FreeCalypso > hg > freecalypso-tools
annotate target-utils/flash-boot-test/watchdog.c @ 838:02d92d49c9f8
doc/Audio-mode-config: update for old vs new AEC
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 30 Jul 2021 05:21:19 +0000 |
parents | 3d7b546c710c |
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target-utils/flash-boot-test: more watchdog experimentation commands
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1 #include <sys/types.h> |
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2 #include "types.h" |
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3 |
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4 void |
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5 cmd_wd() |
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6 { |
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7 /* stop/disable the watchdog timer */ |
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8 *(volatile u16 *)0xFFFFF804 = 0xF5; |
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9 *(volatile u16 *)0xFFFFF804 = 0xA0; |
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10 } |
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11 |
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12 void |
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13 cmd_we() |
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14 { |
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15 /* watchdog enable */ |
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16 *(volatile u16 *)0xFFFFF804 = 0x8000; |
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17 } |
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18 |
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19 void |
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20 cmd_wr() |
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21 { |
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22 /* read and display watchdog downcount register */ |
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23 printf("%04X\n", *(volatile u16 *)0xFFFFF802); |
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24 } |
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25 |
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26 void |
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27 cmd_ww(argbulk) |
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28 char *argbulk; |
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29 { |
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30 /* single or double write to WATCHDOG_TIM_MODE */ |
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31 char *argv[3]; |
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32 u_long w1, w2; |
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33 |
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34 if (parse_args(argbulk, 1, 2, argv, 0) < 0) |
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35 return; |
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36 if (parse_hexarg(argv[0], 4, &w1) < 0) { |
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37 printf("ERROR: arg1 must be a valid 16-bit hex value\n"); |
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38 return; |
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39 } |
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40 if (argv[1] && parse_hexarg(argv[1], 4, &w2) < 0) { |
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41 printf("ERROR: arg2 must be a valid 16-bit hex value\n"); |
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42 return; |
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43 } |
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44 /* do it */ |
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45 *(volatile u16 *)0xFFFFF804 = w1; |
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46 if (argv[1]) |
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47 *(volatile u16 *)0xFFFFF804 = w2; |
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48 } |