add LPC1114FN28 support
Dependents: rosserial_mbed_lib
Fork of MODSERIAL by
Diff: PUTC.cpp
- Revision:
- 0:eb2522b41db8
- Child:
- 2:b936b4acbd92
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PUTC.cpp Sat Nov 20 16:54:05 2010 +0000 @@ -0,0 +1,56 @@ +/* + 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 { + +int +MODSERIAL::__putc(int c, bool block) { + uint32_t lsr = (uint32_t)*((char *)_base + MODSERIAL_LSR); + + if (lsr & 0x20 && MODSERIAL_TX_BUFFER_EMPTY ) { + _THR = (uint32_t)c; + } + else { + if (buffer[TxIrq] != (char *)NULL) { + if (block) while ( MODSERIAL_TX_BUFFER_FULL ) ; // Blocks! + else if( MODSERIAL_TX_BUFFER_FULL ) { + buffer_overflow[TxIrq] = c; // Oh dear, no room in buffer. + _isr[TxOvIrq].call(); + return -1; + } + buffer[TxIrq][buffer_in[TxIrq]] = c; + buffer_count[TxIrq]++; + buffer_in[TxIrq]++; + if (buffer_in[TxIrq] >= buffer_size[TxIrq]) { + buffer_in[TxIrq] = 0; + } + _IER |= 0x2; + } + } + + return 0; +} + +}; // namespace AjK ends