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ft6336: ignore bogus touch events

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At least one ft6336 device reports all 255 values from the first read
after reset or poweron, even after waiting the specified 300ms reset
delay.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2024-04-19 13:10:46 +02:00
committed by Ron Evans
parent a0293643b3
commit f206f6f56f
1 changed files with 2 additions and 1 deletions
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ft6336/ft6336.go
+2 -1
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@@ -80,7 +80,8 @@ func (d *Device) Read() []byte {
func (d *Device) ReadTouchPoint() touch.Point { func (d *Device) ReadTouchPoint() touch.Point {
d.Read() d.Read()
z := 0xFFFFF z := 0xFFFFF
if d.buf[0] == 0 { switch d.buf[0] {
case 0, 255:
z = 0 z = 0
} }