U2C-12 USB-I2C/SPI/GPIO Interface Adapter Users Manual

“Open Device” button

Click to choose one of the U2C-12 adapters connected to the PC. If only one U2C-12 adapter is connected, it becomes selected automatically. If several U2C-12 adapters are connected to the same PC, the “Device Open” dialog window will appear (Figure 2.5, ““Open Device” dialog window”). You can use the device serial number to open the specific adapter.

Figure 2.5. “Open Device” dialog window

If there are no connected U2C-12 adapters, the “Device not found” message (Figure 2.6, ““Device not found” message”) will be displayed.

Figure 2.6. “Device not found” message

When Control Panel application is started it opens the device. The “Open Device” button can be used by user for switching to the new adapter after it was connected.

Each of the U2C-12 adapters has the unique serial number. To view the serial number of your U2C-12 adapter you can use the “Get S/N” button. The U2C-12 adapter serial number is displayed in log field (Figure 2.7, “Information about serial number of U2C-12 adapter”).

Figure 2.7. Information about serial number of U2C-12 adapter

The “Get Version” button displays U2C-12 adapter software version in the log field. (Figure 2.8, “Information about U2C-12 adapter software and firmware version”).

Figure 2.8. Information about U2C-12 adapter software and firmware version

“Scan I2C Slave” button

The “Scan I2C Slave” button scans the I²C slave device addresses currently occupied by the I²C slave devices which are connected to the U2C-12 adapter. The I²C slave device addresses are displayed in the log field in hexadecimal format (Figure 2.9, “The I²C slave device addresses”). They are also added to “Slave address” drop list of “I2C Write” and “I2C Read” bars. U2C-12 adapter supports 7-bit addressing format.

Figure 2.9. The I²C slave device addresses