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cabana: use cyan/red coloring for values that move mostly up/down (#27966)

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old-commit-hash: 8da57459702736d8ba347965b12465e57041a82b
This commit is contained in:
Willem Melching
2023-04-19 19:45:07 +02:00
committed by GitHub
parent 70800c6397
commit 69625b7f6c
2 changed files with 16 additions and 1 deletions
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tools/cabana/streams/abstractstream.cc
+14 -1
View File
@@ -161,6 +161,8 @@ void CanData::compute(const char *can_data, const int size, double current_sec,
bit_change_counts.resize(size);
colors = QVector(size, QColor(0, 0, 0, 0));
last_change_t = QVector(size, ts);
last_delta.resize(size);
same_delta_counter.resize(size);
} else {
bool lighter = settings.theme == DARK_THEME;
const QColor &cyan = !lighter ? CYAN : CYAN_LIGHTER;
@@ -170,10 +172,20 @@ void CanData::compute(const char *can_data, const int size, double current_sec,
for (int i = 0; i < size; ++i) {
const uint8_t last = dat[i];
const uint8_t cur = can_data[i];
const int delta = cur - last;
if (last != cur) {
double delta_t = ts - last_change_t[i];
if (delta_t * freq > periodic_threshold) {
// Keep track if signal is changing randomly, or mostly moving in the same direction
if (std::signbit(delta) == std::signbit(last_delta[i])) {
same_delta_counter[i] = std::min(16, same_delta_counter[i] + 1);
} else {
same_delta_counter[i] = std::max(0, same_delta_counter[i] - 4);
}
// Mostly moves in the same direction, color based on delta up/down
if (delta_t * freq > periodic_threshold || same_delta_counter[i] > 8) {
// Last change was while ago, choose color based on delta up or down
colors[i] = (cur > last) ? cyan : red;
} else {
@@ -190,6 +202,7 @@ void CanData::compute(const char *can_data, const int size, double current_sec,
}
last_change_t[i] = ts;
last_delta[i] = delta;
} else {
// Fade out
float alpha_delta = 1.0 / (freq + 1) / (fade_time * playback_speed);
tools/cabana/streams/abstractstream.h
+2
View File
@@ -22,6 +22,8 @@ struct CanData {
QVector<QColor> colors;
QVector<double> last_change_t;
QVector<std::array<uint32_t, 8>> bit_change_counts;
QVector<int> last_delta;
QVector<int> same_delta_counter;
};
struct CanEvent {