Identiv uTrust 4711F - Cntless_Control_Retries; Cntless_Control_Polling

Document Version 1.2
Last revised on
2017-09-26
Page 61 of 92
Reference Manual for uTrust 4701F and uTrust 4711F Readers
6.3.4.10. CNTLESS_CONTROL_RETRIES
This Escape command is used to enable/disable CRC/PROTOCOL/TIMEOUT error retries which are
enabled by default for contactless cards.
Input:
The first byte of input buffer contains the escape code.
The second byte either sets the mode or contains a code to retrieve the setting.
Input
Output
Byte0
Byte1- Description
Byte 0
Escape
code(0xA7)
0x00
Enable RNAK retries
No Output
0x01
Disable RNAK retries
No Output
0xFF
Get current state of retries
0x00 - Retries are enabled
0x01 - Retries are disabled
Output:
No response is returned for set state. For Get State 1 byte response is received.
Output buffer
NULL or current state
6.3.4.11. CNTLESS_CONTROL_POLLING
This Escape command is used to enable/disable firmware polling for contactless cards.
Input:
The first byte of input buffer contains the escape code.
The second byte either sets the mode or contains a code to retrieve the setting.
Input
Output
Byte0
Byte1 - Description
Byte 0
Escape
code(0xAC)
0x00
Enable polling
No output
0x01
Disable polling
No output
0XFF
Get current state of
polling
0x00 – Polling enabled
0x01 – Polling disabled
Output:
No response is returned for set state. For Get State 1 byte response is received.
Output buffer
NULL or current state