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/*********************************************
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* vim: set sw=8 ts=8 si :
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* Author: Guido Socher, Copyright: GPL
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* This program is to test the led connected to
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* PC5.
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* See http://linuxfocus.org/English/November2004/
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* for details.
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* Chip type           : ATMEGA644
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* Clock frequency     : Internal clock 1 Mhz (factory default)
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*********************************************/
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#include <avr/io.h>
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#include <avr/io.h>
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#include <inttypes.h>
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#include <inttypes.h>
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#define F_CPU 1000000UL  // 1 MHz
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#define F_CPU 1000000UL  // 1 MHz
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#include <util/delay.h>
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#include <util/delay.h>
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/* compatibilty macros for old style */
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#ifndef cbi
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#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
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#endif
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#ifndef sbi
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#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
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#endif
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void delay_ms(unsigned int ms)
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void delay_ms(unsigned int ms)
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/* delay for a minimum of <ms> */
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/* delay for a minimum of <ms> */
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{
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{
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	// we use a calibrated macro. This is more
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	// we use a calibrated macro. This is more
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	// accurate and not so much compiler dependent
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	// accurate and not so much compiler dependent
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                      delay_ms(1000);
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                      delay_ms(1000);
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          }
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          }
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	  return(0);
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	  return(0);
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}
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}
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// // old style now depricated:
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// int main(void)
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// {
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// 	// enable  PC5 as output
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// 	sbi(DDRC,PC5);
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// 	while (1) {
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// 		// led on, pin=0
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// 		cbi(PORTC,PC5);
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// 		delay_ms(500);
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// 		// set output to 5V, LED off
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// 		sbi(PORTC,PC5);
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// 		delay_ms(500);
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// 	}
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// 	return(0);
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// }
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// // end of old style
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