Fahad Mirza / MODSERIAL

MODSERIAL with support for more devices

Fork of MODSERIAL by Erik -

INIT.cpp@23:5c45c21f36b7, 2012-07-25 (annotated)

Committer:
AjK
Date:
Wed Jul 25 22:27:49 2012 +0000
Revision:
23:5c45c21f36b7
Parent:
18:21ef26402365
Child:
24:9c456e647a8f
Add support for LPC11U24

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 0:eb2522b41db8 26 namespace AjK {
AjK 0:eb2522b41db8 27
AjK 0:eb2522b41db8 28 void
AjK 23:5c45c21f36b7 29 MODSERIAL::init( int txSize, int rxSize )
AjK 0:eb2522b41db8 30 {
AjK 0:eb2522b41db8 31 disableIrq();
AjK 0:eb2522b41db8 32
AjK 18:21ef26402365 33 callbackInfo.setSerial(this);
AjK 23:5c45c21f36b7 34
AjK 23:5c45c21f36b7 35 #ifdef __LPC11UXX_H__
AjK 23:5c45c21f36b7 36
AjK 23:5c45c21f36b7 37 _base = LPC_USART;
AjK 18:21ef26402365 38
AjK 23:5c45c21f36b7 39 #else
AjK 2:b936b4acbd92 40 switch(_uidx) {
AjK 2:b936b4acbd92 41 case 0: _base = LPC_UART0; break;
AjK 2:b936b4acbd92 42 case 1: _base = LPC_UART1; break;
AjK 2:b936b4acbd92 43 case 2: _base = LPC_UART2; break;
AjK 2:b936b4acbd92 44 case 3: _base = LPC_UART3; break;
AjK 2:b936b4acbd92 45 default : _base = NULL; break;
AjK 2:b936b4acbd92 46 }
AjK 23:5c45c21f36b7 47 #endif
AjK 0:eb2522b41db8 48
AjK 9:b3cdae80e7a9 49 dmaSendChannel = -1;
AjK 9:b3cdae80e7a9 50 moddma_p = (void *)NULL;
AjK 9:b3cdae80e7a9 51
AjK 0:eb2522b41db8 52 if (_base != NULL) {
AjK 0:eb2522b41db8 53 buffer_size[RxIrq] = rxSize;
AjK 8:775f860e94d3 54 buffer[RxIrq] = rxSize > 0 ? (char *)malloc(buffer_size[RxIrq]) : (char *)NULL;
AjK 0:eb2522b41db8 55 buffer_in[RxIrq] = 0;
AjK 0:eb2522b41db8 56 buffer_out[RxIrq] = 0;
AjK 0:eb2522b41db8 57 buffer_count[RxIrq] = 0;
AjK 0:eb2522b41db8 58 buffer_overflow[RxIrq] = 0;
AjK 0:eb2522b41db8 59 Serial::attach(this, &MODSERIAL::isr_rx, Serial::RxIrq);
AjK 0:eb2522b41db8 60
AjK 0:eb2522b41db8 61 buffer_size[TxIrq] = txSize;
AjK 8:775f860e94d3 62 buffer[TxIrq] = txSize > 0 ? (char *)malloc(buffer_size[TxIrq]) : (char *)NULL;
AjK 0:eb2522b41db8 63 buffer_in[TxIrq] = 0;
AjK 0:eb2522b41db8 64 buffer_out[TxIrq] = 0;
AjK 0:eb2522b41db8 65 buffer_count[TxIrq] = 0;
AjK 0:eb2522b41db8 66 buffer_overflow[TxIrq] = 0;
AjK 0:eb2522b41db8 67 Serial::attach(this, &MODSERIAL::isr_tx, Serial::TxIrq);
AjK 0:eb2522b41db8 68 }
AjK 2:b936b4acbd92 69 else {
AjK 2:b936b4acbd92 70 error("MODSERIAL must have a defined UART to function.");
AjK 2:b936b4acbd92 71 }
AjK 0:eb2522b41db8 72
AjK 0:eb2522b41db8 73 _FCR = MODSERIAL_FIFO_ENABLE | MODSERIAL_FIFO_RX_RESET | MODSERIAL_FIFO_TX_RESET;
AjK 0:eb2522b41db8 74
AjK 12:8c7394e2ae7f 75 auto_detect_char = 0;
AjK 12:8c7394e2ae7f 76
AjK 0:eb2522b41db8 77 enableIrq();
AjK 0:eb2522b41db8 78 }
AjK 0:eb2522b41db8 79
AjK 0:eb2522b41db8 80 }; // namespace AjK ends