Teacup: timer.h Source File

00001 #ifndef _TIMER_H
00002 #define _TIMER_H
00003 
00004 #include <stdint.h>
00005 #include <avr/io.h>
00006 
00007 // time-related constants
00008 #define US * (F_CPU / 1000000)
00009 #define MS * (F_CPU / 1000)
00010 
00011 /*
00012 clock stuff
00013 */
00014 extern volatile uint8_t clock_flag_10ms;
00015 extern volatile uint8_t clock_flag_250ms;
00016 extern volatile uint8_t clock_flag_1s;
00017 
00018 // If the specific bit is set, execute the following block exactly once
00019 // and then clear the flag.
00020 #define ifclock(F) for (;F;F=0 )
00021 
00022 /*
00023 timer stuff
00024 */
00025 void timer_init(void) __attribute__ ((cold));
00026 void setTimer(uint32_t delay);
00027 void timer_stop(void);
00028 
00029 #endif  /* _TIMER_H */