Fork of MODSERIAL that works with LPC4088
Fork of MODSERIAL by
Diff: FLUSH.cpp
- Revision:
- 0:eb2522b41db8
- Child:
- 2:b936b4acbd92
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FLUSH.cpp Sat Nov 20 16:54:05 2010 +0000 @@ -0,0 +1,49 @@ +/* + Copyright (c) 2010 Andy Kirkham + + 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. +*/ + +#include "MODSERIAL.h" +#include "MACROS.h" + +namespace AjK { + +void +MODSERIAL::flushBuffer(IrqType type) +{ + volatile char c __attribute__((unused)); + volatile uint32_t iir __attribute__((unused)); + + uint32_t ier = _IER; + switch(type) { + case TxIrq: _IER &= ~(1UL << 1); break; + case RxIrq: _IER &= ~(1UL << 0); break; + } + buffer_in[type] = 0; + buffer_out[type] = 0; + buffer_count[type] = 0; + buffer_overflow[type] = 0; + _FCR = MODSERIAL_FIFO_RX_RESET | MODSERIAL_FIFO_TX_RESET; + _FCR = MODSERIAL_FIFO_ENABLE; + iir = _IIR; + _IER = ier; +} + +}; // namespace AjK ends