64 lines
1.1 KiB
C
64 lines
1.1 KiB
C
#include <rtc.h>
|
|
#include <mpu.h>
|
|
|
|
#include <stddef.h>
|
|
|
|
static void (*rtc_callback)(void) = NULL;
|
|
|
|
//---
|
|
// Callback API.
|
|
//---
|
|
|
|
/*
|
|
rtc_setCallback()
|
|
Sets the callback function for the real-time clock interrupt. If
|
|
frequency is non-NULL, the clock frequency is set to the given value.
|
|
*/
|
|
void gint_setRTCCallback(void (*callback)(void), enum RTCFrequency frequency)
|
|
{
|
|
rtc_callback = callback;
|
|
if(frequency < 1 || frequency > 7) return;
|
|
|
|
if(isSH3())
|
|
rtc_setFrequency_7705(frequency);
|
|
else
|
|
rtc_setFrequency_7305(frequency);
|
|
}
|
|
|
|
/*
|
|
rtc_getCallback()
|
|
Returns the callback function. If frequency is non-NULL, it is set to
|
|
the current frequency value.
|
|
*/
|
|
void (*gint_getRTCCallback(enum RTCFrequency *frequency))(void)
|
|
{
|
|
if(!frequency) return rtc_callback;
|
|
|
|
if(isSH3())
|
|
*frequency = rtc_getFrequency_7705();
|
|
else
|
|
*frequency = rtc_getFrequency_7305();
|
|
|
|
return rtc_callback;
|
|
}
|
|
|
|
|
|
|
|
//---
|
|
// Interrupt management.
|
|
//---
|
|
|
|
/*
|
|
rtc_interrupt()
|
|
Handles an RTC interrupt by calling the callback.
|
|
*/
|
|
void rtc_interrupt(void)
|
|
{
|
|
if(rtc_callback) (*rtc_callback)();
|
|
|
|
if(isSH3())
|
|
rtc_interrupt_7705();
|
|
else
|
|
rtc_interrupt_7305();
|
|
}
|