spi-hub-client

5.0.0 • Public • Published

SPI Hub Client

Interact with an SPI device from multiple processes

Installing and Running SPI Hub

To allow multiple devices to interact with a single device, the spi-hub process handles communications with devices, and communicates with clients over a UNIX socket. To install and run the SPI Hub process:

git clone https://github.com/jcoreio/spi-hub.git
cd spi-hub
npm install
./spiHub.js [SPI /dev entry] [, additional SPI /dev entry]

Using SPI Hub Client In Your Program

npm install --save spi-hub-client
const SPIHubClient = require('spi-hub-client')
 
const spi = new SPIHubClient()
 
spi.on('devicesChanged', devices => {
  console.log('SPI devices changed', devices)
})
 
spi.on('message', message => {
  console.log('got SPI message', message)
})
 
setTimeout(() => spi.send({ bus: 0, device: 0, channel: 4, data: 'hello SPI' }), 1000)

License

(The Apache 2.0 License)

Copyright (c) 2016 JCore Systems LLC

Licensed 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.

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npm i spi-hub-client

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5.0.0

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Apache-2.0

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  • jrmclaurin