/**
* \brief Finds the number of hardware connected.
* \param void
* \return defERR_OK if successful otherwise corresponding Error code.
* 0, Query successful, but no device found
* > 0, Number of devices found
* < 0, query for devices unsuccessful
* \authors Arunkumar Karri
* \date 07.10.2011 Created
*/
static int nGetNoOfConnectedHardware(void)
{
int nResult = 0;
XLstatus xlStatus = XL_SUCCESS;
// ------------------------------------
// get the hardware configuration
// ------------------------------------
if ( XL_SUCCESS == xlStatus )
{
xlStatus = xlGetDriverConfig(&g_xlDrvConfig);
}
if (XL_SUCCESS == xlStatus)
{
// ------------------------------------
// select the wanted channels
// ------------------------------------
for (UINT i=0; i < g_xlDrvConfig.channelCount; i++)
{
// check if we have a valid LIN cab/piggy
if (g_xlDrvConfig.channel[i].channelBusCapabilities & XL_BUS_ACTIVE_CAP_LIN)
{
// and check the right hardwaretype
//if (g_xlDrvConfig.channel[i].hwType==hwType)
{
nResult++;
}
}
}
if (!nResult)
{
_tcscpy(sg_omErrStr, _("No available channels found! (e.g. no LINcabs...)"));
xlStatus = XL_ERROR;
}
}
else
{
_tcscpy(sg_omErrStr, _("Problem Finding Device!"));
nResult = -1;
}
/* Return the operation result */
return nResult;
}
////////////////////////////////////////////////////////////////////////////
// demoInitDriver
// initializes the driver with one port and all founded channels which
// have a connected CAN cab/piggy.
//
////////////////////////////////////////////////////////////////////////////
XLstatus demoInitDriver(XLaccess *pxlChannelMaskTx, unsigned char *pxlChannelIndex)
{
XLstatus xlStatus;
XLaccess xlChannelMaskTx = 0;
unsigned int i;
// ------------------------------------
// open the driver
// ------------------------------------
xlStatus = xlOpenDriver ();
// ------------------------------------
// get/print the hardware configuration
// ------------------------------------
if (XL_SUCCESS == xlStatus)
{
xlStatus = xlGetDriverConfig(&g_xlDrvConfig);
}
if (XL_SUCCESS == xlStatus)
{
demoPrintConfig();
printf("Usage: J1939_stack_test <BaudRate> <ApplicationName> <Identifier>\n\n");
// ------------------------------------
// select the wanted channels
// ------------------------------------
g_xlChannelMask = 0;
for (i=0; i < g_xlDrvConfig.channelCount; i++)
{
// we take all hardware we found and
// check that we have only CAN cabs/piggy's
// at the moment there is no VN8910 XLAPI support!
if (g_xlDrvConfig.channel[i].channelBusCapabilities & XL_BUS_ACTIVE_CAP_CAN)
{
if (!*pxlChannelMaskTx)
{
*pxlChannelMaskTx = g_xlDrvConfig.channel[i].channelMask;
*pxlChannelIndex = g_xlDrvConfig.channel[i].channelIndex;
}
g_xlChannelMask |= g_xlDrvConfig.channel[i].channelMask;
}
}
if (!g_xlChannelMask)
{
printf("ERROR: no available channels found! (e.g. no CANcabs...)\n\n");
xlStatus = XL_ERROR;
}
}
g_xlPermissionMask = g_xlChannelMask;
// ------------------------------------
// open ONE port including all channels
// ------------------------------------
if (XL_SUCCESS == xlStatus)
{
xlStatus = xlOpenPort(&g_xlPortHandle, g_AppName, g_xlChannelMask, &g_xlPermissionMask, RX_QUEUE_SIZE, XL_INTERFACE_VERSION, XL_BUS_TYPE_CAN);
printf("- OpenPort : CM=0x%I64x, PH=0x%02X, PM=0x%I64x, %s\n",
g_xlChannelMask, g_xlPortHandle, g_xlPermissionMask, xlGetErrorString(xlStatus));
}
if ((XL_SUCCESS == xlStatus) && (XL_INVALID_PORTHANDLE != g_xlPortHandle))
{
// ------------------------------------
// if we have permission we set the
// bus parameters (baudrate)
// ------------------------------------
if (g_xlChannelMask == g_xlPermissionMask)
{
xlStatus = xlCanSetChannelBitrate(g_xlPortHandle, g_xlChannelMask, g_BaudRate);
printf("- SetChannelBitrate: baudr.=%u, %s\n",g_BaudRate, xlGetErrorString(xlStatus));
}
else
{
printf("- : we have NO init access!\n");
}
}
else
{
xlClosePort(g_xlPortHandle);
g_xlPortHandle = XL_INVALID_PORTHANDLE;
xlStatus = XL_ERROR;
}
return xlStatus;
}
