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Data Structures | |
struct | _NUTRTC |
RTC device structure. More... | |
Defines | |
#define | RTC_STATUS_PF 0x00000001 |
#define | RTC_STATUS_AL0 0x00000020 |
#define | RTC_STATUS_AL1 0x00000040 |
#define | RTC_ALARM_SECOND 0x00000001 |
#define | RTC_ALARM_MINUTE 0x00000002 |
#define | RTC_ALARM_HOUR 0x00000004 |
#define | RTC_ALARM_MDAY 0x00000008 |
#define | RTC_ALARM_MONTH 0x00000010 |
#define | RTC_ALARM_WDAY 0x00000080 |
#define | BCD2BIN(x) ((((u_char)(x)) >> 4) * 10 + ((x) & 0x0F)) |
Convert binary coded decimal to binary value. | |
#define | BIN2BCD(x) (((((u_char)(x)) / 10) << 4) + (x) % 10) |
Convert binary to binary coded decimal value. | |
Typedefs | |
typedef _NUTRTC | NUTRTC |
RTC device type. | |
Functions | |
int | NutRegisterRtc (NUTRTC *rtc) |
Register a specified RTC. | |
int | NutRtcGetTime (struct _tm *tm) |
Get date and time from the registered RTC. | |
int | NutRtcSetTime (CONST struct _tm *tm) |
Set date and time of the registered RTC. | |
int | NutRtcGetAlarm (int idx, struct _tm *tm, int *aflags) |
Get alarm date and time from the registered RTC. | |
int | NutRtcSetAlarm (int idx, CONST struct _tm *tm, int aflags) |
Set alarm date and time of the registered RTC. | |
int | NutRtcGetStatus (u_long *sflags) |
Query status flags from the registered RTC. | |
int | NutRtcClearStatus (u_long sflags) |
Clear status flags of the registered RTC. |
#define RTC_STATUS_PF 0x00000001 |
Definition at line 46 of file rtc.h.
Referenced by main(), and PcfRtcGetStatus().
#define RTC_ALARM_SECOND 0x00000001 |
#define RTC_ALARM_MINUTE 0x00000002 |
#define RTC_ALARM_HOUR 0x00000004 |
#define RTC_ALARM_MDAY 0x00000008 |
#define RTC_ALARM_MONTH 0x00000010 |
#define RTC_ALARM_WDAY 0x00000080 |
#define BCD2BIN | ( | x | ) | ((((u_char)(x)) >> 4) * 10 + ((x) & 0x0F)) |
Convert binary coded decimal to binary value.
Definition at line 60 of file rtc.h.
Referenced by DS1307RtcGetClock(), PcfRtcGetClock(), X12RtcGetAlarm(), and X12RtcGetClock().
#define BIN2BCD | ( | x | ) | (((((u_char)(x)) / 10) << 4) + (x) % 10) |
Convert binary to binary coded decimal value.
Definition at line 65 of file rtc.h.
Referenced by DS1307RtcSetClock(), PcfRtcSetClock(), X12RtcSetAlarm(), and X12RtcSetClock().
int NutRegisterRtc | ( | NUTRTC * | rtc | ) |
Register a specified RTC.
This will also initialize any hardware, if required.
rtc | Pointer to the NUTRTC structure. |
Definition at line 66 of file rtc.c.
References _NUTRTC::rtc_init.
Referenced by main().
int NutRtcGetTime | ( | struct _tm * | tm | ) |
Get date and time from the registered RTC.
Portable applications should use standard C functions.
tm | Points to a structure that receives the date and time information. |
Definition at line 88 of file rtc.c.
References _NUTRTC::rtc_gettime.
Referenced by time().
int NutRtcSetTime | ( | CONST struct _tm * | tm | ) |
Set date and time of the registered RTC.
Portable applications should stime().
tm | Points to a structure which contains the date and time information. |
Definition at line 106 of file rtc.c.
References _NUTRTC::rtc_settime.
Referenced by stime().
int NutRtcGetAlarm | ( | int | idx, | |
struct _tm * | tm, | |||
int * | aflags | |||
) |
Get alarm date and time from the registered RTC.
idx | Zero based index. Two alarms are supported. | |
tm | Points to a structure that receives the date and time information. | |
aflags | Points to an unsigned long that receives the enable flags. |
Definition at line 125 of file rtc.c.
References _NUTRTC::rtc_getalarm.
int NutRtcSetAlarm | ( | int | idx, | |
CONST struct _tm * | tm, | |||
int | aflags | |||
) |
Set alarm date and time of the registered RTC.
idx | Zero based index. Two alarms are supported. | |
tm | Points to a structure which contains the date and time information. May be NULL to clear the alarm. | |
aflags | Each bit enables a specific comparision.
|
Definition at line 149 of file rtc.c.
References _NUTRTC::rtc_setalarm.
int NutRtcGetStatus | ( | u_long * | sflags | ) |
Query status flags from the registered RTC.
sflags | Points to an unsigned long that receives the status flags.
|
Definition at line 167 of file rtc.c.
References _NUTRTC::rtc_getstatus.
Referenced by main().
int NutRtcClearStatus | ( | u_long | sflags | ) |
Clear status flags of the registered RTC.
sflags | Status flags to clear. |
Definition at line 182 of file rtc.c.
References _NUTRTC::rtc_clrstatus.