1/* 2 * Copyright (c) 2004-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 51 unchanged lines hidden (view full) --- 60TsunamiIO::RTC::RTC(const string &n, Tsunami* tsunami, const vector<int> &t, 61 bool bcd, Tick i) 62 : _name(n), event(tsunami, i), addr(0), year_is_bcd(bcd) 63{ 64 memset(clock_data, 0, sizeof(clock_data)); 65 stat_regA = RTCA_32768HZ | RTCA_1024HZ; 66 stat_regB = RTCB_PRDC_IE |RTCB_BIN | RTCB_24HR; 67 |
68 struct tm tm; |
69 parseTime(t, &tm); |
70 |
71 year = tm.tm_year; |
72 73 if (year_is_bcd) { |
74 // The datasheet says that the year field can be either BCD or 75 // years since 1900. Linux seems to be happy with years since 76 // 1900. 77 year = year % 100; 78 int tens = year / 10; 79 int ones = year % 10; 80 year = (tens << 4) + ones; |
81 } 82 |
83 // Unix is 0-11 for month, data seet says start at 1 84 mon = tm.tm_mon + 1; 85 mday = tm.tm_mday; 86 hour = tm.tm_hour; 87 min = tm.tm_min; 88 sec = tm.tm_sec; |
89 |
90 // Datasheet says 1 is sunday 91 wday = tm.tm_wday + 1; |
92 |
93 DPRINTFN("Real-time clock set to %s", asctime(&tm)); |
94} 95 96void 97TsunamiIO::RTC::writeAddr(const uint8_t data) 98{ 99 if (data <= RTC_STAT_REGD) 100 addr = data; 101 else --- 601 unchanged lines hidden --- |