Fahad Mirza / MODSERIAL

MODSERIAL with support for more devices

Fork of MODSERIAL by Erik -

ISR_RX.cpp@37:31db07ebcb68, 2014-12-11 (annotated)

Committer:
BlazeX
Date:
Thu Dec 11 20:24:15 2014 +0000
Revision:
37:31db07ebcb68
Parent:
28:76793a84f9e5 
Tried to fix the BufferResize issue, but still not working with buffers in use.

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 0:eb2522b41db8 29 MODSERIAL::isr_rx(void)
AjK 0:eb2522b41db8 30 {
Sissors 28:76793a84f9e5 31 if (RX_IRQ_ENABLED) {
AjK 8:775f860e94d3 32 if (! _base || buffer_size[RxIrq] == 0 || buffer[RxIrq] == (char *)NULL) {
AjK 18:21ef26402365 33 _isr[RxIrq].call(&this->callbackInfo);
AjK 8:775f860e94d3 34 return;
AjK 8:775f860e94d3 35 }
AjK 2:b936b4acbd92 36
Sissors 27:9c93ce7cb9d8 37 while( MODSERIAL_READABLE ) {
Sissors 27:9c93ce7cb9d8 38 rxc = (char)(MODSERIAL_READ_REG & 0xFF);
AjK 4:28de979b77cf 39 if ( MODSERIAL_RX_BUFFER_FULL ) {
AjK 4:28de979b77cf 40 buffer_overflow[RxIrq] = rxc; // Oh dear, no room in buffer.
AjK 18:21ef26402365 41 _isr[RxOvIrq].call(&this->callbackInfo);
AjK 18:21ef26402365 42 }
AjK 18:21ef26402365 43 else {
AjK 4:28de979b77cf 44 if (buffer[RxIrq] != (char *)NULL) {
AjK 4:28de979b77cf 45 buffer[RxIrq][buffer_in[RxIrq]] = rxc;
AjK 4:28de979b77cf 46 buffer_count[RxIrq]++;
AjK 4:28de979b77cf 47 buffer_in[RxIrq]++;
AjK 4:28de979b77cf 48 if (buffer_in[RxIrq] >= buffer_size[RxIrq]) {
AjK 4:28de979b77cf 49 buffer_in[RxIrq] = 0;
AjK 4:28de979b77cf 50 }
AjK 4:28de979b77cf 51 }
AjK 18:21ef26402365 52 _isr[RxIrq].call(&this->callbackInfo);
AjK 0:eb2522b41db8 53 }
AjK 12:8c7394e2ae7f 54 if (auto_detect_char == rxc) {
AjK 18:21ef26402365 55 _isr[RxAutoDetect].call(&this->callbackInfo);
AjK 12:8c7394e2ae7f 56 }
Sissors 28:76793a84f9e5 57 }
Sissors 28:76793a84f9e5 58 }
AjK 0:eb2522b41db8 59 }
AjK 0:eb2522b41db8 60
AjK 0:eb2522b41db8 61 }; // namespace AjK ends
AjK 0:eb2522b41db8 62