6 - 4 EA3600 Network Connect Product Reference Guide
Enable Transfer and Select Transfer Mode
Barcode transfer is enabled and the desired transfer mode is selected by writing to the Control Register.
Basic Mode Transfers
Detecting New Barcode Data
New barcode data is detected by monitoring the Input Update Counter for a change.
If the Update Counter is non-zero and is not equal to the last Update Counter, new data is available.
Reading Barcode Data
The barcode data and its length are retrieved from the EA3600 using the following range of registers.
The controller is not required to read all 2048 registers of the barcode data. Only the first length/2 registers contain
valid data. All registers values after the actual barcode data are set to 0.
Handshake Mode Transfers
Detecting New Barcode Data
New barcode data is detected by monitoring the Input Update Counter for a change.
If the Update Counter is non-zero and is not equal to the last Update Counter, new data is available.
Command Start Register Register Count Data Sent to EA3600
Data Received from
EA3600
Write 1 1 0x0000 Scanning Disabled
0x0001 for Basic Mode
0x0003 for Handshake Mode
n/a
Command Start Register Register Count Data Sent to EA3600
Data Received from
EA3600
Read 201 1 n/a Current Update Counter
value
Command Start Register Register Count Data Sent to EA3600
Data Received from
EA3600
Read 207 1 n/a Barcode length
Read 208 2048 n/a Barcode data
Command Start Register Register Count Data Sent to EA3600
Data Received from
EA3600
Read 201 1 n/a Current Update Counter
value