nuttx-apps/system/i2c/i2c_reset.c
Huang Qi 768a21b587 system/i2c: Fix fd leak in i2ccmd_reset
Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
2022-04-19 14:53:51 +03:00

74 lines
2.2 KiB
C

/****************************************************************************
* apps/system/i2c/i2c_reset.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <unistd.h>
#include <nuttx/i2c/i2c_master.h>
#include "i2ctool.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: i2ccmd_reset
****************************************************************************/
int i2ccmd_reset(FAR struct i2ctool_s *i2ctool, int argc, char **argv)
{
int ret;
int fd;
/* Get a handle to the I2C bus */
fd = i2cdev_open(i2ctool->bus);
if (fd < 0)
{
i2ctool_printf(i2ctool, "Failed to get bus %d\n", i2ctool->bus);
return ERROR;
}
ret = i2cdev_reset(fd);
if (ret == OK)
{
i2ctool_printf(i2ctool, "Reset command sent successfully\n");
}
else
{
i2ctool_printf(i2ctool, "Failed to send the reset command\n");
}
ret = close(fd);
if (ret < 0)
{
i2ctool_printf(i2ctool, "Failed to close i2c device\n");
}
return ret;
}