FreeCalypso > hg > freecalypso-tools

annotate target-utils/pirexplore/rtc.c @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents e7502631a0f9
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 #include "types.h"
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Mychaela Falconia <falcon@freecalypso.org>
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2 #include "rtc.h"
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3
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4 static void
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5 read_time(tm)
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Mychaela Falconia <falcon@freecalypso.org>
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6 struct rtctime *tm;
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7 {
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8 tm->year = RTC_REGS.rtc_cur.year;
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Mychaela Falconia <falcon@freecalypso.org>
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9 tm->month = RTC_REGS.rtc_cur.month;
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10 tm->day_of_month = RTC_REGS.rtc_cur.day_of_month;
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Mychaela Falconia <falcon@freecalypso.org>
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11 tm->day_of_week = RTC_REGS.rtc_cur.day_of_week;
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Mychaela Falconia <falcon@freecalypso.org>
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12 tm->hours = RTC_REGS.rtc_cur.hours;
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Mychaela Falconia <falcon@freecalypso.org>
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13 tm->minutes = RTC_REGS.rtc_cur.minutes;
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Mychaela Falconia <falcon@freecalypso.org>
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14 tm->seconds = RTC_REGS.rtc_cur.seconds;
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15 }
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16
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17 void
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18 cmd_rtc()
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19 {
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20 u8 ctrl;
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21 struct rtctime time1, time2;
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22 int c;
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23
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24 ctrl = RTC_REGS.rtc_ctrl_reg;
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Mychaela Falconia <falcon@freecalypso.org>
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25 printf("RTC_CTRL_REG = %02X ", ctrl);
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Mychaela Falconia <falcon@freecalypso.org>
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26 switch (ctrl) {
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Mychaela Falconia <falcon@freecalypso.org>
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27 case 0x00:
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28 printf("(frozen)\n");
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29 break;
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30 case 0x01:
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31 printf("(running)\n");
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32 break;
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33 default:
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34 printf("(unexpected)\n");
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35 return;
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36 }
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37 printf("Reading RTC time");
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Mychaela Falconia <falcon@freecalypso.org>
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38 for (;;) {
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Mychaela Falconia <falcon@freecalypso.org>
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39 c = serial_in_poll();
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Mychaela Falconia <falcon@freecalypso.org>
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40 if (c >= 0) {
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Mychaela Falconia <falcon@freecalypso.org>
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41 printf("<INTERRUPT>\n");
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42 return;
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43 }
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Mychaela Falconia <falcon@freecalypso.org>
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44 read_time(&time1);
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Mychaela Falconia <falcon@freecalypso.org>
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45 read_time(&time2);
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46 if (!bcmp(&time1.minutes, &time2.minutes, 6))
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47 break;
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48 }
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49 printf("\nDATE %02X-%02X-%02X DOW %02X TIME %02X:%02X:%02X\n",
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Mychaela Falconia <falcon@freecalypso.org>
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50 time2.year, time2.month, time2.day_of_month, time2.day_of_week,
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Mychaela Falconia <falcon@freecalypso.org>
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51 time2.hours, time2.minutes, time2.seconds);
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52 }
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53
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54 void
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55 cmd_rtccomp()
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56 {
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57 printf("%04X\n", (RTC_REGS.rtc_comp_msb_reg << 8) |
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Mychaela Falconia <falcon@freecalypso.org>
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58 RTC_REGS.rtc_comp_lsb_reg);
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59 }