diff options
Diffstat (limited to 'rtc/ds12887.c')
| -rw-r--r-- | rtc/ds12887.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/rtc/ds12887.c b/rtc/ds12887.c index 5d9c5dd..cf572cc 100644 --- a/rtc/ds12887.c +++ b/rtc/ds12887.c @@ -45,7 +45,7 @@ #define RTC_CONTROL_C 0x0C #define RTC_CONTROL_D 0x0D -#define RTC_CA_UIP 0x80 +#define RTC_CA_UIP 0x80 #define RTC_CB_DM 0x04 #define RTC_CB_24_12 0x02 #define RTC_CB_SET 0x80 @@ -55,10 +55,10 @@ static uchar rtc_read (uchar reg) { uchar val; - + *(volatile unsigned char*)(RTC_PORT_ADDR) = reg; __asm__ __volatile__ ("sync"); - + val = *(volatile unsigned char*)(RTC_PORT_DATA); return (val); } @@ -95,7 +95,7 @@ void rtc_get (struct rtc_time *tmp) /* check if rtc is available for access */ while( rtc_read(RTC_CONTROL_A) & RTC_CA_UIP) ; - + sec = rtc_read(RTC_SECONDS); min = rtc_read(RTC_MINUTES); hour = rtc_read(RTC_HOURS); @@ -183,11 +183,11 @@ void rtc_set (struct rtc_time *tmp) min = tmp->tm_min; sec = tmp->tm_sec; } - + /* disables the RTC to update the regs */ save_ctrl_b = rtc_read(RTC_CONTROL_B); save_ctrl_b |= RTC_CB_SET; - rtc_write(RTC_CONTROL_B, save_ctrl_b); + rtc_write(RTC_CONTROL_B, save_ctrl_b); rtc_write (RTC_YEAR, year); rtc_write (RTC_MONTH, mon); @@ -199,24 +199,24 @@ void rtc_set (struct rtc_time *tmp) /* enables the RTC to update the regs */ save_ctrl_b &= ~RTC_CB_SET; - rtc_write(RTC_CONTROL_B, save_ctrl_b); + rtc_write(RTC_CONTROL_B, save_ctrl_b); } void rtc_reset (void) { struct rtc_time tmp; uchar ctrl_rg; - + ctrl_rg = RTC_CB_SET; - rtc_write(RTC_CONTROL_B,ctrl_rg); - + rtc_write(RTC_CONTROL_B,ctrl_rg); + tmp.tm_year = 1970 % 100; tmp.tm_mon = 1; tmp.tm_mday= 1; tmp.tm_hour = 0; tmp.tm_min = 0; tmp.tm_sec = 0; - + #ifdef RTC_DEBUG printf ( "RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n", tmp.tm_year, tmp.tm_mon, tmp.tm_mday, @@ -224,15 +224,15 @@ void rtc_reset (void) #endif ctrl_rg = RTC_CB_SET | RTC_CB_24_12 | RTC_CB_DM; - rtc_write(RTC_CONTROL_B,ctrl_rg); + rtc_write(RTC_CONTROL_B,ctrl_rg); rtc_set(&tmp); rtc_write(RTC_HOURS_ALARM, 0), - rtc_write(RTC_MINUTES_ALARM, 0), + rtc_write(RTC_MINUTES_ALARM, 0), rtc_write(RTC_SECONDS_ALARM, 0); - + ctrl_rg = RTC_CB_24_12 | RTC_CB_DM; - rtc_write(RTC_CONTROL_B,ctrl_rg); + rtc_write(RTC_CONTROL_B,ctrl_rg); } #endif /* (CONFIG_RTC_DS12887) && (CONFIG_COMMANDS & CFG_CMD_DATE) */ |