test
Fork of WizFi250Interface by
Diff: WizFi250/WizFi250_hal.cpp
- Revision:
- 0:e3dc9e54a15b
diff -r 000000000000 -r e3dc9e54a15b WizFi250/WizFi250_hal.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WizFi250/WizFi250_hal.cpp Tue Aug 30 00:05:24 2016 +0000 @@ -0,0 +1,155 @@ +/* + * Copyright (C) 2013 gsfan, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ +/* Copyright (C) 2014 Wiznet, MIT License + * port to the Wiznet Module WizFi250 + */ + +#include "WizFi250.h" + +void WizFi250::setReset(bool flg) +{ + if( flg ) + { + // low + _reset.output(); + _reset = 0; + } + else + { + // high z + _reset.input(); + _reset.mode(PullNone); + } +} + +void WizFi250::isrUart() +{ + char c; + + c = getUart(); + + recvData(c); + //S_UartPutc(c); +} + +int WizFi250::getUart() +{ + return _wizfi.getc(); +} + +void WizFi250::putUart (char c) +{ + _wizfi.putc(c); +} + +void WizFi250::setRts (bool flg) +{ + if (flg) + { + if(_flow == 2) + { + if(_rts) + { + _rts->write(0); // low + } + } + } + else + { + if(_flow == 2) + { + if(_rts) + { + _rts->write(1); // high + } + } + } +} + +int WizFi250::lockUart (int ms) +{ + Timer t; + + if(_state.mode != MODE_COMMAND) + { + t.start(); + while(_state.mode != MODE_COMMAND) + { + if(t.read_ms() >= ms) + { + WIZ_WARN("lock timeout (%d)\r\n", _state.mode); + return -1; + } + } + } + +#ifdef CFG_ENABLE_RTOS + if (_mutexUart.lock(ms) != osOK) return -1; +#endif + + if(_flow == 2) + { + if(_cts && _cts->read()) + { + // CTS check + t.start(); + while (_cts->read()) + { + if(t.read_ms() >= ms) + { + WIZ_DBG("cts timeout\r\n"); + return -1; + } + } + } + } + + setRts(false); // blcok + return 0; +} + +void WizFi250::unlockUart() +{ + setRts(true); // release +#ifdef CFG_ENABLE_RTOS + _mutexUart.unlock(); +#endif +} + +void WizFi250::initUart (PinName cts, PinName rts, PinName alarm, int baud) +{ + _baud = baud; + if (_baud) _wizfi.baud(_baud); + + _wizfi.attach(this, &WizFi250::isrUart, Serial::RxIrq); + + _cts = NULL; + _rts = NULL; + _flow = 0; + + if(cts != NC) + { + _cts = new DigitalIn(cts); + } + if(rts != NC) + { + _rts = new DigitalOut(rts); + _flow = 2; + } +}