33 lines
888 B
C
33 lines
888 B
C
/*
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* File: net_timer.h
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* Purpose: Provide a timer use by the BaS network as a timeout
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* indicator
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*
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*/
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#ifndef _TIMER_H_
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#define _TIMER_H_
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#include <bas_types.h>
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typedef struct
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{
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uint8_t ch; /* which channel is this structure for? */
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uint8_t lvl; /* Interrupt level for this channel */
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uint8_t pri; /* Interrupt priority for this channel */
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uint8_t reference; /* timeout indicator */
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uint32_t gms; /* mode select register value */
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uint16_t pre; /* prescale value */
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uint16_t cnt; /* prescaled clocks for timeout */
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} NET_TIMER;
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extern bool timer_init(uint8_t, uint8_t, uint8_t);
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extern bool timer_set_secs(uint8_t ch, uint32_t secs);
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extern uint32_t timer_get_reference(uint8_t ch);
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/* Vector numbers for all the timer channels */
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#define TIMER_VECTOR(x) (126-x)
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#endif /* _TIMER_H_ */
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