81 lines
2.3 KiB
Plaintext
81 lines
2.3 KiB
Plaintext
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'use strict'
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const expect = require('chai').expect,
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_u = require('@uci/utils'),
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MCP = require('../lib/mcp23008-17')
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const bus = {}
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const config_sets = {
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output: {
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dir: 0, // 0 output,1 input
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ivrt: 0,
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pullup: 0,
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intr: 0, // if intr = 0 usedef,deval not used
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usedef: 0, // if usedef = 0 defval not used
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defval: 0
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},
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toggle_switch: {
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dir: 1, // 0 output,1 input
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ivrt: 1, // for reading let 1 be zero and vice versa
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pullup: 1,
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intr: 1, // if intr = 0 usedef,deval not used
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usedef: 0, // if usedef = 0 defval not used
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defval: 0
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},
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momentary_switch: {
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dir: 1, // 0 output,1 input
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ivrt: 1, // for reading let 1 be zero and vice versa
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pullup: 1,
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intr: 1, // if intr = 0 usedef,deval not used
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usedef: 1, // if usedef = 0 defval not used
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defval: 1
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}
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}
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// console.log(bus1)
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// bus1.scan((devs)=>{console.log('devices: ', devs)})
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//bus1.scan().then(results=>console.log(results))
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describe('I2C Device Classes - ', function () {
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let mcp17 = new MCP.MCP23017(bus, 0x20, {
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pin_cfg_default: 'momentary_switch',
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name: 'switches 1-16'
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})
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describe('MCP23017 Class - ', function () {
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it('can set and get a single pin config on both ports', function () {
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expect(mcp17.pin(1).cfg, 'pin configs getter failed').to.deep.equal(config_sets.momentary_switch)
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expect(mcp17.pin(8).cfg.dir, 'pin config getter failed').to.equal(1)
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mcp17.pin(8).cfg.dir = 0
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expect(mcp17.pin(8).cfg.dir, 'pin address setter failed').to.equal(0)
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expect(mcp17.pin(8, 'B').cfg.dir, 'pin address getter port B failed').to.equal(1)
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mcp17.pin(8, 'B').cfg.dir = 0
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expect(mcp17.pin(8, 'B').config.dir, 'pin address setter failed').to.equal(0)
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})
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})
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let mcp8 = new MCP.MCP23008(bus, 0x21, {
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pin_cfg_default: 'toggle_switch',
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name: 'test 1-8'
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})
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describe('MCP23008 Class - ', function () {
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it('can set and get a single pin config', function () {
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expect(mcp8.pin(1).cfg, 'pin configs getter failed').to.deep.equal(config_sets.toggle_switch)
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expect(mcp8.pin(8).cfg.dir, 'pin address getter failed').to.equal(1)
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expect(mcp8.pin(8).cfg.ivrt, 'pin address getter failed').to.equal(1)
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expect(mcp8.pin(8).cfg.usedef, 'pin address getter failed').to.equal(0)
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mcp8.pin(8).cfg.dir = 0
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expect(mcp8.pin(8).cfg.dir, 'pin address setter failed').to.equal(0)
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expect(mcp8.pin(8).cfg.ivrt, 'pin address getter failed').to.equal(1)
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})
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})
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})
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