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1212 kakl 1  
2 //*****************************************************************************
3 //
4 // File Name : 'global.h'
5 // Title : AVR project global include
6 // Author : Pascal Stang
7 // Created : 7/12/2001
8 // Revised : 9/30/2002
9 // Version : 1.1
10 // Target MCU : Atmel AVR series
11 // Editor Tabs : 4
12 //
13 // Description : This include file is designed to contain items useful to all
14 // code files and projects.
15 //
16 // This code is distributed under the GNU Public License
17 // which can be found at http://www.gnu.org/licenses/gpl.txt
18 //
19 //*****************************************************************************
20  
21 #ifndef GLOBAL_H
22 #define GLOBAL_H
23 //
24 // global AVRLIB defines
25 #include "avrlibdefs.h"
26 // global AVRLIB types definitions
27 #include "avrlibtypes.h"
28  
29 // project/system dependent defines
30  
31 // back-door way to enable floating-point print support
32 #define RPRINTF_FLOAT
33  
34 // CPU clock speed
35 //#define F_CPU 16000000 // 16MHz processor
36 //#define F_CPU 14745000 // 14.745MHz processor
37 #define F_CPU 8000000 // 8MHz processor
38 //#define F_CPU 7372800 // 7.37MHz processor
39 //#define F_CPU 4000000 // 4MHz processor
40 //#define F_CPU 3686400 // 3.69MHz processor
41 //#define F_CPU 1000000
42  
43  
44 #define CYCLES_PER_US ((F_CPU+500000)/1000000) // cpu cycles per microsecond
45  
46 #endif