Thanks for the driver!
I've committed it to CVS
On 2002.01.10 06:25 Arnd Bergmann wrote:
> Hi,
>
> I've just finished writing an input driver for dynapro/sc3 style touch
> screen
> drivers. As you might have guessed, that's the one we're using for our
>
> devices.
>
> As it is largely identical to at least the serial mouse driver and the
> palmax
> touch screen driver (which seems to use a newer version of the same
> protocol), it might be nice to put the shared code in another file,
> but I'm
> not sure if that's worth the effort.
>
> For now, the driver is working nicely and does not touch other parts
> of the
> server.
>
> Arnd <><
> diff -ur --new-file pgui-dev20020109/pgserver/config.in
> pgui-dev20020109-sc3/pgserver/config.in
> --- pgui-dev20020109/pgserver/config.in Sun Jan 6 04:25:16
> 2002
> +++ pgui-dev20020109-sc3/pgserver/config.in Thu Jan 10 14:08:31
> 2002
> @@ -108,6 +108,7 @@
> bool 'Touchscreen calibration' CONFIG_TOUCHSCREEN
> if [ "$CONFIG_TOUCHSCREEN" = "y" ]; then
> bool 'Palmax touchscreen driver' DRIVER_PALMAXTS
> + bool 'SC3 compatible touchscreen input driver' DRIVER_SC3TS
> fi
> bool 'SDL input driver' DRIVER_SDLINPUT
> bool 'X Window System input driver' DRIVER_X11INPUT
> diff -ur --new-file pgui-dev20020109/pgserver/gcore/inputdrivers.inc
> pgui-dev20020109-sc3/pgserver/gcore/inputdrivers.inc
> --- pgui-dev20020109/pgserver/gcore/inputdrivers.inc Sun Jan 6
> 02:28:45 2002
> +++ pgui-dev20020109-sc3/pgserver/gcore/inputdrivers.inc Thu
> Jan 10 14:08:31 2002
> @@ -41,6 +41,10 @@
> DRV("ucb1x00",&ucb1x00_regfunc)
> #endif
>
> +#ifdef DRIVER_SC3TS
> + DRV("sc3ts",&sc3_regfunc)
> +#endif
> +
> #ifdef DRIVER_TTYKB
> DRV("ttykb",&ttykb_regfunc)
> #endif
> diff -ur --new-file pgui-dev20020109/pgserver/include/pgserver/input.h
> pgui-dev20020109-sc3/pgserver/include/pgserver/input.h
> --- pgui-dev20020109/pgserver/include/pgserver/input.h Mon Jan
> 7 19:26:12 2002
> +++ pgui-dev20020109-sc3/pgserver/include/pgserver/input.h Thu
> Jan 10 14:08:31 2002
> @@ -135,6 +135,7 @@
> g_error vr3ts_regfunc(struct inlib *i);
> g_error tuxts_regfunc(struct inlib *i);
> g_error ucb1x00_regfunc(struct inlib *i);
> +g_error sc3_regfunc(struct inlib *i);
> g_error ttykb_regfunc(struct inlib *i);
> g_error remorakb_regfunc(struct inlib *i);
> g_error serialmouse_regfunc(struct inlib *i);
> diff -ur --new-file pgui-dev20020109/pgserver/input/sc3ts.c
> pgui-dev20020109-sc3/pgserver/input/sc3ts.c
> --- pgui-dev20020109/pgserver/input/sc3ts.c Thu Jan 1 01:00:00
> 1970
> +++ pgui-dev20020109-sc3/pgserver/input/sc3ts.c Thu Jan 10
> 14:13:16 2002
> @@ -0,0 +1,173 @@
> +/* $Id:$
> + *
> + * sc3ts.c - input driver for sc3 compatible touch screens
> + *
> + * (C) 2001 SSV Embedded Systems GmbH, Arnd Bergmann <[EMAIL PROTECTED]>
> + *
> + * Based on serial mouse driver, see serialmouse.c for complete
> + * changelog
> + *
> + * ---------------------------
> + *
> + * PicoGUI small and efficient client/server GUI
> + * Copyright (C) 2000,2001 Micah Dowty
> <[EMAIL PROTECTED]>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License
> + * as published by the Free Software Foundation; either version 2
> + * of the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
> 02111-1307, USA.
> + *
> +
> ***************************************************************************/
> +
> +#include <pgserver/common.h>
> +#include <pgserver/input.h>
> +#include <pgserver/widget.h>
> +#include <pgserver/configfile.h>
> +#include <pgserver/touchscreen.h>
> +
> +#include <stdio.h>
> +#include <string.h>
> +#include <unistd.h>
> +#include <fcntl.h>
> +#include <errno.h>
> +#include <sys/termios.h>
> +
> +int sc3_fd;
> +int btnstate;
> +struct termios options;
> +
> +struct sc3_event {
> + u8 y_high : 3; /* lower half of horizontal position */
> + u8 x_high : 3; /* lower half of vertical position */
> + u8 pressure : 1; /* button state */
> + u8 sync : 1; /* set to 1 on first byte, 0 otherwise */
> + u8 x_low; /* upper half of horizontal position */
> + u8 y_low; /* upper half of vertical position */
> + u8 pad; /* pad to 32 bit */
> +};
>
> +
> +static int minx = 76;
> +static int miny = 86;
> +static int maxx = 950;
> +static int maxy = 935;
> +
> +int sc3_fd_activate(int fd) {
> + u8 buttons;
> + static u8 packet[3];
> + static int pos;
> + struct sc3_event *event = (struct sc3_event *)packet;
> + int cursorx,cursory;
> +
> + if (fd != sc3_fd)
> + return 0;
> +
> + /* Read a correctly-aligned sc3 packet. If the first byte isn't
> 0x80,
> + * it isn't correctly aligned. The sc3 packet is 3 bytes long.
> + */
> +
> + if (read(sc3_fd,packet+pos,1) != 1)
> + return 1;
> + if (!(packet[0] & 0x80))
> + return 1;
> + if (pos++ < 2)
> + return 1;
> + pos = 0;
> +
> + buttons = event->pressure;
> + cursorx = event->x_high << 7 | event->x_low;
> + cursory = event->y_high << 7 | event->y_low;
> +
> +#ifdef DEBUG_EVENT
> + {
> + int a,b,c;
> +
> + a = packet[0];
> + b = packet[1];
> + c = packet[2];
> + printf("fd=%d, x=%4d, y=%4d, buttons=%2d packet = %02X %02X
> %02X\n",
> + sc3_fd,cursorx,cursory,buttons,a,b,c);
> + }
> +#endif
> +
> + touchscreen_pentoscreen(&cursorx, &cursory);
> +
> + if ((buttons!=0)&&(btnstate==0)){
> + dispatch_pointing(TRIGGER_DOWN,cursorx,cursory,buttons);
> + btnstate=1;
> + }
> + if ((buttons==0)&&(btnstate==1)){
> + dispatch_pointing(TRIGGER_UP,cursorx,cursory,buttons);
> + btnstate=0;
> + }
> + if(buttons)
> + dispatch_pointing(TRIGGER_MOVE,cursorx,cursory,buttons);
> +
> + return 1;
> +}
> +
> +g_error sc3_init(void) {
> +
> + g_error ret;
> +
> + ret=touchscreen_init();
> + if(ret!=success)
> + return ret;
> +
> +
> +
> + sc3_fd = open(get_param_str("input-sc3ts","device","/dev/ttyS1"),
> + O_RDONLY | O_NOCTTY | O_NDELAY);
> +
> + if(sc3_fd < 0)
> + return mkerror(PG_ERRT_IO,43); /* Error opening sc3 device */
> +
> + tcgetattr(sc3_fd, &options);
> + cfsetispeed(&options, B2400); /* baud rate 2400 */
> + options.c_cflag |= (CLOCAL | CREAD); /* Enable
> + receiver and set the local
> mode
> */
> + options.c_cflag &= ~PARENB; /* None parity */
> + options.c_cflag &= ~CSIZE; /* Mask the character bit
> + size */
> + options.c_cflag |= CS8; /* 8 data bits */
> + options.c_cflag &= ~CSTOPB; /* 1 stop bits */
> + options.c_cflag &= ~CRTSCTS;/* Disable hardware flow
> + control */
> + options.c_iflag &= ~(IXON | IXOFF | IXANY);/* Disable
> + software flow control */
> + /* Set raw input and output */
> + options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
> + options.c_oflag &= ~OPOST;
> +
> + tcsetattr(sc3_fd, TCSANOW, &options); /* set parameters */
> + return success;
> +}
> +
> +void sc3_fd_init(int *n,fd_set *readfds,struct
> + timeval *timeout) {
> + if ((*n)<(sc3_fd+1))
> + *n = sc3_fd+1;
> + if (sc3_fd>0)
> + FD_SET(sc3_fd,readfds);
> +}
> +
> +void sc3_close(void){
> + close(sc3_fd);
> +}
> +
> +g_error sc3_regfunc(struct inlib *i) {
> + i->init = &sc3_init;
> + i->fd_activate = &sc3_fd_activate;
> + i->fd_init = &sc3_fd_init;
> + i->message = &touchscreen_message;
> + i->close = &sc3_close;
> + return success;
> +}
> diff -ur --new-file pgui-dev20020109/pgserver/input/sc3ts.c~
> pgui-dev20020109-sc3/pgserver/input/sc3ts.c~
> --- pgui-dev20020109/pgserver/input/sc3ts.c~ Thu Jan 1
> 01:00:00 1970
> +++ pgui-dev20020109-sc3/pgserver/input/sc3ts.c~ Thu Jan 10
> 14:09:02 2002
> @@ -0,0 +1,173 @@
> +/* $Id: sc3ts.c,v 1.4 2001/12/14 22:56:43 micahjd Exp $
> + *
> + * sc3ts.c - input driver for sc3 compatible touch screens
> + *
> + * (C) 2001 SSV Embedded Systems GmbH, Arnd Bergmann <[EMAIL PROTECTED]>
> + *
> + * Based on serial mouse driver, see serialmouse.c for complete
> + * changelog
> + *
> + * ---------------------------
> + *
> + * PicoGUI small and efficient client/server GUI
> + * Copyright (C) 2000,2001 Micah Dowty
> <[EMAIL PROTECTED]>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License
> + * as published by the Free Software Foundation; either version 2
> + * of the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
> 02111-1307, USA.
> + *
> +
> ***************************************************************************/
> +
> +#include <pgserver/common.h>
> +#include <pgserver/input.h>
> +#include <pgserver/widget.h>
> +#include <pgserver/configfile.h>
> +#include <pgserver/touchscreen.h>
> +
> +#include <stdio.h>
> +#include <string.h>
> +#include <unistd.h>
> +#include <fcntl.h>
> +#include <errno.h>
> +#include <sys/termios.h>
> +
> +int sc3_fd;
> +int btnstate;
> +struct termios options;
> +
> +struct sc3_event {
> + u8 y_high : 3; /* lower half of horizontal position */
> + u8 x_high : 3; /* lower half of vertical position */
> + u8 pressure : 1; /* button state */
> + u8 sync : 1; /* set to 1 on first byte, 0 otherwise */
> + u8 x_low; /* upper half of horizontal position */
> + u8 y_low; /* upper half of vertical position */
> + u8 pad; /* pad to 32 bit */
> +};
>
> +
> +static int minx = 76;
> +static int miny = 86;
> +static int maxx = 950;
> +static int maxy = 935;
> +
> +int sc3_fd_activate(int fd) {
> + u8 buttons;
> + static u8 packet[3];
> + static int pos;
> + struct sc3_event *event = (struct sc3_event *)packet;
> + int cursorx,cursory;
> +
> + if (fd != sc3_fd)
> + return 0;
> +
> + /* Read a correctly-aligned sc3 packet. If the first byte isn't
> 0x80,
> + * it isn't correctly aligned. The sc3 packet is 3 bytes long.
> + */
> +
> + if (read(sc3_fd,packet+pos,1) != 1)
> + return 1;
> + if (!(packet[0] & 0x80))
> + return 1;
> + if (pos++ < 2)
> + return 1;
> + pos = 0;
> +
> + buttons = event->pressure;
> + cursorx = event->x_high << 7 | event->x_low;
> + cursory = event->y_high << 7 | event->y_low;
> +
> +#ifdef DEBUG_EVENT
> + {
> + int a,b,c;
> +
> + a = packet[0];
> + b = packet[1];
> + c = packet[2];
> + printf("fd=%d, x=%4d, y=%4d, buttons=%2d packet = %02X %02X
> %02X\n",
> + sc3_fd,cursorx,cursory,buttons,a,b,c);
> + }
> +#endif
> +
> + touchscreen_pentoscreen(&cursorx, &cursory);
> +
> + if ((buttons!=0)&&(btnstate==0)){
> + dispatch_pointing(TRIGGER_DOWN,cursorx,cursory,buttons);
> + btnstate=1;
> + }
> + if ((buttons==0)&&(btnstate==1)){
> + dispatch_pointing(TRIGGER_UP,cursorx,cursory,buttons);
> + btnstate=0;
> + }
> + if(buttons)
> + dispatch_pointing(TRIGGER_MOVE,cursorx,cursory,buttons);
> +
> + return 1;
> +}
> +
> +g_error sc3_init(void) {
> +
> + g_error ret;
> +
> + ret=touchscreen_init();
> + if(ret!=success)
> + return ret;
> +
> +
> +
> + sc3_fd = open(get_param_str("input-sc3ts","device","/dev/ttyS1"),
> + O_RDONLY | O_NOCTTY | O_NDELAY);
> +
> + if(sc3_fd < 0)
> + return mkerror(PG_ERRT_IO,43); /* Error opening sc3 device */
> +
> + tcgetattr(sc3_fd, &options);
> + cfsetispeed(&options, B2400); /* baud rate 2400 */
> + options.c_cflag |= (CLOCAL | CREAD); /* Enable
> + receiver and set the local
> mode
> */
> + options.c_cflag &= ~PARENB; /* None parity */
> + options.c_cflag &= ~CSIZE; /* Mask the character bit
> + size */
> + options.c_cflag |= CS8; /* 8 data bits */
> + options.c_cflag &= ~CSTOPB; /* 1 stop bits */
> + options.c_cflag &= ~CRTSCTS;/* Disable hardware flow
> + control */
> + options.c_iflag &= ~(IXON | IXOFF | IXANY);/* Disable
> + software flow control */
> + /* Set raw input and output */
> + options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
> + options.c_oflag &= ~OPOST;
> +
> + tcsetattr(sc3_fd, TCSANOW, &options); /* set parameters */
> + return success;
> +}
> +
> +void sc3_fd_init(int *n,fd_set *readfds,struct
> + timeval *timeout) {
> + if ((*n)<(sc3_fd+1))
> + *n = sc3_fd+1;
> + if (sc3_fd>0)
> + FD_SET(sc3_fd,readfds);
> +}
> +
> +void sc3_close(void){
> + close(sc3_fd);
> +}
> +
> +g_error sc3_regfunc(struct inlib *i) {
> + i->init = &sc3_init;
> + i->fd_activate = &sc3_fd_activate;
> + i->fd_init = &sc3_fd_init;
> + i->message = &touchscreen_message;
> + i->close = &sc3_close;
> + return success;
> +}
> diff -ur --new-file pgui-dev20020109/pgserver/select.in
> pgui-dev20020109-sc3/pgserver/select.in
> --- pgui-dev20020109/pgserver/select.in Sun Jan 6 02:28:45
> 2002
> +++ pgui-dev20020109-sc3/pgserver/select.in Thu Jan 10 14:08:31
> 2002
> @@ -97,6 +97,7 @@
> add_if_true serialmouse.c $DRIVER_SERIALMOUSE
> add_if_true x11input.c $DRIVER_X11INPUT
> add_if_true palmaxts.c $DRIVER_PALMAXTS
> +add_if_true sc3ts.c $DRIVER_SC3TS
> add_if_true mgl2input.c $DRIVER_MGL2INPUT
>
> close_section
>
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