Derek Fukumori / MODSERIAL

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Fork of MODSERIAL by Andy K

INIT.cpp@23:1236d0b64e71, 2012-07-13 (annotated)

Committer:
dfukumori
Date:
Fri Jul 13 01:09:23 2012 +0000
Revision:
23:1236d0b64e71
Parent:
18:21ef26402365 
Required commit -- no changes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dfukumori 23:1236d0b64e71 1 /*
dfukumori 23:1236d0b64e71 2 Copyright (c) 2010 Andy Kirkham
dfukumori 23:1236d0b64e71 3
dfukumori 23:1236d0b64e71 4 Permission is hereby granted, free of charge, to any person obtaining a copy
dfukumori 23:1236d0b64e71 5 of this software and associated documentation files (the "Software"), to deal
dfukumori 23:1236d0b64e71 6 in the Software without restriction, including without limitation the rights
dfukumori 23:1236d0b64e71 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
dfukumori 23:1236d0b64e71 8 copies of the Software, and to permit persons to whom the Software is
dfukumori 23:1236d0b64e71 9 furnished to do so, subject to the following conditions:
dfukumori 23:1236d0b64e71 10
dfukumori 23:1236d0b64e71 11 The above copyright notice and this permission notice shall be included in
dfukumori 23:1236d0b64e71 12 all copies or substantial portions of the Software.
dfukumori 23:1236d0b64e71 13
dfukumori 23:1236d0b64e71 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dfukumori 23:1236d0b64e71 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dfukumori 23:1236d0b64e71 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dfukumori 23:1236d0b64e71 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dfukumori 23:1236d0b64e71 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dfukumori 23:1236d0b64e71 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
dfukumori 23:1236d0b64e71 20 THE SOFTWARE.
dfukumori 23:1236d0b64e71 21 */
dfukumori 23:1236d0b64e71 22
dfukumori 23:1236d0b64e71 23 #include "MODSERIAL.h"
dfukumori 23:1236d0b64e71 24 #include "MACROS.h"
dfukumori 23:1236d0b64e71 25
dfukumori 23:1236d0b64e71 26 namespace AjK {
dfukumori 23:1236d0b64e71 27
dfukumori 23:1236d0b64e71 28 void
dfukumori 23:1236d0b64e71 29 MODSERIAL::init(int txSize, int rxSize)
dfukumori 23:1236d0b64e71 30 {
dfukumori 23:1236d0b64e71 31 disableIrq();
dfukumori 23:1236d0b64e71 32
dfukumori 23:1236d0b64e71 33 callbackInfo.setSerial(this);
dfukumori 23:1236d0b64e71 34
dfukumori 23:1236d0b64e71 35 switch(_uidx) {
dfukumori 23:1236d0b64e71 36 case 0: _base = LPC_UART0; break;
dfukumori 23:1236d0b64e71 37 case 1: _base = LPC_UART1; break;
dfukumori 23:1236d0b64e71 38 case 2: _base = LPC_UART2; break;
dfukumori 23:1236d0b64e71 39 case 3: _base = LPC_UART3; break;
dfukumori 23:1236d0b64e71 40 default : _base = NULL; break;
dfukumori 23:1236d0b64e71 41 }
dfukumori 23:1236d0b64e71 42
dfukumori 23:1236d0b64e71 43 dmaSendChannel = -1;
dfukumori 23:1236d0b64e71 44 moddma_p = (void *)NULL;
dfukumori 23:1236d0b64e71 45
dfukumori 23:1236d0b64e71 46 if (_base != NULL) {
dfukumori 23:1236d0b64e71 47 buffer_size[RxIrq] = rxSize;
dfukumori 23:1236d0b64e71 48 buffer[RxIrq] = rxSize > 0 ? (char *)malloc(buffer_size[RxIrq]) : (char *)NULL;
dfukumori 23:1236d0b64e71 49 buffer_in[RxIrq] = 0;
dfukumori 23:1236d0b64e71 50 buffer_out[RxIrq] = 0;
dfukumori 23:1236d0b64e71 51 buffer_count[RxIrq] = 0;
dfukumori 23:1236d0b64e71 52 buffer_overflow[RxIrq] = 0;
dfukumori 23:1236d0b64e71 53 Serial::attach(this, &MODSERIAL::isr_rx, Serial::RxIrq);
dfukumori 23:1236d0b64e71 54
dfukumori 23:1236d0b64e71 55 buffer_size[TxIrq] = txSize;
dfukumori 23:1236d0b64e71 56 buffer[TxIrq] = txSize > 0 ? (char *)malloc(buffer_size[TxIrq]) : (char *)NULL;
dfukumori 23:1236d0b64e71 57 buffer_in[TxIrq] = 0;
dfukumori 23:1236d0b64e71 58 buffer_out[TxIrq] = 0;
dfukumori 23:1236d0b64e71 59 buffer_count[TxIrq] = 0;
dfukumori 23:1236d0b64e71 60 buffer_overflow[TxIrq] = 0;
dfukumori 23:1236d0b64e71 61 Serial::attach(this, &MODSERIAL::isr_tx, Serial::TxIrq);
dfukumori 23:1236d0b64e71 62 }
dfukumori 23:1236d0b64e71 63 else {
dfukumori 23:1236d0b64e71 64 error("MODSERIAL must have a defined UART to function.");
dfukumori 23:1236d0b64e71 65 }
dfukumori 23:1236d0b64e71 66
dfukumori 23:1236d0b64e71 67 _FCR = MODSERIAL_FIFO_ENABLE | MODSERIAL_FIFO_RX_RESET | MODSERIAL_FIFO_TX_RESET;
dfukumori 23:1236d0b64e71 68
dfukumori 23:1236d0b64e71 69 auto_detect_char = 0;
dfukumori 23:1236d0b64e71 70
dfukumori 23:1236d0b64e71 71 enableIrq();
dfukumori 23:1236d0b64e71 72 }
dfukumori 23:1236d0b64e71 73
dfukumori 23:1236d0b64e71 74 }; // namespace AjK ends