Fahad Mirza / MODSERIAL

MODSERIAL with support for more devices

Fork of MODSERIAL by Erik -

MODSERIAL.cpp@3:0f10f536456e, 2010-11-21 (annotated)

Committer:
AjK
Date:
Sun Nov 21 13:58:53 2010 +0000
Revision:
3:0f10f536456e
Parent:
2:b936b4acbd92
Child:
4:28de979b77cf
1.4

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 MODSERIAL::MODSERIAL(PinName tx, PinName rx, const char *name) : Serial(tx, rx, name)
AjK 0:eb2522b41db8 29 {
AjK 0:eb2522b41db8 30 init(MODSERIAL_DEFAULT_TX_BUFFER_SIZE, MODSERIAL_DEFAULT_RX_BUFFER_SIZE);
AjK 0:eb2522b41db8 31 }
AjK 0:eb2522b41db8 32
AjK 0:eb2522b41db8 33 MODSERIAL::MODSERIAL(PinName tx, PinName rx, int bufferSize, const char *name) : Serial(tx, rx, name)
AjK 0:eb2522b41db8 34 {
AjK 0:eb2522b41db8 35 init(bufferSize, bufferSize);
AjK 0:eb2522b41db8 36 }
AjK 0:eb2522b41db8 37
AjK 0:eb2522b41db8 38 MODSERIAL::MODSERIAL(PinName tx, PinName rx, int txSize, int rxSize, const char *name) : Serial(tx, rx, name)
AjK 0:eb2522b41db8 39 {
AjK 0:eb2522b41db8 40 init(txSize, rxSize);
AjK 0:eb2522b41db8 41 }
AjK 0:eb2522b41db8 42
AjK 0:eb2522b41db8 43 MODSERIAL::~MODSERIAL()
AjK 0:eb2522b41db8 44 {
AjK 0:eb2522b41db8 45 disableIrq();
AjK 0:eb2522b41db8 46 if (buffer[0] != NULL) free((char *)buffer[0]);
AjK 0:eb2522b41db8 47 if (buffer[1] != NULL) free((char *)buffer[1]);
AjK 3:0f10f536456e 48 this_reset(); // See DMA.cpp
AjK 0:eb2522b41db8 49 }
AjK 0:eb2522b41db8 50
AjK 0:eb2522b41db8 51 bool
AjK 0:eb2522b41db8 52 MODSERIAL::txBufferFull(void)
AjK 0:eb2522b41db8 53 {
AjK 0:eb2522b41db8 54 return MODSERIAL_TX_BUFFER_FULL;
AjK 0:eb2522b41db8 55 }
AjK 0:eb2522b41db8 56
AjK 0:eb2522b41db8 57 bool
AjK 0:eb2522b41db8 58 MODSERIAL::rxBufferFull(void)
AjK 0:eb2522b41db8 59 {
AjK 0:eb2522b41db8 60 return MODSERIAL_RX_BUFFER_FULL;
AjK 0:eb2522b41db8 61 }
AjK 0:eb2522b41db8 62
AjK 0:eb2522b41db8 63 bool
AjK 0:eb2522b41db8 64 MODSERIAL::txBufferEmpty(void)
AjK 0:eb2522b41db8 65 {
AjK 0:eb2522b41db8 66 return MODSERIAL_TX_BUFFER_EMPTY;
AjK 0:eb2522b41db8 67 }
AjK 0:eb2522b41db8 68
AjK 0:eb2522b41db8 69 bool
AjK 0:eb2522b41db8 70 MODSERIAL::rxBufferEmpty(void)
AjK 0:eb2522b41db8 71 {
AjK 0:eb2522b41db8 72 return MODSERIAL_RX_BUFFER_EMPTY;
AjK 0:eb2522b41db8 73 }
AjK 0:eb2522b41db8 74
AjK 2:b936b4acbd92 75 bool
AjK 2:b936b4acbd92 76 MODSERIAL::txIsBusy(void)
AjK 2:b936b4acbd92 77 {
AjK 2:b936b4acbd92 78 return (_LSR & (3UL << 5) == 0) ? true : false;
AjK 2:b936b4acbd92 79 }
AjK 2:b936b4acbd92 80
AjK 0:eb2522b41db8 81 void
AjK 0:eb2522b41db8 82 MODSERIAL::disableIrq(void)
AjK 0:eb2522b41db8 83 {
AjK 0:eb2522b41db8 84 switch(_uidx) {
AjK 0:eb2522b41db8 85 case 0: NVIC_DisableIRQ(UART0_IRQn); break;
AjK 0:eb2522b41db8 86 case 1: NVIC_DisableIRQ(UART1_IRQn); break;
AjK 0:eb2522b41db8 87 case 2: NVIC_DisableIRQ(UART2_IRQn); break;
AjK 0:eb2522b41db8 88 case 3: NVIC_DisableIRQ(UART3_IRQn); break;
AjK 0:eb2522b41db8 89 }
AjK 0:eb2522b41db8 90 }
AjK 0:eb2522b41db8 91
AjK 0:eb2522b41db8 92 void
AjK 0:eb2522b41db8 93 MODSERIAL::enableIrq(void)
AjK 0:eb2522b41db8 94 {
AjK 0:eb2522b41db8 95 switch(_uidx) {
AjK 0:eb2522b41db8 96 case 0: NVIC_EnableIRQ(UART0_IRQn); break;
AjK 0:eb2522b41db8 97 case 1: NVIC_EnableIRQ(UART1_IRQn); break;
AjK 0:eb2522b41db8 98 case 2: NVIC_EnableIRQ(UART2_IRQn); break;
AjK 0:eb2522b41db8 99 case 3: NVIC_EnableIRQ(UART3_IRQn); break;
AjK 0:eb2522b41db8 100 }
AjK 0:eb2522b41db8 101 }
AjK 0:eb2522b41db8 102
AjK 0:eb2522b41db8 103 }; // namespace AjK ends