Qtopia-interest Archive, April 2007
Touch screen problem (Qtopia 4.2.2)
Message 1 in thread
Hi,
I'm writing a plugin for a touchscreen.
With my driver, I can move the mouse pointer with touch panel,
but when I press the panel, Qtopia only move the pointer and
doesn't simulate mouse button click.
How can I solve the problem?
Thanks.
Francesco.
P.S. This is the source code of read function:
void QWSTS2005FMouseHandlerPrivate::readMouseData()
{
uchar _buffer[5]; // pacchetto di 5 byte letti
if (connected = false) // se il touchscreen non è connesso
return; // esco
// leggo il pacchetto ricevuto
if (read(fd_serial, _buffer, 5) <= 0) // se c'e' stato un errore in
return; // esco
// controllo se e' stato premuto il touch panel
//
// bit: 7 6 5 4 3 2 1 0
// byte1: 1 0 TP 0 0 0 0 0
// se TP=1 (byte1 = A0) il touchscreen è stato premuto
// se TP=0 (byte1 = 80) il touchscreen non è stato premuto
if (_buffer[0] & 0xA0) {
// calcolo le coordinate del punto di pressione
//
// bit: 7 6 5 4 3 2 1 0
// byte2: 0 0 0 0 x9 x8 x7 x6
// byte3: 0 0 x5 x4 x3 x2 x1 x0
// byte4: 0 0 0 0 y9 y8 y7 y6
// byte5: 0 0 y5 y4 y3 y2 y1 y0
position.setX((int)_buffer[1] * 64 + (int)_buffer[2]);
position.setY((int)_buffer[3] * 64 + (int)_buffer[4]);
handler->mouseChanged(position, Qt::LeftButton);
}
else {
handler->mouseChanged(position, Qt::NoButton);
}
}
--
[ signature omitted ]
Message 2 in thread
I find my problem...
It's my fault:
I replace this line:
if (_buffer[0] & 0xA0)
with this
if (_buffer[0] == 0xA0)
Thanks.
Francesco.
Ing. Francesco Carsana wrote:
> Hi,
>
> I'm writing a plugin for a touchscreen.
> With my driver, I can move the mouse pointer with touch panel,
> but when I press the panel, Qtopia only move the pointer and
> doesn't simulate mouse button click.
>
> How can I solve the problem?
>
> Thanks.
>
> Francesco.
>
> P.S. This is the source code of read function:
>
> void QWSTS2005FMouseHandlerPrivate::readMouseData()
> {
> uchar _buffer[5]; // pacchetto di 5 byte letti
>
>
> if (connected = false) // se il touchscreen non à connesso
> return; // esco
>
> // leggo il pacchetto ricevuto
> if (read(fd_serial, _buffer, 5) <= 0) // se c'e' stato un errore in
> return; // esco
>
> // controllo se e' stato premuto il touch panel
> //
> // bit: 7 6 5 4 3 2 1 0
> // byte1: 1 0 TP 0 0 0 0 0
> // se TP=1 (byte1 = A0) il touchscreen à stato premuto
> // se TP=0 (byte1 = 80) il touchscreen non à stato premuto
> if (_buffer[0] & 0xA0) {
> // calcolo le coordinate del punto di pressione
> //
> // bit: 7 6 5 4 3 2 1 0
> // byte2: 0 0 0 0 x9 x8 x7 x6
> // byte3: 0 0 x5 x4 x3 x2 x1 x0
> // byte4: 0 0 0 0 y9 y8 y7 y6
> // byte5: 0 0 y5 y4 y3 y2 y1 y0
> position.setX((int)_buffer[1] * 64 + (int)_buffer[2]);
> position.setY((int)_buffer[3] * 64 + (int)_buffer[4]);
> handler->mouseChanged(position, Qt::LeftButton);
> }
> else {
> handler->mouseChanged(position, Qt::NoButton);
> }
> }
>
--
[ signature omitted ]
