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Touch: Use calibration matrix.

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This commit is contained in:
Jared Boone
2016-07-27 14:08:02 -07:00
parent e813db16fd
commit 7492d50f0b
2 changed files with 7 additions and 21 deletions
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firmware/application/touch.cpp
+6 -4
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@@ -111,10 +111,8 @@ void Manager::feed(const Frame& frame) {
// TODO: Add touch pressure hysteresis?
touch_pressure = (metrics.r < r_touch_threshold);
if( touch_pressure ) {
const float x = width_pixels * (metrics.x - calib_x_low) / calib_x_range;
filter_x.feed(x);
const float y = height_pixels * (calib_y_high - metrics.y) / calib_y_range;
filter_y.feed(y);
filter_x.feed(metrics.x * 1024);
filter_y.feed(metrics.y * 1024);
}
} else {
filter_x.reset();
@@ -146,4 +144,8 @@ void Manager::feed(const Frame& frame) {
}
}
ui::Point Manager::filtered_point() const {
return calibration().translate({ filter_x.value(), filter_y.value() });
}
} /* namespace touch */