| /**************************************************************************** |
| * 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; |
| } |
| |