XMEGA Application Note


rtc_driver.h

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00001 /* This file has been prepared for Doxygen automatic documentation generation.*/
00059 #ifndef RTC_DRIVER_H
00060 #define RTC_DRIVER_H
00061 
00062 //#include "compiler.h"
00063 #include "avr_compiler.h"
00064 
00065 /* Definitions of macros. */
00066 
00071 #define RTC_Busy()               ( RTC.STATUS & RTC_SYNCBUSY_bm )
00072 
00077 #define RTC_GetOverflowFlag()    ( RTC.INTFLAGS & RTC_OVFIF_bm )
00078 
00083 #define RTC_GetCompareFlag()     ( RTC.INTFLAGS & RTC_COMPIF_bm )
00084 
00094 #define RTC_SetCount( _rtccnt )  ( RTC.CNT = (_rtccnt) )
00095 
00102 #define RTC_GetCount()           ( RTC.CNT )
00103 
00113 #define RTC_SetPeriod( _rtcper ) ( RTC.PER = (_rtcper) )
00114 
00121 #define RTC_GetPeriod()          ( RTC.PER )
00122 
00133 #define RTC_SetCompareValue( _cmpVal ) ( RTC.COMP = (_cmpVal) )
00134 
00142 #define RTC_GetCompareValue()    ( RTC.COMP )
00143 
00144 
00145 /* Prototyping of functions. Documentation is found in source file. */
00146 
00147 void RTC_Initialize( uint16_t period,
00148                      uint16_t count,
00149                      uint16_t compareValue,
00150                      RTC_PRESCALER_t prescaler);
00151 void RTC_SetOverflowIntLevel( RTC_OVFINTLVL_t intLevel );
00152 void RTC_SetCompareIntLevel( RTC_COMPINTLVL_t intLevel );
00153 void RTC_SetIntLevels( RTC_OVFINTLVL_t ovfIntLevel,
00154                        RTC_COMPINTLVL_t compIntLevel );
00155 void RTC_SetAlarm( uint16_t alarmTimeout );
00156 void RTC_SetPrescaler( RTC_PRESCALER_t prescaler );
00157 
00158 
00173 #endif
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