Delong Qi
Application example using LoRaWAN-lib MAC layer implementation
Dependencies: mbed LoRaWAN-lib SX1276Lib
Fork of
LoRaWAN-demo-76
by 
Semtech
Diff: app/main.cpp
- Revision:
- 1:352f608c3337
- Parent:
- 0:92bca02df485
- Child:
- 3:9c6f7f082151
--- a/app/main.cpp Tue Oct 20 13:23:35 2015 +0000
+++ b/app/main.cpp Thu Nov 26 12:59:52 2015 +0000
@@ -43,19 +43,19 @@
*
* \remark must be written as a little endian value (reverse order of normal reading)
*/
-#define LORAWAN_DEVICE_EUI { 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11 }
+#define LORAWAN_DEVICE_EUI { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF }
/*!
* Application IEEE EUI
*
* \remark must be written as a little endian value (reverse order of normal reading)
*/
-#define LORAWAN_APPLICATION_EUI { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }
+#define LORAWAN_APPLICATION_EUI { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
/*!
* AES encryption/decryption cipher application key
*/
-#define LORAWAN_APPLICATION_KEY { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x00 }
+#define LORAWAN_APPLICATION_KEY { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x01 }
#else
@@ -69,25 +69,30 @@
*
* \remark must be written as a big endian value (normal reading order)
*/
-#define LORAWAN_DEVICE_ADDRESS ( uint32_t )0x12345678
+#define LORAWAN_DEVICE_ADDRESS ( uint32_t )0xFF000001
/*!
* AES encryption/decryption cipher network session key
*/
-#define LORAWAN_NWKSKEY { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }
+#define LORAWAN_NWKSKEY { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x01 }
/*!
* AES encryption/decryption cipher application session key
*/
-#define LORAWAN_APPSKEY { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }
+#define LORAWAN_APPSKEY { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF, 0x01 }
#endif
/*!
- * Defines the application data transmission duty cycle
+ * Defines the application data transmission duty cycle. 5s, value in [us].
*/
-#define APP_TX_DUTYCYCLE 5000000 // 5 [s] value in us
-#define APP_TX_DUTYCYCLE_RND 1000000 // 1 [s] value in us
+#define APP_TX_DUTYCYCLE 5000000
+
+/*!
+ * Defines a random delay for application data transmission duty cycle. 1s,
+ * value in [us].
+ */
+#define APP_TX_DUTYCYCLE_RND 1000000
/*!
* LoRaWAN confirmed messages
@@ -101,6 +106,8 @@
*/
#define LORAWAN_ADR_ON 1
+#if defined( USE_BAND_868 )
+
/*!
* LoRaWAN ETSI duty cycle control enable/disable
*
@@ -108,6 +115,8 @@
*/
#define LORAWAN_DUTYCYCLE_ON false
+#endif
+
/*!
* LoRaWAN application port
*/
@@ -144,23 +153,46 @@
static bool IsNetworkJoinedStatusUpdate = false;
/*!
+ * Application port
+ */
+static uint8_t AppPort = LORAWAN_APP_PORT;
+
+/*!
+ * User application data size
+ */
+static uint8_t AppDataSize = LORAWAN_APP_DATA_SIZE;
+
+/*!
+ * User application data buffer size
+ */
+#define LORAWAN_APP_DATA_MAX_SIZE 64
+
+/*!
* User application data
*/
-static uint8_t AppData[LORAWAN_APP_DATA_SIZE];
+static uint8_t AppData[LORAWAN_APP_DATA_MAX_SIZE];
+
+/*!
+ * Indicates if the node is sending confirmed or unconfirmed messages
+ */
+static uint8_t IsTxConfirmed = LORAWAN_CONFIRMED_MSG_ON;
/*!
* Defines the application data transmission duty cycle
*/
static uint32_t TxDutyCycleTime;
-TimerEvent_t TxNextPacketTimer;
+/*!
+ * Timer to handle the application data transmission duty cycle
+ */
+static TimerEvent_t TxNextPacketTimer;
#if( OVER_THE_AIR_ACTIVATION != 0 )
/*!
* Defines the join request timer
*/
-TimerEvent_t JoinReqTimer;
+static TimerEvent_t JoinReqTimer;
#endif
@@ -170,20 +202,28 @@
static bool TxNextPacket = true;
static bool ScheduleNextTx = false;
-static bool AppLedStateOn = false;
+static LoRaMacCallbacks_t LoRaMacCallbacks;
-static LoRaMacEvent_t LoRaMacEvents;
-
-TimerEvent_t Led1Timer;
+static TimerEvent_t Led1Timer;
+volatile bool Led1State = false;
volatile bool Led1StateChanged = false;
-TimerEvent_t Led2Timer;
+static TimerEvent_t Led2Timer;
+volatile bool Led2State = false;
volatile bool Led2StateChanged = false;
+static bool AppLedStateOn = false;
volatile bool Led3StateChanged = false;
volatile bool LinkStatusUpdated = false;
+static bool ComplianceTestOn = false;
+static uint8_t ComplianceTestState = 0;
+static uint16_t ComplianceTestDownLinkCounter = 0;
+static bool ComplianceTestLinkCheck = false;
+static uint8_t ComplianceTestDemodMargin = 0;
+static uint8_t ComplianceTestNbGateways = 0;
+
struct sLoRaMacUplinkStatus
{
uint8_t Acked;
@@ -223,7 +263,11 @@
SerialDisplayUpdateNetworkIsJoined( IsNetworkJoined );
SerialDisplayUpdateAdr( LORAWAN_ADR_ON );
+#if defined( USE_BAND_868 )
SerialDisplayUpdateDutyCycle( LORAWAN_DUTYCYCLE_ON );
+#else
+ SerialDisplayUpdateDutyCycle( false );
+#endif
SerialDisplayUpdatePublicNetwork( LORAWAN_PUBLIC_NETWORK );
SerialDisplayUpdateLedState( 3, AppLedStateOn );
@@ -251,14 +295,47 @@
*/
static void PrepareTxFrame( uint8_t port )
{
- AppData[0] = AppLedStateOn;
-#if ( LORAWAN_CONFIRMED_MSG_ON == true )
- AppData[1] = LoRaMacDownlinkStatus.DownlinkCounter >> 8;
- AppData[2] = LoRaMacDownlinkStatus.DownlinkCounter;
- AppData[3] = LoRaMacDownlinkStatus.Rssi >> 8;
- AppData[4] = LoRaMacDownlinkStatus.Rssi;
- AppData[5] = LoRaMacDownlinkStatus.Snr;
-#endif
+ switch( port )
+ {
+ case 15:
+ {
+ AppData[0] = AppLedStateOn;
+ if( IsTxConfirmed == true )
+ {
+ AppData[1] = LoRaMacDownlinkStatus.DownlinkCounter >> 8;
+ AppData[2] = LoRaMacDownlinkStatus.DownlinkCounter;
+ AppData[3] = LoRaMacDownlinkStatus.Rssi >> 8;
+ AppData[4] = LoRaMacDownlinkStatus.Rssi;
+ AppData[5] = LoRaMacDownlinkStatus.Snr;
+ }
+ }
+ break;
+ case 224:
+ if( ComplianceTestLinkCheck == true )
+ {
+ ComplianceTestLinkCheck = false;
+ AppDataSize = 3;
+ AppData[0] = 5;
+ AppData[1] = ComplianceTestDemodMargin;
+ AppData[2] = ComplianceTestNbGateways;
+ ComplianceTestState = 1;
+ }
+ else
+ {
+ switch( ComplianceTestState )
+ {
+ case 4:
+ ComplianceTestState = 1;
+ break;
+ case 1:
+ AppDataSize = 2;
+ AppData[0] = ComplianceTestDownLinkCounter >> 8;
+ AppData[1] = ComplianceTestDownLinkCounter;
+ break;
+ }
+ }
+ break;
+ }
}
static void ProcessRxFrame( LoRaMacEventFlags_t *flags, LoRaMacEventInfo_t *info )
@@ -273,6 +350,84 @@
Led3StateChanged = true;
}
break;
+ case 224:
+ if( ComplianceTestOn == false )
+ {
+ // Check compliance test enable command (i)
+ if( ( info->RxBufferSize == 4 ) &&
+ ( info->RxBuffer[0] == 0x01 ) &&
+ ( info->RxBuffer[1] == 0x01 ) &&
+ ( info->RxBuffer[2] == 0x01 ) &&
+ ( info->RxBuffer[3] == 0x01 ) )
+ {
+ IsTxConfirmed = false;
+ AppPort = 224;
+ AppDataSize = 2;
+ ComplianceTestDownLinkCounter = 0;
+ ComplianceTestLinkCheck = false;
+ ComplianceTestDemodMargin = 0;
+ ComplianceTestNbGateways = 0;
+ ComplianceTestOn = true;
+ ComplianceTestState = 1;
+
+ LoRaMacSetAdrOn( true );
+#if defined( USE_BAND_868 )
+ LoRaMacTestSetDutyCycleOn( false );
+#endif
+ }
+ }
+ else
+ {
+ ComplianceTestState = info->RxBuffer[0];
+ switch( ComplianceTestState )
+ {
+ case 0: // Check compliance test disable command (ii)
+ IsTxConfirmed = LORAWAN_CONFIRMED_MSG_ON;
+ AppPort = LORAWAN_APP_PORT;
+ if( IsTxConfirmed == true )
+ {
+ AppDataSize = 6;
+ }
+ else
+ {
+ AppDataSize = 1;
+ }
+ ComplianceTestDownLinkCounter = 0;
+ ComplianceTestOn = false;
+
+ LoRaMacSetAdrOn( LORAWAN_ADR_ON );
+#if defined( USE_BAND_868 )
+ LoRaMacTestSetDutyCycleOn( LORAWAN_DUTYCYCLE_ON );
+#endif
+ break;
+ case 1: // (iii, iv)
+ AppDataSize = 2;
+ break;
+ case 2: // Enable confirmed messages (v)
+ IsTxConfirmed = true;
+ ComplianceTestState = 1;
+ break;
+ case 3: // Disable confirmed messages (vi)
+ IsTxConfirmed = false;
+ ComplianceTestState = 1;
+ break;
+ case 4: // (vii)
+ AppDataSize = info->RxBufferSize;
+
+ AppData[0] = 4;
+ for( uint8_t i = 1; i < AppDataSize; i++ )
+ {
+ AppData[i] = info->RxBuffer[i] + 1;
+ }
+ break;
+ case 5: // (viii)
+ LoRaMacLinkCheckReq( );
+ break;
+ default:
+ break;
+ }
+ }
+ break;
default:
break;
}
@@ -283,16 +438,21 @@
uint8_t sendFrameStatus = 0;
LoRaMacUplinkStatus.Acked = false;
- LoRaMacUplinkStatus.Port = LORAWAN_APP_PORT;
+ LoRaMacUplinkStatus.Port = AppPort;
LoRaMacUplinkStatus.Buffer = AppData;
- LoRaMacUplinkStatus.BufferSize = LORAWAN_APP_DATA_SIZE;
+ LoRaMacUplinkStatus.BufferSize = AppDataSize;
- SerialDisplayUpdateFrameType( LORAWAN_CONFIRMED_MSG_ON );
-#if( LORAWAN_CONFIRMED_MSG_ON == false )
- sendFrameStatus = LoRaMacSendFrame( LORAWAN_APP_PORT, AppData, LORAWAN_APP_DATA_SIZE );
-#else
- sendFrameStatus = LoRaMacSendConfirmedFrame( LORAWAN_APP_PORT, AppData, LORAWAN_APP_DATA_SIZE, 8 );
-#endif
+ SerialDisplayUpdateFrameType( IsTxConfirmed );
+
+ if( IsTxConfirmed == false )
+ {
+ sendFrameStatus = LoRaMacSendFrame( AppPort, AppData, AppDataSize );
+ }
+ else
+ {
+ sendFrameStatus = LoRaMacSendConfirmedFrame( AppPort, AppData, AppDataSize, 8 );
+ }
+
switch( sendFrameStatus )
{
case 5: // NO_FREE_CHANNEL
@@ -331,6 +491,7 @@
static void OnLed1TimerEvent( void )
{
TimerStop( &Led1Timer );
+ Led1State = false;
Led1StateChanged = true;
}
@@ -340,6 +501,7 @@
static void OnLed2TimerEvent( void )
{
TimerStop( &Led2Timer );
+ Led2State = false;
Led2StateChanged = true;
}
@@ -364,6 +526,16 @@
if( flags->Bits.Rx == 1 )
{
+ if( ComplianceTestOn == true )
+ {
+ ComplianceTestDownLinkCounter++;
+ if( flags->Bits.LinkCheck == 1 )
+ {
+ ComplianceTestLinkCheck = true;
+ ComplianceTestDemodMargin = info->DemodMargin;
+ ComplianceTestNbGateways = info->NbGateways;
+ }
+ }
if( flags->Bits.RxData == true )
{
ProcessRxFrame( flags, info );
@@ -387,14 +559,17 @@
LoRaMacDownlinkStatus.Buffer = info->RxBuffer;
LoRaMacDownlinkStatus.BufferSize = info->RxBufferSize;
- LoRaMacUplinkStatus.Acked = info->TxAckReceived;
- LoRaMacUplinkStatus.Datarate = info->TxDatarate;
- LoRaMacUplinkStatus.UplinkCounter = LoRaMacGetUpLinkCounter( ) - 1;
-
- LinkStatusUpdated = true;
+ Led2State = true;
+ Led2StateChanged = true;
TimerStart( &Led2Timer );
}
+
+ LoRaMacUplinkStatus.Acked = info->TxAckReceived;
+ LoRaMacUplinkStatus.Datarate = info->TxDatarate;
+ LoRaMacUplinkStatus.UplinkCounter = LoRaMacGetUpLinkCounter( ) - 1;
}
+
+ LinkStatusUpdated = true;
// Schedule a new transmission
ScheduleNextTx = true;
}
@@ -413,8 +588,9 @@
BoardInit( );
- LoRaMacEvents.MacEvent = OnMacEvent;
- LoRaMacInit( &LoRaMacEvents, &BoardGetBatterieLevel );
+ LoRaMacCallbacks.MacEvent = OnMacEvent;
+ LoRaMacCallbacks.GetBatteryLevel = BoardGetBatteryLevel;
+ LoRaMacInit( &LoRaMacCallbacks );
IsNetworkJoined = false;
@@ -451,11 +627,17 @@
TimerSetValue( &Led2Timer, 500000 );
LoRaMacSetAdrOn( LORAWAN_ADR_ON );
+#if defined( USE_BAND_868 )
LoRaMacTestSetDutyCycleOn( LORAWAN_DUTYCYCLE_ON );
+#endif
LoRaMacSetPublicNetwork( LORAWAN_PUBLIC_NETWORK );
SerialDisplayUpdateAdr( LORAWAN_ADR_ON );
+#if defined( USE_BAND_868 )
SerialDisplayUpdateDutyCycle( LORAWAN_DUTYCYCLE_ON );
+#else
+ SerialDisplayUpdateDutyCycle( false );
+#endif
SerialDisplayUpdatePublicNetwork( LORAWAN_PUBLIC_NETWORK );
LoRaMacDownlinkStatus.DownlinkCounter = 0;
@@ -499,12 +681,12 @@
if( Led1StateChanged == true )
{
Led1StateChanged = false;
- SerialDisplayUpdateLedState( 1, 0 );
+ SerialDisplayUpdateLedState( 1, Led1State );
}
if( Led2StateChanged == true )
{
Led2StateChanged = false;
- SerialDisplayUpdateLedState( 2, 0 );
+ SerialDisplayUpdateLedState( 2, Led2State );
}
if( Led3StateChanged == true )
{
@@ -514,7 +696,7 @@
if( LinkStatusUpdated == true )
{
LinkStatusUpdated = false;
- SerialDisplayUpdateLedState( 2, 1 );
+ SerialDisplayUpdateLedState( 2, Led2State );
SerialDisplayUpdateUplink( LoRaMacUplinkStatus.Acked, LoRaMacUplinkStatus.Datarate, LoRaMacUplinkStatus.UplinkCounter, LoRaMacUplinkStatus.Port, LoRaMacUplinkStatus.Buffer, LoRaMacUplinkStatus.BufferSize );
SerialDisplayUpdateDownlink( LoRaMacDownlinkStatus.RxData, LoRaMacDownlinkStatus.Rssi, LoRaMacDownlinkStatus.Snr, LoRaMacDownlinkStatus.DownlinkCounter, LoRaMacDownlinkStatus.Port, LoRaMacDownlinkStatus.Buffer, LoRaMacDownlinkStatus.BufferSize );
}
@@ -522,10 +704,18 @@
if( ScheduleNextTx == true )
{
ScheduleNextTx = false;
- // Schedule next packet transmission
- TxDutyCycleTime = APP_TX_DUTYCYCLE + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND );
- TimerSetValue( &TxNextPacketTimer, TxDutyCycleTime );
- TimerStart( &TxNextPacketTimer );
+
+// if( ComplianceTestOn == true )
+// {
+// TxNextPacket = true;
+// }
+// else
+// {
+ // Schedule next packet transmission
+ TxDutyCycleTime = APP_TX_DUTYCYCLE + randr( -APP_TX_DUTYCYCLE_RND, APP_TX_DUTYCYCLE_RND );
+ TimerSetValue( &TxNextPacketTimer, TxDutyCycleTime );
+ TimerStart( &TxNextPacketTimer );
+// }
}
if( trySendingFrameAgain == true )
@@ -538,9 +728,10 @@
SerialDisplayUpdateDonwlinkRxData( false );
- PrepareTxFrame( LORAWAN_APP_PORT );
+ PrepareTxFrame( AppPort );
- SerialDisplayUpdateLedState( 1, 1 );
+ Led1State = true;
+ SerialDisplayUpdateLedState( 1, Led1State );
TimerStart( &Led1Timer );
trySendingFrameAgain = SendFrame( );