TSI Incorporated 8587A, Руководство по эксплуатации и обслуживанию

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Technical Information for Program Development Using USB Communications C-5
W i n d o w s R e g i s t r y S e t t i n g s
The TsiUsb Device driver and DLL make use of the Windows registry for a
few variable values.
These values are maintained within the following registry key:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\
TSIUSB\Parameters]
The values are defined as follows:
BusyWaitms This value is in milliseconds. This specifies the
number of milliseconds to wait before resending a
command to a device when a
USB_STATUS_BUSY is returned. The default
value is 5 ms.
TransferTimeout This value is in seconds. This value specifies the
number of seconds to wait for a device to
complete a command request. The default value
is 2 seconds.
C o n n e c t i n g t o t h e A t t a c h e d D e v i c e
ListDevices
Use the ListDevices() method to determine the number of available devices
attached.
UINT
ListDevices (LPCTSTR m_tsiUsbDevlist[]);
Parameter Description Type
m_tsiUsbDevlist An array of the symbolic Link Name of each
connected available attached device. LPCTSTR array
Return value:
The unsigned integer returned is the number of available attached
devices.
Example Code:
int nDevices = 0;
const char *deviceList[256];
nDevices = ListDevices(deviceList);