Fahad Mirza / MODSERIAL

MODSERIAL with support for more devices

Fork of MODSERIAL by Erik -

INIT.cpp@25:ae0408ebdd68, 2013-01-08 (annotated)

Committer:
AjK
Date:
Tue Jan 08 18:01:03 2013 +0000
Revision:
25:ae0408ebdd68
Parent:
24:9c456e647a8f
Child:
27:9c93ce7cb9d8
See ChangeLog.c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AjK 0:eb2522b41db8 1 /*
AjK 0:eb2522b41db8 2 Copyright (c) 2010 Andy Kirkham
AjK 0:eb2522b41db8 3
AjK 0:eb2522b41db8 4 Permission is hereby granted, free of charge, to any person obtaining a copy
AjK 0:eb2522b41db8 5 of this software and associated documentation files (the "Software"), to deal
AjK 0:eb2522b41db8 6 in the Software without restriction, including without limitation the rights
AjK 0:eb2522b41db8 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
AjK 0:eb2522b41db8 8 copies of the Software, and to permit persons to whom the Software is
AjK 0:eb2522b41db8 9 furnished to do so, subject to the following conditions:
AjK 0:eb2522b41db8 10
AjK 0:eb2522b41db8 11 The above copyright notice and this permission notice shall be included in
AjK 0:eb2522b41db8 12 all copies or substantial portions of the Software.
AjK 0:eb2522b41db8 13
AjK 0:eb2522b41db8 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
AjK 0:eb2522b41db8 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
AjK 0:eb2522b41db8 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AjK 0:eb2522b41db8 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
AjK 0:eb2522b41db8 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AjK 0:eb2522b41db8 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
AjK 0:eb2522b41db8 20 THE SOFTWARE.
AjK 0:eb2522b41db8 21 */
AjK 0:eb2522b41db8 22
AjK 0:eb2522b41db8 23 #include "MODSERIAL.h"
AjK 0:eb2522b41db8 24 #include "MACROS.h"
AjK 0:eb2522b41db8 25
AjK 24:9c456e647a8f 26
AjK 0:eb2522b41db8 27 namespace AjK {
AjK 0:eb2522b41db8 28
AjK 0:eb2522b41db8 29 void
AjK 24:9c456e647a8f 30 MODSERIAL::init( int txSize, int rxSize, PinName rx )
AjK 0:eb2522b41db8 31 {
AjK 0:eb2522b41db8 32 disableIrq();
AjK 0:eb2522b41db8 33
AjK 18:21ef26402365 34 callbackInfo.setSerial(this);
AjK 23:5c45c21f36b7 35
AjK 23:5c45c21f36b7 36 #ifdef __LPC11UXX_H__
AjK 23:5c45c21f36b7 37
AjK 23:5c45c21f36b7 38 _base = LPC_USART;
AjK 18:21ef26402365 39
AjK 23:5c45c21f36b7 40 #else
AjK 24:9c456e647a8f 41 switch( _serial.index ) {
AjK 24:9c456e647a8f 42 case 0: _base = LPC_UART0; break;
AjK 24:9c456e647a8f 43 case 1: _base = LPC_UART1; break;
AjK 24:9c456e647a8f 44 case 2: _base = LPC_UART2; break;
AjK 24:9c456e647a8f 45 case 3: _base = LPC_UART3; break;
AjK 24:9c456e647a8f 46 default: _base = NULL; break;
AjK 2:b936b4acbd92 47 }
AjK 23:5c45c21f36b7 48 #endif
AjK 0:eb2522b41db8 49
AjK 9:b3cdae80e7a9 50 dmaSendChannel = -1;
AjK 9:b3cdae80e7a9 51 moddma_p = (void *)NULL;
AjK 9:b3cdae80e7a9 52
AjK 24:9c456e647a8f 53 if ( _base != NULL ) {
AjK 0:eb2522b41db8 54 buffer_size[RxIrq] = rxSize;
AjK 8:775f860e94d3 55 buffer[RxIrq] = rxSize > 0 ? (char *)malloc(buffer_size[RxIrq]) : (char *)NULL;
AjK 0:eb2522b41db8 56 buffer_in[RxIrq] = 0;
AjK 0:eb2522b41db8 57 buffer_out[RxIrq] = 0;
AjK 0:eb2522b41db8 58 buffer_count[RxIrq] = 0;
AjK 0:eb2522b41db8 59 buffer_overflow[RxIrq] = 0;
AjK 25:ae0408ebdd68 60 Serial::attach( this, &MODSERIAL::isr_rx, Serial::RxIrq );
AjK 0:eb2522b41db8 61
AjK 0:eb2522b41db8 62 buffer_size[TxIrq] = txSize;
AjK 8:775f860e94d3 63 buffer[TxIrq] = txSize > 0 ? (char *)malloc(buffer_size[TxIrq]) : (char *)NULL;
AjK 0:eb2522b41db8 64 buffer_in[TxIrq] = 0;
AjK 0:eb2522b41db8 65 buffer_out[TxIrq] = 0;
AjK 0:eb2522b41db8 66 buffer_count[TxIrq] = 0;
AjK 0:eb2522b41db8 67 buffer_overflow[TxIrq] = 0;
AjK 25:ae0408ebdd68 68 Serial::attach( this, &MODSERIAL::isr_tx, Serial::TxIrq );
AjK 0:eb2522b41db8 69 }
AjK 2:b936b4acbd92 70 else {
AjK 2:b936b4acbd92 71 error("MODSERIAL must have a defined UART to function.");
AjK 2:b936b4acbd92 72 }
AjK 0:eb2522b41db8 73
AjK 0:eb2522b41db8 74 _FCR = MODSERIAL_FIFO_ENABLE | MODSERIAL_FIFO_RX_RESET | MODSERIAL_FIFO_TX_RESET;
AjK 0:eb2522b41db8 75
AjK 12:8c7394e2ae7f 76 auto_detect_char = 0;
AjK 12:8c7394e2ae7f 77
AjK 0:eb2522b41db8 78 enableIrq();
AjK 0:eb2522b41db8 79 }
AjK 0:eb2522b41db8 80
AjK 0:eb2522b41db8 81 }; // namespace AjK ends