SerialRPCInterface.cpp

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. This allows objects on mbed to be controlled. Objects can be created or existing objects can be used
00027 */
00028 #include "SerialRPCInterface.h"
00029 
00030 using namespace mbed;
00031 
00032 //Requires multiple contstructors for each type, serial to set different pin numbers, TCP for port.
00033 SerialRPCInterface::SerialRPCInterface(PinName tx, PinName rx, int baud):pc(tx, rx) {
00034     _RegClasses();
00035     _enabled  = true;
00036      pc.attach(this, &SerialRPCInterface::_RPCSerial, Serial::RxIrq);
00037      if(baud != 9600)pc.baud(baud);
00038 }
00039 
00040 void SerialRPCInterface::_RegClasses(void){
00041     //Register classes with base 
00042     Base::add_rpc_class<AnalogIn>();
00043     Base::add_rpc_class<DigitalIn>();
00044     Base::add_rpc_class<DigitalOut>();
00045     Base::add_rpc_class<DigitalInOut>();
00046     Base::add_rpc_class<PwmOut>();
00047     Base::add_rpc_class<Timer>();
00048     Base::add_rpc_class<BusOut>();
00049     Base::add_rpc_class<BusIn>();
00050     Base::add_rpc_class<BusInOut>();
00051     Base::add_rpc_class<Serial>();
00052     
00053     //AnalogOut not avaliable on mbed LPC11U24 so only compile for other devices
00054     #if !defined(TARGET_LPC11U24) 
00055     Base::add_rpc_class<AnalogOut>();
00056     #endif
00057 }
00058 
00059 void SerialRPCInterface::Disable(void){
00060      _enabled = false;
00061  }
00062 void SerialRPCInterface::Enable(void){
00063     _enabled = true;
00064 }
00065 void SerialRPCInterface::_MsgProcess(void) {
00066     if(_enabled == true){
00067         rpc(_command, _response);
00068     }
00069 }
00070 
00071 void SerialRPCInterface::_RPCSerial() {
00072     _RPCflag = true;
00073     if(_enabled == true){
00074         pc.gets(_command, 256);
00075         _MsgProcess();
00076         pc.printf("%s\n", _response);
00077     }
00078     _RPCflag = false;
00079 }