BSWA 308 - Page 95

BSWA 308/309 BSWA Technology Co., Ltd
93
OPM?: Query Boot Mode Setting
Instruction
Parameters
Explanation
OPM
Query parameter: ?
ASCII
O
P
M
?
Hex
4FH
50H
4DH
3FH
Byte
1
1
1
1
Return
Return boot mode setting
Example: query boot mode
02 01 43 4F 50 4D 3F 03 2E 0D 0A
Return: the current boot mode is normal
02 01 41 30 03 71 0D 0A
UMDp1: Set USB Mode
Instruction
Parameters
Explanation
UMD
p1: USB Mode;
0=Always Ask;
1=U Disk Mode;
2=Modem Mode;
Default: 0
ASCII
U
M
D
0
Hex
55H
4DH
44H
30H
Byte
1
1
1
1
Return
ACK / NAK
Example: set to modem mode
02 01 43 55 4D 44 32 03 2D 0D 0A
Return: ACK
02 01 06 03 06 0D 0A
UMD?: Query USB Mode Setting
Instruction
Parameters
Explanation
UMD
Query parameter: ?
ASCII
U
M
D
?
Hex
55H
4DH
44H
3FH
Byte
1
1
1
1
Return
Return USB mode setting