30 lines
931 B
C
30 lines
931 B
C
#ifndef __MICROPY_INCLUDED_LIB_TICKER_H__
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#define __MICROPY_INCLUDED_LIB_TICKER_H__
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/*************************************
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* 62.5kHz (16µs cycle time) ticker.
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************************************/
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#include "nrf.h"
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typedef void (*callback_ptr)(void);
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typedef int32_t (*ticker_callback_ptr)(void);
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void ticker_init(callback_ptr slow_ticker_callback);
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void ticker_start(void);
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void ticker_stop(void);
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int clear_ticker_callback(uint32_t index);
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int set_ticker_callback(uint32_t index, ticker_callback_ptr func, int32_t initial_delay_us);
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int set_low_priority_callback(callback_ptr callback, int id);
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#define CYCLES_PER_MICROSECONDS 16
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#define MICROSECONDS_PER_TICK 16
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#define CYCLES_PER_TICK (CYCLES_PER_MICROSECONDS*MICROSECONDS_PER_TICK)
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// This must be an integer multiple of MICROSECONDS_PER_TICK
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#define MICROSECONDS_PER_MACRO_TICK 6000
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#define MILLISECONDS_PER_MACRO_TICK 6
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#endif // __MICROPY_INCLUDED_LIB_TICKER_H__
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