RTOS Support.
Dependents: SerialRPC_rtos_example
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SerialRPCInterface.h
00001 /** 00002 * @section LICENSE 00003 *Copyright (c) 2010 ARM Ltd. 00004 * 00005 *Permission is hereby granted, free of charge, to any person obtaining a copy 00006 *of this software and associated documentation files (the "Software"), to deal 00007 *in the Software without restriction, including without limitation the rights 00008 *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00009 *copies of the Software, and to permit persons to whom the Software is 00010 *furnished to do so, subject to the following conditions: 00011 * 00012 *The above copyright notice and this permission notice shall be included in 00013 *all copies or substantial portions of the Software. 00014 * 00015 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00016 *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00017 *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00018 *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00019 *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00020 *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00021 *THE SOFTWARE. 00022 * 00023 * 00024 * @section DESCRIPTION 00025 * 00026 *This class sets up RPC communication over serial. 00027 */ 00028 #ifndef INTERFACE 00029 #define INTERFACE 00030 00031 /** 00032 *Includes 00033 */ 00034 #include "mbed.h" 00035 #include "rtos.h" 00036 #include "platform.h" 00037 #include "rpc.h" 00038 #include "RPCFunction.h" 00039 #include "RPCVariable.h" 00040 #include "RpcClasses.h" 00041 00042 #define PROCESS_THREAD 1 00043 00044 00045 namespace mbed{ 00046 /** 00047 *Provides an Interface to mbed over RPC. 00048 * 00049 *For the chosen communication type this class sets up the necessary interrupts to receive RPC messages. Receives the messages, passes them to the rpc function and then returns the result. 00050 */ 00051 class SerialRPCInterface{ 00052 public: 00053 /** 00054 *Constructor 00055 * 00056 *Sets up RPC communication using serial communication. 00057 * 00058 *@param tx The transmit pin of the serial port. 00059 *@param rx The receive pin of the serial port. 00060 *@param baud Set the baud rate, default is 9600. 00061 */ 00062 SerialRPCInterface(PinName tx, PinName rx, int baud = 9600); 00063 00064 /** 00065 *Disable the RPC. 00066 * 00067 *This will stop RPC messages being recevied and interpreted by this library. This might be used to prevent RPC commands interrupting an important piece of code on mbed. 00068 */ 00069 void Disable(void); 00070 00071 /** 00072 *Enable the RPC 00073 * 00074 *This will set this class to receiving and executing RPC commands. The class starts in this mode so this function only needs to be called if you have previosuly disabled the RPC. 00075 * 00076 */ 00077 void Enable(void); 00078 00079 //The Serial Port 00080 RawSerial pc; 00081 00082 00083 private: 00084 typedef struct { 00085 char command[256]; 00086 } mail_t; 00087 00088 //Handle messgaes and take appropriate action 00089 static void _MsgProcessStarter(const void *args); 00090 void _MsgProcess(void); 00091 void _RegClasses(void); 00092 void _RPCSerial(); 00093 bool _enabled; 00094 char _command[256]; 00095 char* _command_ptr; 00096 char _response[256]; 00097 bool _RPCflag; 00098 Thread _thread; 00099 Mail<mail_t, 8> _commandMail; 00100 }; 00101 } 00102 #endif
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