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FS#10569 RTC driver cleanup

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Change the RTC drivers so that the rtc_(read|write)_datetime functions now deal directly with the tm struct instead of passing a string of bcd digits to/from (set|get)_time .
This simplifies drivers for rtc's that do not use a bcd representation internally and cleans up some target specific code and #ifdefs in generic code. Implement simple stubs for the sim to avoid #ifdefing for that too.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22839 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nils Wallménius 2009-09-26 14:58:32 +00:00
parent 66d5bd7cf8
commit c8b87d76eb
16 changed files with 452 additions and 373 deletions
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11
firmware/export/rtc.h
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@ -24,13 +24,19 @@
#include <stdbool.h>
#include "system.h"
#include "config.h"
#include "time.h"
/* Macros used to convert to and from BCD, used in various rtc drivers
this is the wrong place but misc.h is in apps... */
#define BCD2DEC(X) (((((X)>>4) & 0x0f) * 10) + ((X) & 0xf))
#define DEC2BCD(X) ((((X)/10)<<4) | ((X)%10))
#if CONFIG_RTC
/* Common functions for all targets */
void rtc_init(void);
int rtc_read_datetime(unsigned char* buf);
int rtc_write_datetime(unsigned char* buf);
int rtc_read_datetime(struct tm *tm);
int rtc_write_datetime(const struct tm *tm);
#if CONFIG_RTC == RTC_M41ST84W
@ -53,3 +59,4 @@ bool rtc_check_alarm_flag(void);
#endif /* CONFIG_RTC */
#endif