Margreeth de Breij / MODSERIAL

modserial

Dependencies:   MODSERIAL

Fork of MODSERIAL by Erik -

INIT.cpp@29:9a41078f0488, 2013-07-12 (annotated)

Committer:
Sissors
Date:
Fri Jul 12 15:56:20 2013 +0000
Revision:
29:9a41078f0488
Parent:
28:76793a84f9e5
Child:
30:b04ce87dc424
Added documentation

;

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
Sissors 27:9c93ce7cb9d8 26 #define MODSERIAL_FCR 0x08
Sissors 27:9c93ce7cb9d8 27 #define _FCR *((char *)_base+MODSERIAL_FCR)
Sissors 27:9c93ce7cb9d8 28
Sissors 27:9c93ce7cb9d8 29 #define MODSERIAL_FIFO_ENABLE 1
Sissors 27:9c93ce7cb9d8 30 #define MODSERIAL_FIFO_RX_RESET 2
Sissors 27:9c93ce7cb9d8 31 #define MODSERIAL_FIFO_TX_RESET 4
Sissors 27:9c93ce7cb9d8 32
AjK 24:9c456e647a8f 33
AjK 0:eb2522b41db8 34 namespace AjK {
AjK 0:eb2522b41db8 35
AjK 0:eb2522b41db8 36 void
AjK 24:9c456e647a8f 37 MODSERIAL::init( int txSize, int rxSize, PinName rx )
AjK 0:eb2522b41db8 38 {
Sissors 29:9a41078f0488 39
Sissors 27:9c93ce7cb9d8 40 NVIC_DisableIRQ(_IRQ);
Sissors 27:9c93ce7cb9d8 41 setBase();
Sissors 29:9a41078f0488 42
AjK 18:21ef26402365 43 callbackInfo.setSerial(this);
AjK 0:eb2522b41db8 44
AjK 9:b3cdae80e7a9 45 dmaSendChannel = -1;
AjK 9:b3cdae80e7a9 46 moddma_p = (void *)NULL;
AjK 9:b3cdae80e7a9 47
AjK 24:9c456e647a8f 48 if ( _base != NULL ) {
AjK 0:eb2522b41db8 49 buffer_size[RxIrq] = rxSize;
AjK 8:775f860e94d3 50 buffer[RxIrq] = rxSize > 0 ? (char *)malloc(buffer_size[RxIrq]) : (char *)NULL;
AjK 0:eb2522b41db8 51 buffer_in[RxIrq] = 0;
AjK 0:eb2522b41db8 52 buffer_out[RxIrq] = 0;
AjK 0:eb2522b41db8 53 buffer_count[RxIrq] = 0;
AjK 0:eb2522b41db8 54 buffer_overflow[RxIrq] = 0;
AjK 25:ae0408ebdd68 55 Serial::attach( this, &MODSERIAL::isr_rx, Serial::RxIrq );
AjK 0:eb2522b41db8 56
AjK 0:eb2522b41db8 57 buffer_size[TxIrq] = txSize;
AjK 8:775f860e94d3 58 buffer[TxIrq] = txSize > 0 ? (char *)malloc(buffer_size[TxIrq]) : (char *)NULL;
AjK 0:eb2522b41db8 59 buffer_in[TxIrq] = 0;
AjK 0:eb2522b41db8 60 buffer_out[TxIrq] = 0;
AjK 0:eb2522b41db8 61 buffer_count[TxIrq] = 0;
AjK 0:eb2522b41db8 62 buffer_overflow[TxIrq] = 0;
AjK 25:ae0408ebdd68 63 Serial::attach( this, &MODSERIAL::isr_tx, Serial::TxIrq );
AjK 0:eb2522b41db8 64 }
AjK 2:b936b4acbd92 65 else {
AjK 2:b936b4acbd92 66 error("MODSERIAL must have a defined UART to function.");
AjK 2:b936b4acbd92 67 }
AjK 0:eb2522b41db8 68
Sissors 27:9c93ce7cb9d8 69
Sissors 28:76793a84f9e5 70 initDevice();
Sissors 27:9c93ce7cb9d8 71
Sissors 27:9c93ce7cb9d8 72 //_FCR = MODSERIAL_FIFO_ENABLE | MODSERIAL_FIFO_RX_RESET | MODSERIAL_FIFO_TX_RESET;
AjK 0:eb2522b41db8 73
AjK 12:8c7394e2ae7f 74 auto_detect_char = 0;
AjK 12:8c7394e2ae7f 75
Sissors 27:9c93ce7cb9d8 76 NVIC_EnableIRQ(_IRQ);
AjK 0:eb2522b41db8 77 }
AjK 0:eb2522b41db8 78
AjK 0:eb2522b41db8 79 }; // namespace AjK ends
Sissors 27:9c93ce7cb9d8 80