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#ifndef _TIMER_H_
#define _TIMER_H_
struct elapsed_tmr {
unsigned long start; // Start value of elapsed timeout.
unsigned long tmrval; // Running timer value
// (used by elapsed timeout)
unsigned long currenttmrval; // Current timer value
// (not used by elapsed timeout)
unsigned long tpm; // Ticks per millisecond
unsigned long elapsed_low;
unsigned long elapsed_high;
unsigned long timeout_low;
unsigned long timeout_high;
unsigned long tmrflags;
};
/* Timer flags:
*/
#define HWTMR_ENABLED (1 << 0)
#define TIMEOUT_OCCURRED (1 << 1)
/* Timer macros:
*/
#define HWRTMR_IS_ENABLED(tmr) \
((tmr)->tmrflags & HWTMR_ENABLED)
#define ELAPSED_TIMEOUT(tmr) \
((tmr)->tmrflags & TIMEOUT_OCCURRED)
/* uMon API timer commands:
*/
#define TIMER_START 1
#define TIMER_ELAPSED 2
#define TIMER_QUERY 3
extern unsigned long target_timer(void);
extern void startElapsedTimer(struct elapsed_tmr *tmr,long timeout);
extern int msecElapsed(struct elapsed_tmr *tmr);
extern unsigned long msecRemaining(struct elapsed_tmr *tmr);
extern int monTimer(int cmd, void *arg);
#endif
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