robocars/robocar-steering
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This commit is contained in:
Cyrille Nofficial
2022-08-28 12:06:43 +02:00
parent efbcac602a
commit 86aef79e66
5 changed files with 314 additions and 79 deletions
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37
cmd/rc-steering/rc-steering.go
View File

@@ -16,6 +16,10 @@ const (
func main() {
var mqttBroker, username, password, clientId string
var steeringTopic, driveModeTopic, rcSteeringTopic, tfSteeringTopic, objectsTopic string
var imgWidth, imgHeight int
var enableObjectsCorrection, enableObjectsCorrectionOnUserMode bool
var gridMapConfig, objectsMoveFactorsConfig string
var deltaMiddle float64
mqttQos := cli.InitIntFlag("MQTT_QOS", 0)
_, mqttRetain := os.LookupEnv("MQTT_RETAIN")
@@ -27,7 +31,13 @@ func main() {
flag.StringVar(&tfSteeringTopic, "mqtt-topic-tf-steering", os.Getenv("MQTT_TOPIC_TF_STEERING"), "Mqtt topic that contains tenorflow steering value, use MQTT_TOPIC_TF_STEERING if args not set")
flag.StringVar(&driveModeTopic, "mqtt-topic-drive-mode", os.Getenv("MQTT_TOPIC_DRIVE_MODE"), "Mqtt topic that contains DriveMode value, use MQTT_TOPIC_DRIVE_MODE if args not set")
flag.StringVar(&objectsTopic, "mqtt-topic-objects", os.Getenv("MQTT_TOPIC_OBJECTS"), "Mqtt topic that contains Objects from object detection value, use MQTT_TOPIC_OBJECTS if args not set")
flag.IntVar(&imgWidth, "image-width", 160, "Video pixels width")
flag.IntVar(&imgHeight, "image-height", 128, "Video pixels height")
flag.BoolVar(&enableObjectsCorrection, "enable-objects-correction", false, "Adjust steering to avoid objects")
flag.BoolVar(&enableObjectsCorrectionOnUserMode, "enable-objects-correction-user", false, "Adjust steering to avoid objects on user mode driving")
flag.StringVar(&gridMapConfig, "grid-map-config", "", "Json file path to configure grid object correction")
flag.StringVar(&objectsMoveFactorsConfig, "objects-move-factors-config", "", "Json file path to configure objects move corrections")
flag.Float64Var(&deltaMiddle, "delta-middle", 0.1, "Half Percent zone to interpret as straight")
logLevel := zap.LevelFlag("log", zap.InfoLevel, "log level")
flag.Parse()
@@ -50,13 +60,36 @@ func main() {
}()
zap.ReplaceGlobals(lgr)
zap.S().Infof("steering topic : %s", steeringTopic)
zap.S().Infof("rc topic : %s", rcSteeringTopic)
zap.S().Infof("tflite steering topic : %s", tfSteeringTopic)
zap.S().Infof("drive mode topic : %s", driveModeTopic)
zap.S().Infof("objects topic : %s", objectsTopic)
zap.S().Infof("objects correction enabled : %v", enableObjectsCorrection)
zap.S().Infof("objects correction on user mode : %v", enableObjectsCorrectionOnUserMode)
zap.S().Infof("grid map file config : %v", gridMapConfig)
zap.S().Infof("objects move factors grid config: %v", objectsMoveFactorsConfig)
zap.S().Infof("image width x height : %v x %v", imgWidth, imgHeight)
client, err := cli.Connect(mqttBroker, username, password, clientId)
if err != nil {
log.Fatalf("unable to connect to mqtt bus: %v", err)
}
defer client.Disconnect(50)
p := steering.NewController(client, steeringTopic, driveModeTopic, rcSteeringTopic, tfSteeringTopic, objectsTopic)
p := steering.NewController(
client,
steeringTopic, driveModeTopic, rcSteeringTopic, tfSteeringTopic, objectsTopic,
steering.WithCorrector(
steering.NewCorrector(
steering.WidthDeltaMiddle(deltaMiddle),
steering.WithGridMap(gridMapConfig),
steering.WithObjectMoveFactors(objectsMoveFactorsConfig),
steering.WithImageSize(imgWidth, imgHeight),
),
),
steering.WithObjectsCorrectionEnabled(enableObjectsCorrection, enableObjectsCorrectionOnUserMode),
)
defer p.Stop()
cli.HandleExit(p)

180
pkg/steering/controller.go
View File

@@ -1,6 +1,7 @@
package steering
import (
"fmt"
"github.com/cyrilix/robocar-base/service"
"github.com/cyrilix/robocar-protobuf/go/events"
mqtt "github.com/eclipse/paho.mqtt.golang"
@@ -9,8 +10,48 @@ import (
"sync"
)
func NewController(client mqtt.Client, steeringTopic, driveModeTopic, rcSteeringTopic, tfSteeringTopic, objectsTopic string) *Controller {
return &Controller{
var (
defaultGridMap = GridMap{
DistanceSteps: []float64{0., 0.2, 0.4, 0.6, 0.8, 1.},
SteeringSteps: []float64{-1., -0.66, -0.33, 0., 0.33, 0.66, 1.},
Data: [][]float64{
{0., 0., 0., 0., 0., 0.},
{0., 0., 0., 0., 0., 0.},
{0., 0., 0.25, -0.25, 0., 0.},
{0., 0.25, 0.5, -0.5, -0.25, 0.},
{0.25, 0.5, 1, -1, -0.5, -0.25},
},
}
defaultObjectFactors = GridMap{
DistanceSteps: []float64{0., 0.2, 0.4, 0.6, 0.8, 1.},
SteeringSteps: []float64{-1., -0.66, -0.33, 0., 0.33, 0.66, 1.},
Data: [][]float64{
{0., 0., 0., 0., 0., 0.},
{0., 0., 0., 0., 0., 0.},
{0., 0., 0., 0., 0., 0.},
{0., 0.25, 0, 0, -0.25, 0.},
{0.5, 0.25, 0, 0, -0.5, -0.25},
},
}
)
type Option func(c *Controller)
func WithCorrector(c *Corrector) Option {
return func(ctrl *Controller) {
ctrl.corrector = c
}
}
func WithObjectsCorrectionEnabled(enabled, enabledOnUserDrive bool) Option {
return func(ctrl *Controller) {
ctrl.enableCorrection = enabled
ctrl.enableCorrectionOnUser = enabledOnUserDrive
}
}
func NewController(client mqtt.Client, steeringTopic, driveModeTopic, rcSteeringTopic, tfSteeringTopic, objectsTopic string, options ...Option) *Controller {
c := &Controller{
client: client,
steeringTopic: steeringTopic,
driveModeTopic: driveModeTopic,
@@ -18,8 +59,12 @@ func NewController(client mqtt.Client, steeringTopic, driveModeTopic, rcSteering
tfSteeringTopic: tfSteeringTopic,
objectsTopic: objectsTopic,
driveMode: events.DriveMode_USER,
corrector: NewCorrector(),
}
for _, o := range options {
o(c)
}
return c
}
type Controller struct {
@@ -35,26 +80,28 @@ type Controller struct {
muObjects sync.RWMutex
objects []*events.Object
debug bool
corrector *Corrector
enableCorrection bool
enableCorrectionOnUser bool
}
func (p *Controller) Start() error {
if err := registerCallbacks(p); err != nil {
zap.S().Errorf("unable to rgeister callbacks: %v", err)
func (c *Controller) Start() error {
if err := registerCallbacks(c); err != nil {
zap.S().Errorf("unable to register callbacks: %v", err)
return err
}
p.cancel = make(chan interface{})
<-p.cancel
c.cancel = make(chan interface{})
<-c.cancel
return nil
}
func (p *Controller) Stop() {
close(p.cancel)
service.StopService("throttle", p.client, p.driveModeTopic, p.rcSteeringTopic, p.tfSteeringTopic)
func (c *Controller) Stop() {
close(c.cancel)
service.StopService("throttle", c.client, c.driveModeTopic, c.rcSteeringTopic, c.tfSteeringTopic)
}
func (p *Controller) onObjects(_ mqtt.Client, message mqtt.Message) {
func (c *Controller) onObjects(_ mqtt.Client, message mqtt.Message) {
var msg events.ObjectsMessage
err := proto.Unmarshal(message.Payload(), &msg)
if err != nil {
@@ -62,12 +109,12 @@ func (p *Controller) onObjects(_ mqtt.Client, message mqtt.Message) {
return
}
p.muObjects.Lock()
defer p.muObjects.Unlock()
p.objects = msg.GetObjects()
c.muObjects.Lock()
defer c.muObjects.Unlock()
c.objects = msg.GetObjects()
}
func (p *Controller) onDriveMode(_ mqtt.Client, message mqtt.Message) {
func (c *Controller) onDriveMode(_ mqtt.Client, message mqtt.Message) {
var msg events.DriveModeMessage
err := proto.Unmarshal(message.Payload(), &msg)
if err != nil {
@@ -75,46 +122,85 @@ func (p *Controller) onDriveMode(_ mqtt.Client, message mqtt.Message) {
return
}
p.muDriveMode.Lock()
defer p.muDriveMode.Unlock()
p.driveMode = msg.GetDriveMode()
c.muDriveMode.Lock()
defer c.muDriveMode.Unlock()
c.driveMode = msg.GetDriveMode()
}
func (p *Controller) onRCSteering(_ mqtt.Client, message mqtt.Message) {
p.muDriveMode.RLock()
defer p.muDriveMode.RUnlock()
if p.debug {
var evt events.SteeringMessage
err := proto.Unmarshal(message.Payload(), &evt)
func (c *Controller) onRCSteering(_ mqtt.Client, message mqtt.Message) {
c.muDriveMode.RLock()
defer c.muDriveMode.RUnlock()
if c.driveMode != events.DriveMode_USER {
return
}
payload := message.Payload()
evt := &events.SteeringMessage{}
err := proto.Unmarshal(payload, evt)
if err != nil {
zap.S().Debugf("unable to unmarshal rc event: %v", err)
} else {
zap.S().Debugf("receive steering message from radio command: %0.00f", evt.GetSteering())
}
if c.enableCorrection && c.enableCorrectionOnUser {
payload, err = c.adjustSteering(evt)
if err != nil {
zap.S().Debugf("unable to unmarshal rc event: %v", err)
} else {
zap.S().Debugf("receive steering message from radio command: %0.00f", evt.GetSteering())
zap.S().Errorf("unable to adjust steering, skip message: %v", err)
return
}
}
if p.driveMode == events.DriveMode_USER {
// Republish same content
payload := message.Payload()
publish(p.client, p.steeringTopic, &payload)
}
publish(c.client, c.steeringTopic, &payload)
}
func (p *Controller) onTFSteering(_ mqtt.Client, message mqtt.Message) {
p.muDriveMode.RLock()
defer p.muDriveMode.RUnlock()
if p.debug {
var evt events.SteeringMessage
err := proto.Unmarshal(message.Payload(), &evt)
func (c *Controller) onTFSteering(_ mqtt.Client, message mqtt.Message) {
c.muDriveMode.RLock()
defer c.muDriveMode.RUnlock()
if c.driveMode != events.DriveMode_PILOT {
// User mode, skip new message
return
}
evt := &events.SteeringMessage{}
err := proto.Unmarshal(message.Payload(), evt)
if err != nil {
zap.S().Errorf("unable to unmarshal tensorflow event: %v", err)
return
} else {
zap.S().Debugf("receive steering message from tensorflow: %0.00f", evt.GetSteering())
}
payload := message.Payload()
if c.enableCorrection {
payload, err = c.adjustSteering(evt)
if err != nil {
zap.S().Debugf("unable to unmarshal tensorflow event: %v", err)
} else {
zap.S().Debugf("receive steering message from tensorflow: %0.00f", evt.GetSteering())
zap.S().Errorf("unable to adjust steering, skip message: %v", err)
return
}
}
if p.driveMode == events.DriveMode_PILOT {
// Republish same content
payload := message.Payload()
publish(p.client, p.steeringTopic, &payload)
publish(c.client, c.steeringTopic, &payload)
}
func (c *Controller) adjustSteering(evt *events.SteeringMessage) ([]byte, error) {
steering := float64(evt.GetSteering())
steering = c.corrector.AdjustFromObjectPosition(steering, c.Objects())
evt.Steering = float32(steering)
// override payload content
payload, err := proto.Marshal(evt)
if err != nil {
return nil, fmt.Errorf("unable to marshal steering message with new value, skip message: %v", err)
}
return payload, nil
}
func (c *Controller) Objects() []*events.Object {
c.muObjects.RLock()
defer c.muObjects.RUnlock()
res := make([]*events.Object, 0, len(c.objects))
copy(res, c.objects)
return res
}
var registerCallbacks = func(p *Controller) error {

74
pkg/steering/corrector.go
View File

@@ -8,14 +8,80 @@ import (
"os"
)
func NewCorrector(gridMap *GridMap, objectMoveFactors *GridMap) *Corrector {
return &Corrector{
gridMap: gridMap,
objectMoveFactors: objectMoveFactors,
type OptionCorrector func(c *Corrector)
func WithGridMap(configPath string) OptionCorrector {
var gm *GridMap
if configPath == "" {
zap.S().Warnf("no configuration defined for grid map, use default")
gm = &defaultGridMap
} else {
var err error
gm, err = loadConfig(configPath)
if err != nil {
zap.S().Panicf("unable to load grid-map config from file '%v': %w", configPath, err)
}
}
return func(c *Corrector) {
c.gridMap = gm
}
}
func WithObjectMoveFactors(configPath string) OptionCorrector {
var omf *GridMap
if configPath == "" {
zap.S().Warnf("no configuration defined for objects move factors, use default")
omf = &defaultObjectFactors
} else {
var err error
omf, err = loadConfig(configPath)
if err != nil {
zap.S().Panicf("unable to load objects move factors config from file '%v': %w", configPath, err)
}
}
return func(c *Corrector) {
c.objectMoveFactors = omf
}
}
func loadConfig(configPath string) (*GridMap, error) {
content, err := os.ReadFile(configPath)
if err != nil {
return nil, fmt.Errorf("unable to load grid-map config from file '%v': %w", configPath, err)
}
var gm GridMap
err = json.Unmarshal(content, &gm)
if err != nil {
return nil, fmt.Errorf("unable to unmarshal json config '%s': %w", configPath, err)
}
return &gm, nil
}
func WithImageSize(width, height int) OptionCorrector {
return func(c *Corrector) {
c.imgWidth = width
c.imgHeight = height
}
}
func WidthDeltaMiddle(d float64) OptionCorrector {
return func(c *Corrector) {
c.deltaMiddle = d
}
}
func NewCorrector(options ...OptionCorrector) *Corrector {
c := &Corrector{
gridMap: &defaultGridMap,
objectMoveFactors: &defaultObjectFactors,
deltaMiddle: 0.1,
imgWidth: 160,
imgHeight: 120,
}
for _, o := range options {
o(c)
}
return c
}
type Corrector struct {

91
pkg/steering/corrector_test.go
View File

@@ -57,31 +57,6 @@ var (
}
)
var (
defaultGridMap = GridMap{
DistanceSteps: []float64{0., 0.2, 0.4, 0.6, 0.8, 1.},
SteeringSteps: []float64{-1., -0.66, -0.33, 0., 0.33, 0.66, 1.},
Data: [][]float64{
{0., 0., 0., 0., 0., 0.},
{0., 0., 0., 0., 0., 0.},
{0., 0., 0.25, -0.25, 0., 0.},
{0., 0.25, 0.5, -0.5, -0.25, 0.},
{0.25, 0.5, 1, -1, -0.5, -0.25},
},
}
defaultObjectFactors = GridMap{
DistanceSteps: []float64{0., 0.2, 0.4, 0.6, 0.8, 1.},
SteeringSteps: []float64{-1., -0.66, -0.33, 0., 0.33, 0.66, 1.},
Data: [][]float64{
{0., 0., 0., 0., 0., 0.},
{0., 0., 0., 0., 0., 0.},
{0., 0., 0., 0., 0., 0.},
{0., 0.25, 0, 0, -0.25, 0.},
{0.5, 0.25, 0, 0, -0.5, -0.25},
},
}
)
func TestCorrector_AdjustFromObjectPosition(t *testing.T) {
type args struct {
currentSteering float64
@@ -184,7 +159,7 @@ func TestCorrector_AdjustFromObjectPosition(t *testing.T) {
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
c := NewCorrector(&defaultGridMap, &defaultObjectFactors)
c := NewCorrector()
if got := c.AdjustFromObjectPosition(tt.args.currentSteering, tt.args.objects); got != tt.want {
t.Errorf("AdjustFromObjectPosition() = %v, want %v", got, tt.want)
}
@@ -438,3 +413,67 @@ func TestGridMap_ValueOf(t *testing.T) {
})
}
}
func TestWithGridMap(t *testing.T) {
type args struct {
config string
}
tests := []struct {
name string
args args
want GridMap
}{
{
name: "default value",
args: args{config: ""},
want: defaultGridMap,
},
{
name: "load config",
args: args{config: "test_data/config.json"},
want: defaultGridMap,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
c := Corrector{}
got := WithGridMap(tt.args.config)
got(&c)
if !reflect.DeepEqual(*c.gridMap, tt.want) {
t.Errorf("WithGridMap() = %v, want %v", *c.gridMap, tt.want)
}
})
}
}
func TestWithObjectMoveFactors(t *testing.T) {
type args struct {
config string
}
tests := []struct {
name string
args args
want GridMap
}{
{
name: "default value",
args: args{config: ""},
want: defaultObjectFactors,
},
{
name: "load config",
args: args{config: "test_data/omf-config.json"},
want: defaultObjectFactors,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
c := Corrector{}
got := WithObjectMoveFactors(tt.args.config)
got(&c)
if !reflect.DeepEqual(*c.objectMoveFactors, tt.want) {
t.Errorf("WithObjectMoveFactors() = %v, want %v", *c.objectMoveFactors, tt.want)
}
})
}
}

11
pkg/steering/test_data/omf-config.json Normal file
View File

@@ -0,0 +1,11 @@
{
"steering_steps":[-1, -0.66, -0.33, 0, 0.33, 0.66, 1],
"distance_steps": [0, 0.2, 0.4, 0.6, 0.8, 1],
"data": [
[0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0],
[0, 0.25, 0, 0, -0.25, 0],
[0.5, 0.25, 0, 0, -0.5, -0.25]
]
}