USBasp/firmware/clock.h
Stefan Beller da7b6e47c7 Initial commit.
This includes the files as of
wget http://www.fischl.de/usbasp/usbasp.2011-05-28.tar.gz
tar -xf usbasp.2011.05-28.tar.gz
2012-05-19 16:27:27 +02:00

29 lines
676 B
C
Executable File

/*
* clock.h - part of USBasp
*
* Autor..........: Thomas Fischl <tfischl@gmx.de>
* Description....: Provides functions for timing/waiting
* Licence........: GNU GPL v2 (see Readme.txt)
* Creation Date..: 2005-02-23
* Last change....: 2006-11-16
*/
#ifndef __clock_h_included__
#define __clock_h_included__
#define F_CPU 12000000L /* 12MHz */
#define TIMERVALUE TCNT0
#define CLOCK_T_320us 60
#ifdef __AVR_ATmega8__
#define TCCR0B TCCR0
#endif
/* set prescaler to 64 */
#define clockInit() TCCR0B = (1 << CS01) | (1 << CS00);
/* wait time * 320 us */
void clockWait(uint8_t time);
#endif /* __clock_h_included__ */