0:42863a11464a | 11 | License: Revised BSD License, see LICENSE.TXT file include in the project |
ubhat | 0:42863a11464a | 12 | |
ubhat | 0:42863a11464a | 13 | Maintainer: Miguel Luis and Gregory Cristian |
ubhat | 0:42863a11464a | 14 | */ |
ubhat | 0:42863a11464a | 15 | #include "board.h" |
ubhat | 0:42863a11464a | 16 | |
ubhat | 0:42863a11464a | 17 | Timer TimeCounter; |
ubhat | 0:42863a11464a | 18 | Ticker LoadTimeCounter; |
ubhat | 0:42863a11464a | 19 | |
ubhat | 0:42863a11464a | 20 | volatile uint32_t CurrentTime = 0; |
ubhat | 0:42863a11464a | 21 | |
ubhat | 0:42863a11464a | 22 | void TimerResetTimeCounter( void ) |
ubhat | 0:42863a11464a | 23 | { |
ubhat | 0:42863a11464a | 24 | CurrentTime = CurrentTime + TimeCounter.read_us( ); |
ubhat | 0:42863a11464a | 25 | TimeCounter.reset( ); |
ubhat | 0:42863a11464a | 26 | TimeCounter.start( ); |
ubhat | 0:42863a11464a | 27 | } |
ubhat | 0:42863a11464a | 28 | |
ubhat | 0:42863a11464a | 29 | void TimerTimeCounterInit( void ) |
ubhat | 0:42863a11464a | 30 | { |
ubhat | 0:42863a11464a | 31 | TimeCounter.start( ); |
ubhat | 0:42863a11464a | 32 | LoadTimeCounter.attach( &TimerResetTimeCounter, 10 ); |
ubhat | 0:42863a11464a | 33 | } |
ubhat | 0:42863a11464a | 34 | |
ubhat | 0:42863a11464a | 35 | TimerTime_t TimerGetCurrentTime( void ) |
ubhat | 0:42863a11464a | 36 | { |
ubhat | 0:42863a11464a | 37 | CurrentTime += TimeCounter.read_us( ); |
ubhat | 0:42863a11464a | 38 | TimeCounter.reset( ); |
ubhat | 0:42863a11464a | 39 | TimeCounter.start( ); |
ubhat | 0:42863a11464a | 40 | return ( ( TimerTime_t )CurrentTime ); |
ubhat | 0:42863a11464a | 41 | } |
ubhat | 0:42863a11464a | 42 | |
ubhat | 0:42863a11464a | 43 | TimerTime_t TimerGetElapsedTime( TimerTime_t savedTime ) |
ubhat | 0:42863a11464a | 44 | { |
ubhat | 0:42863a11464a | 45 | CurrentTime += TimeCounter.read_us( ); |
ubhat | 0:42863a11464a | 46 | TimeCounter.reset( ); |
ubhat | 0:42863a11464a | 47 | TimeCounter.start( ); |
ubhat | 0:42863a11464a | 48 | return ( TimerTime_t )( CurrentTime - savedTime ); |
ubhat | 0:42863a11464a | 49 | } |
ubhat | 0:42863a11464a | 50 | |
ubhat | 0:42863a11464a | 51 | TimerTime_t TimerGetFutureTime( TimerTime_t eventInFuture ) |
ubhat | 0:42863a11464a | 52 | { |
ubhat | 0:42863a11464a | 53 | CurrentTime += TimeCounter.read_us( ); |
ubhat | 0:42863a11464a | 54 | TimeCounter.reset( ); |
ubhat | 0:42863a11464a | 55 | TimeCounter.start( ); |
ubhat | 0:42863a11464a | 56 | return ( TimerTime_t )( CurrentTime + eventInFuture ); |
ubhat | 0:42863a11464a | 57 | } |
ubhat | 0:42863a11464a | 58 | |
ubhat | 0:42863a11464a | 59 | void TimerInit( TimerEvent_t *obj, void ( *callback )( void ) ) |
ubhat | 0:42863a11464a | 60 | { |
ubhat | 0:42863a11464a | 61 | obj->value = 0; |
ubhat | 0:42863a11464a | 62 | obj->Callback = callback; |
ubhat | 0:42863a11464a | 63 | } |
ubhat | 0:42863a11464a | 64 | |
ubhat | 0:42863a11464a | 65 | void TimerStart( TimerEvent_t *obj ) |
ubhat | 0:42863a11464a | 66 | { |
ubhat | 0:42863a11464a | 67 | obj->Timer.attach_us( obj->Callback, obj->value ); |
ubhat | 0:42863a11464a | 68 | } |
ubhat | 0:42863a11464a | 69 | |
ubhat | 0:42863a11464a | 70 | void TimerStop( TimerEvent_t *obj ) |
ubhat | 0:42863a11464a | 71 | { |
ubhat | 0:42863a11464a | 72 | obj->Timer.detach( ); |
ubhat | 0:42863a11464a | 73 | } |
ubhat | 0:42863a11464a | 74 | |
ubhat | 0:42863a11464a | 75 | void TimerSetValue( TimerEvent_t *obj, uint32_t value ) |
ubhat | 0:42863a11464a | 76 | { |
ubhat | 0:42863a11464a | 77 | obj->value = value; |
ubhat | 0:42863a11464a | 78 | } |