Command.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 COMMAND_H__
00018 #define COMMAND_H__
00019 
00020 #include "mbed.h"
00021 #define Stream Serial
00022 
00023 #include "msg_types.h"
00024 
00025 #define SPI_CMD_MAX_LEN  256
00026 
00027 class Command {
00028 public:
00029     Command(Stream *,uint16_t len, uint8_t *bytes);
00030 
00031     Command(Stream *,uint8_t requestId, const char *str);
00032 
00033     Command(Stream *,uint8_t requestId, uint8_t cmd, uint16_t attrId);
00034 
00035     Command(Stream *,uint8_t requestId, uint8_t cmd, uint16_t attrId, uint16_t valueLen, uint8_t *value);
00036 
00037     Command(Stream *,uint8_t requestId, uint8_t cmd, uint16_t attrId, uint8_t status, uint8_t reason, uint16_t valueLen,
00038             uint8_t *value);
00039 
00040     Command(Stream *);
00041 
00042     ~Command();
00043 
00044     uint8_t getCommand();
00045 
00046     uint8_t getReqId();
00047 
00048     uint16_t getAttrId();
00049 
00050     uint16_t getValueLen();
00051 
00052     void getValue(uint8_t *value);
00053 
00054     uint8_t *getValueP();
00055 
00056     uint16_t getSize();
00057 
00058     uint16_t getBytes(uint8_t *bytes);
00059 
00060     uint8_t getReason();
00061 
00062     bool isValid();
00063 
00064     void dump();
00065 
00066     void dumpBytes();
00067 
00068 private:
00069     uint8_t getVal(char c);
00070     int strToValue(char *valueStr, uint8_t *value);
00071 
00072     uint8_t strToCmd(char *cmdStr);
00073 
00074     uint16_t strToAttrId(char *attrIdStr);
00075 
00076     Serial *_serial ; /* Stream *_serial; // Arduino */
00077 
00078     uint16_t _len;
00079     uint8_t _cmd;
00080     uint8_t _requestId;
00081     uint16_t _attrId;
00082     uint8_t _status;
00083     uint8_t _reason;
00084     uint16_t _valueLen;
00085     uint8_t *_value;
00086 
00087     char _printBuf[256];
00088 
00089 };
00090 
00091 #endif // COMMAND_H__
00092