FreeCalypso > hg > freecalypso-tools

annotate target-utils/c139explore/backlight.c @ 921:74d284add54d

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fc-fsio: guard against bogus readdir results from the target If the FFS being operated on contains SE K2x0 extended filenames, readdir will return strings that are bad for printing. We need to guard against this possibility, and also against possible other bogosity that could be sent by other alien firmwares.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 31 Dec 2022 22:55:23 +0000
parents 5d9d95530256
children
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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 "abbdefs.h"
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6 #define GPIO_OUT_REG (*(volatile u16 *) 0xfffe4802)
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7 #define BACKLIGHT_GPIO_MASK 0x0002
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9 #define AUXLED_KPBL_OFF 0x000
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10 #define AUXLED_KPBL_ON 0x002
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11
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12 void
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13 cmd_dbl(argbulk)
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14 char *argbulk;
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15 {
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16 char *argv[2];
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18 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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19 return;
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20 if (!strcmp(argv[0], "on"))
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21 GPIO_OUT_REG |= BACKLIGHT_GPIO_MASK;
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22 else if (!strcmp(argv[0], "off"))
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23 GPIO_OUT_REG &= ~BACKLIGHT_GPIO_MASK;
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24 else
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25 printf("ERROR: \"on\" or \"off\" argument expected\n");
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26 }
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28 void
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29 cmd_kpbl(argbulk)
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30 char *argbulk;
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31 {
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32 char *argv[2];
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33
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34 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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35 return;
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36 if (!strcmp(argv[0], "on"))
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37 abb_reg_write(AUXLED, AUXLED_KPBL_ON);
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38 else if (!strcmp(argv[0], "off"))
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39 abb_reg_write(AUXLED, AUXLED_KPBL_OFF);
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40 else
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41 printf("ERROR: \"on\" or \"off\" argument expected\n");
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42 }