MODSERIAL with support for more devices
Fork of MODSERIAL by
Diff: INIT.cpp
- Revision:
- 0:eb2522b41db8
- Child:
- 2:b936b4acbd92
diff -r 000000000000 -r eb2522b41db8 INIT.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/INIT.cpp Sat Nov 20 16:54:05 2010 +0000 @@ -0,0 +1,78 @@ +/* + 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::init(int txSize, int rxSize) +{ + disableIrq(); + + setBase(); + + if (_base != NULL) { + buffer_size[RxIrq] = rxSize; + buffer[RxIrq] = (char *)malloc(buffer_size[RxIrq]); + buffer_in[RxIrq] = 0; + buffer_out[RxIrq] = 0; + buffer_count[RxIrq] = 0; + buffer_overflow[RxIrq] = 0; + Serial::attach(this, &MODSERIAL::isr_rx, Serial::RxIrq); + + buffer_size[TxIrq] = txSize; + buffer[TxIrq] = (char *)malloc(buffer_size[TxIrq]); + buffer_in[TxIrq] = 0; + buffer_out[TxIrq] = 0; + buffer_count[TxIrq] = 0; + buffer_overflow[TxIrq] = 0; + Serial::attach(this, &MODSERIAL::isr_tx, Serial::TxIrq); + } + + if (!txBufferSane()) { + error("Failed to allocate memory for TX buffer"); + } + + if (!rxBufferSane()) { + error("Failed to allocate memory for RX buffer"); + } + + _FCR = MODSERIAL_FIFO_ENABLE | MODSERIAL_FIFO_RX_RESET | MODSERIAL_FIFO_TX_RESET; + + enableIrq(); +} + +void +MODSERIAL::setBase(void) +{ + switch(_uidx) { + case 0: _base = LPC_UART0; break; + case 1: _base = LPC_UART1; break; + case 2: _base = LPC_UART2; break; + case 3: _base = LPC_UART3; break; + default : _base = NULL; break; + } +} + +}; // namespace AjK ends