FreeCalypso > hg > freecalypso-tools

annotate target-utils/lunadrv/backlight.c @ 700:db9a8e88e63f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
target-utils lunadrv program written, compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 07 May 2020 02:19:51 +0000
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
700
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 #include <sys/types.h>
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 #include <strings.h>
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 #include "types.h"
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #define GPIO_OUT_REG (*(volatile u16 *) 0xfffe4802)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #define BACKLIGHT_GPIO_MASK 0x0200
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 void
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 cmd_dbl(argbulk)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 char *argbulk;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 {
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 char *argv[2];
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 return;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 if (!strcmp(argv[0], "on"))
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 GPIO_OUT_REG |= BACKLIGHT_GPIO_MASK;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 else if (!strcmp(argv[0], "off"))
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 GPIO_OUT_REG &= ~BACKLIGHT_GPIO_MASK;
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 else
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 printf("ERROR: \"on\" or \"off\" argument expected\n");
db9a8e88e63f target-utils lunadrv program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 }