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239 lines
7.9 KiB
Go
239 lines
7.9 KiB
Go
// Copyright 2017 The Periph Authors. All rights reserved.
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// Use of this source code is governed under the Apache License, Version 2.0
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// that can be found in the LICENSE file.
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package cap1188
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import (
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"flag"
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"io/ioutil"
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"log"
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"reflect"
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"testing"
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"time"
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"periph.io/x/periph/conn/i2c"
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"periph.io/x/periph/conn/i2c/i2ctest"
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)
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func TestNewI2C(t *testing.T) {
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bus := i2ctest.Playback{
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Ops: []i2ctest.IO{
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// chip ID
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{Addr: 40, W: []byte{0xfd}, R: []byte{0x50}},
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// clear interrupt
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{Addr: 40, W: []byte{0x0}, R: []byte{0x0}},
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{Addr: 40, W: []byte{0x0, 0x0}, R: nil},
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// enable all inputs
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{Addr: 40, W: []byte{0x21, 0xff}, R: nil},
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// enable interrupts
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{Addr: 40, W: []byte{0x27, 0xff}, R: nil},
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// enable/disable repeats
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{Addr: 40, W: []byte{0x28, 0xff}, R: nil},
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// multitouch
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{Addr: 40, W: []byte{0x2a, 0x4}, R: nil},
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// sampling
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{Addr: 40, W: []byte{0x24, 0x8}, R: nil},
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// sensitivity
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{Addr: 40, W: []byte{0x1f, 0x50}, R: nil},
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// don't retrigger on hold
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{Addr: 40, W: []byte{0x28, 0x0}, R: nil},
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// config
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{Addr: 40, W: []byte{0x20, 0x30}, R: nil},
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// config 2
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{Addr: 40, W: []byte{0x44, 0x61}, R: nil},
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},
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}
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d, err := NewI2C(&bus, &Opts{Debug: true})
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if err != nil {
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t.Fatal(err)
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}
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if s := d.String(); s != "cap1188{playback(40)}" {
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t.Fatal(s)
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}
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if err := d.Halt(); err != nil {
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t.Fatal(err)
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}
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if err := bus.Close(); err != nil {
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t.Fatal(err)
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}
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}
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func TestDev_InputStatus(t *testing.T) {
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tests := []struct {
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name string
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bus i2c.Bus
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want [8]TouchStatus
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}{
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{name: "all off",
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bus: &i2ctest.Playback{
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Ops: append(setupPlaybackIO(), []i2ctest.IO{
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// status
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{Addr: 40, W: []byte{0x3}, R: []byte{0x0}},
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// deltas
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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// thresholds
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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}...),
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},
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want: [8]TouchStatus{OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus},
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},
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{name: "all pressed",
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bus: &i2ctest.Playback{
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Ops: append(setupPlaybackIO(), []i2ctest.IO{
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{Addr: 40, W: []byte{0x3}, R: []byte{0xff}},
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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}...),
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},
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want: [8]TouchStatus{PressedStatus, PressedStatus, PressedStatus, PressedStatus, PressedStatus, PressedStatus, PressedStatus, PressedStatus},
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},
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{name: "first pressed",
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bus: &i2ctest.Playback{
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Ops: append(setupPlaybackIO(), []i2ctest.IO{
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{Addr: 40, W: []byte{0x3}, R: []byte{0x80}},
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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}...),
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},
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want: [8]TouchStatus{PressedStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus},
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},
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{name: "second pressed",
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bus: &i2ctest.Playback{
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Ops: append(setupPlaybackIO(), []i2ctest.IO{
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{Addr: 40, W: []byte{0x3}, R: []byte{0x40}},
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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}...),
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},
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want: [8]TouchStatus{OffStatus, PressedStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus},
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},
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{name: "third pressed",
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bus: &i2ctest.Playback{
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Ops: append(setupPlaybackIO(), []i2ctest.IO{
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{Addr: 40, W: []byte{0x3}, R: []byte{0x20}},
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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}...),
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},
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want: [8]TouchStatus{OffStatus, OffStatus, PressedStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus},
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},
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{name: "eighth pressed",
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bus: &i2ctest.Playback{
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Ops: append(setupPlaybackIO(), []i2ctest.IO{
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{Addr: 40, W: []byte{0x3}, R: []byte{0x1}},
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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}...),
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},
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want: [8]TouchStatus{OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, PressedStatus},
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},
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{name: "3 pressed",
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bus: &i2ctest.Playback{
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Ops: append(setupPlaybackIO(), []i2ctest.IO{
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{Addr: 40, W: []byte{0x3}, R: []byte{0x91}},
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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}...),
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},
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want: [8]TouchStatus{PressedStatus, OffStatus, OffStatus, PressedStatus, OffStatus, OffStatus, OffStatus, PressedStatus},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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d, err := NewI2C(tt.bus, DefaultOpts())
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if err != nil {
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t.Fatal(err)
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}
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got, err := d.InputStatus()
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if err != nil {
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t.Fatalf("Dev.InputStatus() error = %v", err)
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("Dev.InputStatus() = %v, want %v", got, tt.want)
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}
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})
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}
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// test hold
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t.Run("held touch sensors", func(t *testing.T) {
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bus := &i2ctest.Playback{
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Ops: append(setupPlaybackIO(), []i2ctest.IO{
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{Addr: 40, W: []byte{0x3}, R: []byte{0x80}},
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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// repeat call to get status (still pressed)
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{Addr: 40, W: []byte{0x3}, R: []byte{0x80}},
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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// finall call
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{Addr: 40, W: []byte{0x3}, R: []byte{0x0}},
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//{Addr: 40, W: []byte{0x10}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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//{Addr: 40, W: []byte{0x30}, R: []byte{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}},
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}...),
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}
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// Set the recorded response to have the retrigger option on.
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bus.Ops[10] = i2ctest.IO{Addr: 40, W: []byte{0x28, 0xff}, R: nil}
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opts := DefaultOpts()
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// Following option needs to be true so we can get the held status.
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opts.RetriggerOnHold = true
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d, err := NewI2C(bus, opts)
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if err != nil {
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t.Fatal(err)
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}
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// first check
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got, err := d.InputStatus()
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(got, [8]TouchStatus{PressedStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus}) {
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t.Fatalf("expected to have the first sensor touched but instead got %v", got)
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}
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// 2nd check
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got, err = d.InputStatus()
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(got, [8]TouchStatus{HeldStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus, OffStatus}) {
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t.Fatalf("expected to have the first sensor touched but instead got %v", got)
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}
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})
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}
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func setupPlaybackIO() []i2ctest.IO {
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return []i2ctest.IO{
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// chip ID
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{Addr: 40, W: []byte{0xfd}, R: []byte{0x50}},
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// clear interrupt
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{Addr: 40, W: []byte{0x0}, R: []byte{0x0}},
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{Addr: 40, W: []byte{0x0, 0x0}, R: nil},
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// enable all inputs
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{Addr: 40, W: []byte{0x21, 0xff}, R: nil},
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// enable interrupts
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{Addr: 40, W: []byte{0x27, 0xff}, R: nil},
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// enable/disable repeats
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{Addr: 40, W: []byte{0x28, 0xff}, R: nil},
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// multitouch
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{Addr: 40, W: []byte{0x2a, 0x4}, R: nil},
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// sampling
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{Addr: 40, W: []byte{0x24, 0x8}, R: nil},
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// sensitivity
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{Addr: 40, W: []byte{0x1f, 0x50}, R: nil},
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// linked leds
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{Addr: 40, W: []byte{0x72, 0xff}, R: nil},
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// don't retrigger on hold
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{Addr: 40, W: []byte{0x28, 0x0}, R: nil},
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// config
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{Addr: 40, W: []byte{0x20, 0x30}, R: nil},
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// config 2
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{Addr: 40, W: []byte{0x44, 0x61}, R: nil},
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}
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}
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func init() {
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sleep = func(time.Duration) {}
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flag.Parse()
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if !testing.Verbose() {
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log.SetOutput(ioutil.Discard)
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}
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}
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