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 * Substantially updated Jan 2016 to work with the updated RPC system
00029 */
00030 #include "SerialRPCInterface.h"
00031 
00032 using namespace mbed;
00033 
00034 //Requires multiple contstructors for each type, serial to set different pin numbers, TCP for port.
00035 SerialRPCInterface::SerialRPCInterface(PinName tx, PinName rx, int baud):pc(tx, rx) {
00036     _RegClasses();
00037     _enabled  = true;
00038      pc.attach(this, &SerialRPCInterface::_RPCSerial, Serial::RxIrq);
00039      if(baud != 9600)pc.baud(baud);
00040 }
00041 
00042 void SerialRPCInterface::_RegClasses(void){
00043     
00044     //Register classes with base 
00045     #if DEVICE_ANALOGIN
00046     //RPC::add_rpc_class<RpcAnalogIn>();
00047     #endif
00048     RPC::add_rpc_class<RpcDigitalIn>();
00049     RPC::add_rpc_class<RpcDigitalOut>();
00050     RPC::add_rpc_class<RpcDigitalInOut>();
00051     RPC::add_rpc_class<RpcPwmOut>();
00052     RPC::add_rpc_class<RpcTimer>();
00053     //RPC::add_rpc_class<RpcBusOut>();
00054     //RPC::add_rpc_class<RpcBusIn>();
00055     //RPC::add_rpc_class<RpcBusInOut>();
00056     RPC::add_rpc_class<RpcSerial>();
00057     
00058     //AnalogOut not avaliable on mbed LPC11U24 so only compile for other devices
00059     #if DEVICE_ANALOGOUT
00060     //RPC::add_rpc_class<RpcAnalogOut>();
00061     #endif
00062     
00063 }
00064 
00065 void SerialRPCInterface::Disable(void){
00066      _enabled = false;
00067  }
00068 void SerialRPCInterface::Enable(void){
00069     _enabled = true;
00070 }
00071 void SerialRPCInterface::_MsgProcess(void) {
00072     if(_enabled == true){
00073         RPC::call(_command, _response);
00074     }
00075 }
00076 
00077 void SerialRPCInterface::_RPCSerial() {
00078     _RPCflag = true;
00079     if(_enabled == true){
00080         pc.gets(_command, 256);
00081         _MsgProcess();
00082         pc.printf("%s\n", _response);
00083     }
00084     _RPCflag = false;
00085 }