#define _SAMPLE_C_
#include <misc.h>
#include <xf86.h>
#define NEED_XF86_TYPES
#include <xf86_ansic.h>
#include <xf86_OSproc.h>
#include <xf86Xinput.h>
#include <xisb.h>
#include <exevents.h>
#include "sample.h"
static XF86ModuleVersionInfo VersionRec =
{
"sample",
MODULEVENDORSTRING,
MODINFOSTRING1,
MODINFOSTRING2,
XF86_VERSION_CURRENT,
1, 0, 0,
ABI_CLASS_XINPUT,
ABI_XINPUT_VERSION,
MOD_CLASS_XINPUT,
{0, 0, 0, 0}
};
static const char *default_options[] =
{
"BaudRate", "9600",
"StopBits", "1",
"DataBits", "8",
"Parity", "None",
"Vmin", "10",
"Vtime", "1",
"FlowControl", "None"
};
XF86ModuleData sampleModuleData = { &VersionRec, SetupProc, TearDownProc };
static void
TearDownProc( pointer p )
{
LocalDevicePtr local = (LocalDevicePtr) p;
SAMPLEPrivatePtr priv = (SAMPLEPrivatePtr) local->private;
ErrorF ("Sample TearDownProc Called\n");
DeviceOff (local->dev);
xf86CloseSerial (local->fd);
XisbFree (priv->buffer);
xfree (priv);
xfree (local->name);
xfree (local);
}
static pointer
SetupProc( pointer module,
pointer options,
int *errmaj,
int *errmin )
{
LocalDevicePtr local = xcalloc (1, sizeof (LocalDeviceRec));
SAMPLEPrivatePtr priv = xcalloc (1, sizeof (SAMPLEPrivateRec));
pointer defaults,
merged;
char *s;
ErrorF ("Sample SetupProc called\n");
if ((!local) || (!priv))
goto SetupProc_fail;
defaults = xf86OptionListCreate (default_options,
(sizeof (default_options) / sizeof (default_options[0])), 0);
merged = xf86OptionListMerge (defaults, options);
xf86OptionListReport( merged );
local->fd = xf86OpenSerial (merged);
if (local->fd == -1)
{
ErrorF ("SAMPLE driver unable to open device\n");
*errmaj = LDR_NOPORTOPEN;
*errmin = xf86GetErrno ();
goto SetupProc_fail;
}
priv->min_x = xf86SetIntOption( merged, "MinX", 0 );
priv->max_x = xf86SetIntOption( merged, "MaxX", 1000 );
priv->min_y = xf86SetIntOption( merged, "MinY", 0 );
priv->max_y = xf86SetIntOption( merged, "MaxY", 1000 );
priv->untouch_delay = xf86SetIntOption( merged, "UntouchDelay", 10 );
priv->report_delay = xf86SetIntOption( merged, "ReportDelay", 40 );
priv->screen_num = xf86SetIntOption( merged, "ScreenNumber", 0 );
priv->button_number = xf86SetIntOption( merged, "ButtonNumber", 1 );
priv->button_threshold = xf86SetIntOption( merged, "ButtonThreshold", 128 );
s = xf86FindOptionValue (merged, "ReportingMode");
if ((s) && (strcasecmp (s, "raw") == 0))
priv->reporting_mode = TS_Raw;
else
priv->reporting_mode = TS_Scaled;
priv->checksum = 0;
priv->buffer = XisbNew (local->fd, 200);
DBG (9, XisbTrace (priv->buffer, 1));
if (QueryHardware (priv, errmaj, errmin) != Success)
{
ErrorF ("Unable to query/initialize SAMPLE hardware.\n");
goto SetupProc_fail;
}
local->name = xf86SetStrOption( merged, "DeviceName", "SAMPLE XInput Device");
local->type_name = XI_TOUCHSCREEN;
local->device_control = DeviceControl;
local->read_input = ReadInput;
local->control_proc = ControlProc;
local->close_proc = CloseProc;
local->switch_mode = SwitchMode;
local->conversion_proc = ConvertProc;
local->dev = NULL;
local->private = priv;
local->private_flags = 0;
local->history_size = xf86SetIntOption( merged, "HistorySize", 0 );
xf86AddLocalDevice( local, merged );
return (local);
SetupProc_fail:
if ((local) && (local->fd))
xf86CloseSerial (local->fd);
if ((local) && (local->name))
xfree (local->name);
if (local)
xfree (local);
if ((priv) && (priv->buffer))
XisbFree (priv->buffer);
if (priv)
xfree (priv);
ErrorF ("SetupProc returning NULL\n");
return (NULL);
}
static Bool
DeviceControl (DeviceIntPtr dev, int mode)
{
Bool RetValue;
ErrorF ("DeviceControl called mode = %d\n", mode);
switch (mode)
{
case DEVICE_INIT:
ErrorF ("\tINIT\n");
DeviceInit (dev);
RetValue = Success;
break;
case DEVICE_ON:
ErrorF ("\tON\n");
RetValue = DeviceOn( dev );
break;
case DEVICE_OFF:
ErrorF ("\tOFF\n");
RetValue = DeviceOff( dev );
break;
case DEVICE_CLOSE:
ErrorF ("\tCLOSE\n");
RetValue = DeviceClose( dev );
break;
default:
ErrorF ("\tBAD MODE\n");
RetValue = BadValue;
}
return( RetValue );
}
static Bool
DeviceOn (DeviceIntPtr dev)
{
LocalDevicePtr local = (LocalDevicePtr) dev->public.devicePrivate;
AddEnabledDevice (local->fd);
dev->public.on = TRUE;
return (Success);
}
static Bool
DeviceOff (DeviceIntPtr dev)
{
LocalDevicePtr local = (LocalDevicePtr) dev->public.devicePrivate;
RemoveEnabledDevice (local->fd);
dev->public.on = FALSE;
return (Success);
}
static Bool
DeviceClose (DeviceIntPtr dev)
{
return (Success);
}
static Bool
DeviceInit (DeviceIntPtr dev)
{
LocalDevicePtr local = (LocalDevicePtr) dev->public.devicePrivate;
SAMPLEPrivatePtr priv = (SAMPLEPrivatePtr) (local->private);
Atom atom;
unsigned char map[] =
{0, 1};
if (InitButtonClassDeviceStruct (dev, 1, map) == FALSE)
{
ErrorF ("Unable to allocate SAMPLE ButtonClassDeviceStruct\n");
return !Success;
}
if (InitValuatorClassDeviceStruct (dev, 2, xf86GetMotionEvents,
local->history_size, Absolute) == FALSE)
{
ErrorF ("Unable to allocate SAMPLE ValuatorClassDeviceStruct\n");
return !Success;
}
else
{
InitValuatorAxisStruct (dev, 0, priv->min_x, priv->max_x,
9500,
0 ,
9500 );
InitValuatorAxisStruct (dev, 1, priv->min_y, priv->max_y,
10500,
0 ,
10500 );
}
if (InitProximityClassDeviceStruct (dev) == FALSE)
{
ErrorF ("unable to allocate SAMPLE ProximityClassDeviceStruct\n");
return !Success;
}
xf86MotionHistoryAllocate (local);
return (Success);
}
static void
ReadInput (LocalDevicePtr local)
{
int x, y, z;
int state;
SAMPLEPrivatePtr priv = (SAMPLEPrivatePtr) (local->private);
XisbBlockDuration (priv->buffer, -1);
while (SAMPLEGetPacket (priv) == Success)
{
}
}
static int
ControlProc (LocalDevicePtr local, xDeviceCtl * control)
{
return (Success);
}
static void
CloseProc (LocalDevicePtr local)
{
}
static int
SwitchMode (ClientPtr client, DeviceIntPtr dev, int mode)
{
return (Success);
}
static Bool
ConvertProc (LocalDevicePtr local,
int first,
int num,
int v0,
int v1,
int v2,
int v3,
int v4,
int v5,
int *x,
int *y)
{
*x = v0;
*y = v1;
return (Success);
}
static Bool
QueryHardware (SAMPLEPrivatePtr priv, int *errmaj, int *errmin)
{
return (Success);
}
static Bool
SAMPLEGetPacket (SAMPLEPrivatePtr priv)
{
int count = 0;
int c;
while ((c = XisbRead (priv->buffer)) >= 0)
{
if (priv->lex_mode != SAMPLE_checksum)
priv->checksum += c;
if (count++ > 500)
return (!Success);
switch (priv->lex_mode)
{
case SAMPLE_normal:
if (c == SAMPLE_SYNC_BYTE)
{
priv->packet[priv->packeti++] = (unsigned char) c;
priv->checksum = SAMPLE_INIT_CHECKSUM + c;
priv->lex_mode = SAMPLE_body;
}
break;
case SAMPLE_body:
if (priv->packeti < SAMPLE_BODY_LEN)
priv->packet[priv->packeti++] = (unsigned char) c;
if (priv->packeti == SAMPLE_BODY_LEN)
priv->lex_mode = SAMPLE_checksum;
break;
case SAMPLE_checksum:
if (c != priv->checksum)
{
xf86ErrorFVerb( 4,
"Checksum mismatch. Read %d calculated %d\nPacket discarded.\n",
c, priv->checksum );
}
else
{
ErrorF ("got a good packet\n");
return (Success);
}
break;
}
}
return (!Success);
}