Diff: main.cpp

Revision:

0:c58229885f95

Child:

1:2be292bd43f9

--- /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( );
+    }
+}