FreeCalypso > hg > freecalypso-tools

annotate target-utils/c139explore/backlight.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 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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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 }