static int EthernetIoctl(const int opcode, void *args)
{
#ifdef DEBUG
printf( "EthernetIoctl: op %d arg %x\n", opcode, args );
#endif
/*
* IGNORE(opcode)
*/
if (0)
{
int dummy = opcode;
UNUSED(dummy);
}
UNUSED(args);
switch ( opcode )
{
case DC_RESYNC:
{
#ifdef DEBUG
printf( "EthernetIoctl: resync\n" );
#endif
fetch_ports();
return 0;
}
default:
{
return -1;
}
}
}
void init_camera(void)
{
fprintf(stderr, "initializing camera\n");
create_component(CAMERA, &(g_data.camera), "camera");
fetch_ports(g_data.camera);
configure_camera(g_data.camera);
set_preview_port(g_data.camera_preview_port);
set_video_port(g_data.camera_video_port);
create_pool_on_port(
&(g_data.camera_video_port_pool),
g_data.camera_video_port,
video_buffer_callback,
"video");
enable_component(g_data.camera, "camera");
}
/*
* Function: Ethernet_Open
* Purpose: Open the Ethernet device. See the documentation for
* DeviceOpen in drivers.h
*
* Post-conditions: Will have updated struct sockaddr_in remote (*ia)
* with the address of the remote target.
*/
static int EthernetOpen(const char *name, const char *arg)
{
#ifdef COMPILING_ON_WINDOWS
WORD wVersionRequested;
WSADATA wsaData;
#endif
/*
* name is passed as e=<blah>, so skip 1st two characters
*/
const char *etheraddr = name + 2;
#ifdef DEBUG
printf("EthernetOpen: name `%s'\n", name);
#endif
/* Check that the name is a valid one */
if (EthernetMatch(name, arg) != 0)
return -1;
#ifdef COMPILING_ON_WINDOWS
wVersionRequested = MAKEWORD(1, 1);
if (WSAStartup(wVersionRequested, &wsaData) != 0)
/*
* Couldn't find a useable winsock.dll.
*/
return -1;
if ( LOBYTE( wsaData.wVersion ) != 1 || HIBYTE( wsaData.wVersion ) != 1 )
{
WSACleanup();
/*
* Couldn't find a winsock.dll with supported version.
*/
return -1;
}
#endif
memset((char *)ia, 0, sizeof(*ia));
if (set_address(etheraddr, ia) < 0)
{
#ifdef COMPILING_ON_WINDOWS
/*
* SJ - I'm not sure that this is the correct way to handle this
* as Fail calls remote_disable and exits, while panic just exits.
* However at the time of writing remote_disable does nothing!
*/
/* Panic("EthernetOpen: bad name `%s'\n", etheraddr); */
#else
Fail("EthernetOpen: bad name `%s'\n", etheraddr);
#endif
return -1;
}
if ((sock = open_socket()) < 0)
return -1;
/*
* fetch the port numbers assigned by the remote target
* to its Debug and Application sockets
*/
fetch_ports();
return 0;
}
