User's Manual

 Advanced Card Systems Ltd. `Page 21 of 46
PERIPHERALS CONTROL
The reader’s peripherals control is implemented by Escape Command.
1. Get Firmware Version
Command = {18 00}
Response = {E1 00 00 00 “Frame Length” {Firmware Version} }
In which, Firmware Version = 20 bytes; RFU = 10 bytes
e.g. Response = E1 00 00 00 0D 41 43 52 31 32 32 32 55 5F 56 31 30 32
Firmware Version (HEX) = 41 43 52 31 32 32 32 55 5F 56 31 30 32
Firmware Version (ASCII) = “ACR1222U_V102”
2. LED Control
 Setting the LED State:
Command = {29 01 “CMD”}.
Response = {E1 00 00 00 01 “Status”}
 Reading the existing LED State:
Command = {29 00}.
Response = {E1 00 00 00 01 “Status”}
CMD Bit Map
CMD Description Description
Bit 0 RED LED 1 = ON; 0 = OFF
Bit 1 GREEN LED 1 = ON; 0 = OFF
Bit 2 RFU RFU
Bit 3 RFU RFU
Bit 4 RFU RFU
Bit 5 RFU RFU
Bit 6 RFU RFU
Bit 7 RFU RFU
The “Status” bit map is the same as “CMD”.