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[mini2440]fix list_date problem 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@535 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
qiuyiuestc 2010-03-24 13:37:20 +00:00
parent 31561ae50a
commit 7606f6d952
1 changed files with 35 additions and 34 deletions
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69
libcpu/arm/s3c24x0/rtc.c
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@ -21,8 +21,8 @@
#define RTC_DEBUG
#define RTC_ENABLE (RTCCON |= 0x01); /*RTC read and write enable */
#define RTC_DISABLE (RTCCON &= ~0x01); /* RTC read and write disable */
#define RTC_ENABLE RTCCON |= 0x01; /*RTC read and write enable */
#define RTC_DISABLE RTCCON &= ~0x01; /* RTC read and write disable */
#define BCD2BIN(n) (((((n) >> 4) & 0x0F) * 10) + ((n) & 0x0F))
#define BIN2BCD(n) ((((n) / 10) << 4) | ((n) % 10))
@ -34,7 +34,7 @@ void rt_hw_rtc_get(struct tm *ti)
rt_uint8_t sec, min, hour, mday, wday, mon, year;
/* enable access to RTC registers */
RTC_ENABLE
RTCCON |= RTC_ENABLE;
/* read RTC registers */
do
@ -46,7 +46,12 @@ void rt_hw_rtc_get(struct tm *ti)
wday = BCDDAY;
mon = BCDMON;
year = BCDYEAR;
} while (sec != BCDSEC);
} while (sec != BCDSEC);
/*
rt_kprintf("sec:%x min:%x hour:%x mday:%x wday:%x mon:%x year:%x\n",
sec, min, hour, mday, wday, mon, year);
*/
/* disable access to RTC registers */
RTC_DISABLE
@ -80,15 +85,17 @@ void rt_hw_rtc_set(struct tm *ti)
/* enable access to RTC registers */
RTC_ENABLE
/* write RTC registers */
BCDSEC = sec;
BCDMIN = min;
BCDHOUR = hour;
BCDDATE = mday;
BCDDAY = wday;
BCDMON = mon;
BCDYEAR = year;
do{
/* write RTC registers */
BCDSEC = sec;
BCDMIN = min;
BCDHOUR = hour;
BCDDATE = mday;
BCDDAY = wday;
BCDMON = mon;
BCDYEAR = year;
}while (sec != BCDSEC);
/* disable access to RTC registers */
RTC_DISABLE
}
@ -162,23 +169,9 @@ void rt_hw_rtc_init(void)
}
time_t time(time_t* t)
{
rt_device_t device;
struct tm ti;
time_t time;
device = rt_device_find("rtc");
if (device != RT_NULL)
{
rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &ti);
if (t != RT_NULL)
{
time = mktime(&ti);
*t = time;
}
}
return time;
{
rt_kprintf("not implement yet\n");
return 0;
}
#ifdef RT_USING_FINSH
@ -219,10 +212,18 @@ FINSH_FUNCTION_EXPORT(set_time, set time(hour, minute, second))
void list_date(void)
{
time_t now;
time(&now);
rt_kprintf("%s\n", ctime(&now));
struct tm ti;
rt_device_t device;
device = rt_device_find("rtc");
if (device != RT_NULL)
{
rt_rtc_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &ti);
rt_kprintf("%04d-%02d-%02d %02d-%02d-%02d\n",
ti.tm_year + 1900, ti.tm_mon+1, ti.tm_mday,
ti.tm_hour, ti.tm_min, ti.tm_sec);
}
}
FINSH_FUNCTION_EXPORT(list_date, list date)
#endif