xdsopl/robot36
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visualize taken synchronization path

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This commit is contained in:
Ahmet Inan 2024-04-16 19:12:56 +02:00
parent 89772839f4
commit 64b0732bdb
1 changed files with 5 additions and 5 deletions
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10
app/src/main/java/xdsopl/robot36/MainActivity.java
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@ -30,7 +30,7 @@ import java.util.List;
public class MainActivity extends AppCompatActivity {
private final int scopeWidth = 1200, scopeHeight = 512;
private final int scopeWidth = 1234, scopeHeight = 512;
private Bitmap scopeBitmap;
private int[] scopePixels;
private ImageView scopeView;
@ -42,7 +42,6 @@ public class MainActivity extends AppCompatActivity {
private int tint;
private int curLine;
private int curColumn;
private int syncPulseToleranceSamples;
private void setStatus(int id) {
status.setText(id);
@ -70,7 +69,7 @@ public class MainActivity extends AppCompatActivity {
private void visualizeSignal(boolean syncPulseDetected) {
int syncPulseOffset = curColumn + demodulator.syncPulseOffset;
if (syncPulseDetected && syncPulseOffset >= syncPulseToleranceSamples && syncPulseOffset < curColumn) {
if (syncPulseDetected && syncPulseOffset >= 0 && syncPulseOffset < curColumn) {
syncPulseDetected = false;
int nextLine = (curLine + 1) % scopeHeight;
for (int i = 0; i < curColumn - syncPulseOffset; ++i)
@ -86,6 +85,9 @@ public class MainActivity extends AppCompatActivity {
scopePixels[scopeWidth * curLine + curColumn] = pixelColor;
boolean syncNow = syncPulseDetected && syncPulseOffset == curColumn;
if (syncNow || ++curColumn >= scopeWidth) {
if (syncNow)
while (curColumn < scopeWidth)
scopePixels[scopeWidth * curLine + curColumn++] = 0xffff0000;
syncPulseDetected = false;
curColumn = 0;
slideUpOneLine();
@ -95,8 +97,6 @@ public class MainActivity extends AppCompatActivity {
void initTools(int sampleRate) {
demodulator = new Demodulator(sampleRate);
double syncPulseToleranceSeconds = 0.001;
syncPulseToleranceSamples = (int) Math.round(syncPulseToleranceSeconds * sampleRate);
}
private void initAudioRecord() {