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22 lines
381 B
C
22 lines
381 B
C
#pragma once
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#include <common/glib.h>
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#include <driver/acpi/acpi.h>
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#include <driver/timers/rtc/rtc.h>
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#define E_HPET_INIT_FAILED 1
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#define HPET0_INTERVAL 500 // HPET0定时器的中断间隔为500us
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int HPET_init();
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/**
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* @brief 测定apic定时器的频率
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*
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*/
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void HPET_measure_apic_timer_freq();
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/**
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* @brief 启用HPET周期中断（5ms）
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*
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*/
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void HPET_enable(); |