modserial
Fork of MODSERIAL by
INIT.cpp@4:28de979b77cf, 2010-11-21 (annotated)
- Committer:
- AjK
- Date:
- Sun Nov 21 14:44:02 2010 +0000
- Revision:
- 4:28de979b77cf
- Parent:
- 2:b936b4acbd92
- Child:
- 8:775f860e94d3
1.4
Who changed what in which revision?
User | Revision | Line number | New 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::init(int txSize, int rxSize) |
AjK | 0:eb2522b41db8 | 30 | { |
AjK | 0:eb2522b41db8 | 31 | disableIrq(); |
AjK | 0:eb2522b41db8 | 32 | |
AjK | 2:b936b4acbd92 | 33 | switch(_uidx) { |
AjK | 2:b936b4acbd92 | 34 | case 0: _base = LPC_UART0; break; |
AjK | 2:b936b4acbd92 | 35 | case 1: _base = LPC_UART1; break; |
AjK | 2:b936b4acbd92 | 36 | case 2: _base = LPC_UART2; break; |
AjK | 2:b936b4acbd92 | 37 | case 3: _base = LPC_UART3; break; |
AjK | 2:b936b4acbd92 | 38 | default : _base = NULL; break; |
AjK | 2:b936b4acbd92 | 39 | } |
AjK | 0:eb2522b41db8 | 40 | |
AjK | 0:eb2522b41db8 | 41 | if (_base != NULL) { |
AjK | 0:eb2522b41db8 | 42 | buffer_size[RxIrq] = rxSize; |
AjK | 0:eb2522b41db8 | 43 | buffer[RxIrq] = (char *)malloc(buffer_size[RxIrq]); |
AjK | 0:eb2522b41db8 | 44 | buffer_in[RxIrq] = 0; |
AjK | 0:eb2522b41db8 | 45 | buffer_out[RxIrq] = 0; |
AjK | 0:eb2522b41db8 | 46 | buffer_count[RxIrq] = 0; |
AjK | 0:eb2522b41db8 | 47 | buffer_overflow[RxIrq] = 0; |
AjK | 0:eb2522b41db8 | 48 | Serial::attach(this, &MODSERIAL::isr_rx, Serial::RxIrq); |
AjK | 0:eb2522b41db8 | 49 | |
AjK | 0:eb2522b41db8 | 50 | buffer_size[TxIrq] = txSize; |
AjK | 0:eb2522b41db8 | 51 | buffer[TxIrq] = (char *)malloc(buffer_size[TxIrq]); |
AjK | 0:eb2522b41db8 | 52 | buffer_in[TxIrq] = 0; |
AjK | 0:eb2522b41db8 | 53 | buffer_out[TxIrq] = 0; |
AjK | 0:eb2522b41db8 | 54 | buffer_count[TxIrq] = 0; |
AjK | 0:eb2522b41db8 | 55 | buffer_overflow[TxIrq] = 0; |
AjK | 0:eb2522b41db8 | 56 | Serial::attach(this, &MODSERIAL::isr_tx, Serial::TxIrq); |
AjK | 0:eb2522b41db8 | 57 | } |
AjK | 2:b936b4acbd92 | 58 | else { |
AjK | 2:b936b4acbd92 | 59 | error("MODSERIAL must have a defined UART to function."); |
AjK | 2:b936b4acbd92 | 60 | } |
AjK | 0:eb2522b41db8 | 61 | |
AjK | 0:eb2522b41db8 | 62 | if (!txBufferSane()) { |
AjK | 0:eb2522b41db8 | 63 | error("Failed to allocate memory for TX buffer"); |
AjK | 0:eb2522b41db8 | 64 | } |
AjK | 0:eb2522b41db8 | 65 | |
AjK | 0:eb2522b41db8 | 66 | if (!rxBufferSane()) { |
AjK | 0:eb2522b41db8 | 67 | error("Failed to allocate memory for RX buffer"); |
AjK | 0:eb2522b41db8 | 68 | } |
AjK | 0:eb2522b41db8 | 69 | |
AjK | 0:eb2522b41db8 | 70 | _FCR = MODSERIAL_FIFO_ENABLE | MODSERIAL_FIFO_RX_RESET | MODSERIAL_FIFO_TX_RESET; |
AjK | 0:eb2522b41db8 | 71 | |
AjK | 0:eb2522b41db8 | 72 | enableIrq(); |
AjK | 0:eb2522b41db8 | 73 | } |
AjK | 0:eb2522b41db8 | 74 | |
AjK | 0:eb2522b41db8 | 75 | }; // namespace AjK ends |