/**
* Main application entry point.
*/
int main( void )
{
#if( OVER_THE_AIR_ACTIVATION != 0 )
uint8_t sendFrameStatus = 0;
#endif
bool trySendingFrameAgain = false;
// float tempLightValue = 0;
// LightMode = 0; // 0: manual, 1: automatic
buzzer = 0; // 0: OFF, 1: ON
bar.setLevel(0);
debug( "\n\n\r LoRaWAN Class A Demo code \n\n\r" );
BoardInitMcu( );
BoardInitPeriph( );
// Initialize LoRaMac device unique ID
BoardGetUniqueId( DevEui );
LoRaMacEvents.MacEvent = OnMacEvent;
LoRaMacInit( &LoRaMacEvents );
IsNetworkJoined = false;
#if( OVER_THE_AIR_ACTIVATION == 0 )
// Random seed initialization
srand( RAND_SEED );
// Choose a random device address
// NwkID = 0
// NwkAddr rand [0, 33554431]
if( ( DevAddr == 0 ) || ( DevAddr == 0xFFFFFFFF ) )
{
// Generate random DevAddr if it does not exist
debug("Generate random DevAddr\n\r");
DevAddr = randr( 0, 0x01FFFFFF );
}
debug( "- DevAddr = 0x%x\n\r" , DevAddr);
LoRaMacInitNwkIds( 0x000000, DevAddr, NwkSKey, AppSKey );
IsNetworkJoined = true;
#endif
TxNextPacket = true;
LoRaMacSetAdrOn( false );
LoRaMacSetDutyCycleOn( false );
while( 1 )
{
while( IsNetworkJoined == false )
{
#if( OVER_THE_AIR_ACTIVATION != 0 )
if( TxNextPacket == true )
{
TxNextPacket = false;
sendFrameStatus = LoRaMacJoinReq( DevEui, AppEui, AppKey );
debug("Req Sent\n\r");
switch( sendFrameStatus )
{
case 1: // BUSY
break;
case 0: // OK
case 2: // NO_NETWORK_JOINED
case 3: // LENGTH_PORT_ERROR
case 4: // MAC_CMD_ERROR
case 6: // DEVICE_OFF
default:
// Relaunch timer for next trial
JoinReqTimer.attach_us( &OnJoinReqTimerEvent, OVER_THE_AIR_ACTIVATION_DUTYCYCLE );
break;
}
}
// TimerLowPowerHandler( );
#endif
}
if( TxDone == true )
{
TxDone = false;
debug( "TxDone \n\n\r" );
// Schedule next packet transmission
TxDutyCycleTime = APP_TX_DUTYCYCLE + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND );
TxNextPacketTimer.attach_us( &OnTxNextPacketTimerEvent, TxDutyCycleTime );
}
if( trySendingFrameAgain == true )
{
trySendingFrameAgain = SendFrame( );
}
if( TxNextPacket == true )
{
TxNextPacketTimer.detach( );
TxNextPacket = false;
PrepareTxFrame( AppPort );
trySendingFrameAgain = SendFrame( );
}
/* Read light sensor
tempLightValue = LightSens.read( ) * 1.65;
LightValue = ( 1 - tempLightValue );
// Set automatic RGB from light sensor
if( LightMode == 0 )
{
color_led.setColorRGB( 0, ( uint8_t )( 255 * LightValue ), ( uint8_t )( 255 * LightValue ), ( uint8_t )( 255 * LightValue ) );
}*/
// TimerLowPowerHandler( );
}
}
/**
* Main application entry point.
*/
int main( void )
{
uint8_t sendFrameStatus = 0;
uint8_t batteryLevel = 0;
BoardInitMcu( );
BoardInitPeriph( );
// Initialize LoRaMac device unique ID
BoardGetUniqueId( DevEui );
LoRaMacEvents.MacEvent = OnMacEvent;
LoRaMacInit( &LoRaMacEvents );
IsNetworkJoined = false;
#if( OVER_THE_AIR_ACTIVATION == 0 )
// Random seed initialization
srand( RAND_SEED );
// Choose a random device address
// NwkID = 0
// NwkAddr rand [0, 33554431]
DevAddr = randr( 0, 0x01FFFFFF );
LoRaMacInitNwkIds( 0x000000, DevAddr, NwkSKey, AppSKey );
IsNetworkJoined = true;
#else
// Sends a JoinReq Command every 5 seconds until the network is joined
TimerInit( &JoinReqTimer, OnJoinReqTimerEvent );
TimerSetValue( &JoinReqTimer, OVER_THE_AIR_ACTIVATION_DUTYCYCLE );
TimerStart( &JoinReqTimer );
#endif
TxNextPacket = true;
TimerInit( &TxNextPacketTimer, OnTxNextPacketTimerEvent );
TimerInit( &Led1Timer, OnLed1TimerEvent );
TimerSetValue( &Led1Timer, 25000 );
TimerInit( &Led2Timer, OnLed2TimerEvent );
TimerSetValue( &Led2Timer, 25000 );
LoRaMacSetAdrOn( true );
while( 1 )
{
while( IsNetworkJoined == false )
{
#if( OVER_THE_AIR_ACTIVATION != 0 )
if( TxNextPacket == true )
{
TxNextPacket = false;
LoRaMacJoinReq( DevEui, AppEui, AppKey );
// Relaunch timer for next trial
TimerStart( &JoinReqTimer );
}
TimerLowPowerHandler( );
#endif
}
if( Led1TimerEvent == true )
{
Led1TimerEvent = false;
// Switch LED 1 OFF
GpioWrite( &Led1, 1 );
}
if( Led2TimerEvent == true )
{
Led2TimerEvent = false;
// Switch LED 2 OFF
GpioWrite( &Led2, 1 );
}
if( TxAckReceived == true )
{
TxAckReceived = false;
// Switch LED 2 ON
GpioWrite( &Led2, 0 );
TimerStart( &Led2Timer );
}
if( RxDone == true )
{
RxDone = false;
// Switch LED 2 ON
GpioWrite( &Led2, 0 );
TimerStart( &Led2Timer );
if( AppLedStateOn == true )
{
// Switch LED 3 ON
GpioWrite( &Led2, 0 );
}
else
{
// Switch LED 3 OFF
GpioWrite( &Led2, 1 );
}
}
if( TxDone == true )
{
TxDone = false;
// Schedule next packet transmission
TxDutyCycleTime = APP_TX_DUTYCYCLE + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND );
TimerSetValue( &TxNextPacketTimer, TxDutyCycleTime );
TimerStart( &TxNextPacketTimer );
}
if( TxNextPacket == true )
{
TxNextPacket = false;
batteryLevel = BoardMeasureBatterieLevel( ); // 1 (very low) to 254 (fully charged)
// Switch LED 1 ON
GpioWrite( &Led1, 0 );
TimerStart( &Led1Timer );
AppData[0] = AppLedStateOn;
//
//
//
AppData[7] = batteryLevel;
sendFrameStatus = LoRaMacSendFrame( 2, AppData, APP_DATA_SIZE );
//sendFrameStatus = LoRaMacSendConfirmedFrame( 2, AppData, APP_DATA_SIZE, 8 );
switch( sendFrameStatus )
{
case 3: // LENGTH_PORT_ERROR
case 4: // MAC_CMD_ERROR
case 5: // NO_FREE_CHANNEL
// Schedule a new transmission
TxDone = true;
break;
default:
break;
}
}
TimerLowPowerHandler( );
}
}
