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chip-io

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Johnny-Five IO Plugin for the Next Thing Co. C.H.I.P.

Prerequisites

  • Next Thing Co. C.H.I.P. board
  • Node.js installed
    1. Install curl: sudo apt-get install curl
    2. Follow Debian section of NodeSource installations instructions
  • Build essential installed: sudo apt-get install build-essential
  • Add chip user to i2c group: sudo adduser chip i2c

NOTE: Some GPIO pins require root or sudo.

Getting Started

npm install chip-io johnny-five

NOTE: Must be run on the C.H.I.P. itself.

Boilerplate Program

var five = require('johnny-five');
var chipio = require('chip-io');

var board = new five.Board({
  io: new chipio()
});

board.on('ready', function() {
  // do Johnny-Five stuff
});

Examples

See examples folder as well as Johnny-Five examples.

API

See Johnny-Five API docs.

Pin Guide

Johnny-Five Compatible Name Number Supported Modes Requires root or sudo Info
LCD-D2 17 Input
PWM0 18 Input, Output, PWM
LCD-D4 19 Input, Output
LCD-D3 20 Input, Output
LCD-D6 21 Input, Output
LCD-D5 22 Input, Output
LCD-D10 23 Input, Output
LCD-D7 24 Input, Output
LCD-D12 25 Input, Output
LCD-D11 26 Input, Output
LCD-D14 27 Input, Output
LCD-D13 28 Input, Output
LCD-D18 29 Input, Output
LCD-D15 30 Input, Output
LCD-D20 31 Input, Output
LCD-D19 32 Input, Output
LCD-D22 33 Input, Output
LCD-D21 34 Input, Output
LCD-CLK 35 Input, Output
LCD-D23 36 Input, Output
LCD-VSYNC 37 Input, Output
LCD-HSYNC 38 Input, Output
LCD-DE 40 Input, Output
LRADC 51 Analog
XIO-P0 53 Input, Output Connected to the built-in PCF8574A IO extender
XIO-P1 54 Input, Output Connected to the built-in PCF8574A IO extender
XIO-P2 55 Input, Output Connected to the built-in PCF8574A IO extender
XIO-P3 56 Input, Output Connected to the built-in PCF8574A IO extender
XIO-P4 57 Input, Output Connected to the built-in PCF8574A IO extender
XIO-P5 58 Input, Output Connected to the built-in PCF8574A IO extender
XIO-P6 59 Input, Output Connected to the built-in PCF8574A IO extender
XIO-P7 60 Input, Output Connected to the built-in PCF8574A IO extender
CSIPCK 67 Input
CSICK 68 Input
CSIHSYNC 69 Input
CSIVSYNC 70 Input, Output
CSID0 71 Input, Output
CSID1 72 Input, Output
CSID2 73 Input, Output
CSID3 74 Input, Output
CSID4 75 Input, Output
CSID5 76 Input, Output
CSID6 77 Input, Output
CSID7 78 Input, Output
I2C I2C Uses I2C port 2 (TWI2-SCK and TWI2-SDA). Address 0x38 is used by the built-in PCF8574A IO extender

C.H.I.P. pinouts

Additional Features

Type Usage Johnny-Five type Notes
Battery Voltage new chipio.BatteryVoltage(); five.Sensor Reads battery voltage from the AXP209
Internal Temperature new chipio.InternalTemperature(); five.Thermometer Reads internal temperature from the AXP209
Onboard Button new chipio.OnboardButton(); five.Button Use onboard button (beside LCD-DE pin) connected to the AXP209
Status LED new chipio.StatusLed; five.Led Controls status LED connected to GPIO2 on the AXP209

About

Johnny-Five IO Plugin for the Next Thing Co. C.H.I.P.

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