Merge branch 'develop' for v0.2.0
This commit is contained in:
@@ -10,7 +10,8 @@ Install with
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go install git.datalore.sh/datalore/midi-hid@latest
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```
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and run it with `midi-hid`. It reads `config.yaml` from its current working directory, creates the configured virtual gamepads and translates the inputs until SIGINT is received.
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and run it with `midi-hid`. If no config file is specified, it reads `~/.config/midi-hid/config.yaml`.
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Every configured midi controller will be represented by a virtual gamepad, and the inputs will be translated until SIGINT is received.
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See the provided example config on how to configure your controller, it should be pretty self-explanatory.
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148
config.go
148
config.go
@@ -1,148 +0,0 @@
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package main
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import (
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"fmt"
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"os"
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"github.com/goccy/go-yaml"
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"github.com/bendahl/uinput"
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)
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type Config struct {
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Controller []ControllerConfig `yaml:"controller"`
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}
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type ControllerConfig struct {
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PortName string `yaml:"portName"`
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VendorID uint16 `yaml:"vendorID"`
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ProductID uint16 `yaml:"productID"`
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Mappings []MappingConfig `yaml:"mappings"`
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}
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type MappingConfig struct {
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Comment string `yaml:"comment"`
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Type MappingType `yaml:"type"`
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MidiChannel uint8 `yaml:"midiChannel"`
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MidiKey uint8 `yaml:"midiKey"`
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MidiController uint8 `yaml:"midiController"`
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Button ButtonName `yaml:"button"`
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Axis AxisName `yaml:"axis"`
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IsSigned bool `yaml:"isSigned"`
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}
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type MappingType string
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type ButtonName string
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type AxisName string
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const (
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ButtonMappingType MappingType = "button"
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ControlMappingType MappingType = "control"
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ButtonNorth ButtonName = "north"
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ButtonEast ButtonName = "east"
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ButtonSouth ButtonName = "south"
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ButtonWest ButtonName = "west"
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AxisLeftX AxisName = "left-x"
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AxisLeftY AxisName = "left-y"
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AxisRightX AxisName = "right-x"
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AxisRightY AxisName = "right-y"
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)
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func ParseConfig(path string) (Config, error) {
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var config Config
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buffer, err := os.ReadFile(path)
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if err != nil {
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return config, err
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}
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err = yaml.Unmarshal(buffer, &config)
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if err != nil {
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return config, err
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}
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return config, nil
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}
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func (config Config) Construct() (ControllerList, error) {
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var controllerList ControllerList
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for _, controllerConfig := range config.Controller {
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actualController, err := controllerConfig.Construct()
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if err != nil {
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return nil, err
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}
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controllerList = append(controllerList, actualController)
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}
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return controllerList, nil
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}
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func (cc ControllerConfig) Construct() (*Controller, error) {
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actualController, err := NewController(cc.PortName, cc.VendorID, cc.ProductID)
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if err != nil {
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return actualController, err
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}
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for _, mappingConfig := range cc.Mappings {
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actualMapping, err := mappingConfig.Construct()
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if err != nil {
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return nil, err
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}
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actualController.AddMapping(actualMapping)
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}
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return actualController, nil
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}
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func (mc MappingConfig) Construct() (Mapping, error) {
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switch mc.Type {
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case ButtonMappingType:
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button, err := mc.Button.Construct()
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if err != nil {
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return ButtonMapping{}, err
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}
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return ButtonMapping{mc.Comment, mc.MidiChannel, mc.MidiKey, button}, nil
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case ControlMappingType:
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axis, err := mc.Axis.Construct()
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if err != nil {
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return ControlMapping{}, err
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}
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return ControlMapping{mc.Comment, mc.MidiChannel, mc.MidiController, axis, mc.IsSigned}, nil
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default:
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return ButtonMapping{}, fmt.Errorf("Invalid mapping type")
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}
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}
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func (bn ButtonName) Construct() (int, error) {
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switch bn {
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case ButtonNorth:
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return uinput.ButtonNorth, nil
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case ButtonEast:
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return uinput.ButtonEast, nil
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case ButtonSouth:
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return uinput.ButtonSouth, nil
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case ButtonWest:
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return uinput.ButtonWest, nil
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default:
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return -1, fmt.Errorf("Invalid button name \"%s\"", bn)
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}
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}
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func (an AxisName) Construct() (ControllerAxis, error) {
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switch an {
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case AxisLeftX:
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return LeftX, nil
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case AxisLeftY:
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return LeftY, nil
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case AxisRightX:
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return RightX, nil
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case AxisRightY:
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return RightY, nil
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default:
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return -1, fmt.Errorf("Invalid axis name \"%s\"", an)
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}
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}
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@@ -39,9 +39,11 @@ controller:
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midiController: 1
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axis: left-x
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isSigned: true
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deadzone: 0.01
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- comment: Filter right
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type: control
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midiChannel: 2
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midiController: 1
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axis: right-x
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isSigned: true
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deadzone: 0.01
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207
config/config.go
Normal file
207
config/config.go
Normal file
@@ -0,0 +1,207 @@
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package config
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import (
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"fmt"
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"os"
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"git.datalore.sh/datalore/midi-hid/translation"
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"github.com/goccy/go-yaml"
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"github.com/bendahl/uinput"
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"github.com/charmbracelet/log"
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)
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// Config is the root type of a config, consisting of an arbitrary number of controller configs.
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type Config struct {
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Controller []ControllerConfig `yaml:"controller"`
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}
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// A ControllerConfig represents the data needed to later construct a Controller object.
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type ControllerConfig struct {
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PortName string `yaml:"portName"`
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VendorID uint16 `yaml:"vendorID"`
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ProductID uint16 `yaml:"productID"`
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Mappings []MappingConfig `yaml:"mappings"`
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}
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// A MappingConfig consists of all data possibly needed to construct a mapping, both button and control.
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type MappingConfig struct {
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Comment string `yaml:"comment"`
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Type MappingType `yaml:"type"`
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MidiChannel uint8 `yaml:"midiChannel"`
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MidiKey uint8 `yaml:"midiKey"`
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MidiController uint8 `yaml:"midiController"`
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Button ButtonName `yaml:"button"`
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Axis AxisName `yaml:"axis"`
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IsSigned bool `yaml:"isSigned"`
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Deadzone float64 `yaml:"deadzone"`
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}
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type MappingType string
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type ButtonName string
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type AxisName string
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const (
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ButtonMappingType MappingType = "button"
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ControlMappingType MappingType = "control"
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ButtonNorth ButtonName = "north"
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ButtonEast ButtonName = "east"
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ButtonSouth ButtonName = "south"
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ButtonWest ButtonName = "west"
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ButtonL1 ButtonName = "l1"
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ButtonL2 ButtonName = "l2"
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ButtonL3 ButtonName = "l3"
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ButtonR1 ButtonName = "r1"
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ButtonR2 ButtonName = "r2"
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ButtonR3 ButtonName = "r3"
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ButtonSelect ButtonName = "select"
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ButtonStart ButtonName = "start"
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ButtonDpadUp ButtonName = "dpad-up"
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ButtonDpadDown ButtonName = "dpad-down"
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ButtonDpadLeft ButtonName = "dpad-left"
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ButtonDpadRight ButtonName = "dpad-right"
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AxisLeftX AxisName = "left-x"
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AxisLeftY AxisName = "left-y"
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AxisRightX AxisName = "right-x"
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AxisRightY AxisName = "right-y"
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)
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// ParseConfig takes the path to a config file and returns the parsed Config object,
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// or an error if thrown.
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func ParseConfig(path string) (Config, error) {
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var config Config
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buffer, err := os.ReadFile(os.ExpandEnv(path))
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if err != nil {
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return config, err
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}
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err = yaml.Unmarshal(buffer, &config)
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if err != nil {
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return config, err
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}
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return config, nil
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}
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// Construct iterates over all ControllerConfigs and constructs the Controller objects.
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// In case of a failure, it aborts and returns an error.
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func (config Config) Construct() (translation.ControllerList, error) {
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var controllerList translation.ControllerList
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for _, controllerConfig := range config.Controller {
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actualController, err := controllerConfig.Construct()
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if err != nil {
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return nil, err
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}
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controllerList = append(controllerList, actualController)
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}
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return controllerList, nil
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}
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// Construct builds a Controller object and its corresponding mappings.
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// Aborts and returns an error if the midi port was not found or one of
|
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// the Mappings is invalid.
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func (cc ControllerConfig) Construct() (*translation.Controller, error) {
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actualController, err := translation.NewController(cc.PortName, cc.VendorID, cc.ProductID)
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if err != nil {
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return actualController, err
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}
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|
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for _, mappingConfig := range cc.Mappings {
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actualMapping, err := mappingConfig.Construct()
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if err != nil {
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return nil, err
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}
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|
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actualController.AddMapping(actualMapping)
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}
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|
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return actualController, nil
|
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}
|
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|
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// Construct builds the Mapping object. Returns an error if config is invalid.
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func (mc MappingConfig) Construct() (translation.Mapping, error) {
|
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switch mc.Type {
|
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case ButtonMappingType:
|
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button, err := mc.Button.Construct()
|
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if err != nil {
|
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return translation.ButtonMapping{}, err
|
||||
}
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|
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log.Debug("Parsed button mapping", "comment", mc.Comment, "midiChannel", mc.MidiChannel, "midiKey", mc.MidiKey, "button", button)
|
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|
||||
return translation.ButtonMapping{mc.Comment, mc.MidiChannel, mc.MidiKey, button}, nil
|
||||
case ControlMappingType:
|
||||
axis, err := mc.Axis.Construct()
|
||||
if err != nil {
|
||||
return translation.ControlMapping{}, err
|
||||
}
|
||||
|
||||
log.Debug("Parsed control mapping", "comment", mc.Comment, "midiChannel", mc.MidiChannel, "midiController", mc.MidiController, "axis", axis, "isSigned", mc.IsSigned, "deadzone", mc.Deadzone)
|
||||
|
||||
return translation.ControlMapping{mc.Comment, mc.MidiChannel, mc.MidiController, axis, mc.IsSigned, mc.Deadzone}, nil
|
||||
default:
|
||||
return translation.ButtonMapping{}, fmt.Errorf("Invalid mapping type")
|
||||
}
|
||||
}
|
||||
|
||||
// Construct converts a ButtonName to its corresponding key code, or returns an error if the
|
||||
// name is unknown.
|
||||
func (bn ButtonName) Construct() (int, error) {
|
||||
switch bn {
|
||||
case ButtonNorth:
|
||||
return uinput.ButtonNorth, nil
|
||||
case ButtonEast:
|
||||
return uinput.ButtonEast, nil
|
||||
case ButtonSouth:
|
||||
return uinput.ButtonSouth, nil
|
||||
case ButtonWest:
|
||||
return uinput.ButtonWest, nil
|
||||
case ButtonL1:
|
||||
return uinput.ButtonBumperLeft, nil
|
||||
case ButtonL2:
|
||||
return uinput.ButtonTriggerLeft, nil
|
||||
case ButtonL3:
|
||||
return uinput.ButtonThumbLeft, nil
|
||||
case ButtonR1:
|
||||
return uinput.ButtonBumperRight, nil
|
||||
case ButtonR2:
|
||||
return uinput.ButtonTriggerRight, nil
|
||||
case ButtonR3:
|
||||
return uinput.ButtonThumbRight, nil
|
||||
case ButtonSelect:
|
||||
return uinput.ButtonSelect, nil
|
||||
case ButtonStart:
|
||||
return uinput.ButtonStart, nil
|
||||
case ButtonDpadUp:
|
||||
return uinput.ButtonDpadUp, nil
|
||||
case ButtonDpadDown:
|
||||
return uinput.ButtonDpadDown, nil
|
||||
case ButtonDpadLeft:
|
||||
return uinput.ButtonDpadLeft, nil
|
||||
case ButtonDpadRight:
|
||||
return uinput.ButtonDpadRight, nil
|
||||
default:
|
||||
return -1, fmt.Errorf("Invalid button name \"%s\"", bn)
|
||||
}
|
||||
}
|
||||
|
||||
// Construct converts an AxisName into the internal representation for a ControllerAxis.
|
||||
// Returns an error if AxisName is invalid.
|
||||
func (an AxisName) Construct() (translation.ControllerAxis, error) {
|
||||
switch an {
|
||||
case AxisLeftX:
|
||||
return translation.LeftX, nil
|
||||
case AxisLeftY:
|
||||
return translation.LeftY, nil
|
||||
case AxisRightX:
|
||||
return translation.RightX, nil
|
||||
case AxisRightY:
|
||||
return translation.RightY, nil
|
||||
default:
|
||||
return -1, fmt.Errorf("Invalid axis name \"%s\"", an)
|
||||
}
|
||||
}
|
||||
19
go.mod
19
go.mod
@@ -4,6 +4,25 @@ go 1.24.5
|
||||
|
||||
require (
|
||||
github.com/bendahl/uinput v1.7.0
|
||||
github.com/charmbracelet/log v0.4.2
|
||||
github.com/goccy/go-yaml v1.18.0
|
||||
gitlab.com/gomidi/midi/v2 v2.3.16
|
||||
)
|
||||
|
||||
require (
|
||||
github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
|
||||
github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc // indirect
|
||||
github.com/charmbracelet/lipgloss v1.1.0 // indirect
|
||||
github.com/charmbracelet/x/ansi v0.8.0 // indirect
|
||||
github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd // indirect
|
||||
github.com/charmbracelet/x/term v0.2.1 // indirect
|
||||
github.com/go-logfmt/logfmt v0.6.0 // indirect
|
||||
github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
|
||||
github.com/mattn/go-isatty v0.0.20 // indirect
|
||||
github.com/mattn/go-runewidth v0.0.16 // indirect
|
||||
github.com/muesli/termenv v0.16.0 // indirect
|
||||
github.com/rivo/uniseg v0.4.7 // indirect
|
||||
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
|
||||
golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
|
||||
golang.org/x/sys v0.30.0 // indirect
|
||||
)
|
||||
|
||||
42
go.sum
42
go.sum
@@ -1,6 +1,48 @@
|
||||
github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
|
||||
github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
|
||||
github.com/bendahl/uinput v1.7.0 h1:nA4fm8Wu8UYNOPykIZm66nkWEyvxzfmJ8YC02PM40jg=
|
||||
github.com/bendahl/uinput v1.7.0/go.mod h1:Np7w3DINc9wB83p12fTAM3DPPhFnAKP0WTXRqCQJ6Z8=
|
||||
github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
|
||||
github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
|
||||
github.com/charmbracelet/lipgloss v1.1.0 h1:vYXsiLHVkK7fp74RkV7b2kq9+zDLoEU4MZoFqR/noCY=
|
||||
github.com/charmbracelet/lipgloss v1.1.0/go.mod h1:/6Q8FR2o+kj8rz4Dq0zQc3vYf7X+B0binUUBwA0aL30=
|
||||
github.com/charmbracelet/log v0.4.2 h1:hYt8Qj6a8yLnvR+h7MwsJv/XvmBJXiueUcI3cIxsyig=
|
||||
github.com/charmbracelet/log v0.4.2/go.mod h1:qifHGX/tc7eluv2R6pWIpyHDDrrb/AG71Pf2ysQu5nw=
|
||||
github.com/charmbracelet/x/ansi v0.8.0 h1:9GTq3xq9caJW8ZrBTe0LIe2fvfLR/bYXKTx2llXn7xE=
|
||||
github.com/charmbracelet/x/ansi v0.8.0/go.mod h1:wdYl/ONOLHLIVmQaxbIYEC/cRKOQyjTkowiI4blgS9Q=
|
||||
github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
|
||||
github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
|
||||
github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
|
||||
github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
|
||||
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||
github.com/go-logfmt/logfmt v0.6.0 h1:wGYYu3uicYdqXVgoYbvnkrPVXkuLM1p1ifugDMEdRi4=
|
||||
github.com/go-logfmt/logfmt v0.6.0/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
|
||||
github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
|
||||
github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
|
||||
github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
|
||||
github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
|
||||
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
|
||||
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
|
||||
github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
|
||||
github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
|
||||
github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
|
||||
github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
|
||||
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||
github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
|
||||
github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
|
||||
github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
|
||||
github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
|
||||
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
|
||||
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
|
||||
github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
|
||||
gitlab.com/gomidi/midi/v2 v2.3.16 h1:yufWSENyjnJ4LFQa9BerzUm4E4aLfTyzw5nmnCteO0c=
|
||||
gitlab.com/gomidi/midi/v2 v2.3.16/go.mod h1:jDpP4O4skYi+7iVwt6Zyp18bd2M4hkjtMuw2cmgKgfw=
|
||||
golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
|
||||
golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
|
||||
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
|
||||
golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
|
||||
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
|
||||
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||
|
||||
24
main.go
24
main.go
@@ -1,10 +1,13 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"log"
|
||||
"flag"
|
||||
"os"
|
||||
"os/signal"
|
||||
|
||||
"git.datalore.sh/datalore/midi-hid/config"
|
||||
|
||||
"github.com/charmbracelet/log"
|
||||
"gitlab.com/gomidi/midi/v2"
|
||||
)
|
||||
|
||||
@@ -19,9 +22,22 @@ func must[T any](obj T, err error) T {
|
||||
func main() {
|
||||
defer midi.CloseDriver()
|
||||
|
||||
log.Println("Starting...")
|
||||
config := must(ParseConfig("config.yaml"))
|
||||
controllerList := must(config.Construct())
|
||||
var (
|
||||
configPath string
|
||||
printDebugMsgs bool
|
||||
)
|
||||
|
||||
flag.StringVar(&configPath, "f", "$HOME/.config/midi-hid/config.yaml", "Config file")
|
||||
flag.BoolVar(&printDebugMsgs, "debug", false, "Print debug messages")
|
||||
flag.Parse()
|
||||
|
||||
if printDebugMsgs {
|
||||
log.SetLevel(log.DebugLevel)
|
||||
}
|
||||
|
||||
log.Info("Starting...")
|
||||
conf := must(config.ParseConfig(configPath))
|
||||
controllerList := must(conf.Construct())
|
||||
defer controllerList.Stop()
|
||||
|
||||
// wait for SIGINT
|
||||
|
||||
123
mapping.go
123
mapping.go
@@ -1,123 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"log"
|
||||
|
||||
"gitlab.com/gomidi/midi/v2"
|
||||
"github.com/bendahl/uinput"
|
||||
)
|
||||
|
||||
type Mapping interface {
|
||||
Is(midi.Message) bool
|
||||
TriggerIfMatch(midi.Message, uinput.Gamepad) error
|
||||
Comment() string
|
||||
}
|
||||
|
||||
type ButtonMapping struct {
|
||||
comment string
|
||||
midiChannel uint8
|
||||
midiKey uint8
|
||||
gamepadKey int
|
||||
}
|
||||
|
||||
func (m ButtonMapping) Is(msg midi.Message) bool {
|
||||
var channel, key uint8
|
||||
|
||||
switch {
|
||||
case msg.GetNoteOn(&channel, &key, nil), msg.GetNoteOff(&channel, &key, nil):
|
||||
return (m.midiChannel == channel && m.midiKey == key)
|
||||
default:
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
func (m ButtonMapping) TriggerIfMatch(msg midi.Message, virtGamepad uinput.Gamepad) error {
|
||||
if m.Is(msg) {
|
||||
var velocity uint8
|
||||
msg.GetNoteOn(nil, nil, &velocity)
|
||||
switch msg.Type() {
|
||||
case midi.NoteOnMsg:
|
||||
if velocity != 0 {
|
||||
log.Printf("%s: Button down\n", m.comment)
|
||||
return virtGamepad.ButtonDown(m.gamepadKey)
|
||||
}
|
||||
fallthrough // if reached here, velocity is 0 -> NoteOff
|
||||
case midi.NoteOffMsg:
|
||||
log.Printf("%s: Button up\n", m.comment)
|
||||
return virtGamepad.ButtonUp(m.gamepadKey)
|
||||
default:
|
||||
return fmt.Errorf("Invalid message type triggered ButtonMapping")
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (m ButtonMapping) Comment() string {
|
||||
return m.comment
|
||||
}
|
||||
|
||||
type ControllerAxis int
|
||||
|
||||
const (
|
||||
LeftX ControllerAxis = iota
|
||||
LeftY
|
||||
RightX
|
||||
RightY
|
||||
)
|
||||
|
||||
type ControlMapping struct {
|
||||
comment string
|
||||
midiChannel uint8
|
||||
midiController uint8
|
||||
axis ControllerAxis
|
||||
isSigned bool
|
||||
}
|
||||
|
||||
func (m ControlMapping) Is(msg midi.Message) bool {
|
||||
var channel, controller uint8
|
||||
|
||||
if msg.GetControlChange(&channel, &controller, nil) {
|
||||
return (m.midiChannel == channel && m.midiController == controller)
|
||||
} else {
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
func (m ControlMapping) TriggerIfMatch(msg midi.Message, virtGamepad uinput.Gamepad) error {
|
||||
if m.Is(msg) {
|
||||
var (
|
||||
valueAbsolute uint8
|
||||
valueNormalised float32
|
||||
)
|
||||
|
||||
msg.GetControlChange(nil, nil, &valueAbsolute)
|
||||
|
||||
// value is 0-127, normalise
|
||||
valueNormalised = float32(valueAbsolute) / 127
|
||||
if m.isSigned {
|
||||
valueNormalised *= 2
|
||||
valueNormalised -= 1
|
||||
}
|
||||
|
||||
log.Printf("%s: value %v\n", m.comment, valueNormalised)
|
||||
|
||||
switch m.axis {
|
||||
case LeftX:
|
||||
return virtGamepad.LeftStickMoveX(valueNormalised)
|
||||
case LeftY:
|
||||
return virtGamepad.LeftStickMoveY(valueNormalised)
|
||||
case RightX:
|
||||
return virtGamepad.RightStickMoveX(valueNormalised)
|
||||
case RightY:
|
||||
return virtGamepad.RightStickMoveY(valueNormalised)
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (m ControlMapping) Comment() string {
|
||||
return m.comment
|
||||
}
|
||||
@@ -1,20 +1,23 @@
|
||||
package main
|
||||
package translation
|
||||
|
||||
import (
|
||||
"log"
|
||||
|
||||
"github.com/charmbracelet/log"
|
||||
"gitlab.com/gomidi/midi/v2"
|
||||
"github.com/bendahl/uinput"
|
||||
)
|
||||
|
||||
// A ControllerList is a list of controllers. Duh.
|
||||
type ControllerList []*Controller
|
||||
|
||||
// Stop iterates over all Controller objects and Stops their update loops and MIDI connections.
|
||||
// Always call this for a clean shutdown. Meant to be deferred.
|
||||
func (cl ControllerList) Stop() {
|
||||
for _, controller := range cl {
|
||||
controller.Stop()
|
||||
}
|
||||
}
|
||||
|
||||
// A Controller object manages the translation from MIDI to uinput.
|
||||
type Controller struct {
|
||||
midiInput *MidiInput
|
||||
mappings []Mapping
|
||||
@@ -22,7 +25,14 @@ type Controller struct {
|
||||
virtGamepad uinput.Gamepad
|
||||
}
|
||||
|
||||
// NewController builds a new Controller object reading from the MIDI port specified by portName,
|
||||
// and registers a virtual uinput-Gamepad using vendorID and productID.
|
||||
func NewController(portName string, vendorID, productID uint16) (*Controller, error) {
|
||||
if vendorID == 0 && productID == 0 {
|
||||
// if no IDs were defined, imitate XBox 360 controller
|
||||
vendorID = 0x45e
|
||||
productID = 0x285
|
||||
}
|
||||
midiInput, err := NewMidiInput(portName)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
@@ -51,10 +61,12 @@ func NewController(portName string, vendorID, productID uint16) (*Controller, er
|
||||
return controller, nil
|
||||
}
|
||||
|
||||
// AddMapping adds a mapping to the Controller.
|
||||
func (c *Controller) AddMapping(mapping Mapping) {
|
||||
c.mappings = append(c.mappings, mapping)
|
||||
}
|
||||
|
||||
// Stop quits the update loop and terminates all corresponding connections.
|
||||
func (c Controller) Stop() {
|
||||
c.midiInput.Stop()
|
||||
c.abortChan <- struct{}{}
|
||||
@@ -65,7 +77,7 @@ func (c Controller) update(msg midi.Message) {
|
||||
for _, mapping := range c.mappings {
|
||||
err := mapping.TriggerIfMatch(msg, c.virtGamepad)
|
||||
if err != nil {
|
||||
log.Printf("Error in Mapping \"%s\": %v\n", mapping.Comment(), err)
|
||||
log.Errorf("Error in Mapping \"%s\": %v", mapping.Comment(), err)
|
||||
}
|
||||
}
|
||||
}
|
||||
139
translation/mapping.go
Normal file
139
translation/mapping.go
Normal file
@@ -0,0 +1,139 @@
|
||||
package translation
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"math"
|
||||
|
||||
"github.com/charmbracelet/log"
|
||||
"gitlab.com/gomidi/midi/v2"
|
||||
"github.com/bendahl/uinput"
|
||||
)
|
||||
|
||||
// A Mapping is an interface for all types of Mappings.
|
||||
type Mapping interface {
|
||||
Is(midi.Message) bool
|
||||
TriggerIfMatch(midi.Message, uinput.Gamepad) error
|
||||
Comment() string
|
||||
}
|
||||
|
||||
// A ButtonMapping maps a MIDI Note to a gamepad button.
|
||||
type ButtonMapping struct {
|
||||
CommentStr string
|
||||
MidiChannel uint8
|
||||
MidiKey uint8
|
||||
GamepadKey int
|
||||
}
|
||||
|
||||
// Is checks if the MIDI message msg triggers this Mapping, without actually triggering it.
|
||||
func (m ButtonMapping) Is(msg midi.Message) bool {
|
||||
var channel, key uint8
|
||||
|
||||
switch {
|
||||
case msg.GetNoteOn(&channel, &key, nil), msg.GetNoteOff(&channel, &key, nil):
|
||||
return (m.MidiChannel == channel && m.MidiKey == key)
|
||||
default:
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
// TriggerIfMatch checks if the MIDI message msg triggers this Mapping, and if so,
|
||||
// sends the corresponding input to virtGamepad.
|
||||
func (m ButtonMapping) TriggerIfMatch(msg midi.Message, virtGamepad uinput.Gamepad) error {
|
||||
if m.Is(msg) {
|
||||
var velocity uint8
|
||||
msg.GetNoteOn(nil, nil, &velocity)
|
||||
switch msg.Type() {
|
||||
case midi.NoteOnMsg:
|
||||
if velocity != 0 {
|
||||
log.Debug(m.CommentStr, "status", "down")
|
||||
return virtGamepad.ButtonDown(m.GamepadKey)
|
||||
}
|
||||
fallthrough // if reached here, velocity is 0 -> NoteOff
|
||||
case midi.NoteOffMsg:
|
||||
log.Debug(m.CommentStr, "status", "up")
|
||||
return virtGamepad.ButtonUp(m.GamepadKey)
|
||||
default:
|
||||
return fmt.Errorf("Invalid message type triggered ButtonMapping")
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// Comment returns the Mappings comment.
|
||||
func (m ButtonMapping) Comment() string {
|
||||
return m.CommentStr
|
||||
}
|
||||
|
||||
type ControllerAxis int
|
||||
|
||||
const (
|
||||
LeftX ControllerAxis = iota
|
||||
LeftY
|
||||
RightX
|
||||
RightY
|
||||
)
|
||||
|
||||
type ControlMapping struct {
|
||||
CommentStr string
|
||||
MidiChannel uint8
|
||||
MidiController uint8
|
||||
Axis ControllerAxis
|
||||
IsSigned bool
|
||||
Deadzone float64
|
||||
}
|
||||
|
||||
// Is checks if the MIDI message msg triggers this Mapping, without actually triggering it.
|
||||
func (m ControlMapping) Is(msg midi.Message) bool {
|
||||
var channel, controller uint8
|
||||
|
||||
if msg.GetControlChange(&channel, &controller, nil) {
|
||||
return (m.MidiChannel == channel && m.MidiController == controller)
|
||||
} else {
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
// TriggerIfMatch checks if the MIDI message msg triggers this Mapping, and if so,
|
||||
// sends the corresponding input to virtGamepad.
|
||||
func (m ControlMapping) TriggerIfMatch(msg midi.Message, virtGamepad uinput.Gamepad) error {
|
||||
if m.Is(msg) {
|
||||
var (
|
||||
valueAbsolute uint8
|
||||
valueNormalised float64
|
||||
)
|
||||
|
||||
msg.GetControlChange(nil, nil, &valueAbsolute)
|
||||
|
||||
// value is 0-127, normalise
|
||||
valueNormalised = float64(valueAbsolute) / 127
|
||||
if m.IsSigned {
|
||||
valueNormalised *= 2
|
||||
valueNormalised -= 1
|
||||
}
|
||||
|
||||
if math.Abs(valueNormalised) < m.Deadzone {
|
||||
valueNormalised = 0
|
||||
}
|
||||
|
||||
log.Debug(m.CommentStr, "value", valueNormalised, "deadzone", m.Deadzone)
|
||||
|
||||
switch m.Axis {
|
||||
case LeftX:
|
||||
return virtGamepad.LeftStickMoveX(float32(valueNormalised))
|
||||
case LeftY:
|
||||
return virtGamepad.LeftStickMoveY(float32(valueNormalised))
|
||||
case RightX:
|
||||
return virtGamepad.RightStickMoveX(float32(valueNormalised))
|
||||
case RightY:
|
||||
return virtGamepad.RightStickMoveY(float32(valueNormalised))
|
||||
}
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// Comment returns the Mappings comment.
|
||||
func (m ControlMapping) Comment() string {
|
||||
return m.CommentStr
|
||||
}
|
||||
@@ -1,4 +1,4 @@
|
||||
package main
|
||||
package translation
|
||||
|
||||
import (
|
||||
"gitlab.com/gomidi/midi/v2"
|
||||
@@ -6,12 +6,16 @@ import (
|
||||
_ "gitlab.com/gomidi/midi/v2/drivers/rtmididrv"
|
||||
)
|
||||
|
||||
// A MidiInput represents a MIDI input and provides a channel to read incoming
|
||||
// Messages, as well as a Stop function to terminate the connection.
|
||||
type MidiInput struct {
|
||||
input drivers.In
|
||||
Messages chan midi.Message
|
||||
Stop func()
|
||||
}
|
||||
|
||||
// NewMidiInput initialises a MidiInput object connected to the MIDI port specified
|
||||
// by portName. Retuns an error if the connection fails.
|
||||
func NewMidiInput(portName string) (*MidiInput, error) {
|
||||
input, err := midi.FindInPort(portName)
|
||||
if err != nil {
|
||||
Reference in New Issue
Block a user