FreeCalypso > hg > freecalypso-tools

annotate target-utils/lunadrv/backlight.c @ 995:74024eb17e04

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fc-loadtool help: improve language regarding 16 MiB flash chips In FC project history, 16 MiB flash originally meant Pirelli DP-L10. Then we got FCDEV3B with the same flash (our own design), but now we are discovering more Calypso devices that used such large flash, both late Calypso era (Sony Ericsson K2x0) as well as much earlier ones (FIC FLUID devices.txt file with 2004 dates, Leonardo+ rev 5). Hence we need to migrate to more generic or neutral language in associated documentation, without giving elevated status to specific examples that drove our early project history.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 03 Dec 2023 21:11:12 +0000
parents db9a8e88e63f
children
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db9a8e88e63f target-utils lunadrv program written, compiles
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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
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5 #define GPIO_OUT_REG (*(volatile u16 *) 0xfffe4802)
db9a8e88e63f target-utils lunadrv program written, compiles
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6 #define BACKLIGHT_GPIO_MASK 0x0200
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7
db9a8e88e63f target-utils lunadrv program written, compiles
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8 void
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9 cmd_dbl(argbulk)
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10 char *argbulk;
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11 {
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12 char *argv[2];
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13
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14 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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15 return;
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16 if (!strcmp(argv[0], "on"))
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17 GPIO_OUT_REG |= BACKLIGHT_GPIO_MASK;
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18 else if (!strcmp(argv[0], "off"))
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19 GPIO_OUT_REG &= ~BACKLIGHT_GPIO_MASK;
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20 else
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21 printf("ERROR: \"on\" or \"off\" argument expected\n");
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22 }