FastArduino  v1.7
C++ library to build fast but small Arduino/AVR projects
defines.h
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1 // Copyright 2016-2021 Jean-Francois Poilpret
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
16 
21 #ifndef DEFINES_HH
22 #define DEFINES_HH
23 
28 #define NOP() __asm__ __volatile__("nop")
29 
45 #define UNUSED __attribute__((unused))
46 
57 #define INLINE __attribute__((always_inline))
58 
59 //NOTE: SIGNAL is defined (but deprecated) in AVR interrupt.h
60 #ifdef SIGNAL
61 #undef SIGNAL
62 #endif
63 
78 #define SIGNAL __attribute__ ((signal))
79 
96 #define NAKED_SIGNAL __attribute__((signal, naked, __INTR_ATTRS))
97 
118 #define WEAK __attribute__((weak))
119 
120 #endif /* DEFINES_HH */
121