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Diffstat (limited to 'docs/DragLatency.md')
| -rw-r--r-- | docs/DragLatency.md | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/docs/DragLatency.md b/docs/DragLatency.md index 3797e4e..739f477 100644 --- a/docs/DragLatency.md +++ b/docs/DragLatency.md @@ -1,6 +1,11 @@ ## Drag / scroll latency -For detailed instructions on how to perform the measurement refer to the [usage doc](usage/WALT_usage.md#dragscroll-latency). +See also: + * Instructions on how to perform the measurement in the [usage doc](usage/WALT_usage.md#dragscroll-latency) + * [Video demonstration](https://www.youtube.com/watch?v=pVy5AYVzf7Q&list=PLd6Fi7WgXfcB4Ma6A-5rPlr1jptNR3RxQ&index=4) + * A [video](https://plus.google.com/+FrancoisBeaufort/posts/XctAif2nv4U) showing the measurement +performed using a robotic stylus + For drag (or scroll) latency WALT uses a laser that shines across the touch device and hits a detector on the other side. The microcontroller monitors the state of the laser detector and reports (over usb) when @@ -8,10 +13,6 @@ the laser beam is broken. A finger dragged back and forth on a touchpad or touch and interrupts a laser beam. Touch events from the pad and laser events are then processed together to deduce the delay. -A [video](https://plus.google.com/+FrancoisBeaufort/posts/XctAif2nv4U) showing the measurement -performed using a robotic stylus. - -  Sample measurements |