MODSERIAL with support for more devices. Added support for LPC4330

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Show/hide line numbers INIT.cpp Source File

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     #define MODSERIAL_FCR  0x08
00027     #define _FCR    *((char *)_base+MODSERIAL_FCR)
00028     
00029     #define MODSERIAL_FIFO_ENABLE   1
00030 #define MODSERIAL_FIFO_RX_RESET 2
00031 #define MODSERIAL_FIFO_TX_RESET 4
00032 
00033 
00034 namespace AjK {
00035 
00036 void
00037 MODSERIAL::init( int txSize, int rxSize, PinName rx )
00038 {
00039     
00040     NVIC_DisableIRQ(_IRQ);
00041     setBase();
00042 
00043     callbackInfo.setSerial(this);
00044 
00045     
00046     if ( _base != NULL ) {
00047         buffer_size[RxIrq]     = rxSize;
00048         buffer[RxIrq]          = rxSize > 0 ? (char *)malloc(buffer_size[RxIrq]) : (char *)NULL;
00049         buffer_in[RxIrq]       = 0;
00050         buffer_out[RxIrq]      = 0;
00051         buffer_count[RxIrq]    = 0;
00052         buffer_overflow[RxIrq] = 0;
00053         Serial::attach( this, &MODSERIAL::isr_rx, Serial::RxIrq );        
00054         
00055         buffer_size[TxIrq]     = txSize;
00056         buffer[TxIrq]          = txSize > 0 ? (char *)malloc(buffer_size[TxIrq]) : (char *)NULL;
00057         buffer_in[TxIrq]       = 0;
00058         buffer_out[TxIrq]      = 0;
00059         buffer_count[TxIrq]    = 0;
00060         buffer_overflow[TxIrq] = 0;
00061         Serial::attach( this, &MODSERIAL::isr_tx, Serial::TxIrq );
00062     }
00063     else {
00064         error("MODSERIAL must have a defined UART to function.");
00065     }
00066     
00067 
00068     initDevice();
00069 
00070     //_FCR = MODSERIAL_FIFO_ENABLE | MODSERIAL_FIFO_RX_RESET | MODSERIAL_FIFO_TX_RESET;
00071     
00072     auto_detect_char = 0;
00073     
00074     NVIC_EnableIRQ(_IRQ);
00075 }
00076 
00077 }; // namespace AjK ends
00078