SCR331-DI Product Technical Manual
5.10 READER_CNTLESS_RAW_XMIT
Based on the Raw Transmit configurations set in the READER_CNTLESS_RAW_CFG escape
command, and the parameters in this escape IOCTL, the command is executed, and the output buffer
contains the response of the command
The input buffer values are as given below
S.No. Types
Offset Remarks
1 Escape
Function
value
0
Escape Function value
2 Wait
Time
Extension
1
Wait Time Extension
3
Is CRC
specified
2
Byte = 1 if specified else byte = 0
4 Command
length
(Higher
Byte)
3
User specified higher byte of
Command length
5 Command
length(Lower
Byte)
4
User specified lower byte of CRC
Command length
6 Command
From
this
offset
command
is
appended
Based on the Raw Transmit configurations set in the READER_CNTLESS_RAW_CFG escape
command, and the parameters in this escape IOCTL, the command is executed, and the output buffer
contains the response of the command
5.11 READER_ CNTLESS_DISABLE_PPS
As indicated earlier the FW switches automatically (AUTO_PPS) the communication speed with card
to highest possible, which is inferred from the card details. This escape message is used to disable
Auto-PPS for contact-less cards. It controls a boolean bit which enables/disables Auto-PPS.
The input buffer values are as given below
S.No. Types
Offset
Remarks
1
Escape Function value
0
Escape Function value
2
Disable/Enable PPS
1
1->To Disable Auto-PPS
0->To Enable Auto-PPS
5.12
READER_CNTLESS_PUPI
This escape message ID can be used to enable/disable PUPI bytes in the ATR and to get the current
state i.e. whether PUPI bytes are enabled / disabled in the ATR. Applications may call this function, to
enable/disable the PUPI bytes in the ATR. The first byte of the input buffer shall contain the escape
function value. If the application needs to enable the PUPI bytes, the second byte contains the value
for enabling (0x01) or disabling (0x00). If the application needs to get the current state of the PUPI
IND.SCR331-DI.MANUAL.VER.1.8
VER1.8
Page 30 of 36