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#define RTC_HOURS 4
#define RTC_HOURS_ALARM 5
/* RTC_*_alarm is always true if 2 MSBs are set */
# define RTC_ALARM_DONT_CARE 0xC0
#define RTC_DAY_OF_WEEK 6
#define RTC_DAY_OF_MONTH 7
#define RTC_MONTH 8
#define RTC_YEAR 9
四个控制寄存器的地址定义如下：
#define RTC_REG_A 10
#define RTC_REG_B 11
#define RTC_REG_C 12
#define RTC_REG_D 1页码：[1] [2] [3] [4] [5] [6] [7] 第2页、共7页 |
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