Rev Author Line No. Line
3471 miho 1 /*
2 * clock.h - part of USBasp
3 *
4 * Autor..........: Thomas Fischl <tfischl@gmx.de>
5 * Description....: Provides functions for timing/waiting
6 * Licence........: GNU GPL v2 (see Readme.txt)
7 * Creation Date..: 2005-02-23
8 * Last change....: 2006-11-16
9 */
10  
11 #ifndef __clock_h_included__
12 #define __clock_h_included__
13  
14 #define F_CPU 12000000L /* 12MHz */
15 #define TIMERVALUE TCNT0
16 #define CLOCK_T_320us 60
17  
18 #ifdef __AVR_ATmega8__
19 #define TCCR0B TCCR0
20 #endif
21  
22 /* set prescaler to 64 */
23 #define clockInit() TCCR0B = (1 << CS01) | (1 << CS00);
24  
25 /* wait time * 320 us */
26 void clockWait(uint8_t time);
27  
28 #endif /* __clock_h_included__ */