Serial RPC Interface using the MODSERIAL library. Does not hang when serial port misbehaves.
SerialRPCInterface.cpp@0:66e48adbb27b, 2011-02-03 (annotated)
- Committer:
- zainulcharbiwala
- Date:
- Thu Feb 03 22:23:29 2011 +0000
- Revision:
- 0:66e48adbb27b
- Child:
- 1:cf1aa160edc1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
zainulcharbiwala | 0:66e48adbb27b | 1 | /** |
zainulcharbiwala | 0:66e48adbb27b | 2 | * @section LICENSE |
zainulcharbiwala | 0:66e48adbb27b | 3 | *Copyright (c) 2010 ARM Ltd. |
zainulcharbiwala | 0:66e48adbb27b | 4 | * |
zainulcharbiwala | 0:66e48adbb27b | 5 | *Permission is hereby granted, free of charge, to any person obtaining a copy |
zainulcharbiwala | 0:66e48adbb27b | 6 | *of this software and associated documentation files (the "Software"), to deal |
zainulcharbiwala | 0:66e48adbb27b | 7 | *in the Software without restriction, including without limitation the rights |
zainulcharbiwala | 0:66e48adbb27b | 8 | *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
zainulcharbiwala | 0:66e48adbb27b | 9 | *copies of the Software, and to permit persons to whom the Software is |
zainulcharbiwala | 0:66e48adbb27b | 10 | *furnished to do so, subject to the following conditions: |
zainulcharbiwala | 0:66e48adbb27b | 11 | * |
zainulcharbiwala | 0:66e48adbb27b | 12 | *The above copyright notice and this permission notice shall be included in |
zainulcharbiwala | 0:66e48adbb27b | 13 | *all copies or substantial portions of the Software. |
zainulcharbiwala | 0:66e48adbb27b | 14 | * |
zainulcharbiwala | 0:66e48adbb27b | 15 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
zainulcharbiwala | 0:66e48adbb27b | 16 | *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
zainulcharbiwala | 0:66e48adbb27b | 17 | *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
zainulcharbiwala | 0:66e48adbb27b | 18 | *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
zainulcharbiwala | 0:66e48adbb27b | 19 | *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
zainulcharbiwala | 0:66e48adbb27b | 20 | *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
zainulcharbiwala | 0:66e48adbb27b | 21 | *THE SOFTWARE. |
zainulcharbiwala | 0:66e48adbb27b | 22 | * |
zainulcharbiwala | 0:66e48adbb27b | 23 | * |
zainulcharbiwala | 0:66e48adbb27b | 24 | * @section DESCRIPTION |
zainulcharbiwala | 0:66e48adbb27b | 25 | * |
zainulcharbiwala | 0:66e48adbb27b | 26 | *This class sets up RPC communication. This allows objects on mbed to be controlled. Objects can be created or existing objects can be used |
zainulcharbiwala | 0:66e48adbb27b | 27 | */ |
zainulcharbiwala | 0:66e48adbb27b | 28 | #include "SerialRPCInterface.h" |
zainulcharbiwala | 0:66e48adbb27b | 29 | |
zainulcharbiwala | 0:66e48adbb27b | 30 | using namespace mbed; |
zainulcharbiwala | 0:66e48adbb27b | 31 | |
zainulcharbiwala | 0:66e48adbb27b | 32 | //Requires multiple contstructors for each type, serial to set different pin numbers, TCP for port. |
zainulcharbiwala | 0:66e48adbb27b | 33 | SerialRPCInterface::SerialRPCInterface(PinName tx, PinName rx, int baud):pc(tx, rx) { |
zainulcharbiwala | 0:66e48adbb27b | 34 | _RegClasses(); |
zainulcharbiwala | 0:66e48adbb27b | 35 | _enabled = true; |
zainulcharbiwala | 0:66e48adbb27b | 36 | pc.attach(this, &SerialRPCInterface::_RPCSerial, MODSERIAL::RxIrq); |
zainulcharbiwala | 0:66e48adbb27b | 37 | if(baud != 9600)pc.baud(baud); |
zainulcharbiwala | 0:66e48adbb27b | 38 | } |
zainulcharbiwala | 0:66e48adbb27b | 39 | |
zainulcharbiwala | 0:66e48adbb27b | 40 | void SerialRPCInterface::_RegClasses(void){ |
zainulcharbiwala | 0:66e48adbb27b | 41 | //Register classes with base |
zainulcharbiwala | 0:66e48adbb27b | 42 | Base::add_rpc_class<AnalogIn>(); |
zainulcharbiwala | 0:66e48adbb27b | 43 | Base::add_rpc_class<AnalogOut>(); |
zainulcharbiwala | 0:66e48adbb27b | 44 | Base::add_rpc_class<DigitalIn>(); |
zainulcharbiwala | 0:66e48adbb27b | 45 | Base::add_rpc_class<DigitalOut>(); |
zainulcharbiwala | 0:66e48adbb27b | 46 | Base::add_rpc_class<DigitalInOut>(); |
zainulcharbiwala | 0:66e48adbb27b | 47 | Base::add_rpc_class<PwmOut>(); |
zainulcharbiwala | 0:66e48adbb27b | 48 | Base::add_rpc_class<Timer>(); |
zainulcharbiwala | 0:66e48adbb27b | 49 | Base::add_rpc_class<BusOut>(); |
zainulcharbiwala | 0:66e48adbb27b | 50 | Base::add_rpc_class<BusIn>(); |
zainulcharbiwala | 0:66e48adbb27b | 51 | Base::add_rpc_class<BusInOut>(); |
zainulcharbiwala | 0:66e48adbb27b | 52 | Base::add_rpc_class<Serial>(); |
zainulcharbiwala | 0:66e48adbb27b | 53 | } |
zainulcharbiwala | 0:66e48adbb27b | 54 | |
zainulcharbiwala | 0:66e48adbb27b | 55 | void SerialRPCInterface::Disable(void){ |
zainulcharbiwala | 0:66e48adbb27b | 56 | _enabled = false; |
zainulcharbiwala | 0:66e48adbb27b | 57 | } |
zainulcharbiwala | 0:66e48adbb27b | 58 | void SerialRPCInterface::Enable(void){ |
zainulcharbiwala | 0:66e48adbb27b | 59 | _enabled = true; |
zainulcharbiwala | 0:66e48adbb27b | 60 | } |
zainulcharbiwala | 0:66e48adbb27b | 61 | void SerialRPCInterface::_MsgProcess(void) { |
zainulcharbiwala | 0:66e48adbb27b | 62 | if(_enabled == true){ |
zainulcharbiwala | 0:66e48adbb27b | 63 | rpc(_command, _response); |
zainulcharbiwala | 0:66e48adbb27b | 64 | } |
zainulcharbiwala | 0:66e48adbb27b | 65 | } |
zainulcharbiwala | 0:66e48adbb27b | 66 | |
zainulcharbiwala | 0:66e48adbb27b | 67 | void SerialRPCInterface::_RPCSerial() { |
zainulcharbiwala | 0:66e48adbb27b | 68 | _RPCflag = true; |
zainulcharbiwala | 0:66e48adbb27b | 69 | if(_enabled == true && pc.rxGetLastChar() == '\n') { |
zainulcharbiwala | 0:66e48adbb27b | 70 | pc.gets(_command, 256); |
zainulcharbiwala | 0:66e48adbb27b | 71 | _MsgProcess(); |
zainulcharbiwala | 0:66e48adbb27b | 72 | pc.printf("%s\n", _response); |
zainulcharbiwala | 0:66e48adbb27b | 73 | } |
zainulcharbiwala | 0:66e48adbb27b | 74 | _RPCflag = false; |
zainulcharbiwala | 0:66e48adbb27b | 75 | } |