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Dependencies:   MODSERIAL PiSlingers m3pi mbed

MODSERIAL/ISR_RX.cpp@0:9ac4a91b71fa, 2012-04-04 (annotated)

Committer:
mpanetta
Date:
Wed Apr 04 17:07:49 2012 +0000
Revision:
0:9ac4a91b71fa
Initial commit.  Avoidance code complete, beacon code still needs to be added.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mpanetta 0:9ac4a91b71fa 1 /*
mpanetta 0:9ac4a91b71fa 2 Copyright (c) 2010 Andy Kirkham
mpanetta 0:9ac4a91b71fa 3
mpanetta 0:9ac4a91b71fa 4 Permission is hereby granted, free of charge, to any person obtaining a copy
mpanetta 0:9ac4a91b71fa 5 of this software and associated documentation files (the "Software"), to deal
mpanetta 0:9ac4a91b71fa 6 in the Software without restriction, including without limitation the rights
mpanetta 0:9ac4a91b71fa 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
mpanetta 0:9ac4a91b71fa 8 copies of the Software, and to permit persons to whom the Software is
mpanetta 0:9ac4a91b71fa 9 furnished to do so, subject to the following conditions:
mpanetta 0:9ac4a91b71fa 10
mpanetta 0:9ac4a91b71fa 11 The above copyright notice and this permission notice shall be included in
mpanetta 0:9ac4a91b71fa 12 all copies or substantial portions of the Software.
mpanetta 0:9ac4a91b71fa 13
mpanetta 0:9ac4a91b71fa 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
mpanetta 0:9ac4a91b71fa 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
mpanetta 0:9ac4a91b71fa 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
mpanetta 0:9ac4a91b71fa 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
mpanetta 0:9ac4a91b71fa 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mpanetta 0:9ac4a91b71fa 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
mpanetta 0:9ac4a91b71fa 20 THE SOFTWARE.
mpanetta 0:9ac4a91b71fa 21 */
mpanetta 0:9ac4a91b71fa 22
mpanetta 0:9ac4a91b71fa 23 #include "MODSERIAL.h"
mpanetta 0:9ac4a91b71fa 24 #include "MACROS.h"
mpanetta 0:9ac4a91b71fa 25
mpanetta 0:9ac4a91b71fa 26 namespace AjK {
mpanetta 0:9ac4a91b71fa 27
mpanetta 0:9ac4a91b71fa 28 void
mpanetta 0:9ac4a91b71fa 29 MODSERIAL::isr_rx(void)
mpanetta 0:9ac4a91b71fa 30 {
mpanetta 0:9ac4a91b71fa 31 if (! _base || buffer_size[RxIrq] == 0 || buffer[RxIrq] == (char *)NULL) {
mpanetta 0:9ac4a91b71fa 32 _isr[RxIrq].call(&this->callbackInfo);
mpanetta 0:9ac4a91b71fa 33 return;
mpanetta 0:9ac4a91b71fa 34 }
mpanetta 0:9ac4a91b71fa 35
mpanetta 0:9ac4a91b71fa 36 while( MODSERIAL_RBR_HAS_DATA ) {
mpanetta 0:9ac4a91b71fa 37 rxc = (char)(_RBR & 0xFF);
mpanetta 0:9ac4a91b71fa 38 if ( MODSERIAL_RX_BUFFER_FULL ) {
mpanetta 0:9ac4a91b71fa 39 buffer_overflow[RxIrq] = rxc; // Oh dear, no room in buffer.
mpanetta 0:9ac4a91b71fa 40 _isr[RxOvIrq].call(&this->callbackInfo);
mpanetta 0:9ac4a91b71fa 41 }
mpanetta 0:9ac4a91b71fa 42 else {
mpanetta 0:9ac4a91b71fa 43 if (buffer[RxIrq] != (char *)NULL) {
mpanetta 0:9ac4a91b71fa 44 buffer[RxIrq][buffer_in[RxIrq]] = rxc;
mpanetta 0:9ac4a91b71fa 45 buffer_count[RxIrq]++;
mpanetta 0:9ac4a91b71fa 46 buffer_in[RxIrq]++;
mpanetta 0:9ac4a91b71fa 47 if (buffer_in[RxIrq] >= buffer_size[RxIrq]) {
mpanetta 0:9ac4a91b71fa 48 buffer_in[RxIrq] = 0;
mpanetta 0:9ac4a91b71fa 49 }
mpanetta 0:9ac4a91b71fa 50 }
mpanetta 0:9ac4a91b71fa 51 _isr[RxIrq].call(&this->callbackInfo);
mpanetta 0:9ac4a91b71fa 52 }
mpanetta 0:9ac4a91b71fa 53 if (auto_detect_char == rxc) {
mpanetta 0:9ac4a91b71fa 54 _isr[RxAutoDetect].call(&this->callbackInfo);
mpanetta 0:9ac4a91b71fa 55 }
mpanetta 0:9ac4a91b71fa 56 }
mpanetta 0:9ac4a91b71fa 57 }
mpanetta 0:9ac4a91b71fa 58
mpanetta 0:9ac4a91b71fa 59 }; // namespace AjK ends
mpanetta 0:9ac4a91b71fa 60