Espotel
Semtech LoRa stack ver. 3.4 for ELMO
Diff: main.cpp
- Revision:
- 0:c58229885f95
- Child:
- 1:5310eff49dee
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Dec 16 14:25:16 2015 +0000
@@ -0,0 +1,644 @@
+/*
+
+Description: MBED LoRaWAN example application
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Espotel
+*/
+
+#include "mbed.h"
+
+#include <string.h>
+#include <math.h>
+//#include "board.h"
+
+#include "LoRaMac.h"
+#include "utilities.h"
+
+#define USE_BAND_868
+/*!
+ * When set to 1 the application uses the Over-the-Air activation procedure
+ * When set to 0 the application uses the Personalization activation procedure
+ */
+#define OVER_THE_AIR_ACTIVATION 1
+
+/*!
+ * Indicates if the end-device is to be connected to a private or public network
+ */
+#define LORAWAN_PUBLIC_NETWORK true
+
+#if( OVER_THE_AIR_ACTIVATION != 0 )
+
+/*!
+ * Join requests trials duty cycle.
+ */
+#define OVER_THE_AIR_ACTIVATION_DUTYCYCLE 10000000 // 10 [s] value in us
+
+/*!
+ * Mote device IEEE EUI
+ *
+ * \remark must be written as a little endian value (reverse order of normal reading)
+ *
+ * \remark In this application the value is automatically generated by calling
+ * BoardGetUniqueId function
+ */
+#define LORAWAN_DEVICE_EUI { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+
+/*!
+ * Application IEEE EUI
+ *
+ * \remark must be written as a little endian value (reverse order of normal reading)
+ */
+//#define LORAWAN_APPLICATION_EUI { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 }
+#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 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+
+#else
+
+/*!
+ * Current network ID
+ */
+#define LORAWAN_NETWORK_ID ( uint32_t )0
+
+/*!
+ * Device address on the network
+ *
+ * \remark must be written as a big endian value (normal reading order)
+ *
+ * \remark In this application the value is automatically generated using
+ * a pseudo random generator seeded with a value derived from
+ * BoardUniqueId value
+ */
+#define LORAWAN_DEVICE_ADDRESS ( uint32_t )0x00000000
+
+/*!
+ * 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 }
+
+/*!
+ * 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 }
+
+#endif
+
+/*!
+ * Defines the application data transmission duty cycle
+ */
+#define APP_TX_DUTYCYCLE 5000000 // 5 [s] value in us
+#define APP_TX_DUTYCYCLE_RND 1000000 // 1 [s] value in us
+
+/*!
+ * LoRaWAN confirmed messages
+ */
+#define LORAWAN_CONFIRMED_MSG_ON false
+
+/*!
+ * LoRaWAN Adaptative Data Rate
+ *
+ * \remark Please note that when ADR is enabled the end-device should be static
+ */
+#define LORAWAN_ADR_ON 1
+
+/*!
+ * LoRaWAN ETSI duty cycle control enable/disable
+ *
+ * \remark Please note that ETSI mandates duty cycled transmissions. Use only for test purposes
+ */
+#define LORAWAN_DUTYCYCLE_ON true
+#define LORAWAN_DUTYCYCLE_OFF false
+
+/*!
+ * LoRaWAN application port
+ */
+#define LORAWAN_APP_PORT 2
+
+/*!
+ * User application data buffer size
+ */
+#define LORAWAN_APP_DATA_SIZE 16
+
+#if( OVER_THE_AIR_ACTIVATION != 0 )
+
+static uint8_t DevEui[] = LORAWAN_DEVICE_EUI;
+static uint8_t AppEui[] = LORAWAN_APPLICATION_EUI;
+static uint8_t AppKey[] = LORAWAN_APPLICATION_KEY;
+
+#else
+
+static uint8_t NwkSKey[] = LORAWAN_NWKSKEY;
+static uint8_t AppSKey[] = LORAWAN_APPSKEY;
+
+/*!
+ * Device address
+ */
+static uint32_t DevAddr;
+
+#endif
+
+/*!
+ * Indicates if the MAC layer has already joined a network.
+ */
+static bool IsNetworkJoined = 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_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;
+
+
+static void OnTxNextPacketTimerEvent( void );
+static Timeout TxNextPacketTimer;//(OnTxNextPacketTimerEvent, osTimerOnce);
+
+#if( OVER_THE_AIR_ACTIVATION != 0 )
+
+static void OnJoinReqTimerEvent( void );
+/*!
+ * Defines the join request timer
+ */
+static Timeout JoinReqTimer;//(OnJoinReqTimerEvent, osTimerOnce);
+
+#endif
+
+/*!
+ * Indicates if a new packet can be sent
+ */
+static bool TxNextPacket = true;
+static bool ScheduleNextTx = false;
+static bool DownlinkStatusUpdate = false;
+
+static bool AppLedStateOn = false;
+
+static LoRaMacCallbacks_t LoRaMacCallbacks;
+/*
+static TimerEvent_t Led1Timer;
+volatile bool Led1StateChanged = false;
+static TimerEvent_t Led2Timer;
+volatile bool Led2StateChanged = false;
+static TimerEvent_t Led4Timer;
+volatile bool Led4StateChanged = false;
+
+volatile bool Led3StateChanged = 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;
+
+/*!
+ * Prepares the frame buffer to be sent
+ */
+static void PrepareTxFrame( uint8_t port )
+{
+ switch( port )
+ {
+ case 2:
+ {
+ uint16_t pressure = 0;
+ int16_t altitudeBar = 0;
+ int16_t temperature = 0;
+ int32_t latitude, longitude = 0;
+ uint16_t altitudeGps = 0xFFFF;
+ uint8_t batteryLevel = 0;
+
+ //pressure = ( uint16_t )( MPL3115ReadPressure( ) / 10 ); // in hPa / 10
+ //temperature = ( int16_t )( MPL3115ReadTemperature( ) * 100 ); // in °C * 100
+ //altitudeBar = ( int16_t )( MPL3115ReadAltitude( ) * 10 ); // in m * 10
+ //batteryLevel = BoardGetBatteryLevel( ); // 1 (very low) to 254 (fully charged)
+ //GpsGetLatestGpsPositionBinary( &latitude, &longitude );
+ //altitudeGps = GpsGetLatestGpsAltitude( ); // in m
+
+ AppData[0] = AppLedStateOn;
+ AppData[1] = ( pressure >> 8 ) & 0xFF;
+ AppData[2] = pressure & 0xFF;
+ AppData[3] = ( temperature >> 8 ) & 0xFF;
+ AppData[4] = temperature & 0xFF;
+ AppData[5] = ( altitudeBar >> 8 ) & 0xFF;
+ AppData[6] = altitudeBar & 0xFF;
+ AppData[7] = batteryLevel;
+ AppData[8] = ( latitude >> 16 ) & 0xFF;
+ AppData[9] = ( latitude >> 8 ) & 0xFF;
+ AppData[10] = latitude & 0xFF;
+ AppData[11] = ( longitude >> 16 ) & 0xFF;
+ AppData[12] = ( longitude >> 8 ) & 0xFF;
+ AppData[13] = longitude & 0xFF;
+ AppData[14] = ( altitudeGps >> 8 ) & 0xFF;
+ AppData[15] = altitudeGps & 0xFF;
+ }
+ break;
+ case 224:
+ if( ComplianceTestLinkCheck == true )
+ {
+ printf("ComplianceTestLinkCheck\r\n");
+ ComplianceTestLinkCheck = false;
+ AppDataSize = 3;
+ AppData[0] = 5;
+ AppData[1] = ComplianceTestDemodMargin;
+ AppData[2] = ComplianceTestNbGateways;
+ ComplianceTestState = 1;
+ }
+ else
+ {
+ if( ComplianceTestState == 1 )
+ {
+ printf("Sending downlink COUNTER!!!!\r\n");
+ AppDataSize = 2;
+ AppData[0] = ComplianceTestDownLinkCounter >> 8;
+ AppData[1] = ComplianceTestDownLinkCounter;
+ }
+ }
+ default:
+ break;
+ }
+}
+
+static void ProcessRxFrame( LoRaMacEventFlags_t *flags, LoRaMacEventInfo_t *info )
+{
+ switch( info->RxPort ) // Check Rx port number
+ {
+ case 1: // The application LED can be controlled on port 1 or 2
+ case 2:
+ if( info->RxBufferSize == 1 )
+ {
+ AppLedStateOn = info->RxBuffer[0] & 0x01;
+ //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 );
+ LoRaMacTestSetDutyCycleOn( LORAWAN_DUTYCYCLE_OFF );
+ }
+ }
+ else
+ {
+ ComplianceTestState = info->RxBuffer[0];
+ switch( ComplianceTestState )
+ {
+ case 0: // Check compliance test disable command (ii)
+ IsTxConfirmed = LORAWAN_CONFIRMED_MSG_ON;
+ AppPort = LORAWAN_APP_PORT;
+ AppDataSize = LORAWAN_APP_DATA_SIZE;
+ ComplianceTestDownLinkCounter = 0;
+ ComplianceTestOn = false;
+
+ LoRaMacSetAdrOn( LORAWAN_ADR_ON );
+ LoRaMacTestSetDutyCycleOn( LORAWAN_DUTYCYCLE_ON );
+ 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;
+ printf("VII <------------------- rozmiar %i \r\n", AppDataSize);
+ AppData[0] = 4;
+ for( uint8_t i = 1; i < AppDataSize; i++ )
+ {
+
+ printf("VII <-------------------dodaje \r\n");
+ AppData[i] = info->RxBuffer[i] + 1;
+ }
+ break;
+ case 5: // (viii)
+ LoRaMacLinkCheckReq( );
+ break;
+ default:
+ break;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+
+ if( ( ComplianceTestOn == true ) && ( flags->Bits.LinkCheck == 1 ) )
+ {
+ ComplianceTestLinkCheck = true;
+ ComplianceTestDemodMargin = info->DemodMargin;
+ ComplianceTestNbGateways = info->NbGateways;
+ }
+
+ #warning needed extension to check counter scopes
+}
+
+static bool SendFrame( void )
+{
+ uint8_t sendFrameStatus = 0;
+
+ if( IsTxConfirmed == false )
+ {
+ sendFrameStatus = LoRaMacSendFrame( AppPort, AppData, AppDataSize );
+ }
+ else
+ {
+ sendFrameStatus = LoRaMacSendConfirmedFrame( AppPort, AppData, AppDataSize, 8 );
+ }
+
+ switch( sendFrameStatus )
+ {
+ case 5: // NO_FREE_CHANNEL
+ // Try again later
+ return true;
+ default:
+ return false;
+ }
+}
+
+#if( OVER_THE_AIR_ACTIVATION != 0 )
+
+/*!
+ * \brief Function executed on JoinReq Timeout event
+ */
+static void OnJoinReqTimerEvent( void )
+{
+ JoinReqTimer.detach();
+ TxNextPacket = true;
+}
+
+#endif
+
+/*!
+ * \brief Function executed on TxNextPacket Timeout event
+ */
+static void OnTxNextPacketTimerEvent( void )
+{
+ //TimerStop( &TxNextPacketTimer );
+ //TxNextPacketTimer.stop();
+ TxNextPacketTimer.detach();
+ TxNextPacket = true;
+}
+
+/*!
+ * \brief Function executed on Led 1 Timeout event
+ */
+/*static void OnLed1TimerEvent( void )
+{
+ TimerStop( &Led1Timer );
+ Led1StateChanged = true;
+}*/
+
+/*!
+ * \brief Function executed on Led 2 Timeout event
+ */
+/*static void OnLed2TimerEvent( void )
+{
+ TimerStop( &Led2Timer );
+ Led2StateChanged = true;
+}*/
+
+/*!
+ * \brief Function executed on Led 4 Timeout event
+ */
+/*void OnLed4TimerEvent( void )
+{
+ TimerStop( &Led4Timer );
+ Led4StateChanged = true;
+}*/
+
+/*!
+ * \brief Function to be executed on MAC layer event
+ */
+static void OnMacEvent( LoRaMacEventFlags_t *flags, LoRaMacEventInfo_t *info )
+{
+ if( flags->Bits.JoinAccept == 1 )
+ {
+#if( OVER_THE_AIR_ACTIVATION != 0 )
+ JoinReqTimer.detach();
+#endif
+ IsNetworkJoined = true;
+ }
+ else
+ {
+ if( flags->Bits.Tx == 1 )
+ {
+ }
+
+ if( flags->Bits.Rx == 1 )
+ {
+ if( ComplianceTestOn == true )
+ {
+ ComplianceTestDownLinkCounter++;
+ }
+ if( flags->Bits.RxData == true )
+ {
+ ProcessRxFrame( flags, info );
+ }
+
+ DownlinkStatusUpdate = true;
+ //TimerStart( &Led2Timer );
+ }
+ }
+ // Schedule a new transmission
+ ScheduleNextTx = true;
+}
+
+/**
+ * Main application entry point.
+ */
+
+int main( void )
+{
+#if( OVER_THE_AIR_ACTIVATION != 0 )
+ uint8_t sendFrameStatus = 0;
+#endif
+ bool trySendingFrameAgain = false;
+
+#warning HW and RADIO CHIP must be configured!!!!
+ //BoardInitMcu( );
+ //BoardInitPeriph( );
+ //hal_init();
+ //radio_init();
+
+ LoRaMacCallbacks.MacEvent = OnMacEvent;
+ //LoRaMacCallbacks.GetBatteryLevel = BoardGetBatteryLevel;
+ LoRaMacInit( &LoRaMacCallbacks );
+
+ IsNetworkJoined = false;
+
+#if( OVER_THE_AIR_ACTIVATION == 0 )
+ // Random seed initialization
+ #warning seed initialization must be implemented
+ srand1( 1 );
+ // Choose a random device address based on Board unique ID
+ // NwkAddr rand [0, 33554431]
+ DevAddr = randr( 0, 0x01FFFFFF );
+
+ LoRaMacInitNwkIds( LORAWAN_NETWORK_ID, DevAddr, NwkSKey, AppSKey );
+ IsNetworkJoined = true;
+#else
+ // Initialize LoRaMac device unique ID
+ //BoardGetUniqueId( DevEui );
+#endif
+
+ TxNextPacket = true;
+
+ //TimerInit( &Led1Timer, OnLed1TimerEvent );
+ //TimerSetValue( &Led1Timer, 25000 );
+
+ //TimerInit( &Led2Timer, OnLed2TimerEvent );
+ //TimerSetValue( &Led2Timer, 25000 );
+
+ //TimerInit( &Led4Timer, OnLed4TimerEvent );
+ //TimerSetValue( &Led4Timer, 25000 );
+
+ LoRaMacSetAdrOn( LORAWAN_ADR_ON );
+ #warning dutycycleON OFFFFFFFFFFFFF!!!!!!!!!!!!!!!!!!!!!!!
+// LoRaMacTestSetDutyCycleOn( LORAWAN_DUTYCYCLE_ON );
+ LoRaMacTestSetDutyCycleOn( 0 );
+ LoRaMacSetPublicNetwork( LORAWAN_PUBLIC_NETWORK );
+
+ while( 1 )
+ {
+ while( IsNetworkJoined == false )
+ {
+#if( OVER_THE_AIR_ACTIVATION != 0 )
+ if( TxNextPacket == true )
+ {
+ printf("Trial to join network... txnextpacket %i \r\n", TxNextPacket);
+ TxNextPacket = false;
+
+ sendFrameStatus = LoRaMacJoinReq( DevEui, AppEui, AppKey );
+ printf("status = %i\r\n", sendFrameStatus);
+ switch( sendFrameStatus )
+ {
+ case 1: // BUSY
+ printf("busy...\r\n");
+ 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( Led1StateChanged == true )
+ {
+ Led1StateChanged = false;
+ // Switch LED 1 OFF
+ GpioWrite( &Led1, 1 );
+ }
+ if( Led2StateChanged == true )
+ {
+ Led2StateChanged = false;
+ // Switch LED 2 OFF
+ GpioWrite( &Led2, 1 );
+ }
+ if( Led3StateChanged == true )
+ {
+ Led3StateChanged = false;
+ GpioWrite( &Led3, ( ( AppLedStateOn & 0x01 ) != 0 ) ? 0 : 1 );
+ }
+ if( Led4StateChanged == true )
+ {
+ Led4StateChanged = false;
+ // Switch LED 4 OFF
+ GpioWrite( &Led4, 1 );
+ }*/
+ if( DownlinkStatusUpdate == true )
+ {
+ DownlinkStatusUpdate = false;
+ // Switch LED 2 ON for each received downlink
+ //GpioWrite( &Led2, 0 );
+ }
+
+ if( ScheduleNextTx == true )
+ {
+ printf("Sending data...");
+ ScheduleNextTx = false;
+
+ // 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 )
+ {
+ TxNextPacket = false;
+
+ PrepareTxFrame( AppPort );
+
+ // Switch LED 1 ON
+ //GpioWrite( &Led1, 0 );
+ //TimerStart( &Led1Timer );
+
+ trySendingFrameAgain = SendFrame( );
+ }
+
+ //TimerLowPowerHandler( );
+ }
+}