| Reader Communication Protocol Developer's Guide |
|
Get GPI
This command gets the status of all the GPIs of reader.
Command Attribute
| Command Code | Bootloader Command | App Firmware Command |
|---|---|---|
| 0x66 | No | Yes |
Reader to Host
Format of Data Field
| Field | Byte Length | Description |
|---|---|---|
| Status of Gpi pins | N bytes | The status of all the gpi pins of reader in numerical order. |
Example
Reader to Host
| FF | 04 | 66 | 00 00 | 00 | 01 | 00 | 01 | F3 E6 |
|---|---|---|---|---|---|---|---|---|
| Header | Data Length | Command Code | Status Code | Status of Input #1 | Status of Input #2 | Status of Input #3 | Status of Input #4 | CRC |