1 /* |
|
2 This file is part of CanFestival, a library implementing CanOpen Stack. |
|
3 |
|
4 Copyright (C): Edouard TISSERANT and Francis DUPIN |
|
5 AVR Port: Andreas GLAUSER and Peter CHRISTEN |
|
6 |
|
7 See COPYING file for copyrights details. |
|
8 |
|
9 This library is free software; you can redistribute it and/or |
|
10 modify it under the terms of the GNU Lesser General Public |
|
11 License as published by the Free Software Foundation; either |
|
12 version 2.1 of the License, or (at your option) any later version. |
|
13 |
|
14 This library is distributed in the hope that it will be useful, |
|
15 but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
17 Lesser General Public License for more details. |
|
18 |
|
19 You should have received a copy of the GNU Lesser General Public |
|
20 License along with this library; if not, write to the Free Software |
|
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
22 */ |
|
23 /****************************************************************************** |
|
24 MCU ports and Bits |
|
25 Makros for access on hardware |
|
26 ******************************************************************************/ |
|
27 |
|
28 #ifndef _HARDWARE_INCLUDED |
|
29 #define _HARDWARE_INCLUDED |
|
30 |
|
31 /****************************************************************************** |
|
32 Makros for bit access on the ports and registers |
|
33 ******************************************************************************/ |
|
34 // Macros for set and clear bits in I/O registers |
|
35 #define setbit(address,bit) ((address) |= (1<<(bit))) |
|
36 #define clearbit(address,bit) ((address) &= ~(1<<(bit))) |
|
37 #define togglebit(address,bit) ((address) ^= (1<<(bit))) |
|
38 |
|
39 // Macro for testing of a single bit in an I/O location |
|
40 #define checkbit(address,bit) ((address) & (1<<(bit))) |
|
41 |
|
42 /************************** Hardware Makros **********************************/ |
|
43 |
|
44 // Read the inputs |
|
45 #define get_inputs() (~PINA) |
|
46 #define read_bcd() (~PINC & 0x0F) |
|
47 // Write the outputs |
|
48 #define set_outputs(val) PORTB = ~(val) |
|
49 |
|
50 #endif // _HARDWARE_INCLUDED |
|
51 |
|
52 |
|