36 lines
758 B
C
36 lines
758 B
C
#include "delay.h"
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/** \file
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\brief Delay routines
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*/
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#include <util/delay_basic.h>
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#include "watchdog.h"
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/// delay microseconds
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/// \param delay time to wait in microseconds
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void delay_us(uint16_t delay) {
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wd_reset();
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while (delay > (65536L / (F_CPU / 4000000L))) {
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_delay_loop_2(65534); // we use 65534 here to compensate for the time that the surrounding loop takes. TODO: exact figure needs tuning
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delay -= (65536L / (F_CPU / 4000000L));
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wd_reset();
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}
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_delay_loop_2(delay / (F_CPU / 4000000L));
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wd_reset();
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}
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/// delay milliseconds
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/// \param delay time to wait in milliseconds
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void _delay_ms(uint32_t delay) {
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wd_reset();
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while (delay > 65) {
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delay_us(64999);
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delay -= 65;
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wd_reset();
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}
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delay_us(delay * 1000);
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wd_reset();
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}
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