Diff: MinimouseSrc/MacLayer.h

Revision:

0:2325d1d28df3

Child:

1:eda561b01daf

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MinimouseSrc/MacLayer.h	Fri Dec 15 13:15:04 2017 +0000
@@ -0,0 +1,181 @@
+/*
+
+  __  __ _       _                                 
+ |  \/  ( _)     ( _)                                
+ | \  / |_ _ __  _ _ __ ___   ___  _   _ ___  ___  
+ | |\/| | | '_ \| | '_ ` _ \ / _ \| | | / __|/ _ \
+ | |  | | | | | | | | | | | | ( _) | |_| \__ \  __/ 
+ |_|  |_|_|_| |_|_|_| |_| |_|\___/ \__,_|___/\___| 
+                                                   
+                                                   
+Description       : LoraWan Mac Layer objets.  
+
+
+License           : Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer        : Fabien Holin ( SEMTECH)
+*/
+#include "mbed.h"
+#include  "Define.h"
+#include "PhyLayer.h"
+#include "sx1276-hal.h"
+#include "LoraMacDataStoreInFlash.h"
+#ifndef MAC_LAYER_H
+#define MAC_LAYER_H
+
+#define LORA_MAC_SYNCWORD                           0x34
+static uint8_t LoRaMacNwkSKey[] =
+{ 0x94, 0x02, 0x9E, 0xAB, 0xE9, 0x0C, 0xE3, 0xCF, 0x51, 0xA2, 0x31, 0x7F, 0x03, 0x27, 0xEF, 0xA6 };
+
+/*!
+ * AES encryption/decryption cipher application session key
+ */
+static uint8_t LoRaMacAppSKey[] =
+{ 0xBB, 0xEB, 0xEB, 0x4D, 0x5C, 0xAF, 0x95, 0x5D, 0x33, 0xD1, 0xC0, 0xC4, 0x41, 0x55, 0xB5, 0xA1 };
+
+
+static uint8_t LoRaMacAppKey[] =
+{ 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11};
+static uint8_t AppEui[] = 
+{ 0x70, 0xB3, 0xD5, 0x7E, 0xF0, 0x00, 0x36, 0x12 };
+
+
+static uint8_t DevEui[] = 
+{ 0x33, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x33 };    
+
+//@note find the right place of the keys
+
+
+class LoraWanContainer { 
+public: 
+    LoraWanContainer( PinName interrupt ); 
+    ~LoraWanContainer( );
+    void BuildTxLoraFrame     ( void );
+    void BuildJoinLoraFrame   ( void );
+    void EncryptTxFrame       ( void );
+    void ConfigureRadioAndSend( void );
+    void ConfigureRadioForRx1 ( void );
+    void ConfigureRadioForRx2 ( void );
+    void ConfigureTimerForRx  ( int type );
+    int  DecodeRxFrame        ( void );
+    void UpdateMacLayer       ( void );
+    void ParseManagementPacket( void );
+    void UpdateJoinProcedure  ( void );
+    uint8_t IsFrameToSend;
+/* LoraWan Context */ 
+/* Only 16 ch mask => ChMaskCntl not used */
+/* Duty cycle is not managed */
+
+    /*******************************************/
+    /*      Update by Link ADR command         */
+    /*******************************************/
+    uint8_t    MacTxSf;
+    uint8_t    MacTxPower;
+    uint16_t   MacChMask;
+    uint8_t    MacNbRepUnconfirmedTx; 
+    /********************************************/
+    /*     Update by TxParamaSetupRequest       */
+    /********************************************/
+    uint32_t   MacRx2Frequency ; 
+    uint8_t    MacRx2Sf;
+    uint8_t    MacRx1SfOffset;
+    /********************************************/
+    /*     Update by NewChannelReq command      */
+    /********************************************/
+    uint32_t   MacTxFrequency[16];
+    uint32_t   MacMinMaxSFChannel[16];
+    uint8_t    NbOfActiveChannel;
+    /********************************************/
+    /*   Update by RXTimingSetupReq command     */
+    /********************************************/
+    int        MacRx1Delay;
+    /********************************************/
+    /*   Other Data To store                    */
+    /********************************************/
+    uint16_t   FcntUp;
+    uint32_t   FcntDwn;  // Wrapping 16 to 32 bits is managed in AcceptFcntDwn Method
+    uint32_t   DevAddr;
+    uint8_t    nwkSKey[16];
+    uint8_t    appSKey[16];
+    
+    /*******************************************/
+    /* what about keys: AppEUI:Nwskey:AppSkey  */
+    /*******************************************/
+
+/* LoRaWan Mac Data for uplink*/
+    uint8_t    fPort;
+    uint8_t    MType;
+    uint8_t    MajorBits;
+    uint8_t    Fctrl;
+    uint8_t    AckBitForTx;
+    uint8_t    UserPayloadSize;
+    uint8_t    MacPayloadSize;
+
+
+
+/* LoRaWan Mac Data for downlink*/
+    uint8_t    fRxPort;
+    uint8_t    MtypeRx;
+    uint8_t    MajorRx;
+    uint8_t    FctrlRx;
+    uint8_t    FoptsLength;
+    uint8_t    Fopts[16];
+    uint8_t    FportRx;
+    uint8_t    MacRxPayloadSize;  //@note Have to by replace by a fifo objet to manage class c
+    uint8_t    MacRxPayload[255];  //@note Have to by replace by a fifo objet to manage class c
+    uint8_t    AvailableRxPacketForUser ;
+
+/* LoRaWan Mac Data for join */
+    uint16_t DevNonce;
+    uint8_t  JoinedStatus; 
+    
+/* LoRaWan Mac Data for nwk Ans */
+    uint8_t    MacNwkAns[255];  //@note reuse user payload data or at least reduce size or use opt byte
+    uint8_t    MacNwkAnsSize;
+
+/* LoraWan Config */
+    uint8_t AdrModeSelect;
+    
+    
+/* Objet RadioContainer*/
+    RadioContainer Phy;
+    
+/*  Timer */
+    Timeout    TimerLora ;
+    void       IsrTimerRx( void );
+    int        StateTimer;
+
+/*  Flash */
+    void LoadFromFlash             ( void );
+
+private :
+    void SetMacHeader              ( void );
+    void SetFrameHeader            ( void );// no opts
+    void GiveNextSf                ( void );
+    uint8_t GiveNextChannel       ( void );
+    int ExtractRxMhdr              ( void );
+    int CheckRxPayloadLength       ( void );
+    int ExtractRxFhdr              ( uint16_t *FcntDwnTemp ) ; 
+    int AcceptFcntDwn              ( uint16_t FcntDwnTmp ) ;
+    void SetAlarm                  ( uint32_t alarmInMs );
+    void LinkCheckParser           ( void );
+    void LinkADRParser             ( void );
+    void DutyCycleParser           ( void );
+    void RXParamSetupParser        ( void );
+    void DevStatusParser           ( void );
+    void NewChannelParser          ( void );
+    void RXTimingSetupParser       ( void );
+    uint8_t isValidRx1SfOffset     ( uint8_t );
+    uint8_t isValidMacRx2Sf        ( uint8_t );
+    uint8_t isValidMacRx2Frequency ( uint32_t );
+    uint8_t isValidDataRate        ( uint8_t );
+    uint8_t isValidTxPower         ( uint8_t );
+    uint8_t isValidChannelMask     ( uint16_t );
+    uint8_t isValidNbRep           ( uint8_t ) ;
+    void SaveInFlash               ( void );
+    uint8_t crypto_verifyMICandDecrypt ( uint8_t *frame_header, const uint8_t *encrypted_payload ,uint32_t micIn, uint8_t keySet, uint8_t *decrypted_payload, uint8_t PayloadSize);
+    sBackUpFlash BackUpFlash;
+}; 
+
+
+#endif