| | 1 | /* vim:ts=4 sts=4 et tw=80 |
| | 2 | * |
| | 3 | * fnordlicht firmware |
| | 4 | * |
| | 5 | * for additional information please |
| | 6 | * see http://lochraster.org/fnordlichtmini |
| | 7 | * |
| | 8 | * (c) by Alexander Neumann <alexander@bumpern.de> |
| | 9 | * Lars Noschinski <lars@public.noschinski.de> |
| | 10 | * |
| | 11 | * This program is free software: you can redistribute it and/or modify it |
| | 12 | * under the terms of the GNU General Public License version 3 as published by |
| | 13 | * the Free Software Foundation. |
| | 14 | * |
| | 15 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| | 16 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| | 17 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| | 18 | * more details. |
| | 19 | * |
| | 20 | * You should have received a copy of the GNU General Public License along with |
| | 21 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| | 22 | */ |
| | 23 | |
| | 24 | #ifndef COMMON_H |
| | 25 | #define COMMON_H |
| | 26 | |
| | 27 | #include <stdint.h> |
| | 28 | |
| | 29 | /* macros for extracting low and high byte */ |
| | 30 | #define LO8(x) (uint8_t)(0x00ff & (x)) |
| | 31 | #define HI8(x) (uint8_t)((0xff00 & (x)) >> 8) |
| | 32 | |
| | 33 | /* macros for concatenating PORT, PIN and DDR */ |
| | 34 | #define _CONCAT(a, b) a ## b |
| | 35 | #define _OUTPORT(name) _CONCAT(PORT, name) |
| | 36 | #define _INPORT(name) _CONCAT(PIN, name) |
| | 37 | #define _DDRPORT(name) _CONCAT(DDR, name) |
| | 38 | #define _PCIE(name) _CONCAT(PCIE, name) |
| | 39 | #define _PCIF(name) _CONCAT(PCIF, name) |
| | 40 | #define _PCMSK(name) _CONCAT(PCMSK, name) |
| | 41 | #define _PCINT(name) _CONCAT(PCINT, name) |
| | 42 | |
| | 43 | /* __noinline attribute (opposite of inline attribute */ |
| | 44 | #define __noinline __attribute__((noinline)) |
| | 45 | |
| | 46 | /* structure for accessing bytes and words in an uint32_t */ |
| | 47 | union uint32_t_access { |
| | 48 | uint8_t bytes[4]; |
| | 49 | uint16_t words[2]; |
| | 50 | uint32_t raw; |
| | 51 | }; |
| | 52 | |
| | 53 | #endif |
projects / fnordlicht-mini / blame_incremental