wayne roberts / Mbed 2 deprecated LoRaWAN-demo-72-bootcamp

application layer with: button, LED, pot, tempSense

Dependencies:   mbed SX1272Lib

Fork of LoRaWAN-demo-72-bootcamp by Semtech

Use with sx1272 shield with grove peripherals connected:

D8 D9: ButtonRX TXA3 A4: TempSense
D6 D7:SCL SDA : LEDA1 A2: Pot

Button

Sends to different payloads: short press (under 1 sec)
long press: held down > 1 sec.

serial console keys

115200bps, 8N1
Enter key not used
Keys '0' to '3': cayenne channel number
'0': pot (rotary sensor)
'1': temperature
' 2': digital out
'3': analog out

system/timer.cpp

Committer:
Wayne Roberts
Date:
2018-02-20
Revision:
14:f8c7c85fc8e8
Parent:
9:0083afd69815

File content as of revision 14:f8c7c85fc8e8:

/*
 / _____)             _              | |
( (____  _____ ____ _| |_ _____  ____| |__
 \____ \| ___ |    (_   _) ___ |/ ___)  _ \
 _____) ) ____| | | || |_| ____( (___| | | |
(______/|_____)_|_|_| \__)_____)\____)_| |_|
    (C)2013 Semtech

Description: Timer objects and scheduling management

License: Revised BSD License, see LICENSE.TXT file include in the project

Maintainer: Miguel Luis and Gregory Cristian
*/
#include "board.h"

Timer TimeCounter;
Ticker LoadTimeCounter;

volatile uint32_t CurrentTime = 0;

void TimerResetTimeCounter( void )
{
    CurrentTime = CurrentTime + TimeCounter.read_us( ) / 1e3;
    TimeCounter.reset( );
    TimeCounter.start( );
}

void TimerTimeCounterInit( void )
{
    TimeCounter.start( );
    LoadTimeCounter.attach( mbed::callback( &TimerResetTimeCounter ), 10 );
}

TimerTime_t TimerGetCurrentTime( void )
{
    CurrentTime += TimeCounter.read_us( ) / 1e3;
    TimeCounter.reset( );
    TimeCounter.start( );
    return ( ( TimerTime_t )CurrentTime );
}

TimerTime_t TimerGetElapsedTime( TimerTime_t savedTime )
{
    CurrentTime += TimeCounter.read_us( ) / 1e3;
    TimeCounter.reset( );
    TimeCounter.start( );
    return ( TimerTime_t )( CurrentTime - savedTime );
}

TimerTime_t TimerGetFutureTime( TimerTime_t eventInFuture )
{
    CurrentTime += TimeCounter.read_us( ) / 1e3;
    TimeCounter.reset( );
    TimeCounter.start( );
    return ( TimerTime_t )( CurrentTime + eventInFuture );
}

void TimerInit( TimerEvent_t *obj, void ( *callback )( void ) )
{
    obj->value = 0;
    obj->Callback = callback;
}

void TimerStart( TimerEvent_t *obj )
{
    obj->Timer.attach_us( mbed::callback( obj->Callback ), obj->value * 1e3 );
}

void TimerStop( TimerEvent_t *obj )
{
    obj->Timer.detach( );
}

void TimerSetValue( TimerEvent_t *obj, uint32_t value )
{
    obj->value = value;
}