void DwListDevices(void) {
if (PortCount <= 0) {
Fail("No devices available.");
} else {
int i;
for (i=0; i<PortCount; i++) {
if (Ports[i]->baud >= 0) {ConnectPort(i, 0);}
}
for (i=0; i<PortCount; i++) {
if (Ports[i]->baud > 0) {DescribePort(i);}
}
}
CurrentPort = -1;
}
void DwFindPort(char kind, int index, int baud) {
int i = 0;
//Ws("Debug. DwFindPort("); Wc(kind); Ws(", "); Wd(index,1); Ws(", "); Wd(baud,1); Wsl(")");
while (i<PortCount) {
if (Ports[i]->kind) {
if ( ((kind == 0) || (kind == Ports[i]->kind))
&& ((index == -1) || (index == Ports[i]->index))) {
ConnectPort(i, baud);
if (Ports[i]->baud > 0) break;
}
}
i++;
}
if (i < PortCount && Ports[i]->baud > 0) {
CurrentPort = i;
ResetDumpStates();
DwReconnect();
} else {
CurrentPort = -1;
}
}
VOID
TryConnectPort(char *port_name)
{
DWORD Status = 0;
HANDLE Port = 0;
int i;
UNICODE_STRING PortName;
OBJECT_ATTRIBUTES ObjectAttributes;
WORD Name [BUF_SIZE] = {0};
int dwx = 0;
char * port_name_save = port_name;
/*
* Convert the port's name to Unicode.
*/
for (
PortName.Length = 0;
( *port_name
&& (PortName.Length < BUF_SIZE)
);
)
{
Name[PortName.Length++] = (WORD) *port_name++;
}
Name[PortName.Length] = 0;
PortName.Length = PortName.Length * sizeof (WORD);
PortName.MaximumLength = PortName.Length + sizeof (WORD);
PortName.Buffer = (PWSTR) Name;
/*
* Prepare the port object attributes.
*/
ObjectAttributes.Length =
sizeof (OBJECT_ATTRIBUTES);
ObjectAttributes.RootDirectory =
NULL;
ObjectAttributes.ObjectName =
NULL /*& PortName */;
ObjectAttributes.Attributes =
OBJ_CASE_INSENSITIVE;
ObjectAttributes.SecurityDescriptor =
NULL;
ObjectAttributes.SecurityQualityOfService =
NULL;
/*
* Try to issue a connection request.
*/
Port = 0;
Status = ConnectPort(
& Port, /* & PortHandle */
& PortName, /* & PortName */
& ObjectAttributes, /* & PortAttributes */
NULL, /* & SecurityQos */
NULL, /* & SectionInfo */
NULL, /* & MapInfo */
NULL, /* & MaxMessageSize */
LPC_CONNECT_FLAG5 /* & ConnectInfoLength */
);
if (Status == STATUS_SUCCESS)
{
DumpInfo(
Name,
Status,
"connected",
Port
);
/* Hot waiting */
for (dwx=0; dwx<MAXARG; ++dwx)
{
YieldExecution();
}
if (FALSE == CloseHandle(Port))
{
printf(
"Could not close the port handle %08X.\n",
Port
);
}
return;
}
printf(
"Connection to port \"%s\" failed (Status = %08X).\n",
port_name_save,
Status
);
}