o add ff lib

o add ff lib samples
o add ff linux sample

tools/ffsample/lpc2k/rtc.c

@@ -0,0 +1,53 @@
+/*--------------------------------------------------------------------------*/
+/*  RTC controls                                                            */
+
+#include "LPC2300.h"
+#include "rtc.h"
+
+
+
+BOOL rtc_gettime (RTC *rtc)
+{
+	DWORD d, t;
+
+
+	do {
+		t = RTC_CTIME0;
+		d = RTC_CTIME1;
+	} while (t != RTC_CTIME0 || d != RTC_CTIME1);
+
+	rtc->sec = t & 63;
+	rtc->min = (t >> 8) & 63;
+	rtc->hour = (t >> 16) & 31;
+	rtc->wday = (t >> 24) & 7;
+	rtc->mday = d & 31;
+	rtc->month = (d >> 8) & 15;
+	rtc->year = (d >> 16) & 4095;
+
+	return TRUE;
+}
+
+
+
+
+BOOL rtc_settime (const RTC *rtc)
+{
+	/* Stop RTC */
+	RTC_CCR = 0x12;
+
+	/* Update RTC registers */
+	RTC_SEC = rtc->sec;
+	RTC_MIN = rtc->min;
+	RTC_HOUR = rtc->hour;
+	RTC_DOW = rtc->wday;
+	RTC_DOM = rtc->mday;
+	RTC_MONTH = rtc->month;
+	RTC_YEAR = rtc->year;
+
+	/* Start RTC with external XTAL */
+	RTC_CCR = 0x11;
+
+	return TRUE;
+}
+
+