homebridge-gpio-cmd

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homebridge-gpio-cmd

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Raspberry Pi GPIO plugin for Homebridge, using /usr/bin/gpio

homebridge-gpio-cmd 최신버젼 다운로드

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// repository documentation

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# homebridge-gpio-cmd

Supports triggering General Purpose Input Output (GPIO) pins on the Raspberry Pi.

homebridge-gpio-cmd is based on:

* [homebridge-gpio](https://www.npmjs.com/package/homebridge-gpio) - uses quick2wire [gpio-admin](https://github.com/quick2wire/quick2wire-gpio-admin)
* [homebridge-gpio-wpi](https://www.npmjs.com/package/homebridge-gpio-wpi) - uses [wiring-pi](https://github.com/eugeneware/wiring-pi) Node.js bindings

except it runs the `/usr/bin/gpio` executable instead of using any other Node.js dependencies, for easier installation.

## Requirements
-	[Homebridge](https://github.com/nfarina/homebridge) - _HomeKit support for the impatient_
-	`/usr/bin/gpio` shell command (from [WiringPi](http://wiringpi.com), already included in e.g. [Raspbian](http://raspbian.org))

## Installation
1.	Install Homebridge using `npm install -g homebridge`
2.	Install this plugin `npm install -g homebridge-gpio-cmd`
3.	Update your configuration file - see `sample-config.json` in this repo

## Configuration
Example `config.json`

```json
{
  "accessories": [
    {
        "accessory": "GPIO",
        "name": "Lamp",
        "pin": 7,
        "duration": 4000
    }
  ]
}
```

## Pin Configuration
You need to configure the relevant GPIO pins using the [gpio utility](https://projects.drogon.net/raspberry-pi/wiringpi/the-gpio-utility/
) included with wiringPi.

```
$ gpio readall
 +-----+-----+---------+------+---+-Pi Zero--+---+------+---------+-----+-----+
 | BCM | wPi |   Name  | Mode | V | Physical | V | Mode | Name    | wPi | BCM |
 +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
 |     |     |    3.3v |      |   |  1 || 2  |   |      | 5v      |     |     |
 |   2 |   8 |   SDA.1 | ALT0 | 1 |  3 || 4  |   |      | 5V      |     |     |
 |   3 |   9 |   SCL.1 | ALT0 | 1 |  5 || 6  |   |      | 0v      |     |     |
 |   4 |   7 | GPIO. 7 |   IN | 1 |  7 || 8  | 1 | ALT0 | TxD     | 15  | 14  |
 |     |     |      0v |      |   |  9 || 10 | 1 | ALT0 | RxD     | 16  | 15  |
 |  17 |   0 | GPIO. 0 |   IN | 0 | 11 || 12 | 0 | IN   | GPIO. 1 | 1   | 18  |
 |  27 |   2 | GPIO. 2 |   IN | 0 | 13 || 14 |   |      | 0v      |     |     |
 |  22 |   3 | GPIO. 3 |   IN | 0 | 15 || 16 | 0 | OUT  | GPIO. 4 | 4   | 23  |
 |     |     |    3.3v |      |   | 17 || 18 | 0 | IN   | GPIO. 5 | 5   | 24  |
 |  10 |  12 |    MOSI |   IN | 0 | 19 || 20 |   |      | 0v      |     |     |
 |   9 |  13 |    MISO |   IN | 0 | 21 || 22 | 0 | IN   | GPIO. 6 | 6   | 25  |
 |  11 |  14 |    SCLK |   IN | 0 | 23 || 24 | 1 | IN   | CE0     | 10  | 8   |
 |     |     |      0v |      |   | 25 || 26 | 1 | IN   | CE1     | 11  | 7   |
 |   0 |  30 |   SDA.0 |   IN | 1 | 27 || 28 | 1 | IN   | SCL.0   | 31  | 1   |
 |   5 |  21 | GPIO.21 |   IN | 1 | 29 || 30 |   |      | 0v      |     |     |
 |   6 |  22 | GPIO.22 |   IN | 1 | 31 || 32 | 0 | IN   | GPIO.26 | 26  | 12  |
 |  13 |  23 | GPIO.23 |   IN | 0 | 33 || 34 |   |      | 0v      |     |     |
 |  19 |  24 | GPIO.24 |   IN | 0 | 35 || 36 | 0 | IN   | GPIO.27 | 27  | 16  |
 |  26 |  25 | GPIO.25 |   IN | 0 | 37 || 38 | 0 | IN   | GPIO.28 | 28  | 20  |
 |     |     |      0v |      |   | 39 || 40 | 0 | IN   | GPIO.29 | 29  | 21  |
 +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
 | BCM | wPi |   Name  | Mode | V | Physical | V | Mode | Name    | wPi | BCM |
 +-----+-----+---------+------+---+-Pi Zero--+---+------+---------+-----+-----+
```

The pin number specified in the config.json file is the **physical** pin number in this table
(matching homebridge-gpio, but not homebridge-gpio-wpi which uses BCM pin numbers instead).

homebridge-gpio-cmd only requires configuring the mode as output (no export needed), for example,
to configure the pin in the example config.json above, you could add to `/etc/rc.local`:

```
gpio -1 mode 7 out
```

## Licence

(The MIT License)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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