Semtech stack for ELMO - ver. 4.1.0.

Dependencies:   SX1272lib mbed

Fork of LoRaWAN_Semtech_stack_v4.1 by Michal Leksinski

Revision:
1:2be292bd43f9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main-api-v3.cpp	Tue Mar 15 23:27:24 2016 +0000
@@ -0,0 +1,587 @@
+#if 0
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    (C)2013 Semtech
+
+Description: LoRaMac classA device implementation
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+#include <string.h>
+#include <math.h>
+#include "mbed.h"
+
+#include "utilities.h"
+#include "LoRaMac-api-v3.h"
+#include "Comissioning.h"
+
+/*!
+ * 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
+
+/*!
+ * Join requests trials duty cycle.
+ */
+#define OVER_THE_AIR_ACTIVATION_DUTYCYCLE           10000000  // 10 [s] value in us
+
+/*!
+ * Defines the application data transmission duty cycle. 5s, 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
+ */
+#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
+
+#if defined( USE_BAND_868 )
+
+/*!
+ * 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
+
+#endif
+
+/*!
+ * LoRaWAN application port
+ */
+#define LORAWAN_APP_PORT                            1
+
+/*!
+ * User application data buffer size
+ */
+#define LORAWAN_APP_DATA_SIZE                       8
+
+#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;
+
+/*!
+ * Timer to handle the application data transmission duty cycle
+ */
+static void OnTxNextPacketTimerEvent( void );
+static Timeout TxNextPacketTimer;
+
+
+#if( OVER_THE_AIR_ACTIVATION != 0 )
+
+/*!
+ * Defines the join request timer
+ */
+static void OnJoinReqTimerEvent( void );
+static Timeout JoinReqTimer;
+
+#endif
+
+/*!
+ * Indicates if a new packet can be sent
+ */
+static bool TxNextPacket = true;
+static bool ScheduleNextTx = false;
+static bool DownlinkStatusUpdate = false;
+
+static LoRaMacCallbacks_t LoRaMacCallbacks;
+
+/*!
+ * \brief Function executed on duty cycle delayed Tx  timer event
+ */
+static void OnLed1TimerEvent( void );
+static void OnLed2TimerEvent( void );
+
+static Timeout Led1Timer;
+static Timeout Led2Timer;
+volatile bool Led1StateChanged = false;
+volatile bool Led2StateChanged = false;
+
+#define LED1_TIMER_TIMEOUT      25000
+#define LED2_TIMER_TIMEOUT      25000
+
+static bool AppLedStateOn = false;
+
+/*!
+ * LoRaWAN compliance tests support data
+ */
+struct ComplianceTest_s
+{
+    bool Running;
+    uint8_t State;
+    bool IsTxConfirmed;
+    uint8_t AppPort;
+    uint8_t AppDataSize;
+    uint8_t *AppDataBuffer;
+    uint16_t DownLinkCounter;
+    bool LinkCheck;
+    uint8_t DemodMargin;
+    uint8_t NbGateways;
+}ComplianceTest;
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+
+/*!
+ * Prepares the frame buffer to be sent
+ */
+static void PrepareTxFrame( uint8_t port )
+{
+    switch( port )
+    {
+    case 1:
+        {
+            //uint16_t pressure = 0;
+            //int16_t altitudeBar = 0;
+            //int16_t temperature = 0;
+            //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)
+
+            //AppData[0] = ( SelectorGetValue( ) << 4 ) | 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;
+        }
+        break;
+    case 224:
+        if( ComplianceTest.LinkCheck == true )
+        {
+            ComplianceTest.LinkCheck = false;
+            AppDataSize = 3;
+            AppData[0] = 5;
+            AppData[1] = ComplianceTest.DemodMargin;
+            AppData[2] = ComplianceTest.NbGateways;
+            ComplianceTest.State = 1;
+        }
+        else
+        {
+            switch( ComplianceTest.State )
+            {
+            case 4:
+                ComplianceTest.State = 1;
+                break;
+            case 1:
+                AppDataSize = 2;
+                AppData[0] = ComplianceTest.DownLinkCounter >> 8;
+                AppData[1] = ComplianceTest.DownLinkCounter;
+                break;
+            }
+        }
+        break;
+    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( ComplianceTest.Running == 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;
+                ComplianceTest.DownLinkCounter = 0;
+                ComplianceTest.LinkCheck = false;
+                ComplianceTest.DemodMargin = 0;
+                ComplianceTest.NbGateways = 0;
+                ComplianceTest.Running = true;
+                ComplianceTest.State = 1;
+                
+                LoRaMacSetAdrOn( true );
+#if defined( USE_BAND_868 )
+                LoRaMacTestSetDutyCycleOn( false );
+#endif
+            }
+        }
+        else
+        {
+            ComplianceTest.State = info->RxBuffer[0];
+            switch( ComplianceTest.State )
+            {
+            case 0: // Check compliance test disable command (ii)
+                IsTxConfirmed = LORAWAN_CONFIRMED_MSG_ON;
+                AppPort = LORAWAN_APP_PORT;
+                AppDataSize = LORAWAN_APP_DATA_SIZE;
+                ComplianceTest.DownLinkCounter = 0;
+                ComplianceTest.Running = 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;
+                ComplianceTest.State = 1;
+                break;
+            case 3:  // Disable confirmed messages (vi)
+                IsTxConfirmed = false;
+                ComplianceTest.State = 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;
+    }
+}
+
+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 3: // LENGTH_ERROR
+        // Send empty frame in order to flush MAC commands
+        LoRaMacSendFrame( 0, NULL, 0 );
+        return false;
+    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 )
+{
+    TxNextPacketTimer.detach();
+    TxNextPacket = true;
+}
+
+/*!
+ * \brief Function executed on Led 1 Timeout event
+ */
+static void OnLed1TimerEvent( void )
+{
+    Led1Timer.detach();
+    Led1StateChanged = true;
+}
+
+/*!
+ * \brief Function executed on Led 2 Timeout event
+ */
+static void OnLed2TimerEvent( void )
+{
+    Led2Timer.detach();
+    Led2StateChanged = 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( ComplianceTest.Running == true )
+            {
+                ComplianceTest.DownLinkCounter++;
+                if( flags->Bits.LinkCheck == 1 )
+                {
+                    ComplianceTest.LinkCheck = true;
+                    ComplianceTest.DemodMargin = info->DemodMargin;
+                    ComplianceTest.NbGateways = info->NbGateways;
+                }
+            }
+            if( flags->Bits.RxData == true )
+            {
+                ProcessRxFrame( flags, info );
+            }
+
+            DownlinkStatusUpdate = true;
+            Led2Timer.attach_us(OnLed2TimerEvent, LED2_TIMER_TIMEOUT);
+        }
+    }
+    // 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;
+
+    LoRaMacSetAdrOn( LORAWAN_ADR_ON );
+    LoRaMacSetPublicNetwork( LORAWAN_PUBLIC_NETWORK );
+
+#if defined( USE_BAND_868 )
+    #warning dutycycleON OFFFFFFFFFFFFF!!!!!!!!!!!!!!!!!!!!!!!
+//    LoRaMacTestSetDutyCycleOn( LORAWAN_DUTYCYCLE_ON );
+    LoRaMacTestSetDutyCycleOn( 0 );
+
+//    LoRaMacTestSetDutyCycleOn( LORAWAN_DUTYCYCLE_ON );
+#endif
+
+    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
+                    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
+            led1 = 0;
+        }
+        if( Led2StateChanged == true )
+        {
+            Led2StateChanged = false;
+            // Switch LED 2 OFF
+            led2 = 0;
+        }
+        if( DownlinkStatusUpdate == true )
+        {
+            DownlinkStatusUpdate = false;
+            // Switch LED 2 ON for each received downlink
+            led2 = 1;
+        }
+
+        if( ScheduleNextTx == true )
+        {
+            ScheduleNextTx = false;
+
+            if( ComplianceTest.Running == true )
+            {
+                TxNextPacket = true;
+            }
+            else
+            {
+                // 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
+            led1 = 1;
+            Led1Timer.attach_us(OnLed1TimerEvent, LED1_TIMER_TIMEOUT);
+
+            trySendingFrameAgain = SendFrame( );
+        }
+
+        //TimerLowPowerHandler( );
+    }
+}
+
+#endif
\ No newline at end of file