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(3) MESSAGE Definition
The following table lists all DLL function message and how to solve it.
No. Name Value
Introduction
1 HANDLE_SUCCESS
0x00
This message will happen when the function
you called was executed successfully.
2 HANDLE_ERR_TAG_PASSIVE
0x20
This message will happen when you call
“SUNLITRFID_ScanTag” in passive mode,and
device found a tag.
3 HANDLE_ERR_TAG_NOT_FOUND
0x22
This message will happen when you call
“SUNLITRFID_ScanTag” in passive mode,but
device does’t found a tag.
4 HANDLE_ERR_NO_RESPONSE
0x80
This message will happen when you call
function,but device has no response. To solve
this problem, please check hardware power or
connection.
5 HANDLE_ERR_COMPORT
0x81
This message will happen when you call
“SUNLITRFID_ScanTag” in passive mode,but
comport failed with some error. To solve this
problem, please check hardware power or
connection.
6 HANDLE_ERR_CREATE_EVENT
0x88
This message will happen when you call
“SUNLITRFID_Open” or
“SUNLITRFID_OpenII”, but DLL create event
fail. To solve this problem, please try again.
7 HANDLE_ERR_CREATE_THREAD
0x89
This message will happen when you call
“SUNLITRFID_Open” or
“SUNLITRFID_OpenII”, but DLL create thread
fail. To solve this problem, please try again.
8 HANDLE_ERR_ILLEGAL_RETURN_DATA 0x8b
This message will happen when you call
function,but device return incorrect data.
To solve this problem, please try again the
function you called.
9 HANDLE_ERR_UNSUPPORTED_FUNCTIO
N
0x8c
This message will happen when device does’t
support this function.
10 HANDLE_ERR_ILLEGAL_DATA
0xfd
This message will happen when the parameter
of function that you called was illegal. To solve
this problem, please send legal data to function.
