FreeCalypso > hg > freecalypso-tools
annotate target-utils/simtest/poll.c @ 531:d36c793d71db
simtest standalone program: added abb_init() call
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 18 Jun 2019 05:28:09 +0000 |
parents | d96ea6ae6aa5 |
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rev | line source |
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1 #include <sys/types.h> |
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2 #include <strings.h> |
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3 #include "types.h" |
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4 #include "simregs.h" |
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5 |
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6 extern int serial_in_poll(); |
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7 |
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8 int enable_poll; |
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9 |
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10 void |
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11 poll_sim_rx() |
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12 { |
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13 u32 drx; |
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14 |
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15 if (SIMREGS.stat & SIM_STAT_FEMPTY) |
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16 return; |
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17 drx = SIMREGS.drx & 0xFF; |
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18 printf("%02X ", drx); |
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19 } |
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20 |
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21 int |
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22 mygetchar() |
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23 { |
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24 register int c; |
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25 |
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26 do { |
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27 if (enable_poll) |
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28 poll_sim_rx(); |
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29 c = serial_in_poll(); |
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30 } |
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31 while (c < 0); |
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32 return c; |
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33 } |
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34 |
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35 void |
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36 cmd_poll(argbulk) |
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37 char *argbulk; |
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38 { |
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39 char *argv[2]; |
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40 |
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41 if (parse_args(argbulk, 1, 1, argv, 0) < 0) |
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42 return; |
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43 if (!strcmp(argv[0], "on")) |
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44 enable_poll = 1; |
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45 else if (!strcmp(argv[0], "off")) |
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46 enable_poll = 0; |
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47 else |
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48 printf("ERROR: \"on\" or \"off\" argument expected\n"); |
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49 } |