35 lines
596 B
C
35 lines
596 B
C
#include <7305.h>
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#include <rtc.h>
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//---
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// Various MPU-dependent procedures.
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//---
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/*
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rtc_setFrequency()
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Sets the RTC interrupt frequency and enables interrupts.
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*/
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void rtc_setFrequency_7305(enum RTCFrequency frequency)
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{
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if(frequency < 1 || frequency > 7) return;
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RTC.RCR2.BYTE = (frequency << 4) | 0x09;
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}
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/*
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rtc_getFrequency()
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Returns the RTC interrupt frequency.
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*/
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enum RTCFrequency rtc_getFrequency_7305(void)
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{
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return (RTC.RCR2.BYTE & 0x70) >> 4;
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}
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/*
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rtc_interrupt()
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Handles an RTC interrupt by calling the callback.
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*/
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void rtc_interrupt_7305(void)
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{
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RTC.RCR2.PEF = 0;
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}
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