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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <errno.h>
#include <gpio.h>
static int do_gpio_get_value(struct command *cmdtp, int argc, char *argv[])
{
int gpio, value;
if (argc < 2)
return COMMAND_ERROR_USAGE;
gpio = simple_strtoul(argv[1], NULL, 0);
value = gpio_get_value(gpio);
if (value < 0)
return 1;
return value;
}
static const __maybe_unused char cmd_gpio_get_value_help[] =
"Usage: gpio_set_value <gpio>\n";
BAREBOX_CMD_START(gpio_get_value)
.cmd = do_gpio_get_value,
.usage = "return a gpio's value",
BAREBOX_CMD_HELP(cmd_gpio_get_value_help)
BAREBOX_CMD_END
static int do_gpio_set_value(struct command *cmdtp, int argc, char *argv[])
{
int gpio, value;
if (argc < 3)
return COMMAND_ERROR_USAGE;
gpio = simple_strtoul(argv[1], NULL, 0);
value = simple_strtoul(argv[2], NULL, 0);
gpio_set_value(gpio, value);
return 0;
}
static const __maybe_unused char cmd_gpio_set_value_help[] =
"Usage: gpio_set_value <gpio> <value>\n";
BAREBOX_CMD_START(gpio_set_value)
.cmd = do_gpio_set_value,
.usage = "set a gpio's output value",
BAREBOX_CMD_HELP(cmd_gpio_set_value_help)
BAREBOX_CMD_END
static int do_gpio_direction_input(struct command *cmdtp, int argc, char *argv[])
{
int gpio, ret;
if (argc < 2)
return COMMAND_ERROR_USAGE;
gpio = simple_strtoul(argv[1], NULL, 0);
ret = gpio_direction_input(gpio);
if (ret)
return 1;
return 0;
}
static const __maybe_unused char cmd_do_gpio_direction_input_help[] =
"Usage: gpio_direction_input <gpio>\n";
BAREBOX_CMD_START(gpio_direction_input)
.cmd = do_gpio_direction_input,
.usage = "set a gpio as output",
BAREBOX_CMD_HELP(cmd_do_gpio_direction_input_help)
BAREBOX_CMD_END
static int do_gpio_direction_output(struct command *cmdtp, int argc, char *argv[])
{
int gpio, value, ret;
if (argc < 3)
return COMMAND_ERROR_USAGE;
gpio = simple_strtoul(argv[1], NULL, 0);
value = simple_strtoul(argv[2], NULL, 0);
ret = gpio_direction_output(gpio, value);
if (ret)
return 1;
return 0;
}
static const __maybe_unused char cmd_gpio_direction_output_help[] =
"Usage: gpio_direction_output <gpio> <value>\n";
BAREBOX_CMD_START(gpio_direction_output)
.cmd = do_gpio_direction_output,
.usage = "set a gpio as output",
BAREBOX_CMD_HELP(cmd_gpio_direction_output_help)
BAREBOX_CMD_END
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