FreeCalypso > hg > freecalypso-tools
annotate target-utils/pirexplore/rtc.c @ 609:ffd606adb039
CHANGES: libserial ASYNC_LOW_LATENCY change documented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 22 Feb 2020 19:07:46 +0000 |
parents | e7502631a0f9 |
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1 #include "types.h" |
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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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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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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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11 tm->day_of_week = RTC_REGS.rtc_cur.day_of_week; |
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12 tm->hours = RTC_REGS.rtc_cur.hours; |
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13 tm->minutes = RTC_REGS.rtc_cur.minutes; |
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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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25 printf("RTC_CTRL_REG = %02X ", ctrl); |
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26 switch (ctrl) { |
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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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38 for (;;) { |
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39 c = serial_in_poll(); |
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40 if (c >= 0) { |
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41 printf("<INTERRUPT>\n"); |
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42 return; |
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43 } |
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44 read_time(&time1); |
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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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50 time2.year, time2.month, time2.day_of_month, time2.day_of_week, |
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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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58 RTC_REGS.rtc_comp_lsb_reg); |
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59 } |