Identiv uTrust 4711F - Reader_Led_Control

Document Version 1.2
Last revised on
2017-09-26
Page 50 of 92
Reference Manual for uTrust 4701F and uTrust 4711F Readers
6.3.3.4. READER_LED_CONTROL
This Escape command is used to toggle the LED state. LED control by firmware should be disabled
using the escape command READER_LED_CONTROL_BY_FW to see proper LED change when using this
IOCTL.
Input:
The first byte of the input buffer contains the escape code, followed by LED number (if more than one
LED is present, else set to 0) and then desired LED state. This will be required for production purpose.
Byte0
Byte 1
Byte2
Escape code(0x19)
LED number (0-RED,1-GREEN)
LED state (0-OFF, 1-ON)
Output:
Output buffer
NULL