nRF8001.h

00001 #ifndef _NRF_8001_H_
00002 #define _NRF_8001_H_
00003 
00004 #include "Arduino.h"
00005 
00006 #include <utility/lib_aci.h>
00007 #include <utility/aci_setup.h>
00008 
00009 #include "BLEAttribute.h"
00010 #include "BLECharacteristic.h"
00011 
00012 class nRF8001;
00013 
00014 class nRF8001EventListener
00015 {
00016   public:
00017     virtual void nRF8001Connected(nRF8001& nRF8001, const unsigned char* address) = 0;
00018     virtual void nRF8001Disconnected(nRF8001& nRF8001) = 0;
00019 
00020     virtual void nRF8001CharacteristicValueChanged(nRF8001& nRF8001, BLECharacteristic& characteristic, const unsigned char* value, unsigned char valueLength) = 0;
00021     virtual void nRF8001CharacteristicSubscribedChanged(nRF8001& nRF8001, BLECharacteristic& characteristic, bool subscribed) = 0;
00022 
00023     virtual void nRF8001AddressReceived(nRF8001& nRF8001, const unsigned char* address) = 0;
00024     virtual void nRF8001TemperatureReceived(nRF8001& nRF8001, float temperature) = 0;
00025     virtual void nRF8001BatteryLevelReceived(nRF8001& nRF8001, float batteryLevel) = 0;
00026 };
00027 
00028 
00029 class nRF8001
00030 {
00031   friend class BLEPeripheral;
00032 
00033   protected:
00034     struct pipeInfo {
00035       BLECharacteristic* characteristic;
00036 
00037       unsigned short     valueHandle;
00038       unsigned short     configHandle;
00039 
00040       unsigned char      startPipe;
00041       unsigned char      txPipe;
00042       unsigned char      txAckPipe;
00043       unsigned char      rxPipe;
00044       unsigned char      rxAckPipe;
00045       unsigned char      setPipe;
00046 
00047       bool               txPipeOpen;
00048       bool               txAckPipeOpen;
00049     };
00050 
00051     nRF8001(DigitalInOut *req, DigitalInOut *rdy, DigitalInOut *rst);
00052 
00053     virtual ~nRF8001();
00054 
00055     void setEventListener(nRF8001EventListener* eventListener);
00056 
00057     void begin(const unsigned char* advertisementData,
00058                 unsigned char advertisementDataLength,
00059                 const unsigned char* scanData,
00060                 unsigned char scanDataLength,
00061                 BLEAttribute** attributes,
00062                 unsigned char numAttributes);
00063 
00064     void poll();
00065 
00066     void disconnect();
00067 
00068     bool updateCharacteristicValue(BLECharacteristic& characteristic);
00069     bool canNotifyCharacteristic(BLECharacteristic& characteristic);
00070     bool canIndicateCharacteristic(BLECharacteristic& characteristic);
00071 
00072     void requestAddress();
00073     void requestTemperature();
00074     void requestBatteryLevel();
00075 
00076   private:
00077     void waitForSetupMode();
00078     void sendSetupMessage(hal_aci_data_t* data);
00079     void sendCrc();
00080 
00081   private:
00082     struct aci_state_t          _aciState;
00083     hal_aci_evt_t               _aciData;
00084 
00085     struct pipeInfo*            _pipeInfo;
00086     unsigned char               _numPipeInfo;
00087 
00088     unsigned short              _crcSeed;
00089 
00090     nRF8001EventListener*       _eventListener;
00091 };
00092 
00093 #endif