afLib.h

00001 /**
00002  * Copyright 2015 Afero, Inc.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #ifndef AFLIB_H__
00018 #define AFLIB_H__
00019 
00020 #include "mbed.h"
00021 #include "iafLib.h"
00022 #include "SPI.h"
00023 #include "Command.h"
00024 #include "StatusCommand.h"
00025 #include "afSPI.h"
00026 // #include "WatchDogWrapper.hpp"
00027 
00028 #define STATE_IDLE                          0
00029 #define STATE_STATUS_SYNC                   1
00030 #define STATE_STATUS_ACK                    3
00031 #define STATE_SEND_BYTES                    4
00032 #define STATE_RECV_BYTES                    5
00033 #define STATE_CMD_COMPLETE                  6
00034 
00035 #define SPI_FRAME_LEN                       16
00036 
00037 #define REQUEST_QUEUE_SIZE                  10
00038 
00039 typedef struct {
00040     uint8_t     messageType;
00041     uint16_t    attrId;
00042     uint8_t     requestId;
00043     uint16_t    valueLen;
00044     uint8_t     *p_value;
00045 } request_t;
00046 
00047 class afLib : public iafLib {
00048 public:
00049     afLib(PinName mcuInterrupt, isr isrWrapper,
00050           onAttributeSet attrSet, onAttributeSetComplete attrSetComplete, afSPI *theSPI);
00051 //wsugi 20161128
00052     ~afLib();
00053 //wsugi 20161128
00054 
00055 // motoo tanaka 20171116
00056     virtual int getRequestId(void) ;
00057 // motoo tanaka 20171116
00058     
00059     virtual void loop(void);
00060 
00061     virtual int getAttribute(const uint16_t attrId);
00062 
00063     virtual int setAttributeBool(const uint16_t attrId, const bool value);
00064 
00065     virtual int setAttribute8(const uint16_t attrId, const int8_t value);
00066 
00067     virtual int setAttribute16(const uint16_t attrId, const int16_t value);
00068 
00069     virtual int setAttribute32(const uint16_t attrId, const int32_t value);
00070 
00071     virtual int setAttribute64(const uint16_t attrId, const int64_t value);
00072 
00073     virtual int setAttribute(const uint16_t attrId, const string &value);
00074 
00075     virtual int setAttribute(const uint16_t attrId, const uint16_t valueLen, const char *value);
00076 
00077     virtual int setAttribute(const uint16_t attrId, const uint16_t valueLen, const uint8_t *value);
00078 
00079     virtual int setAttributeComplete(uint8_t requestId, const uint16_t attrId, const uint16_t valueLen, const uint8_t *value);
00080 
00081     virtual bool isIdle();
00082 
00083     virtual void mcuISR();
00084 
00085 private:
00086     Timeout deathWish;
00087     Timer *checkLastSync;
00088     static void kick_the_bucket();
00089     afSPI *_theSPI;
00090 
00091     //SPISettings _spiSettings;
00092     volatile int _interrupts_pending;
00093     int _state;
00094     uint16_t _bytesToSend;
00095     uint16_t _bytesToRecv;
00096     uint8_t _requestId;
00097     uint16_t _outstandingSetGetAttrId;
00098 
00099     // Application Callbacks.
00100     onAttributeSet _onAttrSet;
00101     onAttributeSetComplete _onAttrSetComplete;
00102 
00103     Command *_writeCmd;
00104     uint16_t _writeBufferLen;
00105     uint8_t *_writeBuffer;
00106 
00107     Command *_readCmd;
00108     uint16_t _readBufferLen;
00109     uint8_t *_readBuffer;
00110 
00111     int _writeCmdOffset;
00112     int _readCmdOffset;
00113 
00114     StatusCommand *_txStatus;
00115     StatusCommand *_rxStatus;
00116 
00117     request_t _request;
00118     request_t _requestQueue[REQUEST_QUEUE_SIZE];
00119 
00120 #ifdef ATTRIBUTE_CLI
00121     int parseCommand(const char *cmd);
00122 #endif
00123 
00124     void sendCommand(void);
00125 
00126     void runStateMachine(void);
00127 
00128     void printState(int state);
00129 
00130     //void beginSPI();
00131 
00132     //void endSPI();
00133 
00134     int exchangeStatus(StatusCommand *tx, StatusCommand *rx);
00135 
00136     bool inSync(StatusCommand *tx, StatusCommand *rx);
00137 
00138     int writeStatus(StatusCommand *c);
00139 
00140     void sendBytes();
00141 
00142     void recvBytes();
00143 
00144     void dumpBytes(char *label, int len, uint8_t *bytes);
00145 
00146     void updateIntsPending(int amount);
00147 
00148     void queueInit(void);
00149 
00150     int queuePut(uint8_t messageType, uint8_t requestId, const uint16_t attributeId, uint16_t valueLen, const uint8_t *value);
00151 
00152     int queueGet(uint8_t *messageType, uint8_t *requestId, uint16_t *attributeId, uint16_t *valueLen, uint8_t **value);
00153 
00154     int doGetAttribute(uint8_t requestId, uint16_t attrId);
00155 
00156     int doSetAttribute(uint8_t requestId, uint16_t attrId, uint16_t valueLen, uint8_t *value);
00157 
00158     int doUpdateAttribute(uint8_t requestId, uint16_t attrId, uint8_t status, uint16_t valueLen, uint8_t *value);
00159 
00160     void onStateIdle(void);
00161     void onStateSync(void);
00162     void onStateAck(void);
00163     void onStateSendBytes(void);
00164     void onStateRecvBytes(void);
00165     void onStateCmdComplete(void);
00166     void printTransaction(uint8_t *rbytes, int len);
00167     InterruptIn fco;
00168 };
00169 
00170 #endif // AFLIB_H__