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MODSERIAL_INIT.cpp
00001 /* 00002 Copyright (c) 2010 Andy Kirkham 00003 00004 Permission is hereby granted, free of charge, to any person obtaining a copy 00005 of this software and associated documentation files (the "Software"), to deal 00006 in the Software without restriction, including without limitation the rights 00007 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00008 copies of the Software, and to permit persons to whom the Software is 00009 furnished to do so, subject to the following conditions: 00010 00011 The above copyright notice and this permission notice shall be included in 00012 all copies or substantial portions of the Software. 00013 00014 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00015 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00016 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00017 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00018 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00019 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00020 THE SOFTWARE. 00021 */ 00022 00023 #include "MODSERIAL.h" 00024 #include "MACROS.h" 00025 00026 00027 namespace AjK { 00028 00029 void 00030 MODSERIAL::init( int txSize, int rxSize, PinName rx ) 00031 { 00032 disableIrq(); 00033 00034 callbackInfo.setSerial(this); 00035 00036 #ifdef __LPC11UXX_H__ 00037 00038 _base = LPC_USART; 00039 00040 #else 00041 switch( _serial.index ) { 00042 case 0: _base = LPC_UART0; break; 00043 case 1: _base = LPC_UART1; break; 00044 case 2: _base = LPC_UART2; break; 00045 case 3: _base = LPC_UART3; break; 00046 default: _base = NULL; break; 00047 } 00048 #endif 00049 00050 dmaSendChannel = -1; 00051 moddma_p = (void *)NULL; 00052 00053 if ( _base != NULL ) { 00054 buffer_size[RxIrq] = rxSize; 00055 buffer[RxIrq] = rxSize > 0 ? (char *)malloc(buffer_size[RxIrq]) : (char *)NULL; 00056 buffer_in[RxIrq] = 0; 00057 buffer_out[RxIrq] = 0; 00058 buffer_count[RxIrq] = 0; 00059 buffer_overflow[RxIrq] = 0; 00060 Serial::attach( this, &MODSERIAL::isr_rx, Serial::RxIrq ); 00061 00062 buffer_size[TxIrq] = txSize; 00063 buffer[TxIrq] = txSize > 0 ? (char *)malloc(buffer_size[TxIrq]) : (char *)NULL; 00064 buffer_in[TxIrq] = 0; 00065 buffer_out[TxIrq] = 0; 00066 buffer_count[TxIrq] = 0; 00067 buffer_overflow[TxIrq] = 0; 00068 Serial::attach( this, &MODSERIAL::isr_tx, Serial::TxIrq ); 00069 } 00070 else { 00071 error("MODSERIAL must have a defined UART to function."); 00072 } 00073 00074 _FCR = MODSERIAL_FIFO_ENABLE | MODSERIAL_FIFO_RX_RESET | MODSERIAL_FIFO_TX_RESET; 00075 00076 auto_detect_char = 0; 00077 00078 enableIrq(); 00079 } 00080 00081 }; // namespace AjK ends
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