static void FreeDeviceList(void* pv)
{
DEVICELIST_INTERNAL* pInt = ((DEVICELIST_INTERNAL*)pv) - 1;
WacomFreeList(pInt->pSerialList);
WacomFreeList(pInt->pUSBList);
free(pInt);
}
void Usage(void)
{
int i, j, nClsSize, nDevSize;
unsigned int uDeviceCls;
WACOMCLASSREC* pCls;
WACOMDEVICEREC* pDev;
fprintf(stderr,"Usage: wacdump [options] device\n"
"Options:\n"
" -h, --help - usage\n"
" -c, --class device_cls - use specified class (see below)\n"
" -f, --force device_name - use specified device (see below)\n"
" -l, --list - list all supported devices\n"
" -v, --verbose - increase log output; multiple OK\n"
" -V, --version - display version number\n"
" --logfile log_file - output log to file\n"
"\n");
fprintf(stderr,
"Example devices:\n"
#ifdef WCM_ENABLE_LINUXINPUT
" /dev/input/event0 - usb tablet device\n"
#endif
" /dev/ttyS0 - serial tablet on com1\n"
" /dev/ttyUSB0 - serial tablet on USB adapter\n"
"\n"
"Supported device classes:\n");
if (!WacomGetSupportedClassList(&pCls,&nClsSize))
{
fprintf(stderr," ");
for (i=0; i<nClsSize; ++i)
fprintf(stderr,"%s%s", i ? ", " : "", pCls[i].pszName);
fprintf(stderr,"\n");
fprintf(stderr,"Supported device names:\n");
for (i=0; i<nClsSize; ++i)
{
fprintf(stderr," %s: ",pCls[i].pszName);
uDeviceCls = pCls[i].uDeviceClass;
if (!WacomGetSupportedDeviceList(uDeviceCls,&pDev,&nDevSize))
{
for (j=0; j<nDevSize; ++j)
fprintf(stderr,"%s%s", j ? ", " : "", pDev[j].pszName);
fprintf(stderr,"\n");
WacomFreeList(pDev);
}
}
WacomFreeList(pCls);
}
}
int WacomGetSupportedDeviceList(unsigned int uDeviceClass,
WACOMDEVICEREC** ppList, int* pnSize)
{
int nSerialCnt=0, nUSBCnt=0, nTotalBytes;
WACOMDEVICEREC* pSerial=NULL, *pUSB=NULL, *pList;
DEVICELIST_INTERNAL* pInt;
if (!ppList || !pnSize) { errno = EINVAL; return 1; }
/* get serial list */
if (((!uDeviceClass) || (uDeviceClass == WACOMCLASS_SERIAL)) &&
WacomGetSupportedSerialDeviceList(&pSerial, &nSerialCnt)) return 1;
/* get usb list */
if (((!uDeviceClass) || (uDeviceClass == WACOMCLASS_USB)) &&
WacomGetSupportedUSBDeviceList(&pUSB, &nUSBCnt))
{
if (pSerial) WacomFreeList(pSerial);
return 1;
}
/* need memory for duplicate records and list internal structure */
nTotalBytes = sizeof(WACOMDEVICEREC) * (nSerialCnt + nUSBCnt) +
sizeof(DEVICELIST_INTERNAL);
/* allocate memory */
pInt = (DEVICELIST_INTERNAL*)malloc(nTotalBytes);
/* copy initial list pointers */
pInt->pSerialList = pSerial;
pInt->pUSBList = pUSB;
pInt->pfnFree = FreeDeviceList;
/* copy records */
pList = (WACOMDEVICEREC*)(pInt + 1);
if (pSerial)
memcpy(pList,pSerial,sizeof(WACOMDEVICEREC) * nSerialCnt);
if (pUSB)
memcpy(pList + nSerialCnt, pUSB, sizeof(WACOMDEVICEREC) * nUSBCnt);
*ppList = pList;
*pnSize = nSerialCnt + nUSBCnt;
return 0;
}
void ListSupportedDevices(void)
{
int i, nListSize;
WACOMDEVICEREC* pList;
if (!WacomGetSupportedDeviceList(0,&pList,&nListSize))
{
for (i=0; i<nListSize; ++i)
{
fprintf(stdout,"%s\t%s\t%s\t\"%s\"\n",
pList[i].pszName,
pList[i].pszVendorName,
pList[i].pszClass,
pList[i].pszDesc);
}
WacomFreeList(pList);
}
}
