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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.
*
*/
#include <common.h>
#include <command.h>
#include <errno.h>
#include <gpio.h>
static int do_gpio_get_value(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;
}
BAREBOX_CMD_START(gpio_get_value)
.cmd = do_gpio_get_value,
BAREBOX_CMD_DESC("return value of a GPIO pin")
BAREBOX_CMD_OPTS("GPIO")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_END
static int do_gpio_set_value(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;
}
BAREBOX_CMD_START(gpio_set_value)
.cmd = do_gpio_set_value,
BAREBOX_CMD_DESC("set a GPIO's output value")
BAREBOX_CMD_OPTS("GPIO VALUE")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_END
static int do_gpio_direction_input(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;
}
BAREBOX_CMD_START(gpio_direction_input)
.cmd = do_gpio_direction_input,
BAREBOX_CMD_DESC("set direction of a GPIO pin to input")
BAREBOX_CMD_OPTS("GPIO")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_END
static int do_gpio_direction_output(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;
}
BAREBOX_CMD_START(gpio_direction_output)
.cmd = do_gpio_direction_output,
BAREBOX_CMD_DESC("set direction of a GPIO pin to output")
BAREBOX_CMD_OPTS("GPIO VALUE")
BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
BAREBOX_CMD_END
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