xdsopl/robot36
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extrapolate missing pulses

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This commit is contained in:
Ahmet Inan 2024-04-19 09:34:18 +02:00
parent 4cd2c86802
commit a369d1754f
1 changed files with 26 additions and 14 deletions
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40
app/src/main/java/xdsopl/robot36/MainActivity.java
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@ -90,19 +90,8 @@ public class MainActivity extends AppCompatActivity {
return (int) Math.round(stdDev);
}
private void processSyncPulse(int[] pulses, int[] lines, int index) {
for (int i = 1; i < lines.length; ++i)
lines[i - 1] = lines[i];
lines[lines.length - 1] = index - pulses[pulses.length - 1];
for (int i = 1; i < pulses.length; ++i)
pulses[i - 1] = pulses[i];
pulses[pulses.length - 1] = index;
int prevPulseIndex = pulses[0];
int nextPulseIndex = pulses[1];
int scanLineSamples = lines[0];
if (scanLineSamples == 0 || prevPulseIndex < 0 || nextPulseIndex <= 0)
return;
if (scanLineStdDev(lines) > scanLineToleranceSamples)
private void processOneLine(int prevPulseIndex, int scanLineSamples) {
if (prevPulseIndex < 0 || prevPulseIndex + scanLineSamples >= scanLineBuffer.length)
return;
for (int i = 0; i < scopeWidth; ++i) {
int position = (i * scanLineSamples) / scopeWidth + prevPulseIndex;
@ -110,7 +99,30 @@ public class MainActivity extends AppCompatActivity {
int pixelColor = 0xff000000 | 0x00010101 * intensity;
scopePixels[scopeWidth * curLine + i] = pixelColor;
}
int shift = nextPulseIndex;
}
private void processSyncPulse(int[] pulses, int[] lines, int index) {
for (int i = 1; i < lines.length; ++i)
lines[i - 1] = lines[i];
lines[lines.length - 1] = index - pulses[pulses.length - 1];
for (int i = 1; i < pulses.length; ++i)
pulses[i - 1] = pulses[i];
pulses[pulses.length - 1] = index;
if (lines[0] == 0)
return;
if (scanLineStdDev(lines) > scanLineToleranceSamples)
return;
if (pulses[0] >= lines[0]) {
int lineSamples = lines[0];
int endPulse = pulses[0];
int extrapolate = endPulse / lineSamples;
int firstPulse = endPulse - extrapolate * lineSamples;
for (int pulseIndex = firstPulse; pulseIndex < endPulse; pulseIndex += lineSamples)
processOneLine(pulseIndex, lineSamples);
}
for (int i = 0; i < lines.length; ++i)
processOneLine(pulses[i], lines[i]);
int shift = pulses[pulses.length - 1];
adjustSyncPulses(last5msSyncPulses, shift);
adjustSyncPulses(last9msSyncPulses, shift);
adjustSyncPulses(last20msSyncPulses, shift);