master
Zhengyu Peng 3 years ago
parent 42b4798a00
commit 601e4fbad1

@ -10,7 +10,6 @@ import androidx.appcompat.app.AppCompatActivity
import com.rookiedev.hexapod.network.TCPClient
import com.rookiedev.hexapod.network.TCPClient.OnConnectEstablished
import com.rookiedev.hexapod.network.TCPClient.OnMessageReceived
import java.util.concurrent.locks.ReentrantLock
import kotlin.math.PI
import kotlin.math.atan2
import kotlin.math.pow
@ -75,6 +74,8 @@ class ControlActivity : AppCompatActivity() {
private val scope = CoroutineScope(Job() + Dispatchers.IO)
private var currentState: String = "standby"
// private val lock = ReentrantLock()
// private val waitLock = lock.newCondition()
@ -125,86 +126,66 @@ class ControlActivity : AppCompatActivity() {
val length = sqrt(coorX.pow(2) + coorY.pow(2))
if (length < radius / 3) {
println("Standby")
sendMessageAsync("Standby")
if (currentState != "standby") {
println("Standby")
sendMessageAsync("standby")
currentState = "standby"
}
} else if (length >= radius / 3 && length < 2 * radius / 3) {
var angle = atan2(coorY, coorX)
if (angle > -PI / 4 && angle <= PI / 4) {
println("Move right")
runBlocking { // this: CoroutineScope
launch { // launch a new coroutine and continue
tcpClient?.sendMessage("Move right")
}
if (currentState != "shiftright") {
println("Move right")
sendMessageAsync("shiftright")
currentState = "shiftright"
}
} else if (angle > PI / 4 && angle <= 3 * PI / 4) {
println("Move back")
runBlocking { // this: CoroutineScope
launch { // launch a new coroutine and continue
tcpClient?.sendMessage("Move back")
}
if (currentState != "backward") {
println("Move back")
sendMessageAsync("backward")
currentState = "backward"
}
} else if (angle > -3 * PI / 4 && angle < -PI / 4) {
println("Move forward")
runBlocking { // this: CoroutineScope
launch { // launch a new coroutine and continue
tcpClient?.sendMessage("Move forward")
}
if (currentState != "forward") {
println("Move forward")
sendMessageAsync("forward")
currentState = "forward"
}
} else {
println("Move left")
runBlocking { // this: CoroutineScope
launch { // launch a new coroutine and continue
tcpClient?.sendMessage("Move left")
}
if (currentState != "shiftleft") {
println("Move left")
sendMessageAsync("shiftleft")
currentState = "shiftleft"
}
}
} else if (length >= 2 * radius / 3 && length < radius) {
var angle = atan2(coorY, coorX)
if (angle > -PI / 4 && angle <= PI / 4) {
println("Turn right")
runBlocking { // this: CoroutineScope
launch { // launch a new coroutine and continue
tcpClient?.sendMessage("Turn right")
}
if (currentState != "rightturn") {
println("Turn right")
sendMessageAsync("rightturn")
currentState = "rightturn"
}
} else if (angle > PI / 4 && angle <= 3 * PI / 4) {
println("Fast back")
runBlocking { // this: CoroutineScope
launch { // launch a new coroutine and continue
tcpClient?.sendMessage("Fast back")
}
if (currentState != "fastback") {
println("Fast back")
// sendMessageAsync("Fast back")
currentState = "fastback"
}
} else if (angle > -3 * PI / 4 && angle < -PI / 4) {
println("Fast forward")
runBlocking { // this: CoroutineScope
launch { // launch a new coroutine and continue
tcpClient?.sendMessage("Fast forward")
}
if (currentState != "fastforward") {
println("Fast forward")
sendMessageAsync("fastforward")
currentState = "fastforward"
}
} else {
println("Turn left")
runBlocking { // this: CoroutineScope
launch { // launch a new coroutine and continue
tcpClient?.sendMessage("Turn left")
}
if (currentState != "leftturn") {
println("Turn left")
sendMessageAsync("leftturn")
currentState = "leftturn"
}
}
}
// val width = view.width
// val height = view.height
// println(width.toString().plus(":").plus(height.toString()))
// println(touchX.toString().plus(":").plus(touchY.toString()))
// println(coorX.toString().plus(":").plus(coorY.toString()))
// println(radius)
return true
}
}
@ -242,25 +223,15 @@ class ControlActivity : AppCompatActivity() {
}
}
fun sendMessageAsync(message: String) {
// Starts a new coroutine within the scope
scope.launch {
// New coroutine that can call suspend functions
// suspend fun sendMessage(message: String) = // Dispatchers.Main
withContext(Dispatchers.IO) { // Dispatchers.IO (main-safety block)
tcpClient?.sendMessage(message)
/* perform network IO here */ // Dispatchers.IO (main-safety block)
}
withContext(Dispatchers.IO) { // Dispatchers.IO (main-safety block)
tcpClient?.sendMessage(message)
}
}
}
// suspend fun sendMessage(message: String) = // Dispatchers.Main
// withContext(Dispatchers.IO) { // Dispatchers.IO (main-safety block)
// tcpClient?.sendMessage(message)
// /* perform network IO here */ // Dispatchers.IO (main-safety block)
// } // Dispatchers.Main
}

@ -11,65 +11,91 @@
android:layout_height="match_parent"
android:layout_weight="1">
<Button
android:id="@+id/button"
android:id="@+id/button_rotatex"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
app:layout_constraintBottom_toTopOf="@+id/button3"
app:layout_constraintEnd_toStartOf="@+id/button2"
android:layout_marginStart="32dp"
android:layout_marginBottom="24dp"
android:paddingTop="24dp"
android:paddingBottom="24dp"
android:text="Rotate X"
app:layout_constraintBottom_toTopOf="@+id/button_rotatey"
app:layout_constraintEnd_toStartOf="@+id/button_climb"
app:layout_constraintHorizontal_chainStyle="packed"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_chainStyle="packed" />
<Button
android:id="@+id/button2"
android:id="@+id/button_climb"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
app:layout_constraintBottom_toTopOf="@+id/button4"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/button"
app:layout_constraintTop_toTopOf="parent" />
android:layout_marginStart="24dp"
android:layout_marginBottom="24dp"
android:paddingTop="24dp"
android:paddingBottom="24dp"
android:text="Climb"
app:layout_constraintBottom_toTopOf="@+id/button_twist"
app:layout_constraintStart_toEndOf="@+id/button_rotatex"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_chainStyle="packed" />
<Button
android:id="@+id/button3"
android:id="@+id/button_rotatey"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
app:layout_constraintBottom_toTopOf="@+id/button5"
app:layout_constraintEnd_toStartOf="@+id/button4"
android:layout_marginStart="32dp"
android:layout_marginBottom="24dp"
android:paddingTop="24dp"
android:paddingBottom="24dp"
android:text="Rotate Y"
app:layout_constraintBottom_toTopOf="@+id/button_rotatez"
app:layout_constraintEnd_toStartOf="@+id/button_twist"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/button" />
app:layout_constraintTop_toBottomOf="@+id/button_rotatex" />
<Button
android:id="@+id/button4"
android:id="@+id/button_twist"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_marginStart="24dp"
android:layout_marginBottom="24dp"
android:paddingTop="24dp"
android:paddingBottom="24dp"
android:text="Twist"
app:layout_constraintBottom_toTopOf="@+id/button6"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/button3"
app:layout_constraintTop_toBottomOf="@+id/button2" />
app:layout_constraintStart_toEndOf="@+id/button_rotatey"
app:layout_constraintTop_toBottomOf="@+id/button_climb" />
<Button
android:id="@+id/button5"
android:id="@+id/button_rotatez"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
android:layout_marginStart="32dp"
android:paddingTop="24dp"
android:paddingBottom="24dp"
android:text="Rotate Z"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/button6"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/button3" />
app:layout_constraintTop_toBottomOf="@+id/button_rotatey" />
<Button
android:id="@+id/button6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:paddingTop="24dp"
android:paddingBottom="24dp"
android:text="Button"
android:visibility="invisible"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/button5"
app:layout_constraintTop_toBottomOf="@+id/button4" />
app:layout_constraintStart_toEndOf="@+id/button_rotatez"
app:layout_constraintTop_toBottomOf="@+id/button_twist" />
</androidx.constraintlayout.widget.ConstraintLayout>
<androidx.constraintlayout.widget.ConstraintLayout
@ -82,8 +108,8 @@
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginStart="32dp"
android:layout_marginEnd="32dp"
android:layout_marginTop="32dp"
android:layout_marginEnd="32dp"
android:layout_marginBottom="32dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"

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